cinera.c 201 KB
Newer Older
1 2
#if 0
ctime -begin ${0%.*}.ctm
3
gcc -g -fsanitize=address -Wall -std=c99 -pipe $0 -o ${0%.*} hmml.a -lcurl
4
#gcc -O2 -Wall -std=c99 -pipe $0 -o ${0%.*} hmml.a -lcurl
5 6 7 8
ctime -end ${0%.*}.ctm
exit
#endif

Matt Mascarenhas's avatar
Matt Mascarenhas committed
9 10 11 12 13 14 15 16
typedef struct
{
    unsigned int Major, Minor, Patch;
} version;

version CINERA_APP_VERSION = {
    .Major = 0,
    .Minor = 5,
17
    .Patch = 22
Matt Mascarenhas's avatar
Matt Mascarenhas committed
18 19
};

20
// TODO(matt): Copy in the DB 3 stuff from cinera_working.c
21
#define CINERA_DB_VERSION 2
22

23
#define DEBUG 0
24
#define DEBUG_MEM 0
25

26
typedef unsigned int bool;
27 28 29 30

#define TRUE 1
#define FALSE 0

31 32 33
#include <stdarg.h> // NOTE(matt): varargs
#include <stdio.h>  // NOTE(matt): printf, sprintf, vsprintf, fprintf, perror
#include <stdlib.h> // NOTE(matt): calloc, malloc, free
34
#include "hmmlib.h"
35
#include <getopt.h> // NOTE(matt): getopts
36
//#include "config.h" // TODO(matt): Implement config.h
37
#include <curl/curl.h>
38 39
#include <time.h>
#include <sys/stat.h>
40 41
#include <sys/types.h>
#include <dirent.h>
42 43
#include <string.h> // NOTE(matt): strerror
#include <errno.h> //NOTE(matt): errno
Matt Mascarenhas's avatar
Matt Mascarenhas committed
44 45
#include <sys/inotify.h> // NOTE(matt): inotify
#include <unistd.h> // NOTE(matt): sleep()
46

47 48 49
#define Kilobytes(Bytes) Bytes << 10
#define Megabytes(Bytes) Bytes << 20

50 51
enum
{
52 53 54
    EDITION_SINGLE,
    EDITION_PROJECT,
    EDITION_NETWORK
55 56
} editions;

57 58 59 60 61 62 63 64 65 66 67 68 69
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;

70 71
enum
{
72
    MODE_ONESHOT = 1 << 0,
73 74
} modes;

75 76 77 78 79 80 81 82 83
enum
{
    RC_ARENA_FULL,
    RC_ERROR_DIRECTORY,
    RC_ERROR_FATAL,
    RC_ERROR_FILE,
    RC_ERROR_HMML,
    RC_ERROR_MAX_REFS,
    RC_ERROR_MEMORY,
Matt Mascarenhas's avatar
Matt Mascarenhas committed
84
    RC_ERROR_PROJECT,
85
    RC_ERROR_QUOTE,
Matt Mascarenhas's avatar
Matt Mascarenhas committed
86
    RC_ERROR_SEEK,
87 88 89
    RC_FOUND,
    RC_UNFOUND,
    RC_INVALID_REFERENCE,
Matt Mascarenhas's avatar
Matt Mascarenhas committed
90
    RC_INVALID_TEMPLATE,
91 92 93 94 95 96 97 98 99 100 101 102 103
    RC_NOOP,
    RC_RIP,
    RC_SUCCESS
} returns;

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

104 105 106 107
typedef struct
{
    char *Location;
    char *Ptr;
108
    char *ID;
109 110 111
    int  Size;
} buffer;

112 113 114 115
typedef struct
{
    buffer Buffer;
    FILE  *Handle;
Matt Mascarenhas's avatar
Matt Mascarenhas committed
116
    char   Path[256];
117 118 119
    int    FileSize;
} file_buffer;

120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136
typedef struct
{
    buffer IncludesIndex;
    buffer Search;
    buffer Index; // NOTE(matt): This buffer is malloc'd separately, rather than claimed from the memory_arena
    buffer ScriptIndex;
    buffer IncludesPlayer;
    buffer Menus;
    buffer Player;
    buffer ScriptPlayer;
    char ProjectName[32];
    char Title[256];
    char URLIndex[2048];
    char URLPlayer[2048];
    char VideoID[16];
} buffers;

137 138
enum
{
139
    // Contents Page
140 141
    TAG_INDEX,

142
    // Player Page
143 144 145 146 147
    TAG_INCLUDES,
    TAG_MENUS,
    TAG_PLAYER,
    TAG_SCRIPT,

148
    // Anywhere
149
    TAG_PROJECT,
150 151 152
    TAG_TITLE,
    TAG_URL,
    TAG_VIDEO_ID,
153 154 155 156 157 158 159 160 161 162 163 164 165 166
} 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__" },
167
    { TAG_PROJECT,  "__CINERA_PROJECT__" },
168
    { TAG_TITLE,    "__CINERA_TITLE__" },
169 170
    { TAG_URL,      "__CINERA_URL__" },
    { TAG_VIDEO_ID, "__CINERA_VIDEO_ID__" },
171 172 173 174 175 176 177 178 179 180
};

