/usr/include/fribidi/fribidi-joining-types.h is in libfribidi-dev 0.19.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* fribidi-joining-types.h - character joining types
*
* $Id: fribidi-joining-types.h,v 1.5 2005/11/03 01:39:01 behdad Exp $
* $Author: behdad $
* $Date: 2005/11/03 01:39:01 $
* $Revision: 1.5 $
* $Source: /cvs/fribidi/fribidi2/lib/fribidi-joining-types.h,v $
*
* Author:
* Behdad Esfahbod, 2001, 2002, 2004
*
* Copyright (C) 2004 Sharif FarsiWeb, Inc.
* Copyright (C) 2001,2002 Behdad Esfahbod
*
* 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 2.1 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, in a file named COPYING; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA
*
* For licensing issues, contact <license@farsiweb.info>.
*/
#ifndef _FRIBIDI_JOINING_TYPES_H
#define _FRIBIDI_JOINING_TYPES_H
#include "fribidi-common.h"
#include "fribidi-types.h"
#include "fribidi-begindecls.h"
/*
* Define bit masks that joining types are based on, each mask has
* only one bit set.
*/
#define FRIBIDI_MASK_JOINS_RIGHT 0x01 /* May join to right */
#define FRIBIDI_MASK_JOINS_LEFT 0x02 /* May join to right */
#define FRIBIDI_MASK_ARAB_SHAPES 0x04 /* May Arabic shape */
#define FRIBIDI_MASK_TRANSPARENT 0x08 /* Is transparent */
#define FRIBIDI_MASK_IGNORED 0x10 /* Is ignored */
#define FRIBIDI_MASK_LIGATURED 0x20 /* Is ligatured */
/*
* Define values for FriBidiJoiningType
*/
/* nUn-joining */
#define FRIBIDI_JOINING_TYPE_U_VAL ( 0 )
/* Right-joining */
#define FRIBIDI_JOINING_TYPE_R_VAL \
( FRIBIDI_MASK_JOINS_RIGHT | FRIBIDI_MASK_ARAB_SHAPES )
/* Dual-joining */
#define FRIBIDI_JOINING_TYPE_D_VAL \
( FRIBIDI_MASK_JOINS_RIGHT | FRIBIDI_MASK_JOINS_LEFT \
| FRIBIDI_MASK_ARAB_SHAPES )
/* join-Causing */
#define FRIBIDI_JOINING_TYPE_C_VAL \
( FRIBIDI_MASK_JOINS_RIGHT | FRIBIDI_MASK_JOINS_LEFT )
/* Left-joining */
#define FRIBIDI_JOINING_TYPE_L_VAL \
( FRIBIDI_MASK_JOINS_LEFT | FRIBIDI_MASK_ARAB_SHAPES )
/* Transparent */
#define FRIBIDI_JOINING_TYPE_T_VAL \
( FRIBIDI_MASK_TRANSPARENT | FRIBIDI_MASK_ARAB_SHAPES )
/* iGnored */
#define FRIBIDI_JOINING_TYPE_G_VAL ( FRIBIDI_MASK_IGNORED )
enum _FriBidiJoiningTypeEnum
{
# define _FRIBIDI_ADD_TYPE(TYPE,SYMBOL) \
FRIBIDI_JOINING_TYPE_##TYPE = FRIBIDI_JOINING_TYPE_##TYPE##_VAL,
# include "fribidi-joining-types-list.h"
# undef _FRIBIDI_ADD_TYPE
_FRIBIDI_JOINING_TYPE_JUNK /* Don't use this */
};
#ifdef __FRIBIDI_DOC
