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https://github.com/scummvm/scummvm.git
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115 lines
2.5 KiB
C++
115 lines
2.5 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "common/file.h"
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#include "common/textconsole.h"
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#include "qdengine/qd_fwd.h"
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#include "qdengine/parser/xml_parser.h"
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namespace QDEngine {
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namespace xml {
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parser::parser() : _cur_level(0), _skip_mode(false), _binary_script(false) {
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_root_tag.set_data(&_data_pool);
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}
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parser::~parser() {
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}
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void parser::clear() {
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_root_tag.clear();
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while (!_tag_stack.empty()) _tag_stack.pop();
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_cur_level = 0;
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_skip_mode = false;
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_data_pool.clear();
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Std::vector<char>(_data_pool).swap(_data_pool);
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}
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bool parser::parse_file(const char *fname) {
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if (is_script_binary(fname))
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return read_binary_script(fname);
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return false;
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}
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bool tag::readTag(Common::SeekableReadStream *ff, tag &tg) {
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uint32 id = ff->readUint32LE();
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uint32 data_format = ff->readUint32LE();
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uint32 data_size = ff->readUint32LE();
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uint32 data_offset = ff->readUint32LE();
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tg = tag(tag(id, tag::tag_data_format(data_format), data_size, data_offset));
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uint32 num_subtags = ff->readUint32LE();
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for (uint32 i = 0; i < num_subtags; i++) {
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tag stg;
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readTag(ff, stg);
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tg.add_subtag(stg);
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}
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return true;
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}
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bool parser::read_binary_script(const char *fname) {
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Common::File ff;
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ff.open(fname);
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_binary_script = true;
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/* uint32 v = */ff.readUint32LE();
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uint32 size = ff.readUint32LE();
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if (_data_pool.size() < size)
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_data_pool.resize(size);
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ff.read(&*_data_pool.begin(), size);
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_root_tag.clear();
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_root_tag.readTag(&ff, _root_tag);
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_root_tag.set_data(&_data_pool);
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ff.close();
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return true;
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}
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bool parser::is_script_binary(const char *fname) const {
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Common::File ff;
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ff.open(fname);
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uint32 v = ff.readUint32LE();
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if (v == 8383) return true;
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return false;
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}
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} /* namespace xml */
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} // namespace QDEngine
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