cdesktopenv/cde/programs/dthelp/parser/pass2/util/triecnt.c

90 lines
2.8 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: triecnt.c /main/3 1995/11/08 11:08:29 rswiston $ */
/*
Copyright 1986, 1987, 1988, 1989 Hewlett-Packard Co.
*/
/* Triecnt.c contains procedures for writing out a trie structure */
#include <stdio.h>
#include "basic.h"
#include "trie.h"
void countdown(M_TRIE *parent, int *count);
void dumpnode(LOGICAL *first, FILE *file, M_TRIE *trieptr, int *count,
void (*proc)(FILE *file, void *value));
void printval(FILE *file, void *value);
/* Count the descendants of a node in order to generate declarations for
the packed form of a trie*/
void countdown(M_TRIE *parent, int *count)
{
M_TRIE *child ;
for (child = parent->data ; child ; child = child->next) {
(*count)++ ;
if (child->symbol) countdown(child, count) ;
}
}
/* Output descendants of a node for the declaration of a trie, in packed
or normal format*/
void dumpnode(LOGICAL *first, FILE *file, M_TRIE *trieptr, int *count,
void (*proc) (FILE *file, void *value))
{
M_TRIE *p ;
int savecount ;
for (p = trieptr->data ; p ; p = p->next) (*count)++ ;
savecount = *count ;
for (p = trieptr->data ; p ; p = p->next) {
/* generate a child */
if (*first) *first = FALSE ;
else fprintf(file, ",\n") ;
fprintf(file, " {") ;
if (p->next) fprintf(file, "TRUE, ") ;
else fprintf(file, "FALSE, ") ;
fprintf(file, "%d", (int)p->symbol) ;
if (p->symbol) fprintf(file, ", %d}", *count) ;
else { (*proc)(file, p->data) ; fprintf(file, "}") ; }
/* count the children of the child*/
if (p->symbol) countdown(p, count) ;
}
*count = savecount ;
for (p = trieptr->data ; p ; p = p->next)
if (p->symbol) dumpnode(first, file, p, count, proc) ;
}
/* Most common procedure passed to dumpptrie */
void printval(FILE *file, void *value)
{
fprintf(file, ", %ld", (long) value) ;
}