Annotation-System/cinera/cinera.c

#if 0
ctime -begin ${0%.*}.ctm
gcc -g -fsanitize=address -Wall -std=c99 -pipe $0 -o ${0%.*} hmml.a -lcurl
#gcc -Wall -std=c99 -pipe $0 -o ${0%.*} hmml.a -lcurl
ctime -end ${0%.*}.ctm
exit
#endif

typedef struct
{
    unsigned int Major, Minor, Patch;
} version;

version CINERA_APP_VERSION = {
    .Major = 0,
    .Minor = 5,
    .Patch = 0
};

#define CINERA_DB_VERSION 1

#define DEBUG 0
#define DEBUG_MEM 0

typedef unsigned int bool;

#define TRUE 1
#define FALSE 0

#include <stdarg.h> // NOTE(matt): varargs
#include <stdio.h>  // NOTE(matt): printf, sprintf, vsprintf, fprintf, perror
#include <stdlib.h> // NOTE(matt): calloc, malloc, free
#include "hmmlib.h"
#include <getopt.h> // NOTE(matt): getopts
//#include "config.h" // TODO(matt): Implement config.h
#include <curl/curl.h>
#include <time.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#include <string.h> // NOTE(matt): strerror
#include <errno.h> //NOTE(matt): errno
#include <sys/inotify.h> // NOTE(matt): inotify
#include <unistd.h> // NOTE(matt): sleep()

#define Kilobytes(Bytes) Bytes << 10
#define Megabytes(Bytes) Bytes << 20

enum
{
    EDITION_SINGLE,
    EDITION_PROJECT,
    EDITION_NETWORK
} editions;

enum
{
    // NOTE(matt): https://tools.ietf.org/html/rfc5424#section-6.2.1
    LOG_EMERGENCY,
    LOG_ALERT,
    LOG_CRITICAL,
    LOG_ERROR,
    LOG_WARNING,
    LOG_NOTICE,
    LOG_INFORMATIONAL,
    LOG_DEBUG
} log_levels;

enum
{
    MODE_BARE,
    MODE_INTEGRATE
} modes;

enum
{
    RC_ARENA_FULL,
    RC_ERROR_DIRECTORY,
    RC_ERROR_FATAL,
    RC_ERROR_FILE,
    RC_ERROR_HMML,
    RC_ERROR_MAX_REFS,
    RC_ERROR_MEMORY,
    RC_ERROR_PROJECT,
    RC_ERROR_QUOTE,
    RC_ERROR_SEEK,
    RC_FOUND,
    RC_UNFOUND,
    RC_INVALID_REFERENCE,
    RC_INVALID_TEMPLATE,
    RC_NOOP,
    RC_RIP,
    RC_SUCCESS
} returns;

typedef struct
{
    int   Edition;
    int   LogLevel;
    int   Mode;
    int   UpdateInterval;
    bool  ForceIntegration;
    char *RootDir; // Absolute
    char *RootURL;
    char *ProjectID;
    char *BaseDir; // Absolute
    char *CSSDir; // Relative to RootDir and RootURL
    char *ImagesDir; // Relative to RootDir and RootURL
    char *JSDir; // Relative to RootDir and RootURL
    char *TemplateIndexLocation; // Relative to RootDir and RootURL
    char *TemplatePlayerLocation; // Relative to RootDir and RootURL
    char  CacheDir[256];
    char *DefaultMedium;
    char *OutLocation;
    char *OutIntegratedLocation;
    char *ProjectDir;
} config;

typedef struct
{
    void *Location;
    void *Ptr;
    char *ID;
    int  Size;
} arena;

// NOTE(matt): Globals
config Config;
arena MemoryArena;

typedef struct
{
    char *Location;
    char *Ptr;
    char *ID;
    int  Size;
} buffer;

typedef struct
{
    buffer Buffer;
    FILE  *Handle;
    char   Path[256];
    int    FileSize;
} file_buffer;

enum
{
    // Contents Page
    TAG_INDEX,

    // Player Page
    TAG_INCLUDES,
    TAG_MENUS,
    TAG_PLAYER,
    TAG_SCRIPT,

    // Anywhere
    TAG_TITLE
} template_tags;

typedef struct
{
    int Code; // template_tags
    char *Tag;
} tag;

tag Tags[] = {
    { TAG_INDEX,    "__CINERA_INDEX__" },
    { TAG_INCLUDES, "__CINERA_INCLUDES__" },
    { TAG_MENUS,    "__CINERA_MENUS__" },
    { TAG_PLAYER,   "__CINERA_PLAYER__" },
    { TAG_SCRIPT,   "__CINERA_SCRIPT__" },
    { TAG_TITLE,    "__CINERA_TITLE__" },
};

typedef struct
{
    int Offset;
    int TagCode;
} tag_offset;

typedef struct
{
    char Filename[256];
    tag_offset Tag[16];
    int Validity; // NOTE(matt): Bitmask describing which page the template is valid for, i.e. contents and / or player page
    int TagCount;
} template_metadata;

typedef struct
{
    template_metadata Metadata;
    buffer Buffer;
} template;

typedef struct
{
    buffer IncludesIndex;
    buffer Search;
    buffer Index;
    buffer ScriptIndex;
    buffer IncludesPlayer;
    buffer Menus;
    buffer Player;
    buffer ScriptPlayer;
    char Title[256];
} buffers;

// TODO(matt): Consider putting the ref_info and quote_info into linked lists on the heap, just to avoid all the hardcoded sizes

typedef struct
{
    char Date[32];
    char Text[512];
} quote_info;

typedef struct
{
    char Timecode[8];
    int Identifier;
} identifier;

#define REF_MAX_IDENTIFIER 64

typedef struct
{
    char RefTitle[620];
    char ID[512];
    char URL[512];
    char Source[256];
    identifier Identifier[REF_MAX_IDENTIFIER];
    int IdentifierCount;
} ref_info;

typedef struct
{
    char Marker[32];
    char WrittenText[32];
} category_info;

typedef struct
{
    category_info Category[64];
    int Count;
} categories;

// TODO(matt): Parse this stuff out of a config file
typedef struct
{
    char *Username;
    char *CreditedName;
    char *HomepageURL;
    char *SupportIcon;
    char *SupportURL;
} credential_info;

credential_info Credentials[] =
{
    { "Miblo", "Matt Mascarenhas", "http://miblodelcarpio.co.uk", "cinera_sprite_patreon.png", "https://patreon.com/miblo"},
    { "miotatsu", "Mio Iwakura", "http://riscy.tv/", "cinera_sprite_patreon.png", "https://patreon.com/miotatsu"},
    { "nothings", "Sean Barrett", "https://nothings.org/", "", ""},
    { "cmuratori", "Casey Muratori", "https://handmadehero.org", "cinera_sprite_patreon.png", "https://patreon.com/cmuratori"},
    { "fierydrake", "Mike Tunnicliffe", "", "", ""},
    { "abnercoimbre", "Abner Coimbre", "https://handmade.network/m/abnercoimbre", "cinera_sprite_patreon.png", "https://patreon.com/handmade_dev"},
    { "/y_lee", "Yunsup Lee", "https://www.linkedin.com/in/yunsup-lee-385b692b/", "", ""},
    { "/a_waterman", "Andrew Waterman", "https://www.linkedin.com/in/andrew-waterman-76805788", "", ""},
    { "debiatan", "Miguel Lechón", "http://blog.debiatan.net/", "", ""},
};

typedef struct
{
    char *Medium;
    char *Icon;
    char *WrittenName;
} category_medium;

category_medium CategoryMedium[] =
{
    // medium        icon         written name
    { "afk",         "&#8230;"  , "Away from Keyboard"}, // TODO(matt): Filter this out by default
    { "authored",    "&#128490;", "Chat Comment"}, // TODO(matt): Conditionally handle Chat vs Guest Comments
    { "blackboard",  "&#128396;", "Blackboard"},
    { "experience",  "&#127863;", "Experience"},
    { "owl",         "&#129417;", "Owl of Shame"},
    { "programming", "&#128430;", "Programming"}, // TODO(matt): Potentially make this configurable per project
    { "rant",        "&#128162;", "Rant"},
    { "research",    "&#128214;", "Research"},
    { "run",         "&#127939;", "In-Game"}, // TODO(matt): Potentially make this configurable per project
    { "speech",      "&#128489;", "Speech"},
    { "trivia",      "&#127922;", "Trivia"},
};

enum
{
    NS_CALENDRICAL,
    NS_LINEAR,
    NS_SEASONAL,
} numbering_schemes;

typedef struct
{
    char *ProjectID;
    char *FullName;
    char *Unit; // e.g. Day, Episode, Session
    int NumberingScheme;
} project_info;

project_info ProjectInfo[] =
{
    { "hero", "Handmade Hero", "Day", NS_LINEAR },
    { "hmdshow", "HandmadeDev Show", "", NS_SEASONAL },
    { "obbg", "Open Block Building Game", "Episode", NS_LINEAR },
    { "riscy", "RISCY BUSINESS", "Day", NS_LINEAR },
    { "sysadmin", "SysAdmin", "Session", NS_LINEAR },
};

#define ArrayCount(A) sizeof(A)/sizeof(*(A))

__attribute__ ((format (printf, 2, 3)))
int
CopyString(char Dest[], char *Format, ...)
{
    int Length = 0;
    va_list Args;
    va_start(Args, Format);
    Length = vsprintf(Dest, Format, Args);
    va_end(Args);
    return Length;
}

int
StringLength(char *String)
{
    int i = 0;
    while(String[i])
    {
        ++i;
    }
    return i;
}

void
CopyBuffer(buffer *Dest, buffer *Src)
{
    Src->Ptr = Src->Location;
    while(*Src->Ptr)
    {
        // TODO(matt)
        {
            if(Dest->Ptr - Dest->Location >= Dest->Size)
            {
                fprintf(stderr, "CopyBuffer: %s cannot accommodate %s\n", Dest->ID, Src->ID);
                __asm__("int3");
            }
        }
        *Dest->Ptr++ = *Src->Ptr++;
    }
    *Dest->Ptr = '\0';
}

int
CopyStringNoFormat(char *Dest, char *String)
{
    int Length = 0;
    while(*String)
    {
        *Dest++ = *String++;
        ++Length;
    }
    *Dest = '\0';
    return Length;
}

// TODO(matt): Maybe do a version of this that takes a string as a Terminator
int
CopyStringNoFormatT(char *Dest, char *String, char Terminator)
{
    int Length = 0;
    while(*String != Terminator)
    {
        *Dest++ = *String++;
        ++Length;
    }
    *Dest = '\0';
    return Length;
}

__attribute__ ((format (printf, 2, 3)))
void
CopyStringToBuffer(buffer *Dest, char *Format, ...)
{
    va_list Args;
    va_start(Args, Format);
    int Length = vsnprintf(Dest->Ptr, Dest->Size - (Dest->Ptr - Dest->Location), Format, Args);
    va_end(Args);
    // TODO(matt)
    {
        if(Length + (Dest->Ptr - Dest->Location) >= Dest->Size)
        {
            fprintf(stderr, "CopyStringToBuffer: %s cannot accommodate %d-character string:\n"
                    "\n"
                    "%s\n", Dest->ID, Length, Format);
            __asm__("int3");
        }
    }
    Dest->Ptr += Length;
}

void
CopyStringToBufferHTMLSafe(buffer *Dest, char *String)
{
    while(*String)
    {
        if(Dest->Ptr - Dest->Location >= Dest->Size)
        {
            fprintf(stderr, "CopyStringToBufferHTMLSafe: %s cannot accommodate %d-character string\n", Dest->ID, StringLength(String));
            __asm__("int3");
        }
        switch(*String)
        {
            case '<':
            CopyStringToBuffer(Dest, "&lt;");
            String++;
            break;
            case '>':
            CopyStringToBuffer(Dest, "&gt;");
            String++;
            break;
            case '&':
            CopyStringToBuffer(Dest, "&amp;");
            String++;
            break;
            case '\"':
            CopyStringToBuffer(Dest, "&quot;");
            String++;
            break;
            case '\'':
            CopyStringToBuffer(Dest, "&#39;");
            String++;
            break;
            default:
            *Dest->Ptr++ = *String++;
            break;
        }
    }
}

void
CopyStringToBufferJSONSafe(buffer *Dest, char *String)
{
    while(*String)
    {
        if(Dest->Ptr - Dest->Location >= Dest->Size)
        {
            fprintf(stderr, "CopyStringToBufferHTMLSafe: %s cannot accommodate %d-character string\n", Dest->ID, StringLength(String));
            __asm__("int3");
        }
        switch(*String)
        {
            case '\\':
            case '\"':
                *Dest->Ptr++ = '\\';
            default:
                *Dest->Ptr++ = *String++;
                break;
        }
    }
}

int
StringsDiffer(char *A, char *B) // NOTE(matt): Two null-terminated strings
{
    while(*A && *B && *A == *B)
    {
        ++A, ++B;
    }
    return *A - *B;
}

bool
StringsDifferT(char *A, // NOTE(matt): Null-terminated string
               char *B, // NOTE(matt): Not null-terminated string (e.g. one mid-buffer)
               char Terminator // NOTE(matt): Caller definable terminator. Pass 0 to only match on the extent of A
               )
{
    int ALength = StringLength(A);
    int i = 0;
    while(i < ALength && A[i] && A[i] == B[i])
    {
        ++i;
    }
    if((!Terminator && !A[i] && ALength == i) ||
       (!A[i] && ALength == i && (B[i] == Terminator)))
    {
        return FALSE;
    }
    else
    {
        return TRUE;
    }
}

int
MakeDir(char *Path)
{
    // TODO(matt): Correctly check for permissions
    int i = StringLength(Path);
    int Ancestors = 0;
    while(mkdir(Path, 00755) == -1)
    {
        if(errno == EACCES)
        {
            return RC_ERROR_DIRECTORY;
        }
        while(Path[i] != '/' && i > 0)
        {
            --i;
        }
        ++Ancestors;
        Path[i] = '\0';
        if(i == 0) { return RC_ERROR_DIRECTORY; }
    }
    while(Ancestors > 0)
    {
        while(Path[i] != '\0')
        {
            ++i;
        }
        Path[i] = '/';
        --Ancestors;
        if((mkdir(Path, 00755)) == -1)
        {
            return RC_ERROR_DIRECTORY;
        }
    }
    return RC_SUCCESS;
}

void
LogUsage(buffer *Buffer)
{
#if DEBUG
    char LogPath[256];
    CopyString(LogPath, "%s/%s", Config.CacheDir, "buffers.log");
    FILE *LogFile;
    if(!(LogFile = fopen(LogPath, "a+")))
    {
        MakeDir(CacheDir);
        if(!(LogFile = fopen(LogPath, "a+")))
        {
            perror("LogUsage");
            return;
        }
    }

    fprintf(LogFile, "%s,%ld,%d\n",
            Buffer->ID,
            Buffer->Ptr - Buffer->Location,
            Buffer->Size);
    fclose(LogFile);
#endif
}

__attribute__ ((format (printf, 2, 3)))
void
LogError(int LogLevel, char *Format, ...)
{
    if(Config.LogLevel >= LogLevel)
    {
        char LogPath[256];
        CopyString(LogPath, "%s/%s", Config.CacheDir, "errors.log");
        FILE *LogFile;
        if(!(LogFile = fopen(LogPath, "a+")))
        {
            MakeDir(Config.CacheDir);
            if(!(LogFile = fopen(LogPath, "a+")))
            {
                perror("LogUsage");
                return;
            }
        }

        va_list Args;
        va_start(Args, Format);
        vfprintf(LogFile, Format, Args);
        va_end(Args);
        // TODO(matt): Include the LogLevel "string" and the current wall time
        fprintf(LogFile, "\n");
        fclose(LogFile);
    }
}

void
FreeBuffer(buffer *Buffer)
{
    free(Buffer->Location);
    Buffer->Location = '\0';
#if DEBUG_MEM
    FILE *MemLog = fopen("/home/matt/cinera_mem", "a+");
    fprintf(MemLog, "     Freed %s\n", Buffer->ID);
    fclose(MemLog);
    printf("     Freed %s\n", Buffer->ID);
#endif
}

#if 0
#define ClaimBuffer(MemoryArena, Buffer, ID, Size) if(__ClaimBuffer(MemoryArena, Buffer, ID, Size))\
{\
    fprintf(stderr, "%s:%d: MemoryArena cannot contain %s of size %d\n", __FILE__, __LINE__, ID, Size);\
    hmml_free(&HMML);\
    FreeBuffer(MemoryArena);\
    return 1;\
};
#endif

int
ClaimBuffer(buffer *Buffer, char *ID, int Size)
{
    if(MemoryArena.Ptr - MemoryArena.Location + Size > MemoryArena.Size)
    {
        return RC_ARENA_FULL;
    }
    Buffer->Location = (char *)MemoryArena.Ptr;
    Buffer->Size = Size;
    Buffer->ID = ID;
    MemoryArena.Ptr += Buffer->Size;
    *Buffer->Location = '\0';
    Buffer->Ptr = Buffer->Location;
#if DEBUG
    float PercentageUsed = (float)(MemoryArena->Ptr - MemoryArena->Location) / MemoryArena->Size * 100;
    printf("  ClaimBuffer(%s): %d\n"
           "    Total ClaimedMemory: %ld (%.2f%%, leaving %ld free)\n\n", Buffer->ID, Buffer->Size, MemoryArena->Ptr - MemoryArena->Location, PercentageUsed, MemoryArena->Size - (MemoryArena->Ptr - MemoryArena->Location));
#endif
    return RC_SUCCESS;
}

void
DeclaimBuffer(buffer *Buffer)
{
    *Buffer->Location = '\0';
    MemoryArena.Ptr -= Buffer->Size;
    float PercentageUsed = (float)(Buffer->Ptr - Buffer->Location) / Buffer->Size * 100;
#if DEBUG
    printf("DeclaimBuffer(%s)\n"
           "    Used: %ld / %d (%.2f%%)\n"
           "\n"
           "    Total ClaimedMemory: %ld\n\n",
           Buffer->ID,
           Buffer->Ptr - Buffer->Location,
           Buffer->Size,
           PercentageUsed,
           MemoryArena.Ptr - MemoryArena.Location);
#endif
    LogUsage(Buffer);
    if(PercentageUsed >= 80.0f)
    {
        // TODO(matt): Implement either dynamically growing buffers, or phoning home to matt@handmadedev.org
        LogError(LOG_ERROR, "%s used %.2f%% of its allotted memory\n", Buffer->ID, PercentageUsed);
        fprintf(stderr, "Warning: %s used %.2f%% of its allotted memory\n", Buffer->ID, PercentageUsed);
    }
    Buffer->Size = 0;
}

void RewindBuffer(buffer *Buffer)
{
#if DEBUG
    float PercentageUsed = (float)(Buffer->Ptr - Buffer->Location) / Buffer->Size * 100;
    printf("Rewinding %s\n"
                    "    Used: %ld / %d (%.2f%%)\n\n",
                    Buffer->ID,
                    Buffer->Ptr - Buffer->Location,
                    Buffer->Size,
                    PercentageUsed);
#endif
    Buffer->Ptr = Buffer->Location;
}

int
ClaimTemplate(template **Template, char *Location)
{
    *Template = (template *)MemoryArena.Ptr;
    (*Template)->Buffer.Location = MemoryArena.Ptr + sizeof(template);
    (*Template)->Buffer.Ptr = (*Template)->Buffer.Location;
    (*Template)->Buffer.ID = Location;
    CopyString((*Template)->Metadata.Filename, "%s/%s", Config.RootDir, Location);

    FILE *File;
    if(!(File = fopen((*Template)->Metadata.Filename, "r")))
    {
        LogError(LOG_ERROR, "Unable to open template %s: %s", (*Template)->Metadata.Filename, strerror(errno));
        fprintf(stderr, "Unable to open template %s: %s\n", (*Template)->Metadata.Filename, strerror(errno));
        return RC_ERROR_FILE;
    }
    fseek(File, 0, SEEK_END);
    (*Template)->Buffer.Size = ftell(File);
    if(MemoryArena.Ptr - MemoryArena.Location + sizeof(template) + (*Template)->Buffer.Size > MemoryArena.Size)
    {
        return RC_ARENA_FULL;
    }

    MemoryArena.Ptr += sizeof(template) + (*Template)->Buffer.Size;

    fseek(File, 0, SEEK_SET);
    fread((*Template)->Buffer.Location, (*Template)->Buffer.Size, 1, File);
    fclose(File);

