foobar2000_io Namespace Reference

Contains various I/O related structures and interfaces. More...

Classes
class	abort_callback
class	abort_callback_impl
	Implementation of abort_callback interface. More...
struct	t_filestats
	Stores file stats (size and timestamp). More...
class	stream_reader
class	stream_writer
class	file
class	file_dynamicinfo
	Special hack for shoutcast metadata nonsense handling. Documentme. More...
class	file_readonly_t
	Implementation helper - contains dummy implementations of methods that modify the file. More...
class	directory_callback
class	filesystem
class	directory_callback_impl
class	archive_callback
class	archive
	Interface for archive reader services. When implementing, derive from archive_impl rather than from deriving from archive directly. More...
class	archive_impl
	Root class for archive implementations. Derive from this instead of from archive directly. More...
class	archive_factory_t
class	format_filetimestamp
	Warning: this formats according to system timezone settings, created strings should be used for display only, never for storage. More...
Typedefs
typedef t_uint64	t_filesize
	Type used for file size related variables.
typedef t_int64	t_sfilesize
	Type used for file size related variables when signed value is needed.
typedef t_uint64	t_filetimestamp
	Type used for file timestamp related variables. 64-bit value representing the number of 100-nanosecond intervals since January 1, 1601; 0 for invalid/unknown time.
typedef file_readonly_t< file >	file_readonly
Functions
	PFC_DECLARE_EXCEPTION (exception_aborted, pfc::exception,"User abort")
	PFC_DECLARE_EXCEPTION (exception_io, pfc::exception,"I/O error")
	Generic I/O error. Root class for I/O failure exception. See relevant default message for description of each derived exception class.
	PFC_DECLARE_EXCEPTION (exception_io_not_found, exception_io,"Object not found")
	Object not found.
	PFC_DECLARE_EXCEPTION (exception_io_denied, exception_io,"Access denied")
	Access denied.
	PFC_DECLARE_EXCEPTION (exception_io_data, exception_io,"Unsupported format or corrupted file")
	Unsupported format or corrupted file (unexpected data encountered).
	PFC_DECLARE_EXCEPTION (exception_io_data_truncation, exception_io_data,"Unsupported format or corrupted file")
	Unsupported format or corrupted file (truncation encountered).
	PFC_DECLARE_EXCEPTION (exception_io_unsupported_format, exception_io_data,"Unsupported file format")
	Unsupported format (a subclass of "unsupported format or corrupted file" exception).
	PFC_DECLARE_EXCEPTION (exception_io_object_is_remote, exception_io,"This operation is not supported on remote objects")
	Object is remote, while specific operation is supported only for local objects.
	PFC_DECLARE_EXCEPTION (exception_io_sharing_violation, exception_io,"Sharing violation")
	Sharing violation.
	PFC_DECLARE_EXCEPTION (exception_io_device_full, exception_io,"Device full")
	Device full.
	PFC_DECLARE_EXCEPTION (exception_io_seek_out_of_range, exception_io,"Seek offset out of range")
	Attempt to seek outside valid range.
	PFC_DECLARE_EXCEPTION (exception_io_object_not_seekable, exception_io,"Object is not seekable")
	This operation requires a seekable object.
	PFC_DECLARE_EXCEPTION (exception_io_no_length, exception_io,"Length of object is unknown")
	This operation requires an object with known length.
	PFC_DECLARE_EXCEPTION (exception_io_no_handler_for_path, exception_io,"Invalid path")
	Invalid path.
	PFC_DECLARE_EXCEPTION (exception_io_already_exists, exception_io,"Object already exists")
	Object already exists.
	PFC_DECLARE_EXCEPTION (exception_io_no_data, exception_io,"The process receiving or sending data has terminated")
	Pipe error.
	PFC_DECLARE_EXCEPTION (exception_io_network_not_reachable, exception_io,"Network not reachable")
	Network not reachable.
	PFC_DECLARE_EXCEPTION (exception_io_write_protected, exception_io_denied,"The media is write protected")
	Media is write protected.
	PFC_DECLARE_EXCEPTION (exception_io_file_corrupted, exception_io,"The file is corrupted")
	File is corrupted. This indicates filesystem call failure, not actual invalid data being read by the app.
	PFC_DECLARE_EXCEPTION (exception_io_disk_change, exception_io,"Disc not available")
	The disc required for requested operation is not available.
t_filetimestamp	filetimestamp_from_system_timer ()
void	generate_temp_location_for_file (pfc::string_base &p_out, const char *p_origpath, const char *p_extension, const char *p_magic)
Variables
const t_filetimestamp	filetimestamp_invalid = 0
	Invalid/unknown file timestamp constant. Also see: t_filetimestamp.
const t_filesize	filesize_invalid = (t_filesize)(~0)
	Invalid/unknown file size constant. Also see: t_filesize.
static const t_filestats	filestats_invalid = {filesize_invalid,filetimestamp_invalid}
	Invalid/unknown file stats constant. See: t_filestats.

