scummvm/engines/drascula/resource.cpp

98 lines
2.5 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 "drascula/drascula.h"
#include "common/unarj.h"
namespace Drascula {
ArchiveMan::ArchiveMan() {
_fallBack = false;
}
void ArchiveMan::registerArchive(const Common::String &filename, int priority) {
add(filename, Common::makeArjArchive(filename), priority);
}
Common::SeekableReadStream *ArchiveMan::open(const Common::String &filename) {
if (_fallBack && SearchMan.hasFile(filename)) {
return SearchMan.createReadStreamForMember(filename);
}
return createReadStreamForMember(filename);
}
TextResourceParser::TextResourceParser(Common::SeekableReadStream *stream, DisposeAfterUse::Flag dispose) :
_stream(stream, dispose) {
// NOTE: strangely enough, the code before this refactoring used the size of
// the stream as a fixed maximum length for the parser. Using an updated
// (size-pos) would make more sense to me, but let's see what the experts say.
_maxLen = _stream->size();
}
void TextResourceParser::getLine(char *buf) {
byte c;
char *b;
for (;;) {
b = buf;
while (true) {
c = ~_stream->readByte();
if (_stream->eos()) break;
if (c == '\r')
continue;
if (c == '\n' || b - buf >= (_maxLen - 1))
break;
*b++ = c;
}
*b = '\0';
if (_stream->eos() && b == buf)
return;
if (b != buf)
break;
}
}
void TextResourceParser::parseInt(int &result) {
char buf[256];
getLine(buf);
if (!sscanf(buf, "%d", &result)) {
result = 0;
}
}
void TextResourceParser::parseString(char* result) {
char buf[256];
getLine(buf);
if (!sscanf(buf, "%s", result)) {
*result = 0;
}
}
} // End of namespace Drascula