#if DEBUG
    printf("  ClaimTemplate(%s): %ld\n"
           "    Total ClaimedMemory: %ld\n\n", (*Template)->Metadata.Filename, sizeof(template) + (*Template)->Buffer.Size, MemoryArena->Ptr - MemoryArena->Location);
#endif
    return RC_SUCCESS;
}

int
DeclaimTemplate(template *Template)
{
    MemoryArena.Ptr -= (sizeof(template) + (*Template).Buffer.Size);
#if DEBUG
    printf("DeclaimTemplate(%s)\n"
           "    Total ClaimedMemory: %ld\n\n",
           (*Template).Metadata.Filename,
           MemoryArena.Ptr - MemoryArena.Location);
#endif
    return RC_SUCCESS;
}

int
TimecodeToSeconds(char *Timecode)
{
    int HMS[3] = { 0, 0, 0 }; // 0 == Seconds; 1 == Minutes; 2 == Hours
    int Colons = 0;
    while(*Timecode)
    {
        //if((*Timecode < '0' || *Timecode > '9') && *Timecode != ':') { return FALSE; }

        if(*Timecode == ':')
        {
            ++Colons;
            //if(Colons > 2) { return FALSE; }
            for(int i = 0; i < Colons; ++i)
            {
                HMS[Colons - i] = HMS[Colons - (i + 1)];
            }
            HMS[0] = 0;
        }
        else
        {
            HMS[0] = HMS[0] * 10 + *Timecode - '0';
        }

        ++Timecode;
    }

    //if(HMS[0] > 59 || HMS[1] > 59 || Timecode[-1] == ':') { return FALSE; }

    return HMS[2] * 60 * 60 + HMS[1] * 60 + HMS[0];
}

typedef struct
{
    unsigned int Hue:16;
    unsigned int Saturation:8;
    unsigned int Lightness:8;
} hsl_colour;

hsl_colour
CharToColour(char Char)
{
    hsl_colour Colour;
    if(Char >= 'a' && Char <= 'z')
    {
        Colour.Hue = (((float)Char - 'a') / ('z' - 'a') * 360);
        Colour.Saturation = (((float)Char - 'a') / ('z' - 'a') * 26 + 74);
    }
    else if(Char >= 'A' && Char <= 'Z')
    {
        Colour.Hue = (((float)Char - 'A') / ('Z' - 'A') * 360);
        Colour.Saturation = (((float)Char - 'A') / ('Z' - 'A') * 26 + 74);
    }
    else if(Char >= '0' && Char <= '9')
    {
        Colour.Hue = (((float)Char - '0') / ('9' - '0') * 360);
        Colour.Saturation = (((float)Char - '0') / ('9' - '0') * 26 + 74);
    }
    else
    {
        Colour.Hue = 180;
        Colour.Saturation = 50;
    }

    return Colour;
}

hsl_colour *
StringToColourHash(hsl_colour *Colour, char *String)
{
    Colour->Hue = 0;
    Colour->Saturation = 0;
    Colour->Lightness = 74;

    int i;
    for(i = 0; String[i]; ++i)
    {
        Colour->Hue += CharToColour(String[i]).Hue;
        Colour->Saturation += CharToColour(String[i]).Saturation;
    }

    Colour->Hue = Colour->Hue % 360;
    Colour->Saturation = Colour->Saturation % 26 + 74;
    return(Colour);
}

char *
SanitisePunctuation(char *String)
{
    char *Ptr = String;
    while(*Ptr)
    {
        if(*Ptr == ' ')
        {
            *Ptr = '_';
        }
        if((*Ptr < '0' || *Ptr > '9') &&
           (*Ptr < 'a' || *Ptr > 'z') &&
           (*Ptr < 'A' || *Ptr > 'Z'))
        {
            *Ptr = '-';
        }
        ++Ptr;
    }
    return String;
}

enum
{
    CreditsError_NoHost,
    CreditsError_NoAnnotator,
    CreditsError_NoCredentials
} credits_errors;

int
SearchCredentials(buffer *CreditsMenu, bool *HasCreditsMenu, char *Person, char *Role)
{
    bool Found = FALSE;
    for(int CredentialIndex = 0; CredentialIndex < ArrayCount(Credentials); ++CredentialIndex)
    {
        if(!StringsDiffer(Person, Credentials[CredentialIndex].Username))
        {
            Found = TRUE;
            if(*HasCreditsMenu == FALSE)
            {
                CopyStringToBuffer(CreditsMenu,
                        "            <div class=\"menu credits\">\n"
                        "                <div class=\"mouse_catcher\"></div>\n"
                        "                <span>Credits</span>\n"
                        "                <div class=\"credits_container\">\n");

                *HasCreditsMenu = TRUE;
            }

            CopyStringToBuffer(CreditsMenu,
                    "                    <span class=\"credit\">\n");
            if(*Credentials[CredentialIndex].HomepageURL)
            {
                CopyStringToBuffer(CreditsMenu,
                        "                        <a class=\"person\" href=\"%s\" target=\"_blank\">\n"
                        "                            <div class=\"role\">%s</div>\n"
                        "                            <div class=\"name\">%s</div>\n"
                        "                        </a>\n",
                        Credentials[CredentialIndex].HomepageURL,
                        Role,
                        Credentials[CredentialIndex].CreditedName);
            }
            else
            {
                CopyStringToBuffer(CreditsMenu,
                        "                        <div class=\"person\">\n"
                        "                            <div class=\"role\">%s</div>\n"
                        "                            <div class=\"name\">%s</div>\n"
                        "                        </div>\n",
                        Role,
                        Credentials[CredentialIndex].CreditedName);
            }

            if(*Credentials[CredentialIndex].SupportIcon && *Credentials[CredentialIndex].SupportURL)
            {
                char URLPrefix[1024] = { 0 };
                char *Ptr = URLPrefix;
                if(StringsDiffer(Config.RootURL, ""))
                {
                    Ptr += CopyString(Ptr, "%s/", Config.RootURL);
                }
                else
                {
                    if(Config.Edition == EDITION_PROJECT)
                    {
                        Ptr += CopyString(Ptr, "../");
                    }
                }
                if(StringsDiffer(Config.ImagesDir, ""))
                {
                    Ptr += CopyString(Ptr, "%s/", Config.ImagesDir);
                }

                if(Config.Edition == EDITION_PROJECT)
                {
                    if(!StringsDiffer(Config.RootURL, ""))
                    {
                        char Temp[1027];
                        CopyString(Temp, "../%s", URLPrefix);
                        CopyString(URLPrefix, Temp);
                    }
                }
                CopyStringToBuffer(CreditsMenu,
                        "                        <a class=\"support\" href=\"%s\" target=\"_blank\"><div class=\"support_icon\" style=\"background-image: url(%s%s);\"></div></a>\n",
                        Credentials[CredentialIndex].SupportURL,
                        URLPrefix,
                        Credentials[CredentialIndex].SupportIcon);
            }

            CopyStringToBuffer(CreditsMenu,
                    "                    </span>\n");
        }
    }
    return Found ? 0 : CreditsError_NoCredentials;
}

int
BuildCredits(buffer *CreditsMenu, bool *HasCreditsMenu, HMML_VideoMetaData *Metadata)
// TODO(matt): Make this take the Credentials, once we are parsing them from a config
{
    if(Metadata->member)
    {
        if(SearchCredentials(CreditsMenu, HasCreditsMenu, Metadata->member, "Host"))
        {
            printf("No credentials for %s. Please contact matt@handmadedev.org with their:\n"
                    "    Full name\n"
                    "    Homepage URL (optional)\n"
                    "    Financial support info, e.g. Patreon URL (optional)\n", Metadata->member);
        }
    }
    else
    {
        if(*HasCreditsMenu == TRUE)
        {
            CopyStringToBuffer(CreditsMenu,
                    "                </div>\n"
                    "            </div>\n");
        }
        return CreditsError_NoHost;
    }

    if(Metadata->co_host_count > 0)
    {
        for(int i = 0; i < Metadata->co_host_count; ++i)
        {
            if(SearchCredentials(CreditsMenu, HasCreditsMenu, Metadata->co_hosts[i], "Co-host"))
            {
                printf("No credentials for %s. Please contact matt@handmadedev.org with their:\n"
                        "    Full name\n"
                        "    Homepage URL (optional)\n"
                        "    Financial support info, e.g. Patreon URL (optional)\n", Metadata->co_hosts[i]);
            }
        }
    }

    if(Metadata->guest_count > 0)
    {
        for(int i = 0; i < Metadata->guest_count; ++i)
        {
            if(SearchCredentials(CreditsMenu, HasCreditsMenu, Metadata->guests[i], "Guest"))
            {
                printf("No credentials for %s. Please contact matt@handmadedev.org with their:\n"
                        "    Full name\n"
                        "    Homepage URL (optional)\n"
                        "    Financial support info, e.g. Patreon URL (optional)\n", Metadata->guests[i]);
            }
        }
    }

    if(Metadata->annotator_count > 0)
    {
        for(int i = 0; i < Metadata->annotator_count; ++i)
        {
            if(SearchCredentials(CreditsMenu, HasCreditsMenu, Metadata->annotators[i], "Annotator"))
            {
                printf("No credentials for %s. Please contact matt@handmadedev.org with their:\n"
                        "    Full name\n"
                        "    Homepage URL (optional)\n"
                        "    Financial support info, e.g. Patreon URL (optional)\n", Metadata->annotators[i]);
            }
        }
    }
    else
    {
        if(*HasCreditsMenu == TRUE)
        {
            CopyStringToBuffer(CreditsMenu,
                    "                </div>\n"
                    "            </div>\n");
        }
        return CreditsError_NoAnnotator;
    }

    if(*HasCreditsMenu == TRUE)
    {
        CopyStringToBuffer(CreditsMenu,
                "                </div>\n"
                "            </div>\n");
    }

    return 0;
}

int
BuildReference(ref_info *ReferencesArray, int RefIdentifier, int UniqueRefs, HMML_Reference *Ref, HMML_Annotation *Anno)
{

#define REF_SITE (1 << 0)
#define REF_PAGE (1 << 1)
#define REF_URL (1 << 2)
#define REF_TITLE (1 << 3)
#define REF_ARTICLE (1 << 4)
#define REF_AUTHOR (1 << 5)
#define REF_EDITOR (1 << 6)
#define REF_PUBLISHER (1 << 7)
#define REF_ISBN (1 << 8)

    int Mask = 0;

    if(Ref->site)      { Mask |= REF_SITE; }
    if(Ref->page)      { Mask |= REF_PAGE; }
    if(Ref->url)       { Mask |= REF_URL; }
    if(Ref->title)     { Mask |= REF_TITLE; }
    if(Ref->article)   { Mask |= REF_ARTICLE; }
    if(Ref->author)    { Mask |= REF_AUTHOR; }
    if(Ref->editor)    { Mask |= REF_EDITOR; }
    if(Ref->publisher) { Mask |= REF_PUBLISHER; }
    if(Ref->isbn)      { Mask |= REF_ISBN; }

    if((REF_URL | REF_TITLE | REF_AUTHOR | REF_PUBLISHER | REF_ISBN) == Mask)
    {
        CopyString(ReferencesArray[UniqueRefs].ID, Ref->isbn);
        CopyString(ReferencesArray[UniqueRefs].Source, "%s (%s)", Ref->author, Ref->publisher);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].RefTitle, Ref->title);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].URL, Ref->url);
    }
    else if((REF_AUTHOR | REF_SITE | REF_PAGE | REF_URL) == Mask)
    {
        CopyStringNoFormat(ReferencesArray[UniqueRefs].ID, Ref->url);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].Source, Ref->site);
        CopyString(ReferencesArray[UniqueRefs].RefTitle, "%s: \"%s\"", Ref->author, Ref->page);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].URL, Ref->url);
    }
    else if((REF_PAGE | REF_URL | REF_TITLE) == Mask)
    {
        CopyStringNoFormat(ReferencesArray[UniqueRefs].ID, Ref->url);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].Source, Ref->title);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].RefTitle, Ref->page);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].URL, Ref->url);
    }
    else if((REF_SITE | REF_PAGE | REF_URL) == Mask)
    {
        CopyStringNoFormat(ReferencesArray[UniqueRefs].ID, Ref->url);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].Source, Ref->site);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].RefTitle, Ref->page);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].URL, Ref->url);
    }
    else if((REF_SITE | REF_URL | REF_TITLE) == Mask)
    {
        CopyStringNoFormat(ReferencesArray[UniqueRefs].ID, Ref->url);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].Source, Ref->site);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].RefTitle, Ref->title);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].URL, Ref->url);
    }
    else if((REF_TITLE | REF_AUTHOR | REF_ISBN) == Mask)
    {
        CopyString(ReferencesArray[UniqueRefs].ID, Ref->isbn);
        CopyString(ReferencesArray[UniqueRefs].Source, Ref->author);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].RefTitle, Ref->title);
        CopyString(ReferencesArray[UniqueRefs].URL, "http://www.openisbn.com/isbn/%s", Ref->isbn);
    }
    else if((REF_URL | REF_ARTICLE | REF_AUTHOR) == Mask)
    {
        CopyStringNoFormat(ReferencesArray[UniqueRefs].ID, Ref->url);
        CopyString(ReferencesArray[UniqueRefs].Source, Ref->author);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].RefTitle, Ref->article);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].URL, Ref->url);
    }
    else if((REF_URL | REF_TITLE | REF_AUTHOR) == Mask)
    {
        CopyStringNoFormat(ReferencesArray[UniqueRefs].ID, Ref->url);
        CopyString(ReferencesArray[UniqueRefs].Source, Ref->author);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].RefTitle, Ref->title);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].URL, Ref->url);
    }
    else if((REF_URL | REF_TITLE) == Mask)
    {
        CopyStringNoFormat(ReferencesArray[UniqueRefs].ID, Ref->url);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].RefTitle, Ref->title);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].URL, Ref->url);
    }
    else if((REF_SITE | REF_URL) == Mask)
    {
        CopyStringNoFormat(ReferencesArray[UniqueRefs].ID, Ref->url);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].RefTitle, Ref->site);
        CopyStringNoFormat(ReferencesArray[UniqueRefs].URL, Ref->url);
    }
    else
    {
        return 1;
    }

    CopyString(ReferencesArray[UniqueRefs].Identifier[ReferencesArray[UniqueRefs].IdentifierCount].Timecode, Anno->time);
    ReferencesArray[UniqueRefs].Identifier[ReferencesArray[UniqueRefs].IdentifierCount].Identifier = RefIdentifier;
    return 0;
}

void
InsertCategory(categories *GlobalTopics, categories *LocalTopics, categories *GlobalMedia, categories *LocalMedia, char *Marker)
{
    bool IsMedium = FALSE;

    int CategoryMediumIndex;
    for(CategoryMediumIndex = 0; CategoryMediumIndex < ArrayCount(CategoryMedium); ++CategoryMediumIndex)
    {
        if(!StringsDiffer(CategoryMedium[CategoryMediumIndex].Medium, Marker))
        {
            IsMedium = TRUE;
            break;
        }
    }

    int CategoryIndex;
    if(IsMedium)
    {
        for(CategoryIndex = 0; CategoryIndex < LocalMedia->Count; ++CategoryIndex)
        {
            if(!StringsDiffer(CategoryMedium[CategoryMediumIndex].Medium, LocalMedia->Category[CategoryIndex].Marker))
            {
                return;
            }
            if((StringsDiffer(CategoryMedium[CategoryMediumIndex].WrittenName, LocalMedia->Category[CategoryIndex].WrittenText)) < 0)
            {
                int CategoryCount;
                for(CategoryCount = LocalMedia->Count; CategoryCount > CategoryIndex; --CategoryCount)
                {
                    CopyString(LocalMedia->Category[CategoryCount].Marker, LocalMedia->Category[CategoryCount-1].Marker);
                    CopyString(LocalMedia->Category[CategoryCount].WrittenText, LocalMedia->Category[CategoryCount-1].WrittenText);
                }

                CopyString(LocalMedia->Category[CategoryCount].Marker, CategoryMedium[CategoryMediumIndex].Medium);
                CopyString(LocalMedia->Category[CategoryCount].WrittenText, CategoryMedium[CategoryMediumIndex].WrittenName);
                break;
            }
        }

        if(CategoryIndex == LocalMedia->Count)
        {
            CopyString(LocalMedia->Category[CategoryIndex].Marker, CategoryMedium[CategoryMediumIndex].Medium);
            CopyString(LocalMedia->Category[CategoryIndex].WrittenText, CategoryMedium[CategoryMediumIndex].WrittenName);
        }

        ++LocalMedia->Count;

        for(CategoryIndex = 0; CategoryIndex < GlobalMedia->Count; ++CategoryIndex)
        {
            if(!StringsDiffer(CategoryMedium[CategoryMediumIndex].Medium, GlobalMedia->Category[CategoryIndex].Marker))
            {
                return;
            }
            if((StringsDiffer(CategoryMedium[CategoryMediumIndex].WrittenName, GlobalMedia->Category[CategoryIndex].WrittenText)) < 0)
            {
                int CategoryCount;
                for(CategoryCount = GlobalMedia->Count; CategoryCount > CategoryIndex; --CategoryCount)
                {
                    CopyString(GlobalMedia->Category[CategoryCount].Marker, GlobalMedia->Category[CategoryCount-1].Marker);
                    CopyString(GlobalMedia->Category[CategoryCount].WrittenText, GlobalMedia->Category[CategoryCount-1].WrittenText);
                }

                CopyString(GlobalMedia->Category[CategoryCount].Marker, CategoryMedium[CategoryMediumIndex].Medium);
                CopyString(GlobalMedia->Category[CategoryCount].WrittenText, CategoryMedium[CategoryMediumIndex].WrittenName);
                break;
            }
        }

        if(CategoryIndex == GlobalMedia->Count)
        {
            CopyString(GlobalMedia->Category[CategoryIndex].Marker, CategoryMedium[CategoryMediumIndex].Medium);
            CopyString(GlobalMedia->Category[CategoryIndex].WrittenText, CategoryMedium[CategoryMediumIndex].WrittenName);
        }

        ++GlobalMedia->Count;
    }
    else
    {
        for(CategoryIndex = 0; CategoryIndex < LocalTopics->Count; ++CategoryIndex)
        {
            if(!StringsDiffer(Marker, LocalTopics->Category[CategoryIndex].Marker))
            {
                return;
            }
            if((StringsDiffer(Marker, LocalTopics->Category[CategoryIndex].Marker)) < 0)
            {
                int CategoryCount;
                for(CategoryCount = LocalTopics->Count; CategoryCount > CategoryIndex; --CategoryCount)
                {
                    CopyString(LocalTopics->Category[CategoryCount].Marker, LocalTopics->Category[CategoryCount-1].Marker);
                }

                CopyString(LocalTopics->Category[CategoryCount].Marker, Marker);
                break;
            }
        }

        if(CategoryIndex == LocalTopics->Count)
        {
            CopyString(LocalTopics->Category[CategoryIndex].Marker, Marker);
        }

        ++LocalTopics->Count;

        for(CategoryIndex = 0; CategoryIndex < GlobalTopics->Count; ++CategoryIndex)
        {
            if(!StringsDiffer(Marker, GlobalTopics->Category[CategoryIndex].Marker))
            {
                return;
            }
            if((StringsDiffer(Marker, GlobalTopics->Category[CategoryIndex].Marker)) < 0)
            {
                int CategoryCount;
                for(CategoryCount = GlobalTopics->Count; CategoryCount > CategoryIndex; --CategoryCount)
                {
                    CopyString(GlobalTopics->Category[CategoryCount].Marker, GlobalTopics->Category[CategoryCount-1].Marker);
                }

                CopyString(GlobalTopics->Category[CategoryCount].Marker, Marker);
                break;
            }
        }

        if(CategoryIndex == GlobalTopics->Count)
        {
            CopyString(GlobalTopics->Category[CategoryIndex].Marker, Marker);
        }

        ++GlobalTopics->Count;
    }

    return;
}

void
BuildCategories(buffer *AnnotationClass, buffer *TopicDots, categories *LocalTopics, categories *LocalMedia, int *MarkerIndex)
{
    if(LocalTopics->Count > 0)
    {
        CopyStringToBuffer(TopicDots, "<span class=\"categories\">");
        for(int i = 0; i < LocalTopics->Count; ++i)
        {
            CopyStringToBuffer(TopicDots, "<div title=\"%s\" class=\"category %s\"></div>",
                    SanitisePunctuation(LocalTopics->Category[i].Marker),
                    SanitisePunctuation(LocalTopics->Category[i].Marker));

