source: trunk/src/xml/sax/qxml.h@ 353

Last change on this file since 353 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 13.7 KB
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1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtXml module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** 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 are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
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
51QT_BEGIN_HEADER
52
53QT_BEGIN_NAMESPACE
54
55QT_MODULE(Xml)
56
57class QXmlNamespaceSupport;
58class QXmlAttributes;
59class QXmlContentHandler;
60class QXmlDefaultHandler;
61class QXmlDTDHandler;
62class QXmlEntityResolver;
63class QXmlErrorHandler;
64class QXmlLexicalHandler;
65class QXmlDeclHandler;
66class QXmlInputSource;
67class QXmlLocator;
68class QXmlNamespaceSupport;
69class QXmlParseException;
70
71class QXmlReader;
72class QXmlSimpleReader;
73
74class QXmlSimpleReaderPrivate;
75class QXmlNamespaceSupportPrivate;
76class QXmlAttributesPrivate;
77class QXmlInputSourcePrivate;
78class QXmlParseExceptionPrivate;
79class QXmlLocatorPrivate;
80class QXmlDefaultHandlerPrivate;
81
82
83//
84// SAX Namespace Support
85//
86
87class Q_XML_EXPORT QXmlNamespaceSupport
88{
89public:
90 QXmlNamespaceSupport();
91 ~QXmlNamespaceSupport();
92
93 void setPrefix(const QString&, const QString&);
94
95 QString prefix(const QString&) const;
96 QString uri(const QString&) const;
97 void splitName(const QString&, QString&, QString&) const;
98 void processName(const QString&, bool, QString&, QString&) const;
99 QStringList prefixes() const;
100 QStringList prefixes(const QString&) const;
101
102 void pushContext();
103 void popContext();
104 void reset();
105
106private:
107 QXmlNamespaceSupportPrivate *d;
108
109 friend class QXmlSimpleReaderPrivate;
110 Q_DISABLE_COPY(QXmlNamespaceSupport)
111};
112
113
114//
115// SAX Attributes
116//
117
118class Q_XML_EXPORT QXmlAttributes
119{
120public:
121 QXmlAttributes() {}
122 virtual ~QXmlAttributes() {}
123
124 int index(const QString& qName) const;
125 int index(const QLatin1String& qName) const;
126 int index(const QString& uri, const QString& localPart) const;
127 int length() const;
128 int count() const;
129 QString localName(int index) const;
130 QString qName(int index) const;
131 QString uri(int index) const;
132 QString type(int index) const;
133 QString type(const QString& qName) const;
134 QString type(const QString& uri, const QString& localName) const;
135 QString value(int index) const;
136 QString value(const QString& qName) const;
137 QString value(const QLatin1String& qName) const;
138 QString value(const QString& uri, const QString& localName) const;
139
140 void clear();
141 void append(const QString &qName, const QString &uri, const QString &localPart, const QString &value);
142
143private:
144 struct Attribute {
145 QString qname, uri, localname, value;
146 };
147 typedef QList<Attribute> AttributeList;
148 AttributeList attList;
149
150 QXmlAttributesPrivate *d;
151};
152
153//
154// SAX Input Source
155//
156
157class Q_XML_EXPORT QXmlInputSource
158{
159public:
160 QXmlInputSource();
161 QXmlInputSource(QIODevice *dev);
162 virtual ~QXmlInputSource();
163
164 virtual void setData(const QString& dat);
165 virtual void setData(const QByteArray& dat);
166 virtual void fetchData();
167 virtual QString data() const;
168 virtual QChar next();
169 virtual void reset();
170
171 static const ushort EndOfData;
172 static const ushort EndOfDocument;
173
174#ifdef QT3_SUPPORT
175 QT3_SUPPORT_CONSTRUCTOR QXmlInputSource(QFile& file);
176 QT3_SUPPORT_CONSTRUCTOR QXmlInputSource(QTextStream& stream);
177#endif
178
179protected:
180 virtual QString fromRawData(const QByteArray &data, bool beginning = false);
181
182private:
183 void init();
184 QXmlInputSourcePrivate *d;
185};
186
187//
188// SAX Exception Classes
189//
190
191class Q_XML_EXPORT QXmlParseException
192{
193public:
194 explicit QXmlParseException(const QString &name = QString(), int c = -1, int l = -1,
195 const QString &p = QString(), const QString &s = QString());
196 ~QXmlParseException();
197
198 int columnNumber() const;
199 int lineNumber() const;
200 QString publicId() const;
201 QString systemId() const;
202 QString message() const;
