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/*
This file is part of pybliographer
Copyright (C) 1998-1999 Frederic GOBRY
Email : gobry@idiap.ch
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
$Id: bibtex.c,v 1.1.2.2 2003/09/02 14:35:33 fredgo Exp $
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <errno.h>
#include <string.h>
#include "bibtex.h"
void bibtex_message_handler (const gchar *log_domain G_GNUC_UNUSED,
GLogLevelFlags log_level,
const gchar *message,
gpointer user_data G_GNUC_UNUSED)
{
gchar * name = g_get_prgname ();
if (name) {
fprintf (stderr, "%s: ", name);
}
switch (log_level) {
case BIB_LEVEL_ERROR:
fprintf (stderr, "error: %s\n", message);
break;
case BIB_LEVEL_WARNING:
fprintf (stderr, "warning: %s\n", message);
break;
case BIB_LEVEL_MESSAGE:
printf ("%s\n", message);
break;
default:
fprintf (stderr, "<unknown level %d>: %s\n", log_level, message);
break;
}
}
void
bibtex_set_default_handler (void) {
g_log_set_handler (G_LOG_DOMAIN, BIB_LEVEL_ERROR,
bibtex_message_handler, NULL);
g_log_set_handler (G_LOG_DOMAIN, BIB_LEVEL_WARNING,
bibtex_message_handler, NULL);
g_log_set_handler (G_LOG_DOMAIN, BIB_LEVEL_MESSAGE,
bibtex_message_handler, NULL);
}
static void
add_to_dico (gpointer key, gpointer value, gpointer user) {
gchar * val = (gchar *) key;
BibtexField * field;
BibtexStruct * structure;
if ((structure = g_hash_table_lookup ((GHashTable *) user, val)) == NULL) {
val = g_strdup ((char *) key);
}
else {
bibtex_struct_destroy (structure, TRUE);
}
field = (BibtexField *) value;
g_strdown (val);
g_hash_table_insert ((GHashTable *) user, val, field->structure);
}
BibtexEntry *
bibtex_source_next_entry (BibtexSource * file,
gboolean filter) {
BibtexEntry * ent;
int offset;
g_return_val_if_fail (file != NULL, NULL);
if (file->eof) return NULL;
offset = file->offset;
file->error = FALSE;
do {
ent = bibtex_analyzer_parse (file);
if (ent) {
/* Incrementer les numeros de ligne */
file->line += ent->length;
ent->offset = offset;
ent->length = file->offset - offset;
/* Rajouter les definitions au dictionnaire, si necessaire */
if (ent->type) {
if (strcasecmp (ent->type, "string") == 0) {
g_hash_table_foreach (ent->table, add_to_dico,
file->table);
if (filter) {
/* Return nothing, we store it as string database */
bibtex_entry_destroy (ent, FALSE);
ent = NULL;
}
}
else {
do {
if (strcasecmp (ent->type, "comment") == 0) {
bibtex_entry_destroy (ent, TRUE);
ent = NULL;
break;
}
if (strcasecmp (ent->type, "preamble") == 0) {
if (filter) {
bibtex_warning ("%s:%d: skipping preamble",
file->name, file->line);
bibtex_entry_destroy (ent, TRUE);
ent = NULL;
}
else {
ent->textual_preamble =
bibtex_struct_as_bibtex (ent->preamble);
}
break;
}
/* normal case; convert preamble into entry name */
if (ent->preamble) {
switch (ent->preamble->type) {
case BIBTEX_STRUCT_REF:
/* alphanumeric identifiers */
ent->name =
g_strdup (ent->preamble->value.ref);
break;
case BIBTEX_STRUCT_TEXT:
/* numeric identifiers */
ent->name =
g_strdup (ent->preamble->value.text);
break;
default:
if (file->strict) {
bibtex_error ("%s:%d: entry has a weird name",
file->name, file->line);
bibtex_entry_destroy (ent, TRUE);
file->error = TRUE;
return NULL;
}
else {
bibtex_warning ("%s:%d: entry has a weird name",
file->name, file->line);
bibtex_struct_destroy (ent->preamble, TRUE);
ent->preamble = NULL;
ent->name = NULL;
}
break;
}
}
else {
if (file->strict) {
bibtex_error ("%s:%d: entry has no identifier",
file->name,
file->line);
bibtex_entry_destroy (ent, TRUE);
file->error = TRUE;
return NULL;
}
else {
bibtex_warning ("%s:%d: entry has no identifier",
file->name,
file->line);
}
}
} while (0);
}
}
}
else {
/* No ent, there has been a problem */
return NULL;
}
}
while (!ent);
return ent;
}
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