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_mode;
  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
  29         struct Line *prev;           /* doubly linked list structure */
  30         struct Line *next;
  31 } Line;
  32
  33 /*
  34  * Group of lines from stdin delimited by a header line.
  35  *
  36  * The header lines are identified by a leading 'HEADER' character,
  37  * specified on command line.  Each header contains a doubly linked list of
  38  * lines.
  39  */
  40 typedef struct Header {
  41         int count;                   /* number of candidates in this header */
  42
  43         char *title;                 /* displayed in bold for each header */
  44
  45         struct Header *prev;         /* doubly linked list structure */
  46         struct Header *next;
  47
  48         Line *first;                 /* first line within the header */
  49 } Header;
  50
  51 /*
  52  * Buffer containing a doubly linked list of headers
  53  */
  54 typedef struct Buffer {
  55         int total;                   /* total number of line in buffer */
  56         int matching;                /* number lines matching the input */
  57
  58         char    input[LINE_SIZE];    /* string from user's keyboard */
  59         char   *prompt;              /* specified from the command line */
  60
  61         Header *current_h;           /* header containing the selected line */
  62
  63         Line   *empty;               /* empty line, for when needed */
  64         Line   *current;             /* selected line, highlighted */
  65         Line   *first;               /* boundaries of the linked list */
  66         Line   *last;
  67 } Buffer;
  68
  69 #endif