            CopyStringToBuffer(AnnotationClass, " cat_%s",
                    SanitisePunctuation(LocalTopics->Category[i].Marker));
        }
        CopyStringToBuffer(TopicDots, "</span>");
    }

    for(int i = 0; i < LocalMedia->Count; ++i)
    {
        if(!StringsDiffer(LocalMedia->Category[i].Marker, "afk")) // TODO(matt): Initially hidden config
        {
            CopyStringToBuffer(AnnotationClass, " off_%s skip", SanitisePunctuation(LocalMedia->Category[i].Marker)); // TODO(matt): Bulletproof this?
        }
        else
        {
            CopyStringToBuffer(AnnotationClass, " %s", SanitisePunctuation(LocalMedia->Category[i].Marker));
        }
    }

    CopyStringToBuffer(AnnotationClass, "\"");
}

int
StringToInt(char *String)
{
    int Result = 0;
    while(*String)
    {
        Result = Result * 10 + (*String - '0');
        ++String;
    }
    return Result;
}

size_t
CurlIntoBuffer(char *InPtr, size_t CharLength, size_t Chars, char **OutputPtr)
{
    int Length = CharLength * Chars;
    int i;
    for(i = 0; InPtr[i] && i < Length; ++i)
    {
        *((*OutputPtr)++) = InPtr[i];
    }
    **OutputPtr = '\0';
    return Length;
};

void
CurlQuotes(buffer *QuoteStaging, char *QuotesURL)
{
    CURL *curl = curl_easy_init();
    if(curl) {
        CURLcode res;
        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &QuoteStaging->Ptr);
        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlIntoBuffer);
        curl_easy_setopt(curl, CURLOPT_URL, QuotesURL);
        if((res = curl_easy_perform(curl)))
        {
            fprintf(stderr, "%s", curl_easy_strerror(res));
        }
        curl_easy_cleanup(curl);
    }
}

int
SearchQuotes(buffer *QuoteStaging, int CacheSize, quote_info *Info, int ID)
{
    QuoteStaging->Ptr = QuoteStaging->Location;
    while(QuoteStaging->Ptr - QuoteStaging->Location < CacheSize)
    {
        char InID[4] = { 0 };
        char InTime[16] = { 0 };
        char *OutPtr = InID;
        QuoteStaging->Ptr += CopyStringNoFormatT(OutPtr, QuoteStaging->Ptr, ',');

        if(StringToInt(InID) == ID)
        {
            QuoteStaging->Ptr += 1;
            OutPtr = InTime;
            QuoteStaging->Ptr += CopyStringNoFormatT(OutPtr, QuoteStaging->Ptr, ',');

            long int Time = StringToInt(InTime);
            char DayString[3];
            strftime(DayString, 3, "%d", gmtime(&Time));
            int Day = StringToInt(DayString);

            char DaySuffix[3]; if(DayString[1] == '1' && Day != 11) { CopyString(DaySuffix, "st"); }
            else if(DayString[1] == '2' && Day != 12) { CopyString(DaySuffix, "nd"); }
            else if(DayString[1] == '3' && Day != 13) { CopyString(DaySuffix, "rd"); }
            else { CopyString(DaySuffix, "th"); }

            char MonthYear[32];
            strftime(MonthYear, 32, "%B, %Y", gmtime(&Time));
            CopyString(Info->Date, "%d%s %s", Day, DaySuffix, MonthYear);

            QuoteStaging->Ptr += 1;
            OutPtr = Info->Text;
            QuoteStaging->Ptr += CopyStringNoFormatT(OutPtr, QuoteStaging->Ptr, '\n');

            FreeBuffer(QuoteStaging);
            return RC_FOUND;
        }
        else
        {
            while(*QuoteStaging->Ptr != '\n')
            {
                ++QuoteStaging->Ptr;
            }
            ++QuoteStaging->Ptr;
        }
    }
    return RC_UNFOUND;
}

int
BuildQuote(quote_info *Info, char *Speaker, int ID)
{
    // TODO(matt): Rebuild cache option

    char QuoteCacheDir[256];
    CopyString(QuoteCacheDir, "%s/quotes", Config.CacheDir);
    char QuoteCachePath[256];
    CopyString(QuoteCachePath, "%s/%s", QuoteCacheDir, Speaker);
    FILE *QuoteCache;
    char QuotesURL[256];
    // TODO(matt): Make the URL configurable
    CopyString(QuotesURL, "https://dev.abaines.me.uk/quotes/%s.raw", Speaker);
    bool CacheAvailable = FALSE;

    if(!(QuoteCache = fopen(QuoteCachePath, "a+")))
    {
        if(MakeDir(QuoteCacheDir) == RC_SUCCESS)
        {
            CacheAvailable = TRUE;
        };
        if(!(QuoteCache = fopen(QuoteCachePath, "a+")))
        {
            fprintf(stderr, "Unable to open quote cache %s: %s\n", QuoteCachePath, strerror(errno));
        }
        else
        {
            CacheAvailable = TRUE;
        }
    }
    else
    {
        CacheAvailable = TRUE;
    }

    buffer QuoteStaging;
    QuoteStaging.ID = "QuoteStaging";
    QuoteStaging.Size = Kilobytes(256);
    if(!(QuoteStaging.Location = malloc(QuoteStaging.Size)))
    {
        fclose(QuoteCache);
        return RC_ERROR_MEMORY;
    }

#if DEBUG_MEM
    FILE *MemLog = fopen("/home/matt/cinera_mem", "a+");
    fprintf(MemLog, " Allocated QuoteStaging (%d)\n", QuoteStaging.Size);
    fclose(MemLog);
    printf(" Allocated QuoteStaging (%d)\n", QuoteStaging.Size);
#endif

    QuoteStaging.Ptr = QuoteStaging.Location;

    if(CacheAvailable)
    {
        fseek(QuoteCache, 0, SEEK_END);
        int FileSize = ftell(QuoteCache);
        fseek(QuoteCache, 0, SEEK_SET);

        fread(QuoteStaging.Location, FileSize, 1, QuoteCache);
        fclose(QuoteCache);

        if(SearchQuotes(&QuoteStaging, FileSize, Info, ID) == RC_UNFOUND)
        {
            CurlQuotes(&QuoteStaging, QuotesURL);

            if(!(QuoteCache = fopen(QuoteCachePath, "w")))
            {
                perror(QuoteCachePath);
            }
            fwrite(QuoteStaging.Location, QuoteStaging.Ptr - QuoteStaging.Location, 1, QuoteCache);
            fclose(QuoteCache);

            int CacheSize = QuoteStaging.Ptr - QuoteStaging.Location;
            QuoteStaging.Ptr = QuoteStaging.Location;
            if(SearchQuotes(&QuoteStaging, CacheSize, Info, ID) == 1)
            {
                FreeBuffer(&QuoteStaging);
                return 1;
            }
        }
    }
    else
    {
        CurlQuotes(&QuoteStaging, QuotesURL);
        int CacheSize = QuoteStaging.Ptr - QuoteStaging.Location;
        QuoteStaging.Ptr = QuoteStaging.Location;
        if(SearchQuotes(&QuoteStaging, CacheSize, Info, ID) == 1)
        {
            FreeBuffer(&QuoteStaging);
            return 1;
        }
    }

    return 0;
}

int
GenerateTopicColours(char *Topic)
{
    for(int i = 0; i < ArrayCount(CategoryMedium); ++i)
    {
        if(!StringsDiffer(Topic, CategoryMedium[i].Medium))
        {
            return RC_NOOP;
        }
    }

    file_buffer Topics;
    Topics.Buffer.ID = "Topics";

    if(StringsDiffer(Config.CSSDir, ""))
    {
        CopyString(Topics.Path, "%s/%s/cinera_topics.css", Config.RootDir, Config.CSSDir);
    }
    else
    {
        CopyString(Topics.Path, "%s/cinera_topics.css", Config.RootDir);
    }

    if((Topics.Handle = fopen(Topics.Path, "a+")))
    {
        fseek(Topics.Handle, 0, SEEK_END);
        Topics.FileSize = ftell(Topics.Handle);
        Topics.Buffer.Size = Topics.FileSize;
        fseek(Topics.Handle, 0, SEEK_SET);

        if(!(Topics.Buffer.Location = malloc(Topics.Buffer.Size)))
        {
            return RC_ERROR_MEMORY;
        }

#if DEBUG_MEM
        FILE *MemLog = fopen("/home/matt/cinera_mem", "a+");
        fprintf(MemLog, " Allocated Topics (%d)\n", Topics.Size);
        fclose(MemLog);
        printf(" Allocated Topics (%d)\n", Topics.Size);
#endif

        Topics.Buffer.Ptr = Topics.Buffer.Location;
        fread(Topics.Buffer.Location, Topics.Buffer.Size, 1, Topics.Handle);

        while(Topics.Buffer.Ptr - Topics.Buffer.Location < Topics.Buffer.Size)
        {
            Topics.Buffer.Ptr += StringLength(".category.");
            if(!StringsDifferT(SanitisePunctuation(Topic), Topics.Buffer.Ptr, ' '))
            {
                FreeBuffer(&Topics.Buffer);
                fclose(Topics.Handle);
                return RC_NOOP;
            }
            while(Topics.Buffer.Ptr - Topics.Buffer.Location < Topics.Buffer.Size && *Topics.Buffer.Ptr != '\n')
            {
                ++Topics.Buffer.Ptr;
            }
            ++Topics.Buffer.Ptr;
        }

        hsl_colour Colour;
        StringToColourHash(&Colour, Topic);
        fprintf(Topics.Handle, ".category.%s { border: 1px solid hsl(%d, %d%%, %d%%); background: hsl(%d, %d%%, %d%%); }\n",
                SanitisePunctuation(Topic), Colour.Hue, Colour.Saturation, Colour.Lightness, Colour.Hue, Colour.Saturation, Colour.Lightness);

        fclose(Topics.Handle);
        FreeBuffer(&Topics.Buffer);
        return RC_SUCCESS;
    }
    else
    {
        return RC_ERROR_FILE;
    }
}

void
PrintUsage(char *BinaryLocation, config *DefaultConfig)
{
    fprintf(stderr, "Usage: %s [option(s)] filename(s)\n"
            "\n"
            "Options:\n"
            "    Paths: \n"
            "        -r <root directory>\n"
            "            Override default root directory (\"%s\")\n"
            "        -u <root URL>\n"
            "            Override default root URL (\"%s\")\n"
            "        -b <base output directory>\n"
            "            Override project's default base output directory (\"%s\")\n"
            "        -c <CSS directory path>\n"
            "            Override default CSS directory (\"%s\"), relative to root\n"
            "        -i <images directory path>\n"
            "            Override default images directory (\"%s\"), relative to root\n"
            "        -j <JS directory path>\n"
            "            Override default JS directory (\"%s\"), relative to root\n"
            "        -t <player template location>\n"
            "            Override default player template location (\"%s\"), relative to root\n"
            "            and automatically enable integration\n"
            "        -x <index template location>\n"
            "            Override default index template location (\"%s\"), relative to root\n"
            "            and automatically enable integration\n"
            "\n"
            "        -o <output location>\n"
            "            Override default output player location for SINGLE_EDITION (\"%s\")\n"
            "        -d <project directory>\n"
            "            Override default project directory (\"%s\")\n"
            "\n"
            "    -f\n"
            "        Force integration with an incomplete template\n"
            "    -p <project ID>\n"
            "        Set the project ID, corresponding to the \"project\" field in the HMML files\n"
            "    -l <n>\n"
            "        Override default log level (%d), where n is from 0 (terse) to 7 (verbose)\n"
            "    -m <default medium>\n"
            "        Override default default medium (\"%s\")\n"
            "    -U <seconds>\n"
            "        Override default update interval (\"%d\")\n"
            //"    -c config location\n"
            "    -h\n"
            "        display this help\n"
            "\n"
            "Environment Variables:\n"
            "    CINERA_MODE\n"
            "        =INTEGRATE\n"
            "            Enable integration\n"
            "\n"
            "Template:\n"
            "   A complete template shall contain exactly one each of the following tags:\n"
            "       <!-- __CINERA_INCLUDES__ -->\n"
            "       <!-- __CINERA_MENUS__ -->\n"
            "       <!-- __CINERA_PLAYER__ -->\n"
            "       <!-- __CINERA_SCRIPT__ --> (must come after <!-- __CINERA_PLAYER__ -->)\n"
            "   Other available tags include:\n"
            "       <!-- __CINERA_TITLE__ -->\n"
            "\n"
            "HMML Specification:\n"
            "    https://git.handmade.network/Annotation-Pushers/Annotation-System/wikis/hmmlspec\n",
        BinaryLocation, DefaultConfig->RootDir, DefaultConfig->RootURL, DefaultConfig->BaseDir, DefaultConfig->CSSDir, DefaultConfig->ImagesDir, DefaultConfig->JSDir, DefaultConfig->TemplatePlayerLocation, DefaultConfig->TemplateIndexLocation, DefaultConfig->OutLocation, DefaultConfig->ProjectDir, DefaultConfig->LogLevel, DefaultConfig->DefaultMedium, DefaultConfig->UpdateInterval);
}

void
DepartComment(buffer *Template)
{
    while(Template->Ptr - Template->Location < Template->Size)
    {
        if(!StringsDifferT("-->", Template->Ptr, 0))
        {
            Template->Ptr += StringLength("-->");
            break;
        }
        ++Template->Ptr;
    }
}

enum
{
    PAGE_PLAYER = 1 << 0,
    PAGE_INDEX = 1 << 1
} pages;

int
ValidateTemplate(buffer *Errors, template **Template, int PageType)
{
    if(ClaimTemplate(Template,
                PageType == PAGE_INDEX ? Config.TemplateIndexLocation : Config.TemplatePlayerLocation) == RC_ARENA_FULL){ return RC_ARENA_FULL; };

    RewindBuffer(Errors);
    bool HaveErrors = FALSE;

    bool FoundIncludes = FALSE;
    bool FoundMenus  = FALSE;
    bool FoundPlayer = FALSE;
    bool FoundScript = FALSE;
    bool FoundIndex = FALSE;

    char *Previous = (*Template)->Buffer.Location;

    while((*Template)->Buffer.Ptr - (*Template)->Buffer.Location < (*Template)->Buffer.Size)
    {
Here:
        if(*(*Template)->Buffer.Ptr == '!' && ((*Template)->Buffer.Ptr > (*Template)->Buffer.Location && !StringsDifferT("<!--", &(*Template)->Buffer.Ptr[-1], 0)))
        {
            char *CommentStart = &(*Template)->Buffer.Ptr[-1];
            while((*Template)->Buffer.Ptr - (*Template)->Buffer.Location < (*Template)->Buffer.Size && StringsDifferT("-->", (*Template)->Buffer.Ptr, 0))
            {
                for(int i = 0; i < ArrayCount(Tags); ++i)
                {
                    if(!(StringsDifferT(Tags[i].Tag, (*Template)->Buffer.Ptr, 0)))
                    {
                        // TODO(matt): Pack up this data for BuffersToHTML() to use
                        /*
                         * Potential ways to compress these cases
                         *
                         * bool Found[TAG_COUNT]
                         *  -Asaf
                         *
                         * int* flags[] = { [TAG_INCLUDES] = &FoundIncludes, [TAG_MENUS] = &FoundMenus } flags[Tags[i].Code] = true;
                         *  -insofaras
                         *
                         */
                        //printf("Switching on the tags\n");
                        switch(Tags[i].Code)
                        {
                            case TAG_INDEX:
                                (*Template)->Metadata.Tag[(*Template)->Metadata.TagCount].Offset = CommentStart - Previous;
                                (*Template)->Metadata.Tag[(*Template)->Metadata.TagCount].TagCode = TAG_INDEX;
                                (*Template)->Metadata.TagCount++;
                                DepartComment(&(*Template)->Buffer);
                                Previous = (*Template)->Buffer.Ptr;
                                FoundIndex = TRUE;
                                goto Here;
                            case TAG_INCLUDES:
                                if(!Config.ForceIntegration && FoundIncludes == TRUE)
                                {
                                    CopyStringToBuffer(Errors, "(*Template) contains more than one <!-- %s --> tag\n", Tags[i].Tag);
                                    HaveErrors = TRUE;
                                }
                                (*Template)->Metadata.Tag[(*Template)->Metadata.TagCount].Offset = CommentStart - Previous;
                                (*Template)->Metadata.Tag[(*Template)->Metadata.TagCount].TagCode = TAG_INCLUDES;
                                (*Template)->Metadata.TagCount++;
                                DepartComment(&(*Template)->Buffer);
                                Previous = (*Template)->Buffer.Ptr;
                                FoundIncludes = TRUE;
                                goto Here;
                            case TAG_MENUS:
                                if(!Config.ForceIntegration && FoundMenus == TRUE)
                                {
                                    CopyStringToBuffer(Errors, "(*Template) contains more than one <!-- %s --> tag\n", Tags[i].Tag);
                                    HaveErrors = TRUE;
                                }
                                (*Template)->Metadata.Tag[(*Template)->Metadata.TagCount].Offset = CommentStart - Previous;
                                (*Template)->Metadata.Tag[(*Template)->Metadata.TagCount].TagCode = TAG_MENUS;
                                (*Template)->Metadata.TagCount++;
                                DepartComment(&(*Template)->Buffer);
                                Previous = (*Template)->Buffer.Ptr;
                                FoundMenus = TRUE;
                                goto Here;
                            case TAG_PLAYER:
                                if(!Config.ForceIntegration && FoundPlayer == TRUE)
                                {
                                    CopyStringToBuffer(Errors, "(*Template) contains more than one <!-- %s --> tag\n", Tags[i].Tag);
                                    HaveErrors = TRUE;
                                }
                                (*Template)->Metadata.Tag[(*Template)->Metadata.TagCount].Offset = CommentStart - Previous;
                                (*Template)->Metadata.Tag[(*Template)->Metadata.TagCount].TagCode = TAG_PLAYER;
                                (*Template)->Metadata.TagCount++;
                                DepartComment(&(*Template)->Buffer);
                                Previous = (*Template)->Buffer.Ptr;
                                FoundPlayer = TRUE;
                                goto Here;
                            case TAG_SCRIPT:
                                if(!Config.ForceIntegration && FoundPlayer == FALSE)
                                {
                                    CopyStringToBuffer(Errors, "<!-- %s --> must come after <!-- __CINERA_PLAYER__ -->\n", Tags[i].Tag);
                                    HaveErrors = TRUE;
                                }
                                if(!Config.ForceIntegration && FoundScript == TRUE)
                                {
                                    CopyStringToBuffer(Errors, "(*Template) contains more than one <!-- %s --> tag\n", Tags[i].Tag);
                                    HaveErrors = TRUE;
                                }
                                (*Template)->Metadata.Tag[(*Template)->Metadata.TagCount].Offset = CommentStart - Previous;
                                (*Template)->Metadata.Tag[(*Template)->Metadata.TagCount].TagCode = TAG_SCRIPT;
                                (*Template)->Metadata.TagCount++;
                                DepartComment(&(*Template)->Buffer);
                                Previous = (*Template)->Buffer.Ptr;
                                FoundScript = TRUE;
                                goto Here;
                            case TAG_TITLE:
                                (*Template)->Metadata.Tag[(*Template)->Metadata.TagCount].Offset = CommentStart - Previous;
                                (*Template)->Metadata.Tag[(*Template)->Metadata.TagCount].TagCode = TAG_TITLE;
                                (*Template)->Metadata.TagCount++;
                                DepartComment(&(*Template)->Buffer);
                                Previous = (*Template)->Buffer.Ptr;
                                goto Here;
                        };
                    }
                }
                ++(*Template)->Buffer.Ptr;
            }
        }
        else
        {
            ++(*Template)->Buffer.Ptr;
        }
    }

    if(FoundIndex)
    {
        (*Template)->Metadata.Validity |= PAGE_INDEX;
    }

    if(!HaveErrors && FoundIncludes && FoundMenus && FoundPlayer && FoundScript)
    {
        (*Template)->Metadata.Validity |= PAGE_PLAYER;
    }

    if(!Config.ForceIntegration)
    {
        if(PageType == PAGE_INDEX && !((*Template)->Metadata.Validity & PAGE_INDEX))
        {
            CopyStringToBuffer(Errors, "Index template %s must include one <!-- __CINERA_INDEX__ --> tag\n", (*Template)->Metadata.Filename);
            fprintf(stderr, "%s", Errors->Location);
            return RC_INVALID_TEMPLATE;
        }
        else if(PageType == PAGE_PLAYER && !((*Template)->Metadata.Validity & PAGE_PLAYER))
        {
            if(!FoundIncludes){ CopyStringToBuffer(Errors, "Player template %s must include one <!-- __CINERA_INCLUDES__ --> tag\n", (*Template)->Metadata.Filename); };
            if(!FoundMenus){ CopyStringToBuffer(Errors, "Player template %s must include one <!-- __CINERA_MENUS__ --> tag\n", (*Template)->Metadata.Filename); };
            if(!FoundPlayer){ CopyStringToBuffer(Errors, "Player template %s must include one <!-- __CINERA_PLAYER__ --> tag\n", (*Template)->Metadata.Filename); };
            if(!FoundScript){ CopyStringToBuffer(Errors, "Player template %s must include one <!-- __CINERA_SCRIPT__ --> tag\n", (*Template)->Metadata.Filename); };
            fprintf(stderr, "%s", Errors->Location);
            return RC_INVALID_TEMPLATE;
        }
    }
    return RC_SUCCESS;
}

int
HMMLToBuffers(buffers *CollationBuffers, char *Filename)
{
    RewindBuffer(&CollationBuffers->IncludesPlayer);
    RewindBuffer(&CollationBuffers->Menus);
    RewindBuffer(&CollationBuffers->Player);
    RewindBuffer(&CollationBuffers->ScriptPlayer);
    RewindBuffer(&CollationBuffers->IncludesIndex);
    RewindBuffer(&CollationBuffers->ScriptIndex);

    char Filepath[256];
    if(Config.Edition == EDITION_PROJECT)
    {
        CopyString(Filepath, "%s/%s", Config.ProjectDir, Filename);
    }
    else
    {
        CopyString(Filepath, "%s", Filename);
    }

