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1061 lines
33 KiB
1061 lines
33 KiB
//+---------------------------------------------------------------------------
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//
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// Copyright (C) 1996 - 1998, Microsoft Corporation.
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//
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// File: htx.cxx
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//
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// Contents: Parser for a HTX file
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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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#include <pch.cxx>
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#pragma hdrstop
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#include <cgiesc.hxx>
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#include <htmlchar.hxx>
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#include "whtmplat.hxx"
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#include "webdbg.hxx"
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#include "whmsg.h"
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//+---------------------------------------------------------------------------
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//
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// Member: CWTXScanner::CWTXScanner - public constructor
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//
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// Synopsis: Builds a scanner for a section within a HTX file
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//
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// Arguments: [variableSet] - list of replaceable parameters
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// [wcsPrefix] - prefix delimiter for replacable parameters
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// [wcsSuffix] - suffix delimiter for replacable parameters
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//
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// Notes: The wcsPrefix and wcsSuffix are expected to be the same
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// length and either one or two characters.
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//
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// History: 96/Jan/03 DwightKr created
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// 96/Sep/07 SrikantS Copied and adapted to webhits use from
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// htx.cxx/htx.hxx
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//
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//----------------------------------------------------------------------------
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CWTXScanner::CWTXScanner( CWHVarSet & variableSet,
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WCHAR const * wcsPrefix,
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WCHAR const * wcsSuffix ) :
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_wcsPrefix(wcsPrefix),
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_wcsSuffix(wcsSuffix),
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_variableSet(variableSet),
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_type(eNone),
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_nextType(eNone),
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_wcsString(0),
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_wcsPrefixToken(0),
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_wcsSuffixToken(0)
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{
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Win4Assert( wcslen( _wcsPrefix ) == wcslen( _wcsSuffix ) &&
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wcslen( _wcsPrefix ) <= 2 );
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if ( _wcsPrefix[1] == L'\0' )
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_cchPrefix = _cchSuffix = 1;
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else
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_cchPrefix = _cchSuffix = 2;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWTXScanner::Init - public
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//
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// Synopsis: Saves a pointer to the string to be parsed.
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//
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// Arguments: [wcsString] - the string to be parsed
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//
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// History: 96/Jan/03 DwightKr created
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// 96/Sep/07 SrikantS Copied and adapted to webhits use from
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// htx.cxx/htx.hxx
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//
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// NOTES: THIS STRING WILL BE MODIFIED BY SUBSEQUENT CALLS TO MEMBER
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// FUNCTIONS OF THIS CLASS.
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//
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//----------------------------------------------------------------------------
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void CWTXScanner::Init( WCHAR * wcsString )
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{
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_wcsString = wcsString;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWTXScanner::IsToken - private
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//
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// Synopsis: Determines if a string is a special token.
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//
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// Arguments: [wcs] - start of string to be tested.
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//
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// Notes: If the string is a token, the members _type, _wcsPrefixToken
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// and _wcsSuffixToken are set appropriately.
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//
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// History: 96/Apr/02 AlanW Created
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// 96/May/17 DwightKr Treat all <%..%> as variables
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// 96/Sep/07 SrikantS Copied and adapted to webhits use from
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// htx.cxx/htx.hxx
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//
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//----------------------------------------------------------------------------
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BOOL CWTXScanner::IsToken(WCHAR * wcs)
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{
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if ( wcsncmp( _wcsPrefix, wcs, _cchPrefix ) != 0 )
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{
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webDebugOut(( DEB_USER1, "CWTXScanner::IsToken end of string\n" ));
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return FALSE;
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}
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wcs += _cchPrefix;
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WCHAR * wcsSuffixTok = wcs2chr( wcs, _wcsSuffix );
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if ( 0 == wcsSuffixTok )
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{
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webDebugOut(( DEB_USER1, "CWTXScanner::IsToken no suffix token\n" ));
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return FALSE;
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}
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*wcsSuffixTok = L'\0';
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_wcsPrefixToken = wcs - _cchPrefix;
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_wcsupr( wcs );
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//
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// Strip leading spaces before token
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//
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while ( iswspace(*wcs) && (wcs < wcsSuffixTok) )
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{
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wcs++;
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}
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//
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// Strip trailing spaces after token
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//
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WCHAR * wcsSuffix = wcsSuffixTok - 1;
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while ( iswspace(*wcsSuffix) && (wcsSuffix > wcs) )
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{
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*wcsSuffix = 0;
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wcsSuffix--;
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}
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webDebugOut(( DEB_USER1, "CWTXScanner::IsToken wcs=%ws\n", wcs ));
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if ( wcsncmp( wcs, L"ESCAPEHTML ", 11 ) == 0 )
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{
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_type = eEscapeHTML;
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}
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else if ( wcsncmp( wcs, L"ESCAPEURL ", 10 ) == 0 )
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{
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_type = eEscapeURL;
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}
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else if ( wcsncmp( wcs, L"ESCAPERAW ", 10 ) == 0 )
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{
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_type = eEscapeRAW;
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}
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else
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{
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//
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// Find this name in the list of replaceable parameters. Note that
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// if we can't find this variable in the list of replaceable
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// parameters, we've converted some output text to uppercase. This
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// is probably OK since the user used <% ... %> to delimit their
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// output; <% & %> are reserved tokens hence this would be an error.
