/*
 *  Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 *  Authors: Michael Zucchi <notzed@ximian.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU Lesser General Public
 * License as published by the Free Software Foundation.
 *
 * 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 Lesser General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef CAMEL_SEARCH_PRIVATE_H
#define CAMEL_SEARCH_PRIVATE_H

/* POSIX requires <sys/types.h> be included before <regex.h> */
#include <sys/types.h>

#include <regex.h>

#include <camel/camel.h>

#include "libedataserver/e-sexp.h"

G_BEGIN_DECLS

typedef enum {
	CAMEL_SEARCH_MATCH_START = 1 << 0,
	CAMEL_SEARCH_MATCH_END = 1 << 1,
	CAMEL_SEARCH_MATCH_REGEX = 1 << 2, /* disables the first 2 */
	CAMEL_SEARCH_MATCH_ICASE = 1 << 3,
	CAMEL_SEARCH_MATCH_NEWLINE = 1 << 4
} camel_search_flags_t;

typedef enum {
	CAMEL_SEARCH_MATCH_EXACT,
	CAMEL_SEARCH_MATCH_CONTAINS,
	CAMEL_SEARCH_MATCH_STARTS,
	CAMEL_SEARCH_MATCH_ENDS,
	CAMEL_SEARCH_MATCH_SOUNDEX
} camel_search_match_t;

typedef enum {
	CAMEL_SEARCH_TYPE_ASIS,
	CAMEL_SEARCH_TYPE_ENCODED,
	CAMEL_SEARCH_TYPE_ADDRESS,
	CAMEL_SEARCH_TYPE_ADDRESS_ENCODED,
	CAMEL_SEARCH_TYPE_MLIST /* its a mailing list pseudo-header */
} camel_search_t;

/* builds a regex that represents a string search */
gint camel_search_build_match_regex (regex_t *pattern, camel_search_flags_t type, gint argc, struct _ESExpResult **argv, GError **error);
gboolean camel_search_message_body_contains (CamelDataWrapper *object, regex_t *pattern);

gboolean camel_search_header_match (const gchar *value, const gchar *match, camel_search_match_t how, camel_search_t type, const gchar *default_charset);
gboolean camel_search_camel_header_soundex (const gchar *header, const gchar *match);

/* TODO: replace with a real search function */
const gchar *camel_ustrstrcase (const gchar *haystack, const gchar *needle);

/* Some crappy utility functions for handling multiple search words */
typedef enum _camel_search_word_t {
	CAMEL_SEARCH_WORD_SIMPLE = 1,
	CAMEL_SEARCH_WORD_COMPLEX = 2,
	CAMEL_SEARCH_WORD_8BIT = 4
} camel_search_word_t;

struct _camel_search_word {
	camel_search_word_t type;
	gchar *word;
};

struct _camel_search_words {
	gint len;
	camel_search_word_t type;	/* OR of all word types in list */
	struct _camel_search_word **words;
};

struct _camel_search_words *camel_search_words_split (const guchar *in);
struct _camel_search_words *camel_search_words_simple (struct _camel_search_words *wordin);
void camel_search_words_free (struct _camel_search_words *);

G_END_DECLS

#endif /* CAMEL_SEARCH_PRIVATE_H */