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

typedef struct
{
Matt Mascarenhas's avatar
Matt Mascarenhas committed
181
    char Filename[256];
182 183 184
    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;
185 186 187 188 189 190
} template_metadata;

typedef struct
{
    template_metadata Metadata;
    buffer Buffer;
191 192
} template;

193 194
typedef struct
{
195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227
    // Universal
    char  CacheDir[256];
    int   Edition;
    int   LogLevel;
    int   Mode;
    int   UpdateInterval;
    bool  ForceIntegration;

    // Advisedly universal, although could be per-project
    char *RootDir; // Absolute
    char *RootURL;
    char *CSSDir; // Relative to Root{Dir,URL}
    char *ImagesDir; // Relative to Root{Dir,URL}
    char *JSDir; // Relative to Root{Dir,URL}

    // Per Project
    char *ProjectID;
    char *Theme;
    char *DefaultMedium;

    // Per Project - Input
    char *ProjectDir; // Absolute
    char *TemplatesDir; // Absolute
    char *TemplateIndexLocation; // Relative to TemplatesDir ???
    char *TemplatePlayerLocation; // Relative to TemplatesDir ???

    // Per Project - Output
    char *BaseDir; // Absolute
    char *BaseURL;
    char *IndexLocation; // Relative to Base{Dir,URL}
    char *PlayerLocation; // Relative to Base{Dir,URL}
    char *PlayerURLPrefix; /* NOTE(matt): This will become a full blown customisable output URL.
                                    For now it simply replaces the ProjectID */
228 229
    // Single Edition - Input
    char SingleHMMLFilePath[256];
230 231 232 233 234 235 236 237 238

    // Single Edition - Output
    char *OutLocation;
    char *OutIntegratedLocation;
} config;

// NOTE(matt): Globals
config Config = {};
arena MemoryArena;
239

240 241 242 243 244 245 246 247
// 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;

248 249
typedef struct
{
250 251 252 253
    char Timecode[8];
    int Identifier;
} identifier;

254
#define REF_MAX_IDENTIFIER 64
255

256 257
typedef struct
{
258 259 260 261
    char RefTitle[620];
    char ID[512];
    char URL[512];
    char Source[256];
262
    identifier Identifier[REF_MAX_IDENTIFIER];
263
    int IdentifierCount;
264 265
} ref_info;

266 267
typedef struct
{
268 269
    char Marker[32];
    char WrittenText[32];
270
} category_info;
271

272 273 274 275 276 277
typedef struct
{
    category_info Category[64];
    int Count;
} categories;

278
// TODO(matt): Parse this stuff out of a config file
279 280 281 282 283 284 285 286 287 288
typedef struct
{
    char *Username;
    char *CreditedName;
    char *HomepageURL;
    char *SupportIcon;
    char *SupportURL;
} credential_info;

