melonDS/src/Config.cpp

145 lines
3.2 KiB
C++

/*
Copyright 2016-2019 Arisotura
This file is part of melonDS.
melonDS 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.
melonDS 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 melonDS. If not, see http://www.gnu.org/licenses/.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "Config.h"
#include "Platform.h"
namespace Config
{
const char* kConfigFile = "melonDS.ini";
int _3DRenderer;
int Threaded3D;
int GL_Antialias;
ConfigEntry ConfigFile[] =
{
{"3DRenderer", 0, &_3DRenderer, 1, NULL, 0},
{"Threaded3D", 0, &Threaded3D, 1, NULL, 0},
{"GL_Antialias", 0, &GL_Antialias, 0, NULL, 0},
{"", -1, NULL, 0, NULL, 0}
};
extern ConfigEntry PlatformConfigFile[];
void Load()
{
ConfigEntry* entry = &ConfigFile[0];
int c = 0;
for (;;)
{
if (!entry->Value)
{
if (c > 0) break;
entry = &PlatformConfigFile[0];
if (!entry->Value) break;
c++;
}
if (entry->Type == 0)
*(int*)entry->Value = entry->DefaultInt;
else
{
strncpy((char*)entry->Value, entry->DefaultStr, entry->StrLength);
((char*)entry->Value)[entry->StrLength] = '\0';
}
entry++;
}
FILE* f = Platform::OpenLocalFile(kConfigFile, "r");
if (!f) return;
char linebuf[1024];
char entryname[16];
char entryval[1024];
while (!feof(f))
{
fgets(linebuf, 1024, f);
int ret = sscanf(linebuf, "%15[A-Za-z_0-9]=%[^\t\n]", entryname, entryval);
if (ret < 2) continue;
ConfigEntry* entry = &ConfigFile[0];
c = 0;
for (;;)
{
if (!entry->Value)
{
if (c > 0) break;
entry = &PlatformConfigFile[0];
if (!entry->Value) break;
c++;
}
if (!strncmp(entry->Name, entryname, 15))
{
if (entry->Type == 0)
*(int*)entry->Value = strtol(entryval, NULL, 10);
else
strncpy((char*)entry->Value, entryval, entry->StrLength);
break;
}
entry++;
}
}
fclose(f);
}
void Save()
{
FILE* f = Platform::OpenLocalFile(kConfigFile, "w");
if (!f) return;
ConfigEntry* entry = &ConfigFile[0];
int c = 0;
for (;;)
{
if (!entry->Value)
{
if (c > 0) break;
entry = &PlatformConfigFile[0];
if (!entry->Value) break;
c++;
}
if (entry->Type == 0)
fprintf(f, "%s=%d\n", entry->Name, *(int*)entry->Value);
else
fprintf(f, "%s=%s\n", entry->Name, entry->Value);
entry++;
}
fclose(f);
}
}