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
|
/*
* This file is part of the DOM implementation for KDE.
*
* Copyright (C) 2000 Peter Kelly ([email protected])
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef _XML_Tokenizer_h_
#define _XML_Tokenizer_h_
#include <tqxml.h>
#include <tqptrlist.h>
#include <tqptrstack.h>
#include <tqvaluestack.h>
#include <tqobject.h>
#include "misc/loader_client.h"
#include "misc/stringit.h"
class TDEHTMLView;
namespace tdehtml {
class CachedObject;
class CachedScript;
}
namespace DOM {
class DocumentImpl;
class NodeImpl;
class HTMLScriptElementImpl;
class DocumentImpl;
class HTMLScriptElementImpl;
}
namespace tdehtml {
class XMLHandler : public TQXmlDefaultHandler
{
public:
XMLHandler(DOM::DocumentImpl *_doc, TDEHTMLView *_view);
virtual ~XMLHandler();
// return the error protocol if parsing failed
TQString errorProtocol();
// overloaded handler functions
bool startDocument();
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 startCDATA();
bool endCDATA();
bool characters(const TQString& ch);
bool comment(const TQString & ch);
bool processingInstruction(const TQString &target, const TQString &data);
// namespace handling, to workaround problem in QXML where some attributes
// do not get the namespace resolved properly
bool startPrefixMapping(const TQString& prefix, const TQString& uri);
bool endPrefixMapping(const TQString& prefix);
void fixUpNSURI(TQString& uri, const TQString& qname);
TQMap<TQString, TQValueStack<TQString> > namespaceInfo;
// from QXmlDeclHandler
bool attributeDecl(const TQString &eName, const TQString &aName, const TQString &type, const TQString &valueDefault, const TQString &value);
bool externalEntityDecl(const TQString &name, const TQString &publicId, const TQString &systemId);
bool internalEntityDecl(const TQString &name, const TQString &value);
// from QXmlDTDHandler
bool notationDecl(const TQString &name, const TQString &publicId, const TQString &systemId);
bool unparsedEntityDecl(const TQString &name, const TQString &publicId, const TQString &systemId, const TQString ¬ationName);
bool enterText();
void exitText();
TQString errorString();
bool fatalError( const TQXmlParseException& exception );
unsigned long errorLine;
unsigned long errorCol;
private:
void pushNode( DOM::NodeImpl *node );
DOM::NodeImpl *popNode();
DOM::NodeImpl *currentNode() const;
private:
TQString errorProt;
DOM::DocumentImpl *m_doc;
TDEHTMLView *m_view;
TQPtrStack<DOM::NodeImpl> m_nodes;
DOM::NodeImpl *m_rootNode;
enum State {
StateInit,
StateDocument,
StateQuote,
StateLine,
StateHeading,
StateP
};
State state;
};
class Tokenizer : public TQObject
{
Q_OBJECT
public:
virtual void begin() = 0;
// script output must be prepended, while new data
// received during executing a script must be appended, hence the
// extra bool to be able to distinguish between both cases. document.write()
// always uses false, while tdehtmlpart uses true
virtual void write( const TokenizerString &str, bool appendData) = 0;
virtual void end() = 0;
virtual void finish() = 0;
virtual void setOnHold(bool /*_onHold*/) {}
virtual bool isWaitingForScripts() const = 0;
virtual bool isExecutingScript() const = 0;
virtual void abort() {}
virtual void setAutoClose(bool b=true) = 0;
signals:
void finishedParsing();
};
class XMLIncrementalSource : public TQXmlInputSource
{
public:
XMLIncrementalSource();
virtual void fetchData();
virtual TQChar next();
virtual void setData( const TQString& str );
virtual void setData( const TQByteArray& data );
virtual TQString data();
void appendXML( const TQString& str );
void setFinished( bool );
private:
TQString m_data;
uint m_pos;
const TQChar *m_unicode;
bool m_finished;
};
class XMLTokenizer : public Tokenizer, public tdehtml::CachedObjectClient
{
public:
XMLTokenizer(DOM::DocumentImpl *, TDEHTMLView * = 0);
virtual ~XMLTokenizer();
virtual void begin();
virtual void write( const TokenizerString &str, bool );
virtual void end();
virtual void finish();
virtual void setAutoClose(bool b=true) { tqWarning("XMLTokenizer::setAutoClose: stub."); (void)b; }
// from CachedObjectClient
void notifyFinished(tdehtml::CachedObject *finishedObj);
virtual bool isWaitingForScripts() const;
virtual bool isExecutingScript() const { return false; }
protected:
DOM::DocumentImpl *m_doc;
TDEHTMLView *m_view;
void executeScripts();
void addScripts(DOM::NodeImpl *n);
TQPtrList<DOM::HTMLScriptElementImpl> m_scripts;
TQPtrListIterator<DOM::HTMLScriptElementImpl> *m_scriptsIt;
tdehtml::CachedScript *m_cachedScript;
XMLHandler m_handler;
TQXmlSimpleReader m_reader;
XMLIncrementalSource m_source;
bool m_noErrors;
};
} // end namespace
#endif
|
