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
|
/*
* Copyright (C) 2010 Google, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef HTML5Tokenizer_h
#define HTML5Tokenizer_h
#include "CachedResourceClient.h"
#include "HTML5ScriptRunnerHost.h"
#include "HTML5Token.h"
#include "SegmentedString.h"
#include "Tokenizer.h"
#include <wtf/OwnPtr.h>
namespace WebCore {
class HTML5Lexer;
class HTML5ScriptRunner;
class HTML5TreeBuilder;
class HTMLDocument;
class ScriptSourceCode;
// FIXME: The whole Tokenizer class system should be renamed "Parser"
// or "ParserController" as the job of this class is to drive parsing process
// but it does not itself Tokenize.
class HTML5Tokenizer : public Tokenizer, HTML5ScriptRunnerHost, CachedResourceClient {
public:
HTML5Tokenizer(HTMLDocument*, bool reportErrors);
virtual ~HTML5Tokenizer();
// Tokenizer
virtual void begin();
virtual void write(const SegmentedString&, bool appendData);
virtual void end();
virtual void finish();
virtual int executingScript() const;
virtual bool isWaitingForScripts() const;
virtual void executeScriptsWaitingForStylesheets();
// HTML5ScriptRunnerHost
virtual void watchForLoad(CachedResource*);
virtual void stopWatchingForLoad(CachedResource*);
virtual void executeScript(const ScriptSourceCode&);
// CachedResourceClient
virtual void notifyFinished(CachedResource*);
private:
void pumpLexer();
void resumeParsingAfterScriptExecution();
SegmentedString m_source;
// We hold m_token here because it might be partially complete.
HTML5Token m_token;
HTMLDocument* m_document;
OwnPtr<HTML5Lexer> m_lexer;
OwnPtr<HTML5ScriptRunner> m_scriptRunner;
OwnPtr<HTML5TreeBuilder> m_treeBuilder;
bool m_wasWaitingOnScriptsDuringFinish;
};
}
#endif
|
