michael@0: /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: #ifndef __UMAP__
michael@0: #define __UMAP__
michael@0: 
michael@0: #define NOMAPPING 0xfffd
michael@0: 
michael@0: enum {
michael@0: 	uFormat0Tag = 0,
michael@0: 	uFormat1Tag,
michael@0: 	uFormat2Tag,
michael@0: 	uNumFormatTag
michael@0: };
michael@0: 
michael@0: typedef struct {
michael@0: 		uint16_t srcBegin;		/* 2 byte	*/
michael@0: 		uint16_t srcEnd;			/* 2 byte	*/
michael@0: 		uint16_t destBegin;		/* 2 byte	*/
michael@0: } uFormat0;
michael@0: 
michael@0: typedef struct {
michael@0: 		uint16_t srcBegin;		/* 2 byte	*/
michael@0: 		uint16_t srcEnd;			/* 2 byte	*/
michael@0: 		uint16_t	mappingOffset;	/* 2 byte	*/
michael@0: } uFormat1;
michael@0: 
michael@0: typedef struct {
michael@0: 		uint16_t srcBegin;		/* 2 byte	*/
michael@0: 		uint16_t srcEnd;			/* 2 byte	-waste	*/
michael@0: 		uint16_t destBegin;		/* 2 byte	*/
michael@0: } uFormat2;
michael@0: 
michael@0: typedef struct  {
michael@0: 	union {
michael@0: 		uFormat0	format0;
michael@0: 		uFormat1	format1;
michael@0: 		uFormat2	format2;
michael@0: 	} fmt;
michael@0: } uMapCell;
michael@0: 
michael@0: #define UMAPCELL_SIZE (3*sizeof(uint16_t))
michael@0: 
michael@0: typedef struct  {
michael@0: 	uint16_t 		itemOfList;
michael@0: 	uint16_t		offsetToFormatArray;
michael@0: 	uint16_t		offsetToMapCellArray;
michael@0: 	uint16_t		offsetToMappingTable;
michael@0: 	uint16_t		data[1];
michael@0: } uTable;
michael@0: 
michael@0: #endif