Andrew's git - gitweb.git/blob

   1#ifndef GREP_H
   2#define GREP_H
   3#include "color.h"
   4#ifdef USE_LIBPCRE
   5#include <pcre.h>
   6#else
   7typedef int pcre;
   8typedef int pcre_extra;
   9#endif
  10
  11enum grep_pat_token {
  12        GREP_PATTERN,
  13        GREP_PATTERN_HEAD,
  14        GREP_PATTERN_BODY,
  15        GREP_AND,
  16        GREP_OPEN_PAREN,
  17        GREP_CLOSE_PAREN,
  18        GREP_NOT,
  19        GREP_OR
  20};
  21
  22enum grep_context {
  23        GREP_CONTEXT_HEAD,
  24        GREP_CONTEXT_BODY
  25};
  26
  27enum grep_header_field {
  28        GREP_HEADER_AUTHOR = 0,
  29        GREP_HEADER_COMMITTER
  30};
  31#define GREP_HEADER_FIELD_MAX (GREP_HEADER_COMMITTER + 1)
  32
  33struct grep_pat {
  34        struct grep_pat *next;
  35        const char *origin;
  36        int no;
  37        enum grep_pat_token token;
  38        const char *pattern;
  39        size_t patternlen;
  40        enum grep_header_field field;
  41        regex_t regexp;
  42        pcre *pcre_regexp;
  43        pcre_extra *pcre_extra_info;
  44        unsigned fixed:1;
  45        unsigned ignore_case:1;
  46        unsigned word_regexp:1;
  47};
  48
  49enum grep_expr_node {
  50        GREP_NODE_ATOM,
  51        GREP_NODE_NOT,
  52        GREP_NODE_AND,
  53        GREP_NODE_TRUE,
  54        GREP_NODE_OR
  55};
  56
  57struct grep_expr {
  58        enum grep_expr_node node;
  59        unsigned hit;
  60        union {
  61                struct grep_pat *atom;
  62                struct grep_expr *unary;
  63                struct {
  64                        struct grep_expr *left;
  65                        struct grep_expr *right;
  66                } binary;
  67        } u;
  68};
  69
  70struct grep_opt {
  71        struct grep_pat *pattern_list;
  72        struct grep_pat **pattern_tail;
  73        struct grep_pat *header_list;
  74        struct grep_pat **header_tail;
  75        struct grep_expr *pattern_expression;
  76        const char *prefix;
  77        int prefix_length;
  78        regex_t regexp;
  79        int linenum;
  80        int invert;
  81        int ignore_case;
  82        int status_only;
  83        int name_only;
  84        int unmatch_name_only;
  85        int count;
  86        int word_regexp;
  87        int fixed;
  88        int all_match;
  89#define GREP_BINARY_DEFAULT     0
  90#define GREP_BINARY_NOMATCH     1
  91#define GREP_BINARY_TEXT        2
  92        int binary;
  93        int extended;
  94        int pcre;
  95        int relative;
  96        int pathname;
  97        int null_following_name;
  98        int color;
  99        int max_depth;
 100        int funcname;
 101        char color_context[COLOR_MAXLEN];
 102        char color_filename[COLOR_MAXLEN];
 103        char color_function[COLOR_MAXLEN];
 104        char color_lineno[COLOR_MAXLEN];
 105        char color_match[COLOR_MAXLEN];
 106        char color_selected[COLOR_MAXLEN];
 107        char color_sep[COLOR_MAXLEN];
 108        int regflags;
 109        unsigned pre_context;
 110        unsigned post_context;
 111        unsigned last_shown;
 112        int show_hunk_mark;
 113        void *priv;
 114
 115        void (*output)(struct grep_opt *opt, const void *data, size_t size);
 116        void *output_priv;
 117};
 118
 119extern void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t);
 120extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
 121extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
 122extern void compile_grep_patterns(struct grep_opt *opt);
 123extern void free_grep_patterns(struct grep_opt *opt);
 124extern int grep_buffer(struct grep_opt *opt, const char *name, char *buf, unsigned long size);
 125
 126extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt);
 127extern int grep_threads_ok(const struct grep_opt *opt);
 128
 129#endif