diff: avoid useless filespec population
[git/mjg.git] / grep.h
blob89342e5b47f6d63dd546e738e4cbf023c447b382
1 #ifndef GREP_H
2 #define GREP_H
3 #include "color.h"
5 enum grep_pat_token {
6 GREP_PATTERN,
7 GREP_PATTERN_HEAD,
8 GREP_PATTERN_BODY,
9 GREP_AND,
10 GREP_OPEN_PAREN,
11 GREP_CLOSE_PAREN,
12 GREP_NOT,
13 GREP_OR,
16 enum grep_context {
17 GREP_CONTEXT_HEAD,
18 GREP_CONTEXT_BODY,
21 enum grep_header_field {
22 GREP_HEADER_AUTHOR = 0,
23 GREP_HEADER_COMMITTER,
26 struct grep_pat {
27 struct grep_pat *next;
28 const char *origin;
29 int no;
30 enum grep_pat_token token;
31 const char *pattern;
32 enum grep_header_field field;
33 regex_t regexp;
34 unsigned fixed:1;
35 unsigned ignore_case:1;
36 unsigned word_regexp:1;
39 enum grep_expr_node {
40 GREP_NODE_ATOM,
41 GREP_NODE_NOT,
42 GREP_NODE_AND,
43 GREP_NODE_OR,
46 struct grep_expr {
47 enum grep_expr_node node;
48 unsigned hit;
49 union {
50 struct grep_pat *atom;
51 struct grep_expr *unary;
52 struct {
53 struct grep_expr *left;
54 struct grep_expr *right;
55 } binary;
56 } u;
59 struct grep_opt {
60 struct grep_pat *pattern_list;
61 struct grep_pat **pattern_tail;
62 struct grep_pat *header_list;
63 struct grep_pat **header_tail;
64 struct grep_expr *pattern_expression;
65 const char *prefix;
66 int prefix_length;
67 regex_t regexp;
68 int linenum;
69 int invert;
70 int ignore_case;
71 int status_only;
72 int name_only;
73 int unmatch_name_only;
74 int count;
75 int word_regexp;
76 int fixed;
77 int all_match;
78 #define GREP_BINARY_DEFAULT 0
79 #define GREP_BINARY_NOMATCH 1
80 #define GREP_BINARY_TEXT 2
81 int binary;
82 int extended;
83 int relative;
84 int pathname;
85 int null_following_name;
86 int color;
87 int max_depth;
88 int funcname;
89 char color_context[COLOR_MAXLEN];
90 char color_filename[COLOR_MAXLEN];
91 char color_function[COLOR_MAXLEN];
92 char color_lineno[COLOR_MAXLEN];
93 char color_match[COLOR_MAXLEN];
94 char color_selected[COLOR_MAXLEN];
95 char color_sep[COLOR_MAXLEN];
96 int regflags;
97 unsigned pre_context;
98 unsigned post_context;
99 unsigned last_shown;
100 int show_hunk_mark;
101 void *priv;
103 void (*output)(struct grep_opt *opt, const void *data, size_t size);
104 void *output_priv;
107 extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
108 extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
109 extern void compile_grep_patterns(struct grep_opt *opt);
110 extern void free_grep_patterns(struct grep_opt *opt);
111 extern int grep_buffer(struct grep_opt *opt, const char *name, char *buf, unsigned long size);
113 extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt);
114 extern int grep_threads_ok(const struct grep_opt *opt);
116 #endif