credential_info Credentials[] =
289
{
290 291
    { "/a_waterman", "Andrew Waterman", "https://www.linkedin.com/in/andrew-waterman-76805788", "", ""},
    { "/y_lee", "Yunsup Lee", "https://www.linkedin.com/in/yunsup-lee-385b692b/", "", ""},
292
    { "AndrewJDR", "Andrew Johnson", "", "", ""},
293
    { "AsafGartner", "Asaf Gartner", "", "", ""},
294 295 296
    { "BretHudson", "Bret Hudson", "http://www.brethudson.com/", "cinera_sprite_patreon.png", "https://www.patreon.com/indieFunction"},
    { "ChronalDragon", "Andrew Chronister", "http://chronal.net/", "", ""},
    { "Kelimion", "Jeroen van Rijn", "https://handmade.network/home", "", ""},
297
    { "Mannilie", "Emmanuel Vaccaro", "http://emmanuelvaccaro.com/", "", ""},
298 299 300
    { "Miblo", "Matt Mascarenhas", "http://miblodelcarpio.co.uk", "", ""},
    { "Mr4thDimention", "Allen Webster", "http://www.4coder.net/", "", ""},
    { "Quel_Solaar", "Eskil Steenberg", "http://quelsolaar.com/", "", ""},
301
    { "ZedZull", "Jay Waggle", "", "", ""},
302
    { "abnercoimbre", "Abner Coimbre", "https://handmade.network/m/abnercoimbre", "", ""},
303
    { "brianwill", "Brian Will", "http://brianwill.net/blog/", "", ""},
304
    { "cbloom", "Charles Bloom", "http://cbloomrants.blogspot.co.uk/", "", ""},
Matt Mascarenhas's avatar
Matt Mascarenhas committed
305
    { "cmuratori", "Casey Muratori", "https://handmadehero.org", "cinera_sprite_sendowl.png", "https://handmadehero.org/patreon.html"},
306
    { "csnover", "Colin Snover", "https://zetafleet.com/", "", ""},
307
    { "debiatan", "Miguel Lechón", "http://blog.debiatan.net/", "", ""},
308 309 310
    { "dspecht", "Dustin Specht", "", "", ""},
    { "effect0r", "Cory Henderlite", "", "", ""},
    { "ffsjs", "ffsjs", "", "", ""},
311 312
    { "fierydrake", "Mike Tunnicliffe", "", "", ""},
    { "garlandobloom", "Matthew VanDevander", "https://lowtideproductions.com/", "cinera_sprite_patreon.png", "https://www.patreon.com/mv"},
313 314 315
    { "ikerms", "Iker Murga", "", "", ""},
    { "insofaras", "Alex Baines", "https://abaines.me.uk/", "", ""},
    { "jacebennett", "Jace Bennett", "", "", ""},
316
    { "jon", "Jonathan Blow", "http://the-witness.net/news/", "", ""},
317
    { "jpike", "Jacob Pike", "", "", ""},
318
    { "martincohen", "Martin Cohen", "http://blog.coh.io/", "", ""},
319 320 321
    { "miotatsu", "Mio Iwakura", "http://riscy.tv/", "cinera_sprite_patreon.png", "https://patreon.com/miotatsu"},
    { "nothings", "Sean Barrett", "https://nothings.org/", "", ""},
    { "philipbuuck", "Philip Buuck", "http://philipbuuck.com/", "", ""},
322
    { "powerc9000", "Clay Murray", "http://claymurray.website/", "", ""},
323
    { "rygorous", "Fabian Giesen", "https://fgiesen.wordpress.com/", "", ""},
324
    { "schme", "Kasper Sauramo", "", "", ""},
325 326
    { "sssmcgrath", "Shawn McGrath", "http://www.dyadgame.com/", "", ""},
    { "thehappiecat", "Anne", "https://www.youtube.com/c/TheHappieCat", "cinera_sprite_patreon.png", "https://www.patreon.com/thehappiecat"},
327
    { "theinternetftw", "Ben Craddock", "", "", ""},
328
    { "wheatdog", "Tim Liou", "http://stringbulbs.com/", "", ""},
329 330
    { "williamchyr", "William Chyr", "http://williamchyr.com/", "", ""},
    { "wonchun", "Won Chun", "https://twitter.com/won3d", "", ""},
331 332 333 334 335 336 337 338 339 340 341 342
};

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

category_medium CategoryMedium[] =
{
    // medium        icon         written name
343
    { "admin",       "&#128505;", "Administrivia"},
344
    { "afk",         "&#8230;"  , "Away from Keyboard"},
345 346 347
    { "authored",    "&#128490;", "Chat Comment"}, // TODO(matt): Conditionally handle Chat vs Guest Comments
    { "blackboard",  "&#128396;", "Blackboard"},
    { "experience",  "&#127863;", "Experience"},
348 349
    { "hat",         "&#127913;", "Hat"},
    { "multimedia",  "&#127916;", "Media Clip"},
350 351 352 353 354
    { "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
355
    { "speech",      "&#128489;", "Speech"},
356
    { "trivia",      "&#127922;", "Trivia"},
357 358
};

Matt Mascarenhas's avatar
Matt Mascarenhas committed
359 360 361 362 363 364 365 366 367 368 369 370
enum
{
    NS_CALENDRICAL,
    NS_LINEAR,
    NS_SEASONAL,
} numbering_schemes;

typedef struct
{
    char *ProjectID;
    char *FullName;
    char *Unit; // e.g. Day, Episode, Session
371 372 373
    int NumberingScheme; // numbering_schemes
    char *Medium;
    char *AltURLPrefix; // NOTE(matt): This currently just straight up replaces the ProjectID in the player pages' output directories
Matt Mascarenhas's avatar
Matt Mascarenhas committed
374 375 376 377
} project_info;

project_info ProjectInfo[] =
{
378 379 380
    { "book",  "Book Club",      "Day", NS_LINEAR, "research",    "" },
    { "pcalc", "pcalc",          "Day", NS_LINEAR, "programming", "" },
    { "riscy", "RISCY BUSINESS", "Day", NS_LINEAR, "programming", "" },
381

382 383 384 385 386
    { "chat",       "Handmade Chat",         "Day", NS_LINEAR, "speech",      "" },
    { "code",       "Handmade Hero",         "Day", NS_LINEAR, "programming", "day" },
    { "intro-to-c", "Intro to C on Windows", "Day", NS_LINEAR, "programming", "day" },
    { "misc",       "Handmade Miscellany",   "",    NS_LINEAR, "admin",       "" },
    { "ray",        "Handmade Ray",          "Day", NS_LINEAR, "programming", "" },
387

388
    { "hmdshow", "HandmadeDev Show", "", NS_SEASONAL, "speech", "" },
389

390
    { "obbg", "Open Block Building Game", "Episode", NS_LINEAR, "programming", "" },
391

392
    { "sysadmin", "SysAdmin", "Session", NS_LINEAR, "admin", "" },
Matt Mascarenhas's avatar
Matt Mascarenhas committed
393 394
};

395 396
#define ArrayCount(A) sizeof(A)/sizeof(*(A))

