JSUPPORT::JMeta Struct Reference

Auxiliary class for ROOT I/O of application specific meta data. More...

#include <JMeta.hh>

Inheritance diagram for JSUPPORT::JMeta:

Public Member Functions
	JMeta ()
	Default constructor. More...
	JMeta (const int argc, const char *const argv[])
	Constructor. More...
	operator JComment () const
	Type conversion operator. More...
std::string	toString () const
	Convert meta data to string. More...

Static Public Member Functions
static void	copy (const char *const file_name, TFile &out)
	Copy meta data. More...
static const JEquationParameters &	getEquationParameters ()
	Get equation parameters. More...
static JMeta	valueOf (const std::string &buffer)
	Extract meta data. More...

Friends
std::ostream &	operator<< (std::ostream &out, const JMeta &meta)
	Write meta data to output. More...

Detailed Description

Auxiliary class for ROOT I/O of application specific meta data.

Definition at line 71 of file JMeta.hh.

Constructor & Destructor Documentation

JSUPPORT::JMeta::JMeta ( )

inline

Default constructor.

Definition at line 77 of file JMeta.hh.

    {}

JSUPPORT::JMeta::JMeta ( const int  argc, const char *const  argv[]  )

inline

Constructor.

Parameters

argc	number of command line arguments
argv	array of command line arguments

Definition at line 87 of file JMeta.hh.

    {
      using namespace std;
      using namespace JPP;
      
      if (argc > 0) {   

        (*this)[application_t] = getFilename(argv[0]);
        (*this)[GITrelease_t]  = getGITVersion();
        (*this)[ROOTrelease_t] = ROOT_RELEASE;
        (*this)[namespace_t]   = getNamespace();

        try {
          
          JProcess proc(MAKE_STRING("uname -a;" << 
                                    "which "    << argv[0]));

          istream in(proc.getInputStreamBuffer());

          getline(in, (*this)[system_t]);
          getline(in, (*this)[command_t]);

          for (int i = 1; i != argc; ++i) {
            if (get_number_of_tokens(argv[i]) == 1) 
              (*this)[command_t] += MAKE_STRING(' ' << argv[i]);
            else
              (*this)[command_t] += MAKE_STRING(' ' << "\\\"" << argv[i] << "\\\"");
          }
        }
        catch(const JException& error) {
          (*this)[system_t]  = error.what();
        }
      }
    }

Member Function Documentation

JSUPPORT::JMeta::operator JComment ( ) const

inline

Type conversion operator.

Returns

comment

Definition at line 128 of file JMeta.hh.

    {
      JComment comment;

      for (const_iterator i = this->begin(); i != this->end(); ++i) {
        comment.add(i->first + ' ' + i->second);
      }

      return comment;
    }

void JSUPPORT::JMeta::copy ( const char *const  file_name, TFile &  out  )

static

Copy meta data.

Parameters

file_name	name of input file
out	output file

Definition at line 400 of file JMeta.hh.

  {
    using namespace JPP;
    
    JRootFileReader<JMeta> in(file_name);
    
    while (in.hasNext()) {
      
      const JMeta* p = in.next();
      
      putObject(&out, *p);
    }
  }

static const JEquationParameters& JSUPPORT::JMeta::getEquationParameters ( )

inlinestatic

Get equation parameters.

Returns

equation parameters

Definition at line 154 of file JMeta.hh.

    {
      static const JEquationParameters parameters("=", "\n", "", "");

      return parameters;
    }

static JMeta JSUPPORT::JMeta::valueOf ( const std::string &  buffer )

inlinestatic

Extract meta data.

Parameters

buffer

meta data

Returns

meta data

Definition at line 168 of file JMeta.hh.

    {
      using namespace std;
      using namespace JPP;

      JMeta meta;

      istringstream is(buffer);

      is >> setequation(JMeta::getEquationParameters());

      for (JEquation equation; is >> equation; ) {
        meta[equation.getKey()] = equation.getValue();
      }

      return meta;
    }

std::string JSUPPORT::JMeta::toString ( ) const

inline

Convert meta data to string.

Returns

string

Definition at line 192 of file JMeta.hh.

    {
      using namespace std;
      using namespace JPP;

      ostringstream os;

      os << setequation(JMeta::getEquationParameters());
      
      for (JMeta::const_iterator i = this->begin(); i != this->end(); ++i) {
        os << JEquation::make_equation(i->first, i->second);
      }

      return os.str();
    }

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  out, const JMeta &  meta  )

friend

Write meta data to output.

Parameters

out	output stream
meta	meta data

Returns

output stream

Definition at line 216 of file JMeta.hh.

    { 
      using namespace std; 
 
      const_iterator p = meta.find(application_t);

      if (p != meta.end()) { 
        for (const_iterator i = meta.begin(); i != meta.end(); ++i) {
          if (i != p) { 
            out << p->second << ' ' << i->second << endl; 
          } 
        } 
      } 

      return out;
    } 

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

• JMeta.hh