source: trunk/src/xml/sax/qxml.h@ 651

Last change on this file since 651 was 651, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.2 sources.
File size: 13.8 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation (qt-info@nokia.com)
6**
7** This file is part of the QtXml module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at qt-info@nokia.com.
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef QXML_H
43#define QXML_H
44
45#include <QtCore/qtextstream.h>
46#include <QtCore/qfile.h>
47#include <QtCore/qstring.h>
48#include <QtCore/qstringlist.h>
49#include <QtCore/qlist.h>
50#include <QtCore/qscopedpointer.h>
51
52QT_BEGIN_HEADER
53
54QT_BEGIN_NAMESPACE
55
56QT_MODULE(Xml)
57
58class QXmlNamespaceSupport;
59class QXmlAttributes;
60class QXmlContentHandler;
61class QXmlDefaultHandler;
62class QXmlDTDHandler;
63class QXmlEntityResolver;
64class QXmlErrorHandler;
65class QXmlLexicalHandler;
66class QXmlDeclHandler;
67class QXmlInputSource;
68class QXmlLocator;
69class QXmlNamespaceSupport;
70class QXmlParseException;
71
72class QXmlReader;
73class QXmlSimpleReader;
74
75class QXmlSimpleReaderPrivate;
76class QXmlNamespaceSupportPrivate;
77class QXmlAttributesPrivate;
78class QXmlInputSourcePrivate;
79class QXmlParseExceptionPrivate;
80class QXmlLocatorPrivate;
81class QXmlDefaultHandlerPrivate;
82
83
84//
85// SAX Namespace Support
86//
87
88class Q_XML_EXPORT QXmlNamespaceSupport
89{
90public:
91 QXmlNamespaceSupport();
92 ~QXmlNamespaceSupport();
93
94 void setPrefix(const QString&, const QString&);
95
96 QString prefix(const QString&) const;
97 QString uri(const QString&) const;
98 void splitName(const QString&, QString&, QString&) const;
99 void processName(const QString&, bool, QString&, QString&) const;
100 QStringList prefixes() const;
101 QStringList prefixes(const QString&) const;
102
103 void pushContext();
104 void popContext();
105 void reset();
106
107private:
108 QXmlNamespaceSupportPrivate *d;
109
110 friend class QXmlSimpleReaderPrivate;
111 Q_DISABLE_COPY(QXmlNamespaceSupport)
112};
113
114
115//
116// SAX Attributes
117//
118
119class Q_XML_EXPORT QXmlAttributes
120{
121public:
122 QXmlAttributes() {}
123 virtual ~QXmlAttributes() {}
124
125 int index(const QString& qName) const;
126 int index(const QLatin1String& qName) const;
127 int index(const QString& uri, const QString& localPart) const;
128 int length() const;
129 int count() const;
130 QString localName(int index) const;
131 QString qName(int index) const;
132 QString uri(int index) const;
133 QString type(int index) const;
134 QString type(const QString& qName) const;
135 QString type(const QString& uri, const QString& localName) const;
136 QString value(int index) const;
137 QString value(const QString& qName) const;
138 QString value(const QLatin1String& qName) const;
139 QString value(const QString& uri, const QString& localName) const;
140
141 void clear();
142 void append(const QString &qName, const QString &uri, const QString &localPart, const QString &value);
143
144private:
145 struct Attribute {
146 QString qname, uri, localname, value;
147 };
148 typedef QList<Attribute> AttributeList;
149 AttributeList attList;
150
151 QXmlAttributesPrivate *d;
152};
153
154//
155// SAX Input Source
156//
157
158class Q_XML_EXPORT QXmlInputSource
159{
160public:
161 QXmlInputSource();
162 QXmlInputSource(QIODevice *dev);
163 virtual ~QXmlInputSource();
164
165 virtual void setData(const QString& dat);
166 virtual void setData(const QByteArray& dat);
167 virtual void fetchData();
168 virtual QString data() const;
169 virtual QChar next();
170 virtual void reset();
171
172 static const ushort EndOfData;
173 static const ushort EndOfDocument;
174
175#ifdef QT3_SUPPORT
176 QT3_SUPPORT_CONSTRUCTOR QXmlInputSource(QFile& file);
177 QT3_SUPPORT_CONSTRUCTOR QXmlInputSource(QTextStream& stream);
178#endif
179
180protected:
181 virtual QString fromRawData(const QByteArray &data, bool beginning = false);
182
183private:
184 void init();
185 QXmlInputSourcePrivate *d;
186};
187
188//
189// SAX Exception Classes
190//
191
192class Q_XML_EXPORT QXmlParseException
193{
194public:
195 explicit QXmlParseException(const QString &name = QString(), int c = -1, int l = -1,
196 const QString &p = QString(), const QString &s = QString());
197 QXmlParseException(const QXmlParseException &other);
198 ~QXmlParseException();
199
