eagine::istream_data_source Class Reference

Deserialization data source backed by an input stream. More...

#include <eagine/serialize/istream_source.hpp>

Public Member Functions
	istream_data_source (std::istream &in) noexcept
	Constructor setting the source stream.
auto	top (span_size_t req_size) -> memory::const_block final
	Returns a block covering the specified amount of data of the top. More...
void	pop (span_size_t del_size) final
	Returns the specified amount of data of the top of the source. More...
Public Member Functions inherited from eagine::deserializer_data_source
template<typename Function >
auto	scan_until (Function predicate, const valid_if_positive< span_size_t > &max, const valid_if_positive< span_size_t > &step={256}) -> valid_if_nonnegative< span_size_t >
	Returns the position of the first byte where predicate is true. More...
auto	scan_for (byte what, const valid_if_positive< span_size_t > &max, const valid_if_positive< span_size_t > &step={256}) -> valid_if_nonnegative< span_size_t >
	Returns the position of the first occurrence of the specified byte. More...
void	fetch_all (memory::buffer &dst, valid_if_positive< span_size_t > step={256})
	Fetches all the remaining data into a buffer.
Public Member Functions inherited from eagine::interface< deserializer_data_source >
constexpr	interface (const interface &)=delete
	Not copyable.
auto	operator= (interface &&)=delete
	Not move assignable.
auto	operator= (const interface &)=delete
	Not copy assignable.

Additional Inherited Members
Protected Member Functions inherited from eagine::interface< deserializer_data_source >
constexpr	interface () noexcept=default
	Default constructible by derived.
constexpr	interface (interface &&) noexcept=default
	Move constructible by derived.

Detailed Description

Deserialization data source backed by an input stream.

See also

ostream_data_sink

Member Function Documentation

pop()

void eagine::istream_data_source::pop ( span_size_t  size )

inlinefinalvirtual

Returns the specified amount of data of the top of the source.

See also

top

Implements eagine::deserializer_data_source.

top()

auto eagine::istream_data_source::top ( span_size_t  size ) -> memory::const_block

inlinefinalvirtual

Returns a block covering the specified amount of data of the top.

See also

pop

scan_until

scan_for

Implements eagine::deserializer_data_source.

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

• eagine/serialize/istream_source.hpp