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Diffstat (limited to 'src/classlibnative/inc/nlstable.h')
| -rw-r--r-- | src/classlibnative/inc/nlstable.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/src/classlibnative/inc/nlstable.h b/src/classlibnative/inc/nlstable.h deleted file mode 100644 index b5f5a4bca6..0000000000 --- a/src/classlibnative/inc/nlstable.h +++ /dev/null @@ -1,121 +0,0 @@ -// Licensed to the .NET Foundation under one or more agreements. -// The .NET Foundation licenses this file to you under the MIT license. -// See the LICENSE file in the project root for more information. - -// ==++== -// - -// - -// -// TODO: NLS Arrowhead - when we have win7 unicode support this can "go away" -// ==--== -#ifndef _NLSTABLE_H -#define _NLSTABLE_H - -//////////////////////////////////////////////////////////////////////////// -// -// Class: NLSTable -// -// Purpose: The base class for NLS+ table. This class provides the utility -// functions to open and map a view of NLS+ data files. -// -// Date: August 31, 1999 -// -//////////////////////////////////////////////////////////////////////////// - -typedef LPWORD P844_TABLE; // ptr to 8:4:4 table - -// -// Macros For High and Low Nibbles of a BYTE. -// -#define LO_NIBBLE(b) ((BYTE)((BYTE)(b) & 0xF)) -#define HI_NIBBLE(b) ((BYTE)(((BYTE)(b) >> 4) & 0xF)) - -// -// Macros for Extracting the 8:4:4 Index Values. -// -#define GET8(w) (HIBYTE(w)) -#define GETHI4(w) (HI_NIBBLE(LOBYTE(w))) -#define GETLO4(w) (LO_NIBBLE(LOBYTE(w))) - -//////////////////////////////////////////////////////////////////////////// -// -// Traverse844Byte -// -// Traverses the 8:4:4 translation table for the given wide character. It -// returns the final value of the 8:4:4 table, which is a BYTE in length. -// -// NOTE: Offsets in table are in BYTES. -// -// Broken Down Version: -// -------------------- -// Incr = pTable[GET8(wch)] / sizeof(WORD); -// Incr = pTable[Incr + GETHI4(wch)]; -// Value = (BYTE *)pTable[Incr + GETLO4(wch)]; -// -// -//////////////////////////////////////////////////////////////////////////// - -inline BYTE& Traverse844Byte(const WORD * pTable, WCHAR wch) -{ - return ( - ((BYTE *)pTable)[ - pTable[ - (pTable[GET8(wch)] / sizeof(WORD)) + GETHI4(wch) - ] + GETLO4(wch) - ] - ); -} - -//////////////////////////////////////////////////////////////////////////// -// -// Traverse844Word -// -// Traverses the 8:4:4 translation table for the given wide character. It -// returns the final value of the 8:4:4 table, which is a WORD in length. -// -// Broken Down Version: -// -------------------- -// Incr = pTable[GET8(wch)]; -// Incr = pTable[Incr + GETHI4(wch)]; -// Value = pTable[Incr + GETLO4(wch)]; -// -// -//////////////////////////////////////////////////////////////////////////// - -inline WORD Traverse844Word(const WORD * pTable, WCHAR wch) -{ - return (pTable[pTable[pTable[GET8(wch)] + GETHI4(wch)] + GETLO4(wch)]); -} - -//////////////////////////////////////////////////////////////////////////// -// -// GET_INCR_VALUE -// -// Gets the value of a given wide character from the given 8:4:4 table. It -// then uses the value as an increment by adding it to the given wide -// character code point. -// -// NOTE: Whenever there is no translation for the given code point, the -// tables will return an increment value of 0. This way, the -// wide character passed in is the same value that is returned. -// -// DEFINED AS A MACRO. -// -// -//////////////////////////////////////////////////////////////////////////// - -inline WCHAR GetIncrValue(const WORD * p844Tbl, WCHAR wch) -{ - return ((WCHAR)(wch + Traverse844Word(p844Tbl, wch))); -} - -class NLSTable -{ - public: - static HANDLE CreateSharedMemoryMapping(const LPCWSTR pMappingName, const int iSize ); - static PBYTE OpenOrCreateMemoryMapping(const LPCWSTR pMappingName, const int iSize , HANDLE *mappedFile); -}; - -#endif // _NLSTABLE_H |