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/*
* Copyright (C) 2010 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. AND ITS CONTRIBUTORS ``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 ITS 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.
*/
#ifndef WebString_h
#define WebString_h
#include "APIObject.h"
#include <JavaScriptCore/JSStringRef.h>
#include <wtf/PassRefPtr.h>
#include <wtf/text/WTFString.h>
#include <wtf/unicode/UTF8.h>
namespace WebKit {
// WebString - A string type suitable for vending to an API.
class WebString : public APIObject {
public:
static const Type APIType = TypeString;
static PassRefPtr<WebString> create(const String& string)
{
return adoptRef(new WebString(string));
}
static PassRefPtr<WebString> create(JSStringRef jsStringRef)
{
return adoptRef(new WebString(String(JSStringGetCharactersPtr(jsStringRef), JSStringGetLength(jsStringRef))));
}
static PassRefPtr<WebString> createFromUTF8String(const char* string)
{
return adoptRef(new WebString(String::fromUTF8(string)));
}
bool isNull() const { return m_string.isNull(); }
bool isEmpty() const { return m_string.isEmpty(); }
size_t maximumUTF8CStringSize() const { return m_string.length() * 3 + 1; }
size_t getUTF8CString(char* buffer, size_t bufferSize)
{
if (!bufferSize)
return 0;
char* p = buffer;
const UChar* d = m_string.characters();
WTF::Unicode::ConversionResult result = WTF::Unicode::convertUTF16ToUTF8(&d, d + m_string.length(), &p, p + bufferSize - 1, /* strict */ true);
*p++ = '\0';
if (result != WTF::Unicode::conversionOK && result != WTF::Unicode::targetExhausted)
return 0;
return p - buffer;
}
bool equal(WebString* other) { return m_string == other->m_string; }
bool equalToUTF8String(const char* other) { return m_string == String::fromUTF8(other); }
bool equalToUTF8StringIgnoringCase(const char* other) { return equalIgnoringCase(m_string, other); }
const String& string() const { return m_string; }
JSStringRef createJSString() const { return JSStringCreateWithCharacters(m_string.characters(), m_string.length()); }
private:
WebString(const String& string)
: m_string(!string.impl() ? String(StringImpl::empty()) : string)
{
}
virtual Type type() const { return APIType; }
String m_string;
};
} // namespace WebKit
#endif // WebString_h