SimpleKMLDocument.m

//
//  SimpleKMLDocument.m
//
//  Created by Justin R. Miller on 6/29/10.
//  Copyright 2010, Code Sorcery Workshop, LLC and Development Seed, Inc.
//  All rights reserved.
//  
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are met:
//  
//      * Redistributions of source code must retain the above copyright
//        notice, this list of conditions and the following disclaimer.
//  
//      * 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.
//  
//      * Neither the names of Code Sorcery Workshop, LLC or Development Seed,
//        Inc., 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 OWNER 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 "SimpleKMLDocument.h"
#import "SimpleKMLStyle.h"
#import "SimpleKMLFeature.h"

@implementation SimpleKMLDocument

@synthesize sharedStyles;

- (id)initWithXMLNode:(CXMLNode *)node sourceURL:sourceURL error:(NSError **)error
{
    self = [super initWithXMLNode:node sourceURL:sourceURL error:error];
    
    if (self != nil)
    {
        NSMutableArray *parsedStyles = [NSMutableArray array];
        
        for (CXMLNode *child in [node children])
        {
            Class childClass = NSClassFromString([NSString stringWithFormat:@"SimpleKML%@", [child name]]);
            
            if (childClass)
            {
                id thisChild = [[[childClass alloc] initWithXMLNode:child sourceURL:sourceURL error:NULL] autorelease];
                
                if (thisChild && [thisChild isKindOfClass:[SimpleKMLStyle class]])
                    [parsedStyles addObject:thisChild];
            }
        }
        
        sharedStyles = [[NSArray arrayWithArray:parsedStyles] retain];

        for (SimpleKMLFeature *feature in self.flattenedPlacemarks)
            if (feature.sharedStyleID && ! feature.sharedStyle)
                feature.sharedStyle = [self sharedStyleWithID:feature.sharedStyleID];
    }
    
    return self;
}

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

#pragma mark -

- (SimpleKMLStyle *)sharedStyleWithID:(NSString *)styleID
{
    for (SimpleKMLStyle *theStyle in self.sharedStyles)
        if ([[theStyle objectID] isEqualToString:styleID])
            return theStyle;
    
    return nil;
}

@end