freshlybakedca.ke
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1#ifndef GREP_H
2#define GREP_H
3#include "color.h"
4#ifdef USE_LIBPCRE2
5#define PCRE2_CODE_UNIT_WIDTH 8
6#include <pcre2.h>
7#if (PCRE2_MAJOR >= 10 && PCRE2_MINOR >= 36) || PCRE2_MAJOR >= 11
8#define GIT_PCRE2_VERSION_10_36_OR_HIGHER
9#endif
10#if (PCRE2_MAJOR >= 10 && PCRE2_MINOR >= 35) || PCRE2_MAJOR >= 11
11#define GIT_PCRE2_VERSION_10_35_OR_HIGHER
12#endif
13#if (PCRE2_MAJOR >= 10 && PCRE2_MINOR >= 34) || PCRE2_MAJOR >= 11
14#define GIT_PCRE2_VERSION_10_34_OR_HIGHER
15#endif
16#else
17typedef int pcre2_code;
18typedef int pcre2_match_data;
19typedef int pcre2_compile_context;
20typedef int pcre2_general_context;
21#endif
22#ifndef PCRE2_MATCH_INVALID_UTF
23/* PCRE2_MATCH_* dummy also with !USE_LIBPCRE2, for test-pcre2-config.c */
24#define PCRE2_MATCH_INVALID_UTF 0
25#endif
26#include "thread-utils.h"
27#include "userdiff.h"
28
29struct repository;
30
31enum grep_pat_token {
32 GREP_PATTERN,
33 GREP_PATTERN_HEAD,
34 GREP_PATTERN_BODY,
35 GREP_AND,
36 GREP_OPEN_PAREN,
37 GREP_CLOSE_PAREN,
38 GREP_NOT,
39 GREP_OR
40};
41
42enum grep_context {
43 GREP_CONTEXT_HEAD,
44 GREP_CONTEXT_BODY
45};
46
47enum grep_header_field {
48 GREP_HEADER_FIELD_MIN = 0,
49 GREP_HEADER_AUTHOR = GREP_HEADER_FIELD_MIN,
50 GREP_HEADER_COMMITTER,
51 GREP_HEADER_REFLOG,
52
53 /* Must be at the end of the enum */
54 GREP_HEADER_FIELD_MAX
55};
56
57enum grep_color {
58 GREP_COLOR_CONTEXT,
59 GREP_COLOR_FILENAME,
60 GREP_COLOR_FUNCTION,
61 GREP_COLOR_LINENO,
62 GREP_COLOR_COLUMNNO,
63 GREP_COLOR_MATCH_CONTEXT,
64 GREP_COLOR_MATCH_SELECTED,
65 GREP_COLOR_SELECTED,
66 GREP_COLOR_SEP,
67 NR_GREP_COLORS
68};
69
70struct grep_pat {
71 struct grep_pat *next;
72 const char *origin;
73 int no;
74 enum grep_pat_token token;
75 char *pattern;
76 size_t patternlen;
77 enum grep_header_field field;
78 regex_t regexp;
79 pcre2_code *pcre2_pattern;
80 pcre2_match_data *pcre2_match_data;
81 pcre2_compile_context *pcre2_compile_context;
82 pcre2_general_context *pcre2_general_context;
83 const uint8_t *pcre2_tables;
84 uint32_t pcre2_jit_on;
85 unsigned fixed:1;
86 unsigned is_fixed:1;
87 unsigned ignore_case:1;
88 unsigned word_regexp:1;
89};
90
91enum grep_expr_node {
92 GREP_NODE_ATOM,
93 GREP_NODE_NOT,
94 GREP_NODE_AND,
95 GREP_NODE_TRUE,
96 GREP_NODE_OR
97};
98
99enum grep_pattern_type {
100 GREP_PATTERN_TYPE_UNSPECIFIED = 0,
101 GREP_PATTERN_TYPE_BRE,
102 GREP_PATTERN_TYPE_ERE,
103 GREP_PATTERN_TYPE_FIXED,
104 GREP_PATTERN_TYPE_PCRE
105};
106
107struct grep_expr {
108 enum grep_expr_node node;
109 unsigned hit;
110 union {
111 struct grep_pat *atom;
112 struct grep_expr *unary;
113 struct {
114 struct grep_expr *left;
115 struct grep_expr *right;
116 } binary;
117 } u;
118};
119
120struct grep_opt {
121 struct grep_pat *pattern_list;
122 struct grep_pat **pattern_tail;
123 struct grep_pat *header_list;
124 struct grep_pat **header_tail;
125 struct grep_expr *pattern_expression;
126
127 /*
128 * NEEDSWORK: See if we can remove this field, because the repository
129 * should probably be per-source. That is, grep.c functions using this
130 * field should probably start using "repo" in "struct grep_source"
131 * instead.
