Andrew's git - gitweb.git/blob

   1#ifndef GREP_H
   2#define GREP_H
   3#include "color.h"
   4
   5enum 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
  16enum grep_context {
  17        GREP_CONTEXT_HEAD,
  18        GREP_CONTEXT_BODY
  19};
  20
  21enum grep_header_field {
  22        GREP_HEADER_AUTHOR = 0,
  23        GREP_HEADER_COMMITTER
  24};
  25
  26struct 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        size_t patternlen;
  33        enum grep_header_field field;
  34        regex_t regexp;
  35        unsigned fixed:1;
  36        unsigned ignore_case:1;
  37        unsigned word_regexp:1;
  38};
  39
  40enum grep_expr_node {
  41        GREP_NODE_ATOM,
  42        GREP_NODE_NOT,
  43        GREP_NODE_AND,
  44        GREP_NODE_OR
  45};
  46
  47struct grep_expr {
  48        enum grep_expr_node node;
  49        unsigned hit;
  50        union {
  51                struct grep_pat *atom;
  52                struct grep_expr *unary;
  53                struct {
  54                        struct grep_expr *left;
  55                        struct grep_expr *right;
  56                } binary;
  57        } u;
  58};
  59
  60struct grep_opt {
  61        struct grep_pat *pattern_list;
  62        struct grep_pat **pattern_tail;
  63        struct grep_pat *header_list;
  64        struct grep_pat **header_tail;
  65        struct grep_expr *pattern_expression;
  66        const char *prefix;
  67        int prefix_length;
  68        regex_t regexp;
  69        int linenum;
  70        int invert;
  71        int ignore_case;
  72        int status_only;
  73        int name_only;
  74        int unmatch_name_only;
  75        int count;
  76        int word_regexp;
  77        int fixed;
  78        int all_match;
  79#define GREP_BINARY_DEFAULT     0
  80#define GREP_BINARY_NOMATCH     1
  81#define GREP_BINARY_TEXT        2
  82        int binary;
  83        int extended;
  84        int relative;
  85        int pathname;
  86        int null_following_name;
  87        int color;
  88        int max_depth;
  89        int funcname;
  90        char color_context[COLOR_MAXLEN];
  91        char color_filename[COLOR_MAXLEN];
  92        char color_function[COLOR_MAXLEN];
  93        char color_lineno[COLOR_MAXLEN];
  94        char color_match[COLOR_MAXLEN];
  95        char color_selected[COLOR_MAXLEN];
  96        char color_sep[COLOR_MAXLEN];
  97        int regflags;
  98        unsigned pre_context;
  99        unsigned post_context;
 100        unsigned last_shown;
 101        int show_hunk_mark;
 102        void *priv;
 103
 104        void (*output)(struct grep_opt *opt, const void *data, size_t size);
 105        void *output_priv;
 106};
 107
 108extern void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t);
 109extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
 110extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
 111extern void compile_grep_patterns(struct grep_opt *opt);
 112extern void free_grep_patterns(struct grep_opt *opt);
 113extern int grep_buffer(struct grep_opt *opt, const char *name, char *buf, unsigned long size);
 114
 115extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt);
 116extern int grep_threads_ok(const struct grep_opt *opt);
 117
 118#endif