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/* 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.
*
* $URL$
* $Id$
*
*/
#include "kyra/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::convertDOSToISO(char *str) {
uint8 *s = (uint8 *)str;
for (; *s; ++s) {
if (*s >= 128) {
uint8 c = _charMapDOSToISO[*s - 128];
if (!c)
c = 0x20;
*s = c;
}
}
}
void Util::convertISOToDOS(char *str) {
while (*str)
convertISOToDOS(*str++);
}
void Util::convertISOToDOS(char &c) {
uint8 code = (uint8)c;
if (code >= 128) {
code = _charMapISOToDOS[code - 128];
if (!code)
code = 0x20;
}
c = code;
}
// CP850 to ISO-8859-1 (borrowed from engines/saga/font_map.cpp)
const uint8 Util::_charMapDOSToISO[128] = {
199, 252, 233, 226, 228, 224, 229, 231, 234, 235, 232,
239, 238, 236, 196, 197, 201, 230, 198, 244, 246, 242,
251, 249, 255, 214, 220, 248, 163, 216, 215, 0, 225,
237, 243, 250, 241, 209, 170, 186, 191, 174, 172, 189,
188, 161, 171, 187, 0, 0, 0, 0, 0, 193, 194,
192, 169, 0, 0, 0, 0, 162, 165, 0, 0, 0,
0, 0, 0, 0, 227, 195, 0, 0, 0, 0, 0,
0, 0, 164, 240, 208, 202, 203, 200, 0, 205, 206,
207, 0, 0, 0, 0, 166, 204, 0, 211, 223, 212,
210, 245, 213, 181, 254, 222, 218, 219, 217, 253, 221,
175, 180, 173, 177, 0, 190, 182, 167, 247, 184, 176,
168, 183, 185, 179, 178, 0, 160
};
// ISO-8859-1 to CP850
const uint8 Util::_charMapISOToDOS[128] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255,
173, 189, 156, 207, 190, 221, 245, 249, 184, 166, 174,
170, 240, 169, 238, 248, 241, 253, 252, 239, 230, 244,
250, 247, 251, 167, 175, 172, 171, 243, 168, 183, 181,
182, 199, 142, 143, 146, 128, 212, 144, 210, 211, 222,
214, 215, 216, 209, 165, 227, 224, 226, 229, 153, 158,
157, 235, 233, 234, 154, 237, 232, 225, 133, 160, 131,
198, 132, 134, 145, 135, 138, 130, 136, 137, 141, 161,
140, 139, 208, 164, 149, 162, 147, 228, 148, 246, 155,
151, 163, 150, 129, 236, 231, 152
};
} // end of namespace Kyra
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