From 1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c Mon Sep 17 00:00:00 2001 From: Lorry Tar Creator Date: Tue, 27 Jun 2017 06:07:23 +0000 Subject: webkitgtk-2.16.5 --- Source/JavaScriptCore/API/JSStringRefCF.cpp | 67 +++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Source/JavaScriptCore/API/JSStringRefCF.cpp (limited to 'Source/JavaScriptCore/API/JSStringRefCF.cpp') diff --git a/Source/JavaScriptCore/API/JSStringRefCF.cpp b/Source/JavaScriptCore/API/JSStringRefCF.cpp new file mode 100644 index 000000000..05872593f --- /dev/null +++ b/Source/JavaScriptCore/API/JSStringRefCF.cpp @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2006, 2007 Apple 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 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 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 "JSCJSValue.h" +#include "JSStringRef.h" +#include "OpaqueJSString.h" +#include + +JSStringRef JSStringCreateWithCFString(CFStringRef string) +{ + JSC::initializeThreading(); + + // We cannot use CFIndex here since CFStringGetLength can return values larger than + // it can hold. () + size_t length = CFStringGetLength(string); + if (!length) + return &OpaqueJSString::create(reinterpret_cast(""), 0).leakRef(); + + Vector lcharBuffer(length); + CFIndex usedBufferLength; + CFIndex convertedSize = CFStringGetBytes(string, CFRangeMake(0, length), kCFStringEncodingISOLatin1, 0, false, lcharBuffer.data(), length, &usedBufferLength); + if (static_cast(convertedSize) == length && static_cast(usedBufferLength) == length) + return &OpaqueJSString::create(lcharBuffer.data(), length).leakRef(); + + auto buffer = std::make_unique(length); + CFStringGetCharacters(string, CFRangeMake(0, length), buffer.get()); + static_assert(sizeof(UniChar) == sizeof(UChar), "UniChar and UChar must be same size"); + return &OpaqueJSString::create(reinterpret_cast(buffer.get()), length).leakRef(); +} + +CFStringRef JSStringCopyCFString(CFAllocatorRef allocator, JSStringRef string) +{ + if (!string || !string->length()) + return CFSTR(""); + + if (string->is8Bit()) + return CFStringCreateWithBytes(allocator, reinterpret_cast(string->characters8()), string->length(), kCFStringEncodingISOLatin1, false); + + return CFStringCreateWithCharacters(allocator, reinterpret_cast(string->characters16()), string->length()); +} -- cgit v1.2.1