Home | History | Annotate | Download | only in v8
      1 /*
      2  * Copyright (C) 2008, 2009 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 #ifndef ScriptString_h
     32 #define ScriptString_h
     33 
     34 #include "PlatformString.h"
     35 #include "ScriptStringImpl.h"
     36 #include "V8Binding.h"
     37 
     38 namespace WebCore {
     39 
     40 class ScriptString {
     41 public:
     42     ScriptString() : m_impl(0) {}
     43     ScriptString(const String& s) : m_impl(ScriptStringImpl::create(s)) {}
     44     ScriptString(const char* s) : m_impl(ScriptStringImpl::create(s)) {}
     45 
     46     operator String() const { return m_impl->toString(); }
     47 
     48     bool isNull() const { return !m_impl.get() || m_impl->isNull(); }
     49     size_t size() const { return m_impl->size(); }
     50 
     51     ScriptString& operator=(const char* s)
     52     {
     53         m_impl = ScriptStringImpl::create(s);
     54         return *this;
     55     }
     56 
     57     ScriptString& operator+=(const String& s)
     58     {
     59         m_impl->append(s);
     60         return *this;
     61     }
     62 
     63     v8::Handle<v8::Value> v8StringOrNull() const
     64     {
     65         return isNull() ? v8::Handle<v8::Value>(v8::Null()) : v8::Handle<v8::Value>(m_impl->v8StringHandle());
     66     }
     67 
     68 private:
     69     RefPtr<ScriptStringImpl> m_impl;
     70 };
     71 
     72 } // namespace WebCore
     73 
     74 #endif // ScriptString_h
     75