    FILE *InFile;
    if(!(InFile = fopen(Filepath, "r")))
    {
        LogError(LOG_ERROR, "Unable to open (annotations file) %s: %s", Filename, strerror(errno));
        fprintf(stderr, "Unable to open (annotations file) %s: %s\n", Filename, strerror(errno));
        return RC_ERROR_FILE;
    }

    HMML_Output HMML = hmml_parse_file(InFile);
    fclose(InFile);

    if(HMML.well_formed)
    {
        CopyString(CollationBuffers->Title, HMML.metadata.title);
#if DEBUG
        printf(
                "================================================================================\n"
                "%s\n"
                "================================================================================\n",
                Filename);
#endif
        // NOTE(matt): Tree structure of "global" buffer dependencies
        // Master
        //     IncludesPlayer
        //     Menus
        //         QuoteMenu
        //         ReferenceMenu
        //         FilterMenu
        //             FilterTopics
        //             FilterMedia
        //          CreditsMenu
        //     Player
        //     Script
        //         FilterState

        buffer QuoteMenu;
        buffer ReferenceMenu;
        buffer FilterMenu;
        buffer FilterTopics;
        buffer FilterMedia;
        buffer CreditsMenu;

        buffer Annotation;
        buffer AnnotationHeader;
        buffer AnnotationClass;
        buffer AnnotationData;
        buffer Text;
        buffer TopicDots;

        buffer FilterState;

        if(ClaimBuffer(&QuoteMenu, "QuoteMenu", Kilobytes(16)) == RC_ARENA_FULL) { hmml_free(&HMML); return RC_ARENA_FULL; };
        if(ClaimBuffer(&ReferenceMenu, "ReferenceMenu", Kilobytes(16)) == RC_ARENA_FULL) { hmml_free(&HMML); return RC_ARENA_FULL; };
        if(ClaimBuffer(&FilterMenu, "FilterMenu", Kilobytes(16)) == RC_ARENA_FULL) { hmml_free(&HMML); return RC_ARENA_FULL; };
        if(ClaimBuffer(&FilterTopics, "FilterTopics", Kilobytes(8)) == RC_ARENA_FULL) { hmml_free(&HMML); return RC_ARENA_FULL; };
        if(ClaimBuffer(&FilterMedia, "FilterMedia", Kilobytes(8)) == RC_ARENA_FULL) { hmml_free(&HMML); return RC_ARENA_FULL; };
        if(ClaimBuffer(&CreditsMenu, "CreditsMenu", Kilobytes(8)) == RC_ARENA_FULL) { hmml_free(&HMML); return RC_ARENA_FULL; };
        if(ClaimBuffer(&FilterState, "FilterState", Kilobytes(4)) == RC_ARENA_FULL) { hmml_free(&HMML); return RC_ARENA_FULL; };

        ref_info ReferencesArray[200] = { 0 };
        categories Topics = { 0 };
        categories Media = { 0 };

        bool HasQuoteMenu = FALSE;
        bool HasReferenceMenu = FALSE;
        bool HasFilterMenu = FALSE;
        bool HasCreditsMenu = FALSE;

        int QuoteIdentifier = 0x3b1;
        int RefIdentifier = 1;
        int UniqueRefs = 0;

        CopyStringToBuffer(&CollationBuffers->Menus,
                "        <div class=\"title %s\">\n"
                "            <span class=\"episode_name\">", HMML.metadata.project);
        CopyStringToBufferHTMLSafe(&CollationBuffers->Menus, HMML.metadata.title);
        CopyStringToBuffer(&CollationBuffers->Menus, "</span>\n"
                "            <span id=\"focus-warn\">⚠ Click here to regain focus ⚠</span>\n");

        CopyStringToBuffer(&CollationBuffers->Player,
                "        <div class=\"player_container\">\n"
                "            <div class=\"video_container\" data-videoId=\"%s\"></div>\n"
                "            <div class=\"markers_container %s\">\n", HMML.metadata.id, HMML.metadata.project);

        int CreditsErrorCode = BuildCredits(&CreditsMenu, &HasCreditsMenu, &HMML.metadata);
        if(CreditsErrorCode)
        {
            switch(CreditsErrorCode)
            {
                case CreditsError_NoHost:
                    fprintf(stderr, "%s: Missing \"member\" in the [video] node. Skipping...\n", Filename);
                    goto Cleanup;
                    break;
                case CreditsError_NoAnnotator:
                    fprintf(stderr, "%s: Missing \"annotator\" in the [video] node. Skipping...\n", Filename);
                    goto Cleanup;
                    break;
                default:
                    break;
            }
        }

#if DEBUG
        printf("\n\n --- Entering Annotations Loop ---\n\n\n\n");
#endif

        RewindBuffer(&CollationBuffers->Search);
        char *FilenamePtr = Filename;
        FilenamePtr += StringLength(Filename) - StringLength(".hmml");
        *FilenamePtr = '\0';
        CopyStringToBuffer(&CollationBuffers->Search, "name: \"%s\"\n"
                "title: \"", Filename);
        *FilenamePtr = '.';
        CopyStringToBufferJSONSafe(&CollationBuffers->Search, HMML.metadata.title);
        CopyStringToBuffer(&CollationBuffers->Search, "\"\n"
                "markers:\n");

        for(int AnnotationIndex = 0; AnnotationIndex < HMML.annotation_count; ++AnnotationIndex)
        {
#if DEBUG
            printf("%d\n", AnnotationIndex);
#endif

            HMML_Annotation *Anno = HMML.annotations + AnnotationIndex;

            CopyStringToBuffer(&CollationBuffers->Search, "\"%d\": \"", TimecodeToSeconds(Anno->time));
            CopyStringToBufferJSONSafe(&CollationBuffers->Search, Anno->text);
            CopyStringToBuffer(&CollationBuffers->Search, "\"\n");

            categories LocalTopics = { 0 };
            categories LocalMedia = { 0 };
            bool HasQuote = FALSE;
            bool HasReference = FALSE;

            quote_info QuoteInfo = { 0 };

            // NOTE(matt): Tree structure of "annotation local" buffer dependencies
            // Annotation
            //     AnnotationHeader
            //         AnnotationClass
            //         AnnotationData
            //     Text
            //         TopicDots

            if(ClaimBuffer(&Annotation, "Annotation", Kilobytes(8)) == RC_ARENA_FULL) { hmml_free(&HMML); return RC_ARENA_FULL; };
            if(ClaimBuffer(&AnnotationHeader, "AnnotationHeader", 512) == RC_ARENA_FULL) { hmml_free(&HMML); return RC_ARENA_FULL; };
            if(ClaimBuffer(&AnnotationClass, "AnnotationClass", 256) == RC_ARENA_FULL) { hmml_free(&HMML); return RC_ARENA_FULL; };
            if(ClaimBuffer(&AnnotationData, "AnnotationData", 512) == RC_ARENA_FULL) { hmml_free(&HMML); return RC_ARENA_FULL; };
            if(ClaimBuffer(&Text, "Text", Kilobytes(4)) == RC_ARENA_FULL) { hmml_free(&HMML); return RC_ARENA_FULL; };
            if(ClaimBuffer(&TopicDots, "TopicDots", 512) == RC_ARENA_FULL) { hmml_free(&HMML); return RC_ARENA_FULL; };

            CopyStringToBuffer(&AnnotationHeader,
                    "                <div data-timestamp=\"%d\"",
                    TimecodeToSeconds(Anno->time));

            CopyStringToBuffer(&AnnotationClass,
                    " class=\"marker");

            if(Anno->author)
            {
                if(!HasFilterMenu)
                {
                    HasFilterMenu = TRUE;
                }
                InsertCategory(&Topics, &LocalTopics, &Media, &LocalMedia, "authored");
                hsl_colour AuthorColour;
                StringToColourHash(&AuthorColour, Anno->author);
                if(Config.Edition == EDITION_NETWORK)
                {
                    fprintf(stderr, "%s:%d - TODO(matt): Implement author hoverbox\n", __FILE__, __LINE__);
                    // NOTE(matt): We should get instructions on how to get this info in the config
                    CopyStringToBuffer(&Text,
                            "<a class=\"author\" href=\"https://handmade.network/m/%s\" target=\"blank\" style=\"color: hsl(%d, %d%%, %d%%); text-decoration: none\" data-hue=\"%d\" data-saturation=\"%d%%\">%s</a> ",
                            Anno->author,
                            AuthorColour.Hue, AuthorColour.Saturation, AuthorColour.Lightness,
                            AuthorColour.Hue, AuthorColour.Saturation,
                            Anno->author);
                }
                else
                {
                    CopyStringToBuffer(&Text,
                            "<span class=\"author\" style=\"color: hsl(%d, %d%%, %d%%);\" data-hue=\"%d\" data-saturation=\"%d%%\">%s</span> ",
                            AuthorColour.Hue, AuthorColour.Saturation, AuthorColour.Lightness,
                            AuthorColour.Hue, AuthorColour.Saturation,
                            Anno->author);
                }

            }

            char *InPtr = Anno->text;

            int MarkerIndex = 0, RefIndex = 0;
            while(*InPtr || RefIndex < Anno->reference_count)
            {
                if(MarkerIndex < Anno->marker_count &&
                        InPtr - Anno->text == Anno->markers[MarkerIndex].offset)
                {
                    char *Readable = Anno->markers[MarkerIndex].parameter
                        ? Anno->markers[MarkerIndex].parameter
                        : Anno->markers[MarkerIndex].marker;
                    if(Anno->markers[MarkerIndex].type == HMML_MEMBER)
                    {
                        hsl_colour MemberColour;
                        StringToColourHash(&MemberColour, Anno->markers[MarkerIndex].marker);
                        if(Config.Edition == EDITION_NETWORK)
                        {
                            fprintf(stderr, "%s:%d - TODO(matt): Implement member hoverbox\n", __FILE__, __LINE__);
                            // NOTE(matt): We should get instructions on how to get this info in the config
                            CopyStringToBuffer(&Text,
                                    "<a class=\"member\" href=\"https://handmade.network/m/%s\" target=\"blank\" style=\"color: hsl(%d, %d%%, %d%%); text-decoration: none\" data-hue=\"%d\" data-saturation=\"%d%%\">%.*s</a>",
                                    Anno->markers[MarkerIndex].marker,
                                    MemberColour.Hue, MemberColour.Saturation, MemberColour.Lightness,
                                    MemberColour.Hue, MemberColour.Saturation,
                                    StringLength(Readable), InPtr);
                        }
                        else
                        {
                            CopyStringToBuffer(&Text,
                                    "<span class=\"member\" style=\"color: hsl(%d, %d%%, %d%%);\" data-hue=\"%d\" data-saturation=\"%d%%\">%.*s</span>",
                                    MemberColour.Hue, MemberColour.Saturation, MemberColour.Lightness,
                                    MemberColour.Hue, MemberColour.Saturation,
                                    StringLength(Readable), InPtr);
                        }

                        InPtr += StringLength(Readable);
                        ++MarkerIndex;
                    }
                    else if(Anno->markers[MarkerIndex].type == HMML_PROJECT)
                    {
                        hsl_colour ProjectColour;
                        StringToColourHash(&ProjectColour, Anno->markers[MarkerIndex].marker);
                        if(Config.Edition == EDITION_NETWORK)
                        {
                            fprintf(stderr, "%s:%d - TODO(matt): Implement project hoverbox\n", __FILE__, __LINE__);
                            // NOTE(matt): We should get instructions on how to get this info in the config
                            CopyStringToBuffer(&Text,
                                    "<a class=\"project\" href=\"https://%s.handmade.network/\" target=\"blank\" style=\"color: hsl(%d, %d%%, %d%%); text-decoration: none\" data-hue=\"%d\" data-saturation=\"%d%%\">%s</a>",
                                    Anno->markers[MarkerIndex].marker,
                                    ProjectColour.Hue, ProjectColour.Saturation, ProjectColour.Lightness,
                                    ProjectColour.Hue, ProjectColour.Saturation,
                                    Readable);
                        }
                        else
                        {
                            CopyStringToBuffer(&Text,
                                    "<span class=\"project\" style=\"color: hsl(%d, %d%%, %d%%);\" data-hue=\"%d\" data-saturation=\"%d%%\">%s</span>",
                                    ProjectColour.Hue, ProjectColour.Saturation, ProjectColour.Lightness,
                                    ProjectColour.Hue, ProjectColour.Saturation,
                                    Readable);
                        }
                        InPtr += StringLength(Readable);
                        ++MarkerIndex;
                    }
                    else if(Anno->markers[MarkerIndex].type == HMML_CATEGORY)
                    {
                        switch(GenerateTopicColours(Anno->markers[MarkerIndex].marker))
                        {
                            case RC_SUCCESS:
                            case RC_NOOP:
                                break;
                            case RC_ERROR_FILE:
                            case RC_ERROR_MEMORY:
                                return RC_ERROR_FATAL;
                        };
                        if(!HasFilterMenu)
                        {
                            HasFilterMenu = TRUE;
                        }
                        InsertCategory(&Topics, &LocalTopics, &Media, &LocalMedia, Anno->markers[MarkerIndex].marker);
                    }
                }

                while(RefIndex < Anno->reference_count &&
                        InPtr - Anno->text == Anno->references[RefIndex].offset)
                {
                    HMML_Reference *CurrentRef = Anno->references + RefIndex;
                    if(!HasReferenceMenu)
                    {
                        CopyStringToBuffer(&ReferenceMenu,
                                "            <div class=\"menu references\">\n"
                                "                <span>References &#9660;</span>\n"
                                "                <div class=\"mouse_catcher\"></div>\n"
                                "                <div class=\"refs references_container\">\n");

                        if(BuildReference(ReferencesArray, RefIdentifier, UniqueRefs, CurrentRef, Anno) == 1)
                        {
                            LogError(LOG_ERROR, "Reference combination processing failed: %s:%d", Filename, Anno->line);
                            fprintf(stderr, "%s:%d: Cannot process new combination of reference info\n"
                                    "\n"
                                    "Either tweak your annotation, or contact matt@handmadedev.org\n"
                                    "mentioning the ref node you want to write and how you want it to\n"
                                    "appear in the references menu\n", Filename, Anno->line);
                            hmml_free(&HMML);
                            return RC_INVALID_REFERENCE;
                        }
                        ++ReferencesArray[RefIdentifier - 1].IdentifierCount;
                        ++UniqueRefs;

                        HasReferenceMenu = TRUE;
                    }
                    else
                    {
                        for(int i = 0; i < UniqueRefs; ++i)
                        {
                            if(ReferencesArray[i].IdentifierCount == REF_MAX_IDENTIFIER)
                            {
                                LogError(LOG_EMERGENCY, "REF_MAX_IDENTIFIER (%d) reached. Contact matt@handmadedev.org", REF_MAX_IDENTIFIER);
                                fprintf(stderr, "%s:%d: Too many timecodes associated with one reference (increase REF_MAX_IDENTIFIER)\n", Filename, Anno->line);
                                hmml_free(&HMML);
                                return RC_ERROR_MAX_REFS;
                            }
                            if(CurrentRef->isbn)
                            {
                                if(!StringsDiffer(CurrentRef->isbn, ReferencesArray[i].ID))
                                {
                                    CopyString(ReferencesArray[i].Identifier[ReferencesArray[i].IdentifierCount].Timecode, Anno->time);
                                    ReferencesArray[i].Identifier[ReferencesArray[i].IdentifierCount].Identifier = RefIdentifier;
                                    ++ReferencesArray[i].IdentifierCount;
                                    goto AppendedIdentifier;
                                }
                            }
                            else if(CurrentRef->url)
                            {
                                if(!StringsDiffer(CurrentRef->url, ReferencesArray[i].ID))
                                {
                                    CopyString(ReferencesArray[i].Identifier[ReferencesArray[i].IdentifierCount].Timecode, Anno->time);
                                    ReferencesArray[i].Identifier[ReferencesArray[i].IdentifierCount].Identifier = RefIdentifier;
                                    ++ReferencesArray[i].IdentifierCount;
                                    goto AppendedIdentifier;
                                }
                            }
                            else
                            {
                                LogError(LOG_ERROR, "Reference missing ISBN or URL: %s:%d", Filename, Anno->line);
                                fprintf(stderr, "%s:%d: Reference must have an ISBN or URL\n", Filename, Anno->line);
                                hmml_free(&HMML);
                                return RC_INVALID_REFERENCE;
                            }
                        }

                        if(BuildReference(ReferencesArray, RefIdentifier, UniqueRefs, CurrentRef, Anno) == 1)
                        {
                            LogError(LOG_ERROR, "Reference combination processing failed: %s:%d", Filename, Anno->line);
                            fprintf(stderr, "%s:%d: Cannot process new combination of reference info\n"
                                    "\n"
                                    "Either tweak your annotation, or contact matt@handmadedev.org\n"
                                    "mentioning the ref node you want to write and how you want it to\n"
                                    "appear in the references menu\n", Filename, Anno->line);
                            hmml_free(&HMML);
                            return RC_INVALID_REFERENCE;
                        }
                        ++ReferencesArray[UniqueRefs].IdentifierCount;
                        ++UniqueRefs;
                    }
AppendedIdentifier:
                    if(!HasReference)
                    {
                        if(CurrentRef->isbn)
                        {
                            CopyStringToBuffer(&AnnotationData, " data-ref=\"%s", CurrentRef->isbn);
                        }
                        else if(CurrentRef->url)
                        {
                            CopyStringToBuffer(&AnnotationData, " data-ref=\"%s", CurrentRef->url);
                        }
                        else
                        {
                            LogError(LOG_ERROR, "Reference missing ISBN or URL: %s:%d", Filename, Anno->line);
                            fprintf(stderr, "%s:%d: Reference must have an ISBN or URL\n", Filename, Anno->line);
                            hmml_free(&HMML);
                            return RC_INVALID_REFERENCE;
                        }

                        HasReference = TRUE;
                    }
                    else
                    {
                        if(CurrentRef->isbn)
                        {
                            CopyStringToBuffer(&AnnotationData, ",%s", CurrentRef->isbn);
                        }
                        else if(CurrentRef->url)
                        {
                            CopyStringToBuffer(&AnnotationData, ",%s", CurrentRef->url);
                        }
                        else
                        {
                            LogError(LOG_ERROR, "Reference missing ISBN or URL: %s:%d", Filename, Anno->line);
                            fprintf(stderr, "%s:%d: Reference must have an ISBN or URL", Filename, Anno->line);
                            hmml_free(&HMML);
                            return RC_INVALID_REFERENCE;
                        }
                    }

                    if(Anno->references[RefIndex].offset == Anno->references[RefIndex-1].offset)
                    {
                        CopyStringToBuffer(&Text, "<sup>,%d</sup>", RefIdentifier);
                    }
                    else
                    {
                        CopyStringToBuffer(&Text, "<sup>%d</sup>", RefIdentifier);
                    }

