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83b5d2f5 JH |
1 | #ifndef GREP_H |
2 | #define GREP_H | |
7e8f59d5 | 3 | #include "color.h" |
63e7e9d8 MK |
4 | #ifdef USE_LIBPCRE |
5 | #include <pcre.h> | |
6 | #else | |
7 | typedef int pcre; | |
8 | typedef int pcre_extra; | |
9 | #endif | |
9eceddee | 10 | #include "kwset.h" |
0579f91d | 11 | #include "thread-utils.h" |
94ad9d9e | 12 | #include "userdiff.h" |
83b5d2f5 JH |
13 | |
14 | enum grep_pat_token { | |
15 | GREP_PATTERN, | |
480c1ca6 JH |
16 | GREP_PATTERN_HEAD, |
17 | GREP_PATTERN_BODY, | |
83b5d2f5 JH |
18 | GREP_AND, |
19 | GREP_OPEN_PAREN, | |
20 | GREP_CLOSE_PAREN, | |
21 | GREP_NOT, | |
4b05548f | 22 | GREP_OR |
83b5d2f5 JH |
23 | }; |
24 | ||
480c1ca6 JH |
25 | enum grep_context { |
26 | GREP_CONTEXT_HEAD, | |
4b05548f | 27 | GREP_CONTEXT_BODY |
480c1ca6 JH |
28 | }; |
29 | ||
a4d7d2c6 JH |
30 | enum grep_header_field { |
31 | GREP_HEADER_AUTHOR = 0, | |
4b05548f | 32 | GREP_HEADER_COMMITTER |
a4d7d2c6 | 33 | }; |
5aaeb733 | 34 | #define GREP_HEADER_FIELD_MAX (GREP_HEADER_COMMITTER + 1) |
a4d7d2c6 | 35 | |
83b5d2f5 JH |
36 | struct grep_pat { |
37 | struct grep_pat *next; | |
38 | const char *origin; | |
39 | int no; | |
40 | enum grep_pat_token token; | |
526a858a | 41 | char *pattern; |
ed40a095 | 42 | size_t patternlen; |
a4d7d2c6 | 43 | enum grep_header_field field; |
83b5d2f5 | 44 | regex_t regexp; |
63e7e9d8 MK |
45 | pcre *pcre_regexp; |
46 | pcre_extra *pcre_extra_info; | |
9eceddee | 47 | kwset_t kws; |
c822255c | 48 | unsigned fixed:1; |
5183bf67 | 49 | unsigned ignore_case:1; |
d7eb527d | 50 | unsigned word_regexp:1; |
83b5d2f5 JH |
51 | }; |
52 | ||
53 | enum grep_expr_node { | |
54 | GREP_NODE_ATOM, | |
55 | GREP_NODE_NOT, | |
56 | GREP_NODE_AND, | |
5aaeb733 | 57 | GREP_NODE_TRUE, |
4b05548f | 58 | GREP_NODE_OR |
83b5d2f5 JH |
59 | }; |
60 | ||
84befcd0 S |
61 | enum grep_pattern_type { |
62 | GREP_PATTERN_TYPE_UNSPECIFIED = 0, | |
63 | GREP_PATTERN_TYPE_BRE, | |
64 | GREP_PATTERN_TYPE_ERE, | |
65 | GREP_PATTERN_TYPE_FIXED, | |
66 | GREP_PATTERN_TYPE_PCRE | |
67 | }; | |
68 | ||
83b5d2f5 JH |
69 | struct grep_expr { |
70 | enum grep_expr_node node; | |
0ab7befa | 71 | unsigned hit; |
83b5d2f5 JH |
72 | union { |
73 | struct grep_pat *atom; | |
74 | struct grep_expr *unary; | |
75 | struct { | |
76 | struct grep_expr *left; | |
77 | struct grep_expr *right; | |
78 | } binary; | |
79 | } u; | |
80 | }; | |
81 | ||
82 | struct grep_opt { | |
83 | struct grep_pat *pattern_list; | |
84 | struct grep_pat **pattern_tail; | |
80235ba7 JH |
85 | struct grep_pat *header_list; |
86 | struct grep_pat **header_tail; | |
83b5d2f5 | 87 | struct grep_expr *pattern_expression; |
493b7a08 | 88 | const char *prefix; |
83b5d2f5 JH |
89 | int prefix_length; |
90 | regex_t regexp; | |
3e230fa1 RS |
91 | int linenum; |
92 | int invert; | |
5183bf67 | 93 | int ignore_case; |
3e230fa1 RS |
94 | int status_only; |
95 | int name_only; | |
96 | int unmatch_name_only; | |
97 | int count; | |
98 | int word_regexp; | |
99 | int fixed; | |
100 | int all_match; | |
17bf35a3 | 101 | int debug; |
83b5d2f5 JH |
102 | #define GREP_BINARY_DEFAULT 0 |
103 | #define GREP_BINARY_NOMATCH 1 | |
104 | #define GREP_BINARY_TEXT 2 | |
3e230fa1 RS |
105 | int binary; |
106 | int extended; | |
63e7e9d8 | 107 | int pcre; |
3e230fa1 RS |
108 | int relative; |
109 | int pathname; | |
110 | int null_following_name; | |