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//
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WCHAR const *pVariable = _variableSet.Find( wcs );
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_type = eParameter;
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if ( 0 == pVariable )
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{
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webDebugOut(( DEB_IWARN,
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"Warning: CWTXScanner::IsToken found a unknown variable: '%ws'\n",
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wcs ));
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}
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}
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*_wcsPrefixToken = L'\0';
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_wcsSuffixToken = wcsSuffixTok;
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_wcsNextToken = wcsSuffixTok + _cchSuffix;
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return TRUE;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWTXScanner::FindNextToken - public
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//
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// Synopsis: Locates the next token in the string.
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//
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// History: 96/Jan/03 DwightKr created
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// 96/Sep/07 SrikantS Copied and adapted to webhits use from
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// htx.cxx/htx.hxx
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//
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//----------------------------------------------------------------------------
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BOOL CWTXScanner::FindNextToken()
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{
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if (_nextType != eNone)
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{
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//
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// Found a token on the previous call. Just return it.
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//
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Win4Assert ( _wcsPrefixToken && _wcsSuffixToken > _wcsPrefixToken );
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_type = _nextType;
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_nextType = eNone;
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_wcsString = _wcsNextToken = _wcsSuffixToken + _cchSuffix;
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return TRUE;
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}
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if ( (0 == _wcsString) || (0 == *_wcsString) )
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{
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_type = eNone;
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_wcsNextToken = 0;
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return FALSE;
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}
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if ( *_wcsString == *_wcsPrefix &&
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IsToken( _wcsString ) )
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{
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_nextType = eNone;
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return TRUE;
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}
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//
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// The string doesn't start with one of our special keywords.
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// Treat it as an ordinary string, and look ahead to the next
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// valid token.
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//
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_wcsPrefixToken = wcs2chr( _wcsString+1, _wcsPrefix );
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while ( _wcsPrefixToken )
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{
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if ( IsToken( _wcsPrefixToken ) )
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{
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_nextType = _type;
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_wcsNextToken = _wcsPrefixToken;
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_type = eString;
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return TRUE;
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}
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_wcsPrefixToken = wcs2chr( _wcsPrefixToken+_cchPrefix, _wcsPrefix );
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}
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_nextType = eNone;
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_type = eString;
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_wcsNextToken = _wcsString + wcslen( _wcsString );
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return TRUE;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWTXScanner::GetToken - public
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//
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// Synopsis: Returns a pointer to the replaceable parameter token found.
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// Prepares the scanner to return the next token.
