| 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 |