You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
395 lines
11 KiB
395 lines
11 KiB
//+---------------------------------------------------------------------------
|
|
//
|
|
// Copyright (C) 1996 - 1997, Microsoft Corporation.
|
|
//
|
|
// File: whtmplat.hxx
|
|
//
|
|
// Contents: Parser for an webhits template file
|
|
//
|
|
// History: 96/Sep/8 SrikantsS Adapted from htx.hxx
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
#pragma once
|
|
|
|
enum ENodeType
|
|
{
|
|
eNone = 0x0,
|
|
eParameter = 0x1,
|
|
eString = 0x2,
|
|
|
|
eEscapeHTML = 0x6,
|
|
eEscapeURL = 0x7,
|
|
eEscapeRAW = 0x8,
|
|
|
|
eParamOwnsVariantMemory = 0x00100000
|
|
};
|
|
|
|
const ULONG eJustParamMask = 0x0000ffff;
|
|
const ULONG eParamMask = 0x0001FFFF;
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Class: CWTXException
|
|
//
|
|
// Purpose: Exception class for the template errors.
|
|
//
|
|
// History: 9-09-96 srikants Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
class CWTXException : public CException
|
|
{
|
|
|
|
public:
|
|
|
|
CWTXException( LONG lerror,
|
|
WCHAR const * pwcsFileName,
|
|
LONG iLineNum )
|
|
: CException( lerror ),
|
|
_iLineNum(iLineNum)
|
|
{
|
|
_wcsFileName[0] = 0;
|
|
if ( 0 != pwcsFileName )
|
|
{
|
|
wcsncpy( _wcsFileName, pwcsFileName, MAX_PATH );
|
|
_wcsFileName[MAX_PATH] = 0;
|
|
}
|
|
}
|
|
|
|
WCHAR const * GetFileName() const { return _wcsFileName; }
|
|
LONG GetLineNumber() const { return _iLineNum; }
|
|
|
|
private:
|
|
|
|
WCHAR _wcsFileName[MAX_PATH+1];
|
|
LONG _iLineNum;
|
|
};
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Class: CWHVarSet
|
|
//
|
|
// Purpose: Webhits variables sets. This class will resolve the replaceable
|
|
// parameters for webhits.
|
|
//
|
|
// History: 9-09-96 srikants Created
|
|
//
|
|
// Notes: As the number of repleacable parameters is very small, a
|
|
// linear lookup is fine.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
class CWHVarSet
|
|
{
|
|
enum { eMaxParams = 15 };
|
|
|
|
public:
|
|
|
|
CWHVarSet() : _count(0) {}
|
|
|
|
BOOL GetStringValueHTML( WCHAR const * wcsName, CVirtualString & str, ULONG ulCodepage );
|
|
|
|
BOOL GetStringValueURL( WCHAR const * wcsName, CVirtualString & str, ULONG ulCodepage );
|
|
|
|
WCHAR const * GetStringValueRAW( WCHAR const * wcsName, ULONG & cwc )
|
|
{
|
|
WCHAR const * pwcsValue = Find( wcsName );
|
|
if ( 0 != pwcsValue )
|
|
cwc = wcslen( pwcsValue );
|
|
|
|
return pwcsValue;
|
|
}
|
|
|
|
WCHAR const * Find( WCHAR const * wcsName )
|
|
{
|
|
for ( ULONG i = 0; i < _count; i++ )
|
|
{
|
|
if ( 0 == _wcsicmp( _aParamNames[i], wcsName ) )
|
|
return _aParamValues[i];
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void AddParam( WCHAR const * pwcsName, WCHAR const * pwcsValue )
|
|
{
|
|
Win4Assert( _count <= eMaxParams );
|
|
Win4Assert( 0 != pwcsName );
|
|
Win4Assert( 0 != pwcsValue );
|
|
|
|
if ( _count >= eMaxParams )
|
|
THROW( CException( STATUS_INVALID_PARAMETER ) );
|
|
|
|
_aParamNames[_count] = pwcsName;
|
|
_aParamValues[_count++] = pwcsValue;
|
|
}
|
|
|
|
private:
|
|
|
|
ULONG _count;
|
|
|
|
WCHAR const * _aParamNames[eMaxParams];
|
|
WCHAR const * _aParamValues[eMaxParams];
|
|
|
|
};
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Class: CWHParamNode
|
|
//
|
|
// Purpose: A parameter node for the replaceable parameters.