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//
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// History: 96/Jan/03 DwightKr created
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// 96/Mar/13 DwightKr add support for eEscapeURL &
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// eEscapeHTML
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// 96/Sep/07 SrikantS Copied and adapted to webhits use from
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// htx.cxx/htx.hxx
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//
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//----------------------------------------------------------------------------
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WCHAR * CWTXScanner::GetToken()
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{
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if ( eString == _type )
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{
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if ( 0 != _wcsString )
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{
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WCHAR * wcsString = _wcsString;
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_wcsString = _wcsNextToken;
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return wcsString;
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}
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}
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else if ( eEscapeHTML == _type )
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{
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WCHAR * wcsString = _wcsPrefixToken + _cchPrefix;
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wcsString += 10; // Skip 'EscapeHTML'
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*_wcsSuffixToken = 0; // Null terminate
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while ( (0 != *wcsString) && iswspace(*wcsString) )
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{
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wcsString++;
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}
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_wcsString = _wcsNextToken;
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return wcsString;
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}
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else if ( eEscapeURL == _type ||
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eEscapeRAW == _type )
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{
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WCHAR * wcsString = _wcsPrefixToken + _cchPrefix;
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wcsString += 9; // Skip 'EscapeURL'
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*_wcsSuffixToken = 0; // Null terminate
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while ( (0 != *wcsString) && iswspace(*wcsString) )
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{
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wcsString++;
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}
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_wcsString = _wcsNextToken;
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return wcsString;
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}
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else
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{
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if ( 0 != _wcsPrefixToken )
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{
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Win4Assert( 0 != _wcsSuffixToken &&
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_wcsPrefixToken < _wcsSuffixToken &&
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_wcsSuffixToken < _wcsNextToken );
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*_wcsPrefixToken = 0;
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*_wcsSuffixToken = 0;
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_wcsString = _wcsNextToken;
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WCHAR * wcsString = _wcsPrefixToken + _cchPrefix;
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while ( (0 != *wcsString) && iswspace(*wcsString) )
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{
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wcsString++;
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}
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return wcsString;
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}
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}
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return 0;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWTXFile::CWTXFile - public constructor
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//
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// Synopsis: Builds a CWTXFile object and initializes values.
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//
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// History: 96/Jan/03 DwightKr created
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// 96/Sep/07 SrikantS Copied and adapted to webhits use from
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// htx.cxx/htx.hxx
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//
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//----------------------------------------------------------------------------
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CWTXFile::CWTXFile( WCHAR const * wcsTemplate,
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WCHAR const * wcsPhysicalName,
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UINT codePage) :
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_wcsVirtualName( wcsTemplate ),
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_wcsPhysicalName( wcsPhysicalName ),
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_pVarHeader(0),
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_pVarRowDetails(0),
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_pVarFooter(0),
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_wcsFileBuffer(0),
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_codePage(codePage)
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{
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWTXFile::~CWTXFile - public destructor
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//
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// History: 96/Jan/03 DwightKr created
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// 96/Sep/07 SrikantS Copied and adapted to webhits use from
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// htx.cxx/htx.hxx
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//
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//----------------------------------------------------------------------------
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CWTXFile::~CWTXFile()
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{
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delete _pVarHeader;
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delete _pVarRowDetails;
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delete _pVarFooter;
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delete _wcsFileBuffer;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWTXFile::ParseFile - public
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//
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// Synopsis: Parses the HTX file and breaks it up into its sections.
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//
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// History: 96/Jan/03 DwightKr created
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// 96/Sep/07 SrikantS Copied and adapted to webhits use from
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// htx.cxx/htx.hxx
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//
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//----------------------------------------------------------------------------
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void CWTXFile::ParseFile( CWHVarSet & variableSet )
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{
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//
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// Read the entire file into a buffer
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//
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_wcsFileBuffer = ReadFile( _wcsPhysicalName );
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Win4Assert( 0 != _wcsFileBuffer );
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//
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// Break the buffer into the sections; the header, the detail section,
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// and the footer. Verify that if there is a <%BeginDetail%>
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// section, then there MUST be a <%EndDetail%> section AFTER it, not
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// before. Neither <%EndDetail%> nor <%BeginDetail%> can appear on
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// their own.
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//
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//
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// Find the <%BeginDetail%> and <%EndDetail%> sections
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//
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WCHAR * wcsHeader = _wcsFileBuffer; // Assume a header
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WCHAR * wcsRowDetails = wcsipattern(wcsHeader, L"<%BEGINDETAIL%>" );
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WCHAR * wcsFooter = wcsipattern(wcsHeader, L"<%ENDDETAIL%>" );
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if ( wcsHeader == wcsRowDetails )
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{
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//
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// No header found in this file; it begins with the detail section.
