xref: /trunk/main/basic/source/inc/iosys.hxx (revision 234bd5c5)
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21 
22 
23 
24 #ifndef _SBIOSYS_HXX
25 #define _SBIOSYS_HXX
26 
27 #include <tools/stream.hxx>
28 #ifndef _SBERRORS_HXX
29 #include <basic/sberrors.hxx>
30 #endif
31 
32 class SvStream;
33 
34 // Zur Zeit sind globale Dateien (Kanalnummern 256 bis 511)
35 // nicht implementiert.
36 
37 #define CHANNELS 256
38 #define CONSOLE  0
39 
40 #define	SBSTRM_INPUT	0x0001		// Input
41 #define	SBSTRM_OUTPUT	0x0002		// Output
42 #define	SBSTRM_RANDOM	0x0004		// Random
43 #define	SBSTRM_APPEND	0x0008		// Append
44 #define	SBSTRM_BINARY	0x0010		// Binary
45 
46 class SbiStream {
47 	SvStream* pStrm;				// der Stream
48 	sal_uIntPtr  nExpandOnWriteTo;		// bei Schreibzugriff, den Stream
49 									// bis zu dieser Groesse aufblasen
50 	ByteString aLine;				// aktuelle Zeile
51 	sal_uIntPtr  nLine;					// aktuelle Zeilennummer
52 	short  nLen;	 				// Pufferlaenge
53 	short  nMode;					// Bits:
54 	short  nChan;					// aktueller Kanal
55 	SbError nError;					// letzter Fehlercode
56 	void   MapError();				// Fehlercode mappen
57 
58 public:
59 	SbiStream();
60    ~SbiStream();
61 	SbError Open( short, const ByteString&, short, short, short );
62 	SbError Close();
63 	SbError Read( ByteString&, sal_uInt16 = 0, bool bForceReadingPerByte=false );
64 	SbError Read( char& );
65 	SbError Write( const ByteString&, sal_uInt16 = 0 );
66 
IsText() const67 	bool IsText() const		{ return (nMode & SBSTRM_BINARY) == 0; }
IsRandom() const68 	bool IsRandom() const	{ return (nMode & SBSTRM_RANDOM) != 0; }
IsBinary() const69 	bool IsBinary() const	{ return (nMode & SBSTRM_BINARY) != 0; }
IsSeq() const70 	bool IsSeq() const		{ return (nMode & SBSTRM_RANDOM) == 0; }
IsAppend() const71 	bool IsAppend() const	{ return (nMode & SBSTRM_APPEND) != 0; }
GetBlockLen() const72 	short GetBlockLen() const 		   { return nLen; 			}
GetMode() const73 	short GetMode() const 			   { return nMode; 			}
GetLine() const74 	sal_uIntPtr GetLine() const			   { return nLine;			}
SetExpandOnWriteTo(sal_uIntPtr n)75 	void SetExpandOnWriteTo( sal_uIntPtr n ) { nExpandOnWriteTo = n;	}
76 	void ExpandFile();
GetStrm()77 	SvStream* GetStrm() 			   { return pStrm; 		   	}
78 };
79 
80 class SbiIoSystem {
81 	SbiStream* pChan[ CHANNELS ];
82 	ByteString	aPrompt;			// Input-Prompt
83 	ByteString	aIn, aOut;	  		// Console-Buffer
84 	short     nChan;				// aktueller Kanal
85 	SbError	  nError;				// letzter Fehlercode
86 	void	  ReadCon( ByteString& );
87 	void	  WriteCon( const ByteString& );
88 public:
89 	SbiIoSystem();
90    ~SbiIoSystem();
91 	SbError GetError();
92 	void  Shutdown();
SetPrompt(const ByteString & r)93 	void  SetPrompt( const ByteString& r ) { aPrompt = r; }
SetChannel(short n)94 	void  SetChannel( short n  )	   { nChan = n;   }
GetChannel() const95 	short GetChannel() const		   { return nChan;}
ResetChannel()96 	void  ResetChannel() 			   { nChan = 0;   }
97 	void  Open( short, const ByteString&, short, short, short );
98 	void  Close();
99 	void  Read( ByteString&, short = 0 );
100 	char  Read();
101 	void  Write( const ByteString&, short = 0 );
102 	short NextChannel();
103 	// 0 == bad channel or no SvStream (nChannel=0..CHANNELS-1)
104 	SbiStream* GetStream( short nChannel ) const;
105 	void  CloseAll(); // JSM
106 };
107 
108 #endif
109 
110