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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/file.h"
#include "common/textconsole.h"
#include "qdengine/qd_fwd.h"
#include "qdengine/parser/xml_parser.h"
namespace QDEngine {
namespace xml {
parser::parser() : _cur_level(0), _skip_mode(false), _binary_script(false) {
_root_tag.set_data(&_data_pool);
}
parser::~parser() {
}
void parser::clear() {
_root_tag.clear();
while (!_tag_stack.empty()) _tag_stack.pop();
_cur_level = 0;
_skip_mode = false;
_data_pool.clear();
Std::vector<char>(_data_pool).swap(_data_pool);
}
bool parser::parse_file(const char *fname) {
if (is_script_binary(fname))
return read_binary_script(fname);
return false;
}
bool tag::readTag(Common::SeekableReadStream *ff, tag &tg) {
uint32 id = ff->readUint32LE();
uint32 data_format = ff->readUint32LE();
uint32 data_size = ff->readUint32LE();
uint32 data_offset = ff->readUint32LE();
tg = tag(tag(id, tag::tag_data_format(data_format), data_size, data_offset));
uint32 num_subtags = ff->readUint32LE();
for (uint32 i = 0; i < num_subtags; i++) {
tag stg;
readTag(ff, stg);
tg.add_subtag(stg);
}
return true;
}
bool parser::read_binary_script(const char *fname) {
Common::File ff;
ff.open(fname);
_binary_script = true;
/* uint32 v = */ff.readUint32LE();
uint32 size = ff.readUint32LE();
if (_data_pool.size() < size)
_data_pool.resize(size);
ff.read(&*_data_pool.begin(), size);
_root_tag.clear();
_root_tag.readTag(&ff, _root_tag);
_root_tag.set_data(&_data_pool);
ff.close();
return true;
}
bool parser::is_script_binary(const char *fname) const {
Common::File ff;
ff.open(fname);
uint32 v = ff.readUint32LE();
if (v == 8383) return true;
return false;
}
} /* namespace xml */
} // namespace QDEngine
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