SLIOReaderMemory Class Reference

SLIOStream implementation for reading from memory. More...

#include <SLIOMemory.h>

Inheritance diagram for SLIOReaderMemory:

Public Member Functions
	SLIOReaderMemory (std::string path)
size_t	read (void *buffer, size_t size)
size_t	tell ()
bool	seek (size_t offset, Origin origin)
size_t	size ()
Public Member Functions inherited from SLIOStream
virtual	~SLIOStream ()=default
virtual size_t	write (const void *buffer, size_t size)
virtual void	flush ()

Protected Attributes
std::string	_path
size_t	_position

Additional Inherited Members
Public Types inherited from SLIOStream
enum	Origin { IOO_beg , IOO_cur , IOO_end }

Detailed Description

SLIOStream implementation for reading from memory.

Definition at line 27 of file SLIOMemory.h.

Constructor & Destructor Documentation

SLIOReaderMemory()

SLIOReaderMemory::SLIOReaderMemory

(

std::string

path

)

Definition at line 39 of file SLIOMemory.cpp.

  : _path(path)
{
}

Member Function Documentation

read()

size_t SLIOReaderMemory::read ( void *  buffer, size_t  size  )

virtual

Reimplemented from SLIOStream.

Definition at line 44 of file SLIOMemory.cpp.

{
    std::vector<char>& memoryFile = memoryFiles[_path];
    std::memcpy(buffer, memoryFile.data(), size);
    return size;
}

seek()

bool SLIOReaderMemory::seek ( size_t  offset, Origin  origin  )

virtual

Reimplemented from SLIOStream.

Definition at line 56 of file SLIOMemory.cpp.

{
    std::vector<char>& memoryFile  = memoryFiles[_path];
    size_t             size        = (size_t)memoryFile.size();
    size_t             previousPos = _position;
 
    switch (origin)
    {
        case IOO_beg: _position = offset; break;
        case IOO_cur: _position += offset; break;
        case IOO_end: _position = size - 1 - offset; break;
    }
 
    bool ok = _position >= 0 && _position < size;
    if (!ok)
        _position = previousPos;
 
    return ok;
}

size()

size_t SLIOReaderMemory::size ( )

virtual

Reimplemented from SLIOStream.

Definition at line 76 of file SLIOMemory.cpp.

{
    return memoryFiles[_path].size();
}

tell()

size_t SLIOReaderMemory::tell ( )

virtual

Reimplemented from SLIOStream.

Definition at line 51 of file SLIOMemory.cpp.

{
    return _position;
}

Member Data Documentation

_path

std::string SLIOReaderMemory::_path

protected

Definition at line 37 of file SLIOMemory.h.

_position

size_t SLIOReaderMemory::_position

protected

Definition at line 38 of file SLIOMemory.h.

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

• SLIOMemory.h
• SLIOMemory.cpp