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Detailed Description

Contains various I/O related structures and interfaces.

---

Typedef Documentation

typedef file_readonly_t<file> foobar2000_io::file_readonly

typedef t_uint64 foobar2000_io::t_filesize

Type used for file size related variables.

typedef t_uint64 foobar2000_io::t_filetimestamp

Type used for file timestamp related variables. 64-bit value representing the number of 100-nanosecond intervals since January 1, 1601; 0 for invalid/unknown time.

typedef t_int64 foobar2000_io::t_sfilesize

Type used for file size related variables when signed value is needed.

---

Function Documentation

t_filetimestamp foobar2000_io::filetimestamp_from_system_timer

(

)

void foobar2000_io::generate_temp_location_for_file	(	pfc::string_base &	p_out,
		const char *	p_origpath,
		const char *	p_extension,
		const char *	p_magic
	)

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_disk_change	,
		exception_io	,
		"Disc not available"
	)

The disc required for requested operation is not available.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_file_corrupted	,
		exception_io	,
		"The file is corrupted"
	)

File is corrupted. This indicates filesystem call failure, not actual invalid data being read by the app.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_write_protected	,
		exception_io_denied	,
		"The media is write protected"
	)

Media is write protected.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_network_not_reachable	,
		exception_io	,
		"Network not reachable"
	)

Network not reachable.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_no_data	,
		exception_io	,
		"The process receiving or sending data has terminated"
	)

Pipe error.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_already_exists	,
		exception_io	,
		"Object already exists"
	)

Object already exists.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_no_handler_for_path	,
		exception_io	,
		"Invalid path"
	)

Invalid path.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_no_length	,
		exception_io	,
		"Length of object is unknown"
	)

This operation requires an object with known length.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_object_not_seekable	,
		exception_io	,
		"Object is not seekable"
	)

This operation requires a seekable object.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_seek_out_of_range	,
		exception_io	,
		"Seek offset out of range"
	)

Attempt to seek outside valid range.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_device_full	,
		exception_io	,
		"Device full"
	)

Device full.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_sharing_violation	,
		exception_io	,
		"Sharing violation"
	)

Sharing violation.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_object_is_remote	,
		exception_io	,
		"This operation is not supported on remote objects"
	)

Object is remote, while specific operation is supported only for local objects.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_unsupported_format	,
		exception_io_data	,
		"Unsupported file format"
	)

Unsupported format (a subclass of "unsupported format or corrupted file" exception).

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_data_truncation	,
		exception_io_data	,
		"Unsupported format or corrupted file"
	)

Unsupported format or corrupted file (truncation encountered).

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_data	,
		exception_io	,
		"Unsupported format or corrupted file"
	)

Unsupported format or corrupted file (unexpected data encountered).

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_denied	,
		exception_io	,
		"Access denied"
	)

Access denied.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io_not_found	,
		exception_io	,
		"Object not found"
	)

Object not found.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_io	,
		pfc::exception	,
		"I/O error"
	)

Generic I/O error. Root class for I/O failure exception. See relevant default message for description of each derived exception class.

foobar2000_io::PFC_DECLARE_EXCEPTION	(	exception_aborted	,
		pfc::exception	,
		"User abort"
	)

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Variable Documentation

const t_filesize foobar2000_io::filesize_invalid = (t_filesize)(~0)

Invalid/unknown file size constant. Also see: t_filesize.

const t_filestats foobar2000_io::filestats_invalid = {filesize_invalid,filetimestamp_invalid} [static]

Invalid/unknown file stats constant. See: t_filestats.

const t_filetimestamp foobar2000_io::filetimestamp_invalid = 0

Invalid/unknown file timestamp constant. Also see: t_filetimestamp.