| /* |
| * Copyright (C) 2006, 2007 Apple Computer, Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "JSStringRefCF.h" |
| |
| #include "APICast.h" |
| #include "InitializeThreading.h" |
| #include "JSStringRef.h" |
| #include "OpaqueJSString.h" |
| #include <runtime/JSValue.h> |
| #include <wtf/OwnArrayPtr.h> |
| |
| JSStringRef JSStringCreateWithCFString(CFStringRef string) |
| { |
| JSC::initializeThreading(); |
| |
| // We cannot use CFIndex here since CFStringGetLength can return values larger than |
| // it can hold. (<rdar://problem/6806478>) |
| size_t length = CFStringGetLength(string); |
| if (length) { |
| Vector<LChar, 1024> lcharBuffer(length); |
| CFIndex usedBufferLength; |
| CFIndex convertedSize = CFStringGetBytes(string, CFRangeMake(0, length), kCFStringEncodingISOLatin1, 0, false, lcharBuffer.data(), length, &usedBufferLength); |
| if (static_cast<size_t>(convertedSize) == length && static_cast<size_t>(usedBufferLength) == length) |
| return OpaqueJSString::create(lcharBuffer.data(), length).leakRef(); |
| |
| OwnArrayPtr<UniChar> buffer = adoptArrayPtr(new UniChar[length]); |
| CFStringGetCharacters(string, CFRangeMake(0, length), buffer.get()); |
| COMPILE_ASSERT(sizeof(UniChar) == sizeof(UChar), unichar_and_uchar_must_be_same_size); |
| return OpaqueJSString::create(reinterpret_cast<UChar*>(buffer.get()), length).leakRef(); |
| } else { |
| return OpaqueJSString::create(static_cast<const LChar*>(0), 0).leakRef(); |
| } |
| } |
| |
| CFStringRef JSStringCopyCFString(CFAllocatorRef alloc, JSStringRef string) |
| { |
| return CFStringCreateWithCharacters(alloc, reinterpret_cast<const UniChar*>(string->characters()), string->length()); |
| } |