Parse meta information from .ini if it's a .wuhb

src/main.cpp

@@ -1,5 +1,4 @@
 #include <wups.h>
-#include <cstdio>
 #include <cstring>
 #include <coreinit/debug.h>
 #include <coreinit/title.h>
@@ -10,7 +9,6 @@
 #include <sysapp/title.h>
 #include <coreinit/dynload.h>
 #include <nn/acp.h>
-#include <coreinit/ios.h>
 #include <utils/logger.h>
 #include "utils/StringTools.h"
 #include <fs/DirList.h>
@@ -20,7 +18,7 @@
 #include "fs/FSUtils.h"
 #include "romfs_helper.h"
 #include "filelist.h"
-#include "utils/utils.h"
+#include "utils/ini.h"
 
 typedef struct ACPMetaData {
     char bootmovie[80696];
@@ -85,9 +83,9 @@ void fillXmlForTitleID(uint32_t titleid_upper, uint32_t titleid_lower, ACPMetaXm
         return;
     }
     out_buf->title_id = ((uint64_t) titleid_upper * 0x100000000) + titleid_lower;
-    strncpy(out_buf->longname_en, gFileInfos[id].name, 511);
-    strncpy(out_buf->shortname_en, gFileInfos[id].name, 255);
-    strncpy(out_buf->publisher_en, gFileInfos[id].name, 255);
+    strncpy(out_buf->longname_en, gFileInfos[id].longname, 64);
+    strncpy(out_buf->shortname_en, gFileInfos[id].shortname, 64);
+    strncpy(out_buf->publisher_en, gFileInfos[id].author, 64);
     out_buf->e_manual = 1;
     out_buf->e_manual_version = 0;
     out_buf->title_version = 1;
@@ -120,6 +118,23 @@ unsigned int hash(char *str) {
     return h; // or, h % ARRAY_SIZE;
 }
 
+static int handler(void *user, const char *section, const char *name,
+                   const char *value) {
+    auto *fInfo = (FileInfos *) user;
+#define MATCH(s, n) strcmp(section, s) == 0 && strcmp(name, n) == 0
+    if (MATCH("menu", "longname")) {
+        strncpy(fInfo->longname, value, 64-1);
+    } else if (MATCH("menu", "shortname")) {
+        strncpy(fInfo->shortname, value, 64-1);
+    } else if (MATCH("menu", "author")) {
+        strncpy(fInfo->author, value, 64-1);
+    } else {
+        return 0;  /* unknown section/name, error */
+    }
+
+    return 1;
+}
+
 void readCustomTitlesFromSD() {
     // Reset current infos
     unmountAllRomfs();
@@ -168,7 +183,10 @@ void readCustomTitlesFromSD() {
         snprintf(buffer, 25, "/custom/%08X%08X", UPPER_TITLE_ID_HOMEBREW, gFileInfos[j].lowerTitleID);
         strcpy(cur_title_info->path, buffer);
 
-        strncpy(gFileInfos[j].name, dirList.GetFilename(i), 255);
+        strncpy(gFileInfos[j].filename, dirList.GetFilename(i), 255);
+        strncpy(gFileInfos[j].longname, dirList.GetFilename(i), 64);
+        strncpy(gFileInfos[j].shortname, dirList.GetFilename(i), 64);
+        strncpy(gFileInfos[j].author, dirList.GetFilename(i), 64);
         gFileInfos[j].source = 0; //SD Card;
 
         const char *indexedDevice = "mlc";
@@ -177,9 +195,15 @@ void readCustomTitlesFromSD() {
         // System apps don't have a splash screen.
         cur_title_info->appType = MCP_APP_TYPE_SYSTEM_APPS;
 
+
         // Check if the have bootTvTex and bootDrcTex that could be shown.
-        if (StringTools::EndsWith(gFileInfos[j].name, ".wuhb")) {
+        if (StringTools::EndsWith(gFileInfos[j].filename, ".wuhb")) {
             if (romfsMount("romfscheck", dirList.GetFilepath(i), RomfsSource_FileDescriptor) == 0) {
+                if (ini_parse("romfscheck:/meta/meta.ini", handler, &gFileInfos[j]) < 0) {
+
+                    DEBUG_FUNCTION_LINE("Failed to load and parse meta.ini");
+                }
+
                 bool foundSplashScreens = true;
                 if (!FSUtils::CheckFile("romfscheck:/meta/bootTvTex.tga") && !FSUtils::CheckFile("romfscheck:/meta/bootTvTex.tga.gz")) {
                     foundSplashScreens = false;
@@ -194,7 +218,8 @@ void readCustomTitlesFromSD() {
                 }
                 romfsUnmount("romfscheck");
             } else {
-                //DEBUG_FUNCTION_LINE("Mounting %s failed", dirList.GetFilepath(i));
+                DEBUG_FUNCTION_LINE("%s is not a valid .wuhb file", dirList.GetFilepath(i));
+                continue;
             }
         }
 

