mkxp/src/config.cpp

326 lines
7.6 KiB
C++

/*
** config.cpp
**
** This file is part of mkxp.
**
** Copyright (C) 2013 Jonas Kulla <Nyocurio@gmail.com>
**
** mkxp 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 2 of the License, or
** (at your option) any later version.
**
** mkxp 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 mkxp. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <boost/program_options/options_description.hpp>
#include <boost/program_options/parsers.hpp>
#include <boost/program_options/variables_map.hpp>
#include <fstream>
#include <stdint.h>
#include "debugwriter.h"
#include "util.h"
#ifdef INI_ENCODING
extern "C" {
#include <libguess.h>
}
#include <iconv.h>
#include <errno.h>
#endif
/* http://stackoverflow.com/a/1031773 */
static bool validUtf8(const char *string)
{
const uint8_t *bytes = (uint8_t*) string;
while(*bytes)
{
if( (/* ASCII
* use bytes[0] <= 0x7F to allow ASCII control characters */
bytes[0] == 0x09 ||
bytes[0] == 0x0A ||
bytes[0] == 0x0D ||
(0x20 <= bytes[0] && bytes[0] <= 0x7E)
)
) {
bytes += 1;
continue;
}
if( (/* non-overlong 2-byte */
(0xC2 <= bytes[0] && bytes[0] <= 0xDF) &&
(0x80 <= bytes[1] && bytes[1] <= 0xBF)
)
) {
bytes += 2;
continue;
}
if( (/* excluding overlongs */
bytes[0] == 0xE0 &&
(0xA0 <= bytes[1] && bytes[1] <= 0xBF) &&
(0x80 <= bytes[2] && bytes[2] <= 0xBF)
) ||
(/* straight 3-byte */
((0xE1 <= bytes[0] && bytes[0] <= 0xEC) ||
bytes[0] == 0xEE ||
bytes[0] == 0xEF) &&
(0x80 <= bytes[1] && bytes[1] <= 0xBF) &&
(0x80 <= bytes[2] && bytes[2] <= 0xBF)
) ||
(/* excluding surrogates */
bytes[0] == 0xED &&
(0x80 <= bytes[1] && bytes[1] <= 0x9F) &&
(0x80 <= bytes[2] && bytes[2] <= 0xBF)
)
) {
bytes += 3;
continue;
}
if( (/* planes 1-3 */
bytes[0] == 0xF0 &&
(0x90 <= bytes[1] && bytes[1] <= 0xBF) &&
(0x80 <= bytes[2] && bytes[2] <= 0xBF) &&
(0x80 <= bytes[3] && bytes[3] <= 0xBF)
) ||
(/* planes 4-15 */
(0xF1 <= bytes[0] && bytes[0] <= 0xF3) &&
(0x80 <= bytes[1] && bytes[1] <= 0xBF) &&
(0x80 <= bytes[2] && bytes[2] <= 0xBF) &&
(0x80 <= bytes[3] && bytes[3] <= 0xBF)
) ||
(/* plane 16 */
bytes[0] == 0xF4 &&
(0x80 <= bytes[1] && bytes[1] <= 0x8F) &&
(0x80 <= bytes[2] && bytes[2] <= 0xBF) &&
(0x80 <= bytes[3] && bytes[3] <= 0xBF)
)
) {
bytes += 4;
continue;
}
return false;
}
return true;
}
typedef std::vector<std::string> StringVec;
namespace po = boost::program_options;
Config::Config()
: debugMode(false),
winResizable(false),
fullscreen(false),
fixedAspectRatio(true),
smoothScaling(false),
vsync(false),
defScreenW(DEF_SCREEN_W),
defScreenH(DEF_SCREEN_H),
fixedFramerate(0),
frameSkip(true),
solidFonts(false),
gameFolder("."),
anyAltToggleFS(false),
allowSymlinks(false),
pathCache(true),
useScriptNames(false)
{
midi.chorus = false;
midi.reverb = false;
}
void Config::read(int argc, char *argv[])
{
#define PO_DESC_ALL \
PO_DESC(debugMode, bool) \
PO_DESC(winResizable, bool) \
PO_DESC(fullscreen, bool) \
PO_DESC(fixedAspectRatio, bool) \
PO_DESC(smoothScaling, bool) \
PO_DESC(vsync, bool) \
PO_DESC(defScreenW, int) \
PO_DESC(defScreenH, int) \
PO_DESC(fixedFramerate, int) \
PO_DESC(frameSkip, bool) \
PO_DESC(solidFonts, bool) \
PO_DESC(gameFolder, std::string) \
PO_DESC(anyAltToggleFS, bool) \
PO_DESC(allowSymlinks, bool) \
PO_DESC(iconPath, std::string) \
PO_DESC(titleLanguage, std::string) \
