mirror of https://github.com/tongzx/nt5src
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.
143 lines
3.5 KiB
143 lines
3.5 KiB
/*++
|
|
|
|
|
|
|
|
// Copyright (c) 1999-2001 Microsoft Corporation, All Rights Reserved
|
|
|
|
Module Name:
|
|
|
|
OBJPATH.H
|
|
|
|
Abstract:
|
|
|
|
object path parser
|
|
|
|
History:
|
|
|
|
--*/
|
|
|
|
#ifndef _OBJPATH_H_
|
|
#define _OBJPATH_H_
|
|
|
|
#include <opathlex.h>
|
|
|
|
#define DELETE_ME
|
|
|
|
struct KeyRef
|
|
{
|
|
LPWSTR m_pName;
|
|
VARIANT m_vValue;
|
|
HRESULT m_hRes;
|
|
|
|
KeyRef();
|
|
KeyRef(LPCWSTR wszKeyName, const VARIANT* pvValue);
|
|
~KeyRef();
|
|
BOOL IsValid(){ return (m_pName && (S_OK == m_hRes)); };
|
|
};
|
|
|
|
struct ParsedObjectPath
|
|
{
|
|
LPWSTR m_pServer; // NULL if no server
|
|
DWORD m_dwNumNamespaces; // 0 if no namespaces
|
|
DWORD m_dwAllocNamespaces; // size of m_paNamespaces
|
|
LPWSTR *m_paNamespaces; // NULL if no namespaces
|
|
LPWSTR m_pClass; // Class name
|
|
DWORD m_dwNumKeys; // 0 if no keys (just a class name)
|
|
DWORD m_dwAllocKeys; // size of m_paKeys
|
|
KeyRef **m_paKeys; // NULL if no keys specified
|
|
BOOL m_bSingletonObj; // true if object of class with no keys
|
|
ParsedObjectPath();
|
|
~ParsedObjectPath();
|
|
|
|
public:
|
|
BOOL SetClassName(LPCWSTR wszClassName);
|
|
BOOL AddKeyRef(LPCWSTR wszKeyName, const VARIANT* pvValue);
|
|
BOOL AddKeyRef(KeyRef* pAcquireRef);
|
|
BOOL AddKeyRefEx(LPCWSTR wszKeyName, const VARIANT* pvValue);
|
|
BOOL AddNamespace(LPCWSTR wszNamespace);
|
|
LPWSTR GetKeyString();
|
|
LPWSTR GetNamespacePart();
|
|
LPWSTR GetParentNamespacePart();
|
|
void ClearKeys () ;
|
|
BOOL IsRelative(LPCWSTR wszMachine, LPCWSTR wszNamespace);
|
|
BOOL IsLocal(LPCWSTR wszMachine);
|
|
BOOL IsClass();
|
|
BOOL IsInstance();
|
|
BOOL IsObject();
|
|
BOOL IsValid()
|
|
{
|
|
return (m_paNamespaces && m_paKeys);
|
|
};
|
|
|
|
};
|
|
|
|
// NOTE:
|
|
// The m_vValue in the KeyRef may not be of the expected type, i.e., the parser
|
|
// cannot distinguish 16 bit integers from 32 bit integers if they fall within the
|
|
// legal subrange of a 16 bit value. Therefore, the parser only uses the following
|
|
// types for keys:
|
|
// VT_I4, VT_R8, VT_BSTR
|
|
// If the underlying type is different, the user of this parser must do appropriate
|
|
// type conversion.
|
|
//
|
|
typedef enum
|
|
{
|
|
e_ParserAcceptRelativeNamespace, // Allow a relative namespace
|
|
e_ParserAbsoluteNamespaceOnly, // Require a full object path
|
|
e_ParserAcceptAll // Accept any recognizable subset of a path
|
|
} ObjectParserFlags;
|
|
|
|
class CObjectPathParser
|
|
{
|
|
LPWSTR m_pInitialIdent;
|
|
int m_nCurrentToken;
|
|
CGenLexer *m_pLexer;
|
|
ParsedObjectPath *m_pOutput;
|
|
KeyRef *m_pTmpKeyRef;
|
|
|
|
ObjectParserFlags m_eFlags;
|
|
|
|
private:
|
|
void Zero();
|
|
void Empty();
|
|
|
|
int begin_parse();
|
|
|
|
int ns_or_server();
|
|
int ns_or_class();
|
|
int objref();
|
|
int ns_list();
|
|
int ident_becomes_ns();
|
|
int ident_becomes_class();
|
|
int objref_rest();
|
|
int ns_list_rest();
|
|
int key_const();
|
|
int keyref_list();
|
|
int keyref();
|
|
int keyref_term();
|
|
int propname();
|
|
int optional_objref();
|
|
|
|
int NextToken();
|
|
|
|
public:
|
|
enum { NoError, SyntaxError, InvalidParameter, OutOfMemory };
|
|
|
|
CObjectPathParser(ObjectParserFlags eFlags = e_ParserAbsoluteNamespaceOnly);
|
|
~CObjectPathParser();
|
|
|
|
int Parse(
|
|
LPCWSTR RawPath,
|
|
ParsedObjectPath **pOutput
|
|
);
|
|
static int WINAPI Unparse(
|
|
ParsedObjectPath* pInput,
|
|
DELETE_ME LPWSTR* pwszPath);
|
|
|
|
static LPWSTR WINAPI GetRelativePath(LPWSTR wszFullPath);
|
|
|
|
void Free(ParsedObjectPath *pOutput);
|
|
void Free( LPWSTR wszUnparsedPath );
|
|
};
|
|
|
|
#endif
|