src/romfs_helper.h

@@ -6,7 +6,10 @@
 
 typedef struct WUT_PACKED FileInfos_ {
     char path[256];
-    char name[256];
+    char filename[256];
+    char shortname[64];
+    char longname[64];
+    char author[64];
     int32_t source;
     uint32_t lowerTitleID;
     bool romfsMounted;

src/utils/ini.c

@@ -0,0 +1,272 @@
+/* inih -- simple .INI file parser
+
+inih is released under the New BSD license (see LICENSE.txt). Go to the project
+home page for more info:
+
+https://github.com/benhoyt/inih
+
+*/
+
+#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+
+#include "ini.h"
+
+#if !INI_USE_STACK
+#include <stdlib.h>
+#endif
+
+#define MAX_SECTION 50
+#define MAX_NAME 50
+
+/* Used by ini_parse_string() to keep track of string parsing state. */
+typedef struct {
+    const char* ptr;
+    size_t num_left;
+} ini_parse_string_ctx;
+
+/* Strip whitespace chars off end of given string, in place. Return s. */
+static char* rstrip(char* s)
+{
+    char* p = s + strlen(s);
+    while (p > s && isspace((unsigned char)(*--p)))
+        *p = '\0';
+    return s;
+}
+
+/* Return pointer to first non-whitespace char in given string. */
+static char* lskip(const char* s)
+{
+    while (*s && isspace((unsigned char)(*s)))
+        s++;
+    return (char*)s;
+}
+
+/* Return pointer to first char (of chars) or inline comment in given string,
+   or pointer to null at end of string if neither found. Inline comment must
+   be prefixed by a whitespace character to register as a comment. */
+static char* find_chars_or_comment(const char* s, const char* chars)
+{
+#if INI_ALLOW_INLINE_COMMENTS
+    int was_space = 0;
+    while (*s && (!chars || !strchr(chars, *s)) &&
+           !(was_space && strchr(INI_INLINE_COMMENT_PREFIXES, *s))) {
+        was_space = isspace((unsigned char)(*s));
+        s++;
+    }
+#else
+    while (*s && (!chars || !strchr(chars, *s))) {
+        s++;
+    }
+#endif
+    return (char*)s;
+}
+
+/* Version of strncpy that ensures dest (size bytes) is null-terminated. */
+static char* strncpy0(char* dest, const char* src, size_t size)
+{
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wstringop-truncation"
+    strncpy(dest, src, size - 1);
+#pragma GCC diagnostic pop
+    dest[size - 1] = '\0';
+    return dest;
+}
+
+/* See documentation in header file. */
+int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
+                     void* user)
+{
+    /* Uses a fair bit of stack (use heap instead if you need to) */
+#if INI_USE_STACK
+    char line[INI_MAX_LINE];
+    int max_line = INI_MAX_LINE;
+#else
+    char* line;
+    int max_line = INI_INITIAL_ALLOC;
+#endif
+#if INI_ALLOW_REALLOC
+    char* new_line;
+    int offset;
+#endif
+    char section[MAX_SECTION] = "";
+    char prev_name[MAX_NAME] = "";
+
+    char* start;
+    char* end;
+    char* name;
+    char* value;
+    int lineno = 0;
+    int error = 0;
+
+#if !INI_USE_STACK
+    line = (char*)malloc(INI_INITIAL_ALLOC);
+    if (!line) {
+        return -2;
+    }
+#endif
+
+#if INI_HANDLER_LINENO
+#define HANDLER(u, s, n, v) handler(u, s, n, v, lineno)
+#else
+#define HANDLER(u, s, n, v) handler(u, s, n, v)
+#endif
+
+    /* Scan through stream line by line */
+    while (reader(line, max_line, stream) != NULL) {
+#if INI_ALLOW_REALLOC
+        offset = strlen(line);
+        while (offset == max_line - 1 && line[offset - 1] != '\n') {
+            max_line *= 2;
+            if (max_line > INI_MAX_LINE)
+                max_line = INI_MAX_LINE;
+            new_line = realloc(line, max_line);
+            if (!new_line) {
+                free(line);
+                return -2;
+            }
+            line = new_line;
+            if (reader(line + offset, max_line - offset, stream) == NULL)
+                break;
+            if (max_line >= INI_MAX_LINE)
+                break;
+            offset += strlen(line + offset);
+        }
+#endif
