/*============================================================================ Microsoft Simplified Chinese Proofreading Engine Microsoft Confidential. Copyright 1997-1999 Microsoft Corporation. All Rights Reserved. Component: Utility.h Purpose: Utility stuffs Notes: Owner: donghz@microsoft.com Platform: Win32 Revise: First created by: donghz 4/21/97 ============================================================================*/ #ifndef _UTILITY_H_ #define _UTILITY_H_ #include #ifdef __cplusplus extern "C" { #endif // __cplusplus // Get base directory of the given path BOOL GetBaseDirectory(LPCTSTR szFullPath, LPTSTR szBaseDir, int cBaseBuf); // Get the file name from the given path LPTSTR GetFileNameFromPath(LPCTSTR lpszPath); // Check whether the given char is an EUDC char BOOL fIsGBKEUDCChar(WORD wChar); // Check whether the given char is an EUDC char BOOL fIsEUDCChar(WCHAR wChar); // Check whether the given Unicode char is an CJK Unified Ideograph char BOOL fIsIdeograph(WORD wChar); // wChar is an Unicode char /*============================================================================ IsSurrogateChar Test if the 2 WCHAR at given pointer is a Surrogate char. Entry: pwch - pointer to 2 WCHAR Return: TRUE FALSE Caution: Caller side must make sure the 4 bytes are valid memory! ============================================================================*/ inline BOOL IsSurrogateChar(LPCWSTR pwch) { assert(! IsBadReadPtr((CONST VOID*)pwch, sizeof(WCHAR) * 2)); if (((*pwch & 0xFC00) == 0xD800) && ((*(pwch+1) & 0xFC00) == 0xDC00)) { return TRUE; } assert(((*pwch & 0xFC00) != 0xD800) && ((*(pwch+1) & 0xFC00) != 0xDC00)); return FALSE; }; // Calculate length with Surrogate support of given 2byte Unicode string UINT WideCharStrLenToSurrogateStrLen(LPCWSTR pwch, UINT cwch); // Calculate length in WCHAR of given Surrogate string UINT SurrogateStrLenToWideCharStrLen(const WORD *pwSurrogate, UINT cchSurrogate); int ustrcmp (const unsigned char * src, const unsigned char * dst); /*============================================================================ My DBCS validation function ============================================================================*/ // Define Lex CodePage table constants #define LEXLB 0x80 // Lex DBCS Lead byte #define LEXTB 0x40 // Lex DBCS Trail byte #define LEXSB 0x01 // ANSI single byte // Define the static s_LexCPTable static UCHAR s_LexCPTable[256] = { 0, 0, 0, 0, 0, 0, 0, 0, // 0x07 0, 0, 0, 0, 0, 0, 0, 0, // 0x0F 0, 0, 0, 0, 0, 0, 0, 0, // 0x17 0, 0, 0, 0, 0, 0, 0, 0, // 0x1F LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, // 0x27 LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, // 0x2F LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, // 0x37 LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, LEXSB, // 0x3F LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x43 LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x47 LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x4B LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x4F LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x53 LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x57 LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x5B LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x5F LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x63 LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x67 LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x6B LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x6F LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x73 LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x77 LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, // 0x7B LEXSB | LEXTB, LEXSB | LEXTB, LEXSB | LEXTB, 0, // 0x7F LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0x83 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0x87 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0x8B LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0x8F LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0x93 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0x97 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0x9B LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0x9F LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xA3 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xA7 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xAB LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xAF LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xB3 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xB7 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xBB LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xBF LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xC3 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xC7 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xCB LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xCF LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xD3 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xD7 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xDB LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xDF LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xE3 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xE7 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xEB LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xEF LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xF3 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xF7 LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, // 0xFB LEXLB | LEXTB, LEXLB | LEXTB, LEXLB | LEXTB, 0 // 0xFF }; inline BOOL fIsDBCSLead(UCHAR uch) { return (s_LexCPTable[uch] & LEXLB); } inline BOOL fIsDBCSTrail(UCHAR uch) { return (s_LexCPTable[uch] & LEXTB); } #ifdef __cplusplus } #endif // __cplusplus #endif // _UTILITY_H_