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-rw-r--r--OpenSim/Framework/LLSDxmlEncode.cs457
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diff --git a/OpenSim/Framework/LLSDxmlEncode.cs b/OpenSim/Framework/LLSDxmlEncode.cs
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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28// a class for low level LLSD encoding into a provided StringBuilder
29// for cases where we already need to know the low level detail
30// and so using something like OSD or even protbuf is just a pure waste
31
32using System;
33using System.Globalization;
34using System.Text;
35using OpenMetaverse;
36
37namespace OpenSim.Framework
38{
39 public static class LLSDxmlEncode
40 {
41 static readonly DateTime depoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
42
43 public static void AddStartHeader(StringBuilder sb, bool addxmlversion = false)
44 {
45 if(addxmlversion)
46 sb.Append("<?xml version=\"1.0\" encoding=\"UTF-8\"?><llsd>"); // legacy llsd xml name still valid
47 else
48 sb.Append("<llsd>");
49 }
50
51 public static void AddEndHeader(StringBuilder sb)
52 {
53 sb.Append("</llsd>");
54 }
55
56 // map == a list of key value pairs
57 public static void AddStartMap(StringBuilder sb)
58 {
59 sb.Append("<map>");
60 }
61
62 public static void AddEndMap(StringBuilder sb)
63 {
64 sb.Append("</map>");
65 }
66
67 public static void AddEmpyMap(StringBuilder sb)
68 {
69 sb.Append("<map />");
70 }
71
72 // array == a list values
73 public static void AddStartArray(StringBuilder sb)
74 {
75 sb.Append("<array>");
76 }
77
78 public static void AddEndArray(StringBuilder sb)
79 {
80 sb.Append("</array>");
81 }
82
83 public static void AddEmpyArray(StringBuilder sb)
84 {
85 sb.Append("<array />");
86 }
87
88 // undefined or null
89 public static void AddUnknownElem(StringBuilder sb)
90 {
91 sb.Append("<undef />");
92 }
93
94 public static void AddElem(bool e, StringBuilder sb)
95 {
96 if(e)
97 sb.Append("<boolean>1</boolean>");
98 else
99 sb.Append("<boolean />");
100 }
101
102 public static void AddElem(int e, StringBuilder sb)
103 {
104 if(e == 0)
105 sb.Append("<integer />");
106 else
107 {
108 sb.Append("<integer>");
109 sb.Append(e.ToString());
110 sb.Append("</integer>");
111 }
112 }
113
114 public static void AddElem(float e, StringBuilder sb)
115 {
116 if(e == 0)
117 sb.Append("<real />");
118 else
119 {
120 sb.Append("<real>");
121 sb.Append(e.ToString(CultureInfo.InvariantCulture));
122 sb.Append("</real>");
123 }
124 }
125
126 public static void AddElem(double e, StringBuilder sb)
127 {
128 if(e == 0)
129 sb.Append("<real />");
130 else
131 {
132 sb.Append("<real>");
133 sb.Append(e.ToString(CultureInfo.InvariantCulture));
134 sb.Append("</real>");
135 }
136 }
137
138 public static void AddElem(UUID e, StringBuilder sb)
139 {
140 if(e == UUID.Zero)
141 sb.Append("<uuid />");
142 else
143 {
144 sb.Append("<uuid>");
145 EscapeToXML(e.ToString(), sb);
146 sb.Append("</uuid>");
147 }
148 }
149
150 public static void AddElem(string e, StringBuilder sb)
151 {
152 if(String.IsNullOrEmpty(e))
153 sb.Append("<string />");
154 else
155 {
156 sb.Append("<string>");
157 sb.Append(e.ToString());
158 sb.Append("</string>");
159 }
160 }
161
162 public static void AddRawElem(string e, StringBuilder sb)
163 {
164 if(String.IsNullOrEmpty(e))
165 sb.Append("<string />");
166 else
167 {
168 sb.Append("<string>");
169 sb.Append(e);
170 sb.Append("</string>");
171 }
172 }
173
174 public static void AddURIElem(Uri e, StringBuilder sb)
175 {
176 if(e == null)
177 {
178 sb.Append("<uri />");
179 return;
180 }
181
182 string s;
183 if (e.IsAbsoluteUri)
184 s = e.AbsoluteUri;
185 else
186 s = e.ToString();
187
188 if(String.IsNullOrEmpty(s))
189 sb.Append("<uri />");
190 else
191 {
192 sb.Append("<uri>");
193 sb.Append(s);
194 sb.Append("</uri>");
195 }
196 }
197
198 public static void AddElem(DateTime e, StringBuilder sb)
199 {
200 DateTime u = e.ToUniversalTime();
201 if(u == depoch)
202 {
203 sb.Append("<date />");
204 return;
205 }
206 string format;
207 if(u.Hour == 0 && u.Minute == 0 && u.Second == 0)
208 format = "yyyy-MM-dd";
209 else if (u.Millisecond > 0)
210 format = "yyyy-MM-ddTHH:mm:ss.ffZ";
211 else
212 format = "yyyy-MM-ddTHH:mm:ssZ";
213 sb.Append("<date>");
214 sb.Append(u.ToString(format,CultureInfo.InvariantCulture));
215 sb.Append("</date>");
216 }
217
218//************ key value *******************
219// assumes name is a valid llsd key
220
221 public static void AddStartMap(string name, StringBuilder sb)
222 {
223 sb.Append("<key>");
224 sb.Append(name);
225 sb.Append("</key><map>");
226 }
227
