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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. *
****************************************************************************/
/**
* The evaluation functions that implement literal expressions like -name,
* -print, etc.
*/
#ifndef BFS_EVAL_H
#define BFS_EVAL_H
#include <stdbool.h>
struct bfs_ctx;
struct expr;
/**
* Ephemeral state for evaluating an expression.
*/
struct eval_state;
/**
* Expression evaluation function.
*
* @param expr
* The current expression.
* @param state
* The current evaluation state.
* @return
* The result of the test.
*/
typedef bool eval_fn(const struct expr *expr, struct eval_state *state);
/**
* Evaluate the command line.
*
* @param ctx
* The bfs context to evaluate.
* @return
* EXIT_SUCCESS on success, otherwise on failure.
*/
int bfs_eval(const struct bfs_ctx *ctx);
// Predicate evaluation functions
bool eval_true(const struct expr *expr, struct eval_state *state);
bool eval_false(const struct expr *expr, struct eval_state *state);
bool eval_access(const struct expr *expr, struct eval_state *state);
bool eval_acl(const struct expr *expr, struct eval_state *state);
bool eval_capable(const struct expr *expr, struct eval_state *state);
bool eval_perm(const struct expr *expr, struct eval_state *state);
bool eval_xattr(const struct expr *expr, struct eval_state *state);
bool eval_xattrname(const struct expr *expr, struct eval_state *state);
bool eval_newer(const struct expr *expr, struct eval_state *state);
bool eval_time(const struct expr *expr, struct eval_state *state);
bool eval_used(const struct expr *expr, struct eval_state *state);
bool eval_gid(const struct expr *expr, struct eval_state *state);
bool eval_uid(const struct expr *expr, struct eval_state *state);
bool eval_nogroup(const struct expr *expr, struct eval_state *state);
bool eval_nouser(const struct expr *expr, struct eval_state *state);
bool eval_depth(const struct expr *expr, struct eval_state *state);
bool eval_empty(const struct expr *expr, struct eval_state *state);
bool eval_fstype(const struct expr *expr, struct eval_state *state);
bool eval_hidden(const struct expr *expr, struct eval_state *state);
bool eval_inum(const struct expr *expr, struct eval_state *state);
bool eval_links(const struct expr *expr, struct eval_state *state);
bool eval_samefile(const struct expr *expr, struct eval_state *state);
bool eval_size(const struct expr *expr, struct eval_state *state);
bool eval_sparse(const struct expr *expr, struct eval_state *state);
bool eval_type(const struct expr *expr, struct eval_state *state);
bool eval_xtype(const struct expr *expr, struct eval_state *state);
bool eval_lname(const struct expr *expr, struct eval_state *state);
bool eval_name(const struct expr *expr, struct eval_state *state);
bool eval_path(const struct expr *expr, struct eval_state *state);
bool eval_regex(const struct expr *expr, struct eval_state *state);
bool eval_delete(const struct expr *expr, struct eval_state *state);
bool eval_exec(const struct expr *expr, struct eval_state *state);
bool eval_exit(const struct expr *expr, struct eval_state *state);
bool eval_fls(const struct expr *expr, struct eval_state *state);
bool eval_fprint(const struct expr *expr, struct eval_state *state);
bool eval_fprint0(const struct expr *expr, struct eval_state *state);
bool eval_fprintf(const struct expr *expr, struct eval_state *state);
bool eval_fprintx(const struct expr *expr, struct eval_state *state);
bool eval_prune(const struct expr *expr, struct eval_state *state);
bool eval_quit(const struct expr *expr, struct eval_state *state);
// Operator evaluation functions
bool eval_not(const struct expr *expr, struct eval_state *state);
bool eval_and(const struct expr *expr, struct eval_state *state);
bool eval_or(const struct expr *expr, struct eval_state *state);
bool eval_comma(const struct expr *expr, struct eval_state *state);
#endif // BFS_EVAL_H
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