GarbleFilter.h

#ifndef GARBLEFILTER_H
#define GARBLEFILTER_H
 
#include <string.h>
#include <assert.h>
#include <stdbool.h>
#include "utils.h"
 
typedef struct {
    int occur[N_ASCII_ELEMENT];
    int obs[N_ASCII_ELEMENT];
    int nexceed;
    int noccur;
} occurText;
 
occurText init_occurText();
void add_obs(char, occurText*);
void del_obs(char, occurText*);
bool satisfied_obs(occurText);
 
//Preprocessing: Garble Text
 
void get_region_occurrence(char*, occurText*, int str, int end);
 
//Locate Garble Text
 
bool next_garble_region(char* text, int* tail, int* head, int textlen, occurText*);
 
bool leftist_smallest_garble_region(char* text, int textlen, char* garble, int garblelen, int* tail, int* head);
 
void slice_text(char* text, int tail, int head, int textlen);
 
void GarbleTextFilter(char* text, char* garble);
 
 
 
 
#endif