summaryrefslogtreecommitdiff
path: root/zenxml/doc/parser_8h_source.html
blob: 97bdc7e335a489570f1a05cfcf533477ebd1e040 (plain)
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
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>zen::Xml: parser.h Source File</title>

<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css" />

<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
  $(document).ready(function() { searchBox.OnSelectItem(0); });
</script>

</head>
<body>
<div id="top"><!-- do not remove this div! -->


<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  
  <td id="projectlogo"><img alt="Logo" src="zenXml.png"/></td>
  
  
  <td style="padding-left: 0.5em;">
   <div id="projectname">zen::Xml
   
   </div>
   <div id="projectbrief">Simple C++  XML Processing</div>
  </td>
  
  
  
 </tr>
 </tbody>
</table>
</div>

<!-- Generated by Doxygen 1.8.0 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
  <div id="navrow1" class="tabs">
    <ul class="tablist">
      <li><a href="index.html"><span>Main&#160;Page</span></a></li>
      <li><a href="namespaces.html"><span>Namespaces</span></a></li>
      <li><a href="annotated.html"><span>Classes</span></a></li>
      <li class="current"><a href="files.html"><span>Files</span></a></li>
      <li>
        <div id="MSearchBox" class="MSearchBoxInactive">
        <span class="left">
          <img id="MSearchSelect" src="search/mag_sel.png"
               onmouseover="return searchBox.OnSearchSelectShow()"
               onmouseout="return searchBox.OnSearchSelectHide()"
               alt=""/>
          <input type="text" id="MSearchField" value="Search" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
          </span>
        </div>
      </li>
    </ul>
  </div>
  <div id="navrow2" class="tabs2">
    <ul class="tablist">
      <li><a href="files.html"><span>File&#160;List</span></a></li>
    </ul>
  </div>
</div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark">&#160;</span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark">&#160;</span>Variables</a></div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div class="header">
  <div class="headertitle">
<div class="title">parser.h</div>  </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// **************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment">// * This file is part of the zen::Xml project. It is distributed under the *</span>
<a name="l00003"></a>00003 <span class="comment">// * Boost Software License: http://www.boost.org/LICENSE_1_0.txt           *</span>
<a name="l00004"></a>00004 <span class="comment">// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved        *</span>
<a name="l00005"></a>00005 <span class="comment">// **************************************************************************</span>
<a name="l00006"></a>00006 
<a name="l00007"></a>00007 <span class="preprocessor">#ifndef ZEN_XML_PARSER_HEADER_81248670213764583021432</span>
<a name="l00008"></a>00008 <span class="preprocessor"></span><span class="preprocessor">#define ZEN_XML_PARSER_HEADER_81248670213764583021432</span>
<a name="l00009"></a>00009 <span class="preprocessor"></span>
<a name="l00010"></a>00010 <span class="preprocessor">#include &lt;cstdio&gt;</span>
<a name="l00011"></a>00011 <span class="preprocessor">#include &lt;cstddef&gt;</span> <span class="comment">//ptrdiff_t; req. on Linux</span>
<a name="l00012"></a>00012 <span class="preprocessor">#include &lt;zen/string_traits.h&gt;</span>
<a name="l00013"></a>00013 <span class="preprocessor">#include &quot;dom.h&quot;</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include &quot;error.h&quot;</span>
<a name="l00015"></a>00015 
<a name="l00016"></a>00016 <span class="keyword">namespace </span>zen
<a name="l00017"></a>00017 {
<a name="l00023"></a>00023 
<a name="l00024"></a>00024 
<a name="l00030"></a>00030 std::string <a class="code" href="namespacezen.html#afaa4920e275078e6c8009fbdf58b57ee" title="Save XML document as a byte stream.">serialize</a>(<span class="keyword">const</span> XmlDoc&amp; doc,
<a name="l00031"></a>00031                       <span class="keyword">const</span> std::string&amp; lineBreak = <span class="stringliteral">&quot;\r\n&quot;</span>,
<a name="l00032"></a>00032                       <span class="keyword">const</span> std::string&amp; indent = <span class="stringliteral">&quot;    &quot;</span>); <span class="comment">//throw ()</span>
<a name="l00033"></a>00033 
<a name="l00035"></a><a class="code" href="structzen_1_1_xml_parsing_error.html">00035</a> <span class="keyword">struct </span><a class="code" href="structzen_1_1_xml_parsing_error.html" title="Exception thrown due to an XML parsing error.">XmlParsingError</a> : <span class="keyword">public</span> <a class="code" href="structzen_1_1_xml_error.html" title="Exception base class for zen::Xml.">XmlError</a>
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037     <a class="code" href="structzen_1_1_xml_parsing_error.html" title="Exception thrown due to an XML parsing error.">XmlParsingError</a>(<span class="keywordtype">size_t</span> rowNo, <span class="keywordtype">size_t</span> colNo) : <a class="code" href="structzen_1_1_xml_parsing_error.html#a3ed4cd1b5599df9b52500f620421496e" title="Input file row where the parsing error occured (zero-based)">row</a>(rowNo), <a class="code" href="structzen_1_1_xml_parsing_error.html#a4a37dc48883337499804a9dc791669fd" title="Input file column where the parsing error occured (zero-based)">col</a>(colNo) {}
<a name="l00039"></a><a class="code" href="structzen_1_1_xml_parsing_error.html#a3ed4cd1b5599df9b52500f620421496e">00039</a>     <span class="keywordtype">size_t</span> <a class="code" href="structzen_1_1_xml_parsing_error.html#a3ed4cd1b5599df9b52500f620421496e" title="Input file row where the parsing error occured (zero-based)">row</a>; <span class="comment">//beginning with 0</span>
<a name="l00041"></a><a class="code" href="structzen_1_1_xml_parsing_error.html#a4a37dc48883337499804a9dc791669fd">00041</a> <span class="comment"></span>    <span class="keywordtype">size_t</span> <a class="code" href="structzen_1_1_xml_parsing_error.html#a4a37dc48883337499804a9dc791669fd" title="Input file column where the parsing error occured (zero-based)">col</a>; <span class="comment">//</span>
<a name="l00042"></a>00042 };
<a name="l00043"></a>00043 
<a name="l00044"></a>00044 
<a name="l00046"></a>00046 
