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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/>.
*
*/
#ifndef VCRUISE_TEXTPARSER_H
#define VCRUISE_TEXTPARSER_H
#include "common/hashmap.h"
#include "common/hash-str.h"
#include "common/str.h"
#include "common/memstream.h"
namespace Common {
class Path;
class ReadStream;
} // End of namespace Common
namespace VCruise {
struct TextParserState {
TextParserState();
uint _lineNum;
uint _col;
bool _prevWasCR;
bool _isParsingComment;
};
class TextParser {
public:
explicit TextParser(Common::ReadStream *stream);
bool parseToken(Common::String &outString, TextParserState &outState);
bool readOneChar(char &outC, TextParserState &outState);
bool skipWhitespaceAndComments(char &outC, TextParserState &outState);
void requeue(const char *chars, uint numChars, const TextParserState &state);
void requeue(const Common::String &str, const TextParserState &state);
void expectToken(Common::String &outToken, const Common::Path &blamePath);
void expectShort(int16 &outInt, const Common::Path &blamePath);
void expectInt(int &outInt, const Common::Path &blamePath);
void expectUInt(uint &outUInt, const Common::Path &blamePath);
void expectLine(Common::String &outToken, const Common::Path &blamePath, bool continueToNextLine);
void expect(const char *str, const Common::Path &blamePath);
void skipToEOL();
bool checkEOL();
private:
void expectTokenInternal(Common::String &outToken, const Common::Path &blamePath, TextParserState &outState);
static bool isDelimiter(char c);
static bool isCompoundDelimiter(char c1, char c2);
static bool isWhitespace(char c);
TextParserState _state;
Common::ReadStream *_stream;
static const uint kReturnedBufferSize = 8;
char _returnedBuffer[kReturnedBufferSize];
uint _returnedBufferPos;
};
} // End of namespace VCruise
#endif
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