helpmod2/hterm.c

   1 #include <string.h>
   2 #include <assert.h>
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5 #include "../lib/sstring.h"
   6
   7 #include "hterm.h"
   8
   9 #include "hgen.h"
  10
  11 hterm *hterm_add(hterm** ptr, const char *name, const char *desc)
  12 {
  13     hterm *htrm;
  14
  15     if (ptr == NULL)
  16         ptr = &hterms;
  17
  18     if (name == NULL || desc == NULL || hterm_get(*ptr, name))
  19         return NULL;
  20
  21     htrm = (hterm*)malloc(sizeof(htrm));
  22     htrm->name = getsstring(name, strlen(name));
  23     htrm->description = getsstring(desc, strlen(desc));
  24
  25     htrm->next = *ptr;
  26     *ptr = htrm;
  27
  28     return htrm;
  29 }
  30
  31 hterm *hterm_get(hterm *source, const char *str)
  32 {
  33     hterm *ptr;
  34     if (source == NULL)
  35         ptr = hterms;
  36     else
  37         ptr = source;
  38     for (;ptr;ptr = ptr->next)
  39         if (!ci_strcmp(ptr->name->content, str))
  40             return ptr;
  41     if (source != NULL)
  42         return hterm_get(NULL, str);
  43     else
  44         return NULL;
  45 }
  46
  47 hterm *hterm_find(hterm *source, const char *str)
  48 {
  49     hterm *ptr;
  50     char buffer[512];
  51
  52     if (source == NULL)
  53         source = hterms;
  54
  55     sprintf(buffer, "*%s*", str);
  56
  57     for (ptr = source;ptr;ptr = ptr->next)
  58         if (strregexp(ptr->name->content, buffer))
  59             return ptr;
  60     for (ptr = source;ptr;ptr = ptr->next)
  61         if (strregexp(ptr->description->content, buffer))
  62             return ptr;
  63     if (source == NULL)
  64         return hterm_find(NULL, str);
  65     else
  66         return NULL;
  67 }
  68
  69 hterm *hterm_get_and_find(hterm *source, const char *str)
  70 {
  71     /*hterm *ptr = hterm_get(source, str);
  72     if (ptr == NULL)
  73         ptr = hterm_find(source, str);
  74         return ptr;*/
  75     /* search order: get source, get NULL, find source, find NULL */
  76     hterm *ptr;
  77     ptr = hterm_get(source, str);
  78     if (ptr != NULL)
  79         return ptr;
  80     ptr = hterm_get(NULL, str);
  81     if (ptr != NULL)
  82         return ptr;
  83     ptr = hterm_find(source, str);
  84     if (ptr != NULL)
  85         return ptr;
  86     ptr = hterm_find(NULL, str);
  87     return ptr;
  88 }
  89
  90 hterm *hterm_del(hterm** start, hterm *htrm)
  91 {
  92     hterm** ptr = start;
  93
  94     if (start == NULL)
  95         ptr = &hterms;
  96
  97     for (;*ptr;ptr = &(*ptr)->next)
  98         if (*ptr == htrm)
  99         {
 100             hterm *tmp = (*ptr)->next;
 101             freesstring((*ptr)->name);
 102             freesstring((*ptr)->description);
 103             free(*ptr);
 104             *ptr = tmp;
 105
 106             return NULL;
 107         }
 108
 109     if (start != NULL)
 110         return hterm_del(NULL, htrm);
 111     else
 112         return htrm;
 113 }
 114
 115 void hterm_del_all(hterm **source)
 116 {
 117     if (source == NULL)
 118         source = &hterms;
 119
 120     while (*source)
 121         hterm_del(source, *source);
 122 }
 123
 124 int hterm_count(hterm* ptr)
 125 {
 126     int i = 0;
 127     for (;ptr;ptr = ptr->next)
 128         i++;
 129     return i;
 130 }