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chromium / external / github.com / git / git / refs/tags/v2.0.0-rc0 / . / grep.h
blob: eaaced19737dfd46e718779cecadc352ff8d5f69 [file] [log] [blame]
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]1#ifndef GREP_H
2#define GREP_H
René Scharfe7e8f59d2009-03-07 12:32:32[diff] [blame]3#include "color.h"
Michał Kiedrowicz63e7e9d2011-05-09 21:52:05[diff] [blame]4#ifdef USE_LIBPCRE
5#include <pcre.h>
6#else
7typedef int pcre;
8typedef int pcre_extra;
9#endif
Fredrik Kuivinen9ecedde2011-08-20 22:42:18[diff] [blame]10#include "kwset.h"
Thomas Rast0579f912011-12-12 21:16:07[diff] [blame]11#include "thread-utils.h"
Jeff King94ad9d92012-02-02 08:20:43[diff] [blame]12#include "userdiff.h"
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]13
14enum grep_pat_token {
15 GREP_PATTERN,
Junio C Hamano480c1ca2006-09-20 19:39:46[diff] [blame]16 GREP_PATTERN_HEAD,
17 GREP_PATTERN_BODY,
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]18 GREP_AND,
19 GREP_OPEN_PAREN,
20 GREP_CLOSE_PAREN,
21 GREP_NOT,
Gary V. Vaughan4b055482010-05-14 09:31:35[diff] [blame]22 GREP_OR
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]23};
24
Junio C Hamano480c1ca2006-09-20 19:39:46[diff] [blame]25enum grep_context {
26 GREP_CONTEXT_HEAD,
Gary V. Vaughan4b055482010-05-14 09:31:35[diff] [blame]27 GREP_CONTEXT_BODY
Junio C Hamano480c1ca2006-09-20 19:39:46[diff] [blame]28};
29
Junio C Hamanoa4d7d2c2008-09-05 05:15:02[diff] [blame]30enum grep_header_field {
Antoine Pelisse3ce3ffb2013-02-03 14:37:09[diff] [blame]31 GREP_HEADER_FIELD_MIN = 0,
32 GREP_HEADER_AUTHOR = GREP_HEADER_FIELD_MIN,
Nguyễn Thái Ngọc Duyad4813b2012-09-29 04:41:27[diff] [blame]33 GREP_HEADER_COMMITTER,
Nguyễn Thái Ngọc Duy72fd13f2012-09-29 04:41:28[diff] [blame]34 GREP_HEADER_REFLOG,
Nguyễn Thái Ngọc Duyad4813b2012-09-29 04:41:27[diff] [blame]35
36 /* Must be at the end of the enum */
37 GREP_HEADER_FIELD_MAX
Junio C Hamanoa4d7d2c2008-09-05 05:15:02[diff] [blame]38};
39
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]40struct grep_pat {
41 struct grep_pat *next;
42 const char *origin;
43 int no;
44 enum grep_pat_token token;
René Scharfe526a8582012-05-20 14:33:07[diff] [blame]45 char *pattern;
René Scharfeed40a092010-05-22 21:43:43[diff] [blame]46 size_t patternlen;
Junio C Hamanoa4d7d2c2008-09-05 05:15:02[diff] [blame]47 enum grep_header_field field;
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]48 regex_t regexp;
Michał Kiedrowicz63e7e9d2011-05-09 21:52:05[diff] [blame]49 pcre *pcre_regexp;
50 pcre_extra *pcre_extra_info;
Fredrik Kuivinen9ecedde2011-08-20 22:42:18[diff] [blame]51 kwset_t kws;
René Scharfec8222552009-01-09 23:18:34[diff] [blame]52 unsigned fixed:1;
Brian Collins5183bf62009-11-06 09:22:35[diff] [blame]53 unsigned ignore_case:1;
René Scharfed7eb5272009-03-07 12:28:40[diff] [blame]54 unsigned word_regexp:1;
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]55};
56
57enum grep_expr_node {
58 GREP_NODE_ATOM,
59 GREP_NODE_NOT,
60 GREP_NODE_AND,
Junio C Hamano5aaeb732010-09-13 05:15:35[diff] [blame]61 GREP_NODE_TRUE,
Gary V. Vaughan4b055482010-05-14 09:31:35[diff] [blame]62 GREP_NODE_OR
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]63};
64
J Smith84befcd2012-08-03 14:53:50[diff] [blame]65enum grep_pattern_type {
66 GREP_PATTERN_TYPE_UNSPECIFIED = 0,
67 GREP_PATTERN_TYPE_BRE,
68 GREP_PATTERN_TYPE_ERE,
69 GREP_PATTERN_TYPE_FIXED,
70 GREP_PATTERN_TYPE_PCRE
71};
72
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]73struct grep_expr {
