From f83ea1f6c46f4b9e2c6e97a86479aa640c7ccfee Mon Sep 17 00:00:00 2001
From: Alex Taber <alexftaber@gmail.com>
Date: Wed, 2 Aug 2017 08:07:58 -0400
Subject: [PATCH] Wot

---
 include/fs.h     | 13 +++++++
 include/themes.h | 16 +++++++++
 source/fs.c      | 93 ++++++++++++++++++++++++++++++++++++++++++++++++
 source/main.c    | 40 +++++++++++++++++++++
 source/themes.c  | 17 +++++++++
 5 files changed, 179 insertions(+)
 create mode 100644 include/fs.h
 create mode 100644 include/themes.h
 create mode 100644 source/fs.c
 create mode 100644 source/main.c
 create mode 100644 source/themes.c

diff --git a/include/fs.h b/include/fs.h
new file mode 100644
index 0000000..1716629
--- /dev/null
+++ b/include/fs.h
@@ -0,0 +1,13 @@
+#ifndef FS_H
+#define FS_H
+
+#include <3ds.h>
+
+FS_Archive ArchiveSD;
+FS_Archive ArchiveHomeExt;
+FS_Archive ArchiveThemeExt;
+
+Result open_archives(void);
+int get_number_entries(char*);
+
+#endif
\ No newline at end of file
diff --git a/include/themes.h b/include/themes.h
new file mode 100644
index 0000000..405de08
--- /dev/null
+++ b/include/themes.h
@@ -0,0 +1,16 @@
+#ifndef THEMES_H
+#define THEMES_H
+
+typedef struct {
+    u16 name[0x40];
+    u16 desc[0x80];
+    u16 author[0x40];
+    char icon_data[0x1200];
+    u16 path[262];
+    ssize_t path_len;
+    bool is_zip;
+} theme;
+
+Result single_install(theme*);
+
+#endif
\ No newline at end of file
diff --git a/source/fs.c b/source/fs.c
new file mode 100644
index 0000000..3cdc7b1
--- /dev/null
+++ b/source/fs.c
@@ -0,0 +1,93 @@
+#include <3ds.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "fs.h"
+
+Result open_archives(void)
+{
+
+    u8 regionCode;
+    u32 archive1;
+    u32 archive2;
+
+    Result retValue;
+
+    FS_Path home;
+    FS_Path theme;
+
+    CFGU_SecureInfoGetRegion(&regionCode);
+    switch(regionCode)
+    {
+        case 1:
+            archive1 = 0x000002cd;
+            archive2 = 0x0000008f;
+            break;
+        case 2:
+            archive1 = 0x000002ce;
+            archive2 = 0x00000098;
+            break;
+        case 3:
+            archive1 = 0x000002cc;
+            archive2 = 0x00000082;
+            break;
+        default:
+            archive1 = 0x00;
+            archive2 = 0x00;
+    }
+
+    retValue = FSUSER_OpenArchive(&ArchiveSD, ARCHIVE_SDMC, fsMakePath(PATH_EMPTY, ""));
+    if(R_FAILED(retValue)) return retValue;
+
+    u32 homeMenuPath[3] = {MEDIATYPE_SD, archive2, 0};
+    home.type = PATH_BINARY;
+    home.size = 0xC;
+    home.data = homeMenuPath;
+    retValue = FSUSER_OpenArchive(&ArchiveHomeExt, ARCHIVE_EXTDATA, home);  
+    if(R_FAILED(retValue)) return retValue;
+
+    u32 themePath[3] = {MEDIATYPE_SD, archive1, 0};
+    theme.type = PATH_BINARY;
+    theme.size = 0xC;
+    theme.data = themePath;
+    retValue = FSUSER_OpenArchive(&ArchiveThemeExt, ARCHIVE_EXTDATA, theme);    
+    if(R_FAILED(retValue)) return retValue;
+    return 0;
+}
+
+int get_number_entries(char *path)
+{
+    int count = 0;
+    Handle dir_handle;
+    Result res = FSUSER_OpenDirectory(&dir_handle, ArchiveSD, fsMakePath(PATH_ASCII, path));
+    if (R_FAILED(res)) return -1;
+
+    bool done = false;
+    while (!done)
+    {
+        FS_DirectoryEntry *entry = malloc(sizeof(entry));
+        u32 entries_read;
+        FSDIR_Read(dir_handle, &entries_read, 1, entry);
+        u32 attributes = entry->attributes;
+        char shortExt[0x4] = {0};
+        strcpy(shortExt, entry->shortExt);
+        free (entry);
+        if (entries_read && (!strcmp(shortExt, "ZIP") || attributes == 0)) count ++;
+        else if (!entries_read) break;
+    }
+    FSDIR_Close(dir_handle);
+    return count;
+}
+
+Result file_to_buf(FS_Path path, char* buf)
+{
+    Handle file;
+    Result res = FSUSER_OpenFile(&file, ArchiveSD, path, FS_OPEN_READ, 0);
+    if (R_FAILED(res)) return res;
+
+    u32 size;
+    FSFILE_GetSize(file, &size);
+    buf = malloc(size);
+    res = FSFILE_Read(file, NULL, 0, buf, size);
+    return res;
+}
\ No newline at end of file
diff --git a/source/main.c b/source/main.c
new file mode 100644
index 0000000..144e4ac
--- /dev/null
+++ b/source/main.c
@@ -0,0 +1,40 @@
+#include <stdlib.h>
+
+#include "fs.h"
+#include "themes.h"
+
+int init_services(void)
+{
+    gfxInitDefault();
+    cfguInit();
+    srvInit();  
+    hidInit();
+    fsInit();   
+    ptmSysmInit();
+    open_archives();
+    return 0;
+}
+
+int de_init_services(void)
+{
+    gfxExit();
+    cfguExit();
+    srvExit();
+    hidExit();
+    fsExit();
+    ptmSysmExit();
+    // close_archives(); // TODO: Implement
+    return 0;
+}
+
+int main(void)
+{
+    init_services();
+
+    int theme_count = get_number_entries("/Themes");
+    theme** theme_list = calloc(theme_count, sizeof(theme*));
+    
+    free(theme_list);
+    de_init_services();
+    return 0;
+}
diff --git a/source/themes.c b/source/themes.c
new file mode 100644
index 0000000..382f71c
--- /dev/null
+++ b/source/themes.c
@@ -0,0 +1,17 @@
+#include <3ds.h>
+#include <stdlib.h>
+
+#include "themes.h"
+
+Result single_install(theme* theme)
+{
+	char *body;
+
+	u16 path[262] = {0};
+	memcpy(path, theme->path, 262);
+	u16 body_path[12];
+	ssize_t len = utf8_to_utf16(body_path, (u8*) "/body_lz.bin", 12);
+	memcpy(&path[theme->path_len], body_path, 12);
+
+	file_to_buf(fsMakePath(PATH_UTF16, path), body);
+}
\ No newline at end of file