From d8b21171a1d50ec5aa6de7fe02950c0a2a10b91b Mon Sep 17 00:00:00 2001
From: Matt Mascarenhas <matt@handmadedev.org>
Date: Wed, 23 Aug 2017 21:30:08 +0100
Subject: [PATCH] hmml_to_html.c: Begin refactor

---
 hmml_to_html/hmml_to_html.c | 94 ++++++++++++++++++++++++++++++++-----
 1 file changed, 83 insertions(+), 11 deletions(-)

diff --git a/hmml_to_html/hmml_to_html.c b/hmml_to_html/hmml_to_html.c
index 4ef0b44..53023e5 100644
--- a/hmml_to_html/hmml_to_html.c
+++ b/hmml_to_html/hmml_to_html.c
@@ -1,6 +1,6 @@
 #if 0
 ctime -begin ${0%.*}.ctm
-gcc -g -no-pie -fsanitize=address -Wall -std=c99 -pipe $0 -o ${0%.*} hmml.a -lcurl
+gcc -g -fsanitize=address -Wall -std=c99 -pipe $0 -o ${0%.*} hmml.a -lcurl
 ctime -end ${0%.*}.ctm
 exit
 #endif
@@ -21,6 +21,8 @@ typedef unsigned int bool;
 #include <curl/curl.h>
 #include <time.h>
 #include <sys/stat.h>
+#include <sys/types.h>
+#include <dirent.h>
 
 #define Kilobytes(Bytes) Bytes << 10
 #define Megabytes(Bytes) Bytes << 20
@@ -123,7 +125,7 @@ category_medium CategoryMedium[] =
     { "trivia",      "&#127922;", "Trivia"},
 };
 
-#define EDITION EDITION_SINGLE
+int EDITION = EDITION_SINGLE;
 
 #define ArrayCount(A) sizeof(A)/sizeof(*(A))
 
@@ -1421,11 +1423,13 @@ ParseConfig(buffer *Buffer, char *Username)
 #endif
 
 void
-PrintUsage(char *BinaryLocation, char *DefaultCSSDir, char *DefaultImagesDir, char *DefaultJSDir, char *DefaultDefaultMedium, char *DefaultOutLocation, char *DefaultTemplateLocation)
+PrintUsage(char *BinaryLocation, char *DefaultBaseDirectory, char *DefaultCSSDir, char *DefaultImagesDir, char *DefaultJSDir, char *DefaultDefaultMedium, char *DefaultOutLocation, char *DefaultProjectDirectory, char *DefaultTemplateLocation)
 {
     fprintf(stderr, "Usage: %s [option(s)] filename(s)\n"
             "\n"
             "Options:\n"
+            "    -b <base output directory>\n"
+            "        Override default base output directory (\"%s\")\n"
             "    -c <CSS directory path>\n"
             "        Override default CSS directory (\"%s\")\n"
             "    -f\n"
@@ -1438,6 +1442,8 @@ PrintUsage(char *BinaryLocation, char *DefaultCSSDir, char *DefaultImagesDir, ch
             "        Override default default medium (\"%s\")\n"
             "    -o <output location>\n"
             "        Override default output location (\"%s\")\n"
+            "    -p <project directory>\n"
+            "        Override default project directory (\"%s\")\n"
             "    -t <template location>\n"
             "        Override default template location (\"%s\")\n"
             "        and automatically enable integration\n"
@@ -1461,13 +1467,16 @@ PrintUsage(char *BinaryLocation, char *DefaultCSSDir, char *DefaultImagesDir, ch
             "\n"
             "HMML Specification:\n"
             "    https://git.handmade.network/Annotation-Pushers/Annotation-System/wikis/hmmlspec\n",
-            BinaryLocation, DefaultCSSDir, DefaultImagesDir, DefaultJSDir, DefaultDefaultMedium, DefaultOutLocation, DefaultTemplateLocation);
+            BinaryLocation, DefaultBaseDirectory, DefaultCSSDir, DefaultImagesDir, DefaultJSDir, DefaultDefaultMedium, DefaultOutLocation, DefaultProjectDirectory, DefaultTemplateLocation);
 }
 
 int
 main(int ArgC, char **Args)
 {
     // TODO(matt): Read all defaults from the config
+    char *DefaultBaseOutputDir = ".";
+    char *BaseOutputDir = DefaultBaseOutputDir;
+
     char *DefaultCSSDir = ".";
     char *CSSDir = DefaultCSSDir;
 
@@ -1491,6 +1500,9 @@ main(int ArgC, char **Args)
     char *DefaultOutIntegratedLocation = "out_integrated.html";
     char *OutIntegratedLocation = DefaultOutIntegratedLocation;
 
+    char *DefaultProjectDir = ".";
+    char *ProjectDir = DefaultProjectDir;
+
     char *CINERA_MODE = getenv("CINERA_MODE");
 
     bool DefaultForceIntegration = FALSE;
@@ -1508,15 +1520,18 @@ main(int ArgC, char **Args)
 
     if(ArgC < 2)
     {
-        PrintUsage(Args[0], DefaultCSSDir, DefaultImagesDir, DefaultJSDir, DefaultDefaultMedium, DefaultOutLocation, DefaultTemplateLocation);
+        PrintUsage(Args[0], DefaultBaseOutputDir, DefaultCSSDir, DefaultImagesDir, DefaultJSDir, DefaultDefaultMedium, DefaultOutLocation, DefaultProjectDir, DefaultTemplateLocation);
         return 1;
     }
 