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//
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wcsHeader = 0;
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}
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const int cwcBeginDetail = 15;
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const int cwcEndDetail = 13;
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Win4Assert( cwcBeginDetail == wcslen( L"<%BEGINDETAIL%>" ) );
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Win4Assert( cwcEndDetail == wcslen( L"<%ENDDETAIL%>" ) );
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if ( 0 != wcsRowDetails )
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{
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//
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// A <%BeginDetail%> section was found. We better also have an
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// <%EndDetail%> section AFTER the <%BeginDetail%> section.
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//
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*wcsRowDetails = 0; // Null terminate the header string
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wcsRowDetails += cwcBeginDetail;
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|
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if ( 0 != wcsFooter )
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{
|
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if ( wcsFooter < wcsRowDetails )
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{
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//
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// The <%EndDetail%> was found before the <%BeginDetail%>
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//
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WCHAR * wcsHTXFileName;
|
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LONG lLineNumber;
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GetFileNameAndLineNumber( CiPtrToInt( wcsFooter - _wcsFileBuffer ),
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wcsHTXFileName,
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lLineNumber );
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|
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THROW( CWTXException(MSG_WEBHITS_ENDDETAIL_BEFORE_BEGINDETAIL,
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wcsHTXFileName,
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lLineNumber) );
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}
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|
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*wcsFooter = 0; // Null terminate the BeginDetail section
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wcsFooter += cwcEndDetail;
|
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}
|
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else
|
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{
|
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//
|
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// Report an error: <%BeginDetail%> without an <%EndDetail%>
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//
|
|
|
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WCHAR * wcsHTXFileName;
|
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LONG lLineNumber;
|
|
|
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GetFileNameAndLineNumber( CiPtrToInt( wcsRowDetails - _wcsFileBuffer ),
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wcsHTXFileName,
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lLineNumber );
|
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|
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THROW( CWTXException(MSG_WEBHITS_NO_ENDDETAIL_SECTION,
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wcsHTXFileName,
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lLineNumber) );
|
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}
|
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}
|
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else if ( 0 != wcsFooter )
|
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{
|
|
//
|
|
// A <%BeginDetail%> section could be found. There should
|
|
// be no <%EndDetail%> section either.
|
|
//
|
|
|
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WCHAR * wcsHTXFileName;
|
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LONG lLineNumber;
|
|
|
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GetFileNameAndLineNumber( CiPtrToInt( wcsFooter - _wcsFileBuffer ),
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wcsHTXFileName,
|
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lLineNumber );
|
|
|
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THROW( CWTXException(MSG_WEBHITS_NO_BEGINDETAIL_SECTION,
|
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wcsHTXFileName,
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lLineNumber) );
|
|
}
|
|
|
|
|
|
if ( 0 != wcsHeader )
|
|
{
|
|
_pVarHeader = new CWHParamReplacer ( wcsHeader,
|
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L"<%",
|
|
L"%>" );
|
|
_pVarHeader->ParseString( variableSet );
|
|
}
|
|
|
|
if ( 0 != wcsRowDetails )
|
|
{
|
|
_pVarRowDetails = new CWHParamReplacer ( wcsRowDetails,
|
|
L"<%",
|
|
L"%>" );
|
|
_pVarRowDetails->ParseString( variableSet );
|
|
}
|
|
|
|
if ( 0 != wcsFooter )
|
|
{
|
|
_pVarFooter = new CWHParamReplacer ( wcsFooter,
|
|
L"<%",
|
|
L"%>" );
|
|
_pVarFooter->ParseString( variableSet );
|
|
}
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CWTXFile::ReadFile - public
|
|
//
|
|
// Synopsis: Read the HTX file into a buffer
|
|
//
|
|
// Arguments: [wcsFileName] - full physical path name of file
|
|
//
|
|
// History: 96/Jan/03 DwightKr created
|
|
// 96/Apr/06 DwightKr add support for unicode files
|
|
// 96/Sep/07 SrikantS Copied and adapted to webhits use from
|
|
// htx.cxx/htx.hxx
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
WCHAR * CWTXFile::ReadFile( WCHAR const * wcsFileName )
|
|
{
|
|
Win4Assert ( 0 != wcsFileName );
|
|
|
|
//
|
|
// Verify the HTX file exists, and is a file, not a directory.
