592 lines
19 KiB
C++
592 lines
19 KiB
C++
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//+---------------------------------------------------------------------------
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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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#include <olectl.h>
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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: BuildKeyValues, private
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//
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// Effects: Given array of key, value, key, value, ... adds the entries
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// under CLSID as:
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//
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// Key1 : <NO NAME> Value1
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// Key2 : <NO NAME> Value2
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// :
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// :
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//
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// Arguments: [awszKeyValues] -- Keys and values
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// [cKeyValues] -- Number of entries in array. Must be even.
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//
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// Returns: ERROR_SUCCESS on success
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//
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// History: 05-Jan-97 KyleP Created
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//
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// Notes: The *value* entries can be null, signifying no value at a
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// given level.
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//
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//----------------------------------------------------------------------------
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inline long BuildKeyValues( WCHAR const * const * awszKeyValues, unsigned cKeyValues )
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{
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WCHAR wcTemp[MAX_PATH];
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wcscpy( wcTemp, L"CLSID" );
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long dwError;
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HKEY hKey = (HKEY)INVALID_HANDLE_VALUE;
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unsigned i = 0;
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do
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{
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if ( 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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wcscat( wcTemp, L"\\" );
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wcscat( wcTemp, awszKeyValues[i] );
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DWORD dwDisposition;
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dwError = RegCreateKeyExW( HKEY_CLASSES_ROOT, // 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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i++;
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if ( 0 != awszKeyValues[i] )
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dwError = RegSetValueExW( hKey, // Key
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0, // Name
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0, // Reserved
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REG_SZ, // Type
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(BYTE *)awszKeyValues[i], // Value
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(1 + wcslen(awszKeyValues[i]) ) * sizeof(WCHAR) );
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if ( ERROR_SUCCESS != dwError )
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break;
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i++;
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}
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while ( i < cKeyValues );
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if ( (HKEY)INVALID_HANDLE_VALUE != hKey )
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RegCloseKey( hKey );
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return dwError;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: AddThreadingModel
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//
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// Synopsis: Adds the threading model value to the CLSID\GUID\InProcServer32
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// key
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//
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// Arguments: [wszClsId] - ClassId of the inproc server.
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// [wszThreadingModel] -- 0 (for single threaded) or one of
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// Apartment, Free, or Both
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//
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// History: 3-07-97 srikants Created
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//
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//----------------------------------------------------------------------------
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inline long AddThreadingModel( WCHAR const * wszClsId,
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WCHAR const * wszThreadingModel )
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{
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WCHAR wcTemp[MAX_PATH];
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wcscpy( wcTemp, L"CLSID" );
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wcscat( wcTemp, L"\\" );
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wcscat( wcTemp, wszClsId );
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wcscat( wcTemp, L"\\" );
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wcscat( wcTemp, L"InprocServer32" );
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long dwError;
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HKEY hKey = (HKEY)INVALID_HANDLE_VALUE;
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unsigned i = 0;
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dwError = RegOpenKeyExW( HKEY_CLASSES_ROOT, // 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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if ( ERROR_SUCCESS != dwError )
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return dwError;
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if ( 0 != wszThreadingModel )
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dwError = RegSetValueExW( hKey, // Key
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L"ThreadingModel", // Name
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0, // Reserved
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REG_SZ, // Type
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(BYTE *) wszThreadingModel, // Value
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(wcslen(wszThreadingModel) + 1) * sizeof WCHAR );
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else
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RegDeleteValueW( hKey, // Key
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L"ThreadingModel" ); // Name
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if ( (HKEY)INVALID_HANDLE_VALUE != hKey )
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RegCloseKey( hKey );
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return dwError;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: DestroyKeyValues, private
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//
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// Effects: Given array of key, value, key, value from BuildKeyValues,
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// removes the keys.
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//
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// Arguments: [awszKeyValues] -- Keys and values
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// [cKeyValues] -- Number of entries in array. Must be even.
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//
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// Returns: ERROR_SUCCESS on success
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//
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// History: 05-Jan-97 KyleP Created
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//
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//----------------------------------------------------------------------------
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inline long DestroyKeyValues( WCHAR const * const * awszKeyValues, int cKeyValues )
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{
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WCHAR wcTemp[MAX_PATH];
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//
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// Build path to deepest component
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//
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wcscpy( wcTemp, L"CLSID" );
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int i = 0;
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do
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{
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wcscat( wcTemp, L"\\" );
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wcscat( wcTemp, awszKeyValues[i] );
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i += 2;
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} while ( i < cKeyValues );
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//
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// Remove components in reverse order
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//
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long dwError;
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HKEY hKey = (HKEY)INVALID_HANDLE_VALUE;
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unsigned cc = wcslen( wcTemp );
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for ( i -= 2; i >= 0; i -= 2 )
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{
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dwError = RegOpenKeyExW( HKEY_CLASSES_ROOT, // 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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if ( ERROR_SUCCESS != dwError )
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break;
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//
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// Delete subkey, if there is one.
