/* GLIB - Library of useful routines for C programming

 * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

/*

 * Modified by the GLib Team and others 1997-2000.  See the AUTHORS

 * file for a list of people on the GLib Team.  See the ChangeLog

 * files for a list of changes.  These files are distributed with

 * GLib at ftp://ftp.gtk.org/pub/gtk/.

 */

#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)

#error "Only <glib.h> can be included directly."

#endif

#ifndef __G_STRFUNCS_H__

#define __G_STRFUNCS_H__

#include <stdarg.h>

#include <glib/gmacros.h>

#include <glib/gtypes.h>

G_BEGIN_DECLS

/* Functions like the ones in <ctype.h> that are not affected by locale. */

typedef enum {

  G_ASCII_ALNUM  = 1 << 0,

  G_ASCII_ALPHA  = 1 << 1,

  G_ASCII_CNTRL  = 1 << 2,

  G_ASCII_DIGIT  = 1 << 3,

  G_ASCII_GRAPH  = 1 << 4,

  G_ASCII_LOWER  = 1 << 5,

  G_ASCII_PRINT  = 1 << 6,

  G_ASCII_PUNCT  = 1 << 7,

  G_ASCII_SPACE  = 1 << 8,

  G_ASCII_UPPER  = 1 << 9,

  G_ASCII_XDIGIT = 1 << 10

} GAsciiType;

GLIB_VAR const guint16 * const g_ascii_table;

#define g_ascii_isalnum(c) \

  ((g_ascii_table[(guchar) (c)] & G_ASCII_ALNUM) != 0)

#define g_ascii_isalpha(c) \

  ((g_ascii_table[(guchar) (c)] & G_ASCII_ALPHA) != 0)

#define g_ascii_iscntrl(c) \

  ((g_ascii_table[(guchar) (c)] & G_ASCII_CNTRL) != 0)

#define g_ascii_isdigit(c) \

  ((g_ascii_table[(guchar) (c)] & G_ASCII_DIGIT) != 0)

#define g_ascii_isgraph(c) \

  ((g_ascii_table[(guchar) (c)] & G_ASCII_GRAPH) != 0)

#define g_ascii_islower(c) \

  ((g_ascii_table[(guchar) (c)] & G_ASCII_LOWER) != 0)

#define g_ascii_isprint(c) \

  ((g_ascii_table[(guchar) (c)] & G_ASCII_PRINT) != 0)

#define g_ascii_ispunct(c) \

  ((g_ascii_table[(guchar) (c)] & G_ASCII_PUNCT) != 0)

#define g_ascii_isspace(c) \

  ((g_ascii_table[(guchar) (c)] & G_ASCII_SPACE) != 0)

#define g_ascii_isupper(c) \

  ((g_ascii_table[(guchar) (c)] & G_ASCII_UPPER) != 0)

#define g_ascii_isxdigit(c) \

  ((g_ascii_table[(guchar) (c)] & G_ASCII_XDIGIT) != 0)

gchar                 g_ascii_tolower  (gchar        c) G_GNUC_CONST;

gchar                 g_ascii_toupper  (gchar        c) G_GNUC_CONST;

gint                  g_ascii_digit_value  (gchar    c) G_GNUC_CONST;

gint                  g_ascii_xdigit_value (gchar    c) G_GNUC_CONST;

/* String utility functions that modify a string argument or

 * return a constant string that must not be freed.

 */

#define	 G_STR_DELIMITERS	"_-|> <."

gchar*	              g_strdelimit     (gchar	     *string,

					const gchar  *delimiters,

					gchar	      new_delimiter);

gchar*	              g_strcanon       (gchar        *string,

					const gchar  *valid_chars,

					gchar         substitutor);

const gchar *         g_strerror       (gint	      errnum) G_GNUC_CONST;

const gchar *         g_strsignal      (gint	      signum) G_GNUC_CONST;

gchar *	              g_strreverse     (gchar	     *string);

gsize	              g_strlcpy	       (gchar	     *dest,

					const gchar  *src,

					gsize         dest_size);

gsize	              g_strlcat        (gchar	     *dest,

					const gchar  *src,

					gsize         dest_size);

gchar *               g_strstr_len     (const gchar  *haystack,

					gssize        haystack_len,

					const gchar  *needle);

gchar *               g_strrstr        (const gchar  *haystack,

					const gchar  *needle);

gchar *               g_strrstr_len    (const gchar  *haystack,

					gssize        haystack_len,

					const gchar  *needle);

gboolean              g_str_has_suffix (const gchar  *str,

					const gchar  *suffix);

gboolean              g_str_has_prefix (const gchar  *str,

					const gchar  *prefix);

/* String to/from double conversion functions */

gdouble	              g_strtod         (const gchar  *nptr,

					gchar	    **endptr);

gdouble	              g_ascii_strtod   (const gchar  *nptr,

					gchar	    **endptr);

guint64		      g_ascii_strtoull (const gchar *nptr,

					gchar      **endptr,

					guint        base);

gint64		      g_ascii_strtoll  (const gchar *nptr,

					gchar      **endptr,

					guint        base);

/* 29 bytes should enough for all possible values that

 * g_ascii_dtostr can produce.