228 public static void AddEmpyMap(string name, StringBuilder sb)
229 {
230 sb.Append("<key>");
231 sb.Append(name);
232 sb.Append("</key><map />");
233 }
234
235 // array == a list values
236 public static void AddStartArray(string name, StringBuilder sb)
237 {
238 sb.Append("<key>");
239 sb.Append(name);
240 sb.Append("</key><array>");
241 }
242
243 public static void AddEmpyArray(string name, StringBuilder sb)
244 {
245 sb.Append("<key>");
246 sb.Append(name);
247 sb.Append("</key><array />");
248 }
249
250 // undefined or null
251 public static void AddUnknownElem(string name, StringBuilder sb)
252 {
253 sb.Append("<key>");
254 sb.Append(name);
255 sb.Append("</key><undef />");
256 }
257
258 public static void AddElem(string name, bool e, StringBuilder sb)
259 {
260 sb.Append("<key>");
261 sb.Append(name);
262 sb.Append("</key>");
263
264 if(e)
265 sb.Append("<boolean>1</boolean>");
266 else
267 sb.Append("<boolean />");
268 }
269
270 public static void AddElem(string name, int e, StringBuilder sb)
271 {
272 sb.Append("<key>");
273 sb.Append(name);
274 sb.Append("</key>");
275
276 if(e == 0)
277 sb.Append("<integer />");
278 else
279 {
280 sb.Append("<integer>");
281 sb.Append(e.ToString());
282 sb.Append("</integer>");
283 }
284 }
285
286 public static void AddElem(string name, float e, StringBuilder sb)
287 {
288 sb.Append("<key>");
289 sb.Append(name);
290 sb.Append("</key>");
291
292 if(e == 0)
293 sb.Append("<real />");
294 else
295 {
296 sb.Append("<real>");
297 sb.Append(e.ToString(CultureInfo.InvariantCulture));
298 sb.Append("</real>");
299 }
300 }
301
302 public static void AddElem(string name, double e, StringBuilder sb)
303 {
304 sb.Append("<key>");
305 sb.Append(name);
306 sb.Append("</key>");
307
308 if(e == 0)
309 sb.Append("<real />");
310 else
311 {
312 sb.Append("<real>");
313 sb.Append(e.ToString(CultureInfo.InvariantCulture));
314 sb.Append("</real>");
315 }
316 }
317
318 public static void AddElem(string name, UUID e, StringBuilder sb)
319 {
320 sb.Append("<key>");
321 sb.Append(name);
322 sb.Append("</key>");
323
324 if(e == UUID.Zero)
325 sb.Append("<uuid />");
326 else
327 {
328 sb.Append("<uuid>");
329 EscapeToXML(e.ToString(), sb);
330 sb.Append("</uuid>");
331 }
332 }
333
334 public static void AddElem(string name, string e, StringBuilder sb)
335 {
336 sb.Append("<key>");
337 sb.Append(name);
338 sb.Append("</key>");
339
340 if(String.IsNullOrEmpty(e))
341 sb.Append("<string />");
342 else
343 {
344 sb.Append("<string>");
345 sb.Append(e.ToString());
346 sb.Append("</string>");
347 }
348 }
349
350 public static void AddRawElem(string name, string e, StringBuilder sb)
351 {
352 sb.Append("<key>");
353 sb.Append(name);
354 sb.Append("</key>");
355
356 if(String.IsNullOrEmpty(e))
357 sb.Append("<string />");
358 else
359 {
360 sb.Append("<string>");
361 sb.Append(e);
362 sb.Append("</string>");
363 }
364 }
365
366 public static void AddURIElem(string name, Uri e, StringBuilder sb)
367 {
368 sb.Append("<key>");
369 sb.Append(name);
370 sb.Append("</key>");
371
372 if(e == null)
373 {
374 sb.Append("<uri />");
375 return;
376 }
377
378 string s;
379 if (e.IsAbsoluteUri)
380 s = e.AbsoluteUri;
381 else
382 s = e.ToString();
383
384 if(String.IsNullOrEmpty(s))
385 sb.Append("<uri />");
386 else
387 {
388 sb.Append("<uri>");
389 sb.Append(s);
390 sb.Append("</uri>");
391 }
392 }
393
394 public static void AddElem(string name, DateTime e, StringBuilder sb)
395 {
396 sb.Append("<key>");
397 sb.Append(name);
398 sb.Append("</key>");
399
400 DateTime u = e.ToUniversalTime();
401 if(u == depoch)
402 {
403 sb.Append("<date />");
404 return;
405 }
406 string format;
407 if(u.Hour == 0 && u.Minute == 0 && u.Second == 0)
408 format = "yyyy-MM-dd";
409 else if (u.Millisecond > 0)
410 format = "yyyy-MM-ddTHH:mm:ss.ffZ";
411 else
412 format = "yyyy-MM-ddTHH:mm:ssZ";
413 sb.Append("<date>");
414 sb.Append(u.ToString(format,CultureInfo.InvariantCulture));
415 sb.Append("</date>");
416 }
417
418 public static void AddLLSD(string e, StringBuilder sb)
419 {
420 sb.Append(e);
421 }
422
423 public static void EscapeToXML(string s, StringBuilder sb)
424 {
425 int i;
426 char c;
427 String t;
428 int len = s.Length;
429
430 for (i = 0; i < len; i++)
431 {
432 c = s[i];
433 switch (c)
434 {
435 case '<':
436 sb.Append("&lt;");
437 break;
438 case '>':
439 sb.Append("&gt;");
440 break;
441 case '&':
442 sb.Append("&amp;");
443 break;
444 case '"':
445 sb.Append("&quot;");
446 break;
447 case '\\':
448 sb.Append("&apos;");
449 break;
450 default:
451 sb.Append(c);
452 break;
453 }
454 }
455 }
456 }
457}
generated by cgit v1.1 at 2024-12-29 23:17:23 +0000