opensim-development – Blame information for rev 1
?pathlinks?
Rev | Author | Line No. | Line |
---|---|---|---|
1 | eva | 1 | #region BSD License |
2 | /* |
||
3 | Copyright (c) 2004-2005 Matthew Holmes (matthew@wildfiregames.com), Dan Moorehead (dan05a@gmail.com) |
||
4 | |||
5 | Redistribution and use in source and binary forms, with or without modification, are permitted |
||
6 | provided that the following conditions are met: |
||
7 | |||
8 | * Redistributions of source code must retain the above copyright notice, this list of conditions |
||
9 | and the following disclaimer. |
||
10 | * Redistributions in binary form must reproduce the above copyright notice, this list of conditions |
||
11 | and the following disclaimer in the documentation and/or other materials provided with the |
||
12 | distribution. |
||
13 | * The name of the author may not be used to endorse or promote products derived from this software |
||
14 | without specific prior written permission. |
||
15 | |||
16 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, |
||
17 | BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
||
18 | ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
||
19 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
||
20 | OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
||
21 | OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
||
22 | IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
23 | */ |
||
24 | #endregion |
||
25 | |||
26 | using System; |
||
27 | using System.Collections.Generic; |
||
28 | using System.IO; |
||
29 | using System.Text.RegularExpressions; |
||
30 | using System.Xml; |
||
31 | |||
32 | namespace Prebuild.Core.Parse |
||
33 | { |
||
34 | /// <summary> |
||
35 | /// |
||
36 | /// </summary> |
||
37 | public enum OperatorSymbol |
||
38 | { |
||
39 | /// <summary> |
||
40 | /// |
||
41 | /// </summary> |
||
42 | None, |
||
43 | /// <summary> |
||
44 | /// |
||
45 | /// </summary> |
||
46 | Equal, |
||
47 | /// <summary> |
||
48 | /// |
||
49 | /// </summary> |
||
50 | NotEqual, |
||
51 | /// <summary> |
||
52 | /// |
||
53 | /// </summary> |
||
54 | LessThan, |
||
55 | /// <summary> |
||
56 | /// |
||
57 | /// </summary> |
||
58 | GreaterThan, |
||
59 | /// <summary> |
||
60 | /// |
||
61 | /// </summary> |
||
62 | LessThanEqual, |
||
63 | /// <summary> |
||
64 | /// |
||
65 | /// </summary> |
||
66 | GreaterThanEqual |
||
67 | } |
||
68 | |||
69 | /// <summary> |
||
70 | /// |
||
71 | /// </summary> |
||
72 | public class Preprocessor |
||
73 | { |
||
74 | #region Constants |
||
75 | |||
76 | /// <summary> |
||
77 | /// Includes the regex to look for file tags in the <?include |
||
78 | /// ?> processing instruction. |
||
79 | /// </summary> |
||
80 | private static readonly Regex includeFileRegex = new Regex("file=\"(.+?)\""); |
||
81 | |||
82 | #endregion |
||
83 | |||
84 | #region Fields |
||
85 | |||
86 | readonly XmlDocument m_OutDoc = new XmlDocument(); |
||
87 | readonly Stack<IfContext> m_IfStack = new Stack<IfContext>(); |
||
88 | readonly Dictionary<string, object> m_Variables = new Dictionary<string, object>(); |
||
89 | |||
90 | #endregion |
||
91 | |||
92 | #region Constructors |
||
93 | |||
94 | /// <summary> |
||
95 | /// Initializes a new instance of the <see cref="Preprocessor"/> class. |
||
96 | /// </summary> |
||
97 | public Preprocessor() |
||
98 | { |
||
99 | RegisterVariable("OS", GetOS()); |
||
100 | RegisterVariable("RuntimeVersion", Environment.Version.Major); |
||
