163 lines
3.1 KiB
C++
163 lines
3.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1999, Microsoft Corp. All rights reserved.
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//
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// FILE
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//
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// attrdnry.cpp
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//
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// SYNOPSIS
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//
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// Defines the class AttributeDictionary.
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//
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// MODIFICATION HISTORY
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//
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// 02/04/2000 Original version.
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// 04/17/2000 Port to new dictionary API.
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//
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///////////////////////////////////////////////////////////////////////////////
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#include <proxypch.h>
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#include <iastlutl.h>
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#include <iasutil.h>
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#include <attrdnry.h>
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///////////////////////////////////////////////////////////////////////////////
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//
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//
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// Various functions used for defining the indices.
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//
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///////////////////////////////////////////////////////////////////////////////
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ULONG
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WINAPI
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HashById(
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const AttributeDefinition& def
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) throw ()
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{
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return def.id;
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}
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BOOL
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WINAPI
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EqualById(
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const AttributeDefinition& def1, const AttributeDefinition& def2
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) throw ()
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{
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return def1.id == def2.id;
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}
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ULONG
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WINAPI
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HashByVendorInfo(
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const AttributeDefinition& def
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) throw ()
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{
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return def.vendorID | def.vendorType;
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}
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BOOL
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WINAPI
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EqualByVendorInfo(
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const AttributeDefinition& def1, const AttributeDefinition& def2
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) throw ()
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{
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return def1.vendorID == def2.vendorID && def1.vendorType == def2.vendorType;
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}
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BOOL
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WINAPI
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FilterByVendorInfo(
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const AttributeDefinition& def
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) throw ()
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{
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return def.vendorID != 0;
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}
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AttributeDictionary::~AttributeDictionary() throw ()
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{
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delete[] first;
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}
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HRESULT AttributeDictionary::FinalConstruct() throw ()
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{
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try
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{
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initialize();
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}
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CATCH_AND_RETURN();
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return S_OK;
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}
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void AttributeDictionary::initialize()
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{
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// Names of various columns in the dictionary.
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const PCWSTR COLUMNS[] =
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{
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L"ID",
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L"Syntax",
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L"VendorID",
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L"VendorTypeID",
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NULL
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};
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IASTL::IASDictionary dnary(COLUMNS);
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using _com_util::CheckError;
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// Allocate memory to hold the definitions.
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first = last = new AttributeDefinition[dnary.getNumRows()];
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// Iterate through the dictionary and process each definition.
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while (dnary.next())
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{
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// Process each database column.
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last->id = (ULONG)dnary.getLong(0);
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last->syntax = (ULONG)dnary.getLong(1);
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last->vendorID = (ULONG)dnary.getLong(2);
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last->vendorType = (ULONG)dnary.getLong(3);
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++last;
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}
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/////////
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// Initialize the indices.
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/////////
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byID.create(
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first,
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last,
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HashById,
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EqualById
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);
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byVendorInfo.create(
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first,
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last,
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HashByVendorInfo,
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EqualByVendorInfo,
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FilterByVendorInfo
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);
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}
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const AttributeDefinition*
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AttributeDictionary::findByID(ULONG id) const throw ()
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{
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AttributeDefinition key;
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key.id = id;
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return byID.find(key);
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}
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const AttributeDefinition*
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AttributeDictionary::findByVendorInfo(
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ULONG vendorID,
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ULONG vendorType
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) const throw ()
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{
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AttributeDefinition key;
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key.vendorID = vendorID;
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key.vendorType = vendorType;
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return byVendorInfo.find(key);
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}
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