InputParser.h

//
// InputParser.h
//
// AquaLess - a less-compatible text pager for Mac OS X
// Copyright (c) 2003 Christoph Pfisterer
//
// 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//

@class PagerDocument;


@interface InputParser : NSObject
{
  PagerDocument *document;

  unsigned lastCheckpointOffset;
  unsigned nextCheckpointOffset;
  unsigned lastCheckpointPosition;
  unsigned nextCheckpointPosition;
  NSMutableAttributedString *buffer;
  unsigned nextLimit;
}

+ (int)priority;
+ (NSString *)name;

+ (BOOL)canReadData:(NSData *)partialData;

- (id)initWithDocument:(PagerDocument *)doc;
- (PagerDocument *)document;
- (void)setDocument:(PagerDocument *)doc;

- (void)newData;
- (void)parseNextChunk:(NSNotification *)notification;
- (void)parseWithLimit:(unsigned)endOffset;

- (void)parseData:(NSData *)data fromOffset:(unsigned)startOffset toOffset:(unsigned)endOffset;

- (void)addString:(NSString *)text withAttributes:(NSDictionary *)attr;
- (void)addString:(NSString *)text withAttributes:(NSDictionary *)attr settingCheckpoint:(unsigned)offset;
- (void)setCheckpoint:(unsigned)offset;
- (void)chomp;

@end