summaryrefslogtreecommitdiffstats
path: root/src/xml/tqxml.h
blob: a7fb1d3c1670736df5fa095e26dc3ff07f209443 (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
/****************************************************************************
**
** Definition of TQXmlSimpleReader and related classes.
**
** Created : 000518
**
** Copyright (C) 1992-2008 Trolltech ASA.  All rights reserved.
**
** This file is part of the xml module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file.  Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/

#ifndef TQXML_H
#define TQXML_H

#ifndef QT_H
#include "tqtextstream.h"
#include "tqfile.h"
#include "tqstring.h"
#include "tqstringlist.h"
#include "tqvaluevector.h"
#endif // QT_H

#if !defined(TQT_MODULE_XML) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_XML )
#define TQM_EXPORT_XML
#else
#define TQM_EXPORT_XML TQ_EXPORT
#endif

#ifndef TQT_NO_XML

class TQXmlNamespaceSupport;
class TQXmlAttributes;
class TQXmlContentHandler;
class TQXmlDefaultHandler;
class TQXmlDTDHandler;
class TQXmlEntityResolver;
class TQXmlErrorHandler;
class TQXmlLexicalHandler;
class TQXmlDeclHandler;
class TQXmlInputSource;
class TQXmlLocator;
class TQXmlNamespaceSupport;
class TQXmlParseException;

class TQXmlReader;
class TQXmlSimpleReader;

class TQXmlSimpleReaderPrivate;
class TQXmlNamespaceSupportPrivate;
class TQXmlAttributesPrivate;
class TQXmlInputSourcePrivate;
class TQXmlParseExceptionPrivate;
class TQXmlLocatorPrivate;
class TQXmlDefaultHandlerPrivate;


//
// SAX Namespace Support
//

class TQM_EXPORT_XML TQXmlNamespaceSupport
{
public:
    TQXmlNamespaceSupport();
    ~TQXmlNamespaceSupport();

    void setPrefix( const TQString&, const TQString& );

    TQString prefix( const TQString& ) const;
    TQString uri( const TQString& ) const;
    void splitName( const TQString&, TQString&, TQString& ) const;
    void processName( const TQString&, bool, TQString&, TQString& ) const;
    TQStringList prefixes() const;
    TQStringList prefixes( const TQString& ) const;

    void pushContext();
    void popContext();
    void reset();

private:
    TQXmlNamespaceSupportPrivate *d;

    friend class TQXmlSimpleReader;
};


//
// SAX Attributes
//

class TQM_EXPORT_XML TQXmlAttributes
{
public:
    TQXmlAttributes() {}
    virtual ~TQXmlAttributes() {}

    int index( const TQString& qName ) const;
    int index( const TQString& uri, const TQString& localPart ) const;
    int length() const;
    int count() const;
    TQString localName( int index ) const;
    TQString qName( int index ) const;
    TQString uri( int index ) const;
    TQString type( int index ) const;
    TQString type( const TQString& qName ) const;
    TQString type( const TQString& uri, const TQString& localName ) const;
    TQString value( int index ) const;
    TQString value( const TQString& qName ) const;
    TQString value( const TQString& uri, const TQString& localName ) const;

    void clear();
    void append( const TQString &qName, const TQString &uri, const TQString &localPart, const TQString &value );

private:
    TQStringList qnameList;
    TQStringList uriList;
    TQStringList localnameList;
    TQStringList valueList;

    TQXmlAttributesPrivate *d;
};

//
// SAX Input Source
//

class TQM_EXPORT_XML TQXmlInputSource
{
public:
    TQXmlInputSource();
    TQXmlInputSource( TQIODevice *dev );
    TQXmlInputSource( TQFile& file ); // obsolete
    TQXmlInputSource( TQTextStream& stream ); // obsolete
    virtual ~TQXmlInputSource();

    virtual void setData( const TQString& dat );
    virtual void setData( const TQByteArray& dat );
    virtual void fetchData();
    virtual TQString data();
    virtual TQChar next();
    virtual void reset();

    static const TQChar EndOfData;
    static const TQChar EndOfDocument;

protected:
    virtual TQString fromRawData( const TQByteArray &data, bool beginning = FALSE );

private:
    void init();

    TQIODevice *inputDevice;
    TQTextStream *inputStream;

