Tokenizer::Token Class Reference

Definition of the sub-class Token. More...

#include <Tokenizer.h>

Collaboration diagram for Tokenizer::Token:

[legend]

List of all members.

Public Member Functions
	Token (const Token &copy)
	Copy constructor.
	Token ()
	Standard constructor.
void	make (const std::string &s, long st, const char *delim, const char *tagBegin, const char *tagEnd, const char *eq, const char *valBegin, const char *valEnd)
	Create token from string.
virtual	~Token ()
	Standard Destructor.
Token &	operator= (const Token &copy)
	Assignment operator.
bool	operator== (const Token &copy) const
long	length () const
	Total token length.
const std::string &	tag () const
	Acces tag value.
const std::string &	value () const
	Access value.
void	resolveValue ()
	Resolve value from environment.
Private Attributes
long	m_length
	Toke length.
std::string	m_tag
	Tag variable.
std::string	m_value
	Value variable.

---

Detailed Description

Definition of the sub-class Token.

Definition at line 28 of file Tokenizer.h.

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Constructor & Destructor Documentation

Tokenizer::Token::Token

(

const Token &

copy

)

[inline]

Copy constructor.

Definition at line 37 of file Tokenizer.h.

                              : m_length(copy.m_length), m_tag(copy.m_tag), m_value(copy.m_value)  {
    }

Tokenizer::Token::Token

(

)

[inline]

Standard constructor.

Definition at line 40 of file Tokenizer.h.

             : m_length(0)  {
    }

virtual Tokenizer::Token::~Token

(

)

[inline, virtual]

Standard Destructor.

Definition at line 45 of file Tokenizer.h.

                        {
    }

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Member Function Documentation

void Tokenizer::Token::make	(	const std::string &	s,
		long	st,
		const char *	delim,
		const char *	tagBegin,
		const char *	tagEnd,
		const char *	eq,
		const char *	valBegin,
		const char *	valEnd
	)

Create token from string.

Definition at line 60 of file Tokenizer.cpp.

                                                                                                                                                                           {
  long lenTagBeg   = ::strlen(tagBeg);
  long lenTagEnd   = ::strlen(tagEnd);
  long lenValBeg   = ::strlen(valBeg);
  long lenValEnd   = ::strlen(valEnd);
  long lenDelim    = ::strlen(delim);
  long lenEq       = ::strlen(eq);
  long slen        = s.length();
  long start       = st;
  while(::strncmp(s.c_str()+start,delim,lenDelim)==0) start += lenDelim;
  long posTag      = (lenTagBeg>0) ? s.find(tagBeg, start) + lenTagBeg : start;
  long posDelim    = s.find(delim,posTag) > 0 ? s.find(delim,posTag) : slen;
  long posEq       = s.find(eq, posTag)   > 0 ? s.find(eq, posTag) : posDelim-posTag;
  long lenTag      = (lenTagEnd>0)   ? s.find(tagEnd, posTag)-posTag : (posEq>0) ? (posEq>posTag) ? posEq-posTag : posDelim-posTag : posDelim;
  posEq            = s.find(eq, posTag+lenTag+lenTagEnd)+lenEq;
  long posVal      = (lenValBeg>0)   ? s.find(valBeg, posEq)+lenValBeg : posEq;
  posDelim         = (lenDelim>0)    ? s.find(delim, posVal+lenValBeg) : slen;
  long lenVal      = (lenValEnd>0)   ? s.find(valEnd, posVal)-posVal : ((posDelim>=0) ? posDelim : slen)-posVal;

  m_tag = m_value  = "";
  // Ooops: Valid tag found:
  if ( start  >= 0 && posTag >= 0 )   {
    m_tag    = s.substr(posTag, lenTag);
    m_length = posTag+m_tag.length()+lenTagEnd-st;
  }
  // Ooops: there is also a value:
  if ( posVal >= 0 && lenVal >= 0 )   {
    m_value  = s.substr(posVal, lenVal);
    m_length = posVal+m_value.length()+lenValEnd-st;
  }
  while(::strncmp(s.c_str()+start+m_length,delim,lenDelim)==0) m_length += lenDelim;
}

Tokenizer::Token & Tokenizer::Token::operator=

(

const Token &

copy

)

Assignment operator.

Definition at line 21 of file Tokenizer.cpp.

                                                               {
  m_length=copy.m_length;
  m_tag=copy.m_tag;
  m_value=copy.m_value;
  return *this;
}

bool Tokenizer::Token::operator==

(

const Token &

copy

)

const [inline]

Definition at line 50 of file Tokenizer.h.

                                                  {
      return m_tag == copy.m_tag, m_value == copy.m_value && m_length == copy.m_length;
    }

long Tokenizer::Token::length

(

)

const [inline]

Total token length.

Definition at line 54 of file Tokenizer.h.

                            {
      return m_length;
    }

const std::string& Tokenizer::Token::tag

(

)

const [inline]

Acces tag value.

Definition at line 58 of file Tokenizer.h.

                                      {
      return m_tag;
    }

const std::string& Tokenizer::Token::value

(

)

const [inline]

Access value.

Definition at line 62 of file Tokenizer.h.

                                      {
      return m_value;
    }

void Tokenizer::Token::resolveValue

(

)

Resolve value from environment.

Definition at line 29 of file Tokenizer.cpp.

                                   {
  std::string res;
  if ( System::resolveEnv(m_value, res).isSuccess() )  {
    m_value = res;
  }
}

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Member Data Documentation

long Tokenizer::Token::m_length [private]

Toke length.

Definition at line 30 of file Tokenizer.h.

std::string Tokenizer::Token::m_tag [private]

Tag variable.

Definition at line 32 of file Tokenizer.h.

std::string Tokenizer::Token::m_value [private]

Value variable.

Definition at line 34 of file Tokenizer.h.

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

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v21r8/GaudiKernel/GaudiKernel/Tokenizer.h
• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v21r8/GaudiKernel/src/Lib/Tokenizer.cpp