| 1 | /* |
| 2 | * Copyright (C) 2006, 2007 Apple Computer, 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 "JSStringRefCF.h" |
| 28 | |
| 29 | #include "APICast.h" |
| 30 | #include "InitializeThreading.h" |
| 31 | #include "JSStringRef.h" |
| 32 | #include "OpaqueJSString.h" |
| 33 | #include <runtime/UString.h> |
| 34 | #include <runtime/JSValue.h> |
| 35 | #include <wtf/OwnArrayPtr.h> |
| 36 | |
| 37 | JSStringRef JSStringCreateWithCFString(CFStringRef string) |
| 38 | { |
| 39 | JSC::initializeThreading(); |
| 40 | |
| 41 | // We cannot use CFIndex here since CFStringGetLength can return values larger than |
| 42 | // it can hold. (<rdar://problem/6806478>) |
| 43 | size_t length = CFStringGetLength(string); |
| 44 | if (length) { |
| 45 | OwnArrayPtr<UniChar> buffer = adoptArrayPtr(new UniChar[length]); |
| 46 | CFStringGetCharacters(string, CFRangeMake(0, length), buffer.get()); |
| 47 | COMPILE_ASSERT(sizeof(UniChar) == sizeof(UChar), unichar_and_uchar_must_be_same_size); |
| 48 | return OpaqueJSString::create(reinterpret_cast<UChar*>(buffer.get()), length).leakRef(); |
| 49 | } else { |
| 50 | return OpaqueJSString::create(0, 0).leakRef(); |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | CFStringRef JSStringCopyCFString(CFAllocatorRef alloc, JSStringRef string) |
| 55 | { |
| 56 | return CFStringCreateWithCharacters(alloc, reinterpret_cast<const UniChar*>(string->characters()), string->length()); |
| 57 | } |