]> ncurses.scripts.mit.edu Git - ncurses.git/blobdiff - ncurses/tinfo/add_tries.c
ncurses 5.0
[ncurses.git] / ncurses / tinfo / add_tries.c
similarity index 71%
rename from ncurses/tries.c
rename to ncurses/tinfo/add_tries.c
index 527388665818da84eec073069261398e34ebd44e..95a9e965c5a78e0e21b5796aa2b8f7570bfaa06f 100644 (file)
  ****************************************************************************/
 
 /****************************************************************************
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey <dickey@clark.net> 1997                        *
+ *  Author: Thomas E. Dickey <dickey@clark.net> 1998                        *
  ****************************************************************************/
 
 /*
  ****************************************************************************/
 
 /*
-**     tries.c
+**     add_tries.c
 **
 **
-**     Functions to manage the tree of partial-completions for keycodes.
+**     Add keycode/string to tries-tree.
 **
 */
 
 #include <curses.priv.h>
 
 **
 */
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: tries.c,v 1.7 1998/02/11 12:13:57 tom Exp $")
+MODULE_ID("$Id: add_tries.c,v 1.1 1998/11/08 00:04:18 tom Exp $")
 
 #define SET_TRY(dst,src) if ((dst->ch = *src++) == 128) dst->ch = '\0'
 #define CMP_TRY(a,b) ((a)? (a == b) : (b == 128))
 
 #define SET_TRY(dst,src) if ((dst->ch = *src++) == 128) dst->ch = '\0'
 #define CMP_TRY(a,b) ((a)? (a == b) : (b == 128))
@@ -122,64 +122,3 @@ void _nc_add_to_try(struct tries **tree, char *str, unsigned short code)
        ptr->value = code;
        return;
 }
        ptr->value = code;
        return;
 }
-
-/*
- * Expand a keycode into the string that it corresponds to, returning null if
- * no match was found, otherwise allocating a string of the result.
- */
-char *_nc_expand_try(struct tries *tree, unsigned short code, size_t len)
-{
-       struct tries *ptr = tree;
-       char *result = 0;
-
-       if (code != 0) {
-               while (ptr != 0) {
-                       if ((result = _nc_expand_try(ptr->child, code, len + 1)) != 0) {
-                               break;
-                       }
-                       if (ptr->value == code) {
-                               result = typeCalloc(char, len+2);
-                               break;
-                       }
-                       ptr = ptr->sibling;
-               }
-       }
-       if (result != 0) {
-               if ((result[len] = ptr->ch) == 0)
-                       *((unsigned char *)(result+len)) = 128;
-#ifdef TRACE
-               if (len == 0)
-                       _tracef("expand_key %s %s", _trace_key(code), _nc_visbuf(result));
-#endif
-       }
-       return result;
-}
-
-/*
- * Remove a code from the specified tree, freeing the unused nodes.  Returns
- * true if the code was found/removed.
- */
-int _nc_remove_key(struct tries **tree, unsigned short code)
-{
-       if (code == 0)
-               return FALSE;
-               
-       while (*tree != 0) {
-               if (_nc_remove_key(&(*tree)->child, code)) {
-                       return TRUE;
-               }
-               if ((*tree)->value == code) {
-                       if((*tree)->child) {
-                               /* don't cut the whole sub-tree */
-                               (*tree)->value = 0;
-                       } else {
-                               struct tries *to_free = *tree;
-                               *tree = (*tree)->sibling;
-                               free(to_free);
-                       }
-                       return TRUE;
-               }
-               tree = &(*tree)->sibling;
-       }
-       return FALSE;
-}