                    ++RefIndex;
                    ++RefIdentifier;
                }

                if(*InPtr)
                {
                    switch(*InPtr)
                    {
                        case '<':
                            CopyStringToBuffer(&Text, "&lt;");
                            InPtr++;
                            break;
                        case '>':
                            CopyStringToBuffer(&Text, "&gt;");
                            InPtr++;
                            break;
                        case '&':
                            CopyStringToBuffer(&Text, "&amp;");
                            InPtr++;
                            break;
                        case '\"':
                            CopyStringToBuffer(&Text, "&quot;");
                            InPtr++;
                            break;
                        case '\'':
                            CopyStringToBuffer(&Text, "&#39;");
                            InPtr++;
                            break;
                        default:
                            *Text.Ptr++ = *InPtr++;
                            *Text.Ptr = '\0';
                            break;
                    }
                }
            }

            if(Anno->is_quote)
            {
                if(!HasQuoteMenu)
                {
                    CopyStringToBuffer(&QuoteMenu,
                            "            <div class=\"menu quotes\">\n"
                            "                <span>Quotes &#9660;</span>\n"
                            "                <div class=\"mouse_catcher\"></div>\n"
                            "                <div class=\"refs quotes_container\">\n");

                    HasQuoteMenu = TRUE;
                }

                if(!HasReference)
                {
                    CopyStringToBuffer(&AnnotationData, " data-ref=\"&#%d;", QuoteIdentifier);
                }
                else
                {
                    CopyStringToBuffer(&AnnotationData, ",&#%d;", QuoteIdentifier);
                }

                HasQuote = TRUE;

                char *Speaker = Anno->quote.author ? Anno->quote.author : HMML.metadata.stream_username ? HMML.metadata.stream_username : HMML.metadata.member;
                if(BuildQuote(&QuoteInfo,
                            Speaker,
                            Anno->quote.id) == 1)
                {
                    LogError(LOG_ERROR, "Quote #%s %d not found: %s:%d", Speaker, Anno->quote.id, Filename, Anno->line);
                    fprintf(stderr, "%s:%d: Quote #%s %d not found. Skipping this file...\n",
                            Filename,
                            Anno->line,
                            Speaker,
                            Anno->quote.id);
                    hmml_free(&HMML);
                    return RC_ERROR_QUOTE;
                }

                CopyStringToBuffer(&QuoteMenu,
                        "                    <a target=\"_blank\" class=\"ref\" href=\"https://dev.abaines.me.uk/quotes/%s/%d\">\n"
                        "                        <span data-id=\"&#%d;\">\n"
                        "                            <span class=\"ref_content\">\n"
                        "                                <div class=\"source\">Quote %d</div>\n"
                        "                                <div class=\"ref_title\">",
                        Speaker,
                        Anno->quote.id,
                        QuoteIdentifier,
                        Anno->quote.id);

                CopyStringToBufferHTMLSafe(&QuoteMenu, QuoteInfo.Text);

                CopyStringToBuffer(&QuoteMenu, "</div>\n"
                        "                                <div class=\"quote_byline\">&mdash;%s, %s</div>\n"
                        "                            </span>\n"
                        "                            <div class=\"ref_indices\">\n"
                        "                                <span data-timestamp=\"%d\" class=\"timecode\"><span class=\"ref_index\">[&#%d;]</span><span class=\"time\">%s</span></span>\n"
                        "                            </div>\n"
                        "                        </span>\n"
                        "                    </a>\n",
                        Speaker,
                        QuoteInfo.Date,
                        TimecodeToSeconds(Anno->time),
                        QuoteIdentifier,
                        Anno->time);
                if(!Anno->text[0])
                {
                    CopyStringToBuffer(&Text, "&#8220;");
                    CopyStringToBufferHTMLSafe(&Text, QuoteInfo.Text);
                    CopyStringToBuffer(&Text, "&#8221;");
                }
                CopyStringToBuffer(&Text, "<sup>&#%d;</sup>", QuoteIdentifier);
                ++QuoteIdentifier;
            }

            while(MarkerIndex < Anno->marker_count)
            {
                switch(GenerateTopicColours(Anno->markers[MarkerIndex].marker))
                {
                    case RC_SUCCESS:
                    case RC_NOOP:
                        break;
                    case RC_ERROR_FILE:
                    case RC_ERROR_MEMORY:
                        return RC_ERROR_FATAL;
                };
                if(!HasFilterMenu)
                {
                    HasFilterMenu = TRUE;
                }
                InsertCategory(&Topics, &LocalTopics, &Media, &LocalMedia, Anno->markers[MarkerIndex].marker);
                ++MarkerIndex;
            }

            if(LocalMedia.Count == 0)
            {
                InsertCategory(&Topics, &LocalTopics, &Media, &LocalMedia, Config.DefaultMedium);
            }

            BuildCategories(&AnnotationClass, &TopicDots, &LocalTopics, &LocalMedia, &MarkerIndex);
            CopyBuffer(&AnnotationHeader, &AnnotationClass);

            if(HasQuote || HasReference)
            {
                CopyStringToBuffer(&AnnotationData, "\"");
                CopyBuffer(&AnnotationHeader, &AnnotationData);
            }
            CopyStringToBuffer(&AnnotationHeader, ">\n");

            CopyBuffer(&Annotation, &AnnotationHeader);
            CopyStringToBuffer(&Annotation,
                    "                    <div class=\"content\"><span class=\"timecode\">%s</span>",
                    Anno->time);

            CopyBuffer(&Annotation, &Text);

            if(LocalTopics.Count > 0)
            {
                CopyBuffer(&Annotation, &TopicDots);
            }

            CopyStringToBuffer(&Annotation, "</div>\n"
                    "                    <div class=\"progress faded\">\n"
                    "                        <div class=\"content\"><span class=\"timecode\">%s</span>",
                    Anno->time);

            CopyBuffer(&Annotation, &Text);

            if(LocalTopics.Count > 0)
            {
                CopyBuffer(&Annotation, &TopicDots);
            }

            CopyStringToBuffer(&Annotation, "</div>\n"
                    "                    </div>\n"
                    "                    <div class=\"progress main\">\n"
                    "                        <div class=\"content\"><span class=\"timecode\">%s</span>",
                    Anno->time);

            CopyBuffer(&Annotation, &Text);

            if(LocalTopics.Count > 0)
            {
                CopyBuffer(&Annotation, &TopicDots);
            }

            CopyStringToBuffer(&Annotation, "</div>\n"
                    "                    </div>\n"
                    "                </div>\n");

            CopyBuffer(&CollationBuffers->Player, &Annotation);

            // NOTE(matt): Tree structure of "annotation local" buffer dependencies
            //         TopicDots
            //     Text
            //         AnnotationData
            //         AnnotationClass
            //     AnnotationHeader
            // Annotation

            DeclaimBuffer(&TopicDots);
            DeclaimBuffer(&Text);
            DeclaimBuffer(&AnnotationData);
            DeclaimBuffer(&AnnotationClass);
            DeclaimBuffer(&AnnotationHeader);
            DeclaimBuffer(&Annotation);
        }
        CopyStringToBuffer(&CollationBuffers->Search, "---\n");

#if DEBUG
        printf("\n\n --- End of Annotations Loop ---\n\n\n\n");
#endif
        if(HasQuoteMenu)
        {
            CopyStringToBuffer(&QuoteMenu,
                    "                </div>\n"
                    "            </div>\n");
            CopyBuffer(&CollationBuffers->Menus, &QuoteMenu);
        }

        if(HasReferenceMenu)
        {
            for(int i = 0; i < UniqueRefs; ++i)
            {
                CopyStringToBuffer(&ReferenceMenu,
                        "                    <a data-id=\"%s\" href=\"%s\" target=\"_blank\" class=\"ref\">\n"
                        "                        <span class=\"ref_content\">\n",
                        ReferencesArray[i].ID,
                        ReferencesArray[i].URL);

                if(*ReferencesArray[i].Source)
                {
                    CopyStringToBuffer(&ReferenceMenu,
                            "                            <div class=\"source\">");
                    CopyStringToBufferHTMLSafe(&ReferenceMenu, ReferencesArray[i].Source);
                    CopyStringToBuffer(&ReferenceMenu, "</div>\n"
                            "                            <div class=\"ref_title\">");
                    CopyStringToBufferHTMLSafe(&ReferenceMenu, ReferencesArray[i].RefTitle);
                    CopyStringToBuffer(&ReferenceMenu, "</div>\n");
                }
                else
                {
                    CopyStringToBuffer(&ReferenceMenu,
                            "                            <div class=\"ref_title\">");
                    CopyStringToBufferHTMLSafe(&ReferenceMenu, ReferencesArray[i].RefTitle);
                    CopyStringToBuffer(&ReferenceMenu, "</div>\n");
                }
                CopyStringToBuffer(&ReferenceMenu,
                        "                        </span>\n");

                for(int j = 0; j < ReferencesArray[i].IdentifierCount;)
                {
                    CopyStringToBuffer(&ReferenceMenu,
                            "                        <div class=\"ref_indices\">\n                            ");
                    for(int k = 0; k < 3 && j < ReferencesArray[i].IdentifierCount; ++k, ++j)
                    {
                        CopyStringToBuffer(&ReferenceMenu,
                                "<span data-timestamp=\"%d\" class=\"timecode\"><span class=\"ref_index\">[%d]</span><span class=\"time\">%s</span></span>",
                                TimecodeToSeconds(ReferencesArray[i].Identifier[j].Timecode),
                                ReferencesArray[i].Identifier[j].Identifier,
                                ReferencesArray[i].Identifier[j].Timecode);
                    }
                    CopyStringToBuffer(&ReferenceMenu, "\n"
                            "                        </div>\n");
                }

                CopyStringToBuffer(&ReferenceMenu,
                        "                    </a>\n");
            }

            CopyStringToBuffer(&ReferenceMenu,
                    "                </div>\n"
                    "            </div>\n");
            CopyBuffer(&CollationBuffers->Menus, &ReferenceMenu);
        }

        if(HasFilterMenu)
        {
            CopyStringToBuffer(&FilterState, "<script>\n"
                    "        var filterInitState = {\n");
            for(int i = 0; i < Topics.Count; ++i)
            {
                CopyStringToBuffer(&FilterState, "\"%s\":\t{ \"type\": \"%s\",\t\"off\": false },\n",
                        Topics.Category[i].Marker, "topic");
            }
            for(int i = 0; i < Media.Count; ++i)
            {
                if(!StringsDiffer(Media.Category[i].Marker, "afk")) // TODO(matt): Make this configurable?
                {
                    CopyStringToBuffer(&FilterState, "\"%s\":\t{ \"type\": \"%s\",\t\"off\": true },\n",
                            Media.Category[i].Marker, "medium");
                }
                else
                {
                    CopyStringToBuffer(&FilterState, "\"%s\":\t{ \"type\": \"%s\",\t\"off\": false },\n",
                            Media.Category[i].Marker, "medium");
                }
            }
            CopyStringToBuffer(&FilterState,
                    "        };\n"
                    "\n"
                    "        var filterState = {\n");
            for(int i = 0; i < Topics.Count; ++i)
            {
                CopyStringToBuffer(&FilterState, "\"%s\":\t{ \"type\": \"%s\",\t\"off\": false },\n",
                        Topics.Category[i].Marker, "topic");
            }
            for(int i = 0; i < Media.Count; ++i)
            {
                if(!StringsDiffer(Media.Category[i].Marker, "afk")) // TODO(matt): Make this configurable?
                {
                    CopyStringToBuffer(&FilterState, "\"%s\":\t{ \"type\": \"%s\",\t\"off\": true },\n",
                            Media.Category[i].Marker, "medium");
                }
                else
                {
                    CopyStringToBuffer(&FilterState, "\"%s\":\t{ \"type\": \"%s\",\t\"off\": false },\n",
                            Media.Category[i].Marker, "medium");
                }
            }

            CopyStringToBuffer(&FilterState,
                    "        };\n"
                    "        </script>\n");

            char URLPrefix[1024] = { 0 };
            char *Ptr = URLPrefix;

            if(StringsDiffer(Config.RootURL, ""))
            {
                Ptr += CopyString(Ptr, "%s/", Config.RootURL);
            }
            else
            {
                if(Config.Edition == EDITION_PROJECT)
                {
                    Ptr += CopyString(Ptr, "../");
                }
                if(StringsDiffer(Config.ImagesDir, ""))
                {
                    Ptr += CopyString(Ptr, "%s/", Config.ImagesDir);
                }
            }

            if(Config.Edition == EDITION_PROJECT)
            {
                if(!StringsDiffer(Config.RootURL, ""))
                {
                    char Temp[1027];
                    CopyString(Temp, "../%s", URLPrefix);
                    CopyString(URLPrefix, Temp);
                }
            }
            CopyStringToBuffer(&FilterMenu,
                    "            <div class=\"menu filter\">\n"
                    "                <span><img src=\"%scinera_icon_filter.png\"></span>\n"
                    "                <div class=\"filter_container\">\n"
                    "                    <div class=\"filter_mode inclusive\">Filter mode: </div>\n"
                    "                    <div class=\"filters\">\n",
                    URLPrefix);

            if(Topics.Count > 0)
            {
                CopyStringToBuffer(&FilterMenu,
                        "                        <div class=\"filter_topics\">\n"
                        "                            <div class=\"filter_title\">Topics</div>\n");
                for(int i = 0; i < Topics.Count; ++i)
                {
                    CopyStringToBuffer(&FilterTopics,
                            "                            <div class=\"filter_content %s\">\n"
                            "                                <span class=\"icon category %s\"></span><span class=\"text\">%s</span>\n"
                            "                            </div>\n",
                            Topics.Category[i].Marker,
                            Topics.Category[i].Marker,
                            Topics.Category[i].Marker);
                }
                CopyStringToBuffer(&FilterTopics,
                        "                        </div>\n");
                CopyBuffer(&FilterMenu, &FilterTopics);
            }

            if(Media.Count > 0)
            {
                CopyStringToBuffer(&FilterMedia,
                        "                        <div class=\"filter_media\">\n"
                        "                            <div class=\"filter_title\">Media</div>\n");
                for(int i = 0; i < Media.Count; ++i)
                {
                    int j;
                    for(j = 0; j < ArrayCount(CategoryMedium); ++j)
                    {
                        if(!StringsDiffer(Media.Category[i].Marker, CategoryMedium[j].Medium))
                        {
                            break;
                        }
                    }

                    if(!StringsDiffer(Media.Category[i].Marker, "afk")) // TODO(matt): Initially hidden config
                    {
                        CopyStringToBuffer(&FilterMedia,
                                "                            <div class=\"filter_content %s off\">\n"
                                "                                <span class=\"icon\">%s</span><span class=\"text\">%s</span>\n"
                                "                            </div>\n",
                                Media.Category[i].Marker,
                                CategoryMedium[j].Icon,
                                CategoryMedium[j].WrittenName
                                );
                    }
                    else
                    {
                        CopyStringToBuffer(&FilterMedia,
                                "                            <div class=\"filter_content %s\">\n"
                                "                                <span class=\"icon\">%s</span><span class=\"text\">%s</span>\n"
                                "                            </div>\n",
                                Media.Category[i].Marker,
                                CategoryMedium[j].Icon,
                                CategoryMedium[j].WrittenName
                                );
                    }
                }
                CopyStringToBuffer(&FilterMedia,
                        "                        </div>\n");
                CopyBuffer(&FilterMenu, &FilterMedia);
            }

            CopyStringToBuffer(&FilterMenu,
                    "                    </div>\n"
                    "                </div>\n"
                    "            </div>\n");

            CopyBuffer(&CollationBuffers->Menus, &FilterMenu);

        }

        if(HasCreditsMenu)
        {
            CopyBuffer(&CollationBuffers->Menus, &CreditsMenu);
        }

        CopyStringToBuffer(&CollationBuffers->Menus,
                "            <div class=\"help\">\n"
                "                <span>?</span>\n"
                "                <div class=\"help_container\">\n"
                "                    <span class=\"help_key\">?</span><h1>Keyboard Navigation</h1>\n"
                "\n"
                "                    <h2>Global Keys</h2>\n"
                "                    <span class=\"help_key\">W</span>, <span class=\"help_key\">A</span>, <span class=\"help_key\">P</span> / <span class=\"help_key\">S</span>, <span class=\"help_key\">D</span>, <span class=\"help_key\">N</span> <span class=\"help_text\">Jump to previous / next marker</span><br>\n");

        if(HasFilterMenu)
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <span class=\"help_key\">z</span> <span class=\"help_text\">Toggle filter mode</span> <span class=\"help_key\">V</span> <span class=\"help_text\">Revert filter to original state</span>\n");
        }
        else
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <span class=\"help_key unavailable\">z</span> <span class=\"help_text unavailable\">Toggle filter mode</span> <span class=\"help_key unavailable\">V</span> <span class=\"help_text unavailable\">Revert filter to original state</span>\n");
        }

        CopyStringToBuffer(&CollationBuffers->Menus,
                "\n"
                "                    <h2>Menu toggling</h2>\n");

        if(HasQuoteMenu)
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <span class=\"help_key\">q</span> <span class=\"help_text\">Quotes</span>\n");
        }
        else
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <span class=\"help_key unavailable\">q</span> <span class=\"help_text unavailable\">Quotes</span>\n");
        }

        if(HasReferenceMenu)
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <span class=\"help_key\">r</span> <span class=\"help_text\">References</span>\n");
        }
        else
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <span class=\"help_key unavailable\">r</span> <span class=\"help_text unavailable\">References</span>\n");
        }

        if(HasFilterMenu)
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <span class=\"help_key\">f</span> <span class=\"help_text\">Filter</span>\n");
        }
        else
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <span class=\"help_key unavailable\">f</span> <span class=\"help_text unavailable\">Filter</span>\n");
        }

        if(HasCreditsMenu)
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <span class=\"help_key\">c</span> <span class=\"help_text\">Credits</span>\n");
        }
        else
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <span class=\"help_key unavailable\">c</span> <span class=\"help_text unavailable\">Credits</span>\n");
        }

        CopyStringToBuffer(&CollationBuffers->Menus,
                "\n"
                "                    <h2>Movement</h2>\n"
                "                    <div class=\"help_paragraph\">\n"
                "                        <div class=\"key_block\">\n"
                "                            <div class=\"key_column\" style=\"flex-grow: 1\">\n"
                "                                <span class=\"help_key\">a</span>\n"
                "                            </div>\n"
                "                            <div class=\"key_column\" style=\"flex-grow: 2\">\n"
                "                                <span class=\"help_key\">w</span><br>\n"
                "                                <span class=\"help_key\">s</span>\n"
                "                            </div>\n"
                "                            <div class=\"key_column\" style=\"flex-grow: 1\">\n"
                "                                <span class=\"help_key\">d</span>\n"
                "                            </div>\n"
                "                        </div>\n"
                "                        <div class=\"key_block\">\n"
                "                            <span class=\"help_key\">h</span>\n"
                "                            <span class=\"help_key\">j</span>\n"
                "                            <span class=\"help_key\">k</span>\n"
                "                            <span class=\"help_key\">l</span>\n"
                "                        </div>\n"
                "                        <div class=\"key_block\">\n"
                "                            <div style=\"flex-grow: 1\">\n"
                "                                <span class=\"help_key\">←</span>\n"
                "                            </div>\n"
                "                            <div style=\"flex-grow: 2\">\n"
                "                                <span class=\"help_key\">↑</span><br>\n"
                "                                <span class=\"help_key\">↓</span>\n"
                "                            </div>\n"
                "                            <div style=\"flex-grow: 1\">\n"
                "                                <span class=\"help_key\">→</span>\n"
                "                            </div>\n"
                "                        </div>\n"
                "                    </div>\n"
                "                    <br>\n");

        if(HasQuoteMenu)
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <h2>Quotes ");
            if(HasReferenceMenu)
            {
                CopyStringToBuffer(&CollationBuffers->Menus, "and References Menus</h2>\n");
            }
            else
            {
                CopyStringToBuffer(&CollationBuffers->Menus, "<span class=\"unavailable\">and References</span> Menus</h2>\n");
            }
        }
        else
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <h2><span class=\"unavailable\">Quotes");
            if(HasReferenceMenu)
            {
                CopyStringToBuffer(&CollationBuffers->Menus, " and</span> References Menus</h2>\n");
            }
            else
            {
                CopyStringToBuffer(&CollationBuffers->Menus, " and References Menus</span></h2>\n");
            }
        }

        if(HasQuoteMenu || HasReferenceMenu)
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <span style=\"width: auto\" class=\"help_key\">Enter</span> <span class=\"help_text\">Jump to timecode</span><br>\n");
        }
        else
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <span style=\"width: auto\" class=\"help_key unavailable\">Enter</span> <span class=\"help_text unavailable\">Jump to timecode</span><br>\n");
        }

