xtd::io::stream_reader Class Reference

Inheritance diagram for xtd::io::stream_reader:

Definition

Implements a xtd::io::text_reader that reads characters from a byte stream.

class core_export_ stream_reader : public xtd::io::text_reader

Inheritance

xtd::io::text_reader → xtd::io::stream_reader

Header

#include <xtd/io/stream_reader>

Namespace

xtd::io

Library

xtd.core

Examples

file_info_move_to.cpp, file_info_open.cpp, file_info_open_read.cpp, file_info_open_write.cpp, generic_ienumerable.cpp, network_stream.cpp, process_with_standard_output_redirection.cpp, tcp_client_ip_v4.cpp, tcp_client_ip_v6.cpp, and test_forms.cpp.

Public Constructors
	stream_reader (const xtd::string &path)
	Initializes a new instance of the stream_reader class for the specified file name.
	stream_reader (std::istream &stream)
	Initializes a new instance of the stream_reader class for the specified stream.

Public Properties
std::optional< std::reference_wrapper< std::istream > >	base_stream () const
	Returns the underlying stream.
bool	end_of_stream () const
	Gets a value that indicates whether the current stream position is at the end of the stream.

Public Methods
void	close () override
	Closes the stream_reader object and the underlying stream, and releases any system resources associated with the reader.
int32	peek () const override
	Reads the next character without changing the state of the reader or the character source. Returns the next available character without actually reading it from the input stream.
int32	read () override
	Reads the next character from the input stream and advances the character position by one character.

Additional Inherited Members
Public Member Functions inherited from xtd::io::text_reader
virtual size_t	read (std::vector< char > &buffer, size_t index, size_t count)
	Reads a specified maximum number of characters from the current text reader and writes the data to a buffer, beginning at the specified index.
virtual size_t	read_block (std::vector< char > &buffer, size_t index, size_t count)
	Reads a specified maximum number of characters from the current text reader and writes the data to a buffer, beginning at the specified index.
virtual xtd::string	read_line ()
	Reads a line of characters from the current stream and returns the data as a string.
virtual xtd::string	read_to_end ()
	Reads all characters from the current position to the end of the text_reader and returns them as one string.
Public Member Functions inherited from xtd::object
	object ()=default
	Create a new instance of the ultimate base class object.
virtual bool	equals (const object &obj) const noexcept
	Determines whether the specified object is equal to the current object.
virtual size_t	get_hash_code () const noexcept
	Serves as a hash function for a particular type.
virtual type_object	get_type () const noexcept
	Gets the type of the current instance.
template<typename object_t >
xtd::uptr< object_t >	memberwise_clone () const
	Creates a shallow copy of the current object.
virtual xtd::string	to_string () const noexcept
	Returns a xtd::string that represents the current object.
Static Public Member Functions inherited from xtd::io::text_reader
static null_text_reader &	null () noexcept
	Provides a text_reader with no data to read from.
static synchronized_text_reader	synchronised (text_reader &reader) noexcept
	Creates a thread-safe (synchronized) wrapper around the specified text_reader object.
Static Public Member Functions inherited from xtd::object
template<typename object_a_t , typename object_b_t >
static bool	equals (const object_a_t &object_a, const object_b_t &object_b) noexcept
	Determines whether the specified object instances are considered equal.
template<typename object_a_t , typename object_b_t >
static bool	reference_equals (const object_a_t &object_a, const object_b_t &object_b) noexcept
	Determines whether the specified object instances are the same instance.
Protected Member Functions inherited from xtd::io::text_reader
	text_reader ()=default
	Initializes a new instance of the xtd::io::text_reader class.

Constructor & Destructor Documentation

stream_reader() [1/2]

xtd::io::stream_reader::stream_reader ( const xtd::string &  path )

explicit

Initializes a new instance of the stream_reader class for the specified file name.

Parameters

path	The complete file path to be read.

Exceptions

xtd::argument_exception

path is a zero-length string, contains only white space, or contains one or more invalid characters as defined by xtd::io::path::invalid_path_chars.

stream_reader() [2/2]

xtd::io::stream_reader::stream_reader ( std::istream &  stream )

explicit

Initializes a new instance of the stream_reader class for the specified stream.

Parameters

stream

The stream to be read.

Member Function Documentation

base_stream()

std::optional< std::reference_wrapper< std::istream > > xtd::io::stream_reader::base_stream

(

)

const

Returns the underlying stream.

Returns

The underlying stream.

Examples

generic_ienumerable.cpp.

end_of_stream()

bool xtd::io::stream_reader::end_of_stream

(

)

const

Gets a value that indicates whether the current stream position is at the end of the stream.

Returns

true if the current stream position is at the end of the stream; otherwise false.

Examples

file_info_move_to.cpp, generic_ienumerable.cpp, and test_forms.cpp.

close()

void xtd::io::stream_reader::close ( )

overridevirtual

Closes the stream_reader object and the underlying stream, and releases any system resources associated with the reader.

Reimplemented from xtd::io::text_reader.

Examples

generic_ienumerable.cpp.

peek()

int32 xtd::io::stream_reader::peek ( ) const

overridevirtual

Reads the next character without changing the state of the reader or the character source. Returns the next available character without actually reading it from the input stream.

Returns

An integer representing the next character to be read, or EOF if no more characters are available or the stream does not support seeking.

Reimplemented from xtd::io::text_reader.

read()

int32 xtd::io::stream_reader::read ( )

overridevirtual

Reads the next character from the input stream and advances the character position by one character.

Returns

The next character from the input stream, or EOF if no more characters are available.

Reimplemented from xtd::io::text_reader.

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

• xtd.core/include/xtd/io/stream_reader.h