/*  MasqMail
    Copyright (C) 1999-2001 Oliver Kurth
    Copyright (C) 2008 markus schnalke <meillo@marmaro.de>

    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.
*/

#include <fnmatch.h>

#include "masqmail.h"

table_pair*
create_pair(gchar * key, gpointer value)
{
	table_pair *pair;

	pair = g_malloc(sizeof(table_pair));
	pair->key = g_strdup(key);
	pair->value = value;

	return pair;
}

table_pair*
create_pair_string(gchar * key, gpointer value)
{
	table_pair *pair;

	pair = g_malloc(sizeof(table_pair));
	pair->key = g_strdup(key);
	pair->value = (gpointer) (g_strdup(value));

	return pair;
}

table_pair*
parse_table_pair(gchar * line, char delim)
{
	gchar buf[256];
	gchar *p, *q;
	table_pair *pair;

	p = line;
	q = buf;
	while ((*p != '\0') && (*p != delim) && q < buf + 255)
		*(q++) = *(p++);
	*q = '\0';

	pair = g_malloc(sizeof(table_pair));
	pair->key = g_strdup(g_strstrip(buf));

	if (*p) {
		p++;
		/*    while(isspace(*p)) p++; */
		pair->value = (gpointer *) (g_strdup(g_strstrip(p)));
	} else
		pair->value = (gpointer *) g_strdup("");

	return pair;
}

gpointer*
table_find_func(GList * table_list, gchar * key, int (*cmp_func) (const char *, const char *))
{
	GList *node;

	foreach(table_list, node) {
		table_pair *pair = (table_pair *) (node->data);
		if (cmp_func(pair->key, key) == 0)
			return pair->value;
	}
	return NULL;
}

gpointer*
table_find(GList * table_list, gchar * key)
{
	return table_find_func(table_list, key, strcmp);
}

gpointer*
table_find_case(GList * table_list, gchar * key)
{
	return table_find_func(table_list, key, strcasecmp);
}

static int
fnmatch0(const char *pattern, const char *string)
{
	return fnmatch(pattern, string, 0);
}

gpointer*
table_find_fnmatch(GList * table_list, gchar * key)
{
	return table_find_func(table_list, key, fnmatch0);
}

GList*
table_read(gchar * fname, gchar delim)
{
	GList *list = NULL;
	FILE *fptr;

	if ((fptr = fopen(fname, "rt"))) {
		gchar buf[256];

		while (fgets(buf, 255, fptr)) {
			if (buf[0] && (buf[0] != '#') && (buf[0] != '\n')) {
				table_pair *pair;
				g_strchomp(buf);
				pair = parse_table_pair(buf, delim);
				list = g_list_append(list, pair);
			}
		}
		fclose(fptr);
		if (list == NULL)
			logwrite(LOG_NOTICE, "empty table file %s\n", fname);
		return list;
	}
	logwrite(LOG_ALERT, "could not open table file %s: %s. Thus no aliasing is done\n", fname, strerror(errno));

	return NULL;
}

void
destroy_table(GList * table)
{
	GList *node;

	foreach(table, node) {
		table_pair *p = (table_pair *) (node->data);
		g_free(p->key);
		g_free(p->value);
		g_free(p);
	}
	g_list_free(table);
}