<a name="l00051"></a>00051 <span class="keywordtype">void</span> <a class="code" href="namespacezen.html#a6cf1ec0b57fc1ae9aa95761800e67ec7" title="Load XML document from a byte stream.">parse</a>(<span class="keyword">const</span> std::string&amp; stream, <a class="code" href="classzen_1_1_xml_doc.html" title="The complete XML document.">XmlDoc</a>&amp; doc); <span class="comment">//throw XmlParsingError</span>
<a name="l00052"></a>00052 
<a name="l00053"></a>00053 
<a name="l00054"></a>00054 
<a name="l00055"></a>00055 
<a name="l00056"></a>00056 
<a name="l00057"></a>00057 
<a name="l00058"></a>00058 
<a name="l00059"></a>00059 
<a name="l00060"></a>00060 
<a name="l00061"></a>00061 
<a name="l00062"></a>00062 
<a name="l00063"></a>00063 
<a name="l00064"></a>00064 
<a name="l00065"></a>00065 
<a name="l00066"></a>00066 
<a name="l00067"></a>00067 
<a name="l00068"></a>00068 
<a name="l00069"></a>00069 
<a name="l00070"></a>00070 
<a name="l00071"></a>00071 
<a name="l00072"></a>00072 <span class="comment">//---------------------------- implementation ----------------------------</span>
<a name="l00073"></a>00073 <span class="comment">//see: http://www.w3.org/TR/xml/</span>
<a name="l00074"></a>00074 
<a name="l00075"></a>00075 <span class="keyword">namespace </span>implementation
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077 <span class="keyword">inline</span>
<a name="l00078"></a>00078 std::pair&lt;char, char&gt; hexify(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> c)
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080     <span class="keyword">auto</span> hexifyDigit = [](<span class="keywordtype">int</span> num) -&gt; <span class="keywordtype">char</span> <span class="comment">//input [0, 15], output 0-9, A-F</span>
<a name="l00081"></a>00081     {
<a name="l00082"></a>00082         assert(0 &lt;= num&amp;&amp;  num &lt;= 15); <span class="comment">//guaranteed by design below!</span>
<a name="l00083"></a>00083         <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">char</span><span class="keyword">&gt;</span>(num &lt;= 9 ? <span class="comment">//no signed/unsigned char problem here!</span>
<a name="l00084"></a>00084         <span class="charliteral">&#39;0&#39;</span> + num :
<a name="l00085"></a>00085         <span class="charliteral">&#39;A&#39;</span> + (num - 10));
<a name="l00086"></a>00086     };
<a name="l00087"></a>00087     <span class="keywordflow">return</span> std::make_pair(hexifyDigit(c / 16), hexifyDigit(c % 16));
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089 
<a name="l00090"></a>00090 
<a name="l00091"></a>00091 <span class="keyword">inline</span>
<a name="l00092"></a>00092 <span class="keywordtype">char</span> unhexify(<span class="keywordtype">char</span> high, <span class="keywordtype">char</span> low)
<a name="l00093"></a>00093 {
<a name="l00094"></a>00094     <span class="keyword">auto</span> unhexifyDigit = [](<span class="keywordtype">char</span> hex) -&gt; <span class="keywordtype">int</span> <span class="comment">//input 0-9, a-f, A-F; output range: [0, 15]</span>
<a name="l00095"></a>00095     {
<a name="l00096"></a>00096         <span class="keywordflow">if</span> (<span class="charliteral">&#39;0&#39;</span> &lt;= hex &amp;&amp; hex &lt;= <span class="charliteral">&#39;9&#39;</span>) <span class="comment">//no signed/unsigned char problem here!</span>
<a name="l00097"></a>00097             <span class="keywordflow">return</span> hex - <span class="charliteral">&#39;0&#39;</span>;
<a name="l00098"></a>00098         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="charliteral">&#39;A&#39;</span> &lt;= hex &amp;&amp; hex &lt;= <span class="charliteral">&#39;F&#39;</span>)
<a name="l00099"></a>00099             <span class="keywordflow">return</span> (hex - <span class="charliteral">&#39;A&#39;</span>) + 10;
<a name="l00100"></a>00100         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="charliteral">&#39;a&#39;</span> &lt;= hex &amp;&amp; hex &lt;= <span class="charliteral">&#39;f&#39;</span>)
<a name="l00101"></a>00101             <span class="keywordflow">return</span> (hex - <span class="charliteral">&#39;a&#39;</span>) + 10;
<a name="l00102"></a>00102         assert(<span class="keyword">false</span>);
<a name="l00103"></a>00103         <span class="keywordflow">return</span> 0;
<a name="l00104"></a>00104     };
<a name="l00105"></a>00105     <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">&gt;</span>(16 * unhexifyDigit(high) + unhexifyDigit(low)); <span class="comment">//[!] convert to unsigned char first, then to char (which may be signed)</span>
<a name="l00106"></a>00106 };
<a name="l00107"></a>00107 
<a name="l00108"></a>00108 
<a name="l00109"></a>00109 <span class="keyword">template</span> &lt;<span class="keyword">class</span> Predicate&gt; <span class="keyword">inline</span>
<a name="l00110"></a>00110 std::string normalize(<span class="keyword">const</span> std::string&amp; str, Predicate pred) <span class="comment">//pred: unary function taking a char, return true if value shall be encoded as hex</span>
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112     std::string output;
<a name="l00113"></a>00113     std::for_each(str.begin(), str.end(),
<a name="l00114"></a>00114                   [&amp;](<span class="keywordtype">char</span> c)
<a name="l00115"></a>00115     {
<a name="l00116"></a>00116         <span class="keywordflow">if</span> (c == <span class="charliteral">&#39;&amp;&#39;</span>)      <span class="comment">//</span>
<a name="l00117"></a>00117             output += <span class="stringliteral">&quot;&amp;amp;&quot;</span>;
<a name="l00118"></a>00118         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (c == <span class="charliteral">&#39;&lt;&#39;</span>) <span class="comment">//normalization mandatory: http://www.w3.org/TR/xml/#syntax</span>
<a name="l00119"></a>00119             output += <span class="stringliteral">&quot;&amp;lt;&quot;</span>;
<a name="l00120"></a>00120         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (c == <span class="charliteral">&#39;&gt;&#39;</span>) <span class="comment">//</span>
<a name="l00121"></a>00121             output += <span class="stringliteral">&quot;&amp;gt;&quot;</span>;
<a name="l00122"></a>00122         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pred(c))
<a name="l00123"></a>00123         {
<a name="l00124"></a>00124             <span class="keywordflow">if</span> (c == <span class="charliteral">&#39;\&#39;&#39;</span>)