        CopyStringToBuffer(&CollationBuffers->Menus, "\n");

        if(HasQuoteMenu)
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <h2>Quotes");
            if(HasReferenceMenu)
            {
                CopyStringToBuffer(&CollationBuffers->Menus, ", References ");
                if(HasCreditsMenu)
                {
                    CopyStringToBuffer(&CollationBuffers->Menus, "and Credits Menus</h2>");
                }
                else
                {
                    CopyStringToBuffer(&CollationBuffers->Menus, "<span class=\"unavailable\">and Credits</span> Menus</h2>");
                }
            }
            else
            {
                CopyStringToBuffer(&CollationBuffers->Menus, "<span class=\"unavailable\">, References ");
                if(HasCreditsMenu)
                {
                    CopyStringToBuffer(&CollationBuffers->Menus, "</span>and Credits Menus</h2>");
                }
                else
                {
                    CopyStringToBuffer(&CollationBuffers->Menus, "and Credits</span> Menus</h2>");
                }
            }
        }
        else
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <h2><span class=\"unavailable\">Quotes");
            if(HasReferenceMenu)
            {
                CopyStringToBuffer(&CollationBuffers->Menus, ", </span>References ");
                if(HasCreditsMenu)
                {
                    CopyStringToBuffer(&CollationBuffers->Menus, "and Credits Menus</h2>");
                }
                else
                {
                    CopyStringToBuffer(&CollationBuffers->Menus, "<span class=\"unavailable\">and Credits</span> Menus</h2>");
                }
            }
            else
            {
                CopyStringToBuffer(&CollationBuffers->Menus, ", References ");
                if(HasCreditsMenu)
                {
                    CopyStringToBuffer(&CollationBuffers->Menus, "</span>and Credits Menus</h2>");
                }
                else
                {
                    CopyStringToBuffer(&CollationBuffers->Menus, "and Credits Menus</h2></span>");
                }
            }
        }

        CopyStringToBuffer(&CollationBuffers->Menus, "\n");

        if(HasQuoteMenu || HasReferenceMenu || HasCreditsMenu)
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <span class=\"help_key\">o</span> <span class=\"help_text\">Open URL (in new tab)</span>\n");
        }
        else
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <span class=\"help_key unavailable\">o</span> <span class=\"help_text unavailable\">Open URL (in new tab)</span>\n");
        }

        CopyStringToBuffer(&CollationBuffers->Menus,
                "\n");

        if(HasFilterMenu)
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <h2>Filter Menu</h2>\n"
                    "                    <span class=\"help_key\">x</span>, <span style=\"width: auto\" class=\"help_key\">Space</span> <span class=\"help_text\">Toggle category and focus next</span><br>\n"
                    "                    <span class=\"help_key\">X</span>, <span style=\"width: auto; margin-right: 0px\" class=\"help_key\">Shift</span><span style=\"width: auto\" class=\"help_key\">Space</span> <span class=\"help_text\">Toggle category and focus previous</span><br>\n"
                    "                    <span class=\"help_key\">v</span> <span class=\"help_text\">Invert topics / media as per focus</span>\n");
        }
        else
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <h2><span class=\"unavailable\">Filter Menu</span></h2>\n"
                    "                    <span class=\"help_key unavailable\">x</span>, <span style=\"width: auto\" class=\"help_key unavailable\">Space</span> <span class=\"help_text unavailable\">Toggle category and focus next</span><br>\n"
                    "                    <span class=\"help_key unavailable\">X</span>, <span style=\"width: auto; margin-right: 0px\" class=\"help_key unavailable\">Shift</span><span style=\"width: auto\" class=\"help_key unavailable\">Space</span> <span class=\"help_text unavailable\">Toggle category and focus previous</span><br>\n"
                    "                    <span class=\"help_key unavailable\">v</span> <span class=\"help_text unavailable\">Invert topics / media as per focus</span>\n");
        }

        CopyStringToBuffer(&CollationBuffers->Menus, "\n");

        if(HasCreditsMenu)
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <h2>Credits Menu</h2>\n"
                    "                    <span style=\"width: auto\" class=\"help_key\">Enter</span> <span class=\"help_text\">Open URL (in new tab)</span><br>\n");
        }
        else
        {
            CopyStringToBuffer(&CollationBuffers->Menus,
                    "                    <h2><span class=\"unavailable\">Credits Menu</span></h2>\n"
                    "                    <span style=\"width: auto\" class=\"help_key unavailable\">Enter</span> <span class=\"help_text unavailable\">Open URL (in new tab)</span><br>\n");
        }

        CopyStringToBuffer(&CollationBuffers->Menus,
                "                </div>\n"
                "            </div>\n"

                "        </div>");

        CopyStringToBuffer(&CollationBuffers->Player,
                "            </div>\n"
                "        </div>");

        // TODO(matt): Maybe do something about indentation levels

        char URLPrefix[1024] = { 0 };
        char *Ptr = URLPrefix;
        if(StringsDiffer(Config.RootURL, ""))
        {
            Ptr += CopyString(Ptr, "%s/", Config.RootURL);
        }
        else
        {
            if(Config.Edition == EDITION_PROJECT)
            {
                Ptr += CopyString(Ptr, "../");
            }
        }
        if(StringsDiffer(Config.CSSDir, ""))
        {
            CopyString(Ptr, "%s/", Config.CSSDir);
        }

        CopyStringToBuffer(&CollationBuffers->IncludesIndex,
                "<link rel=\"stylesheet\" type=\"text/css\" href=\"%scinera.css\">\n"
                "        <link rel=\"stylesheet\" type=\"text/css\" href=\"%scinera__%s.css\">\n"
                "        <link rel=\"stylesheet\" type=\"text/css\" href=\"%scinera_topics.css\">\n"
                "        <style>body { overflow-y: scroll; }</style>\n"
                "\n"
                "        <meta charset=\"UTF-8\">\n"
                "        <meta name=\"generator\" content=\"Cinera %d.%d.%d\">\n",
                URLPrefix,
                URLPrefix, HMML.metadata.project,
                URLPrefix,

                CINERA_APP_VERSION.Major,
                CINERA_APP_VERSION.Minor,
                CINERA_APP_VERSION.Patch);

        if(Config.Edition == EDITION_PROJECT)
        {
            if(!StringsDiffer(Config.RootURL, ""))
            {
                char Temp[1027];
                CopyString(Temp, "../%s", URLPrefix);
                CopyString(URLPrefix, Temp);
            }
        }

        CopyStringToBuffer(&CollationBuffers->IncludesPlayer,
                "<link rel=\"stylesheet\" type=\"text/css\" href=\"%scinera.css\">\n"
                "        <link rel=\"stylesheet\" type=\"text/css\" href=\"%scinera__%s.css\">\n"
                "        <link rel=\"stylesheet\" type=\"text/css\" href=\"%scinera_topics.css\">\n"
               "\n"
                "        <meta charset=\"UTF-8\">\n"
                "        <meta name=\"generator\" content=\"Cinera %d.%d.%d\">\n",
                URLPrefix,
                URLPrefix, HMML.metadata.project,
                URLPrefix,

                CINERA_APP_VERSION.Major,
                CINERA_APP_VERSION.Minor,
                CINERA_APP_VERSION.Patch);

        if(Topics.Count || Media.Count)
        {
            CopyStringToBuffer(&CollationBuffers->IncludesPlayer,
                    "        <meta name=\"keywords\" content=\"");

            if(Topics.Count > 0)
            {
                for(int i = 0; i < Topics.Count; ++i)
                {
                    CopyStringToBuffer(&CollationBuffers->IncludesPlayer, "%s, ", Topics.Category[i].Marker);
                }
            }

            if(Media.Count > 0)
            {
                for(int i = 0; i < Media.Count; ++i)
                {
                    CopyStringToBuffer(&CollationBuffers->IncludesPlayer, "%s, ", Media.Category[i].WrittenText);
                }
            }

            CollationBuffers->IncludesPlayer.Ptr -= 2;
            CopyStringToBuffer(&CollationBuffers->IncludesPlayer, "\">\n\n");
        }

        if(Config.Edition == EDITION_PROJECT)
        {
            if(!StringsDiffer(Config.RootURL, ""))
            {
                Ptr = URLPrefix;
                Ptr += StringLength("../../");
                Ptr += CopyString(Ptr, "%s", Config.JSDir);
                if(StringsDiffer(Config.JSDir, ""))
                {
                    Ptr[0] = '/';
                    Ptr[1] = '\0';
                }
            }
        }

        CopyStringToBuffer(&CollationBuffers->IncludesPlayer,
                "        <script type=\"text/javascript\" src=\"%scinera_player_pre.js\"></script>\n",
                URLPrefix);

        CopyStringToBuffer(&CollationBuffers->ScriptPlayer,
                "        <script type=\"text/javascript\" src=\"%scinera_player_post.js\"></script>\n",
                URLPrefix);

        if(HasFilterMenu)
        {
            CopyBuffer(&CollationBuffers->ScriptPlayer, &FilterState);
        }

        // NOTE(matt): Tree structure of "global" buffer dependencies
        //          FilterState
        //          CreditsMenu
        //              FilterMedia
        //              FilterTopics
        //          FilterMenu
        //          ReferenceMenu
        //          QuoteMenu

Cleanup:
        DeclaimBuffer(&FilterState);

        DeclaimBuffer(&CreditsMenu);
        DeclaimBuffer(&FilterMedia);
        DeclaimBuffer(&FilterTopics);
        DeclaimBuffer(&FilterMenu);
        DeclaimBuffer(&ReferenceMenu);
        DeclaimBuffer(&QuoteMenu);
    }
    else
    {
        LogError(LOG_ERROR, "%s:%d: %s", Filename, HMML.error.line, HMML.error.message);
        fprintf(stderr, "%s:%d: %s\n", Filename, HMML.error.line, HMML.error.message);
        hmml_free(&HMML);
        return RC_ERROR_HMML;
    }
    hmml_free(&HMML);
    return RC_SUCCESS;
}

int
BuffersToHTML(buffers *CollationBuffers, template *Template, char *OutputPath, int PageType)
{
#if DEBUG
    printf("\n\n --- Buffer Collation ---\n"
            " %s\n\n\n", OutputPath ? OutputPath : Config->OutLocation);
#endif

#if DEBUG_MEM
    FILE *MemLog = fopen("/home/matt/cinera_mem", "a+");
    fprintf(MemLog, "\nEntered BuffersToHTML(%s)\n", OutputPath ? OutputPath : Config->OutLocation);
    fclose(MemLog);
#endif

    if(Config.Mode == MODE_INTEGRATE)
    {
        if(Template->Metadata.Validity & PageType)
        {
            buffer Output;
            Output.Size = Template->Buffer.Size + (Kilobytes(512));
            Output.ID = "Output";
            if(!(Output.Location = malloc(Output.Size)))
            {
                LogError(LOG_ERROR, "BuffersToHTML(): %s",
                        strerror(errno));
                return RC_ERROR_MEMORY;
            }

#if DEBUG_MEM
            MemLog = fopen("/home/matt/cinera_mem", "a+");
            fprintf(MemLog, " Allocated Output (%d)\n", Output.Size);
            fclose(MemLog);
            printf(" Allocated Output (%d)\n", Output.Size);
#endif

            Output.Ptr = Output.Location;

            Template->Buffer.Ptr = Template->Buffer.Location;
            for(int i = 0; i < Template->Metadata.TagCount; ++i)
            {
                int j = 0;
                while(Template->Metadata.Tag[i].Offset > j)
                {
                    *Output.Ptr++ = *Template->Buffer.Ptr++;
                    ++j;
                }

                switch(Template->Metadata.Tag[i].TagCode)
                {
                    case TAG_TITLE:
                        CopyStringToBuffer(&Output, CollationBuffers->Title);
                        break;
                    case TAG_INDEX:
                        CopyBuffer(&Output, &CollationBuffers->Index);
                        break;
                    case TAG_INCLUDES:
                        CopyBuffer(&Output, PageType == PAGE_PLAYER ? &CollationBuffers->IncludesPlayer : &CollationBuffers->IncludesIndex);
                        break;
                    case TAG_MENUS:
                        CopyBuffer(&Output, &CollationBuffers->Menus);
                        break;
                    case TAG_PLAYER:
                        CopyBuffer(&Output, &CollationBuffers->Player);
                        break;
                    case TAG_SCRIPT:
                        CopyBuffer(&Output, &CollationBuffers->ScriptPlayer);
                        break;
                }
                DepartComment(&Template->Buffer);
            }
            while(Template->Buffer.Ptr - Template->Buffer.Location < Template->Buffer.Size)
            {
                *Output.Ptr++ = *Template->Buffer.Ptr++;
            }

            FILE *OutFile;
            if(!(OutFile = fopen(Config.Edition == EDITION_PROJECT ? OutputPath : Config.OutIntegratedLocation, "w")))
            {
                LogError(LOG_ERROR, "Unable to open output file %s: %s", Config.Edition == EDITION_PROJECT ? OutputPath : Config.OutIntegratedLocation, strerror(errno));
                free(Output.Location);

#if DEBUG_MEM
                MemLog = fopen("/home/matt/cinera_mem", "a+");
                fprintf(MemLog, "     Freed Output\n");
                fclose(MemLog);
                printf("     Freed Output\n");
#endif

                return RC_ERROR_FILE;
            }
            fwrite(Output.Location, Output.Ptr - Output.Location, 1, OutFile);
            fclose(OutFile);

            free(Output.Location);

#if DEBUG_MEM
            MemLog = fopen("/home/matt/cinera_mem", "a+");
            fprintf(MemLog, "     Freed Output\n");
            fclose(MemLog);
            printf("     Freed Output\n");
#endif

            return RC_SUCCESS;
        }
        else
        {
            return RC_INVALID_TEMPLATE;
        }
    }
    else
    {
        buffer Master;
        if(ClaimBuffer(&Master, "Master", Kilobytes(512)) == RC_ARENA_FULL) { return RC_ARENA_FULL; };

        CopyStringToBuffer(&Master,
                "<html>\n"
                "    <head>\n");

        CopyBuffer(&Master, PageType == PAGE_PLAYER ? &CollationBuffers->IncludesPlayer : &CollationBuffers->IncludesIndex);
        CopyStringToBuffer(&Master, "\n");

        CopyStringToBuffer(&Master,
                "    </head>\n"
                "    <body>\n");
        if(PageType == PAGE_PLAYER)
        {
            CopyBuffer(&Master, &CollationBuffers->Menus);
            CopyStringToBuffer(&Master, "\n");
            CopyBuffer(&Master, &CollationBuffers->Player);
            CopyStringToBuffer(&Master, "\n");
            CopyBuffer(&Master, &CollationBuffers->ScriptPlayer);
            CopyStringToBuffer(&Master, "\n");
        }
        else
        {
            CopyBuffer(&Master, &CollationBuffers->Index);
        }

        CopyStringToBuffer(&Master,
                "    </body>\n"
                "</html>\n");

        FILE *OutFile;
        if(!(OutFile = fopen(Config.Edition == EDITION_PROJECT ? OutputPath : Config.OutLocation, "w")))
        {
            LogError(LOG_ERROR, "Unable to open output file %s: %s", Config.Edition == EDITION_PROJECT ? OutputPath : Config.OutLocation, strerror(errno));
            DeclaimBuffer(&Master);
            return RC_ERROR_FILE;
        }
        fwrite(Master.Location, Master.Ptr - Master.Location, 1, OutFile);
        fclose(OutFile);
        DeclaimBuffer(&Master);
        return RC_SUCCESS;
    }
}

int
ReadFileIntoBuffer(file_buffer *File, int BufferPadding)
{
    if(!(File->Handle = fopen(File->Path, "r")))
    {
        return RC_ERROR_FILE;
    }

    fseek(File->Handle, 0, SEEK_END);
    File->FileSize = ftell(File->Handle);
    File->Buffer.Size = File->FileSize + 1 + BufferPadding; // NOTE(matt): +1 to accommodate a NULL terminator
    fseek(File->Handle, 0, SEEK_SET);

    // TODO(matt): Consider using the MemoryArena? Maybe have separate ReadFileIntoMemory() and ReadFileIntoArena()
    if(!(File->Buffer.Location = malloc(File->Buffer.Size)))
    {
        fclose(File->Handle);
        return RC_ERROR_MEMORY;
    }
    File->Buffer.Ptr = File->Buffer.Location;

    fread(File->Buffer.Location, File->FileSize, 1, File->Handle);
    File->Buffer.Location[File->FileSize] = '\0';
    fclose(File->Handle);
    return RC_SUCCESS;
}

// NOTE(matt): Currently unused
int
WriteBufferToFile(file_buffer *File, buffer *Buffer, int BytesToWrite, bool KeepFileHandleOpen)
{
    if(!(File->Handle = fopen(File->Path, "w")))
    {
        return RC_ERROR_FILE;
    }

    fwrite(Buffer->Location, BytesToWrite, 1, File->Handle);
    if(!KeepFileHandleOpen)
    {
        fclose(File->Handle);
    }
    return RC_SUCCESS;
}

enum
{
    C_SEEK_FORWARDS,
    C_SEEK_BACKWARDS
} seek_directions;

enum
{
    C_SEEK_START,     // First character of string
    C_SEEK_BEFORE,    // Character before first character
    C_SEEK_END,       // Last character of string
    C_SEEK_AFTER      // Character after last character
} seek_positions;

int
SeekBufferForString(buffer *Buffer, char *String,
    int Direction, /* seek_directions */
    int Position /* seek_positions */)
{
    // TODO(matt): Optimise? Some means of analysing the String to increment
    // the pointer in bigger strides

    // Perhaps count up runs of consecutive chars and seek for the char with
    // the longest run, in strides of that run-length

    char *InitialLocation = Buffer->Ptr;
    if(Direction == C_SEEK_FORWARDS)
    {
        while(Buffer->Ptr - Buffer->Location < Buffer->Size - StringLength(String)
                && StringsDifferT(String, Buffer->Ptr, 0))
        {
            ++Buffer->Ptr;
        }
    }
    else
    {
        while(Buffer->Ptr > Buffer->Location
                && StringsDifferT(String, Buffer->Ptr, 0))
        {
            --Buffer->Ptr;
        }
    }

    if(StringsDifferT(String, Buffer->Ptr, 0))
    {
        Buffer->Ptr = InitialLocation;
        return RC_UNFOUND;
    }

    switch(Position)
    {
        case C_SEEK_START:
            break;
        case C_SEEK_BEFORE:
            if(Buffer->Ptr > Buffer->Location)
            {
                --Buffer->Ptr;
                break;
            }
            else
            {
                return RC_ERROR_SEEK; // Ptr remains at string start
            }
        case C_SEEK_END:
            Buffer->Ptr += StringLength(String) - 1;
            break;
        case C_SEEK_AFTER:
            if(Buffer->Size >= Buffer->Ptr - Buffer->Location + StringLength(String))
            {
                Buffer->Ptr += StringLength(String);
                break;
            }
            else
            {
                return RC_ERROR_SEEK; // Ptr remains at string start
                                      // NOTE(matt): Should it, however, be left at the end of the string?
            }
    }
    return RC_SUCCESS;
}

// TODO(matt): Increment CINERA_DB_VERSION!
typedef struct
{
    unsigned int DBVersion; // NOTE(matt): Put this first to aid reliability
    version      AppVersion;
    version      HMMLVersion;
    unsigned int EntryCount;
} index_header;

typedef struct
{
    int  Size;
    char BaseFilename[32];
} index_metadata;

typedef struct
{
    file_buffer File;
    file_buffer Metadata;
    index_header Header;
    index_metadata Entry;
} index;
// TODO(matt): Increment CINERA_DB_VERSION!

int
InsertIntoIndex(buffers *CollationBuffers, char *BaseFilename)
{
    // NOTE(matt): The index will be stored in two files:
    //             1) ProjectID.index
    //             2) ProjectID.metadata
    //
    //             .index is all of the stuff needed for the search
    //             .metadata is: int DBVersion
    //                           version AppVersion
    //                           version HMMLVersion
    //                           int EntryCount
    //                           for each Entry
    //                               int Size from start of "name:" to end of "---\n")
    //                               char BaseFilename[32] (0-padded)
    //


    index Index = { 0 };
    Index.Metadata.Buffer.ID = "IndexMetadata";
    CopyString(Index.Metadata.Path, "%s/%s.metadata", Config.BaseDir, Config.ProjectID);
    int IndexMetadataFileReadCode = ReadFileIntoBuffer(&Index.Metadata, 0);
    switch(IndexMetadataFileReadCode)
    {
        case RC_ERROR_MEMORY:
            return RC_ERROR_MEMORY;
        case RC_ERROR_FILE:
        case RC_SUCCESS:
            break;
    }

