OLD | NEW |
1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
(...skipping 57 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
68 } else { | 68 } else { |
69 ASSERT(strcmp(*v8::String::Utf8Value(str), "isAsciiString") == 0); | 69 ASSERT(strcmp(*v8::String::Utf8Value(str), "isAsciiString") == 0); |
70 return v8::FunctionTemplate::New(ExternalizeStringExtension::IsAscii); | 70 return v8::FunctionTemplate::New(ExternalizeStringExtension::IsAscii); |
71 } | 71 } |
72 } | 72 } |
73 | 73 |
74 | 74 |
75 void ExternalizeStringExtension::Externalize( | 75 void ExternalizeStringExtension::Externalize( |
76 const v8::FunctionCallbackInfo<v8::Value>& args) { | 76 const v8::FunctionCallbackInfo<v8::Value>& args) { |
77 if (args.Length() < 1 || !args[0]->IsString()) { | 77 if (args.Length() < 1 || !args[0]->IsString()) { |
78 v8::ThrowException(v8::String::New( | 78 v8::ThrowException( |
79 "First parameter to externalizeString() must be a string.")); | 79 args.GetIsolate(), |
| 80 v8::String::New( |
| 81 "First parameter to externalizeString() must be a string.")); |
80 return; | 82 return; |
81 } | 83 } |
82 bool force_two_byte = false; | 84 bool force_two_byte = false; |
83 if (args.Length() >= 2) { | 85 if (args.Length() >= 2) { |
84 if (args[1]->IsBoolean()) { | 86 if (args[1]->IsBoolean()) { |
85 force_two_byte = args[1]->BooleanValue(); | 87 force_two_byte = args[1]->BooleanValue(); |
86 } else { | 88 } else { |
87 v8::ThrowException(v8::String::New( | 89 v8::ThrowException( |
88 "Second parameter to externalizeString() must be a boolean.")); | 90 args.GetIsolate(), |
| 91 v8::String::New( |
| 92 "Second parameter to externalizeString() must be a boolean.")); |
89 return; | 93 return; |
90 } | 94 } |
91 } | 95 } |
92 bool result = false; | 96 bool result = false; |
93 Handle<String> string = Utils::OpenHandle(*args[0].As<v8::String>()); | 97 Handle<String> string = Utils::OpenHandle(*args[0].As<v8::String>()); |
94 if (string->IsExternalString()) { | 98 if (string->IsExternalString()) { |
95 v8::ThrowException(v8::String::New( | 99 v8::ThrowException( |
96 "externalizeString() can't externalize twice.")); | 100 args.GetIsolate(), |
| 101 v8::String::New( |
| 102 "externalizeString() can't externalize twice.")); |
97 return; | 103 return; |
98 } | 104 } |
99 if (string->IsOneByteRepresentation() && !force_two_byte) { | 105 if (string->IsOneByteRepresentation() && !force_two_byte) { |
100 uint8_t* data = new uint8_t[string->length()]; | 106 uint8_t* data = new uint8_t[string->length()]; |
101 String::WriteToFlat(*string, data, 0, string->length()); | 107 String::WriteToFlat(*string, data, 0, string->length()); |
102 SimpleAsciiStringResource* resource = new SimpleAsciiStringResource( | 108 SimpleAsciiStringResource* resource = new SimpleAsciiStringResource( |
103 reinterpret_cast<char*>(data), string->length()); | 109 reinterpret_cast<char*>(data), string->length()); |
104 result = string->MakeExternal(resource); | 110 result = string->MakeExternal(resource); |
105 if (result && !string->IsInternalizedString()) { | 111 if (result && !string->IsInternalizedString()) { |
106 i::Isolate* isolate = reinterpret_cast<i::Isolate*>(args.GetIsolate()); | 112 i::Isolate* isolate = reinterpret_cast<i::Isolate*>(args.GetIsolate()); |
(...skipping 15 matching lines...) Expand all Loading... |
122 if (!result) { | 128 if (!result) { |
123 v8::ThrowException(v8::String::New("externalizeString() failed.")); | 129 v8::ThrowException(v8::String::New("externalizeString() failed.")); |
124 return; | 130 return; |
125 } | 131 } |
126 } | 132 } |
127 | 133 |
128 | 134 |
129 void ExternalizeStringExtension::IsAscii( | 135 void ExternalizeStringExtension::IsAscii( |
130 const v8::FunctionCallbackInfo<v8::Value>& args) { | 136 const v8::FunctionCallbackInfo<v8::Value>& args) { |
131 if (args.Length() != 1 || !args[0]->IsString()) { | 137 if (args.Length() != 1 || !args[0]->IsString()) { |
132 v8::ThrowException(v8::String::New( | 138 v8::ThrowException( |
133 "isAsciiString() requires a single string argument.")); | 139 args.GetIsolate(), |
| 140 v8::String::New( |
| 141 "isAsciiString() requires a single string argument.")); |
134 return; | 142 return; |
135 } | 143 } |
136 bool is_one_byte = | 144 bool is_one_byte = |
137 Utils::OpenHandle(*args[0].As<v8::String>())->IsOneByteRepresentation(); | 145 Utils::OpenHandle(*args[0].As<v8::String>())->IsOneByteRepresentation(); |
138 args.GetReturnValue().Set(is_one_byte); | 146 args.GetReturnValue().Set(is_one_byte); |
139 } | 147 } |
140 | 148 |
141 | 149 |
142 void ExternalizeStringExtension::Register() { | 150 void ExternalizeStringExtension::Register() { |
143 static ExternalizeStringExtension externalize_extension; | 151 static ExternalizeStringExtension externalize_extension; |
144 static v8::DeclareExtension declaration(&externalize_extension); | 152 static v8::DeclareExtension declaration(&externalize_extension); |
145 } | 153 } |
146 | 154 |
147 } } // namespace v8::internal | 155 } } // namespace v8::internal |
OLD | NEW |