203
204private:
205 QXmlParseExceptionPrivate *d;
206};
207
208
209//
210// XML Reader
211//
212
213class Q_XML_EXPORT QXmlReader
214{
215public:
216 virtual ~QXmlReader() {}
217 virtual bool feature(const QString& name, bool *ok = 0) const = 0;
218 virtual void setFeature(const QString& name, bool value) = 0;
219 virtual bool hasFeature(const QString& name) const = 0;
220 virtual void* property(const QString& name, bool *ok = 0) const = 0;
221 virtual void setProperty(const QString& name, void* value) = 0;
222 virtual bool hasProperty(const QString& name) const = 0;
223 virtual void setEntityResolver(QXmlEntityResolver* handler) = 0;
224 virtual QXmlEntityResolver* entityResolver() const = 0;
225 virtual void setDTDHandler(QXmlDTDHandler* handler) = 0;
226 virtual QXmlDTDHandler* DTDHandler() const = 0;
227 virtual void setContentHandler(QXmlContentHandler* handler) = 0;
228 virtual QXmlContentHandler* contentHandler() const = 0;
229 virtual void setErrorHandler(QXmlErrorHandler* handler) = 0;
230 virtual QXmlErrorHandler* errorHandler() const = 0;
231 virtual void setLexicalHandler(QXmlLexicalHandler* handler) = 0;
232 virtual QXmlLexicalHandler* lexicalHandler() const = 0;
233 virtual void setDeclHandler(QXmlDeclHandler* handler) = 0;
234 virtual QXmlDeclHandler* declHandler() const = 0;
235 virtual bool parse(const QXmlInputSource& input) = 0;
236 virtual bool parse(const QXmlInputSource* input) = 0;
237};
238
239class Q_XML_EXPORT QXmlSimpleReader : public QXmlReader
240{
241public:
242 QXmlSimpleReader();
243 virtual ~QXmlSimpleReader();
244
245 bool feature(const QString& name, bool *ok = 0) const;
246 void setFeature(const QString& name, bool value);
247 bool hasFeature(const QString& name) const;
248
249 void* property(const QString& name, bool *ok = 0) const;
250 void setProperty(const QString& name, void* value);
251 bool hasProperty(const QString& name) const;
252
253 void setEntityResolver(QXmlEntityResolver* handler);
254 QXmlEntityResolver* entityResolver() const;
255 void setDTDHandler(QXmlDTDHandler* handler);
256 QXmlDTDHandler* DTDHandler() const;
257 void setContentHandler(QXmlContentHandler* handler);
258 QXmlContentHandler* contentHandler() const;
259 void setErrorHandler(QXmlErrorHandler* handler);
260 QXmlErrorHandler* errorHandler() const;
261 void setLexicalHandler(QXmlLexicalHandler* handler);
262 QXmlLexicalHandler* lexicalHandler() const;
263 void setDeclHandler(QXmlDeclHandler* handler);
264 QXmlDeclHandler* declHandler() const;
265
266 bool parse(const QXmlInputSource& input);
267 bool parse(const QXmlInputSource* input);
268 virtual bool parse(const QXmlInputSource* input, bool incremental);
269 virtual bool parseContinue();
270
271private:
272 Q_DISABLE_COPY(QXmlSimpleReader)
273 Q_DECLARE_PRIVATE(QXmlSimpleReader)
274 QXmlSimpleReaderPrivate* d_ptr;
275
276 friend class QXmlSimpleReaderLocator;
277};
278
279//
280// SAX Locator
281//
282
283class Q_XML_EXPORT QXmlLocator
284{
285public:
286 QXmlLocator();
287 virtual ~QXmlLocator();
288
289 virtual int columnNumber() const = 0;
290 virtual int lineNumber() const = 0;
291// QString getPublicId() const
292// QString getSystemId() const
293};
294
295//
296// SAX handler classes
297//
298
299class Q_XML_EXPORT QXmlContentHandler
300{
301public:
302 virtual ~QXmlContentHandler() {}
303 virtual void setDocumentLocator(QXmlLocator* locator) = 0;
304 virtual bool startDocument() = 0;
305 virtual bool endDocument() = 0;
306 virtual bool startPrefixMapping(const QString& prefix, const QString& uri) = 0;
307 virtual bool endPrefixMapping(const QString& prefix) = 0;
308 virtual bool startElement(const QString& namespaceURI, const QString& localName, const QString& qName, const QXmlAttributes& atts) = 0;
309 virtual bool endElement(const QString& namespaceURI, const QString& localName, const QString& qName) = 0;
310 virtual bool characters(const QString& ch) = 0;
311 virtual bool ignorableWhitespace(const QString& ch) = 0;
312 virtual bool processingInstruction(const QString& target, const QString& data) = 0;
313 virtual bool skippedEntity(const QString& name) = 0;
314 virtual QString errorString() const = 0;
315};
316
317class Q_XML_EXPORT QXmlErrorHandler
318{
319public:
320 virtual ~QXmlErrorHandler() {}
321 virtual bool warning(const QXmlParseException& exception) = 0;