<a name="l00125"></a>00125                 output += <span class="stringliteral">&quot;&amp;apos;&quot;</span>;
<a name="l00126"></a>00126             <span class="keywordflow">else</span> <span class="keywordflow">if</span> (c == <span class="charliteral">&#39;\&quot;&#39;</span>)
<a name="l00127"></a>00127                 output += <span class="stringliteral">&quot;&amp;quot;&quot;</span>;
<a name="l00128"></a>00128             <span class="keywordflow">else</span>
<a name="l00129"></a>00129             {
<a name="l00130"></a>00130                 output += <span class="stringliteral">&quot;&amp;#x&quot;</span>;
<a name="l00131"></a>00131                 <span class="keyword">const</span> <span class="keyword">auto</span> hexDigits = hexify(c); <span class="comment">//hexify beats &quot;printNumber&lt;std::string&gt;(&quot;&amp;#x%02X;&quot;, c)&quot; by a nice factor of 3!</span>
<a name="l00132"></a>00132                 output += hexDigits.first;
<a name="l00133"></a>00133                 output += hexDigits.second;
<a name="l00134"></a>00134                 output += <span class="charliteral">&#39;;&#39;</span>;
<a name="l00135"></a>00135             }
<a name="l00136"></a>00136         }
<a name="l00137"></a>00137         <span class="keywordflow">else</span>
<a name="l00138"></a>00138             output += c;
<a name="l00139"></a>00139     });
<a name="l00140"></a>00140     <span class="keywordflow">return</span> output;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 
<a name="l00143"></a>00143 <span class="keyword">inline</span>
<a name="l00144"></a>00144 std::string normalizeName(<span class="keyword">const</span> std::string&amp; str)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146     <span class="keywordflow">return</span> normalize(str, [](<span class="keywordtype">char</span> c) { <span class="keywordflow">return</span> isWhiteSpace(c) || c == <span class="charliteral">&#39;=&#39;</span> || c == <span class="charliteral">&#39;/&#39;</span> || c == <span class="charliteral">&#39;\&#39;&#39;</span> || c == <span class="charliteral">&#39;\&quot;&#39;</span>; });
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 
<a name="l00149"></a>00149 <span class="keyword">inline</span>
<a name="l00150"></a>00150 std::string normalizeElementValue(<span class="keyword">const</span> std::string&amp; str)
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152     <span class="keywordflow">return</span> normalize(str, [](<span class="keywordtype">char</span> c) { <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">&gt;</span>(c) &lt; 32; });
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154 
<a name="l00155"></a>00155 <span class="keyword">inline</span>
<a name="l00156"></a>00156 std::string normalizeAttribValue(<span class="keyword">const</span> std::string&amp; str)
<a name="l00157"></a>00157 {
<a name="l00158"></a>00158     <span class="keywordflow">return</span> normalize(str, [](<span class="keywordtype">char</span> c) { <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">&gt;</span>(c) &lt; 32 || c == <span class="charliteral">&#39;\&#39;&#39;</span> || c == <span class="charliteral">&#39;\&quot;&#39;</span>; });
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160 
<a name="l00161"></a>00161 
<a name="l00162"></a>00162 <span class="keyword">template</span> &lt;<span class="keyword">class</span> CharIterator, <span class="keywordtype">size_t</span> N&gt; <span class="keyword">inline</span>
<a name="l00163"></a>00163 <span class="keywordtype">bool</span> checkEntity(CharIterator&amp; first, CharIterator last, <span class="keyword">const</span> <span class="keywordtype">char</span> (&amp;placeholder)[N])
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165     assert(placeholder[N - 1] == 0);
<a name="l00166"></a>00166     <span class="keyword">const</span> ptrdiff_t strLen = N - 1; <span class="comment">//don&#39;t count null-terminator</span>
<a name="l00167"></a>00167     <span class="keywordflow">if</span> (last - first &gt;= strLen &amp;&amp; std::equal(first, first + strLen, placeholder))
<a name="l00168"></a>00168     {
<a name="l00169"></a>00169         first += strLen - 1;
<a name="l00170"></a>00170         <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00171"></a>00171     }
<a name="l00172"></a>00172     <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174 
<a name="l00175"></a>00175 
<a name="l00176"></a>00176 <span class="keyword">namespace</span>
<a name="l00177"></a>00177 {
<a name="l00178"></a>00178 std::string denormalize(<span class="keyword">const</span> std::string&amp; str)
<a name="l00179"></a>00179 {
<a name="l00180"></a>00180     std::string output;
<a name="l00181"></a>00181     <span class="keywordflow">for</span> (<span class="keyword">auto</span> it = str.begin(); it != str.end(); ++it)
<a name="l00182"></a>00182     {
<a name="l00183"></a>00183         <span class="keyword">const</span> <span class="keywordtype">char</span> c = *it;
<a name="l00184"></a>00184 
<a name="l00185"></a>00185         <span class="keywordflow">if</span> (c == <span class="charliteral">&#39;&amp;&#39;</span>)
<a name="l00186"></a>00186         {
<a name="l00187"></a>00187             <span class="keywordflow">if</span> (checkEntity(it, str.end(), <span class="stringliteral">&quot;&amp;amp;&quot;</span>))
<a name="l00188"></a>00188                 output += <span class="charliteral">&#39;&amp;&#39;</span>;
<a name="l00189"></a>00189             <span class="keywordflow">else</span> <span class="keywordflow">if</span> (checkEntity(it, str.end(), <span class="stringliteral">&quot;&amp;lt;&quot;</span>))
<a name="l00190"></a>00190                 output += <span class="charliteral">&#39;&lt;&#39;</span>;
<a name="l00191"></a>00191             <span class="keywordflow">else</span> <span class="keywordflow">if</span> (checkEntity(it, str.end(), <span class="stringliteral">&quot;&amp;gt;&quot;</span>))
<a name="l00192"></a>00192                 output += <span class="charliteral">&#39;&gt;&#39;</span>;
<a name="l00193"></a>00193             <span class="keywordflow">else</span> <span class="keywordflow">if</span> (checkEntity(it, str.end(), <span class="stringliteral">&quot;&amp;apos;&quot;</span>))
<a name="l00194"></a>00194                 output += <span class="charliteral">&#39;\&#39;&#39;</span>;
