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/****************************************************************************
* bfs *
* Copyright (C) 2015-2018 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. *
****************************************************************************/
/**
* Representation of the parsed command line.
*/
#ifndef BFS_CMDLINE_H
#define BFS_CMDLINE_H
#include "color.h"
#include "trie.h"
/**
* Various debugging flags.
*/
enum debug_flags {
/** Print cost estimates. */
DEBUG_COST = 1 << 0,
/** Print executed command details. */
DEBUG_EXEC = 1 << 1,
/** Print optimization details. */
DEBUG_OPT = 1 << 2,
/** Print rate information. */
DEBUG_RATES = 1 << 3,
/** Trace the filesystem traversal. */
DEBUG_SEARCH = 1 << 4,
/** Trace all stat() calls. */
DEBUG_STAT = 1 << 5,
/** Print the parse tree. */
DEBUG_TREE = 1 << 6,
/** All debug flags. */
DEBUG_ALL = (1 << 7) - 1,
};
/**
* The parsed command line.
*/
struct cmdline {
/** The unparsed command line arguments. */
char **argv;
/** The root paths. */
const char **paths;
/** The number of root paths. */
size_t npaths;
/** Color data. */
struct colors *colors;
/** Colored stdout. */
CFILE *cout;
/** Colored stderr. */
CFILE *cerr;
/** Table of mounted file systems. */
struct bfs_mtab *mtab;
/** The error that occurred parsing the mount table, if any. */
int mtab_error;
/** -mindepth option. */
int mindepth;
/** -maxdepth option. */
int maxdepth;
/** bftw() flags. */
enum bftw_flags flags;
/** bftw() search strategy. */
enum bftw_strategy strategy;
/** Optimization level. */
int optlevel;
/** Debugging flags. */
enum debug_flags debug;
/** Whether to only handle paths with xargs-safe characters. */
bool xargs_safe;
/** Whether to ignore deletions that race with bfs. */
bool ignore_races;
/** Whether to only return unique files. */
bool unique;
/** The command line expression. */
struct expr *expr;
/** All the open files owned by the command line. */
struct trie open_files;
/** The number of open files owned by the command line. */
int nopen_files;
};
/**
* Parse the command line.
*/
struct cmdline *parse_cmdline(int argc, char *argv[]);
/**
* Dump the parsed command line.
*/
void dump_cmdline(const struct cmdline *cmdline, bool verbose);
/**
* Optimize the parsed command line.
*
* @return 0 if successful, -1 on error.
*/
int optimize_cmdline(struct cmdline *cmdline);
/**
* Evaluate the command line.
*/
int eval_cmdline(const struct cmdline *cmdline);
/**
* Free the parsed command line.
*
* @return 0 if successful, -1 on error.
*/
int free_cmdline(struct cmdline *cmdline);
#endif // BFS_CMDLINE_H
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