/*
 * Copyright (c) 2011-2014 by Evernote Corporation, All rights reserved.
 *
 * Use of the source code and binary libraries included in this package
 * is permitted under the following terms:
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#import <Foundation/Foundation.h>

#import "ENMLWriter.h"
#import "ENXMLSaxParser.h"

@protocol ENHTMLtoENMLConverterDelegate;

@interface ENHTMLtoENMLConverter : NSObject<ENXMLSaxParserDelegate, ENXMLWriterDelegate> {
  ENXMLSaxParser *_htmlParser;
  ENMLWriter *_enmlWriter;
  
  NSMutableString *_enml;
  __weak id<ENHTMLtoENMLConverterDelegate> _delegate;
  
  BOOL _inHTMLBody;
  int _skipCount;
}

@property (weak, nonatomic) id<ENHTMLtoENMLConverterDelegate> delegate;

- (NSString *) enmlFromContentsOfHTMLFile:(NSString *)htmlFile;
- (NSString *) enmlFromHTMLContent:(NSString *)htmlContent;

- (void) writeData:(NSData *)data;
- (void) finish;
- (void) cancel;

@end

@protocol ENHTMLtoENMLConverterDelegate <NSObject>
- (void) htmlConverterDidStart:(ENHTMLtoENMLConverter *)converter;
- (void) htmlConverterDidFinish:(ENHTMLtoENMLConverter *)converter;
- (void) htmlConverter:(ENHTMLtoENMLConverter *)converter didGenerateString:(NSString *)string;
- (void) htmlConverter:(ENHTMLtoENMLConverter *)converter didFailWithError:(NSError *)error;
@end