Add configurations. Fix #41 and #46

3ds/assets/romfs/config.json

@@ -0,0 +1,3 @@
+{
+  "filter": [ ]
+}

3ds/include/confighandler.hpp

@@ -0,0 +1,61 @@
+/*
+*   This file is part of Checkpoint
+*   Copyright (C) 2017-2018 Bernardo Giordano
+*
+*   This program is free software: you can redistribute it and/or modify
+*   it under the terms of the GNU General Public License as published by
+*   the Free Software Foundation, either version 3 of the License, or
+*   (at your option) any later version.
+*
+*   This program is distributed in the hope that it will be useful,
+*   but WITHOUT ANY WARRANTY; without even the implied warranty of
+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*   GNU General Public License for more details.
+*
+*   You should have received a copy of the GNU General Public License
+*   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+*   Additional Terms 7.b and 7.c of GPLv3 apply to this file:
+*       * Requiring preservation of specified reasonable legal notices or
+*         author attributions in that material or in the Appropriate Legal
+*         Notices displayed by works containing it.
+*       * Prohibiting misrepresentation of the origin of that material,
+*         or requiring that modified versions of such material be marked in
+*         reasonable ways as different from the original version.
+*/
+
+#ifndef CONFIGHANDLER_HPP
+#define CONFIGHANDLER_HPP
+
+#include <fstream>
+#include <stdio.h>
+#include <unordered_set>
+#include <vector>
+#include "json.hpp"
+#include "io.hpp"
+#include "util.hpp"
+
+class Configuration
+{
+public:
+    static Configuration& getInstance(void)
+    {
+        static Configuration mConfiguration;
+        return mConfiguration;
+    }
+
+    bool filter(u64 id);
+
+private:
+    Configuration(void);
+    ~Configuration(void) { };
+
+    Configuration(Configuration const&) = delete;
+    void operator=(Configuration const&) = delete;
+
+    nlohmann::json mJson;
+    std::unordered_set<u64> mFilterIds;
+    std::string BASEPATH = "/3ds/Checkpoint/config.json";
+};
+
+#endif

3ds/include/title.hpp

@@ -32,6 +32,7 @@
 #include <string>
 #include <vector>
 #include "archive.hpp"
+#include "confighandler.hpp"
 #include "directory.hpp"
 #include "fsstream.hpp"
 #include "io.hpp"

3ds/source/confighandler.cpp

@@ -0,0 +1,79 @@
+/*
+*   This file is part of Checkpoint
+*   Copyright (C) 2017-2018 Bernardo Giordano
+*
+*   This program is free software: you can redistribute it and/or modify
+*   it under the terms of the GNU General Public License as published by
+*   the Free Software Foundation, either version 3 of the License, or
+*   (at your option) any later version.
+*
+*   This program is distributed in the hope that it will be useful,
+*   but WITHOUT ANY WARRANTY; without even the implied warranty of
+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*   GNU General Public License for more details.
+*
+*   You should have received a copy of the GNU General Public License
+*   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+*   Additional Terms 7.b and 7.c of GPLv3 apply to this file:
+*       * Requiring preservation of specified reasonable legal notices or
+*         author attributions in that material or in the Appropriate Legal
+*         Notices displayed by works containing it.
+*       * Prohibiting misrepresentation of the origin of that material,
+*         or requiring that modified versions of such material be marked in
+*         reasonable ways as different from the original version.
+*/
+
+#include "confighandler.hpp"
+
+Configuration::Configuration(void)
+{
+    // check for existing config.json files on the sd card, BASEPATH
+    if (!io::fileExists(Archive::sdmc(), StringUtils::UTF8toUTF16(BASEPATH.c_str())))
+    {
+        FILE* inFile = fopen("romfs:/config.json", "r");
+        if (inFile == NULL)
+        {
+            // handle failures here
+            return;
+        }
+        fseek(inFile, 0, SEEK_END);
+        u32 size = ftell(inFile);
+        u8* config = new u8[size];
+        if (config == NULL)
+        {
+            fclose(inFile);
+            return;
+        }
+        rewind(inFile);
+        fread(config, size, 1, inFile);
+        fclose(inFile);
+
+        // store the config file inside of BASEPATH
+        FILE* outFile = fopen(BASEPATH.c_str(), "w");
+        if (outFile == NULL)
+        {
+            // handle failures here
+            return;
+        }
+        fwrite(config, 1, size, outFile);
+        fclose(outFile);
+
+        // load json config file
+        std::ifstream i(BASEPATH);
+        i >> mJson;
+        i.close();
+
+        // parse filters
+        std::vector<std::string> filter = mJson["filter"];
+        for (auto& id : filter)
+        {
+            mFilterIds.emplace(strtoull(id.c_str(), NULL, 16));
+        }
+    }
+}
+
+bool Configuration::filter(u64 id)
+{
+    return mFilterIds.find(id) != mFilterIds.end();
+}

3ds/source/title.cpp

@@ -26,7 +26,7 @@
 
 #include "title.hpp"
 
-static bool checkHigh(u64 id);
+static bool validId(u64 id);
 static C2D_Image loadTextureIcon(smdh_s *smdh);
 
 static std::vector<Title> titleSaves;
@@ -330,10 +330,10 @@ C2D_Image Title::icon(void)
     return mIcon;
 }
 
-static bool checkHigh(u64 id)
+static bool validId(u64 id)
 {
     u32 high = id >> 32;
-    return (high == 0x00040000 || high == 0x00040002);
+    return !Configuration::getInstance().filter(id) && (high == 0x00040000 || high == 0x00040002);
 }
 
 void loadTitles(bool forceRefresh)
@@ -402,7 +402,7 @@ void loadTitles(bool forceRefresh)
 
         for (u32 i = 0; i < count; i++)
         {
-            if (checkHigh(ids[i]))
+            if (validId(ids[i]))
             {
                 Title title;
                 if (title.load(ids[i], MEDIATYPE_SD, CARD_CTR))
@@ -438,7 +438,7 @@ void loadTitles(bool forceRefresh)
                 if (count > 0)
                 {
                     AM_GetTitleList(NULL, MEDIATYPE_GAME_CARD, count, ids);	
-                    if (checkHigh(ids[0]))
+                    if (validId(ids[0]))
                     {
                         Title title;
                         if (title.load(ids[0], MEDIATYPE_GAME_CARD, cardType))