grep: print context hunk marks between files
[git/git.git] / grep.h
1 #ifndef GREP_H
2 #define GREP_H
3 #include "color.h"
4
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,
14 };
15
16 enum grep_context {
17 GREP_CONTEXT_HEAD,
18 GREP_CONTEXT_BODY,
19 };
20
21 enum grep_header_field {
22 GREP_HEADER_AUTHOR = 0,
23 GREP_HEADER_COMMITTER,
24 };
25
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 word_regexp:1;
36 };
37
38 enum grep_expr_node {
39 GREP_NODE_ATOM,
40 GREP_NODE_NOT,
41 GREP_NODE_AND,
42 GREP_NODE_OR,
43 };
44
45 struct grep_expr {
46 enum grep_expr_node node;
47 unsigned hit;
48 union {
49 struct grep_pat *atom;
50 struct grep_expr *unary;
51 struct {
52 struct grep_expr *left;
53 struct grep_expr *right;
54 } binary;
55 } u;
56 };
57
58 struct grep_opt {
59 struct grep_pat *pattern_list;
60 struct grep_pat **pattern_tail;
61 struct grep_expr *pattern_expression;
62 int prefix_length;
63 regex_t regexp;
64 int linenum;
65 int invert;
66 int status_only;
67 int name_only;
68 int unmatch_name_only;
69 int count;
70 int word_regexp;
71 int fixed;
72 int all_match;
73 #define GREP_BINARY_DEFAULT 0
74 #define GREP_BINARY_NOMATCH 1
75 #define GREP_BINARY_TEXT 2
76 int binary;
77 int extended;
78 int relative;
79 int pathname;
80 int null_following_name;
81 int color;
82 char color_match[COLOR_MAXLEN];
83 const char *color_external;
84 int regflags;
85 unsigned pre_context;
86 unsigned post_context;
87 unsigned last_shown;
88 int show_hunk_mark;
89 };
90
91 extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
92 extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
93 extern void compile_grep_patterns(struct grep_opt *opt);
94 extern void free_grep_patterns(struct grep_opt *opt);
95 extern int grep_buffer(struct grep_opt *opt, const char *name, char *buf, unsigned long size);
96
97 #endif