JGIZMO::JRootObjectID Class Reference

Auxiliary class to handle file name, ROOT directory and object name. More...

#include <JRootObjectID.hh>

Public Member Functions
	JRootObjectID ()
	Default constructor. More...
	JRootObjectID (const std::string &file_name, const std::string &name)
	Constructor. More...
const std::string &	getFilename () const
	Get file name. More...
TString	getDirectory () const
	Get directory. More...
TString	getObjectName () const
	Get object name. More...
TString	getFullFilename () const
	Get full file name, including path. More...
TString	getFullObjectName () const
	Get full object name, including path. More...
bool	is_valid () const
	Check validity. More...
void	clear ()
	Clear. More...

Static Public Attributes
static const char	LABEL_L_BRACKET = '['
	left bracket for label More...
static const char	LABEL_R_BRACKET = ']'
	right bracket for label More...
static const char	FILENAME_SEPARATOR = ':'
	file name separator More...
static const char	PATHNAME_SEPARATOR = '/'
	path name separator More...

Protected Attributes
std::string	file_name
std::string	directory
std::string	name

Friends
bool	operator== (const JRootObjectID &first, const JRootObjectID &second)
	Equal operator for object identifiers. More...
std::istream &	operator>> (std::istream &in, JRootObjectID &object)
	Read object identifier from input. More...
std::ostream &	operator<< (std::ostream &out, const JRootObjectID &object)
	Write object identifier to output. More...

Detailed Description

Auxiliary class to handle file name, ROOT directory and object name.

The general syntax is as follows:

  <file name>:[<directory/>]<object name>

where <directory> is optional and <object name> may be a regular expression (TRegexp).

Definition at line 36 of file JRootObjectID.hh.

Constructor & Destructor Documentation

JGIZMO::JRootObjectID::JRootObjectID ( )

inline

Default constructor.

Definition at line 49 of file JRootObjectID.hh.

    {}

JGIZMO::JRootObjectID::JRootObjectID ( const std::string &  file_name, const std::string &  name  )

inline

Constructor.

Parameters

file_name	file name
name	object name

Definition at line 59 of file JRootObjectID.hh.

                                         :
      file_name(file_name),
      directory(""),
      name     (name)
    {}

Member Function Documentation

const std::string& JGIZMO::JRootObjectID::getFilename ( ) const

inline

Get file name.

Returns

file name

Definition at line 72 of file JRootObjectID.hh.

    {
      return file_name;
    }

TString JGIZMO::JRootObjectID::getDirectory ( ) const

inline

Get directory.

Returns

directory

Definition at line 83 of file JRootObjectID.hh.

    {
      return TString(directory.c_str());
    }

TString JGIZMO::JRootObjectID::getObjectName ( ) const

inline

Get object name.

Returns

object name

Definition at line 94 of file JRootObjectID.hh.

    {
      return TString(name.c_str());
    }

TString JGIZMO::JRootObjectID::getFullFilename ( ) const

inline

Get full file name, including path.

Returns

file name

Definition at line 105 of file JRootObjectID.hh.

    {
      if (getDirectory() == "")
        return getFilename();
      else
        return getFilename() + PATHNAME_SEPARATOR + getDirectory();
    }

TString JGIZMO::JRootObjectID::getFullObjectName ( ) const

inline

Get full object name, including path.

Returns

object name

Definition at line 119 of file JRootObjectID.hh.

    {
      if (getDirectory() == "")
        return getObjectName();
      else
        return getDirectory() + PATHNAME_SEPARATOR + getObjectName();
    }

bool JGIZMO::JRootObjectID::is_valid ( ) const

inline

Check validity.

Returns

true if valid ROOT object identifier; else false

Definition at line 133 of file JRootObjectID.hh.

    {
      return (file_name != "" &&
              name      != "");
    }

void JGIZMO::JRootObjectID::clear ( )

inline

Clear.

Definition at line 142 of file JRootObjectID.hh.

    {
      file_name.clear();
      directory.clear();
      name     .clear();
    }

Friends And Related Function Documentation

bool operator== ( const JRootObjectID &  first, const JRootObjectID &  second  )

friend

Equal operator for object identifiers.

Parameters

first	first object identifier
second	second object identifier

Returns

true if first and second object identifier are equal; else false

Definition at line 157 of file JRootObjectID.hh.

    {
      return (first.getFilename()   == second.getFilename()  &&
              first.getDirectory()  == second.getDirectory() &&
              first.getObjectName() == second.getObjectName());
    }

std::istream& operator>> ( std::istream &  in, JRootObjectID &  object  )

friend

Read object identifier from input.

Parameters

in	input stream
object	object identifier

Returns

input stream

Definition at line 172 of file JRootObjectID.hh.

    {
      using namespace std;

      object.clear();

      string buffer;

      for (int bracket = 0; in.peek() != EOF; ) {

        const char c = (char) in.get();

        if        (c == LABEL_L_BRACKET) {

          ++bracket;

        } else if (c == LABEL_R_BRACKET) {

          --bracket;

        } else if (isspace(c)) {

          if (bracket <= 0) {
            break;
          }
        }

        buffer.push_back(c);
      }

      size_t pos = buffer.find(FILENAME_SEPARATOR);

      if (pos != string::npos) {

        object.file_name = buffer.substr(0, pos);
        object.name      = buffer.substr(pos + 1);

        pos = object.name.rfind(PATHNAME_SEPARATOR);

        if (pos != string::npos) {
          
          object.directory = object.name.substr(0, pos);
          object.name      = object.name.substr(pos + 1);
        }

      } else if (!buffer.empty()) {

        throw JParseError("JRootObjectID error parsing " + buffer);
      }

      return in;
    }

std::ostream& operator<< ( std::ostream &  out, const JRootObjectID &  object  )

friend

Write object identifier to output.

Parameters

out	output stream
object	object identifier

Returns

output stream

Definition at line 233 of file JRootObjectID.hh.

    {
      return out << object.getFilename() << FILENAME_SEPARATOR << object.getFullObjectName();
    }

Member Data Documentation

const char JGIZMO::JRootObjectID::LABEL_L_BRACKET = '['

static

left bracket for label

Definition at line 40 of file JRootObjectID.hh.

const char JGIZMO::JRootObjectID::LABEL_R_BRACKET = ']'

static

right bracket for label

Definition at line 41 of file JRootObjectID.hh.

const char JGIZMO::JRootObjectID::FILENAME_SEPARATOR = ':'

static

file name separator

Definition at line 42 of file JRootObjectID.hh.

const char JGIZMO::JRootObjectID::PATHNAME_SEPARATOR = '/'

static

path name separator

Definition at line 43 of file JRootObjectID.hh.

std::string JGIZMO::JRootObjectID::file_name

protected

Definition at line 239 of file JRootObjectID.hh.

std::string JGIZMO::JRootObjectID::directory

protected

Definition at line 240 of file JRootObjectID.hh.

std::string JGIZMO::JRootObjectID::name

protected

Definition at line 241 of file JRootObjectID.hh.

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

• JRootObjectID.hh