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Commit | Line | Data |
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83b5d2f5 JH |
1 | #ifndef GREP_H |
2 | #define GREP_H | |
3 | ||
4 | enum grep_pat_token { | |
5 | GREP_PATTERN, | |
480c1ca6 JH |
6 | GREP_PATTERN_HEAD, |
7 | GREP_PATTERN_BODY, | |
83b5d2f5 JH |
8 | GREP_AND, |
9 | GREP_OPEN_PAREN, | |
10 | GREP_CLOSE_PAREN, | |
11 | GREP_NOT, | |
12 | GREP_OR, | |
13 | }; | |
14 | ||
480c1ca6 JH |
15 | enum grep_context { |
16 | GREP_CONTEXT_HEAD, | |
17 | GREP_CONTEXT_BODY, | |
18 | }; | |
19 | ||
a4d7d2c6 JH |
20 | enum grep_header_field { |
21 | GREP_HEADER_AUTHOR = 0, | |
22 | GREP_HEADER_COMMITTER, | |
23 | }; | |
24 | ||
83b5d2f5 JH |
25 | struct grep_pat { |
26 | struct grep_pat *next; | |
27 | const char *origin; | |
28 | int no; | |
29 | enum grep_pat_token token; | |
30 | const char *pattern; | |
a4d7d2c6 | 31 | enum grep_header_field field; |
83b5d2f5 JH |
32 | regex_t regexp; |
33 | }; | |
34 | ||
35 | enum grep_expr_node { | |
36 | GREP_NODE_ATOM, | |
37 | GREP_NODE_NOT, | |
38 | GREP_NODE_AND, | |
39 | GREP_NODE_OR, | |
40 | }; | |
41 | ||
42 | struct grep_expr { | |
43 | enum grep_expr_node node; | |
0ab7befa | 44 | unsigned hit; |
83b5d2f5 JH |
45 | union { |
46 | struct grep_pat *atom; | |
47 | struct grep_expr *unary; | |
48 | struct { | |
49 | struct grep_expr *left; | |
50 | struct grep_expr *right; | |
51 | } binary; | |
52 | } u; | |
53 | }; | |
54 | ||
55 | struct grep_opt { | |
56 | struct grep_pat *pattern_list; | |
57 | struct grep_pat **pattern_tail; | |
58 | struct grep_expr *pattern_expression; | |
59 | int prefix_length; | |
60 | regex_t regexp; | |
61 | unsigned linenum:1; | |
62 | unsigned invert:1; | |
63 | unsigned status_only:1; | |
64 | unsigned name_only:1; | |
65 | unsigned unmatch_name_only:1; | |
66 | unsigned count:1; | |
67 | unsigned word_regexp:1; | |
68 | unsigned fixed:1; | |
0ab7befa | 69 | unsigned all_match:1; |
83b5d2f5 JH |
70 | #define GREP_BINARY_DEFAULT 0 |
71 | #define GREP_BINARY_NOMATCH 1 | |
72 | #define GREP_BINARY_TEXT 2 | |
73 | unsigned binary:2; | |
74 | unsigned extended:1; | |
75 | unsigned relative:1; | |
76 | unsigned pathname:1; | |
77 | int regflags; | |
78 | unsigned pre_context; | |
79 | unsigned post_context; | |
80 | }; | |
81 | ||
82 | extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t); | |
a4d7d2c6 | 83 | extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *); |
83b5d2f5 | 84 | extern void compile_grep_patterns(struct grep_opt *opt); |
b48fb5b6 | 85 | extern void free_grep_patterns(struct grep_opt *opt); |
83b5d2f5 JH |
86 | extern int grep_buffer(struct grep_opt *opt, const char *name, char *buf, unsigned long size); |
87 | ||
88 | #endif |