1 /*

     2  * Copyright (C) 2008 Apple 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

     6  * are met:

     7  * 1. Redistributions of source code must retain the above copyright

     8  *    notice, this list of conditions and the following disclaimer.

     9  * 2. Redistributions in binary form must reproduce the above copyright

    10  *    notice, this list of conditions and the following disclaimer in the

    11  *    documentation and/or other materials provided with the distribution.

    12  *

    13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

    14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

    17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

    24  */

    25 

    26 #include "config.h"

    27 #include "OpaqueJSString.h"

    28 

    29 #include <interpreter/CallFrame.h>

    30 #include <runtime/JSGlobalObject.h>

    31 #include <runtime/Identifier.h>

    32 

    33 using namespace JSC;

    34 

    35 PassRefPtr<OpaqueJSString> OpaqueJSString::create(const UString& ustring)

    36 {

    37     if (!ustring.isNull())

    38         return adoptRef(new OpaqueJSString(ustring.data(), ustring.size()));

    39     return 0;

    40 }

    41 

    42 UString OpaqueJSString::ustring() const

    43 {

    44     if (this && m_characters)

    45         return UString(m_characters, m_length);

    46     return UString::null();

    47 }

    48 

    49 Identifier OpaqueJSString::identifier(JSGlobalData* globalData) const

    50 {

    51     if (!this || !m_characters)

    52         return Identifier(globalData, static_cast<const char*>(0));

    53 

    54     return Identifier(globalData, m_characters, m_length);

    55 }