+
+        lineno++;
+
+        start = line;
+#if INI_ALLOW_BOM
+        if (lineno == 1 && (unsigned char)start[0] == 0xEF &&
+                           (unsigned char)start[1] == 0xBB &&
+                           (unsigned char)start[2] == 0xBF) {
+            start += 3;
+        }
+#endif
+        start = lskip(rstrip(start));
+
+        if (strchr(INI_START_COMMENT_PREFIXES, *start)) {
+            /* Start-of-line comment */
+        }
+#if INI_ALLOW_MULTILINE
+        else if (*prev_name && *start && start > line) {
+            /* Non-blank line with leading whitespace, treat as continuation
+               of previous name's value (as per Python configparser). */
+            if (!HANDLER(user, section, prev_name, start) && !error)
+                error = lineno;
+        }
+#endif
+        else if (*start == '[') {
+            /* A "[section]" line */
+            end = find_chars_or_comment(start + 1, "]");
+            if (*end == ']') {
+                *end = '\0';
+                strncpy0(section, start + 1, sizeof(section));
+                *prev_name = '\0';
+            }
+            else if (!error) {
+                /* No ']' found on section line */
+                error = lineno;
+            }
+        }
+        else if (*start) {
+            /* Not a comment, must be a name[=:]value pair */
+            end = find_chars_or_comment(start, "=:");
+            if (*end == '=' || *end == ':') {
+                *end = '\0';
+                name = rstrip(start);
+                value = end + 1;
+#if INI_ALLOW_INLINE_COMMENTS
+                end = find_chars_or_comment(value, NULL);
+                if (*end)
+                    *end = '\0';
+#endif
+                value = lskip(value);
+                rstrip(value);
+
+                /* Valid name[=:]value pair found, call handler */
+                strncpy0(prev_name, name, sizeof(prev_name));
+                if (!HANDLER(user, section, name, value) && !error)
+                    error = lineno;
+            }
+            else if (!error) {
+                /* No '=' or ':' found on name[=:]value line */
+                error = lineno;
+            }
+        }
+
+#if INI_STOP_ON_FIRST_ERROR
+        if (error)
+            break;
+#endif
+    }
+
+#if !INI_USE_STACK
+    free(line);
+#endif
+
+    return error;
+}
+
+/* See documentation in header file. */
+int ini_parse_file(FILE* file, ini_handler handler, void* user)
+{
+    return ini_parse_stream((ini_reader)fgets, file, handler, user);
+}
+
+/* See documentation in header file. */
+int ini_parse(const char* filename, ini_handler handler, void* user)
+{
+    FILE* file;
+    int error;
+
+    file = fopen(filename, "r");
+    if (!file)
+        return -1;
+    error = ini_parse_file(file, handler, user);
+    fclose(file);
+    return error;
+}
+
+/* An ini_reader function to read the next line from a string buffer. This
+   is the fgets() equivalent used by ini_parse_string(). */
+static char* ini_reader_string(char* str, int num, void* stream) {
+    ini_parse_string_ctx* ctx = (ini_parse_string_ctx*)stream;
+    const char* ctx_ptr = ctx->ptr;
+    size_t ctx_num_left = ctx->num_left;
+    char* strp = str;
+    char c;
+
+    if (ctx_num_left == 0 || num < 2)
+        return NULL;
+
+    while (num > 1 && ctx_num_left != 0) {
+        c = *ctx_ptr++;
+        ctx_num_left--;
+        *strp++ = c;
+        if (c == '\n')
+            break;
+        num--;
+    }
+
+    *strp = '\0';
+    ctx->ptr = ctx_ptr;
+    ctx->num_left = ctx_num_left;
+    return str;
+}
+
+/* See documentation in header file. */
+int ini_parse_string(const char* string, ini_handler handler, void* user) {
+    ini_parse_string_ctx ctx;
+
+    ctx.ptr = string;
+    ctx.num_left = strlen(string);
+    return ini_parse_stream((ini_reader)ini_reader_string, &ctx, handler,
+                            user);
+}