101 | RegisterVariable("RuntimeMajor", Environment.Version.Major); |
||
102 | RegisterVariable("RuntimeMinor", Environment.Version.Minor); |
||
103 | RegisterVariable("RuntimeRevision", Environment.Version.Revision); |
||
104 | } |
||
105 | |||
106 | #endregion |
||
107 | |||
108 | #region Properties |
||
109 | |||
110 | /// <summary> |
||
111 | /// Gets the processed doc. |
||
112 | /// </summary> |
||
113 | /// <value>The processed doc.</value> |
||
114 | public XmlDocument ProcessedDoc |
||
115 | { |
||
116 | get |
||
117 | { |
||
118 | return m_OutDoc; |
||
119 | } |
||
120 | } |
||
121 | |||
122 | #endregion |
||
123 | |||
124 | #region Private Methods |
||
125 | |||
126 | /// <summary> |
||
127 | /// Parts of this code were taken from NAnt and is subject to the GPL |
||
128 | /// as per NAnt's license. Thanks to the NAnt guys for this little gem. |
||
129 | /// </summary> |
||
130 | /// <returns></returns> |
||
131 | public static string GetOS() |
||
132 | { |
||
133 | PlatformID platId = Environment.OSVersion.Platform; |
||
134 | if(platId == PlatformID.Win32NT || platId == PlatformID.Win32Windows) |
||
135 | { |
||
136 | return "Win32"; |
||
137 | } |
||
138 | |||
139 | if (File.Exists("/System/Library/Frameworks/Cocoa.framework/Cocoa")) |
||
140 | { |
||
141 | return "MACOSX"; |
||
142 | } |
||
143 | |||
144 | /* |
||
145 | * .NET 1.x, under Mono, the UNIX code is 128. Under |
||
146 | * .NET 2.x, Mono or MS, the UNIX code is 4 |
||
147 | */ |
||
148 | if(Environment.Version.Major == 1) |
||
149 | { |
||
150 | if((int)platId == 128) |
||
151 | { |
||
152 | return "UNIX"; |
||
153 | } |
||
154 | } |
||
155 | else if((int)platId == 4) |
||
156 | { |
||
157 | return "UNIX"; |
||
158 | } |
||
159 | |||
160 | return "Unknown"; |
||
161 | } |
||
162 | |||
163 | private static bool CompareNum(OperatorSymbol oper, int val1, int val2) |
||
164 | { |
||
165 | switch(oper) |
||
166 | { |
||
167 | case OperatorSymbol.Equal: |
||
168 | return (val1 == val2); |
||
169 | case OperatorSymbol.NotEqual: |
||
170 | return (val1 != val2); |
||
171 | case OperatorSymbol.LessThan: |
||
172 | return (val1 < val2); |
||
173 | case OperatorSymbol.LessThanEqual: |
||
174 | return (val1 <= val2); |
||
175 | case OperatorSymbol.GreaterThan: |
||
176 | return (val1 > val2); |
||
177 | case OperatorSymbol.GreaterThanEqual: |
||
178 | return (val1 >= val2); |
||
179 | } |
||
180 | |||
181 | throw new WarningException("Unknown operator type"); |
||
182 | } |
||
183 | |||
184 | private static bool CompareStr(OperatorSymbol oper, string val1, string val2) |
||
185 | { |
||
186 | switch(oper) |
||
187 | { |
||
188 | case OperatorSymbol.Equal: |
||
189 | return (val1 == val2); |
||
190 | case OperatorSymbol.NotEqual: |
||
191 | return (val1 != val2); |
||
192 | case OperatorSymbol.LessThan: |
||
193 | return (val1.CompareTo(val2) < 0); |
||
194 | case OperatorSymbol.LessThanEqual: |
||
195 | return (val1.CompareTo(val2) <= 0); |
||
196 | case OperatorSymbol.GreaterThan: |
||
197 | return (val1.CompareTo(val2) > 0); |
||
198 | case OperatorSymbol.GreaterThanEqual: |
||
199 | return (val1.CompareTo(val2) >= 0); |
||
200 | } |
||
201 | |||
202 | throw new WarningException("Unknown operator type"); |
||
203 | } |
||
204 | |||
205 | private static char NextChar(int idx, string str) |
||
206 | { |
||
207 | if((idx + 1) >= str.Length) |
||
208 | { |
||
209 | return Char.MaxValue; |
||
210 | } |
||
211 | |||
212 | return str[idx + 1]; |
||
213 | } |
||
214 | // Very very simple expression parser. Can only match expressions of the form |
