stream_reader_memblock_ref

#include <filesystem_helper.h>

Inheritance diagram for stream_reader_memblock_ref:

Public Member Functions
template<typename t_array >
	stream_reader_memblock_ref (const t_array &p_array)
	stream_reader_memblock_ref (const void *p_data, t_size p_data_size)
	stream_reader_memblock_ref ()
const void *	get_ptr_ () const
t_size	get_remaining () const
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	reset ()
void	seek_ (t_size offset)
template<typename t_array >
void	set_data (const t_array &data)
void	set_data (const void *data, t_size dataSize)
t_filesize	skip (t_filesize p_bytes, abort_callback &p_abort)
void	skip_object (t_filesize p_bytes, abort_callback &p_abort)

Private Attributes
const unsigned char *	m_data
t_size	m_data_size
t_size	m_pointer

Detailed Description

Definition at line 194 of file filesystem_helper.h.

Constructor & Destructor Documentation

template<typename t_array >

stream_reader_memblock_ref::stream_reader_memblock_ref ( const t_array &  p_array )

inline

Definition at line 197 of file filesystem_helper.h.

                                                                                   : m_data(p_array.get_ptr()), m_data_size(p_array.get_size()), m_pointer(0) {
        pfc::assert_byte_type<typename t_array::t_item>();
    }

stream_reader_memblock_ref::stream_reader_memblock_ref ( const void *  p_data, t_size  p_data_size  )

inline

Definition at line 200 of file filesystem_helper.h.

: m_data((const unsigned char*)p_data), m_data_size(p_data_size), m_pointer(0) {}

stream_reader_memblock_ref::stream_reader_memblock_ref ( )

inline

Definition at line 201 of file filesystem_helper.h.

: m_data(NULL), m_data_size(0), m_pointer(0) {}

Member Function Documentation

const void* stream_reader_memblock_ref::get_ptr_ ( ) const

inline

Definition at line 244 of file filesystem_helper.h.

{return m_data + m_pointer;}

t_size stream_reader_memblock_ref::get_remaining ( ) const

inline

Definition at line 245 of file filesystem_helper.h.

{return m_data_size - m_pointer;}

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

inline

Definition at line 214 of file filesystem_helper.h.

                                                                         {
        t_size delta = pfc::min_t(p_bytes, get_remaining());
        memcpy(p_buffer,m_data+m_pointer,delta);
        m_pointer += delta;
        return delta;
    }

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

inline

Definition at line 220 of file filesystem_helper.h.

                                                                              {
        if (p_bytes > get_remaining()) throw exception_io_data_truncation();
        memcpy(p_buffer,m_data+m_pointer,p_bytes);
        m_pointer += p_bytes;
    }

void stream_reader_memblock_ref::reset ( )

inline

Definition at line 246 of file filesystem_helper.h.

{m_pointer = 0;}

void stream_reader_memblock_ref::seek_ ( t_size  offset )

inline

Definition at line 240 of file filesystem_helper.h.

                              {
        PFC_ASSERT( offset <= m_data_size );
        m_pointer = offset;
    }

template<typename t_array >

void stream_reader_memblock_ref::set_data ( const t_array &  data )

inline

Definition at line 203 of file filesystem_helper.h.

                                                                   {
        pfc::assert_byte_type<typename t_array::t_item>();
        set_data(data.get_ptr(), data.get_size());
    }

void stream_reader_memblock_ref::set_data ( const void *  data, t_size  dataSize  )

inline

Definition at line 208 of file filesystem_helper.h.

                                                      {
        m_pointer = 0;
        m_data = reinterpret_cast<const unsigned char*>(data);
        m_data_size = dataSize;
    }

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

inline

Definition at line 225 of file filesystem_helper.h.

                                                                 {
        t_size remaining = get_remaining();
        if (p_bytes >= remaining) {
            m_pointer = m_data_size; return remaining;
        } else {
            m_pointer += (t_size)p_bytes; return p_bytes;
        }
    }

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

inline

Definition at line 233 of file filesystem_helper.h.

                                                                  {
        if (p_bytes > get_remaining()) {
            throw exception_io_data_truncation();
        } else {
            m_pointer += (t_size)p_bytes;
        }
    }

Field Documentation

const unsigned char* stream_reader_memblock_ref::m_data

private

Definition at line 248 of file filesystem_helper.h.

t_size stream_reader_memblock_ref::m_data_size

private

Definition at line 249 of file filesystem_helper.h.

t_size stream_reader_memblock_ref::m_pointer

private

Definition at line 249 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