361 lines
12 KiB
C++
361 lines
12 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Copyright (C) Microsoft Corporation, 1996 - 2000.
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//
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// File: param.hxx
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//
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// Contents: Used to replace variables in strings
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//
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// History: 96/Jan/3 DwightKr Created
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//
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//----------------------------------------------------------------------------
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#pragma once
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enum
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{
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eNone = 0x0,
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eParameter = 0x1,
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eString = 0x2,
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eIf = 0x3,
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eElse = 0x4,
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eEndIf = 0x5,
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eEscapeHTML = 0x6,
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eEscapeURL = 0x7,
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eEscapeRAW = 0x8,
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eParamRequiresNonSequentialCursor = 0x00010000, // Can be OR'ed with above
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eParamOwnsVariantMemory = 0x00100000,
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eParamDeferredValue = 0x00200000, // obtain when asked
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};
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const ULONG eJustParamMask = 0x0000ffff;
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const ULONG eParamMask = 0x0001FFFF;
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//
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// These are the parameters that are available in all HTX pages.
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//
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extern const WCHAR * ISAPI_CI_BOOKMARK;
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extern const WCHAR * ISAPI_CI_BOOKMARK_SKIP_COUNT;
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extern const WCHAR * ISAPI_CI_BOOL_VECTOR_PREFIX;
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extern const WCHAR * ISAPI_CI_BOOL_VECTOR_SEPARATOR;
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extern const WCHAR * ISAPI_CI_BOOL_VECTOR_SUFFIX;
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extern const WCHAR * ISAPI_CI_CATALOG;
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extern const WCHAR * ISAPI_CI_CODEPAGE;
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extern const char * ISAPI_CI_CODEPAGE_A;
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extern const WCHAR * ISAPI_CI_COLUMNS;
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extern const WCHAR * ISAPI_CI_CONTAINS_FIRST_RECORD;
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extern const WCHAR * ISAPI_CI_CONTAINS_LAST_RECORD;
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extern const WCHAR * ISAPI_CI_CURRENCY_VECTOR_PREFIX;
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extern const WCHAR * ISAPI_CI_CURRENCY_VECTOR_SEPARATOR;
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extern const WCHAR * ISAPI_CI_CURRENCY_VECTOR_SUFFIX;
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extern const WCHAR * ISAPI_CI_CURRENT_PAGE_NUMBER;
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extern const WCHAR * ISAPI_CI_CURRENT_RECORD_NUMBER;
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extern const WCHAR * ISAPI_CI_DATE_VECTOR_PREFIX;
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extern const WCHAR * ISAPI_CI_DATE_VECTOR_SEPARATOR;
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extern const WCHAR * ISAPI_CI_DATE_VECTOR_SUFFIX;
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extern const WCHAR * ISAPI_CI_DONT_TIMEOUT;
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extern const WCHAR * ISAPI_CI_ERROR_MESSAGE;
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extern const WCHAR * ISAPI_CI_ERROR_NUMBER;
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extern const WCHAR * ISAPI_CI_FIRST_RECORD_NUMBER;
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extern const WCHAR * ISAPI_CI_FORCE_USE_CI;
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extern const WCHAR * ISAPI_CI_DEFER_NONINDEXED_TRIMMING;
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extern const WCHAR * ISAPI_CI_DIALECT;
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extern const WCHAR * ISAPI_CI_FLAGS;
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extern const WCHAR * ISAPI_CI_LAST_RECORD_NUMBER;
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extern const WCHAR * ISAPI_CI_LOCALE;
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extern const WCHAR * ISAPI_CI_MATCHED_RECORD_COUNT;
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extern const WCHAR * ISAPI_CI_MAX_RECORDS_IN_RESULTSET;
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extern const WCHAR * ISAPI_CI_MAX_RECORDS_PER_PAGE;
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extern const WCHAR * ISAPI_CI_FIRST_ROWS_IN_RESULTSET;
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extern const WCHAR * ISAPI_CI_NUMBER_VECTOR_PREFIX;
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extern const WCHAR * ISAPI_CI_NUMBER_VECTOR_SEPARATOR;
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extern const WCHAR * ISAPI_CI_NUMBER_VECTOR_SUFFIX;
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extern const WCHAR * ISAPI_CI_OUT_OF_DATE;
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extern const WCHAR * ISAPI_CI_QUERY_INCOMPLETE;
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extern const WCHAR * ISAPI_CI_QUERY_TIMEDOUT;
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extern const WCHAR * ISAPI_CI_QUERY_DATE;
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extern const WCHAR * ISAPI_CI_QUERY_TIME;
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extern const WCHAR * ISAPI_CI_QUERY_TIMEZONE;
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extern const WCHAR * ISAPI_CI_RESTRICTION;
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extern const WCHAR * ISAPI_CI_RECORDS_NEXT_PAGE;
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extern const WCHAR * ISAPI_CI_SCOPE;
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extern const WCHAR * ISAPI_CI_SORT;
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extern const WCHAR * ISAPI_CI_STRING_VECTOR_PREFIX;
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extern const WCHAR * ISAPI_CI_STRING_VECTOR_SEPARATOR;
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extern const WCHAR * ISAPI_CI_STRING_VECTOR_SUFFIX;
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extern const WCHAR * ISAPI_CI_TEMPLATE;
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extern const WCHAR * ISAPI_CI_TOTAL_NUMBER_PAGES;
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extern const WCHAR * ISAPI_CI_ADMIN_OPERATION;
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extern const WCHAR * ISAPI_CI_CANONICAL_OUTPUT;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_COUNT_WORDLISTS;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_COUNT_PERSINDEX;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_COUNT_QUERIES;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_COUNT_FRESHTEST;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_COUNT_UNIQUE;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_COUNT_TOFILTER;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_COUNT_FILTERED;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_COUNT_PENDINGSCANS;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_COUNT_TOTAL;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_SIZE;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_MERGE_PROGRESS;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_STATE_SHADOWMERGE;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_STATE_MASTERMERGE;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_STATE_ANNEALINGMERGE;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_STATE_SCANREQUIRED;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_STATE_SCANNING;
