Home | History | Annotate | Download | only in v8 
      1 /*
      2  * Copyright (C) 2013 Google 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "bindings/core/v8/ScriptString.h"
     33 
     34 #include "bindings/core/v8/V8Binding.h"
     35 
     36 namespace blink {
     37 
     38 ScriptString::ScriptString()
     39     : m_isolate(0)
     40 {
     41 }
     42 
     43 ScriptString::ScriptString(v8::Isolate* isolate, v8::Handle<v8::String> string)
     44     : m_isolate(isolate)
     45     , m_string(SharedPersistent<v8::String>::create(string, m_isolate))
     46 {
     47 }
     48 
     49 ScriptString& ScriptString::operator=(const ScriptString& string)
     50 {
     51     if (this != &string) {
     52         m_isolate = string.m_isolate;
     53         m_string = string.m_string;
     54     }
     55     return *this;
     56 }
     57 
     58 v8::Handle<v8::String> ScriptString::v8Value()
     59 {
     60     if (isEmpty())
     61         return v8::Handle<v8::String>();
     62     return m_string->newLocal(isolate());
     63 }
     64 
     65 ScriptString ScriptString::concatenateWith(const String& string)
     66 {
     67     v8::Isolate* nonNullIsolate = isolate();
     68     v8::HandleScope handleScope(nonNullIsolate);
     69     v8::Handle<v8::String> targetString = v8String(nonNullIsolate, string);
     70     if (isEmpty())
     71         return ScriptString(nonNullIsolate, targetString);
     72     return ScriptString(nonNullIsolate, v8::String::Concat(v8Value(), targetString));
     73 }
     74 
     75 String ScriptString::flattenToString()
     76 {
     77     if (isEmpty())
     78         return String();
     79     v8::HandleScope handleScope(isolate());
     80     return v8StringToWebCoreString<String>(v8Value(), Externalize);
     81 }
     82 
     83 } // namespace blink
     84