132 *
133 * This is potentially the cause of at least one bug - "git grep"
134 * using the textconv attributes from the superproject on the
135 * submodules. See the failing "git grep --textconv" tests in
136 * t7814-grep-recurse-submodules.sh for more information.
137 */
138 struct repository *repo;
139
140 int linenum;
141 int columnnum;
142 int invert;
143 int ignore_case;
144 int status_only;
145 int name_only;
146 int unmatch_name_only;
147 int count;
148 int word_regexp;
149 int all_match;
150 int no_body_match;
151 int body_hit;
152#define GREP_BINARY_DEFAULT 0
153#define GREP_BINARY_NOMATCH 1
154#define GREP_BINARY_TEXT 2
155 int binary;
156 int allow_textconv;
157 int use_reflog_filter;
158 int relative;
159 int pathname;
160 int null_following_name;
161 int only_matching;
162 enum git_colorbool color;
163 int max_depth;
164 int funcname;
165 int funcbody;
166 int extended_regexp_option;
167 enum grep_pattern_type pattern_type_option;
168 int ignore_locale;
169 char colors[NR_GREP_COLORS][COLOR_MAXLEN];
170 unsigned pre_context;
171 unsigned post_context;
172 unsigned last_shown;
173 int show_hunk_mark;
174 int file_break;
175 int heading;
176 int max_count;
177 void *priv;
178
179 void (*output)(struct grep_opt *opt, const void *data, size_t size);
180 void *output_priv;
181};
182
183#define GREP_OPT_INIT { \
184 .relative = 1, \
185 .pathname = 1, \
186 .max_depth = -1, \
187 .max_count = -1, \
188 .pattern_type_option = GREP_PATTERN_TYPE_UNSPECIFIED, \
189 .colors = { \
190 [GREP_COLOR_CONTEXT] = "", \
191 [GREP_COLOR_FILENAME] = GIT_COLOR_MAGENTA, \
192 [GREP_COLOR_FUNCTION] = "", \
193 [GREP_COLOR_LINENO] = GIT_COLOR_GREEN, \
194 [GREP_COLOR_COLUMNNO] = GIT_COLOR_GREEN, \
195 [GREP_COLOR_MATCH_CONTEXT] = GIT_COLOR_BOLD_RED, \
196 [GREP_COLOR_MATCH_SELECTED] = GIT_COLOR_BOLD_RED, \
197 [GREP_COLOR_SELECTED] = "", \
198 [GREP_COLOR_SEP] = GIT_COLOR_CYAN, \
199 }, \
200 .only_matching = 0, \
201 .color = GIT_COLOR_UNKNOWN, \
202 .output = std_output, \
203}
204
205struct config_context;
206int grep_config(const char *var, const char *value,
207 const struct config_context *ctx, void *data);
208void grep_init(struct grep_opt *, struct repository *repo);
209
210void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t);
211void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
212void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
213void compile_grep_patterns(struct grep_opt *opt);
214void free_grep_patterns(struct grep_opt *opt);
215int grep_buffer(struct grep_opt *opt, const char *buf, unsigned long size);
216
217/* The field parameter is only used to filter header patterns
218 * (where appropriate). If filtering isn't desirable
219 * GREP_HEADER_FIELD_MAX should be supplied.
220 */
221int grep_next_match(struct grep_opt *opt,
222 const char *bol, const char *eol,
223 enum grep_context ctx, regmatch_t *pmatch,
224 enum grep_header_field field, int eflags);
225
226struct grep_source {
227 char *name;
228
229 enum grep_source_type {
230 GREP_SOURCE_OID,
231 GREP_SOURCE_FILE,
232 GREP_SOURCE_BUF,
233 } type;
234 void *identifier;
235 struct repository *repo; /* if GREP_SOURCE_OID */
236
237 const char *buf;
238 unsigned long size;
239
240 char *path; /* for attribute lookups */
241 struct userdiff_driver *driver;
242};
243
244void grep_source_init_file(struct grep_source *gs, const char *name,
245 const char *path);
246void grep_source_init_oid(struct grep_source *gs, const char *name,
247 const char *path, const struct object_id *oid,
248 struct repository *repo);
249void grep_source_clear_data(struct grep_source *gs);
250void grep_source_clear(struct grep_source *gs);
251void grep_source_load_driver(struct grep_source *gs,
252 struct index_state *istate);
253
254
255int grep_source(struct grep_opt *opt, struct grep_source *gs);
256
257struct grep_opt *grep_opt_dup(const struct grep_opt *opt);
258
259/*
260 * Mutex used around access to the attributes machinery if
261 * opt->use_threads. Must be initialized/destroyed by callers!
262 */
263extern int grep_use_locks;
264extern pthread_mutex_t grep_attr_mutex;
265
266#endif