ITxtImpFileReader Class Reference

#include <ITxtImpFileReader.h>

Inheritance diagram for ITxtImpFileReader:

Public Types
enum	Encoding {   kTxtImpEncodingInvalid = -1, kTxtImpEncodingASCII, kTxtImpEncodingRESERVED, kTxtImpEncodingShiftJIS,   kTxtImpEncodingJIS, kTxtImpEncodingEUCJP, kTxtImpEncodingUTF16BE, kTxtImpEncodingUTF16LE }
enum	{ kDefaultIID = IID_ITXTIMPFILEREADER }

Public Member Functions
virtual void	SetStream (IPMStream *stream)=0
virtual int32	GetFileSizeInBytes (void)=0
virtual UTF16TextChar	GetNextTextChar (void)=0
Public Member Functions inherited from IPMUnknown
virtual IPMUnknown *	QueryInterface (PMIID interfaceID) const =0
virtual void	AddRef () const =0
virtual void	Release () const =0

Detailed Description

From SDK sample; interface provides a means to read characters (as UNICODE) out of a text file. To implement ITxtImpFileReader, you can use the partial implementation, CTxtImpFileReader, which is also part of this sample.

Member Enumeration Documentation

enum ITxtImpFileReader::Encoding

Options for the various types of Japanese/Roman text file encodings.

Enumerator
kTxtImpEncodingInvalid	Invalid encoding. Value = -1
kTxtImpEncodingASCII	ASCII encoding. Value = 0
kTxtImpEncodingRESERVED	RESERVED - do not use
kTxtImpEncodingShiftJIS	ShiftJIS encoding. Value = 2
kTxtImpEncodingJIS	JIS encoding. Value = 3
kTxtImpEncodingEUCJP	EUC encoding. (not supported) Value = 4
kTxtImpEncodingUTF16BE	Unicode 16-bit Big Endian (Default for PowerPC Macintosh). Value = 5
kTxtImpEncodingUTF16LE	Unicode 16-bit Little Endian (Default for Intel). Value = 5

Member Function Documentation

virtual int32 ITxtImpFileReader::GetFileSizeInBytes ( void  )

pure virtual

Returns the stream (file) size in bytes.

Implemented in CTxtImpFileReader.

virtual UTF16TextChar ITxtImpFileReader::GetNextTextChar ( void  )

pure virtual

Returns the next UNICODE char, or kTextChar_Null if EOF.

Implemented in CTxtImpFileReader, ShiftJISFileReader, JISFileReader, ASCIIFileReader, and UNICODEFileReader.

virtual void ITxtImpFileReader::SetStream ( IPMStream *  stream )

pure virtual

Sets the stream to read.

Implemented in CTxtImpFileReader.