397
__attribute__ ((format (printf, 2, 3)))
Matt Mascarenhas's avatar
Matt Mascarenhas committed
398
int
399
CopyString(char Dest[], char *Format, ...)
400
{
Matt Mascarenhas's avatar
Matt Mascarenhas committed
401
    int Length = 0;
402 403
    va_list Args;
    va_start(Args, Format);
Matt Mascarenhas's avatar
Matt Mascarenhas committed
404
    Length = vsprintf(Dest, Format, Args);
405
    va_end(Args);
Matt Mascarenhas's avatar
Matt Mascarenhas committed
406
    return Length;
407 408
}

409
int
410
StringLength(char *String)
411
{
412 413
    int i = 0;
    while(String[i])
414
    {
415
        ++i;
416
    }
417
    return i;
418 419
}

420
void
421
CopyBuffer(buffer *Dest, buffer *Src)
422 423 424 425
{
    Src->Ptr = Src->Location;
    while(*Src->Ptr)
    {
426 427 428 429
        // TODO(matt)
        {
            if(Dest->Ptr - Dest->Location >= Dest->Size)
            {
430
                fprintf(stderr, "CopyBuffer: %s cannot accommodate %s\n", Dest->ID, Src->ID);
431 432 433
                __asm__("int3");
            }
        }
434 435
        *Dest->Ptr++ = *Src->Ptr++;
    }
436
    *Dest->Ptr = '\0';
437 438
}

439
int
440 441
CopyStringNoFormat(char *Dest, char *String)
{
442
    int Length = 0;
443 444 445
    while(*String)
    {
        *Dest++ = *String++;
446
        ++Length;
447
    }
448
    *Dest = '\0';
449
    return Length;
450 451
}

452
// TODO(matt): Maybe do a version of this that takes a string as a Terminator
453 454 455 456 457 458 459 460 461 462 463 464 465
int
CopyStringNoFormatT(char *Dest, char *String, char Terminator)
{
    int Length = 0;
    while(*String != Terminator)
    {
        *Dest++ = *String++;
        ++Length;
    }
    *Dest = '\0';
    return Length;
}

466
__attribute__ ((format (printf, 2, 3)))
467
void
468
CopyStringToBuffer(buffer *Dest, char *Format, ...)
469
{
470 471
    va_list Args;
    va_start(Args, Format);
472
    int Length = vsnprintf(Dest->Ptr, Dest->Size - (Dest->Ptr - Dest->Location), Format, Args);
473
    va_end(Args);
Matt Mascarenhas's avatar
Matt Mascarenhas committed
474
    // TODO(matt)
475 476 477
    {
        if(Length + (Dest->Ptr - Dest->Location) >= Dest->Size)
        {
478 479
            fprintf(stderr, "CopyStringToBuffer: %s cannot accommodate %d-character string:\n"
                    "\n"
480
                    "%s\n", Dest->ID, Length, Format);
481 482 483
            __asm__("int3");
        }
    }
484
    Dest->Ptr += Length;
485 486
}

487 488 489 490 491 492 493 494 495 496 497 498 499
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 '<':
500 501 502
            CopyStringToBuffer(Dest, "&lt;");
            String++;
            break;
503
            case '>':
504 505 506
            CopyStringToBuffer(Dest, "&gt;");
            String++;
            break;
507
            case '&':
508 509 510
            CopyStringToBuffer(Dest, "&amp;");
            String++;
            break;
511
            case '\"':
512 513 514
            CopyStringToBuffer(Dest, "&quot;");
            String++;
            break;
515
            case '\'':
516 517 518
            CopyStringToBuffer(Dest, "&#39;");
            String++;
            break;
519
            default:
520 521
            *Dest->Ptr++ = *String++;
            break;
522 523 524 525
        }
    }
}

Matt Mascarenhas's avatar
Matt Mascarenhas committed
526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547
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;
        }
    }
}

548
int
549
StringsDiffer(char *A, char *B) // NOTE(matt): Two null-terminated strings
550
{
551
    while(*A && *B && *A == *B)
552 553 554 555 556 557
    {
        ++A, ++B;
    }
    return *A - *B;
}

558
bool
559 560
StringsDifferT(char *A, // NOTE(matt): Null-terminated string
               char *B, // NOTE(matt): Not null-terminated string (e.g. one mid-buffer)
561
               char Terminator // NOTE(matt): Caller definable terminator. Pass 0 to only match on the extent of A
562
               )
563
{
564
    int ALength = StringLength(A);
565
    int i = 0;
566
    while(i < ALength && A[i] && A[i] == B[i])
567 568 569
    {
        ++i;
    }
570
    if((!Terminator && !A[i] && ALength == i) ||
571
       (!A[i] && ALength == i && (B[i] == Terminator)))
572 573 574 575 576 577 578 579 580
    {
        return FALSE;
    }
    else
    {
        return TRUE;
    }
}

