169 lines
4.7 KiB
C
169 lines
4.7 KiB
C
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/*******************************************************************************
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*
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* (C) COPYRIGHT MICROSOFT CORPORATION, 2000
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*
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* TITLE: DUMPPROP.H
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*
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* VERSION: 1.0
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*
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* AUTHOR: ShaunIv
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*
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* DATE: 9/25/2000
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*
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* DESCRIPTION: Display the properties associated with a IWiaItem, either to the
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* debugger, or to a log file.
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*
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*******************************************************************************/
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#ifndef __DUMPPROP_H_INCLUDED
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#define __DUMPPROP_H_INCLUDED
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#include <simstr.h>
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#include <wia.h>
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#include <wiadebug.h>
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class CWiaDebugDump
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{
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private:
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//
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// No implementation
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//
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CWiaDebugDump( const CWiaDebugDump & );
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CWiaDebugDump &operator=( const CWiaDebugDump & );
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public:
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//
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// Static helper functions
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//
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static CSimpleString GetPropVariantTypeString( VARTYPE vt );
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static CSimpleString GetPrintableValue( PROPVARIANT &PropVariant );
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static CSimpleString GetPrintableValue( VARIANT &Variant );
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static CSimpleString GetPrintableName( const STATPROPSTG &StatPropStg );
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static CSimpleString GetPrintableAccessFlags( ULONG nAccessFlags );
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static CSimpleString GetPrintableLegalValues( ULONG nAccessFlags, const PROPVARIANT &PropVariantAttributes );
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static CSimpleString GetWiaItemTypeFlags( IUnknown *pUnknown );
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static CSimpleString GetStringFromGuid( const GUID &guid );
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static CSimpleString GetTymedString( LONG tymed );
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virtual void Print( LPCTSTR pszString );
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protected:
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void PrintAndDestroyWiaDevCap( WIA_DEV_CAP &WiaDevCap, LPCTSTR pszType );
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public:
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//
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// Constructor and destructor
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//
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CWiaDebugDump(void);
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virtual ~CWiaDebugDump(void);
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//
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// Helpers
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//
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void DumpFormatInfo( IUnknown *pUnknown );
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void DumpCaps( IUnknown *pUnknown );
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void DumpEvents( IUnknown *pUnknown );
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virtual bool OK(void) { return true; }
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//
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// These are the most generally useful functions
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//
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void DumpWiaPropertyStorage( IUnknown *pUnknown );
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void DumpWiaItem( IUnknown *pUnknown );
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void DumpRecursive( IUnknown *pUnknown );
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};
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class CWiaDebugDumpToFile : public CWiaDebugDump
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{
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private:
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HANDLE m_hFile;
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private:
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CWiaDebugDumpToFile(void);
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CWiaDebugDumpToFile( const CWiaDebugDumpToFile & );
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CWiaDebugDumpToFile &operator=( const CWiaDebugDumpToFile & );
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public:
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//
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// Constructor and destructor
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//
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CWiaDebugDumpToFile( LPCTSTR pszFilename, bool bOverwrite );
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virtual ~CWiaDebugDumpToFile(void);
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virtual bool OK(void) { return (m_hFile != INVALID_HANDLE_VALUE); }
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virtual void Print( LPCTSTR pszString );
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};
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class CWiaDebugDumpToFileHandle : public CWiaDebugDump
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{
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private:
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HANDLE m_hFile;
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private:
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CWiaDebugDumpToFileHandle(void);
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CWiaDebugDumpToFileHandle( const CWiaDebugDumpToFileHandle & );
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CWiaDebugDumpToFileHandle &operator=( const CWiaDebugDumpToFileHandle & );
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public:
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//
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// Constructor and destructor
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//
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CWiaDebugDumpToFileHandle( HANDLE hFile );
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virtual ~CWiaDebugDumpToFileHandle(void);
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virtual bool OK(void) { return (m_hFile != INVALID_HANDLE_VALUE); }
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virtual void Print( LPCTSTR pszString );
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};
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//
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// This small helper function checks a registry entry, and saves the item or tree to the log file stored in that entry. If
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// one is not stored in that registry entry, nothing will be saved
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//
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inline void SaveItemTreeLog( HKEY hKey, LPCTSTR pszRegKey, LPCTSTR pszRegValue, bool bOverwrite, IWiaItem *pWiaItem, bool bRecurse )
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{
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CSimpleString strFilename = CSimpleReg(hKey,pszRegKey,false,KEY_READ).Query(pszRegValue,TEXT(""));
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if (strFilename.Length())
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{
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if (bRecurse)
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{
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CWiaDebugDumpToFile(strFilename,bOverwrite).DumpRecursive(pWiaItem);
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}
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else
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{
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CWiaDebugDumpToFile(strFilename,bOverwrite).DumpWiaItem(pWiaItem);
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}
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}
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}
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//
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// Debug-only macros
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//
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#if defined(DBG) || defined(DEBUG) || defined(_DEBUG)
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//
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// Save the whole tree to a log file, from this item down
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//
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#define WIA_SAVEITEMTREELOG(hKey,pszRegKey,pszRegValue,bOverwrite,pWiaItem) SaveItemTreeLog( hKey, pszRegKey, pszRegValue, bOverwrite, pWiaItem, true )
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//
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// Save this item to a log file
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//
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#define WIA_SAVEITEMLOG(hKey,pszRegKey,pszRegValue,bOverwrite,pWiaItem) SaveItemTreeLog( hKey, pszRegKey, pszRegValue, bOverwrite, pWiaItem, false )
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//
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// Print this item in the debugger
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//
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#define WIA_DUMPWIAITEM(pWiaItem) CWiaDebugDump().DumpWiaItem(pWiaItem);
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#else
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#define WIA_SAVEITEMTREELOG(hKey,pszRegKey,pszRegValue,bOverwrite,pWiaItem)
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#define WIA_SAVEITEMLOG(hKey,pszRegKey,pszRegValue,bOverwrite,pWiaItem)
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#define WIA_DUMPWIAITEM(pWiaItem)
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#endif
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#endif // __DUMPPROP_H_INCLUDED
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