main.h

   1 #include "config.h"
   2
   3 #ifndef MAIN_H
   4 #define MAIN_H
   5
   6 /*
   7  * Options from the command line, to pass to each function that need some
   8  */
   9 typedef struct Opt {
  10         int   line_numbers;
  11         int   complete;
  12         int   print_numbers;
  13         char  validate_key;
  14         char *separator;
  15         int   lines;
  16         char *prompt;
  17 } Opt;
  18
  19 /*
  20  * Line coming from stdin, wrapped in a header.
  21  */
  22 typedef struct Line {
  23         char *content;               /* sent as output and matched by input */
  24         char *comment;               /* displayed at the right of the content */
  25
  26         int  number;                 /* set here as order will not change */
  27         int  matches;                /* whether it matches buffer's input */
  28         int  header;                 /* whether the line is a header */
  29
  30         struct Line *prev;           /* doubly linked list structure */
  31         struct Line *next;
  32 } Line;
  33
  34 /*
  35  * Group of lines from stdin delimited by a header line.
  36  *
  37  * The header lines are identified by a leading 'HEADER' character,
  38  * specified on command line.  Each header contains a doubly linked list of
  39  * lines.
  40  */
  41
  42 /*
  43  * Buffer containing a doubly linked list of headers
  44  */
  45 typedef struct Buffer {
  46         int total;                   /* total number of line in buffer */
  47         int matching;                /* number lines matching the input */
  48
  49         char    input[LINE_SIZE];    /* string from user's keyboard */
  50         char   *prompt;              /* specified from the command line */
  51
  52         Line   *empty;               /* empty line, for when needed */
  53         Line   *current;             /* selected line, highlighted */
  54         Line   *first;               /* boundaries of the linked list */
  55         Line   *last;
  56 } Buffer;
  57
  58 #endif