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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * e-util.h
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 * Authors:
 *   Chris Lahey <clahey@ximian.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License, version 2, as published by the Free Software Foundation.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

#ifndef _E_UTIL_H_
#define _E_UTIL_H_

#include <sys/types.h>
#include <gtk/gtk.h>
#include <limits.h>
#include <gconf/gconf-client.h>
#include <cairo.h>

#include <e-util/e-util-marshal.h>

G_BEGIN_DECLS

typedef enum {
    E_FOCUS_NONE,
    E_FOCUS_CURRENT,
    E_FOCUS_START,
    E_FOCUS_END
} EFocus;

const gchar *   e_get_user_data_dir     (void);
void        e_display_help          (GtkWindow *parent,
                         const gchar *link_id);

char *      e_str_without_underscores   (const char *s);
gint        e_str_compare           (gconstpointer x,
                         gconstpointer y);
gint        e_str_case_compare      (gconstpointer x,
                         gconstpointer y);
gint        e_collate_compare       (gconstpointer x,
                         gconstpointer y);
gint        e_int_compare                   (gconstpointer x,
                         gconstpointer y);
gboolean    e_write_file_uri        (const gchar *filename,
                         const gchar *data);

/* This only makes a filename safe for usage as a filename.
 * It still may have shell meta-characters in it. */
gchar *     e_format_number         (gint number);
gchar *     e_format_number_float       (gfloat number);

typedef gint    (*ESortCompareFunc)     (gconstpointer first,
                         gconstpointer second,
                         gpointer closure);

void        e_bsearch           (gconstpointer key,
                         gconstpointer base,
                         gsize nmemb,
                         gsize size,
                         ESortCompareFunc compare,
                         gpointer closure,
                         gsize *start,
                         gsize *end);

gsize       e_strftime_fix_am_pm        (gchar *str,
                         gsize max,
                         const gchar *fmt,
                         const struct tm *tm);
gsize       e_utf8_strftime_fix_am_pm   (gchar *str,
                         gsize max,
                         const gchar *fmt,
                         const struct tm *tm);
const gchar *   e_get_month_name        (GDateMonth month,
                         gboolean abbreviated);
const gchar *   e_get_weekday_name      (GDateWeekday weekday,
                         gboolean abbreviated);

/* String to/from double conversion functions */
gdouble     e_flexible_strtod       (const gchar *nptr,
                         gchar **endptr);

/* 29 bytes should enough for all possible values that
 * g_ascii_dtostr can produce with the %.17g format.
 * Then add 10 for good measure */
#define E_ASCII_DTOSTR_BUF_SIZE (DBL_DIG + 12 + 10)
gchar *     e_ascii_dtostr          (gchar *buffer,
                         gint buf_len,
                         const gchar *format,
                         gdouble d);

/* Alternating char * and int arguments with a NULL char * to end.
   Less than 0 for the int means copy the whole string. */
gchar *     e_strdup_append_strings     (gchar *first_string,
                         ...);

cairo_font_options_t *
        get_font_options        (void);

void        e_file_update_save_path     (gchar *uri,
                         gboolean free);
gchar *     e_file_get_save_path        (void);

gboolean    e_file_lock_create      (void);
void        e_file_lock_destroy     (void);
gboolean    e_file_lock_exists      (void);

gchar *     e_util_guess_mime_type      (const gchar *filename);
gchar *     e_util_filename_to_uri      (const gchar *filename);
gchar *     e_util_uri_to_filename      (const gchar *uri);

gboolean    e_util_read_file        (const gchar *filename,
                         gboolean filename_is_uri,
                         gchar **buffer,
                         gsize *read,
                         GError **error);

G_END_DECLS

#endif /* _E_UTIL_H_ */