||
215 | // <var> <op> <value>: |
||
216 | // OS = Windows |
||
217 | // OS != Linux |
||
218 | // RuntimeMinor > 0 |
||
219 | private bool ParseExpression(string exp) |
||
220 | { |
||
221 | if(exp == null) |
||
222 | { |
||
223 | throw new ArgumentException("Invalid expression, cannot be null"); |
||
224 | } |
||
225 | |||
226 | exp = exp.Trim(); |
||
227 | if(exp.Length < 1) |
||
228 | { |
||
229 | throw new ArgumentException("Invalid expression, cannot be 0 length"); |
||
230 | } |
||
231 | |||
232 | string id = ""; |
||
233 | string str = ""; |
||
234 | OperatorSymbol oper = OperatorSymbol.None; |
||
235 | bool inStr = false; |
||
236 | |||
237 | for(int i = 0; i < exp.Length; i++) |
||
238 | { |
||
239 | char c = exp[i]; |
||
240 | if(Char.IsWhiteSpace(c)) |
||
241 | { |
||
242 | continue; |
||
243 | } |
||
244 | |||
245 | if(Char.IsLetterOrDigit(c) || c == '_') |
||
246 | { |
||
247 | if(inStr) |
||
248 | { |
||
249 | str += c; |
||
250 | } |
||
251 | else |
||
252 | { |
||
253 | id += c; |
||
254 | } |
||
255 | } |
||
256 | else if(c == '\"') |
||
257 | { |
||
258 | inStr = !inStr; |
||
259 | if(inStr) |
||
260 | { |
||
261 | str = ""; |
||
262 | } |
||
263 | } |
||
264 | else |
||
265 | { |
||
266 | if(inStr) |
||
267 | { |
||
268 | str += c; |
||
269 | } |
||
270 | else |
||
271 | { |
||
272 | switch(c) |
||
273 | { |
||
274 | case '=': |
||
275 | oper = OperatorSymbol.Equal; |
||
276 | break; |
||
277 | |||
278 | case '!': |
||
279 | if(NextChar(i, exp) == '=') |
||
280 | { |
||
281 | oper = OperatorSymbol.NotEqual; |
||
282 | } |
||
283 | |||
284 | break; |
||
285 | |||
286 | case '<': |
||
287 | if(NextChar(i, exp) == '=') |
||
288 | { |
||
289 | oper = OperatorSymbol.LessThanEqual; |
||
290 | } |
||
291 | else |
||
292 | { |
||
293 | oper = OperatorSymbol.LessThan; |
||
294 | } |
||
295 | |||
296 | break; |
||
297 | |||
298 | case '>': |
||
299 | if(NextChar(i, exp) == '=') |
||
300 | { |
||
301 | oper = OperatorSymbol.GreaterThanEqual; |
||
302 | } |
||
303 | else |
||
304 | { |
||
305 | oper = OperatorSymbol.GreaterThan; |
||
306 | } |
||
307 | |||
308 | break; |
||
309 | } |
||
310 | } |
||
311 | } |
||
312 | } |
||
313 | |||
314 | |||
315 | if(inStr) |
||
316 | { |
||
317 | throw new WarningException("Expected end of string in expression"); |
||
318 | } |
||
319 | |||
320 | if(oper == OperatorSymbol.None) |
||
321 | { |
||
322 | throw new WarningException("Expected operator in expression"); |
||
323 | } |
||
324 | if(id.Length < 1) |
||
325 | { |
||
326 | throw new WarningException("Expected identifier in expression"); |
||
327 | } |
||
328 | if(str.Length < 1) |
||
329 | { |
||
330 | throw new WarningException("Expected value in expression"); |
||
331 | } |
||
332 | |||
333 | bool ret; |
||
334 | try |
||
335 | { |
||
336 | object val = m_Variables[id.ToLower()]; |
||
337 | if(val == null) |
||
338 | { |
||
339 | throw new WarningException("Unknown identifier '{0}'", id); |
||
340 | } |
||
341 | |||
342 | Type t = val.GetType(); |
||
343 | if(t.IsAssignableFrom(typeof(int))) |
||
344 | { |
||
345 | int numVal = (int)val; |
||
346 | int numVal2 = Int32.Parse(str); |
||
347 | ret = CompareNum(oper, numVal, numVal2); |
||
348 | } |
||
349 | else |
||
350 | { |
||
351 | string strVal = val.ToString(); |
||
352 | string strVal2 = str; |
||
353 | ret = CompareStr(oper, strVal, strVal2); |
||
354 | } |
||
355 | } |
||
356 | catch(ArgumentException ex) |
||
357 | { |
||
358 | ex.ToString(); |
||