|
|
//
|
|
// History: 9-09-96 srikants Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
class CWHParamNode
|
|
{
|
|
|
|
friend class CWHParamNodeIter;
|
|
|
|
public:
|
|
|
|
CWHParamNode( WCHAR * ptr, ENodeType eType = eNone )
|
|
:_eType(eType),
|
|
_ptr(ptr),
|
|
_pNext(0),
|
|
_cwcString(0)
|
|
{
|
|
|
|
}
|
|
|
|
~CWHParamNode();
|
|
|
|
WCHAR const * String() const { return _ptr; }
|
|
ULONG Type() const { return _eType; }
|
|
ULONG Length()
|
|
{
|
|
if ( 0 == _cwcString )
|
|
_cwcString = wcslen( _ptr );
|
|
|
|
return _cwcString;
|
|
}
|
|
|
|
void SetNextNode( CWHParamNode * pNext ) { _pNext = pNext; }
|
|
|
|
CWHParamNode * GetNextNode() const { return _pNext; }
|
|
|
|
CWHParamNode * GetEndNode()
|
|
{
|
|
CWHParamNode *pEndNode = this;
|
|
while ( 0 != pEndNode->GetNextNode() )
|
|
{
|
|
pEndNode = pEndNode->GetNextNode();
|
|
}
|
|
|
|
return pEndNode;
|
|
}
|
|
|
|
CWHParamNode * QueryNextNode()
|
|
{
|
|
CWHParamNode * pTemp = _pNext;
|
|
_pNext = 0;
|
|
return pTemp;
|
|
}
|
|
|
|
BOOL IsEmpty() const { return 0 == GetNextNode(); }
|
|
|
|
private:
|
|
|
|
ULONG _eType; // Type of node
|
|
WCHAR * _ptr; // Ptr to string associated with node
|
|
CWHParamNode * _pNext; // Next node
|
|
ULONG _cwcString; // length of the string _ptr
|
|
|
|
};
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Class: CWHParamNodeIter
|
|
//
|
|
// Purpose: An iterator over the list of parameter nodes.
|
|
//
|
|
// History: 9-09-96 srikants Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
class CWHParamNodeIter
|
|
{
|
|
|
|
public:
|
|
|
|
CWHParamNodeIter( CWHParamNode * pNode ) : _root(pNode) {}
|
|
|
|
void Next()
|
|
{
|
|
Win4Assert( !AtEnd() );
|
|
_root = _root->GetNextNode();
|
|
}
|
|
|
|
BOOL AtEnd() const { return 0 == _root; }
|
|
CWHParamNode * Get() { return _root; }
|
|
|
|
private:
|
|
|
|
CWHParamNode * _root; // Root of the parameter list
|
|
|
|
};
|
|
|
|
class CWTXScanner;
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Class: CWHParamReplacer
|
|
//
|
|
// Purpose: Parameter replacer for webhits replaceable parameters.
