BasicIStreamWrapper< StreamType > Class Template Reference

Wrapper of std::basic_istream into RapidJSON's Stream concept. More...

#include <istreamwrapper.h>

Public Types
typedef StreamType::char_type	Ch

Public Member Functions
	BasicIStreamWrapper (StreamType &stream)
	Constructor.
	BasicIStreamWrapper (StreamType &stream, char *buffer, size_t bufferSize)
	Constructor.
Ch	Peek () const
Ch	Take ()
size_t	Tell () const
void	Put (Ch)
void	Flush ()
Ch *	PutBegin ()
size_t	PutEnd (Ch *)
const Ch *	Peek4 () const

Detailed Description

template<typename StreamType>
class BasicIStreamWrapper< StreamType >

The classes can be wrapped including but not limited to:

• std::istringstream
• std::stringstream
• std::wistringstream
• std::wstringstream
• std::ifstream
• std::fstream
• std::wifstream
• std::wfstream

Template Parameters

StreamType

Class derived from std::basic_istream.

Definition at line 49 of file istreamwrapper.h.

Member Typedef Documentation

Ch

template<typename StreamType >

StreamType::char_type BasicIStreamWrapper< StreamType >::Ch

Definition at line 51 of file istreamwrapper.h.

Constructor & Destructor Documentation

BasicIStreamWrapper() [1/2]

template<typename StreamType >

BasicIStreamWrapper< StreamType >::BasicIStreamWrapper ( StreamType & stream )

inline

Parameters

stream

stream opened for read.

Definition at line 57 of file istreamwrapper.h.

                                            : stream_(stream), buffer_(peekBuffer_), bufferSize_(4), bufferLast_(0), current_(buffer_), readCount_(0), count_(0), eof_(false) { 
        Read();
    }

BasicIStreamWrapper() [2/2]

template<typename StreamType >

BasicIStreamWrapper< StreamType >::BasicIStreamWrapper ( StreamType & stream, char * buffer, size_t bufferSize )

inline

Parameters

stream	stream opened for read.
buffer	user-supplied buffer.
bufferSize	size of buffer in bytes. Must >=4 bytes.

Definition at line 67 of file istreamwrapper.h.

                                                                             : stream_(stream), buffer_(buffer), bufferSize_(bufferSize), bufferLast_(0), current_(buffer_), readCount_(0), count_(0), eof_(false) { 
        RAPIDJSON_ASSERT(bufferSize >= 4);
        Read();
    }

Member Function Documentation

Flush()

template<typename StreamType >

void BasicIStreamWrapper< StreamType >::Flush ( )

inline

Definition at line 78 of file istreamwrapper.h.

{ RAPIDJSON_ASSERT(false); } 

Peek()

template<typename StreamType >

Ch BasicIStreamWrapper< StreamType >::Peek ( ) const

inline

Definition at line 72 of file istreamwrapper.h.

{ return *current_; }

Peek4()

template<typename StreamType >

const Ch * BasicIStreamWrapper< StreamType >::Peek4 ( ) const

inline

Definition at line 83 of file istreamwrapper.h.

                            {
        return (current_ + 4 - !eof_ <= bufferLast_) ? current_ : 0;
    }

Put()

template<typename StreamType >

void BasicIStreamWrapper< StreamType >::Put ( Ch )

inline

Definition at line 77 of file istreamwrapper.h.

{ RAPIDJSON_ASSERT(false); }

PutBegin()

template<typename StreamType >

Ch * BasicIStreamWrapper< StreamType >::PutBegin ( )

inline

Definition at line 79 of file istreamwrapper.h.

{ RAPIDJSON_ASSERT(false); return 0; }

PutEnd()

template<typename StreamType >

size_t BasicIStreamWrapper< StreamType >::PutEnd ( Ch * )

inline

Definition at line 80 of file istreamwrapper.h.

{ RAPIDJSON_ASSERT(false); return 0; }

Take()

template<typename StreamType >

Ch BasicIStreamWrapper< StreamType >::Take ( )

inline

Definition at line 73 of file istreamwrapper.h.

{ Ch c = *current_; Read(); return c; }

Tell()

template<typename StreamType >

size_t BasicIStreamWrapper< StreamType >::Tell ( ) const

inline

Definition at line 74 of file istreamwrapper.h.

{ return count_ + static_cast<size_t>(current_ - buffer_); }

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

• libraries/fc/include/fc/crypto/webauthn_json/include/rapidjson/istreamwrapper.h