359 | throw new WarningException("Invalid value type for system variable '{0}', expected int", id); |
||
360 | } |
||
361 | |||
362 | return ret; |
||
363 | } |
||
364 | |||
365 | /// <summary> |
||
366 | /// Taken from current Prebuild included in OpenSim 0.7.x |
||
367 | /// </summary> |
||
368 | /// <param name="readerStack"> |
||
369 | /// A <see cref="Stack<XmlReader>"/> |
||
370 | /// </param> |
||
371 | /// <param name="include"> |
||
372 | /// A <see cref="System.String"/> |
||
373 | /// </param> |
||
374 | private static void WildCardInclude (Stack<XmlReader> readerStack, string include) |
||
375 | { |
||
376 | if (!include.Contains ("*")) { |
||
377 | return; |
||
378 | } |
||
379 | |||
380 | // Console.WriteLine("Processing {0}", include); |
||
381 | |||
382 | // Break up the include into pre and post wildcard sections |
||
383 | string preWildcard = include.Substring (0, include.IndexOf ("*")); |
||
384 | string postWildcard = include.Substring (include.IndexOf ("*") + 2); |
||
385 | |||
386 | // If preWildcard is a directory, recurse |
||
387 | if (Directory.Exists (preWildcard)) { |
||
388 | string[] directories = Directory.GetDirectories (preWildcard); |
||
389 | Array.Sort (directories); |
||
390 | Array.Reverse (directories); |
||
391 | foreach (string dirPath in directories) { |
||
392 | //Console.WriteLine ("Scanning : {0}", dirPath); |
||
393 | |||
394 | string includeFile = Path.Combine (dirPath, postWildcard); |
||
395 | if (includeFile.Contains ("*")) { |
||
396 | // postWildcard included another wildcard, recurse. |
||
397 | WildCardInclude (readerStack, includeFile); |
||
398 | } else { |
||
399 | FileInfo file = new FileInfo (includeFile); |
||
400 | if (file.Exists) { |
||
401 | //Console.WriteLine ("Including File: {0}", includeFile); |
||
402 | XmlReader newReader = new XmlTextReader (file.Open (FileMode.Open, FileAccess.Read, FileShare.Read)); |
||
403 | readerStack.Push (newReader); |
||
404 | } |
||
405 | } |
||
406 | } |
||
407 | } else { |
||
408 | // preWildcard is not a path to a directory, so the wildcard is in the filename |
||
409 | string searchFilename = Path.GetFileName (preWildcard.Substring (preWildcard.IndexOf ("/") + 1) + "*" + postWildcard); |
||
410 | Console.WriteLine ("searchFilename: {0}", searchFilename); |
||
411 | |||
412 | string searchDirectory = Path.GetDirectoryName (preWildcard); |
||
413 | Console.WriteLine ("searchDirectory: {0}", searchDirectory); |
||
414 | |||
415 | string[] files = Directory.GetFiles (searchDirectory, searchFilename); |
||
416 | Array.Sort (files); |
||
417 | Array.Reverse (files); |
||
418 | foreach (string includeFile in files) { |
||
419 | FileInfo file = new FileInfo (includeFile); |
||
420 | if (file.Exists) { |
||
421 | // Console.WriteLine ("Including File: {0}", includeFile); |
||
422 | XmlReader newReader = new XmlTextReader (file.Open (FileMode.Open, FileAccess.Read, FileShare.Read)); |
||
423 | readerStack.Push (newReader); |
||
424 | } |
||
425 | } |
||
426 | } |
||
427 | } |
||
428 | |||
429 | #endregion |
||
430 | |||
431 | #region Public Methods |
||
432 | |||
433 | /// <summary> |
||
434 | /// |
||
435 | /// </summary> |
||
436 | /// <param name="name"></param> |
||
437 | /// <param name="variableValue"></param> |
||
438 | public void RegisterVariable(string name, object variableValue) |
||
439 | { |
||
440 | if(name == null || variableValue == null) |
||
441 | { |
||
442 | return; |
||
443 | } |
||
444 | |||
445 | m_Variables[name.ToLower()] = variableValue; |
