buffer.h

   1
   2 #ifndef BUFFER_H
   3 #define BUFFER_H
   4
   5 #include <string.h>
   6 #include <unistd.h>
   7 #include <stdlib.h>
   8 #include <stdio.h>
   9
  10 #define LT 0
  11 #define RT 1
  12 #define UP 2
  13 #define DN 3
  14
  15 #define NEXT 0
  16 #define PREV 1
  17
  18 typedef struct
  19 {
  20   int x;
  21   int y;
  22 } position_t;
  23
  24 typedef struct
  25 {
  26   char* buf;
  27   unsigned int size;
  28   int gap_start;
  29   int gap_end;
  30   int* line_indices;
  31   int num_lines;
  32   char* name;
  33   position_t cursor;
  34 } buffer_t;
  35
  36 buffer_t buffer_init();
  37
  38 buffer_t* buffer_init_point();
  39
  40 void buffer_free (buffer_t* buffer);
  41
  42 void buffer_inspect (buffer_t buffer);
  43
  44 void buffer_print (buffer_t buffer);
  45
  46 void buffer_grow (buffer_t* buffer, unsigned int add);
  47
  48 void buffer_insert_char (buffer_t* buffer, char new);
  49
  50 void buffer_backspace (buffer_t* buffer);
  51
  52 void buffer_left (buffer_t* buffer);
  53
  54 void buffer_right (buffer_t* buffer);
  55
  56 void buffer_up (buffer_t* buffer);
  57
  58 void buffer_down (buffer_t* buffer);
  59
  60 void buffer_set_contents (buffer_t* buffer, char string[]);
  61
  62 char* buffer_to_string (buffer_t buffer);
  63
  64 void buffer_jump_word (buffer_t* buffer, char delim, int dir);
  65
  66 #endif