74 enum grep_expr_node node;
Junio C Hamano0ab7bef2006-09-28 00:50:52[diff] [blame]75 unsigned hit;
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]76 union {
77 struct grep_pat *atom;
78 struct grep_expr *unary;
79 struct {
80 struct grep_expr *left;
81 struct grep_expr *right;
82 } binary;
83 } u;
84};
85
86struct grep_opt {
87 struct grep_pat *pattern_list;
88 struct grep_pat **pattern_tail;
Junio C Hamano80235ba2010-01-18 04:09:06[diff] [blame]89 struct grep_pat *header_list;
90 struct grep_pat **header_tail;
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]91 struct grep_expr *pattern_expression;
Clemens Buchacher493b7a02009-09-05 12:31:17[diff] [blame]92 const char *prefix;
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]93 int prefix_length;
94 regex_t regexp;
René Scharfe3e230fa2009-05-07 19:46:48[diff] [blame]95 int linenum;
96 int invert;
Brian Collins5183bf62009-11-06 09:22:35[diff] [blame]97 int ignore_case;
René Scharfe3e230fa2009-05-07 19:46:48[diff] [blame]98 int status_only;
99 int name_only;
100 int unmatch_name_only;
101 int count;
102 int word_regexp;
103 int fixed;
104 int all_match;
Junio C Hamano17bf35a2012-09-13 21:21:44[diff] [blame]105 int debug;
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]106#define GREP_BINARY_DEFAULT 0
107#define GREP_BINARY_NOMATCH 1
108#define GREP_BINARY_TEXT 2
René Scharfe3e230fa2009-05-07 19:46:48[diff] [blame]109 int binary;
Jeff King335ec3b2013-05-10 15:10:15[diff] [blame]110 int allow_textconv;
René Scharfe3e230fa2009-05-07 19:46:48[diff] [blame]111 int extended;
Junio C Hamanobaa63782012-09-29 18:59:52[diff] [blame]112 int use_reflog_filter;
Michał Kiedrowicz63e7e9d2011-05-09 21:52:05[diff] [blame]113 int pcre;
René Scharfe3e230fa2009-05-07 19:46:48[diff] [blame]114 int relative;
115 int pathname;
116 int null_following_name;
René Scharfe7e8f59d2009-03-07 12:32:32[diff] [blame]117 int color;
Michał Kiedrowicza91f4532009-07-22 17:52:15[diff] [blame]118 int max_depth;
René Scharfe2944e4e2009-07-01 22:06:34[diff] [blame]119 int funcname;
René Scharfeba8ea742011-08-01 17:20:53[diff] [blame]120 int funcbody;
J Smith84befcd2012-08-03 14:53:50[diff] [blame]121 int extended_regexp_option;
122 int pattern_type_option;
Mark Lodato00588bb2010-03-07 16:52:47[diff] [blame]123 char color_context[COLOR_MAXLEN];
Mark Lodato55f638b2010-03-07 16:52:46[diff] [blame]124 char color_filename[COLOR_MAXLEN];
Mark Lodato00588bb2010-03-07 16:52:47[diff] [blame]125 char color_function[COLOR_MAXLEN];
Mark Lodato55f638b2010-03-07 16:52:46[diff] [blame]126 char color_lineno[COLOR_MAXLEN];
René Scharfe7e8f59d2009-03-07 12:32:32[diff] [blame]127 char color_match[COLOR_MAXLEN];
Mark Lodato00588bb2010-03-07 16:52:47[diff] [blame]128 char color_selected[COLOR_MAXLEN];
Mark Lodato55f638b2010-03-07 16:52:46[diff] [blame]129 char color_sep[COLOR_MAXLEN];
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]130 int regflags;
131 unsigned pre_context;
132 unsigned post_context;
René Scharfe5dd06d32009-07-01 22:02:38[diff] [blame]133 unsigned last_shown;
René Scharfe046802d2009-07-01 22:03:44[diff] [blame]134 int show_hunk_mark;
René Scharfea8f0e762011-06-05 15:24:25[diff] [blame]135 int file_break;
René Scharfe1d84f722011-06-05 15:24:36[diff] [blame]136 int heading;
René Scharfe60ecac92009-07-01 22:07:24[diff] [blame]137 void *priv;
Fredrik Kuivinen5b594f42010-01-25 22:51:39[diff] [blame]138
139 void (*output)(struct grep_opt *opt, const void *data, size_t size);
140 void *output_priv;
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]141};
142