 * Then add 10 for good measure */

#define G_ASCII_DTOSTR_BUF_SIZE (29 + 10)

gchar *               g_ascii_dtostr   (gchar        *buffer,

					gint          buf_len,

					gdouble       d);

gchar *               g_ascii_formatd  (gchar        *buffer,

					gint          buf_len,

					const gchar  *format,

					gdouble       d);

/* removes leading spaces */

gchar*                g_strchug        (gchar        *string);

/* removes trailing spaces */

gchar*                g_strchomp       (gchar        *string);

/* removes leading & trailing spaces */

#define g_strstrip( string )	g_strchomp (g_strchug (string))

gint                  g_ascii_strcasecmp  (const gchar *s1,

					   const gchar *s2);

gint                  g_ascii_strncasecmp (const gchar *s1,

					   const gchar *s2,

					   gsize        n);

gchar*                g_ascii_strdown     (const gchar *str,

					   gssize       len) G_GNUC_MALLOC;

gchar*                g_ascii_strup       (const gchar *str,

					   gssize       len) G_GNUC_MALLOC;

GLIB_DEPRECATED

gint                  g_strcasecmp     (const gchar *s1,

                                        const gchar *s2);

GLIB_DEPRECATED

gint                  g_strncasecmp    (const gchar *s1,

                                        const gchar *s2,

                                        guint        n);

GLIB_DEPRECATED

gchar*                g_strdown        (gchar       *string);

GLIB_DEPRECATED

gchar*                g_strup          (gchar       *string);

/* String utility functions that return a newly allocated string which

 * ought to be freed with g_free from the caller at some point.

 */

gchar*	              g_strdup	       (const gchar *str) G_GNUC_MALLOC;

gchar*	              g_strdup_printf  (const gchar *format,

					...) G_GNUC_PRINTF (1, 2) G_GNUC_MALLOC;

gchar*	              g_strdup_vprintf (const gchar *format,

					va_list      args) G_GNUC_MALLOC;

gchar*	              g_strndup	       (const gchar *str,

					gsize        n) G_GNUC_MALLOC;  

gchar*	              g_strnfill       (gsize        length,  

					gchar        fill_char) G_GNUC_MALLOC;

gchar*	              g_strconcat      (const gchar *string1,

					...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED;

gchar*                g_strjoin	       (const gchar  *separator,

					...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED;

/* Make a copy of a string interpreting C string -style escape

 * sequences. Inverse of g_strescape. The recognized sequences are \b

 * \f \n \r \t \\ \" and the octal format.

 */

gchar*                g_strcompress    (const gchar *source) G_GNUC_MALLOC;

/* Copy a string escaping nonprintable characters like in C strings.

 * Inverse of g_strcompress. The exceptions parameter, if non-NULL, points

 * to a string containing characters that are not to be escaped.

 *

 * Deprecated API: gchar* g_strescape (const gchar *source);

 * Luckily this function wasn't used much, using NULL as second parameter

 * provides mostly identical semantics.

 */

gchar*                g_strescape      (const gchar *source,

					const gchar *exceptions) G_GNUC_MALLOC;

gpointer              g_memdup	       (gconstpointer mem,

					guint	       byte_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(2);

/* NULL terminated string arrays.

 * g_strsplit(), g_strsplit_set() split up string into max_tokens tokens

 * at delim and return a newly allocated string array.

 * g_strjoinv() concatenates all of str_array's strings, sliding in an

 * optional separator, the returned string is newly allocated.

 * g_strfreev() frees the array itself and all of its strings.

 * g_strdupv() copies a NULL-terminated array of strings

 * g_strv_length() returns the length of a NULL-terminated array of strings

 */

gchar**	              g_strsplit       (const gchar  *string,

					const gchar  *delimiter,

					gint          max_tokens) G_GNUC_MALLOC;

gchar **	      g_strsplit_set   (const gchar *string,

					const gchar *delimiters,

					gint         max_tokens) G_GNUC_MALLOC;

gchar*                g_strjoinv       (const gchar  *separator,

					gchar       **str_array) G_GNUC_MALLOC;

void                  g_strfreev       (gchar       **str_array);

gchar**               g_strdupv        (gchar       **str_array) G_GNUC_MALLOC;

guint                 g_strv_length    (gchar       **str_array);

gchar*                g_stpcpy         (gchar        *dest,

                                        const char   *src);

G_END_DECLS

#endif /* __G_STRFUNCS_H__ */