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/* -*- c -*- */
/*
GlossTeX, a tool for the automatic preparation of glossaries.
Copyright (C) 1997 Volkan Yavuz
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
Volkan Yavuz, yavuzv@rumms.uni-mannheim.de
*/
/* $Id: labels.c,v 1.29 1997/12/13 16:06:55 volkan Exp $ */
#include "glosstex.h"
#include "labels.h"
#include "list.h"
#include "error.h"
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#define KEYWORDSIZE 10 /* \GLX@entry */
#define INPUTWORDSIZE 7 /* \@input */
static int get_label (char buf[],
char *label, char *pageref_mode,
char *list, char *list_mode, char *page);
int
read_labels (char *inname)
{
FILE *infile;
char buf[LINESIZE];
unsigned int lineno = 0;
s_list_iterator iter;
/* don't forget to update "iter" whenever "labels" changes! */
iter.root = labels.root;
iter.current = labels.root;
if ((infile = fopen (inname, "r")) == NULL) {
error ("input-file %s", inname);
return 1;
}
printlog (PROGRESS, STDOUT, "(%s ", inname);
while (fgets (buf, LINESIZE, infile) != 0) {
if (buf[strlen (buf) - 1] == '\n')
lineno++;
if ((strncmp (buf, "\\GLX@entry", KEYWORDSIZE)) == 0) {
s_label *label = (s_label *) malloc (sizeof (s_label));
s_label *found_label = 0;
assert (label != 0);
label->label = (char *) malloc (WORDSIZE + 1);
assert (label->label != 0);
label->pageref_mode = (char *) malloc (WORDSIZE + 1);
assert (label->pageref_mode != 0);
label->list = (char *) malloc (WORDSIZE + 1);
assert (label->list != 0);
label->list_mode = (char *) malloc (WORDSIZE + 1);
assert (label->list_mode != 0);
label->page = (char *) malloc (WORDSIZE + 1);
assert (label->page != 0);
label->flag = UNRESOLVED;
if (get_label (&buf[KEYWORDSIZE],
label->label, label->pageref_mode,
label->list, label->list_mode,
label->page) != 0) {
printlog (PROGRESS, STDOUT, "x");
printlog (WARNING, LOGFILE, "\n%s:%u parse error: %s",
inname, lineno, buf);
count_label_parsing++;
continue;
}
if ((found_label =
find_label (&iter, FIND_FIRST, label->label, label->list)) == 0) {
list_add (&labels, label);
iter.root = labels.root; /* update iter because labels changed */
printlog (INFORMATION, LOGFILE, "\n%s:%u %s[%s](%s)%s@%s",
inname, lineno,
label->label, label->pageref_mode,
label->list, label->list_mode, label->page);
count_label_success++;
printlog (PROGRESS, STDOUT, "i");
} else {
if (((strcmp (found_label->pageref_mode, "n") == 0) &&
(strcmp (label->pageref_mode, "n") != 0)) ||
((strcmp (found_label->list_mode, "n") == 0) &&
(strcmp (label->list_mode, "n") != 0))) {
printlog (INFORMATION, LOGFILE,
"\n%s:%u %s[%s](%s)%s@%s overrides %s[%s](%s)%s@%s",
inname, lineno,
label->label, label->pageref_mode,
label->list, label->list_mode, label->page,
found_label->label, found_label->pageref_mode,
found_label->list, found_label->list_mode, found_label->page);
printlog (PROGRESS, STDOUT, "o");
free (found_label->label);
free (found_label->pageref_mode);
free (found_label->list);
free (found_label->list_mode);
free (found_label->page);
found_label->label = label->label;
found_label->pageref_mode = label->pageref_mode;
found_label->list = label->list;
found_label->list_mode = label->list_mode;
found_label->page = label->page;
count_label_override++;
free (label);
} else {
printlog (VERBOSE, LOGFILE, "\n%s:%u %s[%s](%s)%s@%s ignored",
inname, lineno,
label->label, label->pageref_mode,
label->list, label->list_mode, label->page);
printlog (PROGRESS, STDOUT, ".");
count_label_defined++;
free (label->label);
free (label->pageref_mode);
free (label->list);
free (label->list_mode);
free (label->page);
free (label);
}
}
} else if ((strncmp (buf, "\\@input", INPUTWORDSIZE)) == 0) {
char *new_file_name = (char *) malloc (WORDSIZE + 1);
assert (new_file_name != 0);
if (sscanf ((char *) (&buf[INPUTWORDSIZE]),
"{%128[^}]}\n", new_file_name) == 1)
read_labels (new_file_name);
}
}
printlog (PROGRESS, STDOUT, ")");
return 0;
}
s_label *
find_label (s_list_iterator * iterator, enum e_find_mode find_mode,
char *label, char *list)
{
if (find_mode == FIND_FIRST)
iterator->current = iterator->root;
else
iterator->current != 0 ? iterator->current = iterator->current->next : 0;
while (iterator->current != 0) {
if ((strcmp (((s_label *) (iterator->current->ptr))->label, label) == 0) &&
((list == 0) ? 1 == 1 :
(strcmp (((s_label *) (iterator->current->ptr))->list, list) == 0)))
return ((s_label *) (iterator->current->ptr));
iterator->current = iterator->current->next;
}
return 0;
}
unsigned int
show_unresolved_labels (s_list list, FILE * file)
{
unsigned int i = 0;
s_node *p = list.root;
while (p != 0) {
if ((((s_label *) (p->ptr))->flag) == UNRESOLVED) {
printlog (WARNING, STDOUT | LOGFILE, "\n%s[%s](%s)%s@%s unresolved",
((s_label *) (p->ptr))->label,
((s_label *) (p->ptr))->pageref_mode,
((s_label *) (p->ptr))->list,
((s_label *) (p->ptr))->list_mode,
((s_label *) (p->ptr))->page);
++i;
}
p = p->next;
}
return i;
}
static int
get_label (char buf[],
char *label, char *pageref_mode,
char *list, char *list_mode, char *page)
{
int i = sscanf ((char *) (buf),
"{%128[^}]}{%128[^}]}{%128[^}]}{%128[^}]}{%128[^}]}\n",
label, pageref_mode, list, list_mode, page);
return i != 5 ? 1 : 0;
}
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