From 87b6bb11d12f4bc4ab54f58b944c920f2e859d1b Mon Sep 17 00:00:00 2001
From: Alex Taber <alexftaber@gmail.com>
Date: Sat, 26 Aug 2017 19:24:17 -0400
Subject: [PATCH] Add smdh parsing (errors out for some reason)

---
 Makefile          |  4 ++--
 include/themes.h  |  2 ++
 include/unicode.h |  1 +
 source/main.c     | 14 ++++++++------
 source/themes.c   | 18 ++++++++++++++++++
 source/unicode.c  | 10 ++++++++++
 6 files changed, 41 insertions(+), 8 deletions(-)

diff --git a/Makefile b/Makefile
index 164b883..0c71f8a 100644
--- a/Makefile
+++ b/Makefile
@@ -39,8 +39,8 @@ INCLUDES	:=	include
 #---------------------------------------------------------------------------------
 ARCH	:=	-march=armv6k -mtune=mpcore -mfloat-abi=hard -mtp=soft
 
-CFLAGS	:=	-g -Wall -Wextra -Wno-pointer-sign -O2 -mword-relocations \
-			-fomit-frame-pointer -ffunction-sections \
+CFLAGS	:=	-g -Wall -Wextra -Wno-pointer-sign -mword-relocations \
+			-ffunction-sections \
 			$(ARCH)
 
 CFLAGS	+=	$(INCLUDE) -DARM11 -D_3DS
diff --git a/include/themes.h b/include/themes.h
index 6c2bfd9..121036e 100644
--- a/include/themes.h
+++ b/include/themes.h
@@ -14,5 +14,7 @@ typedef struct {
 } theme;
 
 Result single_install(theme);
+int scan_themes(theme **themes);
+void parse_smdh(theme *entry, u16 *path);
 
 #endif
\ No newline at end of file
diff --git a/include/unicode.h b/include/unicode.h
index 96f6547..b32ebd0 100644
--- a/include/unicode.h
+++ b/include/unicode.h
@@ -6,5 +6,6 @@
 ssize_t strulen(u16*, ssize_t);
 void struacat(u16 *input, const char *addition);
 void printu(u16 *input);
+u16 *strucat(u16 *destination, const u16 *source);
 
 #endif
\ No newline at end of file
diff --git a/source/main.c b/source/main.c
index ac14b38..3b8d3a7 100644
--- a/source/main.c
+++ b/source/main.c
@@ -37,17 +37,19 @@ int main(void)
     consoleInit(GFX_TOP, NULL);
 
     int theme_count = get_number_entries("/Themes");
-    theme *theme = calloc(1, sizeof(theme));
-    u16 path[262] = {0};
-    utf8_to_utf16(path, (u8*)"/Themes/Saber Lily", 262 * sizeof(u16));
-    memcpy(theme->path, path, 262 * sizeof(u16));
-    theme->is_zip = false;
     
     while(aptMainLoop())
     {
         hidScanInput();
         u32 kDown = hidKeysDown();
-        if (kDown & KEY_A) single_install(*theme);
+        if (kDown & KEY_A)
+        {        
+            theme *theme = malloc(sizeof(theme));
+            u16 path[262] = {0};
+            struacat(path, "/Themes/Saber Lily");
+            parse_smdh(theme, path);
+            printu(theme->name);
+        }
         if (kDown & KEY_START)
         {
             close_archives();   
diff --git a/source/themes.c b/source/themes.c
index fe6ccb3..91e0435 100644
--- a/source/themes.c
+++ b/source/themes.c
@@ -113,4 +113,22 @@ Result single_install(theme theme_to_install)
     printf("Done!\n");
 
     return 0;
+}
+
+void parse_smdh(theme *entry, u16 *path)
+{
+    u16 path_to_smdh[0x106] = {0};
+    printu(path);
+    strucat(path_to_smdh, path);
+    struacat(path_to_smdh, "/info.smdh");
+    printu(path_to_smdh);
+    char *info_buffer;
+
+    u64 size = file_to_buf(fsMakePath(PATH_UTF16, path_to_smdh), ArchiveSD, &info_buffer);
+    printf("Size: %llu\n", size);
+    memcpy(entry->name, info_buffer + 0x08, 0x80);
+    memcpy(entry->desc, info_buffer + 0x88, 0x100);
+    memcpy(entry->author, info_buffer + 0x188, 0x80);
+    memcpy(entry->icon_data, info_buffer + 0x2040, 0x1200);
+    free(info_buffer);
 }
\ No newline at end of file
diff --git a/source/unicode.c b/source/unicode.c
index 8897b62..ab5904d 100644
--- a/source/unicode.c
+++ b/source/unicode.c
@@ -29,4 +29,14 @@ void printu(u16 *input)
     for (u16 i = 0; i < buf_len; i++) buf[i] = input[i];
     printf("%ls\n", buf);
     free(buf);
+}
+
+u16 *strucat(u16 *destination, const u16 *source)
+{
+    ssize_t dest_len = strulen(destination, 0x106);
+
+    ssize_t source_len = strulen(source, 0x106);
+
+    memcpy(&destination[dest_len], source, source_len * sizeof(u16));
+    return destination;
 }
\ No newline at end of file