|
|
//
|
|
WIN32_FIND_DATA ffData;
|
|
if ( !GetFileAttributesEx( wcsFileName, GetFileExInfoStandard, &ffData ) )
|
|
{
|
|
ULONG error = GetLastError();
|
|
|
|
webDebugOut(( DEB_IERROR,
|
|
"Unable to GetFileAttributesEx(%ws) GetLastError=0x%x\n",
|
|
wcsFileName,
|
|
error ));
|
|
|
|
THROW( CWTXException(MSG_WEBHITS_NO_SUCH_TEMPLATE, _wcsVirtualName, 0) );
|
|
}
|
|
|
|
|
|
if ( (ffData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0 )
|
|
{
|
|
THROW( CWTXException(MSG_WEBHITS_NO_SUCH_TEMPLATE, _wcsVirtualName, 0) );
|
|
}
|
|
|
|
//
|
|
// Open the file and map its contents
|
|
//
|
|
CFileMapView mapView( wcsFileName );
|
|
mapView.Init();
|
|
|
|
int cbBuffer = mapView.GetBufferSize() + 1;
|
|
XArray<WCHAR> pwBuffer(cbBuffer);
|
|
|
|
//
|
|
// If the first two BYTES of the file are 0xFF 0xFE, then this is a
|
|
// unicode file, and we don't need to convert it.
|
|
//
|
|
if ( mapView.IsUnicode() )
|
|
{
|
|
RtlCopyMemory( pwBuffer.Get(), mapView.GetBuffer()+2, cbBuffer-2 );
|
|
pwBuffer[ ( cbBuffer - 2 ) / sizeof WCHAR ] = 0;
|
|
|
|
return pwBuffer.Acquire();
|
|
}
|
|
|
|
//
|
|
// Copy & convert the ASCII buffer to a WCHAR buffer.
|
|
//
|
|
int cwBuffer = mapView.GetBufferSize() + 1;
|
|
int cwConvert;
|
|
|
|
do
|
|
{
|
|
cwConvert = MultiByteToWideChar( _codePage,
|
|
0,
|
|
(const char *) mapView.GetBuffer(), // Ptr to input buf
|
|
mapView.GetBufferSize(),// Size of input buf
|
|
pwBuffer.Get(), // Ptr to output buf
|
|
cwBuffer - 1 ); // Size of output buf
|
|
|
|
if ( 0 == cwConvert )
|
|
{
|
|
if ( GetLastError() == ERROR_INSUFFICIENT_BUFFER )
|
|
{
|
|
cwBuffer += (cwBuffer/2);
|
|
delete pwBuffer.Acquire();
|
|
pwBuffer.Init(cwBuffer);
|
|
}
|
|
else
|
|
{
|
|
THROW( CException() );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pwBuffer[cwConvert] = 0; // Null terminate the buffer
|
|
}
|
|
|
|
Win4Assert( cwConvert < cwBuffer );
|
|
|
|
} while ( 0 == cwConvert );
|
|
|
|
return pwBuffer.Acquire();
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CWTXFile::GetFileNameAndLineNumber
|
|
//
|
|
// Synopsis: Determines the filename & line number amoung a group of
|
|
// nested includes for a particular offset into the buffer.
|
|
//
|
|
// Arguments: [offset] - offset of the error in the overall buffer
|
|
// [wcsFileName] - resulting name of file containing error
|
|
// [lineNumber] - line # containing the error
|
|
//
|
|
// History: 96/Jun/25 DwightKr created
|
|
// 96/Sep/07 SrikantS Copied and adapted to webhits use from
|
|
// htx.cxx/htx.hxx
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
void CWTXFile::GetFileNameAndLineNumber( int offset,
|
|
WCHAR const *& wcsFileName,
|
|
LONG & lineNumber )
|
|
{
|
|
|
|
//
|
|
// Save a pointer to the name of the file containing the error
|
|
//
|
|
WCHAR const * pCurrent = _wcsFileBuffer;
|
|
wcsFileName = _wcsVirtualName;
|
|
|
|
|
|
//
|
|
// Count the number of lines in this sub-file
|
|
//
|
|
Win4Assert( 0 != _wcsFileBuffer );
|
|
WCHAR const * pEnd = _wcsFileBuffer + offset;
|
|
|
|
lineNumber = CountLines( pCurrent, pEnd );
|
|
}
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CWTXFile::CountLines - private
|
|
//
|
|
// Synopsis: Deterines the number of lines (CR's) between the start
|
|
// of the buffer and the end.
