/* -*- mode: C; c-file-style: "gnu" -*- */
/* Pango
 * pango-script.h: Script tag handling
 *
 * Copyright (C) 2002 Red Hat Software
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library 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
 * 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef __PANGO_SCRIPT_H__
#define __PANGO_SCRIPT_H__

#include <glib.h>

#include <pango/pango-types.h>

G_BEGIN_DECLS

/**
 * PangoScriptIter:

 * A #PangoScriptIter is used to iterate through a string
 * and identify ranges in different scripts.
 **/
typedef struct _PangoScriptIter PangoScriptIter;

typedef enum {                         /* ISO 15924 code */
      PANGO_SCRIPT_INVALID_CODE = -1,
      PANGO_SCRIPT_COMMON       = 0,   /* Zyyy */
      PANGO_SCRIPT_INHERITED,          /* Qaai */
      PANGO_SCRIPT_ARABIC,             /* Arab */
      PANGO_SCRIPT_ARMENIAN,           /* Armn */
      PANGO_SCRIPT_BENGALI,            /* Beng */
      PANGO_SCRIPT_BOPOMOFO,           /* Bopo */
      PANGO_SCRIPT_CHEROKEE,           /* Cher */
      PANGO_SCRIPT_COPTIC,             /* Qaac */
      PANGO_SCRIPT_CYRILLIC,           /* Cyrl (Cyrs) */
      PANGO_SCRIPT_DESERET,            /* Dsrt */
      PANGO_SCRIPT_DEVANAGARI,         /* Deva */
      PANGO_SCRIPT_ETHIOPIC,           /* Ethi */
      PANGO_SCRIPT_GEORGIAN,           /* Geor (Geon, Geoa) */
      PANGO_SCRIPT_GOTHIC,             /* Goth */
      PANGO_SCRIPT_GREEK,              /* Grek */
      PANGO_SCRIPT_GUJARATI,           /* Gujr */
      PANGO_SCRIPT_GURMUKHI,           /* Guru */
      PANGO_SCRIPT_HAN,                /* Hani */
      PANGO_SCRIPT_HANGUL,             /* Hang */
      PANGO_SCRIPT_HEBREW,             /* Hebr */
      PANGO_SCRIPT_HIRAGANA,           /* Hira */
      PANGO_SCRIPT_KANNADA,            /* Knda */
      PANGO_SCRIPT_KATAKANA,           /* Kana */
      PANGO_SCRIPT_KHMER,              /* Khmr */
      PANGO_SCRIPT_LAO,                /* Laoo */
      PANGO_SCRIPT_LATIN,              /* Latn (Latf, Latg) */
      PANGO_SCRIPT_MALAYALAM,          /* Mlym */
      PANGO_SCRIPT_MONGOLIAN,          /* Mong */
      PANGO_SCRIPT_MYANMAR,            /* Mymr */
      PANGO_SCRIPT_OGHAM,              /* Ogam */
      PANGO_SCRIPT_OLD_ITALIC,         /* Ital */
      PANGO_SCRIPT_ORIYA,              /* Orya */
      PANGO_SCRIPT_RUNIC,              /* Runr */
      PANGO_SCRIPT_SINHALA,            /* Sinh */
      PANGO_SCRIPT_SYRIAC,             /* Syrc (Syrj, Syrn, Syre) */
      PANGO_SCRIPT_TAMIL,              /* Taml */
      PANGO_SCRIPT_TELUGU,             /* Telu */
      PANGO_SCRIPT_THAANA,             /* Thaa */
      PANGO_SCRIPT_THAI,               /* Thai */
      PANGO_SCRIPT_TIBETAN,            /* Tibt */
      PANGO_SCRIPT_CANADIAN_ABORIGINAL, /* Cans */
      PANGO_SCRIPT_YI,                 /* Yiii */
      PANGO_SCRIPT_TAGALOG,            /* Tglg */
      PANGO_SCRIPT_HANUNOO,            /* Hano */
      PANGO_SCRIPT_BUHID,              /* Buhd */
      PANGO_SCRIPT_TAGBANWA,           /* Tagb */

      /* Unicode-4.0 additions */
      PANGO_SCRIPT_BRAILLE,            /* Brai */
      PANGO_SCRIPT_CYPRIOT,            /* Cprt */
      PANGO_SCRIPT_LIMBU,              /* Limb */
      PANGO_SCRIPT_OSMANYA,            /* Osma */
      PANGO_SCRIPT_SHAVIAN,            /* Shaw */
      PANGO_SCRIPT_LINEAR_B,           /* Linb */
      PANGO_SCRIPT_TAI_LE,             /* Tale */
      PANGO_SCRIPT_UGARITIC,           /* Ugar */
      
      /* Unicode-4.1 additions */
      PANGO_SCRIPT_NEW_TAI_LUE,        /* Talu */
      PANGO_SCRIPT_BUGINESE,           /* Bugi */
      PANGO_SCRIPT_GLAGOLITIC,         /* Glag */
      PANGO_SCRIPT_TIFINAGH,           /* Tfng */
      PANGO_SCRIPT_SYLOTI_NAGRI,       /* Sylo */
      PANGO_SCRIPT_OLD_PERSIAN,        /* Xpeo */
      PANGO_SCRIPT_KHAROSHTHI,         /* Khar */

      /* Unicode-5.0 additions */
      PANGO_SCRIPT_UNKNOWN,            /* Zzzz */
      PANGO_SCRIPT_BALINESE,           /* Bali */
      PANGO_SCRIPT_CUNEIFORM,          /* Xsux */
      PANGO_SCRIPT_PHOENICIAN,         /* Phnx */
      PANGO_SCRIPT_PHAGS_PA,           /* Phag */
      PANGO_SCRIPT_NKO                 /* Nkoo */
} PangoScript;

PangoScript pango_script_for_unichar         (gunichar             ch);

PangoScriptIter *pango_script_iter_new       (const char          *text,
					      int                  length);
void             pango_script_iter_get_range (PangoScriptIter      *iter,
					      G_CONST_RETURN char **start,
					      G_CONST_RETURN char **end,
					      PangoScript          *script);
gboolean         pango_script_iter_next      (PangoScriptIter      *iter);
void             pango_script_iter_free      (PangoScriptIter      *iter);

PangoLanguage *pango_script_get_sample_language (PangoScript    script);
gboolean       pango_language_includes_script   (PangoLanguage *language,
						 PangoScript    script);

G_END_DECLS

#endif /* __PANGO_SCRIPT_H__ */