mirror of
https://github.com/libretro/scummvm.git
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149 lines
4.4 KiB
C++
149 lines
4.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "kyra/util.h"
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namespace Kyra {
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int Util::decodeString1(const char *src, char *dst) {
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static const uint8 decodeTable1[] = {
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0x20, 0x65, 0x74, 0x61, 0x69, 0x6E, 0x6F, 0x73, 0x72, 0x6C, 0x68,
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0x63, 0x64, 0x75, 0x70, 0x6D
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};
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static const uint8 decodeTable2[] = {
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0x74, 0x61, 0x73, 0x69, 0x6F, 0x20, 0x77, 0x62, 0x20, 0x72, 0x6E,
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0x73, 0x64, 0x61, 0x6C, 0x6D, 0x68, 0x20, 0x69, 0x65, 0x6F, 0x72,
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0x61, 0x73, 0x6E, 0x72, 0x74, 0x6C, 0x63, 0x20, 0x73, 0x79, 0x6E,
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0x73, 0x74, 0x63, 0x6C, 0x6F, 0x65, 0x72, 0x20, 0x64, 0x74, 0x67,
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0x65, 0x73, 0x69, 0x6F, 0x6E, 0x72, 0x20, 0x75, 0x66, 0x6D, 0x73,
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0x77, 0x20, 0x74, 0x65, 0x70, 0x2E, 0x69, 0x63, 0x61, 0x65, 0x20,
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0x6F, 0x69, 0x61, 0x64, 0x75, 0x72, 0x20, 0x6C, 0x61, 0x65, 0x69,
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0x79, 0x6F, 0x64, 0x65, 0x69, 0x61, 0x20, 0x6F, 0x74, 0x72, 0x75,
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0x65, 0x74, 0x6F, 0x61, 0x6B, 0x68, 0x6C, 0x72, 0x20, 0x65, 0x69,
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0x75, 0x2C, 0x2E, 0x6F, 0x61, 0x6E, 0x73, 0x72, 0x63, 0x74, 0x6C,
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0x61, 0x69, 0x6C, 0x65, 0x6F, 0x69, 0x72, 0x61, 0x74, 0x70, 0x65,
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0x61, 0x6F, 0x69, 0x70, 0x20, 0x62, 0x6D
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};
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int size = 0;
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uint cChar = 0;
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while ((cChar = *src++) != 0) {
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if (cChar & 0x80) {
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cChar &= 0x7F;
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int index = (cChar & 0x78) >> 3;
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*dst++ = decodeTable1[index];
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++size;
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assert(cChar < sizeof(decodeTable2));
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cChar = decodeTable2[cChar];
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}
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*dst++ = cChar;
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++size;
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}
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*dst++ = 0;
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return size;
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}
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void Util::decodeString2(const char *src, char *dst) {
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if (!src || !dst)
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return;
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char out = 0;
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while ((out = *src) != 0) {
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if (*src == 0x1B) {
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++src;
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out = *src + 0x7F;
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}
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*dst++ = out;
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++src;
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}
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*dst = 0;
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}
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void Util::convertDOSToISO(char *str) {
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uint8 *s = (uint8 *)str;
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for (; *s; ++s) {
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if (*s >= 128) {
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uint8 c = _charMapDOSToISO[*s - 128];
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if (!c)
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c = 0x20;
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*s = c;
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}
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}
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}
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void Util::convertISOToDOS(char *str) {
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while (*str)
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convertISOToDOS(*str++);
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}
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void Util::convertISOToDOS(char &c) {
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uint8 code = (uint8)c;
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if (code >= 128) {
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code = _charMapISOToDOS[code - 128];
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if (!code)
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code = 0x20;
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}
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c = code;
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}
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// CP850 to ISO-8859-1 (borrowed from engines/saga/font_map.cpp)
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const uint8 Util::_charMapDOSToISO[128] = {
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199, 252, 233, 226, 228, 224, 229, 231, 234, 235, 232,
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239, 238, 236, 196, 197, 201, 230, 198, 244, 246, 242,
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251, 249, 255, 214, 220, 248, 163, 216, 215, 0, 225,
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237, 243, 250, 241, 209, 170, 186, 191, 174, 172, 189,
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188, 161, 171, 187, 0, 0, 0, 0, 0, 193, 194,
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192, 169, 0, 0, 0, 0, 162, 165, 0, 0, 0,
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0, 0, 0, 0, 227, 195, 0, 0, 0, 0, 0,
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0, 0, 164, 240, 208, 202, 203, 200, 0, 205, 206,
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207, 0, 0, 0, 0, 166, 204, 0, 211, 223, 212,
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210, 245, 213, 181, 254, 222, 218, 219, 217, 253, 221,
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175, 180, 173, 177, 0, 190, 182, 167, 247, 184, 176,
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168, 183, 185, 179, 178, 0, 160
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};
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// ISO-8859-1 to CP850
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const uint8 Util::_charMapISOToDOS[128] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255,
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173, 189, 156, 207, 190, 221, 245, 249, 184, 166, 174,
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170, 240, 169, 238, 248, 241, 253, 252, 239, 230, 244,
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250, 247, 251, 167, 175, 172, 171, 243, 168, 183, 181,
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182, 199, 142, 143, 146, 128, 212, 144, 210, 211, 222,
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214, 215, 216, 209, 165, 227, 224, 226, 229, 153, 158,
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157, 235, 233, 234, 154, 237, 232, 225, 133, 160, 131,
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198, 132, 134, 145, 135, 138, 130, 136, 137, 141, 161,
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140, 139, 208, 164, 149, 162, 147, 228, 148, 246, 155,
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151, 163, 150, 129, 236, 231, 152
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};
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} // End of namespace Kyra
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