stream_reader_chunk

#include <filesystem_helper.h>

Inheritance diagram for stream_reader_chunk:

Public Member Functions
	stream_reader_chunk (stream_reader *p_reader)
void	flush (abort_callback &p_abort)
t_size	read (void *p_buffer, t_size p_bytes, abort_callback &p_abort)

Static Public Member Functions
static void	g_skip (stream_reader *p_stream, abort_callback &p_abort)

Private Attributes
unsigned char	m_buffer [255]
t_size	m_buffer_size
t_size	m_buffer_state
bool	m_eof
stream_reader *	m_reader

Detailed Description

Definition at line 359 of file filesystem_helper.h.

Constructor & Destructor Documentation

stream_reader_chunk::stream_reader_chunk ( stream_reader *  p_reader )

inline

Definition at line 362 of file filesystem_helper.h.

: m_reader(p_reader), m_buffer_state(0), m_buffer_size(0), m_eof(false) {}

Member Function Documentation

void stream_reader_chunk::flush

(

abort_callback &

p_abort

)

Definition at line 64 of file filesystem_helper.cpp.

                                                        {
    while(!m_eof) {
        p_abort.check_e();
        t_uint8 temp;
        m_reader->read_lendian_t(temp,p_abort);
        m_buffer_size = temp;
        if (temp != sizeof(m_buffer)) m_eof = true;
        m_buffer_state = 0;
        if (m_buffer_size>0) {
            m_reader->skip_object(m_buffer_size,p_abort);
        }
    }
}

void stream_reader_chunk::g_skip ( stream_reader *  p_stream, abort_callback &  p_abort  )

static

Definition at line 85 of file filesystem_helper.cpp.

                                                                                  {
    stream_reader_chunk(p_stream).flush(p_abort);
}

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

Definition at line 35 of file filesystem_helper.cpp.

{
    t_size todo = p_bytes, done = 0;
    while(todo > 0) {
        if (m_buffer_size == m_buffer_state) {
            if (m_eof) break;
            t_uint8 temp;
            m_reader->read_lendian_t(temp,p_abort);
            m_buffer_size = temp;
            if (temp != sizeof(m_buffer)) m_eof = true;
            m_buffer_state = 0;
            if (m_buffer_size>0) {
                m_reader->read_object(m_buffer,m_buffer_size,p_abort);
            }
        }


        t_size delta = m_buffer_size - m_buffer_state;
        if (delta > todo) delta = todo;
        if (delta > 0) {
            memcpy((unsigned char*)p_buffer + done,m_buffer + m_buffer_state,delta);
            todo -= delta;
            done += delta;
            m_buffer_state += delta;
        }
    }
    return done;
}

Field Documentation

unsigned char stream_reader_chunk::m_buffer[255]

private

Definition at line 374 of file filesystem_helper.h.

t_size stream_reader_chunk::m_buffer_size

private

Definition at line 372 of file filesystem_helper.h.

t_size stream_reader_chunk::m_buffer_state

private

Definition at line 372 of file filesystem_helper.h.

bool stream_reader_chunk::m_eof

private

Definition at line 373 of file filesystem_helper.h.

stream_reader* stream_reader_chunk::m_reader

private

Definition at line 371 of file filesystem_helper.h.

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

• foobar2000/SDK/filesystem_helper.h
• foobar2000/SDK/filesystem_helper.cpp