git/grep.h

#ifndef GREP_H
#define GREP_H
#include "color.h"
#ifdef USE_LIBPCRE2
#define PCRE2_CODE_UNIT_WIDTH …
#include <pcre2.h>
#if (PCRE2_MAJOR >= 10 && PCRE2_MINOR >= 36) || PCRE2_MAJOR >= 11
#define GIT_PCRE2_VERSION_10_36_OR_HIGHER
#endif
#if (PCRE2_MAJOR >= 10 && PCRE2_MINOR >= 35) || PCRE2_MAJOR >= 11
#define GIT_PCRE2_VERSION_10_35_OR_HIGHER
#endif
#if (PCRE2_MAJOR >= 10 && PCRE2_MINOR >= 34) || PCRE2_MAJOR >= 11
#define GIT_PCRE2_VERSION_10_34_OR_HIGHER
#endif
#else
pcre2_code;
pcre2_match_data;
pcre2_compile_context;
pcre2_general_context;
#endif
#ifndef PCRE2_MATCH_INVALID_UTF
/* PCRE2_MATCH_* dummy also with !USE_LIBPCRE2, for test-pcre2-config.c */
#define PCRE2_MATCH_INVALID_UTF …
#endif
#include "thread-utils.h"
#include "userdiff.h"

struct repository;

enum grep_pat_token { … };

enum grep_context { … };

enum grep_header_field { … };

enum grep_color { … };

struct grep_pat { … };

enum grep_expr_node { … };

enum grep_pattern_type { … };

struct grep_expr { … };

struct grep_opt { … };

#define GREP_OPT_INIT …

struct config_context;
int grep_config(const char *var, const char *value,
		const struct config_context *ctx, void *data);
void grep_init(struct grep_opt *, struct repository *repo);

void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t);
void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
void compile_grep_patterns(struct grep_opt *opt);
void free_grep_patterns(struct grep_opt *opt);
int grep_buffer(struct grep_opt *opt, const char *buf, unsigned long size);

/* The field parameter is only used to filter header patterns
 * (where appropriate). If filtering isn't desirable
 * GREP_HEADER_FIELD_MAX should be supplied.
 */
int grep_next_match(struct grep_opt *opt,
		    const char *bol, const char *eol,
		    enum grep_context ctx, regmatch_t *pmatch,
		    enum grep_header_field field, int eflags);

struct grep_source { … };

void grep_source_init_file(struct grep_source *gs, const char *name,
			   const char *path);
void grep_source_init_oid(struct grep_source *gs, const char *name,
			  const char *path, const struct object_id *oid,
			  struct repository *repo);
void grep_source_clear_data(struct grep_source *gs);
void grep_source_clear(struct grep_source *gs);
void grep_source_load_driver(struct grep_source *gs,
			     struct index_state *istate);


int grep_source(struct grep_opt *opt, struct grep_source *gs);

struct grep_opt *grep_opt_dup(const struct grep_opt *opt);

/*
 * Mutex used around access to the attributes machinery if
 * opt->use_threads.  Must be initialized/destroyed by callers!
 */
extern int grep_use_locks;
extern pthread_mutex_t grep_attr_mutex;

#endif