<a name="l00195"></a>00195             <span class="keywordflow">else</span> <span class="keywordflow">if</span> (checkEntity(it, str.end(), <span class="stringliteral">&quot;&amp;quot;&quot;</span>))
<a name="l00196"></a>00196                 output += <span class="charliteral">&#39;\&quot;&#39;</span>;
<a name="l00197"></a>00197             <span class="keywordflow">else</span> <span class="keywordflow">if</span> (str.end() - it &gt;= 6 &amp;&amp;
<a name="l00198"></a>00198                      it[1] == <span class="charliteral">&#39;#&#39;</span> &amp;&amp;
<a name="l00199"></a>00199                      it[2] == <span class="charliteral">&#39;x&#39;</span> &amp;&amp;
<a name="l00200"></a>00200                      it[5] == <span class="charliteral">&#39;;&#39;</span>)
<a name="l00201"></a>00201             {
<a name="l00202"></a>00202                 output += unhexify(it[3], it[4]); <span class="comment">//unhexify beats &quot;::sscanf(&amp;it[3], &quot;%02X&quot;, &amp;tmp)&quot; by a factor of 3000 for ~250000 calls!!!</span>
<a name="l00203"></a>00203                 it += 5;
<a name="l00204"></a>00204             }
<a name="l00205"></a>00205             <span class="keywordflow">else</span>
<a name="l00206"></a>00206                 output += c; <span class="comment">//unexpected char!</span>
<a name="l00207"></a>00207         }
<a name="l00208"></a>00208         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (c == <span class="charliteral">&#39;\r&#39;</span>) <span class="comment">//map all end-of-line characters to \n http://www.w3.org/TR/xml/#sec-line-ends</span>
<a name="l00209"></a>00209         {
<a name="l00210"></a>00210             <span class="keyword">auto</span> itNext = it + 1;
<a name="l00211"></a>00211             <span class="keywordflow">if</span> (itNext != str.end() &amp;&amp; *itNext == <span class="charliteral">&#39;\n&#39;</span>)
<a name="l00212"></a>00212                 ++it;
<a name="l00213"></a>00213             output += <span class="charliteral">&#39;\n&#39;</span>;
<a name="l00214"></a>00214         }
<a name="l00215"></a>00215         <span class="keywordflow">else</span>
<a name="l00216"></a>00216             output += c;
<a name="l00217"></a>00217     };
<a name="l00218"></a>00218     <span class="keywordflow">return</span> output;
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220 
<a name="l00221"></a>00221 
<a name="l00222"></a>00222 <span class="keywordtype">void</span> <a class="code" href="namespacezen.html#afaa4920e275078e6c8009fbdf58b57ee" title="Save XML document as a byte stream.">serialize</a>(<span class="keyword">const</span> XmlElement&amp; element, std::string&amp; stream,
<a name="l00223"></a>00223                <span class="keyword">const</span> std::string&amp; lineBreak,
<a name="l00224"></a>00224                <span class="keyword">const</span> std::string&amp; indent,
<a name="l00225"></a>00225                <span class="keywordtype">size_t</span> indentLevel)
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227     <span class="keyword">const</span> std::string&amp; nameFmt = normalizeName(element.getNameAs&lt;std::string&gt;());
<a name="l00228"></a>00228 
<a name="l00229"></a>00229     <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; indentLevel; ++i)
<a name="l00230"></a>00230         stream += indent;
<a name="l00231"></a>00231 
<a name="l00232"></a>00232     stream += <span class="charliteral">&#39;&lt;&#39;</span> + nameFmt;
<a name="l00233"></a>00233 
<a name="l00234"></a>00234     <span class="keyword">auto</span> attr = element.getAttributes();
<a name="l00235"></a>00235     <span class="keywordflow">for</span> (<span class="keyword">auto</span> it = attr.first; it != attr.second; ++it)
<a name="l00236"></a>00236         stream += <span class="charliteral">&#39; &#39;</span> + normalizeName(it-&gt;first) + <span class="stringliteral">&quot;=\&quot;&quot;</span> + normalizeAttribValue(it-&gt;second) + <span class="charliteral">&#39;\&quot;&#39;</span>;
<a name="l00237"></a>00237 
<a name="l00238"></a>00238     <span class="comment">//no support for mixed-mode content</span>
<a name="l00239"></a>00239     <span class="keyword">auto</span> iterPair = element.getChildren();
<a name="l00240"></a>00240     <span class="keywordflow">if</span> (iterPair.first != iterPair.second) <span class="comment">//structured element</span>
<a name="l00241"></a>00241     {
<a name="l00242"></a>00242         stream += <span class="charliteral">&#39;&gt;&#39;</span> + lineBreak;
<a name="l00243"></a>00243 
<a name="l00244"></a>00244         std::for_each(iterPair.first, iterPair.second,
<a name="l00245"></a>00245         [&amp;](<span class="keyword">const</span> XmlElement &amp; el) { <a class="code" href="namespacezen.html#afaa4920e275078e6c8009fbdf58b57ee" title="Save XML document as a byte stream.">serialize</a>(el, stream, lineBreak, indent, indentLevel + 1); });
<a name="l00246"></a>00246 
<a name="l00247"></a>00247         <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; indentLevel; ++i)
<a name="l00248"></a>00248             stream += indent;
<a name="l00249"></a>00249         stream += <span class="stringliteral">&quot;&lt;/&quot;</span> + nameFmt + <span class="charliteral">&#39;&gt;&#39;</span> + lineBreak;
<a name="l00250"></a>00250     }
<a name="l00251"></a>00251     <span class="keywordflow">else</span>
<a name="l00252"></a>00252     {
<a name="l00253"></a>00253         std::string value;
<a name="l00254"></a>00254         element.getValue(value);
<a name="l00255"></a>00255 
<a name="l00256"></a>00256         <span class="keywordflow">if</span> (!value.empty()) <span class="comment">//value element</span>
<a name="l00257"></a>00257             stream += <span class="charliteral">&#39;&gt;&#39;</span> + normalizeElementValue(value) + <span class="stringliteral">&quot;&lt;/&quot;</span> + nameFmt + <span class="charliteral">&#39;&gt;&#39;</span> + lineBreak;
<a name="l00258"></a>00258         <span class="keywordflow">else</span> <span class="comment">//empty element</span>
<a name="l00259"></a>00259             stream += <span class="stringliteral">&quot;/&gt;&quot;</span> + lineBreak;
<a name="l00260"></a>00260     }
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262 
<a name="l00263"></a>00263 std::string <a class="code" href="namespacezen.html#afaa4920e275078e6c8009fbdf58b57ee" title="Save XML document as a byte stream.">serialize</a>(<span class="keyword">const</span> XmlDoc&amp; doc,
