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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
|
//
// ViewController.mm
// XMLTest_TinyXML
//
// Created by lv wei on 13-4-17.
// Copyright (c) 2013年 lv wei. All rights reserved.
//
#import "ViewController.h"
#include "tinyxml.h"
@interface ViewController ()
@end
@implementation ViewController
@synthesize xmlData = _xmlData;
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
NSString* str = @"<city>\
\
<pois>\
<poi catalog=\"生活服务\" name=\"火车票飞机票售票处\" x=\"12960121.140000\" y=\"4864264.440000\" />\
<poi catalog=\"购物\" name=\"皂就人生\" x=\"12960087.850000\" y=\"4864269.380000\" />\
<poi catalog=\"美食\" name=\"必胜客(惠新东桥店)\" x=\"12960191.040000\" y=\"4864423.390000\" /> \
<poi catalog=\"房产小区\" name=\"惠中园小区(北门)\" x=\"12960001.910000\" y=\"4864271.850000\" />\
</pois>\
\
<roads>\
<road id=\"J50F001020_37715\" name=\"北四环东路\" valid=\"1\" width=\"2\" >\
<points>\
<point order=\"0\" vid=\"10011018120904120936600\" x=\"12960310.270000\" y=\"4864348.300000\" />\
<point order=\"1\" vid=\"10011018120904120937600\" x=\"12960296.410000\" y=\"4864347.700000\" />\
</points>\
</road>\
</roads>\
</city>";
self.xmlData = str;
[self xmlParse];
[self buildParse];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
#pragma mark---xml的解析-----
- (void)parsePois:(const TiXmlNode*)poiNode
{
const TiXmlElement* rootElement = poiNode->ToElement();
const TiXmlNode* node = rootElement->FirstChildElement();// This skips the "PDA" comment.
while (node) {
const char* value = node->Value();
if (0 == strcmp(value, "poi")) {
rootElement = node->ToElement();
printf("poiIno:");
const char* catolog = rootElement->Attribute("catalog");
if (catolog) {
printf("catolog=%s,",catolog);
}
const char* name = rootElement->Attribute("name");
if (name) {
printf("name=%s,",name);
}
double doublevalue = -1.0;
int result = -1;
result = rootElement->QueryDoubleAttribute( "x", &doublevalue);
if (result == TIXML_SUCCESS) {
printf("x=%lf,",doublevalue);
}
result = rootElement->QueryDoubleAttribute( "y", &doublevalue);
if (result == TIXML_SUCCESS) {
printf("y=%lf\n",doublevalue);
}
}
node = node->NextSibling();
}
}
- (void)parseRoads:(const TiXmlNode*)roadNode
{
const TiXmlElement* rootElement = roadNode->ToElement();
const TiXmlNode* node = rootElement->FirstChildElement();// This skips the "PDA" comment.
while (node) {
const char* value = node->Value();
if (0 == strcmp(value, "road")) {
rootElement = node->ToElement();
const char* roadId = rootElement->Attribute("id");
if (roadId) {
printf("roadId=%s",roadId);
}
const char* name = rootElement->Attribute("name");
if (name) {
printf("roadname=%s",name);
}
int value = -1;
int result = -1;
result = rootElement->QueryIntAttribute( "valid", &value);
if (result == TIXML_SUCCESS) {
printf("valid=%d",value);
}
result = rootElement->QueryIntAttribute( "width", &value);
if (result == TIXML_SUCCESS) {
printf("width=%d\n",value);
}
//先找points
const TiXmlNode* pointsNode = rootElement->FirstChildElement();
//再找point
const TiXmlElement* pointElement = pointsNode->ToElement();
const TiXmlNode* pointNode = pointElement->FirstChildElement(); // This skips the "PDA" comment.
while (pointNode) {
const char* pointValue = pointNode->Value();
if (0 == strcmp(pointValue, "point")) {
pointElement = pointNode->ToElement();
int intValue = 0;
result = pointElement->QueryIntAttribute("order", &intValue);
if (result == TIXML_SUCCESS) {
printf("\t\t point info:order=%d,",intValue);
}
const char* vid = pointElement->Attribute("vid");
if (vid) {
printf("vid=%s",vid);
}
double doublevalue = -1.0;
result = pointElement->QueryDoubleAttribute( "x", &doublevalue);
if (result == TIXML_SUCCESS) {
printf("x=%lf,",doublevalue);
}
result = pointElement->QueryDoubleAttribute( "y", &doublevalue);
if (result == TIXML_SUCCESS) {
printf("y=%lf\n",doublevalue);
}
}
pointNode = pointNode->NextSibling();
}
}
node = node->NextSibling();
}
}
- (void)xmlParse
{
NSLog(@"------------------XML 开始解析------------------\n");
TiXmlDocument *myDocument = new TiXmlDocument();
if (NULL == myDocument) {
return;
}
myDocument->Parse(_xmlData.UTF8String);
const TiXmlNode* rootNode = myDocument->FirstChild("city");
if (NULL == rootNode) {
delete myDocument;
return;
}
const TiXmlElement* rootElement = rootNode->ToElement();
const TiXmlNode* node = rootElement->FirstChildElement();// This skips the "PDA" comment.