200 int columnNumber() const;
201 int lineNumber() const;
202 QString publicId() const;
203 QString systemId() const;
204 QString message() const;
205
206private:
207 QScopedPointer<QXmlParseExceptionPrivate> d;
208};
209
210
211//
212// XML Reader
213//
214
215class Q_XML_EXPORT QXmlReader
216{
217public:
218 virtual ~QXmlReader() {}
219 virtual bool feature(const QString& name, bool *ok = 0) const = 0;
220 virtual void setFeature(const QString& name, bool value) = 0;
221 virtual bool hasFeature(const QString& name) const = 0;
222 virtual void* property(const QString& name, bool *ok = 0) const = 0;
223 virtual void setProperty(const QString& name, void* value) = 0;
224 virtual bool hasProperty(const QString& name) const = 0;
225 virtual void setEntityResolver(QXmlEntityResolver* handler) = 0;
226 virtual QXmlEntityResolver* entityResolver() const = 0;
227 virtual void setDTDHandler(QXmlDTDHandler* handler) = 0;
228 virtual QXmlDTDHandler* DTDHandler() const = 0;
229 virtual void setContentHandler(QXmlContentHandler* handler) = 0;
230 virtual QXmlContentHandler* contentHandler() const = 0;
231 virtual void setErrorHandler(QXmlErrorHandler* handler) = 0;
232 virtual QXmlErrorHandler* errorHandler() const = 0;
233 virtual void setLexicalHandler(QXmlLexicalHandler* handler) = 0;
234 virtual QXmlLexicalHandler* lexicalHandler() const = 0;
235 virtual void setDeclHandler(QXmlDeclHandler* handler) = 0;
236 virtual QXmlDeclHandler* declHandler() const = 0;
237 virtual bool parse(const QXmlInputSource& input) = 0;
238 virtual bool parse(const QXmlInputSource* input) = 0;
239};
240
241class Q_XML_EXPORT QXmlSimpleReader : public QXmlReader
242{
243public:
244 QXmlSimpleReader();
245 virtual ~QXmlSimpleReader();
246
247 bool feature(const QString& name, bool *ok = 0) const;
248 void setFeature(const QString& name, bool value);
249 bool hasFeature(const QString& name) const;
250
251 void* property(const QString& name, bool *ok = 0) const;
252 void setProperty(const QString& name, void* value);
253 bool hasProperty(const QString& name) const;
254
255 void setEntityResolver(QXmlEntityResolver* handler);
256 QXmlEntityResolver* entityResolver() const;
257 void setDTDHandler(QXmlDTDHandler* handler);
258 QXmlDTDHandler* DTDHandler() const;
259 void setContentHandler(QXmlContentHandler* handler);
260 QXmlContentHandler* contentHandler() const;
261 void setErrorHandler(QXmlErrorHandler* handler);
262 QXmlErrorHandler* errorHandler() const;
263 void setLexicalHandler(QXmlLexicalHandler* handler);
264 QXmlLexicalHandler* lexicalHandler() const;
265 void setDeclHandler(QXmlDeclHandler* handler);
266 QXmlDeclHandler* declHandler() const;
267
268 bool parse(const QXmlInputSource& input);
269 bool parse(const QXmlInputSource* input);
270 virtual bool parse(const QXmlInputSource* input, bool incremental);
271 virtual bool parseContinue();
272
273private:
274 Q_DISABLE_COPY(QXmlSimpleReader)
275 Q_DECLARE_PRIVATE(QXmlSimpleReader)
276 QScopedPointer<QXmlSimpleReaderPrivate> d_ptr;
277
278 friend class QXmlSimpleReaderLocator;
279};
280
281//
282// SAX Locator
283//
284
285class Q_XML_EXPORT QXmlLocator
286{
287public:
288 QXmlLocator();
289 virtual ~QXmlLocator();
290
291 virtual int columnNumber() const = 0;
292 virtual int lineNumber() const = 0;
293// QString getPublicId() const
294// QString getSystemId() const
295};
296
297//
298// SAX handler classes
299//
300
301class Q_XML_EXPORT QXmlContentHandler
302{
303public:
304 virtual ~QXmlContentHandler() {}
305 virtual void setDocumentLocator(QXmlLocator* locator) = 0;
306 virtual bool startDocument() = 0;
307 virtual bool endDocument() = 0;
308 virtual bool startPrefixMapping(const QString& prefix, const QString& uri) = 0;
309 virtual bool endPrefixMapping(const QString& prefix) = 0;
310 virtual bool startElement(const QString& namespaceURI, const QString& localName, const QString& qName, const QXmlAttributes& atts) = 0;
311 virtual bool endElement(const QString& namespaceURI, const QString& localName, const QString& qName) = 0;
312 virtual bool characters(const QString& ch) = 0;
313 virtual bool ignorableWhitespace(const QString& ch) = 0;
314 virtual bool processingInstruction(const QString& target, const QString& data) = 0;
315 virtual bool skippedEntity(const QString& name) = 0;
316 virtual QString errorString() const = 0;
317};
318
319class Q_XML_EXPORT QXmlErrorHandler
320{
