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/*********************************************************************
* bfs *
* Copyright (C) 2015-2016 Tavian Barnes <tavianator@tavianator.com> *
* *
* This program is free software. It comes without any warranty, to *
* the extent permitted by applicable law. You can redistribute it *
* and/or modify it under the terms of the Do What The Fuck You Want *
* To Public License, Version 2, as published by Sam Hocevar. See *
* the COPYING file or http://www.wtfpl.net/ for more details. *
*********************************************************************/
#ifndef BFS_COLOR_H
#define BFS_COLOR_H
#include "bftw.h"
#include <stdio.h>
/**
* A lookup table for colors.
*/
struct colors;
/**
* Parse a color table.
*
* @param ls_color
* A color table in the LS_COLORS environment variable format.
* @return The parsed color table.
*/
struct colors *parse_colors(const char *ls_colors);
/**
* Free a color table.
*
* @param colors
* The color table to free.
*/
void free_colors(struct colors *colors);
/**
* A file/stream with associated colors.
*/
typedef struct CFILE {
/** The underlying file/stream. */
FILE *file;
/** The color table to use, if any. */
const struct colors *colors;
} CFILE;
/**
* Make a colored copy of an open file.
*
* @param file
* The underlying file.
* @param colors
* The color table to use if file is a TTY.
* @return A colored wrapper around file.
*/
CFILE *cfdup(FILE *file, const struct colors *colors);
/**
* Close a colored file.
*
* @param cfile
* The colored file to close.
* @return 0 on success, -1 on failure.
*/
int cfclose(CFILE *cfile);
/**
* Colored, formatted output.
*
* @param cfile
* The colored stream to print to.
* @param format
* A printf()-style format string, supporting these format specifiers:
*
* %%: A literal '%'
* %c: A single character
* %s: A string
* %P: A colored file path, from a const struct BFTW * argument
* %{cc}: Change the color to 'cc'
* @return 0 on success, -1 on failure.
*/
int cfprintf(CFILE *cfile, const char *format, ...);
#endif // BFS_COLOR_H
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