API/JSStringRefCF.cpp

   1 // -*- mode: c++; c-basic-offset: 4 -*-
   2 /*
   3  * Copyright (C) 2006, 2007 Apple Computer, Inc.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #include "config.h"
  28 #include "JSStringRefCF.h"
  29
  30 #include "APICast.h"
  31 #include "JSStringRef.h"
  32 #include <kjs/JSLock.h>
  33 #include <kjs/ustring.h>
  34 #include <kjs/value.h>
  35
  36 using namespace KJS;
  37
  38 JSStringRef JSStringCreateWithCFString(CFStringRef string)
  39 {
  40     JSLock lock;
  41     CFIndex length = CFStringGetLength(string);
  42     UString::Rep* rep;
  43     if (!length)
  44         rep = UString("").rep()->ref();
  45     else {
  46         UniChar* buffer = static_cast<UniChar*>(fastMalloc(sizeof(UniChar) * length));
  47         CFStringGetCharacters(string, CFRangeMake(0, length), buffer);
  48         rep = UString(reinterpret_cast<UChar*>(buffer), length, false).rep()->ref();
  49     }
  50     return toRef(rep);
  51 }
  52
  53 CFStringRef JSStringCopyCFString(CFAllocatorRef alloc, JSStringRef string)
  54 {
  55     UString::Rep* rep = toJS(string);
  56     return CFStringCreateWithCharacters(alloc, reinterpret_cast<const UniChar*>(rep->data()), rep->size());
  57 }