First joining stuff checked in. Generate joining table using my beloved

packtab, in gen-joining-type-tab.c.  Defined FriBidiJoiningType type and wrote
accompanying functions and macros.

1 files changed, 143 insertions, 0 deletions

diff --git a/lib/fribidi-joining-types.h b/lib/fribidi-joining-types.h
new file mode 100644
index 0000000..7c635a2
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+++ b/lib/fribidi-joining-types.h
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+/* FriBidi
+ * fribidi-joining-types.h - character joining types
+ *
+ * $Id: fribidi-joining-types.h,v 1.1 2004-06-13 20:11:42 behdad Exp $
+ * $Author: behdad $
+ * $Date: 2004-06-13 20:11:42 $
+ * $Revision: 1.1 $
+ * $Source: /home/behdad/src/fdo/fribidi/togit/git/../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	0x10	/* Is transparent */
+#define FRIBIDI_MASK_IGNORED		0x20	/* Is ignored */
+#define FRIBIDI_MASK_LIGATURED		0x40	/* 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 */
+
+
+/*
+ * Defining macros for needed queries, It is fully dependent on the 
+ * implementation of FriBidiJoiningType.
+ */
+
+/* Joins to right? */
+#define FRIBIDI_JOINS_RIGHT(p)	((p) & FRIBIDI_MASK_JOINS_RIGHT)
+
+/* Joins to left? */
+#define FRIBIDI_JOINS_LEFT(p)	((p) & FRIBIDI_MASK_JOINS_LEFT)
+
+/* Joins to left? */
+#define FRIBIDI_ARAB_SHAPES(p)	((p) & FRIBIDI_MASK_ARAB_SHAPES)
+
+/* Is transparent in joining? */
+#define FRIBIDI_IS_JOIN_TRANSPARENT(p)	((p) & FRIBIDI_MASK_TRANSPARENT)
+
+/* Is ignored in joining? */
+#define FRIBIDI_IS_JOIN_IGNORED(p)	((p) & FRIBIDI_MASK_IGNORED)
+
+/* Is skipped in joining? */
+#define FRIBIDI_IS_JOIN_SKIPPED(p)	\
+	((p) & (FRIBIDI_MASK_TRANSPARENT | FRIBIDI_MASK_IGNORED))
+
+
+#define fribidi_joining_type_name FRIBIDI_NAMESPACE(joining_type_name)
+/* fribidi_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.
+ */
+FRIBIDI_ENTRY const char *
+fribidi_joining_type_name (
+  FriBidiJoiningType j		/* input joining type */
+) FRIBIDI_GNUC_CONST;
+
+#include "fribidi-enddecls.h"
+
+#endif /* !_FRIBIDI_JOINING_TYPES_H */
+/* Editor directions:
+ * vim:textwidth=78:tabstop=8:shiftwidth=2:autoindent:cindent
+ */