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/**************************************************************************
*
* Copyright 2010 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
**************************************************************************/
/*
* Helpers for coloring output.
*/
#pragma once
#include <iostream>
namespace highlight {
/*
* See also http://bytes.com/topic/c/answers/63822-design-question-little-c-header-colorizing-text-linux-comments-ideas
*/
class Attribute {
public:
virtual void apply(std::ostream &) const = 0;
};
inline std::ostream &
operator << (std::ostream & os, const Attribute & attr) {
attr.apply(os);
return os;
}
enum Color {
RED,
GREEN,
BLUE,
GRAY,
};
class Highlighter {
public:
virtual const Attribute & normal(void) const = 0;
virtual const Attribute & bold(void) const = 0;
virtual const Attribute & italic(void) const = 0;
virtual const Attribute & strike(void) const = 0;
virtual const Attribute & color(Color) const = 0;
};
bool
isAtty(std::ostream & os);
const Highlighter &
defaultHighlighter(bool color = true);
const Highlighter &
defaultHighlighter(std::ostream & os);
} /* namespace highlight */
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