FileReadStream Class Reference

File byte stream for input using fread(). More...

#include <filereadstream.h>

Public Types
typedef char	Ch
	Character type (byte).

Public Member Functions
	FileReadStream (std::FILE *fp, 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

Note

implements Stream concept

Definition at line 34 of file filereadstream.h.

Member Typedef Documentation

Ch

char FileReadStream::Ch

Definition at line 36 of file filereadstream.h.

Constructor & Destructor Documentation

FileReadStream()

FileReadStream::FileReadStream ( std::FILE * fp, char * buffer, size_t bufferSize )

inline

Parameters

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

Definition at line 44 of file filereadstream.h.

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

Member Function Documentation

Flush()

void FileReadStream::Flush ( )

inline

Definition at line 56 of file filereadstream.h.

{ RAPIDJSON_ASSERT(false); } 

Peek()

Ch FileReadStream::Peek ( ) const

inline

Definition at line 50 of file filereadstream.h.

{ return *current_; }

Peek4()

const Ch * FileReadStream::Peek4 ( ) const

inline

Definition at line 61 of file filereadstream.h.

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

Put()

void FileReadStream::Put ( Ch )

inline

Definition at line 55 of file filereadstream.h.

{ RAPIDJSON_ASSERT(false); }

PutBegin()

Ch * FileReadStream::PutBegin ( )

inline

Definition at line 57 of file filereadstream.h.

{ RAPIDJSON_ASSERT(false); return 0; }

PutEnd()

size_t FileReadStream::PutEnd ( Ch * )

inline

Definition at line 58 of file filereadstream.h.

{ RAPIDJSON_ASSERT(false); return 0; }

Take()

Ch FileReadStream::Take ( )

inline

Definition at line 51 of file filereadstream.h.

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

Tell()

size_t FileReadStream::Tell ( ) const

inline

Definition at line 52 of file filereadstream.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/filereadstream.h