xml_parser.h

/* 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/>.
 *
 */

#ifndef QDENGINE_PARSER_XML_PARSER_H
#define QDENGINE_PARSER_XML_PARSER_H

#include "common/system.h"
#include "common/hashmap.h"
#include "common/stack.h"

#include "qdengine/parser/xml_tag_buffer.h"

namespace QDEngine {

namespace xml {

class parser {
public:
    typedef Common::HashMap<Common::String, tag> tag_format_t;
    typedef Common::Stack<tag *> tag_stack_t;

    parser();
    virtual ~parser();

    bool parse_file(const char *fname);

    bool read_binary_script(const char *fname);
    bool is_script_binary(const char *fname) const;
    bool is_script_binary() const {
        return _binary_script;
    }

    const tag &root_tag() const {
        return _root_tag;
    }

    void clear();

    void resize_data_pool(uint32 pool_sz) {
        _data_pool.resize(pool_sz);
    }

    bool register_tag_format(const char *tag_name, const tag &tg) {
        tag_format_t::iterator it = _tag_format.find(tag_name);
        if (it != _tag_format.end())
            return false;

        _tag_format[tag_name] = tg;
        return true;
    }
    const tag *get_tag_format(const char *tag_name) const {
        tag_format_t::const_iterator it = _tag_format.find(tag_name);
        if (it != _tag_format.end())
            return &it->_value;

        return NULL;
    }

    int num_tag_formats() const {
        return _tag_format.size();
    }

private:

    tag _root_tag;

    Std::vector<char> _data_pool;
    Common::String _data_buffer;

    bool _binary_script;

    tag_stack_t _tag_stack;
    tag_format_t _tag_format;
    int _cur_level;
    bool _skip_mode;
};

} /* namespace xml */

} // namespace QDEngine

#endif // QDENGINE_PARSER_XML_PARSER_H