JLANG::JStringStream Class Reference

Wrapper class around STL stringstream class to facilitate optional loading of data from file. More...

#include <JStringStream.hh>

Inheritance diagram for JLANG::JStringStream:

Public Member Functions
	JStringStream (std::istream &in)
	Constructor. More...
void	load ()
	Load data from file with name corresponding to current contents. More...

Private Attributes
std::ios &	__from
std::ios &	__to

Detailed Description

Wrapper class around STL stringstream class to facilitate optional loading of data from file.

Definition at line 22 of file JStringStream.hh.

Constructor & Destructor Documentation

JStringStream()

JLANG::JStringStream::JStringStream ( std::istream &  in )

inline

Constructor.

This constructor loads all data from given input stream.

Parameters

in	input stream

Definition at line 34 of file JStringStream.hh.

                                  :
      std::stringstream(),
      JStreamState(in, static_cast<std::istream&>(*this))
    {
      using namespace std;
 
      istream::sentry sentry(in);   // skips white spaces
 
      if (sentry) {
        (*this) << in.rdbuf();
      }
    }

Member Function Documentation

load()

void JLANG::JStringStream::load ( )

inline

Load data from file with name corresponding to current contents.

Note that if the file exists but is empty, the state of the stream is set to fail by C++ standard.

Definition at line 54 of file JStringStream.hh.

    {
      using namespace std;
      
      ifstream in(this->str().c_str());
 
      if (in) {
 
        this->str("");                     // reset
 
        (*this) << in.rdbuf();             // copy
 
        in.close();
      }
    }

Member Data Documentation

__from

std::ios& JLANG::JStreamState::__from

privateinherited

Definition at line 67 of file JStreamState.hh.

__to

std::ios& JLANG::JStreamState::__to

privateinherited

Definition at line 68 of file JStreamState.hh.

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

• JStringStream.hh