<a name="l00264"></a>00264                       <span class="keyword">const</span> std::string&amp; lineBreak,
<a name="l00265"></a>00265                       <span class="keyword">const</span> std::string&amp; indent)
<a name="l00266"></a>00266 {
<a name="l00267"></a>00267     std::string version = doc.getVersionAs&lt;std::string&gt;();
<a name="l00268"></a>00268     <span class="keywordflow">if</span> (!version.empty())
<a name="l00269"></a>00269         version = <span class="stringliteral">&quot; version=\&quot;&quot;</span> + normalizeAttribValue(version) + <span class="charliteral">&#39;\&quot;&#39;</span>;
<a name="l00270"></a>00270 
<a name="l00271"></a>00271     std::string encoding = doc.getEncodingAs&lt;std::string&gt;();
<a name="l00272"></a>00272     <span class="keywordflow">if</span> (!encoding.empty())
<a name="l00273"></a>00273         encoding = <span class="stringliteral">&quot; encoding=\&quot;&quot;</span> + normalizeAttribValue(encoding) + <span class="charliteral">&#39;\&quot;&#39;</span>;
<a name="l00274"></a>00274 
<a name="l00275"></a>00275     std::string standalone = doc.getStandaloneAs&lt;std::string&gt;();
<a name="l00276"></a>00276     <span class="keywordflow">if</span> (!standalone.empty())
<a name="l00277"></a>00277         standalone = <span class="stringliteral">&quot; standalone=\&quot;&quot;</span> + normalizeAttribValue(standalone) + <span class="charliteral">&#39;\&quot;&#39;</span>;
<a name="l00278"></a>00278 
<a name="l00279"></a>00279     std::string output = <span class="stringliteral">&quot;&lt;?xml&quot;</span> + version + encoding + standalone + <span class="stringliteral">&quot;?&gt;&quot;</span> + lineBreak;
<a name="l00280"></a>00280     <a class="code" href="namespacezen.html#afaa4920e275078e6c8009fbdf58b57ee" title="Save XML document as a byte stream.">serialize</a>(doc.root(), output, lineBreak, indent, 0);
<a name="l00281"></a>00281     <span class="keywordflow">return</span> output;
<a name="l00282"></a>00282 }
<a name="l00283"></a>00283 }
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285 
<a name="l00286"></a>00286 <span class="keyword">inline</span>
<a name="l00287"></a><a class="code" href="namespacezen.html#afaa4920e275078e6c8009fbdf58b57ee">00287</a> std::string <a class="code" href="namespacezen.html#afaa4920e275078e6c8009fbdf58b57ee" title="Save XML document as a byte stream.">serialize</a>(<span class="keyword">const</span> <a class="code" href="classzen_1_1_xml_doc.html" title="The complete XML document.">XmlDoc</a>&amp; doc,
<a name="l00288"></a>00288                       <span class="keyword">const</span> std::string&amp; lineBreak,
<a name="l00289"></a>00289                       <span class="keyword">const</span> std::string&amp; indent) { <span class="keywordflow">return</span> implementation::serialize(doc, lineBreak, indent); }
<a name="l00290"></a>00290 
<a name="l00291"></a>00291 <span class="comment">/*</span>
<a name="l00292"></a>00292 <span class="comment">Grammar for XML parser</span>
<a name="l00293"></a>00293 <span class="comment">-------------------------------</span>
<a name="l00294"></a>00294 <span class="comment">document-expression:</span>
<a name="l00295"></a>00295 <span class="comment">    &lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;yes&quot;?&gt;</span>
<a name="l00296"></a>00296 <span class="comment">    element-expression:</span>
<a name="l00297"></a>00297 <span class="comment"></span>
<a name="l00298"></a>00298 <span class="comment">element-expression:</span>
<a name="l00299"></a>00299 <span class="comment">    &lt;string attributes-expression/&gt;</span>
<a name="l00300"></a>00300 <span class="comment">    &lt;string attributes-expression&gt; pm-expression &lt;/string&gt;</span>
<a name="l00301"></a>00301 <span class="comment"></span>
<a name="l00302"></a>00302 <span class="comment">element-list-expression:</span>
<a name="l00303"></a>00303 <span class="comment">    &lt;empty&gt;</span>
<a name="l00304"></a>00304 <span class="comment">    element-expression element-list-expression</span>
<a name="l00305"></a>00305 <span class="comment"></span>
<a name="l00306"></a>00306 <span class="comment">attributes-expression:</span>
<a name="l00307"></a>00307 <span class="comment">    &lt;empty&gt;</span>
<a name="l00308"></a>00308 <span class="comment">    string=&quot;string&quot; attributes-expression</span>
<a name="l00309"></a>00309 <span class="comment"></span>
<a name="l00310"></a>00310 <span class="comment">pm-expression:</span>
<a name="l00311"></a>00311 <span class="comment">    string</span>
<a name="l00312"></a>00312 <span class="comment">    element-list-expression</span>
<a name="l00313"></a>00313 <span class="comment">*/</span>
<a name="l00314"></a>00314 
<a name="l00315"></a>00315 <span class="keyword">namespace </span>implementation
<a name="l00316"></a>00316 {
<a name="l00317"></a>00317 <span class="keyword">struct </span>Token
<a name="l00318"></a>00318 {
<a name="l00319"></a>00319     <span class="keyword">enum</span> Type
<a name="l00320"></a>00320     {
<a name="l00321"></a>00321         TK_LESS,
<a name="l00322"></a>00322         TK_GREATER,
<a name="l00323"></a>00323         TK_LESS_SLASH,
<a name="l00324"></a>00324         TK_SLASH_GREATER,
<a name="l00325"></a>00325         TK_EQUAL,
<a name="l00326"></a>00326         TK_QUOTE,
<a name="l00327"></a>00327         TK_DECL_BEGIN,
<a name="l00328"></a>00328         TK_DECL_END,
<a name="l00329"></a>00329         TK_NAME,
<a name="l00330"></a>00330         TK_END
<a name="l00331"></a>00331     };
<a name="l00332"></a>00332 
<a name="l00333"></a>00333     Token(Type t) : type(t) {}
<a name="l00334"></a>00334     Token(<span class="keyword">const</span> std::string&amp; txt) : type(TK_NAME), name(txt) {}
<a name="l00335"></a>00335 
<a name="l00336"></a>00336     Type type;
<a name="l00337"></a>00337     std::string name; <span class="comment">//filled if type == TK_NAME</span>
<a name="l00338"></a>00338 };
<a name="l00339"></a>00339 
<a name="l00340"></a>00340 <span class="keyword">class </span>Scanner
<a name="l00341"></a>00341 {
<a name="l00342"></a>00342 <span class="keyword">public</span>:
<a name="l00343"></a>00343     Scanner(<span class="keyword">const</span> std::string&amp; stream) : stream_(stream), pos(stream_.begin())
<a name="l00344"></a>00344     {
<a name="l00345"></a>00345         <span class="keywordflow">if</span> (zen::startsWith(stream_, BYTE_ORDER_MARK_UTF8))