     char CommandLineArg;
-    while((CommandLineArg = getopt(ArgC, Args, "c:fi:j:m:o:q:t:h")) != -1)
+    while((CommandLineArg = getopt(ArgC, Args, "b:c:fi:j:m:o:p:q:t:h")) != -1)
     {
         switch(CommandLineArg)
         {
+            case 'b':
+                BaseOutputDir = optarg;
+                break;
             case 'c':
                 CSSDir = optarg;
                 break;
@@ -1536,6 +1551,9 @@ main(int ArgC, char **Args)
                 OutLocation = optarg;
                 OutIntegratedLocation = optarg;
                 break;
+            case 'p':
+                ProjectDir = optarg;
+                break;
             case 't':
                 TemplateLocation = optarg;
                 CINERA_MODE="INTEGRATE";
@@ -1544,15 +1562,62 @@ main(int ArgC, char **Args)
             // Override config path, once we even have a default!
             case 'h':
             default:
-                PrintUsage(Args[0], DefaultCSSDir, DefaultImagesDir, DefaultJSDir, DefaultDefaultMedium, DefaultOutLocation, DefaultTemplateLocation);
+                PrintUsage(Args[0], DefaultBaseOutputDir, DefaultCSSDir, DefaultImagesDir, DefaultJSDir, DefaultDefaultMedium, DefaultOutLocation, DefaultProjectDir, DefaultTemplateLocation);
                 return 1;
         }
     }
 
-    if(optind == ArgC)
+    if(StringsDiffer(BaseOutputDir, ".") || StringsDiffer(ProjectDir, "."))
+    {
+        if(StringsDiffer(BaseOutputDir, ".") && StringsDiffer(ProjectDir, "."))
+        {
+            EDITION = EDITION_PROJECT;
+        }
+        else
+        {
+            fprintf(stderr, "%s: Both the Base Output Directory and the Project Directory must be set in order for us to enter Project Mode\n", Args[0]);
+            return 1;
+        }
+    }
+
+    DIR *ProjectDirHandle;
+    if(!(ProjectDirHandle = opendir(ProjectDir)))
+    {
+        perror(Args[0]);
+    }
+
+    struct dirent *ProjectFiles;
+    char Filenames[255][255]; // TODO(matt): Figure out how to allow an arbitrary number of filenames here
+    int FileIndex = 0;
+    while((ProjectFiles = readdir(ProjectDirHandle)))
+    {
+        // TODO(matt):
+        //
+        // Test the ProjectFiles->d_name against ".hmml" and, if the filename ends in that string, then stuff that filename into an array
+        char *Ptr = ProjectFiles->d_name;
+        Ptr += (StringLength(ProjectFiles->d_name) - StringLength(".hmml"));
+        if(!(StringsDiffer(Ptr, ".hmml")))
+        {
+            CopyString(Filenames[FileIndex], ProjectFiles->d_name);
+            ++FileIndex;
+        }
+    }
+    closedir(ProjectDirHandle);
+    for(int i = 0; i < ArrayCount(Filenames); ++i)
+    {
+        if(StringsDiffer(Filenames[i], ""))
+        {
+            printf("%s\n", Filenames[i]);
+        }
+    }
+    return 1;
+
+    if((EDITION == EDITION_SINGLE && optind == ArgC) ||
+            // TODO(matt): Test against the number of .hmml files in the project directory
+            (EDITION == EDITION_PROJECT && 1))
     {
         fprintf(stderr, "%s: requires at least one input .hmml file\n", Args[0]);
-        PrintUsage(Args[0], DefaultCSSDir, DefaultImagesDir, DefaultJSDir, DefaultDefaultMedium, DefaultOutLocation, DefaultTemplateLocation);
+        PrintUsage(Args[0], DefaultBaseOutputDir, DefaultCSSDir, DefaultImagesDir, DefaultJSDir, DefaultDefaultMedium, DefaultOutLocation, DefaultProjectDir, DefaultTemplateLocation);
         return 1;
     }
 
@@ -1740,12 +1805,12 @@ main(int ArgC, char **Args)
                         {
                             break;
                         }
-                        Template.Ptr++;
+                        ++Template.Ptr;
                     }
                 }
                 else
                 {
-                    Template.Ptr++;
+                    ++Template.Ptr;
                 }
             }
 
@@ -1829,8 +1894,11 @@ main(int ArgC, char **Args)
     buffer Script;
     buffer FilterState;
 
+    //HMMLToBuffers(&CollationBuffers, Filename);
+
     for(int FileIndex = optind; FileIndex < ArgC; ++FileIndex)
     {
+        // NOTE(matt): Start of HMMLToBuffers()
         FILE *InFile;
         if(!(InFile = fopen(Args[FileIndex], "r")))
         {
@@ -3066,6 +3134,7 @@ goto Cleanup;
                                "}\n"
                                "        </script>");
 
+            // NOTE(matt): Don't include this in HMMLToBuffers()
 #if DEBUG
             printf("Buffer Collation\n\n");
 #endif
@@ -3228,6 +3297,8 @@ goto Cleanup;
                 fclose(OutFile);
             }
 
+            // NOTE(matt): Start to include this stuff in HMMLToBuffers()
+
             // NOTE(matt): Tree structure of "global" buffer dependencies
             //          FilterState
             //      Script
@@ -3263,6 +3334,7 @@ Cleanup:
             fprintf(stderr, "%s:%d: %s\n", Args[FileIndex], HMML.error.line, HMML.error.message);
         }
         hmml_free(&HMML);
+        // NOTE(matt): End of HMMLToBuffers()
     }
     free(MemoryArena.Location);
 }