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//
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if ( i+2 < cKeyValues )
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dwError = RegDeleteKeyW( hKey, awszKeyValues[i+2] );
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if ( ERROR_SUCCESS != dwError )
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break;
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//
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// Close key and truncate string to next component.
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//
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if ( 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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cc -= wcslen( awszKeyValues[i] );
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cc --;
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wcTemp[cc] = 0;
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}
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//
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// Remove the final top key
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//
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if ( ERROR_SUCCESS == dwError )
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{
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do
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{
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dwError = RegOpenKeyExW( HKEY_CLASSES_ROOT, // Root
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wcTemp, // Sub key -- "CLSID"
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0, // Reserved
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KEY_ALL_ACCESS, // Access
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&hKey ); // Handle
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if ( ERROR_SUCCESS != dwError )
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break;
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//
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// Delete subkey
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//
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dwError = RegDeleteKeyW( hKey, awszKeyValues[0] );
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} while ( FALSE );
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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: 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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wcscat( wcTemp, LangRes.pwszLangName );
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do
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{
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DWORD dwDisposition;
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DWORD dwType;
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DWORD dwSize;
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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;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
} while( FALSE );
|
||
|
|
|
||
|
|
if ( (HKEY)INVALID_HANDLE_VALUE != hKey )
|
||
|
|
{
|
||
|
|
RegCloseKey( hKey );
|
||
|
|
hKey = (HKEY)INVALID_HANDLE_VALUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return dwError;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: UnRegisterALanguageResource, private
|
||
|
|
//
|
||
|
|
// Synopsis: Unregisters a language resource.
|
||
|
|
//
|
||
|
|
// Arguments: [LangRes] -- Language resource description
|
||
|
|
//
|
||
|
|
// Returns: ERROR_SUCCESS on success
|
||
|
|
//
|
||
|
|
// History: 05-Jan-99 AlanW Created
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
inline long UnRegisterALanguageResource( SLangRegistry const & LangRes )
|
||
|
|
{
|
||
|
|
WCHAR wcTemp[MAX_PATH];
|
||
|
|
|
||
|
|
wcscpy( wcTemp, L"System\\CurrentControlSet\\Control\\ContentIndex\\Language\\" );
|
||
|
|
wcscat( wcTemp, LangRes.pwszLangName );
|
||
|
|
|
||
|
|
HKEY hKey = (HKEY)INVALID_HANDLE_VALUE;
|
||
|
|
long dwError = RegOpenKeyExW( HKEY_LOCAL_MACHINE, // Root
|
||
|
|
wcTemp, // Sub key
|
||
|
|
0, // Reserved
|
||
|
|
KEY_ALL_ACCESS, // Access
|
||
|
|
&hKey ); // Handle
|
||
|
|
|
||
|
|
//
|
||
|
|
// Delete the word breaker class description
|
||
|
|
//
|
||
|
|
if (LangRes.WordBreaker.pwszClassId != 0)
|
||
|
|
{
|
||
|
|
dwError = UnRegisterALanguageClass( LangRes.WordBreaker );
|
||
|
|
|
||
|
|
if (hKey != INVALID_HANDLE_VALUE)
|
||
|
|
dwError = RegDeleteValueW( hKey, // Key
|
||
|
|
L"WBreakerClass" ); // Name
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Create the stemmer class description
|
||
|
|
//
|
||
|
|
if (LangRes.Stemmer.pwszClassId != 0)
|
||
|
|
{
|
||
|
|
dwError = UnRegisterALanguageClass( LangRes.Stemmer );
|
||
|
|
|
||
|
|
if (hKey != INVALID_HANDLE_VALUE)
|
||
|
|
dwError = RegDeleteValueW( hKey, // Key
|
||
|
|
L"StemmerClass" ); // Name
|
||
|
|
}
|
||
|
|
|
||
|
|
if (hKey != INVALID_HANDLE_VALUE)
|
||
|
|
{
|
||
|
|
DWORD dwNumofKeys = 0;
|
||
|
|
DWORD dwNumofValues = 0;
|
||
|
|
dwError = RegQueryInfoKeyW( hKey, // Hkey
|
||
|
|
0, // Buffer for class string
|
||
|
|
0, // Size of class string buffer
|
||
|
|
0, // reserved
|
||
|
|
&dwNumofKeys,// number of subkeys
|
||
|
|
0, // longest subkey name length
|
||
|
|
0, // longest class string length
|
||
|
|
&dwNumofValues,// number of value entries
|
||
|
|
0, // longest value name length
|
||
|
|
0, // longest value data length
|
||
|
|
0, // security descriptor length
|
||
|
|
0 ); // last write time);
|
||
|
|
|
||
|
|
if ( ERROR_SUCCESS == dwError )
|
||
|
|
{
|
||
|
|
if ( (dwNumofValues == 1) && (dwNumofKeys==0) )
|
||
|
|
{
|
||
|
|
|
||
|
|
//
|
||
|
|
// There is only one value and no sub-keys under this key,
|
||
|
|
// Delete the Locale value and then the sub-key for this Lang
|
||
|
|
// if that succeeded.
