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/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* 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.
*
*/
#ifndef GRIM_TEXTSPLIT_HH
#define GRIM_TEXTSPLIT_HH
namespace Common {
class SeekableReadStream;
}
namespace Grim {
// A utility class to help in parsing the text-format files. Splits
// the text data into lines, skipping comments, trailing whitespace,
// and empty lines. Also folds everything to lowercase.
class TextSplitter {
public:
TextSplitter(const Common::String &fname, Common::SeekableReadStream *data);
~TextSplitter();
char *nextLine() {
processLine();
return _currLine;
}
char *getCurrentLine() { return _currLine; }
const char *getCurrentLine() const { return _currLine; }
bool isEof() const { return _lineIndex == _numLines; }
int getLineNumber() { return _lineIndex; }
void setLineNumber(int line) { _lineIndex = line - 1; processLine(); }
// Check if the current line contains 'needle'
bool checkString(const char *needle);
// Expect a certain fixed string; bail out with an error if not
// found. Advance to the next line.
void expectString(const char *expected);
// Scan a line according to the given format (compatible with
// scanf); if not all fields are read (according to the field_count
// argument), bail out with an error. Advance to the next line.
void scanString(const char *fmt, int field_count, ...);
// Scan a line starting at offset 'offset' according to the given format
// (compatible with scanf); if not all fields are read (according to the
// field_count argument), bail out with an error. Advance to the next line.
void scanStringAtOffset(int offset, const char *fmt, int field_count, ...);
// Just like scanString(), but without advancing to the next line.
void scanStringNoNewLine(const char *fmt, int field_count, ...);
// Just like scanStringAtOffset(), but without advancing to the next line.
void scanStringAtOffsetNoNewLine(int offset, const char *fmt, int field_count, ...);
private:
Common::String _fname;
char *_stringData;
char *_currLine;
int _numLines, _lineIndex;
char **_lines;
void processLine();
};
} // end of namespace Grim
#endif
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