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//
// SimpleKMLPolygon.m
//
// Created by Justin R. Miller on 7/6/10.
// 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 "SimpleKMLPolygon.h"
#import "SimpleKMLLinearRing.h"
@implementation SimpleKMLPolygon
@synthesize outerBoundary;
@synthesize firstInnerBoundary;
@synthesize innerBoundaries;
- (id)initWithXMLNode:(CXMLNode *)node sourceURL:sourceURL error:(NSError **)error
{
self = [super initWithXMLNode:node sourceURL:sourceURL error:error];
if (self != nil)
{
outerBoundary = nil;
firstInnerBoundary = nil;
innerBoundaries = nil;
NSMutableArray *parsedInnerBoundaries = [NSMutableArray array];
for (CXMLNode *child in [node children])
{
if ([[child name] isEqualToString:@"outerBoundaryIs"])
{
for (CXMLNode *grandchild in [child children])
{
if ([grandchild kind] == CXMLElementKind)
{
outerBoundary = [[SimpleKMLLinearRing alloc] initWithXMLNode:grandchild sourceURL:sourceURL error:NULL];
break;
}
}
if ( ! outerBoundary)
{
NSDictionary *userInfo = [NSDictionary dictionaryWithObject:@"Improperly formed KML (Invalid number of LinearRings in Polygon boundary)"
forKey:NSLocalizedFailureReasonErrorKey];
if (error)
*error = [NSError errorWithDomain:SimpleKMLErrorDomain code:SimpleKMLParseError userInfo:userInfo];
return nil;
}
}
else if ([[child name] isEqualToString:@"innerBoundaryIs"])
{
SimpleKMLLinearRing *thisBoundary = nil;
for (CXMLNode *grandchild in [child children])
{
if ([grandchild kind] == CXMLElementKind)
{
thisBoundary = [[[SimpleKMLLinearRing alloc] initWithXMLNode:grandchild sourceURL:sourceURL error:NULL] autorelease];
break;
}
}
if ( ! thisBoundary)
{
NSDictionary *userInfo = [NSDictionary dictionaryWithObject:@"Improperly formed KML (Invalid number of LinearRings in Polygon boundary)"
forKey:NSLocalizedFailureReasonErrorKey];
if (error)
*error = [NSError errorWithDomain:SimpleKMLErrorDomain code:SimpleKMLParseError userInfo:userInfo];
return nil;
}
if ( ! firstInnerBoundary)
firstInnerBoundary = thisBoundary;
[parsedInnerBoundaries addObject:thisBoundary];
}
}
innerBoundaries = [[NSArray arrayWithArray:parsedInnerBoundaries] retain];
// there should be one outer boundary
//
if ( ! outerBoundary)
{
NSDictionary *userInfo = [NSDictionary dictionaryWithObject:@"Improperly formed KML (Missing outer boundary in Polygon)"
forKey:NSLocalizedFailureReasonErrorKey];
if (error)
*error = [NSError errorWithDomain:SimpleKMLErrorDomain code:SimpleKMLParseError userInfo:userInfo];
return nil;
}
}
return self;
}
- (void)dealloc
{
[outerBoundary release];
[innerBoundaries release];
[super dealloc];
}
@end