581 582 583
int
MakeDir(char *Path)
{
584
    // TODO(matt): Correctly check for permissions
585 586 587 588
    int i = StringLength(Path);
    int Ancestors = 0;
    while(mkdir(Path, 00755) == -1)
    {
589 590 591 592
        if(errno == EACCES)
        {
            return RC_ERROR_DIRECTORY;
        }
593 594 595 596 597 598
        while(Path[i] != '/' && i > 0)
        {
            --i;
        }
        ++Ancestors;
        Path[i] = '\0';
599
        if(i == 0) { return RC_ERROR_DIRECTORY; }
600 601 602 603 604 605 606 607 608 609 610
    }
    while(Ancestors > 0)
    {
        while(Path[i] != '\0')
        {
            ++i;
        }
        Path[i] = '/';
        --Ancestors;
        if((mkdir(Path, 00755)) == -1)
        {
611
            return RC_ERROR_DIRECTORY;
612 613
        }
    }
614 615 616 617
    return RC_SUCCESS;
}

void
618
LogUsage(buffer *Buffer)
619
{
Matt Mascarenhas's avatar
Matt Mascarenhas committed
620
#if DEBUG
Matt Mascarenhas's avatar
Matt Mascarenhas committed
621
    char LogPath[256];
622
    CopyString(LogPath, "%s/%s", Config.CacheDir, "buffers.log");
623 624 625
    FILE *LogFile;
    if(!(LogFile = fopen(LogPath, "a+")))
    {
626
        MakeDir(Config.CacheDir);
627 628 629 630 631 632 633 634
        if(!(LogFile = fopen(LogPath, "a+")))
        {
            perror("LogUsage");
            return;
        }
    }

    fprintf(LogFile, "%s,%ld,%d\n",
635 636 637
            Buffer->ID,
            Buffer->Ptr - Buffer->Location,
            Buffer->Size);
638
    fclose(LogFile);
Matt Mascarenhas's avatar
Matt Mascarenhas committed
639
#endif
640 641
}

642
__attribute__ ((format (printf, 2, 3)))
643
void
644
LogError(int LogLevel, char *Format, ...)
645 646 647
{
    if(Config.LogLevel >= LogLevel)
    {
Matt Mascarenhas's avatar
Matt Mascarenhas committed
648
        char LogPath[256];
649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668
        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);
    }
669 670 671 672 673 674
}

void
FreeBuffer(buffer *Buffer)
{
    free(Buffer->Location);
Matt Mascarenhas's avatar
Matt Mascarenhas committed
675
    Buffer->Location = '\0';
676 677 678 679 680 681
#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
682 683
}

684 685
#if 0
#define ClaimBuffer(MemoryArena, Buffer, ID, Size) if(__ClaimBuffer(MemoryArena, Buffer, ID, Size))\
686 687 688 689 690 691
{\
    fprintf(stderr, "%s:%d: MemoryArena cannot contain %s of size %d\n", __FILE__, __LINE__, ID, Size);\
    hmml_free(&HMML);\
    FreeBuffer(MemoryArena);\
    return 1;\
};
692
#endif
693 694

int
695
ClaimBuffer(buffer *Buffer, char *ID, int Size)
696
{
697
    if(MemoryArena.Ptr - MemoryArena.Location + Size > MemoryArena.Size)
698
    {
699
        return RC_ARENA_FULL;
700
    }
701
    Buffer->Location = (char *)MemoryArena.Ptr;
702 703
    Buffer->Size = Size;
    Buffer->ID = ID;
704
    MemoryArena.Ptr += Buffer->Size;
705 706 707
    *Buffer->Location = '\0';
    Buffer->Ptr = Buffer->Location;
#if DEBUG
708
    float PercentageUsed = (float)(MemoryArena.Ptr - MemoryArena.Location) / MemoryArena.Size * 100;
709
    printf("  ClaimBuffer(%s): %d\n"
710
           "    Total ClaimedMemory: %ld (%.2f%%, leaving %ld free)\n\n", Buffer->ID, Buffer->Size, MemoryArena.Ptr - MemoryArena.Location, PercentageUsed, MemoryArena.Size - (MemoryArena.Ptr - MemoryArena.Location));
711
#endif
712
    return RC_SUCCESS;
713 714 715
}

void
716
DeclaimBuffer(buffer *Buffer)
717 718
{
    *Buffer->Location = '\0';
719
    MemoryArena.Ptr -= Buffer->Size;
720 721
    float PercentageUsed = (float)(Buffer->Ptr - Buffer->Location) / Buffer->Size * 100;
#if DEBUG
722
    printf("DeclaimBuffer(%s)\n"
723 724
           "    Used: %ld / %d (%.2f%%)\n"
           "\n"
725
           "    Total ClaimedMemory: %ld\n\n",
726 727 728 729
           Buffer->ID,
           Buffer->Ptr - Buffer->Location,
           Buffer->Size,
           PercentageUsed,
730
           MemoryArena.Ptr - MemoryArena.Location);
731
#endif
732
    LogUsage(Buffer);
733 734 735
    if(PercentageUsed >= 80.0f)
    {
        // TODO(matt): Implement either dynamically growing buffers, or phoning home to [email protected]
736
        LogError(LOG_ERROR, "%s used %.2f%% of its allotted memory\n", Buffer->ID, PercentageUsed);
737 738
        fprintf(stderr, "Warning: %s used %.2f%% of its allotted memory\n", Buffer->ID, PercentageUsed);
    }
Matt Mascarenhas's avatar
Matt Mascarenhas committed
739
    Buffer->Size = 0;
740 741
}