while (node) {
const char* value = node->Value();
if (0 == strcmp(value, "pois")) {
NSLog(@"------开始解析pois-----");
[self parsePois:node];
NSLog(@"------完成解析pois-----");
}
else if (0 == strcmp(value, "roads"))
{
NSLog(@"------开始解析roads-----");
[self parseRoads:node];
NSLog(@"------完成解析roads-----");
}
node = node->NextSibling();
}
delete myDocument;
NSLog(@"------------------XML 完成解析------------------");
}
#pragma mark---xml的生成-----
- (void)buildParse
{
/*
NSString* str = @"<city>\
\
<pois>\
<poi catalog=\"生活服务\" name=\"火车票飞机票售票处\" x=\"12960121.140000\" y=\"4864264.440000\" />\
<poi catalog=\"购物\" name=\"皂就人生\" x=\"12960087.850000\" y=\"4864269.380000\" />\
<poi catalog=\"美食\" name=\"必胜客(惠新东桥店)\" x=\"12960191.040000\" y=\"4864423.390000\" /> \
<poi catalog=\"房产小区\" name=\"惠中园小区(北门)\" x=\"12960001.910000\" y=\"4864271.850000\" />\
</pois>\
\
<roads>\
<road id=\"J50F001020_37715\" name=\"北四环东路\" valid=\"1\" width=\"2\" >\
<points>\
<point order=\"0\" vid=\"10011018120904120936600\" x=\"12960310.270000\" y=\"4864348.300000\" />\
<point order=\"1\" vid=\"10011018120904120937600\" x=\"12960296.410000\" y=\"4864347.700000\" />\
</points>\
</road>\
</roads>\
</city>";
*/
NSLog(@"------------------XML 开始生成------------------");
//创建一个XML的文档对象。
TiXmlDocument* myDocument = new TiXmlDocument();
//创建一个根元素并连接。
TiXmlElement* rootElement = new TiXmlElement("city");
myDocument->LinkEndChild(rootElement);
//创建一个pois元素并连接。
TiXmlElement* poisElement = new TiXmlElement("pois");
rootElement->LinkEndChild(poisElement);
//创建四个poi元素并连接。
NSArray* poiCatalogArray = [NSArray arrayWithObjects:@"生活服务",@"购物",@"美食",@"房产小区", nil];
NSArray* poiNameArray = [NSArray arrayWithObjects:@"火车票飞机票售票处",@"皂就人生",@"必胜客(惠新东桥店)",@"惠中园小区(北门)", nil];
const int KArrayLen = 4;
double pXArray[KArrayLen];
pXArray[0] = 12960121.140000;
pXArray[1] = 12960087.850000;
pXArray[2] = 12960191.040000;
pXArray[3] = 12960001.910000;
double pYArray[KArrayLen];
pYArray[0] = 4864264.440000;
pYArray[1] = 4864269.380000;
pYArray[2] = 4864423.390000;
pYArray[3] = 4864271.850000;
for (int i = 0; i< KArrayLen; ++i) {
TiXmlElement* poiElement = new TiXmlElement("poi");
poisElement->LinkEndChild(poiElement);
NSString* str = [poiCatalogArray objectAtIndex:i];
poiElement->SetAttribute("catalog", str.UTF8String);
str = [poiNameArray objectAtIndex:i];
poiElement->SetAttribute("name", str.UTF8String);
poiElement->SetDoubleAttribute("x", pXArray[i]);
poiElement->SetDoubleAttribute("y", pYArray[i]);
}
//创建roads元素并连接。
TiXmlElement* roadsElement = new TiXmlElement("roads");
rootElement->LinkEndChild(roadsElement);
//创建road元素并连接。
TiXmlElement* roadElement = new TiXmlElement("road");
roadsElement->LinkEndChild(roadElement);
roadElement->SetAttribute("id", "J50F001020_37715");
roadElement->SetAttribute("name", "北四环东路");
roadElement->SetAttribute("valid", 1);
roadElement->SetAttribute("width", 2);
TiXmlElement* roadPointsElement = new TiXmlElement("points");
roadElement->LinkEndChild(roadPointsElement);
//point1
TiXmlElement* pointElement = new TiXmlElement("point");
pointElement->SetAttribute("order", 0);
pointElement->SetAttribute("vid", "10011018120904120936600");
pointElement->SetDoubleAttribute("x", 12960310.270000);
pointElement->SetDoubleAttribute("y", 4864348.300000);
roadPointsElement->LinkEndChild(pointElement);
pointElement = new TiXmlElement("point");
pointElement->SetAttribute("order", 1);
pointElement->SetAttribute("vid", "10011018120904120937600");
pointElement->SetDoubleAttribute("x", 12960296.410000);
pointElement->SetDoubleAttribute("y", 4864347.700000);
roadPointsElement->LinkEndChild(pointElement);
NSLog(@"----------XML生成的内容如下----------\n");
myDocument->Print();
delete myDocument;
NSLog(@"------------------XML 完成生成------------------");
}
@end
|