grep.h

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#pragma once

#define LOG_GREP_PATTERN_BUFFER_SIZE 4096
 
#include <ascii-chat/asciichat_errno.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

typedef struct {
  char pattern[LOG_GREP_PATTERN_BUFFER_SIZE]; 
  uint32_t pcre2_options;                     
  bool is_fixed_string;                       
  bool case_insensitive;                      
  bool invert;                                
  bool global_flag;                           
  int context_before;                         
  int context_after;                          
  bool valid;                                 
} grep_parse_result_t;

grep_parse_result_t grep_parse_pattern(const char *input);

asciichat_error_t grep_init(const char *pattern);

bool grep_should_output(const char *log_line, size_t *match_start, size_t *match_len);

const char *grep_highlight(const char *log_line, size_t match_start, size_t match_len);

const char *grep_highlight_colored(const char *colored_text, const char *plain_text, size_t match_start,
                                   size_t match_len);

char *grep_highlight_colored_copy(const char *colored_text, const char *plain_text, size_t match_start,
                                  size_t match_len);

void grep_destroy(void);

asciichat_error_t grep_save_patterns(void);

asciichat_error_t grep_restore_patterns(void);

void grep_clear_patterns(void);

int grep_get_pattern_count(void);

const char *grep_get_last_pattern(void);