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Recoder Class Reference
[Compilers]

#include <recoder.hpp>

Inheritance diagram for Recoder:

[legend]

Public Member Functions
	Recoder (const std::string &_request) throw (Error)
	Constructor.
virtual	~Recoder (void)
	Destructor.
virtual void	translate (std::istream &inputStream, std::ostream &outputStream) const throw (Error)
Static Public Attributes
static RECODE_OUTER	outer = NULL
Protected Attributes
RECODE_REQUEST	request

---

Detailed Description

Character recoding. Compiler using the recode library to perform a character recoding. Before instantiating this class, the global variable for the recode library has to be initialised:

    Recoder::outer = recode_new_outer( false );
    ERRORMACRO( Recoder::outer != NULL, Error, ,
                "Failure initialising recoder library." );
    

When terminating, the destructing function has to be called:

    if ( Recoder::outer != NULL ) {
      recoder_delete_outer( Recoder::outer );
      Recoder::outer = NULL;
    };
    

Date:

Thu Jan 10 2006

Author:

Jan Wedekind (wedesoft@users.sourceforge.net)

Definition at line 51 of file recoder.hpp.

---

Constructor & Destructor Documentation

Recoder::Recoder

(

const std::string &

_request

)

throw (Error)

Constructor.

Definition at line 26 of file recoder.cpp.

References ERRORMACRO.

                                                         :
  request(NULL)
{
  assert( outer != NULL );
  request = recode_new_request( outer );
  ERRORMACRO( request, Error, , "Error allocating recoding request." );
#ifndef NDEBUG
  request->verbose_flag = true;
#endif
  request->ascii_graphics = true;
  if ( !recode_scan_request( request, _request.c_str() ) ) {
    recode_delete_request( request );
    ERRORMACRO( false, Error, ,
                "Error requesting " << _request << " recoder." );
  };
}

Recoder::~Recoder

(

void

)

[virtual]

Destructor.

Definition at line 43 of file recoder.cpp.

References request.

{
  recode_delete_request (request);
}

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Member Function Documentation

void Recoder::translate	(	std::istream &	inputStream,
		std::ostream &	outputStream
	)			const throw (Error) [virtual]

Implements Compiler.

Definition at line 48 of file recoder.cpp.

References ERRORMACRO, and request.

{
  streampos pos = inputStream.tellg();
  inputStream.seekg( 0, ios::end );
  int filesize = inputStream.tellg() - pos;
  inputStream.seekg( pos, ios::beg );
  
  shared_array< char > inputData( new char[filesize] );
  inputStream.read( inputData.get(), filesize );
  
  char *outputData = NULL;
  size_t
    outputLength = 0,
    outputAllocated = 0;

  bool retVal =
    recode_buffer_to_buffer( request, inputData.get(), filesize,
                             &outputData, &outputLength, &outputAllocated );

  inputData.reset();

  ERRORMACRO( retVal, Error, , "Error while recoding stream." );
  outputStream.write( outputData, outputLength );

  if ( outputData != NULL )
    free( outputData );
}

---

Field Documentation

RECODE_OUTER Recoder::outer = NULL [static]

Definition at line 63 of file recoder.hpp.

Referenced by gui().

RECODE_REQUEST Recoder::request [protected]

Definition at line 66 of file recoder.hpp.

Referenced by translate(), and ~Recoder().

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

• recoder.hpp
• recoder.cpp

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