typedef enum _FriBidiJoiningTypeEnum FriBidiJoiningType;
#else /* !__FRIBIDI_DOC */
typedef fribidi_uint8 FriBidiJoiningType;
#endif /* !__FRIBIDI_DOC */
/* FriBidiArabicProp is essentially the same type as FriBidiJoiningType, but
* not limited to the few values returned by fribidi_get_joining_type. */
typedef fribidi_uint8 FriBidiArabicProp;
/*
* The equivalent of JoiningType values for ArabicProp
*/
/* Primary Arabic Joining Classes (Table 8-2) */
/* nUn-joining */
#define FRIBIDI_IS_JOINING_TYPE_U(p) \
( 0 == ( (p) & \
( FRIBIDI_MASK_TRANSPARENT | FRIBIDI_MASK_IGNORED \
| FRIBIDI_MASK_JOINS_RIGHT | FRIBIDI_MASK_JOINS_LEFT ) ) )
/* Right-joining */
#define FRIBIDI_IS_JOINING_TYPE_R(p) \
( FRIBIDI_MASK_JOINS_RIGHT == ( (p) & \
( FRIBIDI_MASK_TRANSPARENT | FRIBIDI_MASK_IGNORED \
| FRIBIDI_MASK_JOINS_RIGHT | FRIBIDI_MASK_JOINS_LEFT ) ) )
/* Dual-joining */
#define FRIBIDI_IS_JOINING_TYPE_D(p) \
( ( FRIBIDI_MASK_JOINS_RIGHT | FRIBIDI_MASK_JOINS_LEFT \
| FRIBIDI_MASK_ARAB_SHAPES ) == ( (p) & \
( FRIBIDI_MASK_TRANSPARENT | FRIBIDI_MASK_IGNORED \
| FRIBIDI_MASK_JOINS_RIGHT | FRIBIDI_MASK_JOINS_LEFT \
| FRIBIDI_MASK_ARAB_SHAPES ) ) )
/* join-Causing */
#define FRIBIDI_IS_JOINING_TYPE_C(p) \
( ( FRIBIDI_MASK_JOINS_RIGHT | FRIBIDI_MASK_JOINS_LEFT ) == ( (p) & \
( FRIBIDI_MASK_TRANSPARENT | FRIBIDI_MASK_IGNORED \
| FRIBIDI_MASK_JOINS_RIGHT | FRIBIDI_MASK_JOINS_LEFT \
| FRIBIDI_MASK_ARAB_SHAPES ) ) )
/* Left-joining */
#define FRIBIDI_IS_JOINING_TYPE_L(p) \
( FRIBIDI_MASK_JOINS_LEFT == ( (p) & \
( FRIBIDI_MASK_TRANSPARENT | FRIBIDI_MASK_IGNORED \
| FRIBIDI_MASK_JOINS_RIGHT | FRIBIDI_MASK_JOINS_LEFT ) ) )
/* Transparent */
#define FRIBIDI_IS_JOINING_TYPE_T(p) \
( FRIBIDI_MASK_TRANSPARENT == ( (p) & \
( FRIBIDI_MASK_TRANSPARENT | FRIBIDI_MASK_IGNORED ) ) )
/* iGnored */
#define FRIBIDI_IS_JOINING_TYPE_G(p) \
( FRIBIDI_MASK_IGNORED == ( (p) & \
( FRIBIDI_MASK_TRANSPARENT | FRIBIDI_MASK_IGNORED ) ) )
/* and for Derived Arabic Joining Classes (Table 8-3) */
/* Right join-Causing */
#define FRIBIDI_IS_JOINING_TYPE_RC(p) \
( FRIBIDI_MASK_JOINS_RIGHT == ( (p) & \
( FRIBIDI_MASK_TRANSPARENT | FRIBIDI_MASK_IGNORED \
| FRIBIDI_MASK_JOINS_RIGHT ) ) )
/* Left join-Causing */
#define FRIBIDI_IS_JOINING_TYPE_LC(p) \
( FRIBIDI_MASK_JOINS_LEFT == ( (p) & \
( FRIBIDI_MASK_TRANSPARENT | FRIBIDI_MASK_IGNORED \
| FRIBIDI_MASK_JOINS_LEFT ) ) )
/*
* Defining macros for needed queries, It is fully dependent on the
* implementation of FriBidiJoiningType.
