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
|
/*
* Copyright (C) 2008 Apple 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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 SourceCode_h
#define SourceCode_h
#include "SourceProvider.h"
#include <wtf/RefPtr.h>
namespace JSC {
class SourceCode {
public:
SourceCode()
: m_provider(0)
, m_startChar(0)
, m_endChar(0)
, m_firstLine(0)
{
}
SourceCode(PassRefPtr<SourceProvider> provider, int firstLine = 1)
: m_provider(provider)
, m_startChar(0)
, m_endChar(m_provider->length())
, m_firstLine(std::max(firstLine, 1))
{
}
SourceCode(PassRefPtr<SourceProvider> provider, int start, int end, int firstLine)
: m_provider(provider)
, m_startChar(start)
, m_endChar(end)
, m_firstLine(std::max(firstLine, 1))
{
}
UString toString() const
{
if (!m_provider)
return UString();
return m_provider->getRange(m_startChar, m_endChar);
}
bool isNull() const { return !m_provider; }
SourceProvider* provider() const { return m_provider.get(); }
int firstLine() const { return m_firstLine; }
int startOffset() const { return m_startChar; }
int endOffset() const { return m_endChar; }
const UChar* data() const { return m_provider->data() + m_startChar; }
int length() const { return m_endChar - m_startChar; }
private:
RefPtr<SourceProvider> m_provider;
int m_startChar;
int m_endChar;
int m_firstLine;
};
inline SourceCode makeSource(const UString& source, const UString& url = UString(), int firstLine = 1)
{
return SourceCode(UStringSourceProvider::create(source, url), firstLine);
}
} // namespace JSC
#endif // SourceCode_h
|
