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