//
//  ShrtyDefaultParser.m
//
//	Copyright (c) 2009, Robert R. Fahrni
//	All rights reserved.
//
//	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.
//	3.	Neither the name of the author nor the names of its contributors may be 
//		used to endorse or promote products derived from this software without specific 
//		prior written permission.
//
//	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR 
//	CONTRIBUTORS 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 "SuprSvcParser.h"
#import "ShrtySvcConst.h"

@implementation SuprSvcParser

static NSString* kSuprSvcItemName				= @"item";
static NSString* kSuprSvcAttributeName			= @"name";
static NSString* kSuprSvcAttributeValue			= @"value";

- (void)parse:(NSData*)data
{
	[super parse:data];
}

- (void)dealloc
{
	[super dealloc];
}

- (void)parser:(NSXMLParser*)parser
	didStartElement:(NSString*)elementName
	namespaceURI:(NSString*)namespaceURI
	qualifiedName:(NSString*)qName
    attributes:(NSDictionary*)attributeDict
{
	// Give our super class first shot.
	[super parser:parser didStartElement:elementName namespaceURI:namespaceURI qualifiedName:qName attributes:attributeDict];
	
    // In this case the super class will definitely set the _currentElementName for the result
	// code, so skip out.
	//
	// Otherwise check for an "item" elementName then check the attribute dictionary for
	// objectForKey equal to _resultAttribName.
    if (nil == _currentElementName &&
		[elementName isEqual:kSuprSvcItemName] &&
		nil != attributeDict) 
	{
		// If the dictionary contains a key of "name" then we need to get the value, and check
		// to see if it's equal to _resultAttribName, if it is then we need to ask for the
		// value key. That will contain the value we're after, which is the Short URL. 
		NSString* nameKeyValue = [attributeDict objectForKey:kSuprSvcAttributeName];
		if ([nameKeyValue isEqual:_resultTagName])
		{
			NSString* tmp = [attributeDict objectForKey:kSuprSvcAttributeValue];			
			if (nil != tmp)
			{
				// This is our short URL, copy it.
				_result = [tmp copy];
			}
		}
    }
	//NSLog(@"SuprSvcParser::parser:parser:didStartElement element:%@, attribute:%@", _currentElementName, _currentAttributeValue);
} // didStartElement

- (void)parser:(NSXMLParser*)parser
	didEndElement:(NSString*)elementName
	namespaceURI:(NSString*)namespaceURI
	qualifiedName:(NSString*)qName
{
	[super parser:parser didEndElement:elementName namespaceURI:namespaceURI qualifiedName:qName];
} // didEndElement

- (void)parser:(NSXMLParser *)parser foundAttributeDeclarationWithName:(NSString *)attributeName 
	forElement:(NSString *)elementName 
	type:(NSString *)type 
	defaultValue:(NSString *)defaultValue
{
	[super parser:parser foundAttributeDeclarationWithName:attributeName forElement:elementName type:type defaultValue:defaultValue];
} // foundAttributeDeclarationWithName

- (void)parser:(NSXMLParser*)parser
	foundCharacters:(NSString*)string
{
	[super parser:parser foundCharacters:string];
} // foundCharacters

@end