FileInputStream Class Reference

#include <FileInputStream.h>

Inheritance diagram for FileInputStream:

Protected Member Functions
void	init (File *_pFile)
	__DCL_THROWS1 (IOException *)
Protected Member Functions inherited from Object
virtual	~Object ()
	Object ()

Protected Attributes
File *	__file
bool	__closeDestroy
byte_t *	__buf
size_t	__bufSize
const byte_t *	__cacheStart
size_t	__cacheSize

Additional Inherited Members
Public Member Functions inherited from Object
virtual String	toString () const
virtual void	destroy ()
String	className () const
bool	isInstanceOf (const std::type_info &typeinfo) const
virtual const std::type_info &	typeInfo () const

Detailed Description

파일로부터 바이트 스트림을 읽는다. 파일이 블록 장치이면 블록의 크기 단위로 입력 버퍼가 설정된다.

Author

Daejung Kim

Since

DCL Version 1.0

See also

File

Definition at line 22 of file FileInputStream.h.

Member Function Documentation

__DCL_THROWS1()

FileInputStream::__DCL_THROWS1 ( IOException * )

protected

init()

void FileInputStream::init ( File * _pFile )

protected

Definition at line 55 of file FileInputStream.cpp.

{
    __buf = NULL;
    __bufSize = 0;
#if __DCL_WINDOWS
    switch (_pFile->fileType())
    {
    case File::REGULAR:
        __bufSize = 4096;
        break;
#if 0
    case File::PIPE:
        {
            DWORD dwInBufferSize = 0;
            if (GetNamedPipeInfo(_pFile->handle(), NULL, NULL, &dwInBufferSize, NULL))
                __bufSize = dwInBufferSize;
        }
        break;
#endif
    }
 
#else
    struct stat st;
    if (fstat(_pFile->handle(), &st))     // = -1
        throw new IOException(__file->path(), errno);
    if (S_ISBLK(st.st_mode))
        __bufSize = st.st_blksize;
 
#endif
    __cacheStart = NULL;
    __cacheSize = 0;
}

Member Data Documentation

__buf

byte_t* FileInputStream::__buf

protected

Definition at line 103 of file FileInputStream.h.

__bufSize

size_t FileInputStream::__bufSize

protected

Definition at line 104 of file FileInputStream.h.

__cacheSize

size_t FileInputStream::__cacheSize

protected

Definition at line 106 of file FileInputStream.h.

__cacheStart

const byte_t* FileInputStream::__cacheStart

protected

Definition at line 105 of file FileInputStream.h.

__closeDestroy

bool FileInputStream::__closeDestroy

protected

Definition at line 101 of file FileInputStream.h.

__file

File* FileInputStream::__file

protected

Definition at line 100 of file FileInputStream.h.

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The documentation for this class was generated from the following files:

• FileInputStream.h
• FileInputStream.cpp