scummvm/engines/kyra/engine/util.cpp

118 lines
3.6 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "kyra/engine/util.h"
namespace Kyra {
int Util::decodeString1(const char *src, char *dst) {
static const uint8 decodeTable1[] = {
0x20, 0x65, 0x74, 0x61, 0x69, 0x6E, 0x6F, 0x73, 0x72, 0x6C, 0x68,
0x63, 0x64, 0x75, 0x70, 0x6D
};
static const uint8 decodeTable2[] = {
0x74, 0x61, 0x73, 0x69, 0x6F, 0x20, 0x77, 0x62, 0x20, 0x72, 0x6E,
0x73, 0x64, 0x61, 0x6C, 0x6D, 0x68, 0x20, 0x69, 0x65, 0x6F, 0x72,
0x61, 0x73, 0x6E, 0x72, 0x74, 0x6C, 0x63, 0x20, 0x73, 0x79, 0x6E,
0x73, 0x74, 0x63, 0x6C, 0x6F, 0x65, 0x72, 0x20, 0x64, 0x74, 0x67,
0x65, 0x73, 0x69, 0x6F, 0x6E, 0x72, 0x20, 0x75, 0x66, 0x6D, 0x73,
0x77, 0x20, 0x74, 0x65, 0x70, 0x2E, 0x69, 0x63, 0x61, 0x65, 0x20,
0x6F, 0x69, 0x61, 0x64, 0x75, 0x72, 0x20, 0x6C, 0x61, 0x65, 0x69,
0x79, 0x6F, 0x64, 0x65, 0x69, 0x61, 0x20, 0x6F, 0x74, 0x72, 0x75,
0x65, 0x74, 0x6F, 0x61, 0x6B, 0x68, 0x6C, 0x72, 0x20, 0x65, 0x69,
0x75, 0x2C, 0x2E, 0x6F, 0x61, 0x6E, 0x73, 0x72, 0x63, 0x74, 0x6C,
0x61, 0x69, 0x6C, 0x65, 0x6F, 0x69, 0x72, 0x61, 0x74, 0x70, 0x65,
0x61, 0x6F, 0x69, 0x70, 0x20, 0x62, 0x6D
};
int size = 0;
uint cChar = 0;
while ((cChar = *src++) != 0) {
if (cChar & 0x80) {
cChar &= 0x7F;
int index = (cChar & 0x78) >> 3;
*dst++ = decodeTable1[index];
++size;
assert(cChar < sizeof(decodeTable2));
cChar = decodeTable2[cChar];
}
*dst++ = cChar;
++size;
}
*dst++ = 0;
return size;
}
void Util::decodeString2(const char *src, char *dst) {
if (!src || !dst)
return;
char out = 0;
while ((out = *src) != 0) {
if (*src == 0x1B) {
++src;
out = *src + 0x7F;
}
*dst++ = out;
++src;
}
*dst = 0;
}
void Util::convertDOSToUTF8(char *str, int bufferSize) {
Common::strlcpy(str, Common::U32String(str, Common::kDos850).encode(Common::kUtf8).c_str(), bufferSize);
}
void Util::convertUTF8ToDOS(char *str, int bufferSize) {
Common::strlcpy(str, Common::U32String(str, Common::kUtf8).encode(Common::kDos850).c_str(), bufferSize);
}
Common::String Util::convertUTF8ToDOS(Common::String &str) {
return Common::U32String(str.c_str(), Common::kUtf8).encode(Common::kDos850);
}
Common::String Util::convertISOToUTF8(Common::String &str) {
return Common::U32String(str.c_str(), Common::kISO8859_1).encode(Common::kUtf8);
}
void Util::convertISOToDOS(char &c) {
c = Common::U32String(Common::String::format("%c", c), Common::kISO8859_1).encode(Common::kDos850).firstChar();
}
Common::String Util::decodeString1(const Common::String &src) {
char *tmp = new char[src.size() * 2 + 2];
Util::decodeString1(src.c_str(), tmp);
return tmp;
}
Common::String Util::decodeString2(const Common::String &src) {
char *tmp = new char[src.size() * 2 + 2];
Util::decodeString2(src.c_str(), tmp);
return tmp;
}
} // End of namespace Kyra