    TQString str;
    const TQChar *unicode;
    int pos;
    int length;
    bool nextReturnedEndOfData;
    TQTextDecoder *encMapper;

    TQXmlInputSourcePrivate *d;
};

//
// SAX Exception Classes
//

class TQM_EXPORT_XML TQXmlParseException
{
public:
    TQXmlParseException( const TQString& name="", int c=-1, int l=-1, const TQString& p="", const TQString& s="" )
	: msg( name ), column( c ), line( l ), pub( p ), sys( s )
    { }

    int columnNumber() const;
    int lineNumber() const;
    TQString publicId() const;
    TQString systemId() const;
    TQString message() const;

private:
    TQString msg;
    int column;
    int line;
    TQString pub;
    TQString sys;

    TQXmlParseExceptionPrivate *d;
};


//
// XML Reader
//

class TQM_EXPORT_XML TQXmlReader
{
public:
    virtual bool feature( const TQString& name, bool *ok = 0 ) const = 0;
    virtual void setFeature( const TQString& name, bool value ) = 0;
    virtual bool hasFeature( const TQString& name ) const = 0;
    virtual void* property( const TQString& name, bool *ok = 0 ) const = 0;
    virtual void setProperty( const TQString& name, void* value ) = 0;
    virtual bool hasProperty( const TQString& name ) const = 0;
    virtual void setEntityResolver( TQXmlEntityResolver* handler ) = 0;
    virtual TQXmlEntityResolver* entityResolver() const = 0;
    virtual void setDTDHandler( TQXmlDTDHandler* handler ) = 0;
    virtual TQXmlDTDHandler* DTDHandler() const = 0;
    virtual void setContentHandler( TQXmlContentHandler* handler ) = 0;
    virtual TQXmlContentHandler* contentHandler() const = 0;
    virtual void setErrorHandler( TQXmlErrorHandler* handler ) = 0;
    virtual TQXmlErrorHandler* errorHandler() const = 0;
    virtual void setLexicalHandler( TQXmlLexicalHandler* handler ) = 0;
    virtual TQXmlLexicalHandler* lexicalHandler() const = 0;
    virtual void setDeclHandler( TQXmlDeclHandler* handler ) = 0;
    virtual TQXmlDeclHandler* declHandler() const = 0;
    virtual bool parse( const TQXmlInputSource& input ) = 0;
    virtual bool parse( const TQXmlInputSource* input ) = 0;
};

class TQM_EXPORT_XML TQXmlSimpleReader : public TQXmlReader
{
public:
    TQXmlSimpleReader();
    virtual ~TQXmlSimpleReader();

    bool feature( const TQString& name, bool *ok = 0 ) const;
    void setFeature( const TQString& name, bool value );
    bool hasFeature( const TQString& name ) const;

    void* property( const TQString& name, bool *ok = 0 ) const;
    void setProperty( const TQString& name, void* value );
    bool hasProperty( const TQString& name ) const;

    void setEntityResolver( TQXmlEntityResolver* handler );
    TQXmlEntityResolver* entityResolver() const;
    void setDTDHandler( TQXmlDTDHandler* handler );
    TQXmlDTDHandler* DTDHandler() const;
    void setContentHandler( TQXmlContentHandler* handler );
    TQXmlContentHandler* contentHandler() const;
    void setErrorHandler( TQXmlErrorHandler* handler );
    TQXmlErrorHandler* errorHandler() const;
    void setLexicalHandler( TQXmlLexicalHandler* handler );
    TQXmlLexicalHandler* lexicalHandler() const;
    void setDeclHandler( TQXmlDeclHandler* handler );
    TQXmlDeclHandler* declHandler() const;

    bool parse( const TQXmlInputSource& input );
    bool parse( const TQXmlInputSource* input );
    virtual bool parse( const TQXmlInputSource* input, bool incremental );
    virtual bool parseContinue();

private:
    // variables
    TQXmlContentHandler *contentHnd;
    TQXmlErrorHandler   *errorHnd;
    TQXmlDTDHandler     *dtdHnd;
    TQXmlEntityResolver *entityRes;
    TQXmlLexicalHandler *lexicalHnd;
    TQXmlDeclHandler    *declHnd;

    TQXmlInputSource *inputSource;

