1 | /* |
2 | * Copyright (C) 2008 Apple Inc. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * |
8 | * 1. Redistributions of source code must retain the above copyright |
9 | * notice, this list of conditions and the following disclaimer. |
10 | * 2. Redistributions in binary form must reproduce the above copyright |
11 | * notice, this list of conditions and the following disclaimer in the |
12 | * documentation and/or other materials provided with the distribution. |
13 | * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
14 | * its contributors may be used to endorse or promote products derived |
15 | * from this software without specific prior written permission. |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
18 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
20 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
22 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
23 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
24 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | |
29 | #ifndef SourceCode_h |
30 | #define SourceCode_h |
31 | |
32 | #include "SourceProvider.h" |
33 | #include <wtf/RefPtr.h> |
34 | |
35 | namespace JSC { |
36 | |
37 | class SourceCode { |
38 | public: |
39 | SourceCode() |
40 | : m_provider(0) |
41 | , m_startChar(0) |
42 | , m_endChar(0) |
43 | , m_firstLine(0) |
44 | { |
45 | } |
46 | |
47 | SourceCode(PassRefPtr<SourceProvider> provider, int firstLine = 1) |
48 | : m_provider(provider) |
49 | , m_startChar(0) |
50 | , m_endChar(m_provider->length()) |
51 | #ifdef QT_BUILD_SCRIPT_LIB |
52 | , m_firstLine(firstLine) |
53 | #else |
54 | , m_firstLine(std::max(firstLine, 1)) |
55 | #endif |
56 | { |
57 | } |
58 | |
59 | SourceCode(PassRefPtr<SourceProvider> provider, int start, int end, int firstLine) |
60 | : m_provider(provider) |
61 | , m_startChar(start) |
62 | , m_endChar(end) |
63 | #ifdef QT_BUILD_SCRIPT_LIB |
64 | , m_firstLine(firstLine) |
65 | #else |
66 | , m_firstLine(std::max(firstLine, 1)) |
67 | #endif |
68 | { |
69 | } |
70 | |
71 | UString toString() const |
72 | { |
73 | if (!m_provider) |
74 | return UString(); |
75 | return m_provider->getRange(start: m_startChar, end: m_endChar); |
76 | } |
77 | |
78 | bool isNull() const { return !m_provider; } |
79 | SourceProvider* provider() const { return m_provider.get(); } |
80 | int firstLine() const { return m_firstLine; } |
81 | int startOffset() const { return m_startChar; } |
82 | int endOffset() const { return m_endChar; } |
83 | const UChar* data() const { return m_provider->data() + m_startChar; } |
84 | int length() const { return m_endChar - m_startChar; } |
85 | |
86 | private: |
87 | RefPtr<SourceProvider> m_provider; |
88 | int m_startChar; |
89 | int m_endChar; |
90 | int m_firstLine; |
91 | }; |
92 | |
93 | inline SourceCode makeSource(const UString& source, const UString& url = UString(), int firstLine = 1) |
94 | { |
95 | return SourceCode(UStringSourceProvider::create(source, url), firstLine); |
96 | } |
97 | |
98 | } // namespace JSC |
99 | |
100 | #endif // SourceCode_h |
101 | |