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347 lines
12 KiB
347 lines
12 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1996-1999.
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//
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// File: langreg.hxx
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//
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// Contents: Macros for Self-registration of Word Breakers and Stemmers
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//
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// Functions: Macros to create DllRegisterServer, DllUnregisterServer
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//
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// History: 05-Jan-99 AlanW Created from filtreg.hxx
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//
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//----------------------------------------------------------------------------
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#pragma once
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//
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// Structure to define language resource class
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//
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struct SLangClassEntry
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{
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WCHAR const * pwszClassId;
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WCHAR const * pwszClassIdDescription;
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WCHAR const * pwszDLL;
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WCHAR const * pwszThreadingModel;
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};
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struct SLangRegistry
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{
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WCHAR const * pwszLangName;
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LONG lcid;
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SLangClassEntry WordBreaker;
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SLangClassEntry Stemmer;
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};
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//
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// Sample use of the structures
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//
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//
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// SLangClassEntry const NeutralWordBreaker =
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// { L"{369647e0-17b0-11ce-9950-00aa004bbb1f}",
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// L"Neutral Word Breaker",
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// L"query.dll",
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// L"both" };
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//
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// SLangRegistry const English_US_LangRes =
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// { L"English_US", 1033,
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// { L"{59e09780-8099-101b-8df3-00000b65c3b5}",
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// L"English_US Word Breaker",
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// L"infosoft.dll",
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// L"both" },
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// { L"{eeed4c20-7f1b-11ce-be57-00aa0051fe20}",
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// L"English_US Stemmer",
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// L"infosoft.dll",
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// L"both" }
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// };
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//
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//
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// Function prototypes
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//
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inline long RegisterALanguageResource( SLangRegistry const & LangRes );
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inline long RegisterALanguageClass( SLangClassEntry const & LangClass );
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inline long UnRegisterALanguageResource( SLangRegistry const & LangRes );
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inline long UnRegisterALanguageClass( SLangClassEntry const & LangClass );
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//+---------------------------------------------------------------------------
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//
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// Function: RegisterALanguageResource, private
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//
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// Synopsis: Registers a language resource.
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//
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// Arguments: [LangRes] -- Language resource description
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//
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// Returns: ERROR_SUCCESS on success
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//
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// History: 05-Jan-99 AlanW Created
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//
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//----------------------------------------------------------------------------
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inline long RegisterALanguageResource( SLangRegistry const & LangRes )
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{
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WCHAR wcTemp[MAX_PATH];
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long dwError;
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HKEY hKey = (HKEY)INVALID_HANDLE_VALUE;
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wcscpy( wcTemp, L"System\\CurrentControlSet\\Control\\ContentIndex\\Language\\" );
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if ( ( wcslen( wcTemp ) + wcslen( LangRes.pwszLangName ) ) >= MAX_PATH )
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return ERROR_INSUFFICIENT_BUFFER;
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wcscat( wcTemp, LangRes.pwszLangName );
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do
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{
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DWORD dwDisposition;
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dwError = RegCreateKeyExW( HKEY_LOCAL_MACHINE, // Root
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wcTemp, // Sub key
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0, // Reserved
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0, // Class
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0, // Flags
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KEY_ALL_ACCESS, // Access
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0, // Security
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&hKey, // Handle
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&dwDisposition ); // Disposition
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if ( ERROR_SUCCESS != dwError )
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break;
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//
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// Write the locale ID
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//
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dwError = RegSetValueExW( hKey, // Key
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L"Locale", // Name
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0, // Reserved
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REG_DWORD, // Type
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(BYTE *)&LangRes.lcid, // Value
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sizeof DWORD );
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if ( ERROR_SUCCESS != dwError )
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break;
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//
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// Create the word breaker class description
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//
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if (LangRes.WordBreaker.pwszClassId != 0)
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{
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dwError = RegisterALanguageClass( LangRes.WordBreaker );
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if ( ERROR_SUCCESS != dwError )
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break;
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dwError = RegSetValueExW( hKey, // Key
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L"WBreakerClass", // Name
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0, // Reserved
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REG_SZ, // Type
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(BYTE *)LangRes.WordBreaker.pwszClassId, // Value
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(1 + wcslen(LangRes.WordBreaker.pwszClassId) ) * sizeof(WCHAR) );
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if ( ERROR_SUCCESS != dwError )
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break;
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}
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//
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// Create the stemmer class description
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//
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if (LangRes.Stemmer.pwszClassId != 0)
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{
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dwError = RegisterALanguageClass( LangRes.Stemmer );
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if ( ERROR_SUCCESS != dwError )
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break;
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dwError = RegSetValueExW( hKey, // Key
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L"StemmerClass", // Name
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0, // Reserved
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REG_SZ, // Type
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(BYTE *)LangRes.Stemmer.pwszClassId, // Value
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(1 + wcslen(LangRes.Stemmer.pwszClassId) ) * sizeof(WCHAR) );
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if ( ERROR_SUCCESS != dwError )
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break;
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}
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} while( FALSE );
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if ( (HKEY)INVALID_HANDLE_VALUE != hKey )
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{
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RegCloseKey( hKey );
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hKey = (HKEY)INVALID_HANDLE_VALUE;
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}
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return dwError;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: UnRegisterALanguageResource, private
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//
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// Synopsis: Unregisters a language resource.
