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/*
* Copyright (C) 2012, 2016 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.
*/
#pragma once
#include <wtf/PrintStream.h>
#include <wtf/text/CString.h>
#include <wtf/text/WTFString.h>
namespace WTF {
class StringPrintStream final : public PrintStream {
public:
WTF_EXPORT_PRIVATE StringPrintStream();
WTF_EXPORT_PRIVATE ~StringPrintStream() final;
WTF_EXPORT_PRIVATE void vprintf(const char* format, va_list) final WTF_ATTRIBUTE_PRINTF(2, 0);
size_t length() const { return m_length; }
WTF_EXPORT_PRIVATE CString toCString() const;
WTF_EXPORT_PRIVATE Expected<String, UTF8ConversionError> tryToString() const;
WTF_EXPORT_PRIVATE String toString() const;
WTF_EXPORT_PRIVATE String toStringWithLatin1Fallback() const;
WTF_EXPORT_PRIVATE void reset();
private:
void increaseSize(size_t);
std::array<char, 128> m_inlineBuffer;
std::span<char> m_buffer;
size_t m_length { 0 };
};
// Stringify any type T that has a WTF::printInternal(PrintStream&, const T&)
template<typename... Types>
CString toCString(const Types&... values)
{
StringPrintStream stream;
stream.print(values...);
return stream.toCString();
}
template<typename... Types>
String toString(const Types&... values)
{
StringPrintStream stream;
stream.print(values...);
return stream.toString();
}
} // namespace WTF
using WTF::StringPrintStream;
using WTF::toCString;
using WTF::toString;
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