|
|
//
|
|
// Arguments: [wcsStart] - start location of search
|
|
// [wcsEnd] - end of search
|
|
//
|
|
// History: 96/Jun/25 DwightKr created
|
|
// 96/Sep/07 SrikantS Copied and adapted to webhits use from
|
|
// htx.cxx/htx.hxx
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
LONG CWTXFile::CountLines( WCHAR const * wcsStart,
|
|
WCHAR const * wcsEnd ) const
|
|
{
|
|
Win4Assert( 0 != wcsStart );
|
|
Win4Assert( 0 != wcsEnd );
|
|
|
|
LONG cLines = 1;
|
|
|
|
while ( wcsStart <= wcsEnd )
|
|
{
|
|
if ( L'\n' == *wcsStart )
|
|
{
|
|
cLines++;
|
|
}
|
|
|
|
wcsStart++;
|
|
}
|
|
|
|
return cLines;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CWTXFile::GetHeader - public
|
|
//
|
|
// Synopsis: Appends to a CVirtualString the data in the HTX file BEFORE
|
|
// the <%begindetail%> section. This may require replacing
|
|
// parameters.
|
|
//
|
|
// Arguments: [string] - the CVirtualString to append data to
|
|
// [variableSet] - a list of replaceable parameters
|
|
// [outputFormat] - format for numbers & dates
|
|
//
|
|
// History: 96/Jan/03 DwightKr created
|
|
// 96/Sep/07 SrikantS Copied and adapted to webhits use from
|
|
// htx.cxx/htx.hxx
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
void CWTXFile::GetHeader( CVirtualString & string,
|
|
CWHVarSet & variableSet )
|
|
{
|
|
if ( 0 != _pVarHeader )
|
|
{
|
|
_pVarHeader->ReplaceParams( string, variableSet, _codePage );
|
|
}
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CWTXFile::GetFooter - public
|
|
//
|
|
// Synopsis: Appends to a CVirtualString the data in the HTX file AFTER
|
|
// the <%enddetail%> section. This may require replacing
|
|
// parameters.
|
|
//
|
|
// Arguments: [string] - the CVirtualString to append data to
|
|
// [variableSet] - a list of replaceable parameters
|
|
// [outputFormat] - format for numbers & dates
|
|
//
|
|
// History: 96/Jan/03 DwightKr created
|
|
// 96/Sep/07 SrikantS Copied and adapted to webhits use from
|
|
// htx.cxx/htx.hxx
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
void CWTXFile::GetFooter( CVirtualString & string,
|
|
CWHVarSet & variableSet )
|
|
{
|
|
if ( 0 != _pVarFooter )
|
|
{
|
|
_pVarFooter->ReplaceParams( string, variableSet, _codePage );
|
|
}
|
|
}
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CWHVarSet::GetStringValueHTML
|
|
//
|
|
// Synopsis: Get variable value formatted as HTML
|
|
//
|
|
// Arguments: [wcsName] -
|
|
// [str] -
|
|
// [ulCodepage] - code page for translation
|
|
//
|
|
// History: 9-09-96 srikants Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
BOOL CWHVarSet::GetStringValueHTML( WCHAR const * wcsName,
|
|
CVirtualString & str,
|
|
ULONG ulCodepage )
|
|
{
|
|
WCHAR const * pwcsValue = Find( wcsName );
|
|
if ( pwcsValue )
|
|
{
|
|
HTMLEscapeW( pwcsValue, str, ulCodepage );
|
|
return TRUE;
|
|
}
|
|
else return FALSE;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CWHVarSet::GetStringValueURL
|
|
//
|
|
// Synopsis: Get variable value formatted as for a URL
|
|
//
|
|
// Arguments: [wcsName] -
|
|
// [str] -
|
|
// [ulCodepage] - code page for translation
