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81 lines
2.6 KiB
81 lines
2.6 KiB
// 10/12/99 scotthan created
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#ifndef __FILTGREP_H__
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#define __FILTGREP_H__
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#if WINNT
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#ifndef _USE_FILTERGREP_
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#define _USE_FILTERGREP_
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#endif//_USE_FILTERGREP_
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#include <filter.h> // STAT_CHUNK
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// CFilterGrep::Initialize() dwFlags values:
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#define FGIF_CASESENSITIVE 0x00000001 // grep in case-sensitive manner
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#define FGIF_GREPFILENAME 0x00000002 // grep filename
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#define FGIF_GREPCONTENT 0x00000004 // grep content
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#define FGIF_GREPPROPERTIES 0x00000008 // grep properties
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#define FGIF_BLANKETGREP (FGIF_GREPCONTENT|FGIF_GREPPROPERTIES)
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#ifdef __cplusplus
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class CGrepTokens;
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class CFilterGrep // filtergrep state engine
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{
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public:
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// Methods
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STDMETHODIMP Initialize(UINT nCodePage, LPCWSTR pszMatch, LPCWSTR pszExclude, DWORD dwFlags);
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STDMETHODIMP Grep(IShellFolder *psf, LPCITEMIDLIST pidl, LPCTSTR pszName);
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STDMETHODIMP Reset();
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// Properties
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STDMETHODIMP GetCodePage( UINT* pnCodePage ) const;
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STDMETHODIMP GetMatchTokens( OUT LPWSTR pszMatch, UINT cchMatch ) const;
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STDMETHODIMP GetExcludeTokens( OUT LPWSTR pszMatch, UINT cchMatch ) const;
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STDMETHODIMP GetFlags( DWORD* pdwFlags ) const;
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private:
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// Helpers
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STDMETHODIMP _GetThreadGrepBuffer( DWORD dwThreadID, ULONG cchNeed, LPWSTR* ppszBuf );
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STDMETHODIMP _FreeThreadGrepBuffer( DWORD dwThreadID );
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STDMETHODIMP_(void) _ClearGrepBuffers();
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STDMETHODIMP _GrepText( IFilter* pFilter, STAT_CHUNK* pstat, DWORD dwThreadID );
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STDMETHODIMP _GrepValue( IFilter* pFilter, STAT_CHUNK* pstat );
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STDMETHODIMP _GrepProperties(IPropertySetStorage *pss);
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STDMETHODIMP _GrepPropStg(IPropertyStorage* pstg, ULONG cspec, PROPSPEC rgspec[]);
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STDMETHODIMP _GrepEnumPropStg(IPropertyStorage* pstg);
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STDMETHODIMP_(BOOL) _IsRestrictedFileType(LPCWSTR pwszFile);
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void _EnterCritical() { EnterCriticalSection( &_critsec ); }
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void _LeaveCritical() { LeaveCriticalSection( &_critsec ); }
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// Data
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HDPA _hdpaGrepBuffers;
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CRITICAL_SECTION _critsec;
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CGrepTokens* _pTokens;
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DWORD _dwFlags;
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LPWSTR _pwszContentRestricted,
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_pwszPropertiesRestricted;
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public:
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// Ctor, Dtor
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CFilterGrep();
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~CFilterGrep();
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};
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#endif //__cplusplus
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#define FACILITY_FILTERGREP 77 // arbitrary
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#define MAKE_FILTGREP_ERROR(sc) MAKE_HRESULT(SEVERITY_ERROR,FACILITY_FILTERGREP,sc)
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#define MAKE_FILTGREP_WARNING(sc) MAKE_HRESULT(SEVERITY_SUCCESS,FACILITY_FILTERGREP,sc)
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#define FG_E_NOFILTER MAKE_FILTGREP_ERROR(0x0001)
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#endif WINNT
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#endif __FILTGREP_H__
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