forked from mapbox/Simple-KML
-
Notifications
You must be signed in to change notification settings - Fork 1
/
SimpleKMLPolygon.m
131 lines (106 loc) · 5.36 KB
/
SimpleKMLPolygon.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
//
// 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"])
{
NSArray *boundaryChildren = [child children];
// there should only be one child of this boundary
//
if ([boundaryChildren count] != 3)
{
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;
}
outerBoundary = [[SimpleKMLLinearRing alloc] initWithXMLNode:[boundaryChildren objectAtIndex:1] sourceURL:sourceURL error:NULL];
}
else if ([[child name] isEqualToString:@"innerBoundaryIs"])
{
NSArray *boundaryChildren = [child children];
// there should only be one child of this boundary
//
if ([boundaryChildren count] != 3)
{
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;
}
SimpleKMLLinearRing *thisBoundary = [[[SimpleKMLLinearRing alloc] initWithXMLNode:[boundaryChildren objectAtIndex:1] sourceURL:sourceURL error:NULL] autorelease];
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];
[firstInnerBoundary release];
[innerBoundaries release];
[super dealloc];
}
@end