7e8f59d5 | 111 | int color; |
a91f453f | 112 | int max_depth; |
2944e4e6 | 113 | int funcname; |
ba8ea749 | 114 | int funcbody; |
84befcd0 S |
115 | int extended_regexp_option; |
116 | int pattern_type_option; | |
00588bb5 | 117 | char color_context[COLOR_MAXLEN]; |
55f638bd | 118 | char color_filename[COLOR_MAXLEN]; |
00588bb5 | 119 | char color_function[COLOR_MAXLEN]; |
55f638bd | 120 | char color_lineno[COLOR_MAXLEN]; |
7e8f59d5 | 121 | char color_match[COLOR_MAXLEN]; |
00588bb5 | 122 | char color_selected[COLOR_MAXLEN]; |
55f638bd | 123 | char color_sep[COLOR_MAXLEN]; |
83b5d2f5 JH |
124 | int regflags; |
125 | unsigned pre_context; | |
126 | unsigned post_context; | |
5dd06d38 | 127 | unsigned last_shown; |
046802d0 | 128 | int show_hunk_mark; |
a8f0e764 | 129 | int file_break; |
1d84f72e | 130 | int heading; |
60ecac98 | 131 | void *priv; |
5b594f45 FK |
132 | |
133 | void (*output)(struct grep_opt *opt, const void *data, size_t size); | |
134 | void *output_priv; | |
83b5d2f5 JH |
135 | }; |
136 | ||
ed40a095 | 137 | 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); |
83b5d2f5 | 138 | extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t); |
a4d7d2c6 | 139 | extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *); |
83b5d2f5 | 140 | extern void compile_grep_patterns(struct grep_opt *opt); |
b48fb5b6 | 141 | extern void free_grep_patterns(struct grep_opt *opt); |
c876d6da | 142 | extern int grep_buffer(struct grep_opt *opt, char *buf, unsigned long size); |
83b5d2f5 | 143 | |
e1327023 JK |
144 | struct grep_source { |
145 | char *name; | |
146 | ||
147 | enum grep_source_type { | |
148 | GREP_SOURCE_SHA1, | |
149 | GREP_SOURCE_FILE, | |
150 | GREP_SOURCE_BUF, | |
151 | } type; | |
152 | void *identifier; | |
153 | ||
154 | char *buf; | |
155 | unsigned long size; | |
94ad9d9e JK |
156 | |
157 | struct userdiff_driver *driver; | |
e1327023 JK |
158 | }; |
159 | ||
160 | void grep_source_init(struct grep_source *gs, enum grep_source_type type, | |
161 | const char *name, const void *identifier); | |
e1327023 JK |
162 | void grep_source_clear_data(struct grep_source *gs); |
163 | void grep_source_clear(struct grep_source *gs); | |
94ad9d9e | 164 | void grep_source_load_driver(struct grep_source *gs); |
07a7d656 | 165 | |
e1327023 JK |
166 | |
167 | int grep_source(struct grep_opt *opt, struct grep_source *gs); | |
168 | ||
5b594f45 FK |
169 | extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt); |
170 | extern int grep_threads_ok(const struct grep_opt *opt); | |
171 | ||
0579f91d TR |
172 | #ifndef NO_PTHREADS |
173 | /* | |
174 | * Mutex used around access to the attributes machinery if | |
175 | * opt->use_threads. Must be initialized/destroyed by callers! | |
176 | */ | |
78db6ea9 | 177 | extern int grep_use_locks; |
0579f91d | 178 | extern pthread_mutex_t grep_attr_mutex; |
b3aeb285 JK |
179 | extern pthread_mutex_t grep_read_mutex; |
180 | ||
181 | static inline void grep_read_lock(void) | |
182 | { | |
183 | if (grep_use_locks) | |
184 | pthread_mutex_lock(&grep_read_mutex); | |
185 | } | |
186 | ||
187 | static inline void grep_read_unlock(void) | |
188 | { | |
189 | if (grep_use_locks) | |
190 | pthread_mutex_unlock(&grep_read_mutex); | |
191 | } | |
192 | ||
193 | #else | |
194 | #define grep_read_lock() | |
195 | #define grep_read_unlock() | |
0579f91d TR |
196 | #endif |
197 | ||
83b5d2f5 | 198 | #endif |