|
|
//
|
|
// History: 9-09-96 srikants Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
BOOL CWHVarSet::GetStringValueURL( WCHAR const * wcsName,
|
|
CVirtualString & str,
|
|
ULONG ulCodepage )
|
|
{
|
|
WCHAR const * pwcsValue = Find( wcsName );
|
|
if ( pwcsValue )
|
|
{
|
|
URLEscapeW( pwcsValue, str, ulCodepage );
|
|
return TRUE;
|
|
}
|
|
else return FALSE;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CWHParamNode::~CWHParamNode
|
|
//
|
|
// Synopsis:
|
|
//
|
|
// History: 9-09-96 srikants Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
CWHParamNode::~CWHParamNode()
|
|
{
|
|
if ( 0 != _pNext )
|
|
delete _pNext;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CWHParamReplacer::CWHParamReplacer
|
|
//
|
|
// Synopsis:
|
|
//
|
|
// Arguments: [wcsString] -
|
|
// [wcsPrefix] -
|
|
// [wcsSuffix] -
|
|
//
|
|
// History: 9-09-96 srikants Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
CWHParamReplacer::CWHParamReplacer( WCHAR const * wcsString,
|
|
WCHAR const * wcsPrefix,
|
|
WCHAR const * wcsSuffix ) :
|
|
_wcsString(0),
|
|
_wcsPrefix(wcsPrefix),
|
|
_wcsSuffix(wcsSuffix),
|
|
_ulFlags(0),
|
|
_paramNode(L"Top")
|
|
{
|
|
|
|
Win4Assert( 0 != wcsString );
|
|
Win4Assert( 0 != wcsPrefix );
|
|
Win4Assert( 0 != wcsSuffix );
|
|
|
|
ULONG cwcString = wcslen(wcsString) + 1;
|
|
_wcsString = new WCHAR[ cwcString ];
|
|
RtlCopyMemory( _wcsString, wcsString, cwcString * sizeof(WCHAR) );
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CWHParamReplacer::ParseString
|
|
//
|
|
// Synopsis:
|
|
//
|
|
// Arguments: [variableSet] -
|
|
//
|
|
// History: 9-09-96 srikants Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CWHParamReplacer::ParseString( CWHVarSet & variableSet )
|
|
{
|
|
CWTXScanner scanner( variableSet, _wcsPrefix, _wcsSuffix );
|
|
scanner.Init( _wcsString );
|
|
BuildList( scanner, &_paramNode );
|
|
}
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CWHParamReplacer::ReplaceParams - public
|
|
//
|
|
// Synopsis: Generates a new string replacing all %values% in the original
|
|
// string
|
|
//
|
|
// Arguments: [StrResult] - a safe string to append the new params to
|
|
// [variableSet] - the list of replaceable parameter values
|
|
//
|
|
// Notes: If expressions are handled in the parameter node iterator.
|
|
//
|
|
// History: 96/Jan/03 DwightKr Created.
|
|
// 96/Sep/07 SrikantS Copied and adapted to webhits use from
|
|
// htx.cxx/htx.hxx
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
void CWHParamReplacer::ReplaceParams( CVirtualString & StrResult,
|
|
CWHVarSet & variableSet,
|
|
ULONG ulCodepage )
|
|
{
|
|
for ( CWHParamNodeIter iter(&_paramNode);
|
|
!iter.AtEnd();
|
|
iter.Next() )
|
|
{
|
|
CWHParamNode * pNode = iter.Get();
|
|
|
|
ULONG type = pNode->Type() & eJustParamMask;
|
|
|
|
switch ( type )
|
|
{
|
|
|
|
case eString:
|
|
StrResult.StrCat( pNode->String(), pNode->Length() );
|
|
break;
|
|
|
|
case eParameter:
|
|
case eEscapeHTML:
|
|
{
|
|
if (! variableSet.GetStringValueHTML( pNode->String(),
|
|
StrResult, ulCodepage ) )
|
|
{
|
|
webDebugOut(( DEB_IWARN,