    Index.File.Buffer.ID = "Index";
    CopyString(Index.File.Path, "%s/%s.index", Config.BaseDir, Config.ProjectID);
    int IndexFileReadCode = ReadFileIntoBuffer(&Index.File, 0);
    switch(IndexFileReadCode)
    {
        case RC_ERROR_MEMORY:
            return RC_ERROR_MEMORY;
        case RC_ERROR_FILE:
        case RC_SUCCESS:
            break;
    }

    int MetadataInsertionOffset = -1;
    int IndexEntryInsertionStart = -1;
    int IndexEntryInsertionEnd = -1;
    Index.Header.EntryCount = 0;
    char *IndexEntryStart;
    bool Found = FALSE;

    char InputFile[StringLength(BaseFilename) + StringLength(".hmml")];
    CopyString(InputFile, "%s.hmml", BaseFilename);
    HMMLToBuffers(CollationBuffers, InputFile);

    Index.Entry.Size = CollationBuffers->Search.Ptr - CollationBuffers->Search.Location;
    for(int i = 0; i < ArrayCount(Index.Entry.BaseFilename); ++i)
    {
        Index.Entry.BaseFilename[i] = '\0';
    }
    CopyString(Index.Entry.BaseFilename, BaseFilename);

    int EntryIndex;
    if(IndexMetadataFileReadCode == RC_SUCCESS && IndexFileReadCode == RC_SUCCESS)
    {
        // TODO(matt): Index validation?
        //             Maybe at least if(!StringsDiffer(..., "name: \"");
        //             and check that we won't crash through the end of the file when skipping to the next entry

        Index.Header = *(index_header *)Index.Metadata.Buffer.Ptr;
        Index.Metadata.Buffer.Ptr += sizeof(Index.Header);
        Index.File.Buffer.Ptr += StringLength("---\n");
        IndexEntryStart = Index.File.Buffer.Ptr;

        for(EntryIndex = 0; EntryIndex < Index.Header.EntryCount; ++EntryIndex)
        {
            index_metadata This = *(index_metadata *)Index.Metadata.Buffer.Ptr;
            if(!StringsDiffer(This.BaseFilename, BaseFilename))
            {
                // Reinsert
                MetadataInsertionOffset = Index.Metadata.Buffer.Ptr - Index.Metadata.Buffer.Location;
                IndexEntryInsertionStart = IndexEntryStart - Index.File.Buffer.Location;
                IndexEntryInsertionEnd = IndexEntryInsertionStart + Index.Entry.Size;
                Found = TRUE;
                break;

            }
            else if(StringsDiffer(This.BaseFilename, BaseFilename) > 0)
            {
                // Insert
                MetadataInsertionOffset = Index.Metadata.Buffer.Ptr - Index.Metadata.Buffer.Location;
                IndexEntryInsertionStart = IndexEntryStart - Index.File.Buffer.Location;
                break;
            }
            else
            {
                Index.Metadata.Buffer.Ptr += sizeof(Index.Entry);

                IndexEntryStart += This.Size;
                Index.File.Buffer.Ptr = IndexEntryStart;
            }
        }
    }
    else
    {
        // NOTE(matt): Initialising new index_header
        Index.Header.DBVersion = CINERA_DB_VERSION;
        Index.Header.AppVersion = CINERA_APP_VERSION;
        Index.Header.HMMLVersion.Major = hmml_version.Major;
        Index.Header.HMMLVersion.Minor = hmml_version.Minor;
        Index.Header.HMMLVersion.Patch = hmml_version.Patch;
        DIR *OutputDirectoryHandle;
        if(!(OutputDirectoryHandle = opendir(Config.BaseDir)))
        {
            if(MakeDir(Config.BaseDir) == RC_ERROR_DIRECTORY)
            {
                LogError(LOG_ERROR, "Unable to create directory %s: %s", Config.BaseDir, strerror(errno));
                fprintf(stderr, "Unable to create directory %s: %s\n", Config.BaseDir, strerror(errno));
                return RC_ERROR_DIRECTORY;
            };
        }
        closedir(OutputDirectoryHandle);
    }

    if(!(Index.Metadata.Handle = fopen(Index.Metadata.Path, "w"))) { FreeBuffer(&Index.Metadata.Buffer); return RC_ERROR_FILE; }
    if(!(Index.File.Handle = fopen(Index.File.Path, "w"))) { FreeBuffer(&Index.File.Buffer); return RC_ERROR_FILE; }

    if(!Found) { ++Index.Header.EntryCount; }

    fwrite(&Index.Header, sizeof(Index.Header), 1, Index.Metadata.Handle);

    if(IndexMetadataFileReadCode == RC_SUCCESS)
    {
        Index.Metadata.Buffer.Ptr = Index.Metadata.Buffer.Location + sizeof(Index.Header);
    }

    if(Found)
    {
        // NOTE(matt): We hit this during the start-up sync and when copying in a .hmml file over an already existing one, but
        //             would need to fool about with the inotify event processing to get to this branch in the case that saving
        //             a file triggers an IN_DELETE followed by an IN_CLOSE_WRITE event

        // Reinsert
        fwrite(Index.Metadata.Buffer.Ptr, MetadataInsertionOffset - sizeof(Index.Header), 1, Index.Metadata.Handle);
        fwrite(&Index.Entry, sizeof(Index.Entry), 1, Index.Metadata.Handle);
        fwrite(Index.Metadata.Buffer.Ptr - sizeof(Index.Header) + MetadataInsertionOffset + sizeof(Index.Entry), Index.Metadata.FileSize - MetadataInsertionOffset - sizeof(Index.Entry), 1, Index.Metadata.Handle);

        fwrite(Index.File.Buffer.Location, IndexEntryInsertionStart, 1, Index.File.Handle);
        fwrite(CollationBuffers->Search.Location, Index.Entry.Size, 1, Index.File.Handle);
        fwrite(Index.File.Buffer.Location + IndexEntryInsertionEnd, Index.File.FileSize - IndexEntryInsertionEnd, 1, Index.File.Handle);

        LogError(LOG_NOTICE, "Reinserted %s - %s", BaseFilename, CollationBuffers->Title);
        fprintf(stderr, "\e[1;33mReinserted\e[0m %s - %s\n", BaseFilename, CollationBuffers->Title);
    }
    else if(MetadataInsertionOffset >= 0 && IndexEntryInsertionStart >= 0)
    {
        // Insert new
        fwrite(Index.Metadata.Buffer.Ptr, MetadataInsertionOffset - sizeof(Index.Header), 1, Index.Metadata.Handle);
        fwrite(&Index.Entry, sizeof(Index.Entry), 1, Index.Metadata.Handle);
        fwrite(Index.Metadata.Buffer.Ptr - sizeof(Index.Header) + MetadataInsertionOffset, Index.Metadata.FileSize - MetadataInsertionOffset, 1, Index.Metadata.Handle);

        fwrite(Index.File.Buffer.Location, IndexEntryInsertionStart, 1, Index.File.Handle);
        fwrite(CollationBuffers->Search.Location, Index.Entry.Size, 1, Index.File.Handle);
        fwrite(Index.File.Buffer.Location + IndexEntryInsertionStart, Index.File.FileSize - IndexEntryInsertionStart, 1, Index.File.Handle);

        LogError(LOG_NOTICE, "Inserted %s - %s", BaseFilename, CollationBuffers->Title);
        fprintf(stderr, "\e[1;32mInserted\e[0m %s - %s\n", BaseFilename, CollationBuffers->Title);
    }
    else
    {
        // Append new
        if(IndexMetadataFileReadCode == RC_SUCCESS)
        {
            fwrite(Index.Metadata.Buffer.Ptr, Index.Metadata.FileSize - sizeof(Index.Header), 1, Index.Metadata.Handle);
            fwrite(Index.File.Buffer.Location, Index.File.FileSize, 1, Index.File.Handle);
        }
        else
        {
            fprintf(Index.File.Handle, "---\n");
        }
        fwrite(&Index.Entry, sizeof(Index.Entry), 1, Index.Metadata.Handle);
        fwrite(CollationBuffers->Search.Location, Index.Entry.Size, 1, Index.File.Handle);
        LogError(LOG_NOTICE, "Appended %s - %s", BaseFilename, CollationBuffers->Title);
        fprintf(stderr, "\e[1;32mAppended\e[0m %s - %s\n", BaseFilename, CollationBuffers->Title);
    }

    fclose(Index.Metadata.Handle);
    fclose(Index.File.Handle);
    FreeBuffer(&Index.Metadata.Buffer);
    FreeBuffer(&Index.File.Buffer);
    return RC_SUCCESS;
}

int
DeleteFromIndex(char *BaseFilename)
{
    // TODO(matt): LogError()
    index Index;

    Index.Metadata.Buffer.ID = "IndexMetadata";
    CopyString(Index.Metadata.Path, "%s/%s.metadata", Config.BaseDir, Config.ProjectID);
    switch(ReadFileIntoBuffer(&Index.Metadata, 0))
    {
        case RC_ERROR_FILE:
            return RC_ERROR_FILE;
        case RC_ERROR_MEMORY:
            LogError(LOG_ERROR, "DeleteFromIndex(): %s", strerror(errno));
            return RC_ERROR_MEMORY;
        case RC_SUCCESS:
            break;
    }

    Index.File.Buffer.ID = "Index";
    CopyString(Index.File.Path, "%s/%s.index", Config.BaseDir, Config.ProjectID);
    switch(ReadFileIntoBuffer(&Index.File, 0))
    {
        case RC_ERROR_FILE:
            return RC_ERROR_FILE;
        case RC_ERROR_MEMORY:
            LogError(LOG_ERROR, "DeleteFromIndex(): %s", strerror(errno));
            return RC_ERROR_MEMORY;
        case RC_SUCCESS:
            break;
    }

    Index.Header = *(index_header *)Index.Metadata.Buffer.Ptr;
    Index.Metadata.Buffer.Ptr += sizeof(Index.Header);

    bool Found = FALSE;
    int DeleteMetadataFrom = -1;
    int DeleteFileFrom = -1;
    int DeleteFileTo = -1;
    int SizeAcc  = 0;

    for(int EntryIndex = 0; EntryIndex < Index.Header.EntryCount; ++EntryIndex, Index.Metadata.Buffer.Ptr += sizeof(index_metadata))
    {
        index_metadata This = *(index_metadata *)Index.Metadata.Buffer.Ptr;
        if(!StringsDiffer(This.BaseFilename, BaseFilename))
        {
            Found = TRUE;
            --Index.Header.EntryCount;
            DeleteMetadataFrom = Index.Metadata.Buffer.Ptr - Index.Metadata.Buffer.Location;
            DeleteFileFrom = StringLength("---\n") + SizeAcc;
            DeleteFileTo = DeleteFileFrom + This.Size;
            break;
        }
        SizeAcc += This.Size;
    }

    if(Found)
    {
        if(Index.Header.EntryCount == 0)
        {
            remove(Index.Metadata.Path);
            remove(Index.File.Path);
        }
        else
        {
            if(!(Index.Metadata.Handle = fopen(Index.Metadata.Path, "w"))) { FreeBuffer(&Index.Metadata.Buffer); return RC_ERROR_FILE; }
            if(!(Index.File.Handle = fopen(Index.File.Path, "w"))) { FreeBuffer(&Index.File.Buffer); return RC_ERROR_FILE; }

            fwrite(&Index.Header, sizeof(Index.Header), 1, Index.Metadata.Handle);
            Index.Metadata.Buffer.Ptr = Index.Metadata.Buffer.Location + sizeof(Index.Header);

            fwrite(Index.Metadata.Buffer.Ptr, DeleteMetadataFrom - sizeof(Index.Header), 1, Index.Metadata.Handle);
            fwrite(Index.Metadata.Buffer.Ptr + DeleteMetadataFrom - sizeof(Index.Header) + sizeof(Index.Entry), Index.Metadata.FileSize - DeleteMetadataFrom - sizeof(Index.Entry), 1, Index.Metadata.Handle);
            fclose(Index.Metadata.Handle);

            fwrite(Index.File.Buffer.Location, DeleteFileFrom, 1, Index.File.Handle);
            fwrite(Index.File.Buffer.Location + DeleteFileTo, Index.File.FileSize - DeleteFileTo, 1, Index.File.Handle);
            fclose(Index.File.Handle);
        }
    }

    FreeBuffer(&Index.Metadata.Buffer);
    FreeBuffer(&Index.File.Buffer);
    return Found ? RC_SUCCESS : RC_NOOP;
}

int
IndexToBuffer(buffers *CollationBuffers)
{
    RewindBuffer(&CollationBuffers->Index);
    // TODO(matt): Consider parsing the index into a linked list, or do something to save us having to iterate through the index
    // file multiple times

    index Index;
    Index.Metadata.Buffer.ID = "IndexMetadata";
    CopyString(Index.Metadata.Path, "%s/%s.metadata", Config.BaseDir, Config.ProjectID);
    int IndexMetadataFileReadCode = ReadFileIntoBuffer(&Index.Metadata, 0);

    Index.File.Buffer.ID = "Index";
    CopyString(Index.File.Path, "%s/%s.index", Config.BaseDir, Config.ProjectID);
    int IndexFileReadCode = ReadFileIntoBuffer(&Index.File, 0);

    if(IndexMetadataFileReadCode == RC_SUCCESS && IndexFileReadCode == RC_SUCCESS)
    {
        Index.Header = *(index_header*)Index.Metadata.Buffer.Ptr;
        Index.Metadata.Buffer.Ptr += sizeof(Index.Header);
        Index.File.Buffer.Ptr += StringLength("---\n");
        char *IndexEntryStart = Index.File.Buffer.Ptr;

        CopyStringToBuffer(&CollationBuffers->Index,
                "<div class=\"queryContainer\">\n"
                "            <label for=\"query\">Query:</label>\n"
                "            <div class=\"inputContainer\">\n"
                "                <input type=\"text\" id=\"query\" autofocus=\"\">\n"
                "                <div class=\"spinner\">\n"
                "                    Downloading data...\n"
                "                </div>\n"
                "            </div>\n"
                "        </div>\n"
                "        <div id=\"resultsSummary\">Found: 0 episodes, 0 markers, 0h 0m 0s total.</div>\n"
                "        <div id=\"results\"></div>\n"
                "\n"
                "        <dl id=\"cineraIndex\" class=\"riscy\">\n");

        bool ProjectFound = FALSE;
        int ProjectIndex;
        for(ProjectIndex = 0; ProjectIndex < ArrayCount(ProjectInfo); ++ProjectIndex)
        {
            if(!StringsDiffer(ProjectInfo[ProjectIndex].ProjectID, Config.ProjectID))
            {
                ProjectFound = TRUE;
                break;
            }
        }

        if(!ProjectFound)
        {
            fprintf(stderr, "Missing Project Info for %s\n", Config.ProjectID);
            return RC_ERROR_PROJECT;
        }

        for(int EntryIndex = 0; EntryIndex < Index.Header.EntryCount; ++EntryIndex)
        {
            index_metadata This = *(index_metadata *)Index.Metadata.Buffer.Ptr;
            char Number[16];
            CopyString(Number, This.BaseFilename + StringLength(Config.ProjectID));
            if(ProjectInfo[ProjectIndex].NumberingScheme == NS_LINEAR)
            {
                for(int i = 0; Number[i]; ++i)
                {
                    if(Number[i] == '_')
                    {
                        Number[i] = '.';
                    }
                }
            }

            SeekBufferForString(&Index.File.Buffer, "title: \"", C_SEEK_FORWARDS, C_SEEK_AFTER);
            char Title[256];
            CopyStringNoFormatT(Title, Index.File.Buffer.Ptr, '\n');
            Title[StringLength(Title) - 1] = '\0';

            CopyStringToBuffer(&CollationBuffers->Index,
                    "            <dt>\n"
                    "                <a href=\"%s\">%s %s: %s</a>\n"
                    "            </dt>\n",
                    This.BaseFilename,
                    ProjectInfo[ProjectIndex].Unit, // TODO(matt): Do we need to special-case the various numbering schemes?
                    Number,
                    Title);

            Index.Metadata.Buffer.Ptr += sizeof(Index.Entry);
            IndexEntryStart += This.Size;
            Index.File.Buffer.Ptr = IndexEntryStart;
        }

        char URLPrefix[1024] = { 0 };
        char *Ptr = URLPrefix;
        if(StringsDiffer(Config.RootURL, ""))
        {
            Ptr += CopyString(Ptr, "%s/", Config.RootURL);
        }
        else
        {
            Ptr += CopyString(Ptr, "../");
        }
        if(StringsDiffer(Config.JSDir, ""))
        {
            Ptr += CopyString(Ptr, "%s/", Config.JSDir);
        }

        CopyStringToBuffer(&CollationBuffers->Index, "        </dl>\n"
                "        <script type=\"text/javascript\">\n"
                "            var indexLocation = \"%s.index\";\n"
                "            var projectID = \"%s\";\n"
                "        </script>\n"
                "        <script type=\"text/javascript\" src=\"%scinera_search.js\"></script>\n",
                Config.ProjectID,
                Config.ProjectID,
                URLPrefix);

        FreeBuffer(&Index.Metadata.Buffer);
        return RC_SUCCESS;
    }
    else
    {
        return RC_ERROR_FILE;
    }
}

int
GeneratePlayerPage(buffers *CollationBuffers, template *PlayerTemplate, char *BaseFilename)
{
    char OutputDir[256];
    CopyString(OutputDir, "%s/%s", Config.BaseDir, BaseFilename);
    char PlayerPagePath[256];
    CopyString(PlayerPagePath, "%s/index.html", OutputDir);

    DIR *OutputDirectoryHandle;
    if(!(OutputDirectoryHandle = opendir(OutputDir)))
    {
        if(MakeDir(OutputDir) == RC_ERROR_DIRECTORY)
        {
            LogError(LOG_ERROR, "Unable to create directory %s: %s", OutputDir, strerror(errno));
            fprintf(stderr, "Unable to create directory %s: %s\n", OutputDir, strerror(errno));
            return RC_ERROR_DIRECTORY;
        };
    }

    closedir(OutputDirectoryHandle);
    BuffersToHTML(CollationBuffers, PlayerTemplate, PlayerPagePath, PAGE_PLAYER);
    return RC_SUCCESS;
}

int
GenerateIndexPage(buffers *CollationBuffers, template *IndexTemplate)
{
    char IndexPagePath[256];
    CopyString(IndexPagePath, "%s/index.html", Config.BaseDir);
    IndexToBuffer(CollationBuffers);
    BuffersToHTML(CollationBuffers, IndexTemplate, IndexPagePath, PAGE_INDEX);
    return RC_SUCCESS;
}

int
DeletePlayerPageFromFilesystem(char *BaseFilename)
{
    // NOTE(matt): Once we have the notion of an output filename format, we'll need to use that here
    char PlayerDirPath[256];
    CopyString(PlayerDirPath, "%s/%s", Config.BaseDir, BaseFilename);
    DIR *PlayerDir;

    if((PlayerDir = opendir(PlayerDirPath))) // There is a directory for the Player, which there probably should be if not for manual intervention
    {
        char PlayerPagePath[256];
        CopyString(PlayerPagePath, "%s/index.html", PlayerDirPath);
        FILE *PlayerPage;
        if((PlayerPage = fopen(PlayerPagePath, "r")))
        {
            fclose(PlayerPage);
            remove(PlayerPagePath);
        }

        closedir(PlayerDir);
        if((remove(PlayerDirPath) == -1))
        {
            LogError(LOG_NOTICE, "Mostly deleted %s. Unable to remove directory %s: %s", BaseFilename, PlayerDirPath, strerror(errno));
            fprintf(stderr, "\e[1;30mMostly deleted\e[0m %s. \e[1;31mUnable to remove directory\e[0m %s: %s", BaseFilename, PlayerDirPath, strerror(errno));
        }
        else
        {
            LogError(LOG_INFORMATIONAL, "Deleted %s", BaseFilename);
            fprintf(stderr, "\e[1;30mDeleted\e[0m %s\n", BaseFilename);
        }
    }
    return RC_SUCCESS;
}

void
DeleteEntry(char *BaseFilename)
{
    if(DeleteFromIndex(BaseFilename) == RC_SUCCESS)
    {
        DeletePlayerPageFromFilesystem(BaseFilename);
    }
}

int
MonitorDirectory(buffers *CollationBuffers, template *IndexTemplate, template *PlayerTemplate, int inotifyInstance, int WatchDescriptor)
{

