FileWriteStream Class Reference

Wrapper of C file stream for input using fread(). More...

#include <filewritestream.h>

Public Types
typedef char	Ch
	Character type. Only support char. More...

Public Member Functions
	FileWriteStream (std::FILE *fp, char *buffer, size_t bufferSize)
void	Put (char c)
void	PutN (char c, size_t n)
void	Flush ()
char	Peek () const
char	Take ()
size_t	Tell () const
char *	PutBegin ()
size_t	PutEnd (char *)

Private Member Functions
	FileWriteStream (const FileWriteStream &)
FileWriteStream &	operator= (const FileWriteStream &)

Private Attributes
std::FILE *	fp_
char *	buffer_
char *	bufferEnd_
char *	current_

Detailed Description

Wrapper of C file stream for input using fread().

Note

implements Stream concept

Member Typedef Documentation

typedef char FileWriteStream::Ch

Character type. Only support char.

Constructor & Destructor Documentation

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

inline

 : fp_(fp), buffer_(buffer), bufferEnd_(buffer + bufferSize), current_(buffer_) { 
 RAPIDJSON_ASSERT(fp_ != 0);
 }

FileWriteStream::FileWriteStream ( const FileWriteStream &  )

private

Member Function Documentation

void FileWriteStream::Flush ( )

inline

 {
 if (current_ != buffer_) {
 fwrite(buffer_, 1, static_cast<size_t>(current_ - buffer_), fp_);
 current_ = buffer_;
 }
 }

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FileWriteStream& FileWriteStream::operator= ( const FileWriteStream &  )

private

char FileWriteStream::Peek ( ) const

inline

{ RAPIDJSON_ASSERT(false); return 0; }

void FileWriteStream::Put ( char  c )

inline

 { 
 if (current_ >= bufferEnd_)
 Flush();

 *current_++ = c;
 }

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char* FileWriteStream::PutBegin ( )

inline

{ RAPIDJSON_ASSERT(false); return 0; }

size_t FileWriteStream::PutEnd ( char *  )

inline

{ RAPIDJSON_ASSERT(false); return 0; }

void FileWriteStream::PutN ( char  c, size_t  n  )

inline

 {
 size_t avail = static_cast<size_t>(bufferEnd_ - current_);
 while (n > avail) {
 std::memset(current_, c, avail);
 current_ += avail;
 Flush();
 n -= avail;
 avail = static_cast<size_t>(bufferEnd_ - current_);
 }

 if (n > 0) {
 std::memset(current_, c, n);
 current_ += n;
 }
 }

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char FileWriteStream::Take ( )

inline

{ RAPIDJSON_ASSERT(false); return 0; }

size_t FileWriteStream::Tell ( ) const

inline

{ RAPIDJSON_ASSERT(false); return 0; }

Member Data Documentation

char* FileWriteStream::buffer_

private

char* FileWriteStream::bufferEnd_

private

char* FileWriteStream::current_

private

std::FILE* FileWriteStream::fp_

private

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

• dep/rapidjson/rapidjson/filewritestream.h