<a name="l00346"></a>00346             pos += strLength(BYTE_ORDER_MARK_UTF8);
<a name="l00347"></a>00347 
<a name="l00348"></a>00348         tokens.push_back(std::make_pair(<span class="stringliteral">&quot;&lt;?xml&quot;</span>, Token::TK_DECL_BEGIN));
<a name="l00349"></a>00349         tokens.push_back(std::make_pair(<span class="stringliteral">&quot;?&gt;&quot;</span>,    Token::TK_DECL_END));
<a name="l00350"></a>00350         tokens.push_back(std::make_pair(<span class="stringliteral">&quot;&lt;/&quot;</span>, Token::TK_LESS_SLASH));
<a name="l00351"></a>00351         tokens.push_back(std::make_pair(<span class="stringliteral">&quot;/&gt;&quot;</span>, Token::TK_SLASH_GREATER));
<a name="l00352"></a>00352         tokens.push_back(std::make_pair(<span class="stringliteral">&quot;&lt;&quot;</span> , Token::TK_LESS)); <span class="comment">//evaluate after TK_DECL_BEGIN!</span>
<a name="l00353"></a>00353         tokens.push_back(std::make_pair(<span class="stringliteral">&quot;&gt;&quot;</span> , Token::TK_GREATER));
<a name="l00354"></a>00354         tokens.push_back(std::make_pair(<span class="stringliteral">&quot;=&quot;</span> , Token::TK_EQUAL));
<a name="l00355"></a>00355         tokens.push_back(std::make_pair(<span class="stringliteral">&quot;\&quot;&quot;</span>, Token::TK_QUOTE));
<a name="l00356"></a>00356         tokens.push_back(std::make_pair(<span class="stringliteral">&quot;\&#39;&quot;</span>, Token::TK_QUOTE));
<a name="l00357"></a>00357     }
<a name="l00358"></a>00358 
<a name="l00359"></a>00359     Token nextToken() <span class="comment">//throw XmlParsingError</span>
<a name="l00360"></a>00360     {
<a name="l00361"></a>00361         <span class="comment">//skip whitespace</span>
<a name="l00362"></a>00362         pos = std::find_if(pos, stream_.end(), [](<span class="keywordtype">char</span> c) { <span class="keywordflow">return</span> !zen::isWhiteSpace(c); });
<a name="l00363"></a>00363 
<a name="l00364"></a>00364         <span class="keywordflow">if</span> (pos == stream_.end())
<a name="l00365"></a>00365             <span class="keywordflow">return</span> Token::TK_END;
<a name="l00366"></a>00366 
<a name="l00367"></a>00367         <span class="keywordflow">for</span> (<span class="keyword">auto</span> it = tokens.begin(); it != tokens.end(); ++it)
<a name="l00368"></a>00368             <span class="keywordflow">if</span> (startsWith(pos, it-&gt;first))
<a name="l00369"></a>00369             {
<a name="l00370"></a>00370                 pos += it-&gt;first.size();
<a name="l00371"></a>00371                 <span class="keywordflow">return</span> it-&gt;second;
<a name="l00372"></a>00372             }
<a name="l00373"></a>00373 
<a name="l00374"></a>00374         <span class="keyword">auto</span> nameEnd = std::find_if(pos, stream_.end(), [](<span class="keywordtype">char</span> c)
<a name="l00375"></a>00375         {
<a name="l00376"></a>00376             <span class="keywordflow">return</span> c == <span class="charliteral">&#39;&lt;&#39;</span>  ||
<a name="l00377"></a>00377                    c == <span class="charliteral">&#39;&gt;&#39;</span>  ||
<a name="l00378"></a>00378                    c == <span class="charliteral">&#39;=&#39;</span>  ||
<a name="l00379"></a>00379                    c == <span class="charliteral">&#39;/&#39;</span>  ||
<a name="l00380"></a>00380                    c == <span class="charliteral">&#39;\&#39;&#39;</span> ||
<a name="l00381"></a>00381                    c == <span class="charliteral">&#39;\&quot;&#39;</span> ||
<a name="l00382"></a>00382                    zen::isWhiteSpace(c);
<a name="l00383"></a>00383         });
<a name="l00384"></a>00384 
<a name="l00385"></a>00385         <span class="keywordflow">if</span> (nameEnd != pos)
<a name="l00386"></a>00386         {
<a name="l00387"></a>00387             std::string name(&amp;*pos, nameEnd - pos);
<a name="l00388"></a>00388             pos = nameEnd;
<a name="l00389"></a>00389             <span class="keywordflow">return</span> implementation::denormalize(name);
<a name="l00390"></a>00390         }
<a name="l00391"></a>00391 
<a name="l00392"></a>00392         <span class="comment">//unknown token</span>
<a name="l00393"></a>00393         <span class="keywordflow">throw</span> XmlParsingError(posRow(), posCol());
<a name="l00394"></a>00394     }
<a name="l00395"></a>00395 
<a name="l00396"></a>00396     std::string extractElementValue()
<a name="l00397"></a>00397     {
<a name="l00398"></a>00398         <span class="keyword">auto</span> it = std::find_if(pos, stream_.end(), [](<span class="keywordtype">char</span> c)
<a name="l00399"></a>00399         {
<a name="l00400"></a>00400             <span class="keywordflow">return</span> c == <span class="charliteral">&#39;&lt;&#39;</span>  ||
<a name="l00401"></a>00401                    c == <span class="charliteral">&#39;&gt;&#39;</span>;
<a name="l00402"></a>00402         });
<a name="l00403"></a>00403         std::string output(pos, it);
<a name="l00404"></a>00404         pos = it;
<a name="l00405"></a>00405         <span class="keywordflow">return</span> implementation::denormalize(output);
<a name="l00406"></a>00406     }
<a name="l00407"></a>00407 
<a name="l00408"></a>00408     std::string extractAttributeValue()
<a name="l00409"></a>00409     {
<a name="l00410"></a>00410         <span class="keyword">auto</span> it = std::find_if(pos, stream_.end(), [](<span class="keywordtype">char</span> c)
<a name="l00411"></a>00411         {
<a name="l00412"></a>00412             <span class="keywordflow">return</span> c == <span class="charliteral">&#39;&lt;&#39;</span>  ||
<a name="l00413"></a>00413                    c == <span class="charliteral">&#39;&gt;&#39;</span>  ||
<a name="l00414"></a>00414                    c == <span class="charliteral">&#39;\&#39;&#39;</span> ||
<a name="l00415"></a>00415                    c == <span class="charliteral">&#39;\&quot;&#39;</span>;
<a name="l00416"></a>00416         });
<a name="l00417"></a>00417         std::string output(pos, it);
<a name="l00418"></a>00418         pos = it;
<a name="l00419"></a>00419         <span class="keywordflow">return</span> implementation::denormalize(output);
<a name="l00420"></a>00420     }
<a name="l00421"></a>00421 
<a name="l00422"></a>00422     <span class="keywordtype">size_t</span> posRow() const <span class="comment">//current row beginning with 0</span>
<a name="l00423"></a>00423     {
