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
|
/*
This file is part of the KDE libraries
Copyright (C) 1997 Martin Jones (mjones@kde.org)
(C) 1997 Torben Weis (weis@kde.org)
(C) 1998 Waldo Bastian (bastian@kde.org)
(C) 1999 Lars Knoll (knoll@kde.org)
(C) 2003 Apple Computer, Inc.
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.
*/
//----------------------------------------------------------------------------
//
// KDE HTML Widget -- HTML Parser
#ifndef HTMLPARSER_H
#define HTMLPARSER_H
// 0 all
// 1 domtree + rendertree + styleForElement, no layouting
// 2 domtree only
#define SPEED_DEBUG 0
#ifdef SPEED_DEBUG
#include <QDateTime>
#endif
#include "dom/dom_string.h"
#include "xml/dom_nodeimpl.h"
#include "html/html_documentimpl.h"
#include "html/html_headimpl.h"
class KHTMLView;
class HTMLStackElem;
namespace DOM {
class HTMLDocumentImpl;
class DocumentImpl;
class NodeImpl;
class HTMLFormElementImpl;
class HTMLMapElementImpl;
class HTMLHeadElementImpl;
class DocumentFragmentImpl;
}
namespace khtml {
class Token;
class DoctypeToken;
/**
* The parser for html. It receives a stream of tokens from the HTMLTokenizer, and
* builds up the Document structure form it.
*/
class KHTMLParser
{
public:
KHTMLParser( KHTMLView *w, DOM::DocumentImpl *i );
KHTMLParser( DOM::DocumentFragmentImpl *frag, DOM::DocumentImpl *doc );
virtual ~KHTMLParser();
/**
* parses one token delivered by the tokenizer
*/
void parseToken(Token *_t);
/**
* parses a doctype token delivered by the tokenizer
*/
void parseDoctypeToken(DoctypeToken *_t);
/**
* resets the parser
*/
void reset();
bool skipMode() const { return (discard_until != 0); }
bool noSpaces() const { return (inSelect || !m_inline || !inBody); }
bool selectMode() const { return inSelect; }
DOM::HTMLDocumentImpl *doc() const { return static_cast<DOM::HTMLDocumentImpl *>(document); }
DOM::DocumentImpl *docPtr() const { return document; }
DOM::HTMLScriptElementImpl *currentScriptElement() const { return (current && current->id() == ID_SCRIPT) ? static_cast<DOM::HTMLScriptElementImpl*>(current) : 0;}
protected:
KHTMLView *HTMLWidget;
DOM::DocumentImpl *document;
/*
* generate an element from the token
*/
DOM::NodeImpl *getElement(Token *);
void processCloseTag(Token *);
bool insertNode(DOM::NodeImpl *n, bool flat = false);
/*
* The currently active element (the one new elements will be added to)
*/
void setCurrent( DOM::NodeImpl* newNode )
{
if ( newNode ) newNode->ref();
if ( current ) current->deref();
current = newNode;
}
private:
DOM::NodeImpl *current;
HTMLStackElem *blockStack;
void pushBlock( int _id, int _level);
void generateImpliedEndTags( int _id );
void popOptionalBlock( int _id );
void popBlock( int _id );
void popOneBlock(bool delBlock = true);
void popInlineBlocks();
bool isElementInScope( int _id );
bool isHeadingInScope();
void freeBlock( void);
void createHead();
bool isResidualStyleTag(int _id);
bool isAffectedByResidualStyle(int _id);
void handleResidualStyleCloseTagAcrossBlocks(HTMLStackElem* elem);
void reopenResidualStyleTags(HTMLStackElem* elem, DOM::NodeImpl* malformedTableParent);
ushort *forbiddenTag;
/*
* currently active form
*/
DOM::HTMLFormElementImpl *form;
/*
* current map
*/
DOM::HTMLMapElementImpl *map;
/*
* the head element. Needed for crappy html which defines <base> after </head>
*/
RefPtr<DOM::HTMLHeadElementImpl> head;
/*
* a possible <isindex> element in the head. Compatibility hack for
* html from the stone age
*/
DOM::NodeImpl *isindex;
DOM::NodeImpl *handleIsindex( Token *t );
/*
* inserts the stupid isIndex element.
*/
void startBody();
bool inBody;
bool haveContent;
bool haveBody;
bool haveFrameSet;
bool haveTitle;
bool m_inline;
bool end;
bool inSelect;
/*
* tells the parser to discard all tags, until it reaches the one specified
*/
int discard_until;
bool headLoaded;
int inStrayTableContent;
#if SPEED_DEBUG > 0
QTime qt;
#endif
};
} // namespace khtml
#endif // HTMLPARSER_H
|