742 743 744 745 746 747 748 749 750 751 752 753 754 755
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;
}

756 757 758 759 760 761 762
enum
{
    TEMPLATE_INDEX,
    TEMPLATE_PLAYER,
    TEMPLATE_BESPOKE
} templates;

763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797
char *
GetDirectoryPath(char *Filepath)
{
    char *Ptr = Filepath + StringLength(Filepath) - 1;
    while(Ptr > Filepath && *Ptr != '/')
    {
        --Ptr;
    }
    if(Ptr == Filepath)
    {
        *Ptr++ = '.';
    }
    *Ptr = '\0';
    return Filepath;
}

char *
GetBaseFilename(char *Filepath,
        char *Extension // Including the "."
                        // Pass 0 to retain the whole file path, only without its parent directories
        )
{
    char *BaseFilename = Filepath + StringLength(Filepath) - 1;
    while(BaseFilename > Filepath && *BaseFilename != '/')
    {
        --BaseFilename;
    }
    if(*BaseFilename == '/')
    {
        ++BaseFilename;
    }
    BaseFilename[StringLength(BaseFilename) - StringLength(Extension)] = '\0';
    return BaseFilename;
}

798 799 800
void
ConstructTemplatePath(template *Template, int TemplateType)
{
801 802 803 804
    // NOTE(matt): Bespoke template paths are set relative to:
    //                  in Project Edition: ProjectDir
    //                  in Single  Edition: Parent directory of .hmml file

805 806 807 808 809 810 811
    if(Template->Metadata.Filename[0] != '/')
    {
        char Temp[256];
        CopyString(Temp, Template->Metadata.Filename);
        char *Ptr = Template->Metadata.Filename;
        if(TemplateType == TEMPLATE_BESPOKE)
        {
812 813 814 815 816 817 818 819
            if(Config.Edition == EDITION_SINGLE)
            {
                Ptr += CopyString(Ptr, "%s/", GetDirectoryPath(Config.SingleHMMLFilePath));
            }
            else
            {
                Ptr += CopyString(Ptr, "%s/", Config.ProjectDir);
            }
820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837
        }
        else
        {
            Ptr += CopyString(Ptr, "%s/", Config.TemplatesDir);
        }
        CopyString(Ptr, "%s", Temp);
    }
}

void
Clear(char *String, int Size)
{
    for(int i = 0; i < Size; ++i)
    {
        String[i] = 0;
    }
}

838
int
839
InitTemplate(template **Template)
840
{
841 842 843 844
    if(MemoryArena.Ptr - MemoryArena.Location + sizeof(template) > MemoryArena.Size)
    {
        return RC_ARENA_FULL;
    }
845
    *Template = (template *)MemoryArena.Ptr;
846 847 848 849
    Clear((*Template)->Metadata.Filename, 256); // NOTE(matt): template_metadata specifies Filename[256]
    (*Template)->Metadata.Validity = 0;
    (*Template)->Metadata.TagCount = 0;
    for(int i = 0; i < 16; ++i) // NOTE(matt): template_metadata specifies Tag[16]
850
    {
851 852
        (*Template)->Metadata.Tag[i].Offset = 0;
        (*Template)->Metadata.Tag[i].TagCode = 0;
853
    }
854 855 856 857 858 859 860 861 862 863 864
    MemoryArena.Ptr += sizeof(template);
    return RC_SUCCESS;
}

int
ClaimTemplate(template **Template, char *Location, int TemplateType)
{
    CopyString((*Template)->Metadata.Filename, Location);
    ConstructTemplatePath((*Template), TemplateType);

    if(TemplateType == TEMPLATE_BESPOKE)
865
    {
866
        fprintf(stderr, "\e[0;35mPacking\e[0m template: %s\n", (*Template)->Metadata.Filename);
867
    }
868 869 870 871 872 873

    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));
874
        Clear((*Template)->Metadata.Filename, 256); // NOTE(matt): template_metadata specifies Filename[256]
875 876 877 878
        return RC_ERROR_FILE;
    }
    fseek(File, 0, SEEK_END);
    (*Template)->Buffer.Size = ftell(File);
879
    if(MemoryArena.Ptr - MemoryArena.Location + (*Template)->Buffer.Size > MemoryArena.Size)
880
    {
881
        Clear((*Template)->Metadata.Filename, 256); // NOTE(matt): template_metadata specifies Filename[256]
882 883
        return RC_ARENA_FULL;
    }
884

885 886 887
    (*Template)->Buffer.Location = MemoryArena.Ptr;
    (*Template)->Buffer.Ptr = (*Template)->Buffer.Location;
    (*Template)->Buffer.ID = (*Template)->Metadata.Filename;
888 889 890 891 892

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

893 894
    MemoryArena.Ptr += (*Template)->Buffer.Size;