<a name="l00424"></a>00424         <span class="keyword">const</span> <span class="keywordtype">size_t</span> crSum = std::count(stream_.begin(), pos, <span class="charliteral">&#39;\r&#39;</span>); <span class="comment">//carriage returns</span>
<a name="l00425"></a>00425         <span class="keyword">const</span> <span class="keywordtype">size_t</span> nlSum = std::count(stream_.begin(), pos, <span class="charliteral">&#39;\n&#39;</span>); <span class="comment">//new lines</span>
<a name="l00426"></a>00426         assert(crSum == 0 || nlSum == 0 || crSum == nlSum);
<a name="l00427"></a>00427         <span class="keywordflow">return</span> std::max(crSum, nlSum); <span class="comment">//be compatible with Linux/Mac/Win</span>
<a name="l00428"></a>00428     }
<a name="l00429"></a>00429 
<a name="l00430"></a>00430     <span class="keywordtype">size_t</span> posCol() const <span class="comment">//current col beginning with 0</span>
<a name="l00431"></a>00431     {
<a name="l00432"></a>00432         <span class="comment">//seek beginning of line</span>
<a name="l00433"></a>00433         <span class="keywordflow">for</span> (<span class="keyword">auto</span> it = pos; it != stream_.begin(); )
<a name="l00434"></a>00434         {
<a name="l00435"></a>00435             --it;
<a name="l00436"></a>00436             <span class="keywordflow">if</span> (*it == <span class="charliteral">&#39;\r&#39;</span> || *it == <span class="charliteral">&#39;\n&#39;</span>)
<a name="l00437"></a>00437                 <span class="keywordflow">return</span> pos - it - 1;
<a name="l00438"></a>00438         }
<a name="l00439"></a>00439         <span class="keywordflow">return</span> pos - stream_.begin();
<a name="l00440"></a>00440     }
<a name="l00441"></a>00441 
<a name="l00442"></a>00442 <span class="keyword">private</span>:
<a name="l00443"></a>00443     Scanner(<span class="keyword">const</span> Scanner&amp;);
<a name="l00444"></a>00444     Scanner&amp; operator=(<span class="keyword">const</span> Scanner&amp;);
<a name="l00445"></a>00445 
<a name="l00446"></a>00446     <span class="keywordtype">bool</span> startsWith(std::string::const_iterator it, <span class="keyword">const</span> std::string&amp; prefix)<span class="keyword"> const</span>
<a name="l00447"></a>00447 <span class="keyword">    </span>{
<a name="l00448"></a>00448         <span class="keywordflow">if</span> (stream_.end() - it &lt; static_cast&lt;ptrdiff_t&gt;(prefix.size()))
<a name="l00449"></a>00449             <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00450"></a>00450         <span class="keywordflow">return</span> std::equal(prefix.begin(), prefix.end(), it);
<a name="l00451"></a>00451     }
<a name="l00452"></a>00452 
<a name="l00453"></a>00453     <span class="keyword">typedef</span> std::vector&lt;std::pair&lt;std::string, Token::Type&gt; &gt; TokenList;
<a name="l00454"></a>00454     TokenList tokens;
<a name="l00455"></a>00455 
<a name="l00456"></a>00456     <span class="keyword">const</span> std::string stream_;
<a name="l00457"></a>00457     std::string::const_iterator pos;
<a name="l00458"></a>00458 };
<a name="l00459"></a>00459 
<a name="l00460"></a>00460 
<a name="l00461"></a>00461 <span class="keyword">class </span>XmlParser
<a name="l00462"></a>00462 {
<a name="l00463"></a>00463 <span class="keyword">public</span>:
<a name="l00464"></a>00464     XmlParser(<span class="keyword">const</span> std::string&amp; stream) :
<a name="l00465"></a>00465         scn(stream),
<a name="l00466"></a>00466         tk(scn.nextToken()) {}
<a name="l00467"></a>00467 
<a name="l00468"></a>00468     <span class="keywordtype">void</span> <a class="code" href="namespacezen.html#a6cf1ec0b57fc1ae9aa95761800e67ec7" title="Load XML document from a byte stream.">parse</a>(XmlDoc&amp; doc) <span class="comment">//throw XmlParsingError</span>
<a name="l00469"></a>00469     {
<a name="l00470"></a>00470         <span class="comment">//declaration (optional)</span>
<a name="l00471"></a>00471         <span class="keywordflow">if</span> (token().type == Token::TK_DECL_BEGIN)
<a name="l00472"></a>00472         {
<a name="l00473"></a>00473             nextToken();
<a name="l00474"></a>00474 
<a name="l00475"></a>00475             <span class="keywordflow">while</span> (token().type == Token::TK_NAME)
<a name="l00476"></a>00476             {
<a name="l00477"></a>00477                 std::string attribName = token().name;
<a name="l00478"></a>00478                 nextToken();
<a name="l00479"></a>00479 
<a name="l00480"></a>00480                 consumeToken(Token::TK_EQUAL);
<a name="l00481"></a>00481                 expectToken(Token::TK_QUOTE);
<a name="l00482"></a>00482                 std::string attribValue = scn.extractAttributeValue();
<a name="l00483"></a>00483                 nextToken();
<a name="l00484"></a>00484 
<a name="l00485"></a>00485                 consumeToken(Token::TK_QUOTE);
<a name="l00486"></a>00486 
<a name="l00487"></a>00487                 <span class="keywordflow">if</span> (attribName == <span class="stringliteral">&quot;version&quot;</span>)
<a name="l00488"></a>00488                     doc.setVersion(attribValue);
<a name="l00489"></a>00489                 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (attribName == <span class="stringliteral">&quot;encoding&quot;</span>)
<a name="l00490"></a>00490                     doc.setEncoding(attribValue);
<a name="l00491"></a>00491                 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (attribName == <span class="stringliteral">&quot;standalone&quot;</span>)
<a name="l00492"></a>00492                     doc.setStandalone(attribValue);
<a name="l00493"></a>00493             }
<a name="l00494"></a>00494             consumeToken(Token::TK_DECL_END);
<a name="l00495"></a>00495         }
<a name="l00496"></a>00496 
<a name="l00497"></a>00497         XmlDoc dummy;
<a name="l00498"></a>00498         XmlElement&amp; elemTmp = dummy.root();
<a name="l00499"></a>00499         parseChildElements(elemTmp);
<a name="l00500"></a>00500 
<a name="l00501"></a>00501         <span class="keyword">auto</span> iterPair = elemTmp.getChildren();
<a name="l00502"></a>00502         <span class="keywordflow">if</span> (iterPair.first != iterPair.second)
<a name="l00503"></a>00503             doc.root().swap(*iterPair.first);
<a name="l00504"></a>00504 
<a name="l00505"></a>00505         expectToken(Token::TK_END);
<a name="l00506"></a>00506     };
