diplodocus.org Git - nmh/blob - sbr/context_find.c

   1 /* context_find.c -- find an entry in the context/profile list
   2  *
   3  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   4  * COPYRIGHT file in the root directory of the nmh distribution for
   5  * complete copyright information.
   6  */
   7
   8 #include <h/mh.h>
   9
  10
  11 char *
  12 context_find (const char *str)
  13 {
  14     struct node *np;
  15
  16     for (np = m_defs; np; np = np->n_next)
  17         if (!strcasecmp (FENDNULL(np->n_name), FENDNULL(str)))
  18             return (np->n_field);
  19
  20     return NULL;
  21 }
  22
  23
  24 /*
  25  * Helper function to search first, if subtype is non-NULL, for
  26  * invoname-string-type/subtype and then, if not yet found,
  27  * invoname-string-type.  If entry is found but is empty, it is
  28  * treated as not found.
  29  */
  30 char *
  31 context_find_by_type (const char *string, const char *type,
  32                       const char *subtype) {
  33     char *value = NULL;
  34
  35     if (subtype) {
  36         char *cp;
  37
  38         cp = concat (invo_name, "-", string, "-", type, "/", subtype, NULL);
  39         if ((value = context_find (cp)) != NULL && *value == '\0') value = NULL;
  40         free (cp);
  41     }
  42
  43     if (value == NULL) {
  44         char *cp;
  45
  46         cp = concat (invo_name, "-", string, "-", type, NULL);
  47         if ((value = context_find (cp)) != NULL && *value == '\0') value = NULL;
  48         free (cp);
  49     }
  50
  51     return value;
  52 }
  53
  54
  55 /*
  56  * Helper function to search profile an entry with name beginning with prefix.
  57  * The search is case insensitive.
  58  */
  59 int
  60 context_find_prefix (const char *prefix) {
  61     struct node *np;
  62
  63     for (np = m_defs; np; np = np->n_next) {
  64         if (np->n_name  &&  ! strncasecmp (np->n_name, prefix, strlen(prefix))) {
  65             return 1;
  66         }
  67     }
  68
  69     return 0;
  70 }