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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.
*
*/
#include "common/algorithm.h"
#include "titanic/true_talk/tt_quotes.h"
#include "titanic/titanic.h"
namespace Titanic {
TTquotes::TTquotes() {
Common::fill(&_tags[0], &_tags[256], 0);
_dataP = nullptr;
_dataSize = 0;
_field544 = 0;
}
TTquotes::~TTquotes() {
delete[] _dataP;
}
void TTquotes::load() {
Common::SeekableReadStream *r = g_vm->_filesManager->getResource("TEXT/JRQUOTES.TXT");
size_t size = r->readUint32LE();
_dataSize = _field544 = size;
_dataP = new char[size + 0x10];
for (int idx = 0; idx < 256; ++idx)
_tags[idx] = r->readUint32LE();
for (int charIdx = 0; charIdx < 26; ++charIdx) {
TTquotesLetter &letter = _alphabet[charIdx];
int count = r->readUint32LE();
// Load the list of entries for the given letter
letter._entries.resize(count);
for (int idx = 0; idx < count; ++idx) {
letter._entries[idx]._tagIndex = r->readByte();
letter._entries[idx]._maxSize = r->readByte();
letter._entries[idx]._strP = _dataP + r->readUint32LE();
}
}
// Read in buffer and then decode it
r->read((byte *)_dataP, _dataSize);
for (size_t idx = 0; idx < _dataSize; idx += 4)
WRITE_LE_UINT32((byte *)_dataP + idx, READ_LE_UINT32((const byte *)_dataP + idx) ^ 0xA55A5AA5);
delete r;
}
int TTquotes::find(const char *str) {
if (!str || !*str)
return 0;
// Find start and end of string
const char *startP = str, *endP = str;
while (*endP)
++endP;
do {
int tagId = find(startP, endP);
if (tagId)
return tagId;
// Move to next following space or end of string
while (*startP && *startP != ' ')
++startP;
// If it's a space, then move past it to start of next word
while (*startP && *startP == ' ')
++startP;
} while (*startP);
// No match
return 0;
}
int TTquotes::find(const char *startP, const char *endP) {
int size = endP - startP;
if (size < 3)
return 0;
uint index = MIN((uint)(*startP - 'a'), (uint)25);
const TTquotesLetter &letter = _alphabet[index];
if (letter._entries.empty())
// No entries for the letter, so exit immediately
return 0;
int maxSize = size + 4;
for (uint idx = 0; idx < letter._entries.size(); ++idx) {
const TTquotesEntry &entry = letter._entries[idx];
if (entry._maxSize > maxSize)
continue;
const char *srcP = startP;
const char *destP = entry._strP;
int srcIndex = index != 25 ? 1 : 0, destIndex = 0;
if (*destP) {
do {
if (!srcP[srcIndex]) {
break;
} else if (srcP[srcIndex] == '*') {
++srcIndex;
} else if (destP[destIndex] == '-') {
++destIndex;
if (srcP[srcIndex] == ' ')
++srcIndex;
} else if (srcP[srcIndex] != destP[destIndex]) {
break;
} else {
++destIndex;
++srcIndex;
}
} while (destP[destIndex]);
if (!destP[destIndex] && (srcP[srcIndex] <= '*' ||
(srcP[srcIndex] == 's' && srcP[srcIndex + 1] <= '*')))
return _tags[entry._tagIndex];
}
}
return 0;
}
} // End of namespace Titanic
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