<a name="l00507"></a>00507 
<a name="l00508"></a>00508 <span class="keyword">private</span>:
<a name="l00509"></a>00509     XmlParser(<span class="keyword">const</span> XmlParser&amp;);
<a name="l00510"></a>00510     XmlParser&amp; operator=(<span class="keyword">const</span> XmlParser&amp;);
<a name="l00511"></a>00511 
<a name="l00512"></a>00512     <span class="keywordtype">void</span> parseChildElements(XmlElement&amp; parent)
<a name="l00513"></a>00513     {
<a name="l00514"></a>00514         <span class="keywordflow">while</span> (token().type == Token::TK_LESS)
<a name="l00515"></a>00515         {
<a name="l00516"></a>00516             nextToken();
<a name="l00517"></a>00517 
<a name="l00518"></a>00518             expectToken(Token::TK_NAME);
<a name="l00519"></a>00519             std::string elementName = token().name;
<a name="l00520"></a>00520             nextToken();
<a name="l00521"></a>00521 
<a name="l00522"></a>00522             XmlElement&amp; newElement = parent.addChild(elementName);
<a name="l00523"></a>00523 
<a name="l00524"></a>00524             parseAttributes(newElement);
<a name="l00525"></a>00525 
<a name="l00526"></a>00526             <span class="keywordflow">if</span> (token().type == Token::TK_SLASH_GREATER) <span class="comment">//empty element</span>
<a name="l00527"></a>00527             {
<a name="l00528"></a>00528                 nextToken();
<a name="l00529"></a>00529                 <span class="keywordflow">continue</span>;
<a name="l00530"></a>00530             }
<a name="l00531"></a>00531 
<a name="l00532"></a>00532             expectToken(Token::TK_GREATER);
<a name="l00533"></a>00533             std::string elementValue = scn.extractElementValue();
<a name="l00534"></a>00534             nextToken();
<a name="l00535"></a>00535 
<a name="l00536"></a>00536             <span class="comment">//no support for mixed-mode content</span>
<a name="l00537"></a>00537             <span class="keywordflow">if</span> (token().type == Token::TK_LESS) <span class="comment">//structured element</span>
<a name="l00538"></a>00538                 parseChildElements(newElement);
<a name="l00539"></a>00539             <span class="keywordflow">else</span> <span class="comment">//value element</span>
<a name="l00540"></a>00540                 newElement.setValue(elementValue);
<a name="l00541"></a>00541 
<a name="l00542"></a>00542             consumeToken(Token::TK_LESS_SLASH);
<a name="l00543"></a>00543 
<a name="l00544"></a>00544             <span class="keywordflow">if</span> (token().type != Token::TK_NAME ||
<a name="l00545"></a>00545                 elementName != token().name)
<a name="l00546"></a>00546                 <span class="keywordflow">throw</span> XmlParsingError(scn.posRow(), scn.posCol());
<a name="l00547"></a>00547             nextToken();
<a name="l00548"></a>00548 
<a name="l00549"></a>00549             consumeToken(Token::TK_GREATER);
<a name="l00550"></a>00550         }
<a name="l00551"></a>00551     };
<a name="l00552"></a>00552 
<a name="l00553"></a>00553     <span class="keywordtype">void</span> parseAttributes(XmlElement&amp; element)
<a name="l00554"></a>00554     {
<a name="l00555"></a>00555         <span class="keywordflow">while</span> (token().type == Token::TK_NAME)
<a name="l00556"></a>00556         {
<a name="l00557"></a>00557             std::string attribName = token().name;
<a name="l00558"></a>00558             nextToken();
<a name="l00559"></a>00559 
<a name="l00560"></a>00560             consumeToken(Token::TK_EQUAL);
<a name="l00561"></a>00561             expectToken(Token::TK_QUOTE);
<a name="l00562"></a>00562             std::string attribValue = scn.extractAttributeValue();
<a name="l00563"></a>00563             nextToken();
<a name="l00564"></a>00564 
<a name="l00565"></a>00565             consumeToken(Token::TK_QUOTE);
<a name="l00566"></a>00566             element.setAttribute(attribName, attribValue);
<a name="l00567"></a>00567         }
<a name="l00568"></a>00568     }
<a name="l00569"></a>00569 
<a name="l00570"></a>00570     <span class="keyword">const</span> Token&amp; token()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> tk; }
<a name="l00571"></a>00571     <span class="keywordtype">void</span> nextToken() { tk = scn.nextToken(); }
<a name="l00572"></a>00572 
<a name="l00573"></a>00573     <span class="keywordtype">void</span> consumeToken(Token::Type t) <span class="comment">//throw XmlParsingError</span>
<a name="l00574"></a>00574     {
<a name="l00575"></a>00575         expectToken(t); <span class="comment">//throw XmlParsingError</span>
<a name="l00576"></a>00576         nextToken();
<a name="l00577"></a>00577     }
<a name="l00578"></a>00578 
<a name="l00579"></a>00579     <span class="keywordtype">void</span> expectToken(Token::Type t) <span class="comment">//throw XmlParsingError</span>
<a name="l00580"></a>00580     {
<a name="l00581"></a>00581         <span class="keywordflow">if</span> (token().type != t)
<a name="l00582"></a>00582             <span class="keywordflow">throw</span> XmlParsingError(scn.posRow(), scn.posCol());
<a name="l00583"></a>00583     }
<a name="l00584"></a>00584 
<a name="l00585"></a>00585     Scanner scn;
<a name="l00586"></a>00586     Token tk;
<a name="l00587"></a>00587 };
<a name="l00588"></a>00588 }
<a name="l00589"></a>00589 
<a name="l00590"></a>00590 <span class="keyword">inline</span>
<a name="l00591"></a><a class="code" href="namespacezen.html#a6cf1ec0b57fc1ae9aa95761800e67ec7">00591</a> <span class="keywordtype">void</span> <a class="code" href="namespacezen.html#a6cf1ec0b57fc1ae9aa95761800e67ec7" title="Load XML document from a byte stream.">parse</a>(<span class="keyword">const</span> std::string&amp; stream, <a class="code" href="classzen_1_1_xml_doc.html" title="The complete XML document.">XmlDoc</a>&amp; doc) <span class="comment">//throw XmlParsingError</span>
<a name="l00592"></a>00592 {
<a name="l00593"></a>00593     implementation::XmlParser(stream).parse(doc);  <span class="comment">//throw XmlParsingError</span>
<a name="l00594"></a>00594 }
<a name="l00595"></a>00595 }
<a name="l00596"></a>00596 
<a name="l00597"></a>00597 <span class="preprocessor">#endif //ZEN_XML_PARSER_HEADER_81248670213764583021432</span>
</pre></div></div><!-- contents -->


<hr class="footer"/><address class="footer"><small>
Generated by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.0
</small></address>

</body>
</html>
bgstack15