#if DEBUG_MEM
    FILE *MemLog = fopen("/home/matt/cinera_mem", "a+");
    fprintf(MemLog, "\nCalled MonitorDirectory()\n");
    fclose(MemLog);
#endif

    // TODO(matt): Maybe straight up store the IndexPath in the Config to save us having to derive it near / at the usage site
    buffer Events;
    if(ClaimBuffer(&Events, "inotify Events", Kilobytes(32)) == RC_ARENA_FULL) { return RC_ARENA_FULL; };

    struct inotify_event *Event;
    int BytesRead;

    while((BytesRead = read(inotifyInstance, Events.Location, Events.Size)) != -1 && errno == EAGAIN && BytesRead > 0)
    {
        for(Events.Ptr = Events.Location;
                Events.Ptr < Events.Location + BytesRead && Events.Ptr - Events.Location < Events.Size; 
                Events.Ptr += sizeof(struct inotify_event) + Event->len)
        {
            Event = (struct inotify_event *)Events.Ptr;

            char *Ptr;
            Ptr = Event->name;
            Ptr += (StringLength(Event->name) - StringLength(".hmml"));
            if(!(StringsDiffer(Ptr, ".hmml")))
            {
                *Ptr = '\0';
                char BaseFilename[256];
                CopyString(BaseFilename, Event->name);
                *Ptr = '.';

                // TODO(matt): Maybe handle IN_ALL_EVENTS

                if(Event->mask & IN_DELETE || Event->mask & IN_MOVED_FROM)
                {
                    DeleteEntry(BaseFilename);
                }
                else
                {
                    InsertIntoIndex(CollationBuffers, BaseFilename);
                    GeneratePlayerPage(CollationBuffers, PlayerTemplate, BaseFilename);
                }
                GenerateIndexPage(CollationBuffers, IndexTemplate);
            }
        }
    }

    DeclaimBuffer(&Events);
    return RC_NOOP;
}

typedef struct
{
    bool Present;
    char ID[32];
} index_entry; // Metadata, unless we actually want to bolster this?

int
DeleteDeadIndexEntries()
{
    // TODO(matt): More rigorously figure out who we should delete
    // Maybe compare the output directory and the input HMML names
    index Index;
    Index.Metadata.Buffer.ID = "IndexMetadata";
    CopyString(Index.Metadata.Path, "%s/%s.metadata", Config.BaseDir, Config.ProjectID);
    if(ReadFileIntoBuffer(&Index.Metadata, 0) == RC_ERROR_FILE)
    {
        return RC_ERROR_FILE;
    }

    Index.Header = *(index_header *)Index.Metadata.Buffer.Ptr;
    if(Index.Header.DBVersion != CINERA_DB_VERSION)
    {
        fprintf(stderr, "\n\e[1;31mHandle conversion from CINERA_DB_VERSION %d to %d!\e[0m\n\n", Index.Header.DBVersion, CINERA_DB_VERSION);
        exit(EXIT_FAILURE);
    }

    Index.Metadata.Buffer.Ptr += sizeof(Index.Header);

    index_entry Entries[Index.Header.EntryCount];

    for(int EntryIndex = 0; EntryIndex < Index.Header.EntryCount; ++EntryIndex)
    {
        index_metadata This = *(index_metadata *)Index.Metadata.Buffer.Ptr;
        CopyStringNoFormat(Entries[EntryIndex].ID, This.BaseFilename);
        Entries[EntryIndex].Present = FALSE;
        Index.Metadata.Buffer.Ptr += sizeof(This);;
    }

    DIR *ProjectDirHandle;
    if(!(ProjectDirHandle = opendir(Config.ProjectDir)))
    {
        LogError(LOG_ERROR, "Unable to scan project directory %s: %s", Config.ProjectDir, strerror(errno));
        fprintf(stderr, "Unable to scan project directory %s: %s\n", Config.ProjectDir, strerror(errno));
        return RC_ERROR_DIRECTORY;
    }

    struct dirent *ProjectFiles;

    while((ProjectFiles = readdir(ProjectDirHandle)))
    {
        char *Ptr;
        Ptr = ProjectFiles->d_name;
        Ptr += (StringLength(ProjectFiles->d_name) - StringLength(".hmml"));
        if(!(StringsDiffer(Ptr, ".hmml")))
        {
            *Ptr = '\0';
            for(int i = 0; i < Index.Header.EntryCount; ++i)
            {
                if(!StringsDiffer(Entries[i].ID, ProjectFiles->d_name))
                {
                    Entries[i].Present = TRUE;
                    break;
                }
            }
        }
    }
    closedir(ProjectDirHandle);

    bool Deleted = FALSE;
    for(int i = 0; i < Index.Header.EntryCount; ++i)
    {
        if(Entries[i].Present == FALSE)
        {
            Deleted = TRUE;
            DeleteEntry(Entries[i].ID);
        }
    }

    FreeBuffer(&Index.Metadata.Buffer);
    return Deleted ? RC_SUCCESS : RC_NOOP;
}

int
SyncIndexWithInput(buffers *CollationBuffers, template *IndexTemplate, template *PlayerTemplate)
{
    bool Deleted = FALSE;
    if(DeleteDeadIndexEntries() == RC_SUCCESS)
    {
        Deleted = TRUE;
    }

    DIR *ProjectDirHandle;
    if(!(ProjectDirHandle = opendir(Config.ProjectDir)))
    {
        LogError(LOG_ERROR, "Unable to scan project directory %s: %s", Config.ProjectDir, strerror(errno));
        fprintf(stderr, "Unable to scan project directory %s: %s\n", Config.ProjectDir, strerror(errno));
        return RC_ERROR_DIRECTORY;
    }

    struct dirent *ProjectFiles;
    bool Inserted = FALSE;

    while((ProjectFiles = readdir(ProjectDirHandle)))
    {
        char *Ptr = ProjectFiles->d_name;
        Ptr += (StringLength(ProjectFiles->d_name) - StringLength(".hmml"));
        if(!(StringsDiffer(Ptr, ".hmml")))
        {
            *Ptr = '\0';
            InsertIntoIndex(CollationBuffers, ProjectFiles->d_name);
            GeneratePlayerPage(CollationBuffers, PlayerTemplate, ProjectFiles->d_name);
            Inserted = TRUE;
        }
    }
    closedir(ProjectDirHandle);

    if(Deleted || Inserted)
    {
        GenerateIndexPage(CollationBuffers, IndexTemplate);
    }
    return RC_SUCCESS;
}

char *
StripTrailingSlash(char *String)
{
    int Length = StringLength(String);
    if(Length > 0 && String[Length - 1] == '/')
    {
        String[Length - 1] = '\0';
    }
    return String;
}

int
main(int ArgC, char **Args)
{
    // TODO(matt): Read all defaults from the config
    config DefaultConfig = {
        .BaseDir = ".",
        .CSSDir = "",
        .Edition = EDITION_SINGLE,
        .ImagesDir = "",
        .JSDir = "",
        .LogLevel = LOG_EMERGENCY,
        .DefaultMedium = "programming",
        .Mode = getenv("CINERA_MODE") ? MODE_INTEGRATE : MODE_BARE,
        .OutLocation = "out.html",
        .OutIntegratedLocation = "out_integrated.html",
        .ForceIntegration = FALSE,
        .ProjectDir = ".",
        .ProjectID = "",
        .RootDir = ".",
        .RootURL = "",
        .TemplatePlayerLocation = "template_player.html",
        .TemplateIndexLocation = "template_index.html",
        .UpdateInterval = 4
    };

    if(getenv("XDG_CACHE_HOME"))
    {
        CopyString(DefaultConfig.CacheDir, "%s/cinera", getenv("XDG_CACHE_HOME"));
    }
    else
    {
        CopyString(DefaultConfig.CacheDir, "%s/.cache/cinera", getenv("HOME"));
    }

    Config = DefaultConfig;

    if(ArgC < 2)
    {
        PrintUsage(Args[0], &DefaultConfig);
        return RC_RIP;
    }

    char CommandLineArg;
    while((CommandLineArg = getopt(ArgC, Args, "b:c:d:fhi:j:l:m:o:p:r:u:t:U:x:")) != -1)
    {
        switch(CommandLineArg)
        {
            case 'b':
                Config.BaseDir = StripTrailingSlash(optarg);
                break;
            case 'c':
                Config.CSSDir = StripTrailingSlash(optarg);
                break;
            case 'd':
                Config.ProjectDir = StripTrailingSlash(optarg);
                break;
            case 'f':
                Config.ForceIntegration = TRUE;
                break;
            case 'i':
                Config.ImagesDir = StripTrailingSlash(optarg);
                break;
            case 'j':
                Config.JSDir = StripTrailingSlash(optarg);
                break;
            case 'l':
                // TODO(matt): Make this actually take a string, rather than requiring the LogLevel number
                Config.LogLevel = StringToInt(optarg);
                break;
            case 'm':
                Config.DefaultMedium = optarg;
                break;
            case 'o':
                Config.OutLocation = optarg;
                Config.OutIntegratedLocation = optarg;
                break;
            case 'p':
                Config.ProjectID = optarg;
                break;
            case 'r':
                Config.RootDir = StripTrailingSlash(optarg);
                break;
            case 't':
                Config.TemplatePlayerLocation = optarg;
                Config.Mode = MODE_INTEGRATE;
                break;
            case 'u':
                Config.RootURL = StripTrailingSlash(optarg);
                break;
            case 'U':
                Config.UpdateInterval = StringToInt(optarg);
                break;
            case 'x':
                Config.TemplateIndexLocation = optarg;
                Config.Mode = MODE_INTEGRATE;
                break;
            case 'h':
            default:
                PrintUsage(Args[0], &DefaultConfig);
                return 1;
        }
    }

    if(StringsDiffer(Config.ProjectID, ""))
    {
        Config.Edition = EDITION_PROJECT;
    }

    bool ValidDefaultMedium = FALSE;
    for(int i = 0; i < ArrayCount(CategoryMedium); ++i)
    {
        if(!StringsDiffer(Config.DefaultMedium, CategoryMedium[i].Medium))
        {
            ValidDefaultMedium = TRUE;
            break;
        }
    }
    if(!ValidDefaultMedium)
    {
        fprintf(stderr, "Specified default medium \"%s\" not available. Valid media are:\n", Config.DefaultMedium);
        for(int i = 0; i < ArrayCount(CategoryMedium); ++i)
        {
            fprintf(stderr, "    %s\n", CategoryMedium[i].Medium);
        }
        fprintf(stderr, "To have \"%s\" added to the list, contact matt@handmadedev.org\n", Config.DefaultMedium);
        return 1;
    }

    // NOTE(matt): Templating
    //
    // Config will contain paths of multiple templates
    // App is running all the time, and picking up changes to the config as we go
    // If we find a new template, we first of all validate it
    //      In our case here, we just want to straight up validate a template if Config.Mode == MODE_INTEGRATE
    //      And, in that same state, we gotta keep a Template buffer around

    // NOTE(matt): Init MemoryArena (it is global)
    MemoryArena.Size = Megabytes(4);
    if(!(MemoryArena.Location = calloc(MemoryArena.Size, 1)))
    {
        LogError(LOG_EMERGENCY, "%s: %s", Args[0], strerror(errno));
        return RC_RIP;
    }
    MemoryArena.Ptr = MemoryArena.Location;

#if DEBUG_MEM
    FILE *MemLog = fopen("/home/matt/cinera_mem", "a+");
    fprintf(MemLog, " Allocated MemoryArena (%d)\n", MemoryArena.Size);
    fclose(MemLog);
    printf(" Allocated MemoryArena (%d)\n", MemoryArena.Size);
#endif

#if DEBUG
    printf("Allocated MemoryArena: %d\n\n", MemoryArena.Size);
#endif

    buffer Errors;
    if(ClaimBuffer(&Errors, "Errors", Kilobytes(1)) == RC_ARENA_FULL) { goto RIP; };

    // NOTE(matt): Tree structure of buffer dependencies
    //     IncludesPlayer
    //     Menus
    //     Player
    //     ScriptPlayer
    //
    //     IncludesIndex
    //     Index

    buffers CollationBuffers;
    if(ClaimBuffer(&CollationBuffers.IncludesPlayer, "IncludesPlayer", Kilobytes(1)) == RC_ARENA_FULL) { goto RIP; };
    if(ClaimBuffer(&CollationBuffers.Menus, "Menus", Kilobytes(24)) == RC_ARENA_FULL) { goto RIP; };
    if(ClaimBuffer(&CollationBuffers.Player, "Player", Kilobytes(256)) == RC_ARENA_FULL) { goto RIP; };
    if(ClaimBuffer(&CollationBuffers.ScriptPlayer, "ScriptPlayer", Kilobytes(8)) == RC_ARENA_FULL) { goto RIP; };

    if(ClaimBuffer(&CollationBuffers.IncludesIndex, "IncludesIndex", Kilobytes(1)) == RC_ARENA_FULL) { goto RIP; };
    if(ClaimBuffer(&CollationBuffers.Search, "Search", Kilobytes(32)) == RC_ARENA_FULL) { goto RIP; };
    if(ClaimBuffer(&CollationBuffers.Index, "Index", Kilobytes(8)) == RC_ARENA_FULL) { goto RIP; };
    if(ClaimBuffer(&CollationBuffers.ScriptIndex, "ScriptIndex", 256) == RC_ARENA_FULL) { goto RIP; };
    *CollationBuffers.Title = '\0';

    template *PlayerTemplate;
    template *IndexTemplate;

    if(Config.Mode == MODE_INTEGRATE)
    {
        switch(ValidateTemplate(&Errors, &PlayerTemplate, PAGE_PLAYER))
        {
            case RC_INVALID_TEMPLATE: // Invalid template
            case RC_ERROR_FILE: // Could not load template
            case RC_ERROR_MEMORY: // Could not allocate memory for template
                goto RIP;
            case RC_SUCCESS:
                break;
        }

        if(Config.Edition == EDITION_PROJECT)
        {
            switch(ValidateTemplate(&Errors, &IndexTemplate, PAGE_INDEX))
            {
                case RC_INVALID_TEMPLATE: // Invalid template
                case RC_ERROR_MEMORY: // Could not allocate memory for template
                case RC_ERROR_FILE: // Could not load template
                    goto RIP;
                case RC_SUCCESS:
                    break;
            }
        }
    }

    // NOTE(matt)
    //
    // Single Edition == Loop over Args[FileIndex]
    // Project Edition == Loop over Config.ProjectDir
    //
    // Integrating or not

    curl_version_info_data *CurlVersion = curl_version_info(CURLVERSION_NOW);
    if(Config.Edition == EDITION_PROJECT)
    {

#if DEBUG_MEM
        FILE *MemLog = fopen("/home/matt/cinera_mem", "w+");
        fprintf(MemLog, "Entered Project Edition\n");
        fclose(MemLog);
#endif

        // TODO(matt): Also log these startup messages?
        printf( "Cinera: %d.%d.%d\n"
                "Cinera DB: %d\n"
                "hmmlib: %d.%d.%d\n"
                "libcurl: %s\n"
                "\n"
                "Globals\n"
                "    Cache Directory:\t\t%s\n"
                "\n"
                "    Root\n"
                "        Directory:\t\t%s\n"
                "        URL:\t\t\t%s\n"
                "    Paths relative to root\n"
                "        CSS:\t\t\t%s\n"
                "        Images:\t\t\t%s\n"
                "        JS:\t\t\t%s\n",
                CINERA_APP_VERSION.Major, CINERA_APP_VERSION.Minor, CINERA_APP_VERSION.Patch,
                CINERA_DB_VERSION,
                hmml_version.Major, hmml_version.Minor, hmml_version.Patch,
                CurlVersion->version,
                Config.CacheDir,
                Config.RootDir,
                StringsDiffer(Config.RootURL, "") ? Config.RootURL : "[empty]",

                StringsDiffer(Config.CSSDir, "") ? Config.CSSDir : "(same as root)",
                StringsDiffer(Config.ImagesDir, "") ? Config.ImagesDir : "(same as root)",
                StringsDiffer(Config.JSDir, "") ? Config.JSDir : "(same as root)");

        if(Config.Mode == MODE_INTEGRATE)
        {
            printf("        Index Template:\t\t%s\n"
                    "        Player Template:\t%s\n",
                    StringsDiffer(Config.TemplateIndexLocation, "") ? Config.TemplateIndexLocation : "(same as root)",
                    StringsDiffer(Config.TemplatePlayerLocation, "") ? Config.TemplatePlayerLocation : "(same as root)");
        }

        printf("\n"
                "Project\n"
                "    ID:\t\t\t\t%s\n"
                "    Input Directory:\t\t%s\n"
                "    Output Base Directory:\t%s\n"
                "    Default Medium:\t\t%s\n"
                "\n"
                "┌╼ Synchronising with annotation files in Project Input Directory ╾┐\n",

                Config.ProjectID,
                Config.ProjectDir,
                Config.BaseDir,
                Config.DefaultMedium);

        SyncIndexWithInput(&CollationBuffers, IndexTemplate, PlayerTemplate);

        printf("\n┌╼ Monitoring Project Directory for \e[1;32mnew\e[0m, \e[1;33medited\e[0m and \e[1;30mdeleted\e[0m .hmml files ╾┐\n");

        int inotifyInstance = inotify_init1(IN_NONBLOCK);
        // NOTE(matt): Do we want to also watch IN_DELETE_SELF events?
        int WatchDescriptor = inotify_add_watch(inotifyInstance, Config.ProjectDir, IN_CLOSE_WRITE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO);

        while(MonitorDirectory(&CollationBuffers, IndexTemplate, PlayerTemplate, inotifyInstance, WatchDescriptor) != RC_ERROR_FATAL)
        {
            sleep(Config.UpdateInterval);
        }
    }
    else
    {
        if(optind == ArgC)
        {
            fprintf(stderr, "%s: requires at least one input .hmml file\n", Args[0]);
            PrintUsage(Args[0], &DefaultConfig);
            goto RIP;
        }

NextFile:
        for(int FileIndex = optind; FileIndex < ArgC; ++FileIndex)
        {
            switch(HMMLToBuffers(&CollationBuffers, Args[FileIndex]))
            {
                // TODO(matt): Actually sort out the fatality of these cases, once we are always-on
                case RC_ERROR_FILE:
                case RC_ERROR_FATAL:
                    goto RIP;
                case RC_ERROR_HMML:
                case RC_ERROR_MAX_REFS:
                case RC_ERROR_QUOTE:
                case RC_INVALID_REFERENCE:
                    if(FileIndex < (ArgC - 1)) { goto NextFile; }
                    else { goto RIP; }
                case RC_SUCCESS:
                    break;
            };
            switch(BuffersToHTML(&CollationBuffers, PlayerTemplate, 0, PAGE_PLAYER))
            {
                // TODO(matt): Actually sort out the fatality of these cases, once we are always-on
                case RC_INVALID_TEMPLATE:
                    LogError(LOG_ERROR, "Invalid player template: %s", PlayerTemplate->Metadata.Filename);
                case RC_ERROR_MEMORY:
                case RC_ERROR_FILE:
                case RC_ARENA_FULL:
                    goto RIP;
                case RC_SUCCESS:
                    break;
            };
        }
    }

    if(Config.Mode == MODE_INTEGRATE)
    {
        DeclaimTemplate(PlayerTemplate);
        if(Config.Edition == EDITION_PROJECT)
        {
            DeclaimTemplate(IndexTemplate);
        }
    }

    DeclaimBuffer(&CollationBuffers.ScriptIndex);
    DeclaimBuffer(&CollationBuffers.Index);
    DeclaimBuffer(&CollationBuffers.Search);
    DeclaimBuffer(&CollationBuffers.IncludesIndex);

    DeclaimBuffer(&CollationBuffers.ScriptPlayer);
    DeclaimBuffer(&CollationBuffers.Player);
    DeclaimBuffer(&CollationBuffers.Menus);
    DeclaimBuffer(&CollationBuffers.IncludesPlayer);
    DeclaimBuffer(&Errors);
RIP:
    free(MemoryArena.Location);

#if DEBUG_MEM
    MemLog = fopen("/home/matt/cinera_mem", "a+");
    fprintf(MemLog, "     Freed MemoryArena\n");
    fclose(MemLog);
    printf("     Freed MemoryArena\n");
#endif

}