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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <objc/objc-runtime.h>
#import "OOoContentDataParser.h"
@implementation OOoContentDataParser
- (id)init
{
if ((self = [super init]) != nil) {
shouldReadCharacters = NO;
textContent = nil;
runningTextContent = nil;
return self;
}
return nil;
}
- (void)parseXML:(NSData*)data intoDictionary:(NSMutableDictionary*)dict
{
mdiValues = dict;
//NSLog(@"data: %@ %d", data, [data length]);
//init parser settings
shouldReadCharacters = NO;
NSXMLParser *parser = [[NSXMLParser alloc] initWithData:data];
// Once again...
// class 'OOoContentDataParser' does not implement the 'NSXMLParserDelegate' protocol
// So instead of this:
// [parser setDelegate:self];
// do this:
((id (*)(id, SEL, ...))objc_msgSend)(parser, @selector(setDelegate:), self);
[parser setShouldResolveExternalEntities:NO];
[parser parse];
[parser release];
//NSLog(@"finished");
}
- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qualifiedName attributes:(NSDictionary *)attributeDict
{
(void) parser; // unused
(void) namespaceURI; // FIXME this should not be ignored but should be used
// instead of text: prefix in the comparison below!
(void) qualifiedName; // unused
(void) attributeDict; // unused
// all text content is stored inside <text:p> elements
if ([elementName isEqualToString:@"text:p"] == YES) {
runningTextContent = [NSMutableString new];
shouldReadCharacters = YES;
//NSLog(@"start");
} else {
return;
}
//NSLog(@"start element %@", elementName);
}
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
{
(void) parser; // unused
(void) elementName; // unused
(void) namespaceURI; // unused
(void) qName; // unused
if (shouldReadCharacters == TRUE) {
if (textContent == nil) {
textContent = [NSMutableString new];
} else if ([runningTextContent isEqualToString:@""] == NO) {
// separate by whitespace
[textContent appendString:@" "];
}
//NSLog(@"end");
[textContent appendString:[NSString stringWithString:runningTextContent]];
[runningTextContent release];
runningTextContent = nil;
}
shouldReadCharacters = NO;
}
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
{
(void) parser; // unused
if (shouldReadCharacters == NO) {
return;
}
//NSLog(string);
[runningTextContent appendString:string];
//NSLog(@"read: %@", string);
}
- (void)parser:(NSXMLParser *)parser parseErrorOccurred:(NSError *)parseError
{
//NSLog(@"parsing finished with error");
NSLog(@"An error occurred parsing the document. (Error %li, Description: %@, Line: %li, Column: %li)", (long) [parseError code],
[[parser parserError] localizedDescription], (long) [parser lineNumber],
(long) [parser columnNumber]);
if (runningTextContent != nil) {
[runningTextContent release];
runningTextContent = nil;
}
if (textContent != nil) {
[textContent release];
textContent = nil;
}
}
- (void)parserDidEndDocument:(NSXMLParser *)parser
{
(void) parser; // unused
if (textContent != nil && [textContent length] > 0) {
[mdiValues setObject:[NSString stringWithString:textContent] forKey:(NSString*)kMDItemTextContent];
[textContent release];
textContent = nil;
}
}
@end
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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