|
||
|
|
//
|
||
|
|
|
||
|
|
RegDeleteValueW( hKey, // Key
|
||
|
|
L"Locale" ); // Name
|
||
|
|
|
||
|
|
dwError = RegQueryInfoKeyW( hKey, // Hkey
|
||
|
|
0, // class string
|
||
|
|
0, // Size of class string
|
||
|
|
0, // reserved
|
||
|
|
&dwNumofKeys,
|
||
|
|
0, // max subkey name len
|
||
|
|
0, // max class string len
|
||
|
|
&dwNumofValues,
|
||
|
|
0, // max value name len
|
||
|
|
0, // max value data len
|
||
|
|
0, // security desc len
|
||
|
|
0 ); // last write time);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
RegCloseKey( hKey );
|
||
|
|
|
||
|
|
if ( ERROR_SUCCESS == dwError &&
|
||
|
|
(0 == dwNumofValues) &&
|
||
|
|
(0 == dwNumofKeys) )
|
||
|
|
dwError = RegDeleteKeyW( HKEY_LOCAL_MACHINE, // Root
|
||
|
|
wcTemp ); // Sub key
|
||
|
|
}
|
||
|
|
return dwError;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: RegisterALanguageClass, private
|
||
|
|
//
|
||
|
|
// Synopsis: Registers a language resource classID in registry
|
||
|
|
//
|
||
|
|
// Arguments: [LangClass] -- IWordBreaker or IStemmer description
|
||
|
|
//
|
||
|
|
// Returns: ERROR_SUCCESS on success
|
||
|
|
//
|
||
|
|
// History: 05-Jan-99 AlanW Created
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
inline long RegisterALanguageClass( SLangClassEntry const & LangClass )
|
||
|
|
{
|
||
|
|
WCHAR const * aKeyValues[4] = { LangClass.pwszClassId,
|
||
|
|
LangClass.pwszClassIdDescription,
|
||
|
|
L"InprocServer32",
|
||
|
|
LangClass.pwszDLL };
|
||
|
|
|
||
|
|
long retVal = BuildKeyValues( aKeyValues, sizeof(aKeyValues)/sizeof(aKeyValues[0]) );
|
||
|
|
if ( ERROR_SUCCESS == retVal )
|
||
|
|
retVal = AddThreadingModel( LangClass.pwszClassId, LangClass.pwszThreadingModel );
|
||
|
|
|
||
|
|
return retVal;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: UnRegisterALanguageClass, private
|
||
|
|
//
|
||
|
|
// Synopsis: Unregisters a language resource classID
|
||
|
|
//
|
||
|
|
// Arguments: [LangClass] -- IWordBreaker or IStemmer description
|
||
|
|
//
|
||
|
|
// Returns: ERROR_SUCCESS on success
|
||
|
|
//
|
||
|
|
// History: 05-Jan-99 AlanW Created
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
inline long UnRegisterALanguageClass( SLangClassEntry const & LangClass )
|
||
|
|
{
|
||
|
|
WCHAR const * aKeyValues[4] = { LangClass.pwszClassId,
|
||
|
|
LangClass.pwszClassIdDescription,
|
||
|
|
L"InprocServer32",
|
||
|
|
LangClass.pwszDLL };
|
||
|
|
|
||
|
|
return DestroyKeyValues( aKeyValues, sizeof(aKeyValues)/sizeof(aKeyValues[0]) );
|
||
|
|
}
|
||
|
|
|