reader_bigmem

#include <filesystem_helper.h>

Inheritance diagram for reader_bigmem:

Public Member Functions
	reader_bigmem ()
bool	can_seek ()
bool	get_content_type (pfc::string_base &p_out)
t_filesize	get_position (abort_callback &p_abort)
t_filesize	get_size (abort_callback &p_abort)
t_filetimestamp	get_timestamp (abort_callback &p_abort)
bool	is_in_memory ()
bool	is_remote ()
t_size	read (void *p_buffer, t_size p_bytes, abort_callback &p_abort)
void	read_object (void *p_buffer, t_size p_bytes, abort_callback &p_abort)
void	reopen (abort_callback &p_abort)
void	seek (t_filesize p_position, abort_callback &p_abort)
t_filesize	skip (t_filesize p_bytes, abort_callback &p_abort)
void	skip_object (t_filesize p_bytes, abort_callback &p_abort)

Protected Member Functions
size_t	remaining () const
void	resize (size_t newSize)

Protected Attributes
pfc::bigmem	m_mem
size_t	m_offset

Detailed Description

Definition at line 747 of file filesystem_helper.h.

Constructor & Destructor Documentation

reader_bigmem::reader_bigmem ( )

inline

Definition at line 749 of file filesystem_helper.h.

: m_offset() {}

Member Function Documentation

bool reader_bigmem::can_seek ( )

inline

Definition at line 777 of file filesystem_helper.h.

{return true;}

bool reader_bigmem::get_content_type ( pfc::string_base &  p_out )

inline

Definition at line 782 of file filesystem_helper.h.

{return false;}

t_filesize reader_bigmem::get_position ( abort_callback &  p_abort )

inline

Definition at line 772 of file filesystem_helper.h.

{p_abort.check(); return m_offset;}

t_filesize reader_bigmem::get_size ( abort_callback &  p_abort )

inline

Definition at line 771 of file filesystem_helper.h.

{p_abort.check(); return m_mem.size();}

t_filetimestamp reader_bigmem::get_timestamp ( abort_callback &  p_abort )

inline

Definition at line 783 of file filesystem_helper.h.

{return filetimestamp_invalid;}

bool reader_bigmem::is_in_memory ( )

inline

Definition at line 778 of file filesystem_helper.h.

{return true;}

bool reader_bigmem::is_remote ( )

inline

Definition at line 784 of file filesystem_helper.h.

{return false;}

t_size reader_bigmem::read ( void *  p_buffer, t_size  p_bytes, abort_callback &  p_abort  )

inline

Definition at line 750 of file filesystem_helper.h.

                                                                         {
        pfc::min_acc( p_bytes, remaining() );
        m_mem.read( p_buffer, p_bytes, m_offset );
        m_offset += p_bytes;
        return p_bytes;
    }

void reader_bigmem::read_object ( void *  p_buffer, t_size  p_bytes, abort_callback &  p_abort  )

inline

Definition at line 756 of file filesystem_helper.h.

                                                                              {
        if (p_bytes > remaining()) throw exception_io_data_truncation();
        m_mem.read( p_buffer, p_bytes, m_offset );
        m_offset += p_bytes;
    }

size_t reader_bigmem::remaining ( ) const

inlineprotected

Definition at line 790 of file filesystem_helper.h.

{return m_mem.size() - m_offset;}

void reader_bigmem::reopen ( abort_callback &  p_abort )

inline

Definition at line 779 of file filesystem_helper.h.

{seek(0, p_abort);}

void reader_bigmem::resize ( size_t  newSize )

inlineprotected

Definition at line 786 of file filesystem_helper.h.

                                {
        m_offset = 0;
        m_mem.resize( newSize );
    }

void reader_bigmem::seek ( t_filesize  p_position, abort_callback &  p_abort  )

inline

Definition at line 773 of file filesystem_helper.h.

                                                              {
        if (p_position > m_mem.size()) throw exception_io_seek_out_of_range();
        m_offset = (size_t) p_position;
    }

t_filesize reader_bigmem::skip ( t_filesize  p_bytes, abort_callback &  p_abort  )

inline

Definition at line 761 of file filesystem_helper.h.

                                                                 {
        pfc::min_acc( p_bytes, (t_filesize) remaining() );
        m_offset += (size_t) p_bytes;
        return p_bytes;
    }

void reader_bigmem::skip_object ( t_filesize  p_bytes, abort_callback &  p_abort  )

inline

Definition at line 766 of file filesystem_helper.h.

                                                                  {
        if (p_bytes > remaining()) throw exception_io_data_truncation();
        m_offset += (size_t) p_bytes;
    }

Field Documentation

pfc::bigmem reader_bigmem::m_mem

protected

Definition at line 791 of file filesystem_helper.h.

size_t reader_bigmem::m_offset

protected

Definition at line 792 of file filesystem_helper.h.

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

• foobar2000/SDK/filesystem_helper.h