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JLANG::JAccessibleInputStream Class Reference

Accessible input stream. More...

#include <JAccessibleStream.hh>

Inheritance diagram for JLANG::JAccessibleInputStream:
JLANG::JAccessible JLANG::JThrow< JAccessible > JLANG::JAccessibleBinaryInputStream JLANG::JASCIIFileReader< T > JIO::JBinaryFileReader< T, true > JSUPPORT::JDAQFileReader< T, true >

Public Member Functions

 JAccessibleInputStream ()
 Default constructor. More...
 
 JAccessibleInputStream (const char *file_name)
 Constructor. More...
 
virtual bool is_open () const
 Check is file is open. More...
 
virtual void open (const char *file_name)
 Open file. More...
 
virtual void close ()
 Close file. More...
 

Static Public Member Functions

static void Throw (const bool option)
 Enable/disable throw option. More...
 
static int Throw (const JException &error, const int value=-1)
 Throw exception or return error. More...
 

Static Protected Attributes

static bool do_throw
 throw option More...
 

Detailed Description

Accessible input stream.

This class is a simple wrapper around the std::ifstream class. It implements the JAccessible interface.

Definition at line 25 of file JAccessibleStream.hh.

Constructor & Destructor Documentation

JLANG::JAccessibleInputStream::JAccessibleInputStream ( )
inline

Default constructor.

Definition at line 33 of file JAccessibleStream.hh.

34  {}
JLANG::JAccessibleInputStream::JAccessibleInputStream ( const char *  file_name)
inline

Constructor.

Parameters
file_namefile name

Definition at line 42 of file JAccessibleStream.hh.

43  {
44  open(file_name);
45  }
virtual void open(const char *file_name)
Open file.

Member Function Documentation

virtual bool JLANG::JAccessibleInputStream::is_open ( ) const
inlinevirtual

Check is file is open.

Returns
true if open; else false

Implements JLANG::JAccessible.

Definition at line 53 of file JAccessibleStream.hh.

54  {
55  return std::ifstream::is_open();
56  }
virtual void JLANG::JAccessibleInputStream::open ( const char *  file_name)
inlinevirtual

Open file.

Parameters
file_namefile name

Implements JLANG::JAccessible.

Reimplemented in JLANG::JAccessibleBinaryInputStream.

Definition at line 64 of file JAccessibleStream.hh.

65  {
66  std::ifstream::open(file_name);
67 
68  if (!this->is_open()) {
69  Throw(JFileOpenException(std::string("Error opening file ") + file_name));
70  }
71  }
Exception for opening of file.
Definition: JException.hh:358
T * open(const std::string &file_name)
Open file.
Definition: JeepToolkit.hh:346
then awk string
virtual bool is_open() const
Check is file is open.
static void Throw(const bool option)
Enable/disable throw option.
Definition: JThrow.hh:37
virtual void JLANG::JAccessibleInputStream::close ( )
inlinevirtual

Close file.

Implements JLANG::JAccessible.

Definition at line 77 of file JAccessibleStream.hh.

78  {
80  }
void close(std::istream *pf)
Close file.
Definition: JeepToolkit.hh:386
static void JLANG::JThrow< JAccessible >::Throw ( const bool  option)
inlinestaticinherited

Enable/disable throw option.

Parameters
optiontrue enable; false disable

Definition at line 37 of file JThrow.hh.

38  {
39  do_throw = option;
40  }
static bool do_throw
throw option
Definition: JThrow.hh:28
static int JLANG::JThrow< JAccessible >::Throw ( const JException error,
const int  value = -1 
)
inlinestaticinherited

Throw exception or return error.

Parameters
errorexception
valuereturn code
Returns
return code

Definition at line 50 of file JThrow.hh.

51  {
52  using namespace std;
53 
54  if (do_throw) {
55  throw error;
56  }
57 
58  cerr << error.what() << endl;
59 
60  return value;
61  }
virtual const char * what() const override
Get error message.
Definition: JException.hh:64
static bool do_throw
throw option
Definition: JThrow.hh:28

Member Data Documentation

bool JLANG::JThrow< JAccessible >::do_throw
staticprotectedinherited

throw option

Set default throw option to true.

Definition at line 28 of file JThrow.hh.


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