    TQChar c; // the character at reading position
    int   lineNr; // number of line
    int   columnNr; // position in line

    int     nameArrayPos;
    TQChar   nameArray[256]; // only used for names
    TQString nameValue; // only used for names
    int     refArrayPos;
    TQChar   refArray[256]; // only used for references
    TQString refValue; // only used for references
    int     stringArrayPos;
    TQChar   stringArray[256]; // used for any other strings that are parsed
    TQString stringValue; // used for any other strings that are parsed

    TQXmlSimpleReaderPrivate* d;

    // The limit to the amount of times the DTD parsing functions can be called
    // for the DTD currently being parsed.
    static const uint dtdRecursionLimit = 2U;
    // The maximum amount of characters an entity value may contain, after expansion.
    static const uint entityCharacterLimit = 4096U;

    const TQString &string();
    void stringClear();
    inline void stringAddC() { stringAddC(c); }
    void stringAddC(const TQChar&);
    const TQString& name();
    void nameClear();
    inline void nameAddC() { nameAddC(c); }
    void nameAddC(const TQChar&);
    const TQString& ref();
    void refClear();
    inline void refAddC() { refAddC(c); }
    void refAddC(const TQChar&);

    // used by parseReference() and parsePEReference()
    enum EntityRecognitionContext { InContent, InAttributeValue, InEntityValue, InDTD };

    // private functions
    bool eat_ws();
    bool next_eat_ws();

    void next();
    bool atEnd();

    void init( const TQXmlInputSource* i );
    void initData();

    bool entityExist( const TQString& ) const;

    bool parseBeginOrContinue( int state, bool incremental );

    bool parseProlog();
    bool parseElement();
    bool processElementEmptyTag();
    bool processElementETagBegin2();
    bool processElementAttribute();
    bool parseMisc();
    bool parseContent();

    bool parsePI();
    bool parseDoctype();
    bool parseComment();

    bool parseName();
    bool parseNmtoken();
    bool parseAttribute();
    bool parseReference();
    bool processReference();

    bool parseExternalID();
    bool parsePEReference();
    bool parseMarkupdecl();
    bool parseAttlistDecl();
    bool parseAttType();
    bool parseAttValue();
    bool parseElementDecl();
    bool parseNotationDecl();
    bool parseChoiceSeq();
    bool parseEntityDecl();
    bool parseEntityValue();

    bool parseString();

    bool insertXmlRef( const TQString&, const TQString&, bool );

    bool reportEndEntities();
    void reportParseError( const TQString& error );

    typedef bool (TQXmlSimpleReader::*ParseFunction) ();
    void unexpectedEof( ParseFunction where, int state );
    void parseFailed( ParseFunction where, int state );
    void pushParseState( ParseFunction function, int state );
    bool isExpandedEntityValueTooLarge(TQString *errorMessage);

    void setUndefEntityInAttrHack(bool b);

    friend class TQXmlSimpleReaderPrivate;
    friend class TQXmlSimpleReaderLocator;
    friend class TQDomDocumentPrivate;
};

//
// SAX Locator
//

class TQM_EXPORT_XML TQXmlLocator
{
public:
    TQXmlLocator();
    virtual ~TQXmlLocator();

    virtual int columnNumber() = 0;
    virtual int lineNumber() = 0;
//    TQString getPublicId()
//    TQString getSystemId()
};

//
// SAX handler classes
//

class TQM_EXPORT_XML TQXmlContentHandler
{
public:
    virtual void setDocumentLocator( TQXmlLocator* locator ) = 0;
    virtual bool startDocument() = 0;
    virtual bool endDocument() = 0;
    virtual bool startPrefixMapping( const TQString& prefix, const TQString& uri ) = 0;
    virtual bool endPrefixMapping( const TQString& prefix ) = 0;
    virtual bool startElement( const TQString& namespaceURI, const TQString& localName, const TQString& qName, const TQXmlAttributes& atts ) = 0;
    virtual bool endElement( const TQString& namespaceURI, const TQString& localName, const TQString& qName ) = 0;
    virtual bool characters( const TQString& ch ) = 0;
    virtual bool ignorableWhitespace( const TQString& ch ) = 0;
    virtual bool processingInstruction( const TQString& target, const TQString& data ) = 0;
    virtual bool skippedEntity( const TQString& name ) = 0;
    virtual TQString errorString() = 0;
};

