File indexing completed on 2024-04-28 11:21:09

 /* block-level tags for passing html blocks through the blender
  */
 #include "config.h"
 
 #define __WITHOUT_AMALLOC 1
 #include "cstring.h"
 #include "tags.h"
 
 STRING(struct kw) extratags;
 
 /* the standard collection of tags are built and sorted when
  * discount is configured, so all we need to do is pull them
  * in and use them.
  *
  * Additional tags still need to be allocated, sorted, and deallocated.
  */
 #include "blocktags"
 
 
 /* define an additional html block tag
  */
 void
 mkd_define_tag(char *id, int selfclose)
 {
     struct kw *p;
 
     /* only add the new tag if it doesn't exist in
      * either the standard or extra tag tables.
      */
     if ( !(p = mkd_search_tags(id, strlen(id))) ) {
     /* extratags could be deallocated */
     if ( S(extratags) == 0 )
         CREATE(extratags);
     p = &EXPAND(extratags);
     p->id = id;
     p->size = strlen(id);
     p->selfclose = selfclose;
     }
 }
 
 
 /* case insensitive string sort (for qsort() and bsearch() of block tags)
  */
 static int
 casort(struct kw *a, struct kw *b)
 {
     if ( a->size != b->size )
     return a->size - b->size;
     return strncasecmp(a->id, b->id, b->size);
 }
 
 
 /* stupid cast to make gcc shut up about the function types being
  * passed into qsort() and bsearch()
  */
 typedef int (*stfu)(const void*,const void*);
 
 
 /* sort the list of extra html block tags for later searching
  */
 void
 mkd_sort_tags()
 {
     qsort(T(extratags), S(extratags), sizeof(struct kw), (stfu)casort);
 }
 
 
 /* look for a token in the html block tag list
  */
 struct kw*
 mkd_search_tags(char *pat, int len)
 {
     struct kw key;
     struct kw *ret;
     
     key.id = pat;
     key.size = len;
     
     if ( (ret=bsearch(&key,blocktags,NR_blocktags,sizeof key,(stfu)casort)) )
     return ret;
 
     if ( S(extratags) )
     return bsearch(&key,T(extratags),S(extratags),sizeof key,(stfu)casort);
     
     return 0;
 }
 
 
 /* destroy the extratags list (for shared libraries)
  */
 void
 mkd_deallocate_tags()
 {
     if ( S(extratags) > 0 )
     DELETE(extratags);
 } /* mkd_deallocate_tags */