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extern const WCHAR * ISAPI_CI_ADMIN_INDEX_STATE_RECOVERING;
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extern const WCHAR * ISAPI_CI_ADMIN_CACHE_HITS;
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extern const WCHAR * ISAPI_CI_ADMIN_CACHE_MISSES;
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extern const WCHAR * ISAPI_CI_ADMIN_CACHE_ACTIVE;
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extern const WCHAR * ISAPI_CI_ADMIN_CACHE_COUNT;
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extern const WCHAR * ISAPI_CI_ADMIN_CACHE_PENDING;
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extern const WCHAR * ISAPI_CI_ADMIN_CACHE_REJECTED;
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extern const WCHAR * ISAPI_CI_ADMIN_CACHE_TOTAL;
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extern const WCHAR * ISAPI_CI_ADMIN_CACHE_QPM;
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extern const WCHAR * ISAPI_ALL_HTTP;
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extern const WCHAR * ISAPI_AUTH_TYPE;
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extern const WCHAR * ISAPI_CONTENT_LENGTH;
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extern const WCHAR * ISAPI_CONTENT_TYPE;
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extern const WCHAR * ISAPI_GATEWAY_INTERFACE;
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extern const WCHAR * ISAPI_HTTP_ACCEPT;
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extern const WCHAR * ISAPI_HTTP_ACCEPT_LANGUAGE;
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extern const WCHAR * ISAPI_HTTP_COOKIE;
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extern const WCHAR * ISAPI_HTTP_CONNECTION;
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extern const WCHAR * ISAPI_HTTP_CONTENT_TYPE;
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extern const WCHAR * ISAPI_HTTP_CONTENT_LENGTH;
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extern const WCHAR * ISAPI_HTTP_PRAGMA;
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extern const WCHAR * ISAPI_HTTP_REFERER;
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extern const WCHAR * ISAPI_HTTP_USER_AGENT;
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extern const WCHAR * ISAPI_PATH_INFO;
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extern const WCHAR * ISAPI_PATH_TRANSLATED;
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extern const WCHAR * ISAPI_QUERY_STRING;
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extern const WCHAR * ISAPI_REMOTE_ADDR;
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extern const WCHAR * ISAPI_REMOTE_HOST;
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extern const WCHAR * ISAPI_REMOTE_USER;
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extern const WCHAR * ISAPI_REQUEST_METHOD;
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extern const WCHAR * ISAPI_SCRIPT_NAME;
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extern const WCHAR * ISAPI_SERVER_NAME;
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extern const WCHAR * ISAPI_SERVER_PORT;
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extern const WCHAR * ISAPI_SERVER_PROTOCOL;
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extern const WCHAR * ISAPI_SERVER_SOFTWARE;
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class CParameterNodeIter;
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class CHTXScanner;
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class CVirtualString;
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struct tagCiGlobalVars
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{
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const WCHAR * wcsVariableName;
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VARTYPE vt;
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_int64 i64DefaultValue;
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int flags;
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};
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extern const struct tagCiGlobalVars aCiGlobalVars[];
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extern const unsigned cCiGlobalVars;
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extern const struct tagCiGlobalVars aISAPIGlobalVars[];
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extern const unsigned cISAPIGlobalVars;
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extern const WCHAR * aISAPI_CiParams[];
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extern const unsigned cISAPI_CiParams;
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//+---------------------------------------------------------------------------
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//
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// Class: CParameterNode
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//
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// Purpose: Contains information for a single node in a expression tree
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//
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// History: 96/Jan/23 DwightKr Created
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//
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//----------------------------------------------------------------------------
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class CParameterNode
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{
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friend class CParameterNodeIter;
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public:
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CParameterNode( WCHAR * ptr, ULONG eType = 0 ) :
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_ptr(ptr),
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_eType(eType),
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_pTrueNode(0),
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_pFalseNode(0),
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_cRefCount(1),
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_cwcString(0)
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{
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_ulHash = ISAPIVariableNameHash( ptr );
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END_CONSTRUCTION( CParameterNode );
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}
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~CParameterNode();
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WCHAR const * String() const { return _ptr; }
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ULONG Hash() const { return _ulHash; }
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ULONG Type() const { return _eType; }
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ULONG Length()
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{
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if ( 0 == _cwcString )
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_cwcString = wcslen( _ptr );
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return _cwcString;
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}
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void SetNextNode( CParameterNode * pNext ) { _pTrueNode = pNext; }
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void SetTrueNode( CParameterNode * pTrueNode ) { SetNextNode( pTrueNode ); }
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void SetFalseNode( CParameterNode * pFalseNode ) { _pFalseNode = pFalseNode; }
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CParameterNode * GetNextNode() const { return _pTrueNode; }
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CParameterNode * GetTrueNode() const { return GetNextNode(); }
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CParameterNode * GetFalseNode() const { return _pFalseNode; }
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CParameterNode * GetEndNode()
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{
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CParameterNode *pEndNode = this;
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while ( 0 != pEndNode->GetNextNode() )
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{
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pEndNode = pEndNode->GetNextNode();
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}
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return pEndNode;
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}
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CParameterNode * QueryNextNode() { return QueryTrueNode(); }