895
#if DEBUG
896 897
    printf("  ClaimTemplate(%s): %d\n"
           "    Total ClaimedMemory: %ld\n\n", (*Template)->Metadata.Filename, (*Template)->Buffer.Size, MemoryArena.Ptr - MemoryArena.Location);
898 899 900 901 902
#endif
    return RC_SUCCESS;
}

int
903
DeclaimTemplate(template *Template)
904
{
905 906 907 908 909 910 911 912 913 914
    Clear(Template->Metadata.Filename, 256);
    Template->Metadata.Validity = 0;
    for(int i = 0; i < Template->Metadata.TagCount; ++i)
    {
        Template->Metadata.Tag[i].Offset = 0;
        Template->Metadata.Tag[i].TagCode = 0;
    }
    Template->Metadata.TagCount = 0;
    MemoryArena.Ptr -= (*Template).Buffer.Size;

915
#if DEBUG
916
    printf("DeclaimTemplate(%s)\n"
917
           "    Total ClaimedMemory: %ld\n\n",
918 919
           (*Template).Metadata.Filename,
           MemoryArena.Ptr - MemoryArena.Location);
920 921 922 923
#endif
    return RC_SUCCESS;
}

924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955
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];
}

956 957
typedef struct
{
958 959 960
    unsigned int Hue:16;
    unsigned int Saturation:8;
    unsigned int Lightness:8;
961 962 963
} hsl_colour;

hsl_colour
964 965
CharToColour(char Char)
{
966
    hsl_colour Colour;
967 968
    if(Char >= 'a' && Char <= 'z')
    {
969 970
        Colour.Hue = (((float)Char - 'a') / ('z' - 'a') * 360);
        Colour.Saturation = (((float)Char - 'a') / ('z' - 'a') * 26 + 74);
971 972 973
    }
    else if(Char >= 'A' && Char <= 'Z')
    {
974 975
        Colour.Hue = (((float)Char - 'A') / ('Z' - 'A') * 360);
        Colour.Saturation = (((float)Char - 'A') / ('Z' - 'A') * 26 + 74);
976 977 978
    }
    else if(Char >= '0' && Char <= '9')
    {
979 980
        Colour.Hue = (((float)Char - '0') / ('9' - '0') * 360);
        Colour.Saturation = (((float)Char - '0') / ('9' - '0') * 26 + 74);
981 982 983
    }
    else
    {
984 985
        Colour.Hue = 180;
        Colour.Saturation = 50;
986
    }
987

988
    return Colour;
989 990
}

991 992
hsl_colour *
StringToColourHash(hsl_colour *Colour, char *String)
993
{
994 995
    Colour->Hue = 0;
    Colour->Saturation = 0;
Matt Mascarenhas's avatar
Matt Mascarenhas committed
996
    Colour->Lightness = 74;
997

998 999 1000
    int i;
    for(i = 0; String[i]; ++i)
    {
1001 1002
        Colour->Hue += CharToColour(String[i]).Hue;
        Colour->Saturation += CharToColour(String[i]).Saturation;
1003
    }
1004

1005 1006 1007
    Colour->Hue = Colour->Hue % 360;
    Colour->Saturation = Colour->Saturation % 26 + 74;
    return(Colour);
1008 1009
}

1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020
char *
SanitisePunctuation(char *String)
{
    char *Ptr = String;
    while(*Ptr)
    {
        if(*Ptr == ' ')
        {
            *Ptr = '_';
        }
        if((*Ptr < '0' || *Ptr > '9') &&
1021 1022
           (*Ptr < 'a' || *Ptr > 'z') &&
           (*Ptr < 'A' || *Ptr > 'Z'))
1023 1024 1025 1026 1027 1028 1029 1030
        {
            *Ptr = '-';
        }
        ++Ptr;
    }
    return String;
}

1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046
enum
{
    INCLUDE_CSS,
    INCLUDE_Images,
    INCLUDE_JS,
} include_types;

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

void
ConstructURLPrefix(buffer *URLPrefix, int IncludeType, int PageType)
{
1047
    RewindBuffer(URLPrefix);
1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086
    if(StringsDiffer(Config.RootURL, ""))
    {
        URLPrefix->Ptr += CopyString(URLPrefix->Ptr, "%s/", Config.RootURL);
    }
    else
    {
        if(Config.Edition == EDITION_PROJECT)
        {
            if(PageType == PAGE_PLAYER)
            {
                URLPrefix->Ptr += CopyString(URLPrefix->Ptr, "../");
            }
            URLPrefix->Ptr += CopyString(URLPrefix->Ptr, "../");
        }
    }

    switch(IncludeType)
    {
        case INCLUDE_CSS:
            if(StringsDiffer(Config.CSSDir, ""))
            {
                URLPrefix->Ptr += CopyString(URLPrefix->Ptr, "%s/", Config.CSSDir);
            }
            break;
        case INCLUDE_Images:
            if(StringsDiffer(Config.ImagesDir, ""))
            {
                URLPrefix->Ptr += CopyString(URLPrefix->Ptr, "%s/", Config.ImagesDir);
            }
            break;
        case INCLUDE_JS:
            if(StringsDiffer(Config.JSDir, ""))
            {
                URLPrefix->Ptr += CopyString(URLPrefix->Ptr, "%s/", Config.JSDir);
            }
            break;
    }
}

