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73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
/**
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* @file utils/color_out.cpp
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* @author Martin Pulec <pulec@cesnet.cz>
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*/
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/*
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* Copyright (c) 2018-2021 CESNET, z. s. p. o.
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* 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, is permitted provided that the following conditions
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* are met:
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*
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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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*
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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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* 3. Neither the name of CESNET nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#include "config_unix.h"
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#include "config_win32.h"
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#endif
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#include <iostream>
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#include "rang.hpp"
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#include "utils/color_out.h"
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using std::cout;
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void color_out(uint32_t modificators, const char *format, ...) {
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rang::style style = static_cast<rang::style>(modificators & 0xf);
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unsigned int color_idx = (modificators >> 4u) & 0xf;
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rang::fg color = color_idx == 0 ? rang::fg::reset : static_cast<rang::fg>(29 + color_idx);
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va_list ap;
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va_start(ap, format);
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int size = vsnprintf(NULL, 0, format, ap);
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va_end(ap);
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// format the string
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char *buffer = (char *) alloca(size + 1);
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va_start(ap, format);
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if (vsprintf(buffer, format, ap) != size) {
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va_end(ap);
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return;
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}
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va_end(ap);
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cout << style << color << buffer << rang::style::reset << rang::fg::reset << std::flush;
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}
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