|
|
//
|
|
// History: 9-09-96 srikants Created
|
|
//
|
|
// Notes: Adapted from idq.dll
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
class CWHParamReplacer
|
|
{
|
|
public:
|
|
|
|
CWHParamReplacer( WCHAR const * wcsString,
|
|
WCHAR const * wcsPrefix,
|
|
WCHAR const * wcsSuffix );
|
|
|
|
~CWHParamReplacer()
|
|
{
|
|
delete _wcsString;
|
|
}
|
|
|
|
void ParseString( CWHVarSet & variableSet );
|
|
|
|
void ReplaceParams( CVirtualString & strResult,
|
|
CWHVarSet & variableSet,
|
|
ULONG ulCodepage );
|
|
|
|
ULONG GetFlags() const { return _ulFlags; }
|
|
|
|
private:
|
|
|
|
void BuildList( CWTXScanner & scanner, CWHParamNode * paramNode );
|
|
|
|
WCHAR * _wcsString; // The string we've parsed
|
|
WCHAR const * _wcsPrefix; // Deliminating prefix
|
|
WCHAR const * _wcsSuffix; // Deliminating suffix
|
|
ULONG _ulFlags; // Flags associated with replaced variables
|
|
CWHParamNode _paramNode; // List of ptrs to replace params
|
|
|
|
};
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Class: CWTXScanner
|
|
//
|
|
// Purpose: Breaks up a string into a number of HTX tokens
|
|
//
|
|
// History: 96/Jan/23 DwightKr Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
class CWTXScanner
|
|
{
|
|
|
|
public:
|
|
|
|
CWTXScanner( CWHVarSet & variableSet,
|
|
WCHAR const * wcsPrefix,
|
|
WCHAR const * wcsSuffix );
|
|
|
|
void Init( WCHAR * wcsString );
|
|
BOOL FindNextToken();
|
|
BOOL IsToken(WCHAR * wcs);
|
|
int TokenType() const { return _type; }
|
|
|
|
WCHAR * GetToken();
|
|
|
|
private:
|
|
|
|
WCHAR * _wcsString; // String to parse
|
|
WCHAR const * _wcsPrefix; // Token prefix delimiter
|
|
WCHAR const * _wcsSuffix; // Token suffix delimiter
|
|
WCHAR * _wcsPrefixToken; // Start of current token
|
|
WCHAR * _wcsSuffixToken; // End of current token
|
|
|
|
CWHVarSet & _variableSet; // List of replaceabe parameters
|
|
// used to identify replaceable tokens
|
|
|
|
unsigned _cchPrefix; // Length of the prefix delimiter
|
|
unsigned _cchSuffix; // Length of the suffix delimiter
|
|
|
|
WCHAR * _wcsNextToken; // Ptr to next token
|
|
ENodeType _type; // Type of current token
|
|
ENodeType _nextType; // Type of next token if not eNone
|
|
};
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Class: CWTXFile
|
|
//
|
|
// Purpose: Scans and parses an HTX file.
|
|
//
|
|
// History: 96/Jan/23 DwightKr Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
class CWTXFile
|
|
{
|
|
public:
|
|
|
|
CWTXFile( WCHAR const * wcsTemplateName,
|
|
WCHAR const * wcsPhysicalName,
|
|
UINT codePage );
|
|
~CWTXFile();
|
|
|
|
void ParseFile( CWHVarSet & variableSet );
|
|
|
|
BOOL DoesHeaderExist() const { return 0 != _pVarHeader; }
|
|
void GetHeader( CVirtualString & string,
|
|
CWHVarSet & variableSet );
|
|
|
|
BOOL DoesFooterExist() const { return 0 != _pVarFooter; }
|
|
void GetFooter( CVirtualString & string,
|
|
CWHVarSet & variableSet );
|
|
|
|
BOOL DoesDetailSectionExist() { return 0 != _pVarRowDetails; }
|
|
|
|
void GetDetailSection( CVirtualString & string,
|
|
CWHVarSet & variableSet )
|
|
{
|
|
Win4Assert( 0 != _pVarRowDetails );
|
|
|
|
_pVarRowDetails->ReplaceParams( string, variableSet, _codePage );
|
|
}
|
|
|
|
WCHAR const * GetVirtualName() const { return _wcsVirtualName; }
|
|
|
|
void GetFileNameAndLineNumber( int offset,
|
|
WCHAR const *& wcsFileName,
|
|
LONG & lineNumber );
|
|
|
|
UINT GetCodePage() const { return _codePage; }
|
|
|
|
private:
|
|
|
|
WCHAR * ReadFile( WCHAR const * wcsFileName );
|
|
|
|
LONG CountLines( WCHAR const * wcsStart, WCHAR const * wcsEnd ) const;
|
|
|
|
WCHAR const * _wcsVirtualName; // Virtual name of HTX file
|
|
WCHAR const * _wcsPhysicalName; // Physical name
|
|
|
|
WCHAR * _wcsFileBuffer; // Contents of HTX file
|
|
|
|
CWHParamReplacer * _pVarHeader; // Buffer containing HTX header
|
|
CWHParamReplacer * _pVarRowDetails; // Buffer containing detail section
|
|
CWHParamReplacer * _pVarFooter; // Buffer containing footer
|
|
|
|
UINT _codePage; // Code page used to read this file
|
|
};
|
|
|