||
446 | } |
||
447 | |||
448 | /// <summary> |
||
449 | /// Performs validation on the xml source as well as evaluates conditional and flow expresions |
||
450 | /// </summary> |
||
451 | /// <exception cref="ArgumentException">For invalid use of conditional expressions or for invalid XML syntax. If a XmlValidatingReader is passed, then will also throw exceptions for non-schema-conforming xml</exception> |
||
452 | /// <param name="initialReader"></param> |
||
453 | /// <returns>the output xml </returns> |
||
454 | public string Process(XmlReader initialReader) |
||
455 | { |
||
456 | if(initialReader == null) |
||
457 | { |
||
458 | throw new ArgumentException("Invalid XML reader to pre-process"); |
||
459 | } |
||
460 | |||
461 | IfContext context = new IfContext(true, true, IfState.None); |
||
462 | StringWriter xmlText = new StringWriter(); |
||
463 | XmlTextWriter writer = new XmlTextWriter(xmlText); |
||
464 | writer.Formatting = Formatting.Indented; |
||
465 | |||
466 | // Create a queue of XML readers and add the initial |
||
467 | // reader to it. Then we process until we run out of |
||
468 | // readers which lets the <?include?> operation add more |
||
469 | // readers to generate a multi-file parser and not require |
||
470 | // XML fragments that a recursive version would use. |
||
471 | Stack<XmlReader> readerStack = new Stack<XmlReader>(); |
||
472 | readerStack.Push(initialReader); |
||
473 | |||
474 | while(readerStack.Count > 0) |
||
475 | { |
||
476 | // Pop off the next reader. |
||
477 | XmlReader reader = readerStack.Pop(); |
||
478 | |||
479 | // Process through this XML reader until it is |
||
480 | // completed (or it is replaced by the include |
||
481 | // operation). |
||
482 | while(reader.Read()) |
||
483 | { |
||
484 | // The prebuild file has a series of processing |
||
485 | // instructions which allow for specific |
||
486 | // inclusions based on operating system or to |
||
487 | // include additional files. |
||
488 | if(reader.NodeType == XmlNodeType.ProcessingInstruction) |
||
489 | { |
||
490 | bool ignore = false; |
||
491 | |||
492 | switch(reader.LocalName) |
||
493 | { |
||
494 | case "include": |
||
495 | // use regular expressions to parse out the attributes. |
||
496 | MatchCollection matches = includeFileRegex.Matches(reader.Value); |
||
497 | |||
498 | // make sure there is only one file attribute. |
||
499 | if(matches.Count > 1) |
||
500 | { |
||
501 | throw new WarningException("An <?include ?> node was found, but it specified more than one file."); |
||
502 | } |
||
503 | |||
504 | if(matches.Count == 0) |
||
505 | { |
||
506 | throw new WarningException("An <?include ?> node was found, but it did not specify the file attribute."); |
||
507 | } |
||
508 | |||
509 | // ***** Adding for wildcard handling |
||
510 | // Push current reader back onto the stack. |
||
511 | readerStack.Push (reader); |
||
512 | |||
513 | // Pull the file out from the regex and make sure it is a valid file before using it. |
||
514 | string filename = matches[0].Groups[1].Value; |
||
515 | |||
516 | filename = String.Join (Path.DirectorySeparatorChar.ToString (), filename.Split (new char[] { '/', '\\' })); |
||
517 | |||
518 | if (!filename.Contains ("*")) { |
||
519 | |||
520 | FileInfo includeFile = new FileInfo (filename); |
||
521 | if (!includeFile.Exists) { |
||
522 | throw new WarningException ("Cannot include file: " + includeFile.FullName); |
||
523 | } |
||
524 | |||
