mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-29 21:24:53 +00:00
90 lines
2.6 KiB
C++
90 lines
2.6 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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* 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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* 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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* $URL$
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* $Id$
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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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} // end of namespace Kyra
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