PO_DESC(midi.soundFont, std::string) \
PO_DESC(midi.chorus, bool) \
PO_DESC(midi.reverb, bool) \
PO_DESC(customScript, std::string) \
PO_DESC(pathCache, bool) \
PO_DESC(useScriptNames, bool)
// Not gonna take your shit boost
#define GUARD_ALL( exp ) try { exp } catch(...) {}
#define PO_DESC(key, type) (#key, po::value< type >()->default_value(key))
po::options_description podesc;
podesc.add_options()
PO_DESC_ALL
("RTP", po::value<StringVec>()->composing())
("fontSub", po::value<StringVec>()->composing())
("rubyLoadpath", po::value<StringVec>()->composing())
;
po::variables_map vm;
/* Parse command line options */
po::parsed_options cmdPo =
po::command_line_parser(argc, argv).options(podesc)
.allow_unregistered()
.run();
GUARD_ALL( po::store(cmdPo, vm); )
/* Parse configuration file (mkxp.conf) */
std::ifstream confFile;
confFile.open("mkxp.conf");
if (confFile)
{
GUARD_ALL( po::store(po::parse_config_file(confFile, podesc, true), vm); )
}
confFile.close();
po::notify(vm);
#undef PO_DESC
#define PO_DESC(key, type) GUARD_ALL( key = vm[#key].as< type >(); )
PO_DESC_ALL;
GUARD_ALL( rtps = vm["RTP"].as<StringVec>(); );
GUARD_ALL( fontSubs = vm["fontSub"].as<StringVec>(); );
GUARD_ALL( rubyLoadpaths = vm["rubyLoadpath"].as<StringVec>(); )
#undef PO_DESC
#undef PO_DESC_ALL
}
static std::string baseName(const std::string &path)
{
size_t pos = path.find_last_of("/\\");
if (pos == path.npos)
return path;
return path.substr(pos + 1);
}
void Config::readGameINI()
{
if (!customScript.empty())
{
game.title = baseName(customScript);
return;
}
po::options_description podesc;
podesc.add_options()
("Game.Title", po::value<std::string>())
("Game.Scripts", po::value<std::string>())
;
std::string iniPath = gameFolder + "/Game.ini";
std::ifstream iniFile;
iniFile.open((iniPath).c_str());
po::variables_map vm;
GUARD_ALL( po::store(po::parse_config_file(iniFile, podesc, true), vm); )
po::notify(vm);
iniFile.close();
GUARD_ALL( game.title = vm["Game.Title"].as<std::string>(); );
GUARD_ALL( game.scripts = vm["Game.Scripts"].as<std::string>(); );
strReplace(game.scripts, '\\', '/');
#ifdef INI_ENCODING
/* Can add more later */
const char *languages[] =
{
titleLanguage.c_str(),
GUESS_REGION_JP, /* Japanese */
GUESS_REGION_KR, /* Korean */
GUESS_REGION_CN, /* Chinese */
0
};
bool convSuccess = true;
/* Verify that the game title is UTF-8, and if not,
* try to determine the encoding and convert to UTF-8 */
if (!validUtf8(game.title.c_str()))
{
const char *encoding = 0;
convSuccess = false;
for (size_t i = 0; languages[i]; ++i)
{
encoding = libguess_determine_encoding(game.title.c_str(),
game.title.size(),
languages[i]);
if (encoding)
break;
}
if (encoding)
{
iconv_t cd = iconv_open("UTF-8", encoding);
size_t inLen = game.title.size();
size_t outLen = inLen * 4;
std::string buf(outLen, '\0');
char *inPtr = const_cast<char*>(game.title.c_str());
char *outPtr = const_cast<char*>(buf.c_str());
errno = 0;
size_t result = iconv(cd, &inPtr, &inLen, &outPtr, &outLen);
iconv_close(cd);
if (result != (size_t) -1 && errno == 0)
{
buf.resize(buf.size()-outLen);
game.title = buf;
convSuccess = true;
}
}
}
if (!convSuccess)
game.title.clear();
#else
if (!validUtf8(game.title.c_str()))
game.title.clear();
#endif
if (game.title.empty())
game.title = baseName(gameFolder);
}