src/utils/ini.h

@@ -0,0 +1,130 @@
+/* inih -- simple .INI file parser
+
+inih is released under the New BSD license (see LICENSE.txt). Go to the project
+home page for more info:
+
+https://github.com/benhoyt/inih
+
+*/
+
+#ifndef __INI_H__
+#define __INI_H__
+
+/* Make this header file easier to include in C++ code */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdio.h>
+
+/* Nonzero if ini_handler callback should accept lineno parameter. */
+#ifndef INI_HANDLER_LINENO
+#define INI_HANDLER_LINENO 0
+#endif
+
+/* Typedef for prototype of handler function. */
+#if INI_HANDLER_LINENO
+typedef int (*ini_handler)(void* user, const char* section,
+                           const char* name, const char* value,
+                           int lineno);
+#else
+typedef int (*ini_handler)(void* user, const char* section,
+                           const char* name, const char* value);
+#endif
+
+/* Typedef for prototype of fgets-style reader function. */
+typedef char* (*ini_reader)(char* str, int num, void* stream);
+
+/* Parse given INI-style file. May have [section]s, name=value pairs
+   (whitespace stripped), and comments starting with ';' (semicolon). Section
+   is "" if name=value pair parsed before any section heading. name:value
+   pairs are also supported as a concession to Python's configparser.
+
+   For each name=value pair parsed, call handler function with given user
+   pointer as well as section, name, and value (data only valid for duration
+   of handler call). Handler should return nonzero on success, zero on error.
+
+   Returns 0 on success, line number of first error on parse error (doesn't
+   stop on first error), -1 on file open error, or -2 on memory allocation
+   error (only when INI_USE_STACK is zero).
+*/
+int ini_parse(const char* filename, ini_handler handler, void* user);
+
+/* Same as ini_parse(), but takes a FILE* instead of filename. This doesn't
+   close the file when it's finished -- the caller must do that. */
+int ini_parse_file(FILE* file, ini_handler handler, void* user);
+
+/* Same as ini_parse(), but takes an ini_reader function pointer instead of
+   filename. Used for implementing custom or string-based I/O (see also
+   ini_parse_string). */
+int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
+                     void* user);
+
+/* Same as ini_parse(), but takes a zero-terminated string with the INI data
+instead of a file. Useful for parsing INI data from a network socket or
+already in memory. */
+int ini_parse_string(const char* string, ini_handler handler, void* user);
+
+/* Nonzero to allow multi-line value parsing, in the style of Python's
+   configparser. If allowed, ini_parse() will call the handler with the same
+   name for each subsequent line parsed. */
+#ifndef INI_ALLOW_MULTILINE
+#define INI_ALLOW_MULTILINE 1
+#endif
+
+/* Nonzero to allow a UTF-8 BOM sequence (0xEF 0xBB 0xBF) at the start of
+   the file. See http://code.google.com/p/inih/issues/detail?id=21 */
+#ifndef INI_ALLOW_BOM
+#define INI_ALLOW_BOM 1
+#endif
+
+/* Chars that begin a start-of-line comment. Per Python configparser, allow
+   both ; and # comments at the start of a line by default. */
+#ifndef INI_START_COMMENT_PREFIXES
+#define INI_START_COMMENT_PREFIXES ";#"
+#endif
+
+/* Nonzero to allow inline comments (with valid inline comment characters
+   specified by INI_INLINE_COMMENT_PREFIXES). Set to 0 to turn off and match
+   Python 3.2+ configparser behaviour. */
+#ifndef INI_ALLOW_INLINE_COMMENTS
+#define INI_ALLOW_INLINE_COMMENTS 1
+#endif
+#ifndef INI_INLINE_COMMENT_PREFIXES
+#define INI_INLINE_COMMENT_PREFIXES ";"
+#endif
+
+/* Nonzero to use stack for line buffer, zero to use heap (malloc/free). */
+#ifndef INI_USE_STACK
+#define INI_USE_STACK 1
+#endif
+
+/* Maximum line length for any line in INI file (stack or heap). Note that
+   this must be 3 more than the longest line (due to '\r', '\n', and '\0'). */
+#ifndef INI_MAX_LINE
+#define INI_MAX_LINE 200
+#endif
+
+/* Nonzero to allow heap line buffer to grow via realloc(), zero for a
+   fixed-size buffer of INI_MAX_LINE bytes. Only applies if INI_USE_STACK is
+   zero. */
+#ifndef INI_ALLOW_REALLOC
+#define INI_ALLOW_REALLOC 0
+#endif
+
+/* Initial size in bytes for heap line buffer. Only applies if INI_USE_STACK
+   is zero. */
+#ifndef INI_INITIAL_ALLOC
+#define INI_INITIAL_ALLOC 200
+#endif
+
+/* Stop parsing on first error (default is to keep parsing). */
+#ifndef INI_STOP_ON_FIRST_ERROR
+#define INI_STOP_ON_FIRST_ERROR 0
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INI_H__ */