Junio C Hamano7687a052012-10-09 23:17:50[diff] [blame]143extern void init_grep_defaults(void);
144extern int grep_config(const char *var, const char *value, void *);
145extern void grep_init(struct grep_opt *, const char *prefix);
Junio C Hamanoc5c31d32012-10-03 21:47:48[diff] [blame]146void grep_set_pattern_type_option(enum grep_pattern_type, struct grep_opt *opt);
147void grep_commit_pattern_type(enum grep_pattern_type, struct grep_opt *opt);
Junio C Hamano7687a052012-10-09 23:17:50[diff] [blame]148
René Scharfeed40a092010-05-22 21:43:43[diff] [blame]149extern void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t);
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]150extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
Junio C Hamanoa4d7d2c2008-09-05 05:15:02[diff] [blame]151extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]152extern void compile_grep_patterns(struct grep_opt *opt);
Junio C Hamanob48fb5b2006-09-27 23:27:10[diff] [blame]153extern void free_grep_patterns(struct grep_opt *opt);
Jeff Kingc876d6d2012-02-02 08:20:10[diff] [blame]154extern int grep_buffer(struct grep_opt *opt, char *buf, unsigned long size);
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]155
Jeff Kinge1327022012-02-02 08:19:28[diff] [blame]156struct grep_source {
157 char *name;
158
159 enum grep_source_type {
160 GREP_SOURCE_SHA1,
161 GREP_SOURCE_FILE,
162 GREP_SOURCE_BUF,
163 } type;
164 void *identifier;
165
166 char *buf;
167 unsigned long size;
Jeff King94ad9d92012-02-02 08:20:43[diff] [blame]168
Nguyễn Thái Ngọc Duy55c61682012-10-12 10:49:38[diff] [blame]169 char *path; /* for attribute lookups */
Jeff King94ad9d92012-02-02 08:20:43[diff] [blame]170 struct userdiff_driver *driver;
Jeff Kinge1327022012-02-02 08:19:28[diff] [blame]171};
172
173void grep_source_init(struct grep_source *gs, enum grep_source_type type,
Nguyễn Thái Ngọc Duy55c61682012-10-12 10:49:38[diff] [blame]174 const char *name, const char *path,
175 const void *identifier);
Jeff Kinge1327022012-02-02 08:19:28[diff] [blame]176void grep_source_clear_data(struct grep_source *gs);
177void grep_source_clear(struct grep_source *gs);
Jeff King94ad9d92012-02-02 08:20:43[diff] [blame]178void grep_source_load_driver(struct grep_source *gs);
Junio C Hamano07a7d652012-09-15 21:04:36[diff] [blame]179
Jeff Kinge1327022012-02-02 08:19:28[diff] [blame]180
181int grep_source(struct grep_opt *opt, struct grep_source *gs);
182
Fredrik Kuivinen5b594f42010-01-25 22:51:39[diff] [blame]183extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt);
184extern int grep_threads_ok(const struct grep_opt *opt);
185
Thomas Rast0579f912011-12-12 21:16:07[diff] [blame]186#ifndef NO_PTHREADS
187/*
188 * Mutex used around access to the attributes machinery if
189 * opt->use_threads. Must be initialized/destroyed by callers!
190 */
Jeff King78db6ea2012-02-02 08:18:29[diff] [blame]191extern int grep_use_locks;
Thomas Rast0579f912011-12-12 21:16:07[diff] [blame]192extern pthread_mutex_t grep_attr_mutex;
Jeff Kingb3aeb282012-02-02 08:18:41[diff] [blame]193extern pthread_mutex_t grep_read_mutex;
194
195static inline void grep_read_lock(void)
196{
197 if (grep_use_locks)
198 pthread_mutex_lock(&grep_read_mutex);
199}
200
201static inline void grep_read_unlock(void)
202{
203 if (grep_use_locks)
204 pthread_mutex_unlock(&grep_read_mutex);
205}
206
207#else
208#define grep_read_lock()
209#define grep_read_unlock()
Thomas Rast0579f912011-12-12 21:16:07[diff] [blame]210#endif
211
Junio C Hamano83b5d2f2006-09-17 23:02:52[diff] [blame]212#endif