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CParameterNode * QueryTrueNode()
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{
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CParameterNode * pTrueNode = _pTrueNode;
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_pTrueNode = 0;
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return pTrueNode;
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}
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CParameterNode * QueryFalseNode()
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{
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CParameterNode * pFalseNode = _pFalseNode;
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_pFalseNode = 0;
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return pFalseNode;
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}
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BOOL IsEmpty() const { return 0 == GetNextNode(); }
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ULONG GetRefCount() const { return _cRefCount; }
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void IncrementRefCount() { _cRefCount++; }
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void DecrementRefCount() { _cRefCount--; }
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private:
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ULONG _cRefCount; // # nodes pointing to this one
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ULONG _eType; // Type of node
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WCHAR * _ptr; // Ptr to string associated with node
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ULONG _ulHash; // Hash associated with node
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CParameterNode * _pTrueNode; // Node to follow if node evalutes TRUE
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CParameterNode * _pFalseNode; // Node to follow if FALSE
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ULONG _cwcString; // length of the string _ptr
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};
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//+---------------------------------------------------------------------------
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//
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// Class: CParameterNodeIter
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//
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// Purpose: Iterates over an CParaemterNode tree, following either the
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// TRUE or FALSE branches of the 'if' statements.
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//
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// History: 96/Jan/23 DwightKr Created
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//
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//----------------------------------------------------------------------------
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class CParameterNodeIter
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{
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public:
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CParameterNodeIter( CParameterNode * pNode,
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CVariableSet & variableSet,
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COutputFormat & outputFormat );
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void Next()
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{
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Win4Assert( !AtEnd() );
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if ( eIf == _root->Type() )
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{
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//
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// Evaluate the expression at the IF node to determine which
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// is the next node.
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//
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if ( EvaluateExpression( _root->String() ) )
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_root = _root->GetTrueNode();
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else
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_root = _root->GetFalseNode();
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}
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else
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{
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_root = _root->GetNextNode();
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}
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}
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BOOL AtEnd() const { return 0 == _root; }
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CParameterNode * Get() { return _root; }
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private:
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BOOL EvaluateExpression( WCHAR const * wcsCondition );
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CParameterNode * _root; // Root of the parameter tree
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CVariableSet & _variableSet; // Set of vars to evaluate if's
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COutputFormat & _outputFormat; // Format of #'s & dates
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};
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//+---------------------------------------------------------------------------
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//
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// Class: CParameterReplacer
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//
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// Purpose: Given a string, and a pair of delimiting tokens, this class
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// parses the string to identify the replaceable parameters
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// enclosed by the delimiting tokens. It then builds a new
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// string replacing the parameters with their actual values.
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//
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// History: 96/Jan/23 DwightKr Created
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//
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//----------------------------------------------------------------------------
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class CParameterReplacer
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{
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public:
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CParameterReplacer( WCHAR const * wcsString,
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WCHAR const * wcsPrefix,
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WCHAR const * wcsSuffix );
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~CParameterReplacer()
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{
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delete _wcsString;
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}
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void ParseString( CVariableSet & variableSet );
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void ReplaceParams( CVirtualString & strResult,
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CVariableSet & variableSet,
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COutputFormat & outputFormat );
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ULONG GetFlags() const { return _ulFlags; }
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private:
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void BuildTree( CHTXScanner & scanner,
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CParameterNode *pBranch,
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CDynStackInPlace<ULONG> & ifStack );
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WCHAR * _wcsString; // The string we've parsed
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WCHAR const * _wcsPrefix; // Deliminating prefix
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WCHAR const * _wcsSuffix; // Deliminating suffix
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ULONG _ulFlags; // Flags associated with replaced variables
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CParameterNode _paramNode; // Tree of ptrs to replaceable params
|
||
|
|
};
|
||
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||
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||
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