322 virtual bool error(const QXmlParseException& exception) = 0;
323 virtual bool fatalError(const QXmlParseException& exception) = 0;
324 virtual QString errorString() const = 0;
325};
326
327class Q_XML_EXPORT QXmlDTDHandler
328{
329public:
330 virtual ~QXmlDTDHandler() {}
331 virtual bool notationDecl(const QString& name, const QString& publicId, const QString& systemId) = 0;
332 virtual bool unparsedEntityDecl(const QString& name, const QString& publicId, const QString& systemId, const QString& notationName) = 0;
333 virtual QString errorString() const = 0;
334};
335
336class Q_XML_EXPORT QXmlEntityResolver
337{
338public:
339 virtual ~QXmlEntityResolver() {}
340 virtual bool resolveEntity(const QString& publicId, const QString& systemId, QXmlInputSource*& ret) = 0;
341 virtual QString errorString() const = 0;
342};
343
344class Q_XML_EXPORT QXmlLexicalHandler
345{
346public:
347 virtual ~QXmlLexicalHandler() {}
348 virtual bool startDTD(const QString& name, const QString& publicId, const QString& systemId) = 0;
349 virtual bool endDTD() = 0;
350 virtual bool startEntity(const QString& name) = 0;
351 virtual bool endEntity(const QString& name) = 0;
352 virtual bool startCDATA() = 0;
353 virtual bool endCDATA() = 0;
354 virtual bool comment(const QString& ch) = 0;
355 virtual QString errorString() const = 0;
356};
357
358class Q_XML_EXPORT QXmlDeclHandler
359{
360public:
361 virtual ~QXmlDeclHandler() {}
362 virtual bool attributeDecl(const QString& eName, const QString& aName, const QString& type, const QString& valueDefault, const QString& value) = 0;
363 virtual bool internalEntityDecl(const QString& name, const QString& value) = 0;
364 virtual bool externalEntityDecl(const QString& name, const QString& publicId, const QString& systemId) = 0;
365 virtual QString errorString() const = 0;
366 // ### Qt 5: Conform to SAX by adding elementDecl
367};
368
369
370class Q_XML_EXPORT QXmlDefaultHandler : public QXmlContentHandler, public QXmlErrorHandler, public QXmlDTDHandler, public QXmlEntityResolver, public QXmlLexicalHandler, public QXmlDeclHandler
371{
372public:
373 QXmlDefaultHandler() { }
374 virtual ~QXmlDefaultHandler() { }
375
376 void setDocumentLocator(QXmlLocator* locator);
377 bool startDocument();
378 bool endDocument();
379 bool startPrefixMapping(const QString& prefix, const QString& uri);
380 bool endPrefixMapping(const QString& prefix);
381 bool startElement(const QString& namespaceURI, const QString& localName, const QString& qName, const QXmlAttributes& atts);
382 bool endElement(const QString& namespaceURI, const QString& localName, const QString& qName);
383 bool characters(const QString& ch);
384 bool ignorableWhitespace(const QString& ch);
385 bool processingInstruction(const QString& target, const QString& data);
386 bool skippedEntity(const QString& name);
387
388 bool warning(const QXmlParseException& exception);
389 bool error(const QXmlParseException& exception);
390 bool fatalError(const QXmlParseException& exception);
391
392 bool notationDecl(const QString& name, const QString& publicId, const QString& systemId);
393 bool unparsedEntityDecl(const QString& name, const QString& publicId, const QString& systemId, const QString& notationName);
394
395 bool resolveEntity(const QString& publicId, const QString& systemId, QXmlInputSource*& ret);
396
397 bool startDTD(const QString& name, const QString& publicId, const QString& systemId);
398 bool endDTD();
399 bool startEntity(const QString& name);
400 bool endEntity(const QString& name);
401 bool startCDATA();
402 bool endCDATA();
403 bool comment(const QString& ch);
404
405 bool attributeDecl(const QString& eName, const QString& aName, const QString& type, const QString& valueDefault, const QString& value);
406 bool internalEntityDecl(const QString& name, const QString& value);
407 bool externalEntityDecl(const QString& name, const QString& publicId, const QString& systemId);
408
409 QString errorString() const;
410
411private:
412 QXmlDefaultHandlerPrivate *d;
413 Q_DISABLE_COPY(QXmlDefaultHandler)
414};
415
416// inlines
417
418inline int QXmlAttributes::count() const
419{ return length(); }
420
421QT_END_NAMESPACE
422
423QT_END_HEADER
424
425#endif // QXML_H
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