|
|
"Warning: CWHParamReplacer::ReplaceParams GetStringValueHTML returned FALSE for '%ws'\n",
|
|
pNode->String() ));
|
|
|
|
if ( eParameter == type )
|
|
StrResult.StrCat( _wcsPrefix );
|
|
HTMLEscapeW( pNode->String(), StrResult, ulCodepage );
|
|
if ( eParameter == type )
|
|
StrResult.StrCat( _wcsSuffix );
|
|
}
|
|
}
|
|
break;
|
|
|
|
case eEscapeURL:
|
|
{
|
|
if (! variableSet.GetStringValueURL( pNode->String(),
|
|
StrResult, ulCodepage ) )
|
|
{
|
|
webDebugOut(( DEB_IWARN,
|
|
"Warning: CWHParamReplacer::ReplaceParams GetStringValueURL returned FALSE for '%ws'\n",
|
|
pNode->String() ));
|
|
|
|
URLEscapeW( pNode->String(), StrResult, ulCodepage );
|
|
}
|
|
}
|
|
break;
|
|
|
|
case eEscapeRAW:
|
|
{
|
|
ULONG cwcValue;
|
|
WCHAR const * wcsValue = variableSet.GetStringValueRAW( pNode->String(),
|
|
cwcValue );
|
|
|
|
|
|
if ( 0 != wcsValue )
|
|
{
|
|
StrResult.StrCat( wcsValue, cwcValue );
|
|
}
|
|
else
|
|
{
|
|
webDebugOut(( DEB_IWARN,
|
|
"Warning: CWHParamReplacer::ReplaceParams GetStringValueRAW returned NULL for '%ws'\n",
|
|
pNode->String() ));
|
|
|
|
StrResult.StrCat( pNode->String(), pNode->Length() );
|
|
}
|
|
}
|
|
break;
|
|
|
|
#if DBG==1
|
|
case eNone :
|
|
break;
|
|
|
|
default :
|
|
DbgPrint(" unexpected param type: 0x%lx\n", type );
|
|
Win4Assert( !"unexpected parameter type" );
|
|
break;
|
|
#endif // DBG==1
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CWHParamReplacer::BuildList
|
|
//
|
|
// Synopsis: Builds a list of the parameters.
|
|
//
|
|
// Arguments: [scanner] -
|
|
// [pPrev] -
|
|
//
|
|
// History: 9-09-96 srikants Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
void CWHParamReplacer::BuildList( CWTXScanner & scanner,
|
|
CWHParamNode *pPrev )
|
|
{
|
|
CWHParamNode *pNode = 0;
|
|
|
|
while ( scanner.FindNextToken() )
|
|
{
|
|
switch ( scanner.TokenType() & eParamMask )
|
|
{
|
|
case eString:
|
|
{
|
|
//
|
|
// A non-replaceable wcsString was found before any replaceable/
|
|
// conditional nodes. Save the wcsString in a node;
|
|
//
|
|
pNode = new CWHParamNode( scanner.GetToken(), eString );
|
|
pPrev->SetNextNode( pNode );
|
|
pPrev = pNode;
|
|
|
|
break;
|
|
}
|
|
|
|
case eParameter:
|
|
{
|
|
//
|
|
// We've found a replaceable node.
|
|
//
|
|
WCHAR * wcsParameter = scanner.GetToken();
|
|
|
|
pNode = new CWHParamNode( wcsParameter, eParameter );
|
|
|
|
pPrev->SetNextNode( pNode );
|
|
pPrev = pNode;
|
|
|
|
break;
|
|
}
|
|
|
|
case eEscapeHTML:
|
|
{
|
|
WCHAR * wcsParameter = scanner.GetToken();
|
|
pNode = new CWHParamNode( wcsParameter, eEscapeHTML );
|
|
|
|
pPrev->SetNextNode( pNode );
|
|
pPrev = pNode;
|
|
}
|
|
break;
|
|
|
|
case eEscapeURL:
|
|
{
|
|
WCHAR * wcsParameter = scanner.GetToken();
|
|
pNode = new CWHParamNode( wcsParameter, eEscapeURL );
|
|
|
|
pPrev->SetNextNode( pNode );
|
|
pPrev = pNode;
|
|
}
|
|
break;
|
|
|
|
case eEscapeRAW:
|
|
{
|
|
WCHAR * wcsParameter = scanner.GetToken();
|
|
pNode = new CWHParamNode( wcsParameter, eEscapeRAW );
|
|
|
|
pPrev->SetNextNode( pNode );
|
|
pPrev = pNode;
|
|
}
|
|
break;
|
|
|
|
}
|
|
}
|
|
}
|
|
|