Win32: sync Unicode console output and file system
[git/dscho.git] / grep.h
blobc256ac6e15b22e153623ae3395fb6ffc732b20b9
1 #ifndef GREP_H
2 #define GREP_H
3 #include "color.h"
4 #ifdef USE_LIBPCRE
5 #include <pcre.h>
6 #else
7 typedef int pcre;
8 typedef int pcre_extra;
9 #endif
10 #include "kwset.h"
11 #include "thread-utils.h"
12 #include "userdiff.h"
14 enum grep_pat_token {
15 GREP_PATTERN,
16 GREP_PATTERN_HEAD,
17 GREP_PATTERN_BODY,
18 GREP_AND,
19 GREP_OPEN_PAREN,
20 GREP_CLOSE_PAREN,
21 GREP_NOT,
22 GREP_OR
25 enum grep_context {
26 GREP_CONTEXT_HEAD,
27 GREP_CONTEXT_BODY
30 enum grep_header_field {
31 GREP_HEADER_AUTHOR = 0,
32 GREP_HEADER_COMMITTER,
33 GREP_HEADER_REFLOG,
35 /* Must be at the end of the enum */
36 GREP_HEADER_FIELD_MAX
39 struct grep_pat {
40 struct grep_pat *next;
41 const char *origin;
42 int no;
43 enum grep_pat_token token;
44 char *pattern;
45 size_t patternlen;
46 enum grep_header_field field;
47 regex_t regexp;
48 pcre *pcre_regexp;
49 pcre_extra *pcre_extra_info;
50 kwset_t kws;
51 unsigned fixed:1;
52 unsigned ignore_case:1;
53 unsigned word_regexp:1;
56 enum grep_expr_node {
57 GREP_NODE_ATOM,
58 GREP_NODE_NOT,
59 GREP_NODE_AND,
60 GREP_NODE_TRUE,
61 GREP_NODE_OR
64 enum grep_pattern_type {
65 GREP_PATTERN_TYPE_UNSPECIFIED = 0,
66 GREP_PATTERN_TYPE_BRE,
67 GREP_PATTERN_TYPE_ERE,
68 GREP_PATTERN_TYPE_FIXED,
69 GREP_PATTERN_TYPE_PCRE
72 struct grep_expr {
73 enum grep_expr_node node;
74 unsigned hit;
75 union {
76 struct grep_pat *atom;
77 struct grep_expr *unary;
78 struct {
79 struct grep_expr *left;
80 struct grep_expr *right;
81 } binary;
82 } u;
85 struct grep_opt {
86 struct grep_pat *pattern_list;
87 struct grep_pat **pattern_tail;
88 struct grep_pat *header_list;
89 struct grep_pat **header_tail;
90 struct grep_expr *pattern_expression;
91 const char *prefix;
92 int prefix_length;
93 regex_t regexp;
94 int linenum;
95 int invert;
96 int ignore_case;
97 int status_only;
98 int name_only;
99 int unmatch_name_only;
100 int count;
101 int word_regexp;
102 int fixed;
103 int all_match;
104 int debug;
105 #define GREP_BINARY_DEFAULT 0
106 #define GREP_BINARY_NOMATCH 1
107 #define GREP_BINARY_TEXT 2
108 int binary;
109 int extended;
110 int use_reflog_filter;
111 int pcre;
112 int relative;
113 int pathname;
114 int null_following_name;
115 int color;
116 int max_depth;
117 int funcname;
118 int funcbody;
119 int extended_regexp_option;
120 int pattern_type_option;
121 char color_context[COLOR_MAXLEN];
122 char color_filename[COLOR_MAXLEN];
123 char color_function[COLOR_MAXLEN];
124 char color_lineno[COLOR_MAXLEN];
125 char color_match[COLOR_MAXLEN];
126 char color_selected[COLOR_MAXLEN];
127 char color_sep[COLOR_MAXLEN];
128 int regflags;
129 unsigned pre_context;
130 unsigned post_context;
131 unsigned last_shown;
132 int show_hunk_mark;
133 int file_break;
134 int heading;
135 void *priv;
137 void (*output)(struct grep_opt *opt, const void *data, size_t size);
138 void *output_priv;
141 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);
142 extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
143 extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
144 extern void compile_grep_patterns(struct grep_opt *opt);
145 extern void free_grep_patterns(struct grep_opt *opt);
146 extern int grep_buffer(struct grep_opt *opt, char *buf, unsigned long size);
148 struct grep_source {
149 char *name;
151 enum grep_source_type {
152 GREP_SOURCE_SHA1,
153 GREP_SOURCE_FILE,
154 GREP_SOURCE_BUF,
155 } type;
156 void *identifier;
158 char *buf;
159 unsigned long size;
161 struct userdiff_driver *driver;
164 void grep_source_init(struct grep_source *gs, enum grep_source_type type,
165 const char *name, const void *identifier);
166 void grep_source_clear_data(struct grep_source *gs);
167 void grep_source_clear(struct grep_source *gs);
168 void grep_source_load_driver(struct grep_source *gs);
171 int grep_source(struct grep_opt *opt, struct grep_source *gs);
173 extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt);
174 extern int grep_threads_ok(const struct grep_opt *opt);
176 #ifndef NO_PTHREADS
178 * Mutex used around access to the attributes machinery if
179 * opt->use_threads. Must be initialized/destroyed by callers!
181 extern int grep_use_locks;
182 extern pthread_mutex_t grep_attr_mutex;
183 extern pthread_mutex_t grep_read_mutex;
185 static inline void grep_read_lock(void)
187 if (grep_use_locks)
188 pthread_mutex_lock(&grep_read_mutex);
191 static inline void grep_read_unlock(void)
193 if (grep_use_locks)
194 pthread_mutex_unlock(&grep_read_mutex);
197 #else
198 #define grep_read_lock()
199 #define grep_read_unlock()
200 #endif
202 #endif