*/
/* Joins to right: R, D, C? */
#define FRIBIDI_JOINS_RIGHT(p) ((p) & FRIBIDI_MASK_JOINS_RIGHT)
/* Joins to left: L, D, C? */
#define FRIBIDI_JOINS_LEFT(p) ((p) & FRIBIDI_MASK_JOINS_LEFT)
/* May shape: R, D, L, T? */
#define FRIBIDI_ARAB_SHAPES(p) ((p) & FRIBIDI_MASK_ARAB_SHAPES)
/* Is skipped in joining: T, G? */
#define FRIBIDI_IS_JOIN_SKIPPED(p) \
((p) & (FRIBIDI_MASK_TRANSPARENT | FRIBIDI_MASK_IGNORED))
/* Is base that will be shaped: R, D, L? */
#define FRIBIDI_IS_JOIN_BASE_SHAPES(p) \
( FRIBIDI_MASK_ARAB_SHAPES == ( (p) & \
( FRIBIDI_MASK_TRANSPARENT | FRIBIDI_MASK_IGNORED \
| FRIBIDI_MASK_ARAB_SHAPES ) ) )
#define FRIBIDI_JOINS_PRECEDING_MASK(level) \
(FRIBIDI_LEVEL_IS_RTL (level) ? FRIBIDI_MASK_JOINS_RIGHT \
: FRIBIDI_MASK_JOINS_LEFT)
#define FRIBIDI_JOINS_FOLLOWING_MASK(level) \
(FRIBIDI_LEVEL_IS_RTL (level) ? FRIBIDI_MASK_JOINS_LEFT \
: FRIBIDI_MASK_JOINS_RIGHT)
#define FRIBIDI_JOIN_SHAPE(p) \
((p) & ( FRIBIDI_MASK_JOINS_RIGHT | FRIBIDI_MASK_JOINS_LEFT ))
/* Functions finally */
#define fribidi_get_joining_type FRIBIDI_NAMESPACE(get_joining_type)
/* fribidi_get_joining_type - get character joining type
*
* This function returns the joining type of a character as defined in Table
* 8-2 Primary Arabic Joining Classes of the Unicode standard available at
* http://www.unicode.org/versions/Unicode4.0.0/ch08.pdf#G7462, using data
* provided in file ArabicShaping.txt and UnicodeData.txt of the Unicode
* Character Database available at
* http://www.unicode.org/Public/UNIDATA/ArabicShaping.txt and
* http://www.unicode.org/Public/UNIDATA/UnicodeData.txt.
*
* There are a few macros defined in fribidi-joining-types.h for querying a
* joining type.
*/
FRIBIDI_ENTRY FriBidiJoiningType
fribidi_get_joining_type (
FriBidiChar ch /* input character */
) FRIBIDI_GNUC_CONST;
#define fribidi_get_joining_types FRIBIDI_NAMESPACE(get_joining_types)
/* fribidi_get_joining_types - get joining types for an string of characters
*
* This function finds the joining types of an string of characters. See
* fribidi_get_joining_type for more information about the joining types
* returned by this function.
*/
FRIBIDI_ENTRY void fribidi_get_joining_types (
const FriBidiChar *str, /* input string */
const FriBidiStrIndex len, /* input string length */
FriBidiJoiningType *jtypes /* output joining types */
);
#define fribidi_get_joining_type_name FRIBIDI_NAMESPACE(get_joining_type_name)
/* fribidi_get_joining_type_name - get joining type name
*
* This function returns the joining type name of a joining type. The
* returned string is a static string and should not be freed.
*
* The type names are the same as ones defined in Table 8-2 Primary Arabic
* Joining Classes of the Unicode standard available at
* http://www.unicode.org/versions/Unicode4.0.0/ch08.pdf#G7462.
*/
FRIBIDI_ENTRY const char *fribidi_get_joining_type_name (
FriBidiJoiningType j /* input joining type */
) FRIBIDI_GNUC_CONST;
#include "fribidi-enddecls.h"
#endif /* !_FRIBIDI_JOINING_TYPES_H */
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