class TQM_EXPORT_XML TQXmlErrorHandler
{
public:
    virtual bool warning( const TQXmlParseException& exception ) = 0;
    virtual bool error( const TQXmlParseException& exception ) = 0;
    virtual bool fatalError( const TQXmlParseException& exception ) = 0;
    virtual TQString errorString() = 0;
};

class TQM_EXPORT_XML TQXmlDTDHandler
{
public:
    virtual bool notationDecl( const TQString& name, const TQString& publicId, const TQString& systemId ) = 0;
    virtual bool unparsedEntityDecl( const TQString& name, const TQString& publicId, const TQString& systemId, const TQString& notationName ) = 0;
    virtual TQString errorString() = 0;
};

class TQM_EXPORT_XML TQXmlEntityResolver
{
public:
    virtual bool resolveEntity( const TQString& publicId, const TQString& systemId, TQXmlInputSource*& ret ) = 0;
    virtual TQString errorString() = 0;
};

class TQM_EXPORT_XML TQXmlLexicalHandler
{
public:
    virtual bool startDTD( const TQString& name, const TQString& publicId, const TQString& systemId ) = 0;
    virtual bool endDTD() = 0;
    virtual bool startEntity( const TQString& name ) = 0;
    virtual bool endEntity( const TQString& name ) = 0;
    virtual bool startCDATA() = 0;
    virtual bool endCDATA() = 0;
    virtual bool comment( const TQString& ch ) = 0;
    virtual TQString errorString() = 0;
};

class TQM_EXPORT_XML TQXmlDeclHandler
{
public:
    virtual bool attributeDecl( const TQString& eName, const TQString& aName, const TQString& type, const TQString& valueDefault, const TQString& value ) = 0;
    virtual bool internalEntityDecl( const TQString& name, const TQString& value ) = 0;
    virtual bool externalEntityDecl( const TQString& name, const TQString& publicId, const TQString& systemId ) = 0;
    virtual TQString errorString() = 0;
};


class TQM_EXPORT_XML TQXmlDefaultHandler : public TQXmlContentHandler, public TQXmlErrorHandler, public TQXmlDTDHandler, public TQXmlEntityResolver, public TQXmlLexicalHandler, public TQXmlDeclHandler
{
public:
    TQXmlDefaultHandler() { }
    virtual ~TQXmlDefaultHandler() { }

    void setDocumentLocator( TQXmlLocator* locator );
    bool startDocument();
    bool endDocument();
    bool startPrefixMapping( const TQString& prefix, const TQString& uri );
    bool endPrefixMapping( const TQString& prefix );
    bool startElement( const TQString& namespaceURI, const TQString& localName, const TQString& qName, const TQXmlAttributes& atts );
    bool endElement( const TQString& namespaceURI, const TQString& localName, const TQString& qName );
    bool characters( const TQString& ch );
    bool ignorableWhitespace( const TQString& ch );
    bool processingInstruction( const TQString& target, const TQString& data );
    bool skippedEntity( const TQString& name );

    bool warning( const TQXmlParseException& exception );
    bool error( const TQXmlParseException& exception );
    bool fatalError( const TQXmlParseException& exception );

    bool notationDecl( const TQString& name, const TQString& publicId, const TQString& systemId );
    bool unparsedEntityDecl( const TQString& name, const TQString& publicId, const TQString& systemId, const TQString& notationName );

    bool resolveEntity( const TQString& publicId, const TQString& systemId, TQXmlInputSource*& ret );

    bool startDTD( const TQString& name, const TQString& publicId, const TQString& systemId );
    bool endDTD();
    bool startEntity( const TQString& name );
    bool endEntity( const TQString& name );
    bool startCDATA();
    bool endCDATA();
    bool comment( const TQString& ch );

    bool attributeDecl( const TQString& eName, const TQString& aName, const TQString& type, const TQString& valueDefault, const TQString& value );
    bool internalEntityDecl( const TQString& name, const TQString& value );
    bool externalEntityDecl( const TQString& name, const TQString& publicId, const TQString& systemId );

    TQString errorString();

private:
    TQXmlDefaultHandlerPrivate *d;
};


//
// inlines
//

inline bool TQXmlSimpleReader::atEnd()
{ return (c.unicode()|0x0001) == 0xffff; }
inline int TQXmlAttributes::count() const
{ return length(); }


#endif //TQT_NO_XML

#endif