/*
 *  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>

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_WORD,
	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,
						 CamelSExpResult **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 *words);
void		camel_search_words_free		(struct _camel_search_words *words);

G_END_DECLS

#endif /* CAMEL_SEARCH_PRIVATE_H */
