XML2NSDictionary.m

//
//  XML2NSDictionary.m
//
//  Copyright (c) 2010 Arol Viñolas
//  
//  Permission is hereby granted, free of charge, to any
//  person obtaining a copy of this software and associated
//  documentation files (the "Software"), to deal in the
//  Software without restriction, including without limitation
//  the rights to use, copy, modify, merge, publish,
//  distribute, sublicense, and/or sell copies of the
//  Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//  
//  
//  The above copyright notice and this permission notice
//  shall be included in all copies or substantial portions of
//  the Software.
//  
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
//  KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
//  WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
//  PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
//  OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
//  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
//  OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
//  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

#import "XML2NSDictionary.h"


@implementation XML2NSDictionary

@synthesize result;

- (id)init {
    // Assign self to value returned by super's designated initializer
    // Designated initializer for NSObject is init
    self = [super init];
    if (self) {
        stackNames = [[NSMutableArray alloc] init];
		currentName = [[NSString alloc] initWithString:@""];
		result = nil;
    }
    return self;
}

-(void)parserDidStartDocument:(NSXMLParser *)parser{
	NSLog(@"XML2NSDictionary: Starts document");
}

-(void)parserDidEndDocument:(NSXMLParser *)parser{
	NSLog(@"XML2NSDictionary: Ends Document WITH ELEMENT %@", currentName);
	result = [[NSMutableDictionary alloc] init];
	[result setValue:currentDictionary forKey:currentName];
}

-(void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict{
	NSLog(@"XML2NSDictionary: Starts ELEMENT %@", elementName);
	//Checking if last name is equal than this one
	if ([currentName isEqualToString:elementName]) {
		NSLog(@"Canviem el Dictionary per l'array");
		isArray = YES;
		
		//Pulling dictionary from stack and pushing an array
		if ([[stackNames lastObject] isKindOfClass:[NSMutableDictionary class]]) {
			
			currentDictionary = [stackNames lastObject];
			currentArray = [NSMutableArray arrayWithArray:[currentDictionary allValues]];
			
			[stackNames removeLastObject];
			[stackNames addObject:currentArray];
			
			//[currentArray release];
			//[currentDictionary release];
		}
	}
	
	currentName = elementName;
	currentDictionary = [[NSMutableDictionary alloc] init];
	
	[stackNames addObject:currentName];
	[stackNames addObject:currentDictionary];
}

-(void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName{
	NSLog(@"XML2NSDictionary: Ends ELEMENT %@", elementName);
	currentName = elementName;
	//Getting and pulling node data
	//NSObject *data = [stackNames lastObject];
	NSObject *data = [[stackNames lastObject] mutableCopy];
	
	/*	VERSIO TEDIOSA DE LA COPIA
	if ([[stackNames lastObject] isKindOfClass:[NSMutableArray class]]) {
		//We copy the actual array
	}else if ([[stackNames lastObject] isKindOfClass:[NSMutableDictionary class]]) {
		//We copy the actual dictionary
	}*/
	
	[stackNames removeLastObject];
	//Pulling node name
	[stackNames removeLastObject];
	
	//Getting parent node data
	NSObject *temp = [stackNames lastObject];
	if (temp) {
		if ([temp isKindOfClass:[NSMutableArray class]]) {
			//We work with an array
			[(NSMutableArray*)temp addObject:data];
			NSLog(@"Pushing %@ called %@ in ARRAY",
				  [data class],
				  currentName);
		}else {
			//We work with a dictionary
			[(NSMutableDictionary*)temp setValue:data forKey:currentName];
			NSLog(@"Pushing %@ called %@ in DICTIONARY of",
				  [data class],
				  currentName);
		}
    }else {
		currentDictionary = (NSMutableDictionary*)data;
		NSLog(@"NAMES STACK IS EMPTY!!!");
	}
	
}

-(void)parser:(NSXMLParser *)parser foundCDATA:(NSData *)CDATABlock{
	NSLog(@"XML2NSDictionary: Found CDATA %@", [[NSString alloc]
											 initWithData:CDATABlock encoding:NSUTF8StringEncoding]);
	
	//Pulling NSDictionary
	[stackNames removeLastObject];
	
	//Pushing node data
	NSString *nodeData = [[NSString alloc] initWithData:CDATABlock encoding:NSUTF8StringEncoding];
	[stackNames addObject:nodeData];
}

-(void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string{
	if ([[[string stringByTrimmingCharactersInSet:[NSCharacterSet newlineCharacterSet]]
			stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]]
			isEqualToString:@""])
		return;
	
	
	NSLog(@"XML2NSDictionary: Found CHARS %@", string);
	//Pulling NSDictionary
	[stackNames removeLastObject];
	
	//Pushing node data
	NSString *nodeData = string;
	[stackNames addObject:nodeData];
}

-(void)parser:(NSXMLParser *)parser parseErrorOccurred:(NSError *)parseError{
	NSLog(@"Error mentre es parsejava el document");
}

@end