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Added a simple C rang wrapper

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Martin Pulec
2018-11-28 15:54:56 +01:00
parent 2dee5510b7
commit f59c0aa87b
3 changed files with 148 additions and 0 deletions
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1
Makefile.in
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@@ -122,6 +122,7 @@ OBJS = @OBJS@ \
src/rtsp/rtsp_utils.o \
src/ug_runtime_error.o \
src/utils/audio_buffer.o \
src/utils/color_out.o \
src/utils/config_file.o \
src/utils/fs.o \
src/utils/jpeg_reader.o \

73
src/utils/color_out.cpp Normal file
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@@ -0,0 +1,73 @@
/**
* @file utils/color_out.cpp
* @author Martin Pulec <pulec@cesnet.cz>
*/
/*
* Copyright (c) 2018 CESNET, z. s. p. o.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, is 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.
*
* 3. Neither the name of CESNET nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESSED 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 THE AUTHORS 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#include "config_unix.h"
#include "config_win32.h"
#endif
#include <unordered_map>
#include <iostream>
#include "rang.hpp"
#include "utils/color_out.h"
using std::cout;
void color_out(uint32_t modificators, const char *format, ...) {
rang::style style = static_cast<rang::style>(modificators & 0xf);
unsigned int color_idx = (modificators >> 4u) & 0xf;
rang::fg color = color_idx == 0 ? rang::fg::reset : static_cast<rang::fg>(29 + color_idx);
va_list ap;
va_start(ap, format);
int size = vsnprintf(NULL, 0, format, ap);
va_end(ap);
// format the string
char *buffer = (char *) alloca(size + 1);
va_start(ap, format);
if (vsprintf(buffer, format, ap) != size) {
va_end(ap);
return;
}
va_end(ap);
cout << style << color << buffer << rang::style::reset << rang::fg::reset;
}

74
src/utils/color_out.h Normal file
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@@ -0,0 +1,74 @@
/**
* @file utils/color_out.h
* @author Martin Pulec <pulec@cesnet.cz>
*
* Simple C wrapper around the rang header.
*/
/*
* Copyright (c) 2018 CESNET z.s.p.o.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, is 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.
*
* 3. Neither the name of CESNET nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESSED 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 THE AUTHORS 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 COLOR_OUT_H_
#define COLOR_OUT_H_
#ifdef __cplusplus
extern "C" {
#endif
#define COLOR_OUT_BOLD 1u
#define COLOR_OUT_DIM 2u
#define COLOR_OUT_ITALIC 3u
#define COLOR_OUT_UNDERLINE 5u
#define COLOR_OUT_BLINK 6u
#define COLOR_OUT_RBLINK 7u
#define COLOR_OUT_REVERSED 8u
#define COLOR_OUT_CONCEAL 9u
#define COLOR_OUT_CROSSED 10u
#define COLOR_OUT_BLACK (1u<<4u)
#define COLOR_OUT_RED (2u<<4u)
#define COLOR_OUT_GREEN (3u<<4u)
#define COLOR_OUT_YELLOW (4u<<4u)
#define COLOR_OUT_BLUE (5u<<4u)
#define COLOR_OUT_MAGENTA (6u<<4u)
#define COLOR_OUT_CYAN (7u<<4u)
#define COLOR_OUT_GRAY (8u<<4u)
void color_out(uint32_t modificators, const char *format, ...);
#ifdef __cplusplus
}
#endif
#endif // defined COLOR_OUT_H_