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Diffstat (limited to 'src/eval.h')
| -rw-r--r-- | src/eval.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/eval.h b/src/eval.h new file mode 100644 index 0000000..a1bbd2f --- /dev/null +++ b/src/eval.h @@ -0,0 +1,113 @@ +/**************************************************************************** + * bfs * + * Copyright (C) 2015-2022 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 bfs_expr; + +/** + * Ephemeral state for evaluating an expression. + */ +struct bfs_eval; + +/** + * Expression evaluation function. + * + * @param expr + * The current expression. + * @param state + * The current evaluation state. + * @return + * The result of the test. + */ +typedef bool bfs_eval_fn(const struct bfs_expr *expr, struct bfs_eval *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 bfs_expr *expr, struct bfs_eval *state); +bool eval_false(const struct bfs_expr *expr, struct bfs_eval *state); + +bool eval_access(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_acl(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_capable(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_perm(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_xattr(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_xattrname(const struct bfs_expr *expr, struct bfs_eval *state); + +bool eval_newer(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_time(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_used(const struct bfs_expr *expr, struct bfs_eval *state); + +bool eval_gid(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_uid(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_nogroup(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_nouser(const struct bfs_expr *expr, struct bfs_eval *state); + +bool eval_depth(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_empty(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_flags(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_fstype(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_hidden(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_inum(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_links(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_samefile(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_size(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_sparse(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_type(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_xtype(const struct bfs_expr *expr, struct bfs_eval *state); + +bool eval_lname(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_name(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_path(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_regex(const struct bfs_expr *expr, struct bfs_eval *state); + +bool eval_delete(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_exec(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_exit(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_fls(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_fprint(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_fprint0(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_fprintf(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_fprintx(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_prune(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_quit(const struct bfs_expr *expr, struct bfs_eval *state); + +// Operator evaluation functions +bool eval_not(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_and(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_or(const struct bfs_expr *expr, struct bfs_eval *state); +bool eval_comma(const struct bfs_expr *expr, struct bfs_eval *state); + +#endif // BFS_EVAL_H |