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1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/inspector/search-util.h" | 5 #include "src/inspector/search-util.h" |
6 | 6 |
7 #include "src/inspector/protocol/Protocol.h" | 7 #include "src/inspector/protocol/Protocol.h" |
8 #include "src/inspector/v8-inspector-impl.h" | 8 #include "src/inspector/v8-inspector-impl.h" |
9 #include "src/inspector/v8-inspector-session-impl.h" | 9 #include "src/inspector/v8-inspector-session-impl.h" |
10 #include "src/inspector/v8-regex.h" | 10 #include "src/inspector/v8-regex.h" |
11 | 11 |
12 namespace v8_inspector { | 12 namespace v8_inspector { |
13 | 13 |
14 namespace { | 14 namespace { |
15 | 15 |
16 String16 findMagicComment(const String16& content, const String16& name, | 16 String16 findMagicComment(const String16& content, const String16& name, |
17 bool multiline) { | 17 bool multiline) { |
18 DCHECK(name.find("=") == String16::kNotFound); | 18 DCHECK(name.find("=") == String16::kNotFound); |
19 unsigned length = content.length(); | 19 size_t length = content.length(); |
20 unsigned nameLength = name.length(); | 20 size_t nameLength = name.length(); |
21 | 21 |
22 size_t pos = length; | 22 size_t pos = length; |
23 size_t equalSignPos = 0; | 23 size_t equalSignPos = 0; |
24 size_t closingCommentPos = 0; | 24 size_t closingCommentPos = 0; |
25 while (true) { | 25 while (true) { |
26 pos = content.reverseFind(name, pos); | 26 pos = content.reverseFind(name, pos); |
27 if (pos == String16::kNotFound) return String16(); | 27 if (pos == String16::kNotFound) return String16(); |
28 | 28 |
29 // Check for a /\/[\/*][@#][ \t]/ regexp (length of 4) before found name. | 29 // Check for a /\/[\/*][@#][ \t]/ regexp (length of 4) before found name. |
30 if (pos < 4) return String16(); | 30 if (pos < 4) return String16(); |
(...skipping 18 matching lines...) Expand all Loading... |
49 DCHECK(!multiline || closingCommentPos); | 49 DCHECK(!multiline || closingCommentPos); |
50 size_t urlPos = equalSignPos + 1; | 50 size_t urlPos = equalSignPos + 1; |
51 String16 match = multiline | 51 String16 match = multiline |
52 ? content.substring(urlPos, closingCommentPos - urlPos) | 52 ? content.substring(urlPos, closingCommentPos - urlPos) |
53 : content.substring(urlPos); | 53 : content.substring(urlPos); |
54 | 54 |
55 size_t newLine = match.find("\n"); | 55 size_t newLine = match.find("\n"); |
56 if (newLine != String16::kNotFound) match = match.substring(0, newLine); | 56 if (newLine != String16::kNotFound) match = match.substring(0, newLine); |
57 match = match.stripWhiteSpace(); | 57 match = match.stripWhiteSpace(); |
58 | 58 |
59 for (unsigned i = 0; i < match.length(); ++i) { | 59 for (size_t i = 0; i < match.length(); ++i) { |
60 UChar c = match[i]; | 60 UChar c = match[i]; |
61 if (c == '"' || c == '\'' || c == ' ' || c == '\t') return ""; | 61 if (c == '"' || c == '\'' || c == ' ' || c == '\t') return ""; |
62 } | 62 } |
63 | 63 |
64 return match; | 64 return match; |
65 } | 65 } |
66 | 66 |
67 String16 createSearchRegexSource(const String16& text) { | 67 String16 createSearchRegexSource(const String16& text) { |
68 String16Builder result; | 68 String16Builder result; |
69 | 69 |
70 for (unsigned i = 0; i < text.length(); i++) { | 70 for (size_t i = 0; i < text.length(); i++) { |
71 UChar c = text[i]; | 71 UChar c = text[i]; |
72 if (c == '[' || c == ']' || c == '(' || c == ')' || c == '{' || c == '}' || | 72 if (c == '[' || c == ']' || c == '(' || c == ')' || c == '{' || c == '}' || |
73 c == '+' || c == '-' || c == '*' || c == '.' || c == ',' || c == '?' || | 73 c == '+' || c == '-' || c == '*' || c == '.' || c == ',' || c == '?' || |
74 c == '\\' || c == '^' || c == '$' || c == '|') { | 74 c == '\\' || c == '^' || c == '$' || c == '|') { |
