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/*
* Copyright (C) 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.
*/
#ifndef Indenter_h
#define Indenter_h
#include <wtf/PrintStream.h>
#include <wtf/text/WTFString.h>
namespace WTF {
class Indenter {
public:
Indenter(unsigned count = 0, String string = ASCIILiteral(" "))
: m_count(count)
, m_string(string)
{ }
Indenter(const Indenter& other)
: m_count(other.m_count)
, m_string(other.m_string)
{ }
void dump(PrintStream& out) const
{
unsigned levels = m_count;
while (levels--)
out.print(m_string);
}
unsigned operator++() { return ++m_count; }
unsigned operator++(int) { return m_count++; }
unsigned operator--() { return --m_count; }
unsigned operator--(int) { return m_count--; }
private:
unsigned m_count;
String m_string;
};
} // namespace WTF
using WTF::Indenter;
#endif // Indenter_h