321public:
322 virtual ~QXmlErrorHandler() {}
323 virtual bool warning(const QXmlParseException& exception) = 0;
324 virtual bool error(const QXmlParseException& exception) = 0;
325 virtual bool fatalError(const QXmlParseException& exception) = 0;
326 virtual QString errorString() const = 0;
327};
328
329class Q_XML_EXPORT QXmlDTDHandler
330{
331public:
332 virtual ~QXmlDTDHandler() {}
333 virtual bool notationDecl(const QString& name, const QString& publicId, const QString& systemId) = 0;
334 virtual bool unparsedEntityDecl(const QString& name, const QString& publicId, const QString& systemId, const QString& notationName) = 0;
335 virtual QString errorString() const = 0;
336};
337
338class Q_XML_EXPORT QXmlEntityResolver
339{
340public:
341 virtual ~QXmlEntityResolver() {}
342 virtual bool resolveEntity(const QString& publicId, const QString& systemId, QXmlInputSource*& ret) = 0;
343 virtual QString errorString() const = 0;
344};
345
346class Q_XML_EXPORT QXmlLexicalHandler
347{
348public:
349 virtual ~QXmlLexicalHandler() {}
350 virtual bool startDTD(const QString& name, const QString& publicId, const QString& systemId) = 0;
351 virtual bool endDTD() = 0;
352 virtual bool startEntity(const QString& name) = 0;
353 virtual bool endEntity(const QString& name) = 0;
354 virtual bool startCDATA() = 0;
355 virtual bool endCDATA() = 0;
356 virtual bool comment(const QString& ch) = 0;
357 virtual QString errorString() const = 0;
358};
359
360class Q_XML_EXPORT QXmlDeclHandler
361{
362public:
363 virtual ~QXmlDeclHandler() {}
364 virtual bool attributeDecl(const QString& eName, const QString& aName, const QString& type, const QString& valueDefault, const QString& value) = 0;
365 virtual bool internalEntityDecl(const QString& name, const QString& value) = 0;
366 virtual bool externalEntityDecl(const QString& name, const QString& publicId, const QString& systemId) = 0;
367 virtual QString errorString() const = 0;
368 // ### Qt 5: Conform to SAX by adding elementDecl
369};
370
371
372class Q_XML_EXPORT QXmlDefaultHandler : public QXmlContentHandler, public QXmlErrorHandler, public QXmlDTDHandler, public QXmlEntityResolver, public QXmlLexicalHandler, public QXmlDeclHandler
373{
374public:
375 QXmlDefaultHandler() { }
376 virtual ~QXmlDefaultHandler() { }
377
378 void setDocumentLocator(QXmlLocator* locator);
379 bool startDocument();
380 bool endDocument();
381 bool startPrefixMapping(const QString& prefix, const QString& uri);
382 bool endPrefixMapping(const QString& prefix);
383 bool startElement(const QString& namespaceURI, const QString& localName, const QString& qName, const QXmlAttributes& atts);
384 bool endElement(const QString& namespaceURI, const QString& localName, const QString& qName);
385 bool characters(const QString& ch);
386 bool ignorableWhitespace(const QString& ch);
387 bool processingInstruction(const QString& target, const QString& data);
388 bool skippedEntity(const QString& name);
389
390 bool warning(const QXmlParseException& exception);
391 bool error(const QXmlParseException& exception);
392 bool fatalError(const QXmlParseException& exception);
393
394 bool notationDecl(const QString& name, const QString& publicId, const QString& systemId);
395 bool unparsedEntityDecl(const QString& name, const QString& publicId, const QString& systemId, const QString& notationName);
396
397 bool resolveEntity(const QString& publicId, const QString& systemId, QXmlInputSource*& ret);
398
399 bool startDTD(const QString& name, const QString& publicId, const QString& systemId);
400 bool endDTD();
401 bool startEntity(const QString& name);
402 bool endEntity(const QString& name);
403 bool startCDATA();
404 bool endCDATA();
405 bool comment(const QString& ch);
406
407 bool attributeDecl(const QString& eName, const QString& aName, const QString& type, const QString& valueDefault, const QString& value);
408 bool internalEntityDecl(const QString& name, const QString& value);
409 bool externalEntityDecl(const QString& name, const QString& publicId, const QString& systemId);
410
411 QString errorString() const;
412
413private:
414 QXmlDefaultHandlerPrivate *d;
415 Q_DISABLE_COPY(QXmlDefaultHandler)
416};
417
418// inlines
419
420inline int QXmlAttributes::count() const
421{ return length(); }
422
423QT_END_NAMESPACE
424
425QT_END_HEADER
426
427#endif // QXML_H
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