mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-12-03 17:50:42 +00:00
68 lines
3.0 KiB
C++
68 lines
3.0 KiB
C++
/*
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* Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "JSStringRefCF.h"
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#include "APICast.h"
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#include "InitializeThreading.h"
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#include "JSCJSValue.h"
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#include "JSStringRef.h"
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#include "OpaqueJSString.h"
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#include <wtf/StdLibExtras.h>
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JSStringRef JSStringCreateWithCFString(CFStringRef string)
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{
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JSC::initialize();
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// We cannot use CFIndex here since CFStringGetLength can return values larger than
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// it can hold. (<rdar://problem/6806478>)
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size_t length = CFStringGetLength(string);
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if (!length)
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return &OpaqueJSString::create(reinterpret_cast<const LChar*>(""), 0).leakRef();
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Vector<LChar, 1024> lcharBuffer(length);
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CFIndex usedBufferLength;
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CFIndex convertedSize = CFStringGetBytes(string, CFRangeMake(0, length), kCFStringEncodingISOLatin1, 0, false, lcharBuffer.data(), length, &usedBufferLength);
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if (static_cast<size_t>(convertedSize) == length && static_cast<size_t>(usedBufferLength) == length)
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return &OpaqueJSString::create(lcharBuffer.data(), length).leakRef();
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Vector<UniChar> buffer(length);
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CFStringGetCharacters(string, CFRangeMake(0, length), buffer.data());
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static_assert(sizeof(UniChar) == sizeof(UChar), "UniChar and UChar must be same size");
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return &OpaqueJSString::create(reinterpret_cast<UChar*>(buffer.data()), length).leakRef();
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}
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CFStringRef JSStringCopyCFString(CFAllocatorRef allocator, JSStringRef string)
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{
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if (!string || !string->length())
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return CFSTR("");
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if (string->is8Bit())
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return CFStringCreateWithBytes(allocator, reinterpret_cast<const UInt8*>(string->characters8()), string->length(), kCFStringEncodingISOLatin1, false);
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return CFStringCreateWithCharacters(allocator, reinterpret_cast<const UniChar*>(string->characters16()), string->length());
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}
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