| # Gaudi Framework, version v22r4 |

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Public Member Functions | Private Attributes

# 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.

## 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.

                            {
        }

## Member Function Documentation

long Tokenizer::Token::length | ( | ) | const`[inline]`

Total token length.

Definition at line 54 of file Tokenizer.h.

                                {
          return m_length;
        }

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;
        }

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;
      }
    }

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;
        }

## 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.

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

- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v22r4/GaudiKernel/GaudiKernel/Tokenizer.h
- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v22r4/GaudiKernel/src/Lib/Tokenizer.cpp

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