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//
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// Arguments: [LangRes] -- Language resource description
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//
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// Returns: ERROR_SUCCESS on success
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//
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// History: 05-Jan-99 AlanW Created
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//
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//----------------------------------------------------------------------------
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inline long UnRegisterALanguageResource( SLangRegistry const & LangRes )
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{
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WCHAR wcTemp[MAX_PATH];
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wcscpy( wcTemp, L"System\\CurrentControlSet\\Control\\ContentIndex\\Language\\" );
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if ( ( wcslen( wcTemp ) + wcslen( LangRes.pwszLangName ) ) >= MAX_PATH )
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return ERROR_INSUFFICIENT_BUFFER;
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wcscat( wcTemp, LangRes.pwszLangName );
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HKEY hKey = (HKEY)INVALID_HANDLE_VALUE;
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long dwError = RegOpenKeyExW( HKEY_LOCAL_MACHINE, // Root
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wcTemp, // Sub key
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0, // Reserved
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KEY_ALL_ACCESS, // Access
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&hKey ); // Handle
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//
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// Delete the word breaker class description
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//
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if (LangRes.WordBreaker.pwszClassId != 0)
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{
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dwError = UnRegisterALanguageClass( LangRes.WordBreaker );
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if (hKey != INVALID_HANDLE_VALUE)
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dwError = RegDeleteValueW( hKey, // Key
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L"WBreakerClass" ); // Name
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}
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//
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// Create the stemmer class description
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//
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if (LangRes.Stemmer.pwszClassId != 0)
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{
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dwError = UnRegisterALanguageClass( LangRes.Stemmer );
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if (hKey != INVALID_HANDLE_VALUE)
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dwError = RegDeleteValueW( hKey, // Key
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L"StemmerClass" ); // Name
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}
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if (hKey != INVALID_HANDLE_VALUE)
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{
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DWORD dwNumofKeys = 0;
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DWORD dwNumofValues = 0;
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dwError = RegQueryInfoKeyW( hKey, // Hkey
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0, // Buffer for class string
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0, // Size of class string buffer
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0, // reserved
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&dwNumofKeys,// number of subkeys
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0, // longest subkey name length
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0, // longest class string length
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&dwNumofValues,// number of value entries
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0, // longest value name length
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0, // longest value data length
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0, // security descriptor length
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0 ); // last write time);
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if ( ERROR_SUCCESS == dwError )
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{
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if ( (dwNumofValues == 1) && (dwNumofKeys==0) )
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{
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//
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// There is only one value and no sub-keys under this key,
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// Delete the Locale value and then the sub-key for this Lang
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// if that succeeded.
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//
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RegDeleteValueW( hKey, // Key
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L"Locale" ); // Name
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dwError = RegQueryInfoKeyW( hKey, // Hkey
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0, // class string
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0, // Size of class string
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0, // reserved
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&dwNumofKeys,
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0, // max subkey name len
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0, // max class string len
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&dwNumofValues,
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0, // max value name len
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0, // max value data len
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0, // security desc len
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0 ); // last write time);
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}
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}
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RegCloseKey( hKey );
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if ( ERROR_SUCCESS == dwError &&
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(0 == dwNumofValues) &&
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(0 == dwNumofKeys) )
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dwError = RegDeleteKeyW( HKEY_LOCAL_MACHINE, // Root
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wcTemp ); // Sub key
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}
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return dwError;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: RegisterALanguageClass, private
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//
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// Synopsis: Registers a language resource classID in registry
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//
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// Arguments: [LangClass] -- IWordBreaker or IStemmer description
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//
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// Returns: ERROR_SUCCESS on success
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//
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// History: 05-Jan-99 AlanW Created
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//
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//----------------------------------------------------------------------------
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inline long RegisterALanguageClass( SLangClassEntry const & LangClass )
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{
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WCHAR const * aKeyValues[4] = { LangClass.pwszClassId,
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LangClass.pwszClassIdDescription,
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L"InprocServer32",
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LangClass.pwszDLL };
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long retVal = BuildKeyValues( aKeyValues, sizeof(aKeyValues)/sizeof(aKeyValues[0]) );
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if ( ERROR_SUCCESS == retVal )
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retVal = AddThreadingModel( LangClass.pwszClassId, LangClass.pwszThreadingModel );
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return retVal;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: UnRegisterALanguageClass, private
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//
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// Synopsis: Unregisters a language resource classID
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//
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// Arguments: [LangClass] -- IWordBreaker or IStemmer description
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//
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// Returns: ERROR_SUCCESS on success
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//
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// History: 05-Jan-99 AlanW Created
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//
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//----------------------------------------------------------------------------
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inline long UnRegisterALanguageClass( SLangClassEntry const & LangClass )
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{
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WCHAR const * aKeyValues[4] = { LangClass.pwszClassId,
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LangClass.pwszClassIdDescription,
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L"InprocServer32",
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LangClass.pwszDLL };
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return DestroyKeyValues( aKeyValues, sizeof(aKeyValues)/sizeof(aKeyValues[0]) );
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}
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