diff options
Diffstat (limited to 'grep.h')
| -rw-r--r-- | grep.h | 143 |
1 files changed, 125 insertions, 18 deletions
@@ -1,5 +1,15 @@ #ifndef GREP_H #define GREP_H +#include "color.h" +#ifdef USE_LIBPCRE +#include <pcre.h> +#else +typedef int pcre; +typedef int pcre_extra; +#endif +#include "kwset.h" +#include "thread-utils.h" +#include "userdiff.h" enum grep_pat_token { GREP_PATTERN, @@ -9,28 +19,43 @@ enum grep_pat_token { GREP_OPEN_PAREN, GREP_CLOSE_PAREN, GREP_NOT, - GREP_OR, + GREP_OR }; enum grep_context { GREP_CONTEXT_HEAD, - GREP_CONTEXT_BODY, + GREP_CONTEXT_BODY +}; + +enum grep_header_field { + GREP_HEADER_AUTHOR = 0, + GREP_HEADER_COMMITTER }; +#define GREP_HEADER_FIELD_MAX (GREP_HEADER_COMMITTER + 1) struct grep_pat { struct grep_pat *next; const char *origin; int no; enum grep_pat_token token; - const char *pattern; + char *pattern; + size_t patternlen; + enum grep_header_field field; regex_t regexp; + pcre *pcre_regexp; + pcre_extra *pcre_extra_info; + kwset_t kws; + unsigned fixed:1; + unsigned ignore_case:1; + unsigned word_regexp:1; }; enum grep_expr_node { GREP_NODE_ATOM, GREP_NODE_NOT, GREP_NODE_AND, - GREP_NODE_OR, + GREP_NODE_TRUE, + GREP_NODE_OR }; struct grep_expr { @@ -49,33 +74,115 @@ struct grep_expr { struct grep_opt { struct grep_pat *pattern_list; struct grep_pat **pattern_tail; + struct grep_pat *header_list; + struct grep_pat **header_tail; struct grep_expr *pattern_expression; + const char *prefix; int prefix_length; regex_t regexp; - unsigned linenum:1; - unsigned invert:1; - unsigned status_only:1; - unsigned name_only:1; - unsigned unmatch_name_only:1; - unsigned count:1; - unsigned word_regexp:1; - unsigned fixed:1; - unsigned all_match:1; + int linenum; + int invert; + int ignore_case; + int status_only; + int name_only; + int unmatch_name_only; + int count; + int word_regexp; + int fixed; + int all_match; #define GREP_BINARY_DEFAULT 0 #define GREP_BINARY_NOMATCH 1 #define GREP_BINARY_TEXT 2 - unsigned binary:2; - unsigned extended:1; - unsigned relative:1; - unsigned pathname:1; + int binary; + int extended; + int pcre; + int relative; + int pathname; + int null_following_name; + int color; + int max_depth; + int funcname; + int funcbody; + char color_context[COLOR_MAXLEN]; + char color_filename[COLOR_MAXLEN]; + char color_function[COLOR_MAXLEN]; + char color_lineno[COLOR_MAXLEN]; + char color_match[COLOR_MAXLEN]; + char color_selected[COLOR_MAXLEN]; + char color_sep[COLOR_MAXLEN]; int regflags; unsigned pre_context; unsigned post_context; + unsigned last_shown; + int show_hunk_mark; + int file_break; + int heading; + void *priv; + + void (*output)(struct grep_opt *opt, const void *data, size_t size); + void *output_priv; }; +extern void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t); extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t); +extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *); extern void compile_grep_patterns(struct grep_opt *opt); extern void free_grep_patterns(struct grep_opt *opt); -extern int grep_buffer(struct grep_opt *opt, const char *name, char *buf, unsigned long size); +extern int grep_buffer(struct grep_opt *opt, char *buf, unsigned long size); + +struct grep_source { + char *name; + + enum grep_source_type { + GREP_SOURCE_SHA1, + GREP_SOURCE_FILE, + GREP_SOURCE_BUF, + } type; + void *identifier; + + char *buf; + unsigned long size; + + struct userdiff_driver *driver; +}; + +void grep_source_init(struct grep_source *gs, enum grep_source_type type, + const char *name, const void *identifier); +int grep_source_load(struct grep_source *gs); +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); +int grep_source_is_binary(struct grep_source *gs); + +int grep_source(struct grep_opt *opt, struct grep_source *gs); + +extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt); +extern int grep_threads_ok(const struct grep_opt *opt); + +#ifndef NO_PTHREADS +/* + * 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; +extern pthread_mutex_t grep_read_mutex; + +static inline void grep_read_lock(void) +{ + if (grep_use_locks) + pthread_mutex_lock(&grep_read_mutex); +} + +static inline void grep_read_unlock(void) +{ + if (grep_use_locks) + pthread_mutex_unlock(&grep_read_mutex); +} + +#else +#define grep_read_lock() +#define grep_read_unlock() +#endif #endif |