helpmod2/hcommand.c

   1 #include <assert.h>
   2 #include <string.h>
   3 #include <stdlib.h>
   4
   5 #include "../lib/sstring.h"
   6
   7 #include "helpmod.h"
   8 #include "hcommand.h"
   9 #include "hgen.h"
  10
  11 hcommand* hcommand_add(const char *str, hlevel lvl, hcommand_function func, const char *command_help)
  12 {
  13     hcommand *tmp, **ptr = &hcommands;
  14
  15     assert(hcommand_get(str, lvl) == NULL);
  16
  17     /* Find the position */
  18     for (;*ptr && (*ptr)->level < lvl;ptr = &(*ptr)->next);
  19     for (;*ptr && (*ptr)->level <= lvl && strcmp(str, (*ptr)->name->content) > 0;ptr = &(*ptr)->next);
  20
  21     tmp = *ptr;
  22     *ptr = (hcommand*)malloc(sizeof (hcommand));
  23
  24     (*ptr)->name = getsstring(str, strlen(str));
  25     (*ptr)->help = getsstring(command_help, strlen(command_help));
  26     (*ptr)->level = lvl;
  27     (*ptr)->function = func;
  28     (*ptr)->next = tmp;
  29
  30     return *ptr;
  31 }
  32
  33 int hcommand_del(const char *str)
  34 {
  35     hcommand **ptr = &hcommands;
  36
  37     assert(hcommand_get(str, H_NONE) != NULL);
  38
  39     for (;*ptr;ptr = &(*ptr)->next)
  40         if (!ci_strcmp(str, (*ptr)->name->content))
  41         {
  42             hcommand *tmp = (*ptr)->next;
  43             freesstring((*ptr)->name);
  44             free(*ptr);
  45             *ptr = tmp;
  46
  47             return 0;
  48         }
  49     return 0;
  50 }
  51
  52 int hcommand_del_all(void)
  53 {
  54     while (hcommands)
  55         hcommand_del(hcommands->name->content);
  56     return 0;
  57 }
  58
  59
  60 hcommand* hcommand_get(const char *str, hlevel lvl)
  61 {
  62     hcommand *ptr = hcommands;
  63
  64     for (;ptr && ptr->level <= lvl;ptr = ptr->next)
  65         if (!ci_strcmp(str, ptr->name->content))
  66             return ptr;
  67
  68     return NULL;
  69 }
  70
  71 hcommand* hcommand_list(hlevel lvl)
  72 {
  73     static hcommand *position = NULL;
  74     hcommand *tmp;
  75
  76     if (position == NULL || position->level > lvl)
  77     {
  78         position = hcommands;
  79         return NULL;
  80     }
  81
  82     tmp = position;
  83     position = position->next;
  84
  85     return tmp;
  86 }
  87
  88 int hcommand_is_command(const char *str)
  89 {
  90     if (*str == '-' || *str == '?')
  91         return 1;
  92     if ((!strncmp(str, helpmodnick->nick, strlen(helpmodnick->nick)) && str[strlen(helpmodnick->nick)] == ' '))
  93         return 1;
  94     return 0;
  95 }