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/****************************************************************************
* bfs *
* Copyright (C) 2017-2018 Tavian Barnes <tavianator@tavianator.com> *
* *
* Permission to use, copy, modify, and/or distribute this software for any *
* purpose with or without fee is hereby granted. *
* *
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES *
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR *
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES *
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN *
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF *
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. *
****************************************************************************/
/**
* Implementation of -printf/-fprintf.
*/
#ifndef BFS_PRINTF_H
#define BFS_PRINTF_H
#include "bftw.h"
#include "color.h"
#include <stdbool.h>
#include <stdio.h>
struct cmdline;
struct bfs_printf_directive;
/**
* A printf command, the result of parsing a single format string.
*/
struct bfs_printf {
/** The chain of printf directives. */
struct bfs_printf_directive *directives;
/** Whether the struct bfs_stat must be filled in. */
bool needs_stat;
};
/**
* Parse a -printf format string.
*
* @param format
* The format string to parse.
* @param cmdline
* The command line.
* @return The parsed printf command, or NULL on failure.
*/
struct bfs_printf *parse_bfs_printf(const char *format, struct cmdline *cmdline);
/**
* Evaluate a parsed format string.
*
* @param file
* The FILE to print to.
* @param command
* The parsed printf format.
* @param ftwbuf
* The bftw() data for the current file. If needs_stat is true, statbuf
* must be non-NULL.
* @return 0 on success, -1 on failure.
*/
int bfs_printf(FILE *file, const struct bfs_printf *command, const struct BFTW *ftwbuf);
/**
* Free a parsed format string.
*/
void free_bfs_printf(struct bfs_printf *command);
#endif // BFS_PRINTF_H
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