75 result.append('\\'); | 75 result.append('\\'); |
76 } | 76 } |
77 result.append(c); | 77 result.append(c); |
78 } | 78 } |
79 | 79 |
80 return result.toString(); | 80 return result.toString(); |
81 } | 81 } |
82 | 82 |
83 std::unique_ptr<std::vector<unsigned>> lineEndings(const String16& text) { | 83 std::unique_ptr<std::vector<size_t>> lineEndings(const String16& text) { |
84 std::unique_ptr<std::vector<unsigned>> result(new std::vector<unsigned>()); | 84 std::unique_ptr<std::vector<size_t>> result(new std::vector<size_t>()); |
85 | 85 |
86 const String16 lineEndString = "\n"; | 86 const String16 lineEndString = "\n"; |
87 unsigned start = 0; | 87 size_t start = 0; |
88 while (start < text.length()) { | 88 while (start < text.length()) { |
89 size_t lineEnd = text.find(lineEndString, start); | 89 size_t lineEnd = text.find(lineEndString, start); |
90 if (lineEnd == String16::kNotFound) break; | 90 if (lineEnd == String16::kNotFound) break; |
91 | 91 |
92 result->push_back(static_cast<unsigned>(lineEnd)); | 92 result->push_back(lineEnd); |
93 start = lineEnd + 1; | 93 start = lineEnd + 1; |
94 } | 94 } |
95 result->push_back(static_cast<unsigned>(text.length())); | 95 result->push_back(text.length()); |
96 | 96 |
97 return result; | 97 return result; |
98 } | 98 } |
99 | 99 |
100 std::vector<std::pair<int, String16>> scriptRegexpMatchesByLines( | 100 std::vector<std::pair<int, String16>> scriptRegexpMatchesByLines( |
101 const V8Regex& regex, const String16& text) { | 101 const V8Regex& regex, const String16& text) { |
102 std::vector<std::pair<int, String16>> result; | 102 std::vector<std::pair<int, String16>> result; |
103 if (text.isEmpty()) return result; | 103 if (text.isEmpty()) return result; |
104 | 104 |
105 std::unique_ptr<std::vector<unsigned>> endings(lineEndings(text)); | 105 std::unique_ptr<std::vector<size_t>> endings(lineEndings(text)); |
106 unsigned size = endings->size(); | 106 size_t size = endings->size(); |
107 unsigned start = 0; | 107 size_t start = 0; |
108 for (unsigned lineNumber = 0; lineNumber < size; ++lineNumber) { | 108 for (size_t lineNumber = 0; lineNumber < size; ++lineNumber) { |
109 unsigned lineEnd = endings->at(lineNumber); | 109 size_t lineEnd = endings->at(lineNumber); |
110 String16 line = text.substring(start, lineEnd - start); | 110 String16 line = text.substring(start, lineEnd - start); |
111 if (line.length() && line[line.length() - 1] == '\r') | 111 if (line.length() && line[line.length() - 1] == '\r') |
112 line = line.substring(0, line.length() - 1); | 112 line = line.substring(0, line.length() - 1); |
113 | 113 |
114 int matchLength; | 114 int matchLength; |
115 if (regex.match(line, 0, &matchLength) != -1) | 115 if (regex.match(line, 0, &matchLength) != -1) |
116 result.push_back(std::pair<int, String16>(lineNumber, line)); | 116 result.push_back(std::pair<int, String16>(lineNumber, line)); |
117 | 117 |
118 start = lineEnd + 1; | 118 start = lineEnd + 1; |
119 } | 119 } |
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155 | 155 |
156 String16 findSourceURL(const String16& content, bool multiline) { | 156 String16 findSourceURL(const String16& content, bool multiline) { |
157 return findMagicComment(content, "sourceURL", multiline); | 157 return findMagicComment(content, "sourceURL", multiline); |
158 } | 158 } |
159 | 159 |
160 String16 findSourceMapURL(const String16& content, bool multiline) { | 160 String16 findSourceMapURL(const String16& content, bool multiline) { |
161 return findMagicComment(content, "sourceMappingURL", multiline); | 161 return findMagicComment(content, "sourceMappingURL", multiline); |
162 } | 162 } |
163 | 163 |
164 } // namespace v8_inspector | 164 } // namespace v8_inspector |
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