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1 | #ifndef GREP_H | |
2 | #define GREP_H | |
3 | #include "color.h" | |
4 | ||
5 | enum grep_pat_token { | |
6 | GREP_PATTERN, | |
7 | GREP_PATTERN_HEAD, | |
8 | GREP_PATTERN_BODY, | |
9 | GREP_AND, | |
10 | GREP_OPEN_PAREN, | |
11 | GREP_CLOSE_PAREN, | |
12 | GREP_NOT, | |
13 | GREP_OR | |
14 | }; | |
15 | ||
16 | enum grep_context { | |
17 | GREP_CONTEXT_HEAD, | |
18 | GREP_CONTEXT_BODY | |
19 | }; | |
20 | ||
21 | enum grep_header_field { | |
22 | GREP_HEADER_AUTHOR = 0, | |
23 | GREP_HEADER_COMMITTER | |
24 | }; | |
25 | ||
26 | struct grep_pat { | |
27 | struct grep_pat *next; | |
28 | const char *origin; | |
29 | int no; | |
30 | enum grep_pat_token token; | |
31 | const char *pattern; | |
32 | size_t patternlen; | |
33 | enum grep_header_field field; | |
34 | regex_t regexp; | |
35 | unsigned fixed:1; | |
36 | unsigned ignore_case:1; | |
37 | unsigned word_regexp:1; | |
38 | }; | |
39 | ||
40 | enum grep_expr_node { | |
41 | GREP_NODE_ATOM, | |
42 | GREP_NODE_NOT, | |
43 | GREP_NODE_AND, | |
44 | GREP_NODE_OR | |
45 | }; | |
46 | ||
47 | struct grep_expr { | |
48 | enum grep_expr_node node; | |
49 | unsigned hit; | |
50 | union { | |
51 | struct grep_pat *atom; | |
52 | struct grep_expr *unary; | |
53 | struct { | |
54 | struct grep_expr *left; | |
55 | struct grep_expr *right; | |
56 | } binary; | |
57 | } u; | |
58 | }; | |
59 | ||
60 | struct grep_opt { | |
61 | struct grep_pat *pattern_list; | |
62 | struct grep_pat **pattern_tail; | |
63 | struct grep_pat *header_list; | |
64 | struct grep_pat **header_tail; | |
65 | struct grep_expr *pattern_expression; | |
66 | const char *prefix; | |
67 | int prefix_length; | |
68 | regex_t regexp; | |
69 | int linenum; | |
70 | int invert; | |
71 | int ignore_case; | |
72 | int status_only; | |
73 | int name_only; | |
74 | int unmatch_name_only; | |
75 | int count; | |
76 | int word_regexp; | |
77 | int fixed; | |
78 | int all_match; | |
79 | #define GREP_BINARY_DEFAULT 0 | |
80 | #define GREP_BINARY_NOMATCH 1 | |
81 | #define GREP_BINARY_TEXT 2 | |
82 | int binary; | |
83 | int extended; | |
84 | int relative; | |
85 | int pathname; | |
86 | int null_following_name; | |
87 | int color; | |
88 | int max_depth; | |
89 | int funcname; | |
90 | char color_context[COLOR_MAXLEN]; | |
91 | char color_filename[COLOR_MAXLEN]; | |
92 | char color_function[COLOR_MAXLEN]; | |
93 | char color_lineno[COLOR_MAXLEN]; | |
94 | char color_match[COLOR_MAXLEN]; | |
95 | char color_selected[COLOR_MAXLEN]; | |
96 | char color_sep[COLOR_MAXLEN]; | |
97 | int regflags; | |
98 | unsigned pre_context; | |
99 | unsigned post_context; | |
100 | unsigned last_shown; | |
101 | int show_hunk_mark; | |
102 | void *priv; | |
103 | ||
104 | void (*output)(struct grep_opt *opt, const void *data, size_t size); | |
105 | void *output_priv; | |
106 | }; | |
107 | ||
108 | extern void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t); | |
109 | extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t); | |
110 | extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *); | |
111 | extern void compile_grep_patterns(struct grep_opt *opt); | |
112 | extern void free_grep_patterns(struct grep_opt *opt); | |
113 | extern int grep_buffer(struct grep_opt *opt, const char *name, char *buf, unsigned long size); | |
114 | ||
115 | extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt); | |
116 | extern int grep_threads_ok(const struct grep_opt *opt); | |
117 | ||
118 | #endif |