1087
enum
1088
{
1089 1090 1091
    CreditsError_NoHost,
    CreditsError_NoAnnotator,
    CreditsError_NoCredentials
Matt Mascarenhas's avatar
Matt Mascarenhas committed
1092
} credits_errors;
1093

1094
int
1095
SearchCredentials(buffer *CreditsMenu, bool *HasCreditsMenu, char *Person, char *Role)
1096 1097
{
    bool Found = FALSE;
1098 1099
    for(int CredentialIndex = 0; CredentialIndex < ArrayCount(Credentials); ++CredentialIndex)
    {
1100
        if(!StringsDiffer(Person, Credentials[CredentialIndex].Username))
1101
        {
1102 1103 1104 1105
            Found = TRUE;
            if(*HasCreditsMenu == FALSE)
            {
                CopyStringToBuffer(CreditsMenu,
Matt Mascarenhas's avatar
Matt Mascarenhas committed
1106 1107 1108 1109
                        "            <div class=\"menu credits\">\n"
                        "                <div class=\"mouse_catcher\"></div>\n"
                        "                <span>Credits</span>\n"
                        "                <div class=\"credits_container\">\n");
1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125

                *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);
1126 1127 1128
            }
            else
            {
1129 1130 1131 1132 1133 1134 1135
                CopyStringToBuffer(CreditsMenu,
                        "                        <div class=\"person\">\n"
                        "                            <div class=\"role\">%s</div>\n"
                        "                            <div class=\"name\">%s</div>\n"
                        "                        </div>\n",
                        Role,
                        Credentials[CredentialIndex].CreditedName);
1136
            }
1137

1138
            if(*Credentials[CredentialIndex].SupportIcon && *Credentials[CredentialIndex].SupportURL)
1139
            {
1140
                buffer URLPrefix;
1141
                ClaimBuffer(&URLPrefix, "URLPrefix", 1024);
1142
                ConstructURLPrefix(&URLPrefix, INCLUDE_Images, PAGE_PLAYER);
Matt Mascarenhas's avatar
Matt Mascarenhas committed
1143 1144 1145
                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,
1146
                        URLPrefix.Location,
Matt Mascarenhas's avatar
Matt Mascarenhas committed
1147
                        Credentials[CredentialIndex].SupportIcon);
1148
                DeclaimBuffer(&URLPrefix);
1149
            }
1150

1151 1152
            CopyStringToBuffer(CreditsMenu,
                    "                    </span>\n");
1153
        }
1154 1155 1156
    }
    return Found ? 0 : CreditsError_NoCredentials;
}
1157

1158
int
1159
BuildCredits(buffer *CreditsMenu, bool *HasCreditsMenu, HMML_VideoMetaData *Metadata)
Matt Mascarenhas's avatar
Matt Mascarenhas committed
1160
// TODO(matt): Make this take the Credentials, once we are parsing them from a config
1161
{
1162
    if(Metadata->member)
1163
    {
1164
        if(SearchCredentials(CreditsMenu, HasCreditsMenu, Metadata->member, "Host"))
1165
        {
1166 1167 1168
            printf("No credentials for %s. Please contact [email protected] with their:\n"
                    "    Full name\n"
                    "    Homepage URL (optional)\n"
1169
                    "    Financial support info, e.g. Patreon URL (optional)\n", Metadata->member);
1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182
        }
    }
    else
    {
        if(*HasCreditsMenu == TRUE)
        {
            CopyStringToBuffer(CreditsMenu,
                    "                </div>\n"
                    "            </div>\n");
        }
        return CreditsError_NoHost;
    }

1183
    if(Metadata->co_host_count > 0)
1184
    {
1185
        for(int i = 0; i < Metadata->co_host_count; ++i)
1186
        {
1187
            if(SearchCredentials(CreditsMenu, HasCreditsMenu, Metadata->co_hosts[i], "Co-host"))
1188
            {
1189 1190 1191
                printf("No credentials for %s. Please contact [email protected] with their:\n"
                        "    Full name\n"
                        "    Homepage URL (optional)\n"
1192
                        "    Financial support info, e.g. Patreon URL (optional)\n", Metadata->co_hosts[i]);
1193
            }
1194 1195
        }
    }
1196

1197
    if(Metadata->guest_count > 0)
1198
    {
1199
        for(int i = 0; i < Metadata->guest_count; ++i)
1200
        {
1201
            if(SearchCredentials(CreditsMenu, HasCreditsMenu, Metadata->guests[i], "Guest"))
1202
            {
1203 1204 1205
                printf("No credentials for %s. Please contact [email protected] with their:\n"
                        "    Full name\n"
                        "    Homepage URL (optional)\n"
1206
                        "    Financial support info, e.g. Patreon URL (optional)\n", Metadata->guests[i]);
1207 1208 1209
            }
        }
    }
1210

1211
    if(Metadata->annotator_count > 0)