525 | // Create a new reader object for this file. Then put the old reader back on the stack and start |
||
526 | // processing using this new XML reader. |
||
527 | |||
528 | XmlReader newReader = new XmlTextReader (includeFile.Open (FileMode.Open, FileAccess.Read, FileShare.Read)); |
||
529 | reader = newReader; |
||
530 | readerStack.Push (reader); |
||
531 | |||
532 | } else { |
||
533 | WildCardInclude (readerStack, filename); |
||
534 | } |
||
535 | |||
536 | reader = (XmlReader)readerStack.Pop (); |
||
537 | ignore = true; |
||
538 | break; |
||
539 | |||
540 | case "if": |
||
541 | m_IfStack.Push(context); |
||
542 | context = new IfContext(context.Keep & context.Active, ParseExpression(reader.Value), IfState.If); |
||
543 | ignore = true; |
||
544 | break; |
||
545 | |||
546 | case "elseif": |
||
547 | if(m_IfStack.Count == 0) |
||
548 | { |
||
549 | throw new WarningException("Unexpected 'elseif' outside of 'if'"); |
||
550 | } |
||
551 | if(context.State != IfState.If && context.State != IfState.ElseIf) |
||
552 | { |
||
553 | throw new WarningException("Unexpected 'elseif' outside of 'if'"); |
||
554 | } |
||
555 | |||
556 | context.State = IfState.ElseIf; |
||
557 | if(!context.EverKept) |
||
558 | { |
||
559 | context.Keep = ParseExpression(reader.Value); |
||
560 | } |
||
561 | else |
||
562 | { |
||
563 | context.Keep = false; |
||
564 | } |
||
565 | |||
566 | ignore = true; |
||
567 | break; |
||
568 | |||
569 | case "else": |
||
570 | if(m_IfStack.Count == 0) |
||
571 | { |
||
572 | throw new WarningException("Unexpected 'else' outside of 'if'"); |
||
573 | } |
||
574 | if(context.State != IfState.If && context.State != IfState.ElseIf) |
||
575 | { |
||
576 | throw new WarningException("Unexpected 'else' outside of 'if'"); |
||
577 | } |
||
578 | |||
579 | context.State = IfState.Else; |
||
580 | context.Keep = !context.EverKept; |
||
581 | ignore = true; |
||
582 | break; |
||
583 | |||
584 | case "endif": |
||
585 | if(m_IfStack.Count == 0) |
||
586 | { |
||
587 | throw new WarningException("Unexpected 'endif' outside of 'if'"); |
||
588 | } |
||
589 | |||
590 | context = m_IfStack.Pop(); |
||
591 | ignore = true; |
||
592 | break; |
||
593 | } |
||
594 | |||
595 | if(ignore) |
||
596 | { |
||
597 | continue; |
||
598 | } |
||
599 | }//end pre-proc instruction |
||
600 | |||
601 | if(!context.Active || !context.Keep) |
||
602 | { |
||
603 | continue; |
||
604 | } |
||
605 | |||
606 | switch(reader.NodeType) |
||
607 | { |
||
608 | case XmlNodeType.Element: |
||
609 | bool empty = reader.IsEmptyElement; |
||
610 | writer.WriteStartElement(reader.Name); |
||
611 | |||
612 | while (reader.MoveToNextAttribute()) |
||
613 | { |
||
614 | writer.WriteAttributeString(reader.Name, reader.Value); |
||
615 | } |
||
616 | |||
617 | if(empty) |
||
618 | { |
||
619 | writer.WriteEndElement(); |
||
620 | } |
||
621 | |||
622 | break; |
||
623 | |||
624 | case XmlNodeType.EndElement: |
||
625 | writer.WriteEndElement(); |
||
626 | break; |
||
627 | |||
628 | case XmlNodeType.Text: |
||
629 | writer.WriteString(reader.Value); |
||
630 | break; |
||
631 | |||
632 | case XmlNodeType.CDATA: |
||
633 | writer.WriteCData(reader.Value); |
||
634 | break; |
||
635 | |||
636 | default: |
||
637 | break; |
||
638 | } |
||
639 | } |
||
640 | |||
641 | if(m_IfStack.Count != 0) |
||
642 | { |
||
643 | throw new WarningException("Mismatched 'if', 'endif' pair"); |
||
644 | } |
||
645 | } |
||
646 | |||
647 | return xmlText.ToString(); |
||
648 | } |
||
649 | |||
650 | #endregion |
||
651 | } |
||
652 | } |