RegEx Class Reference

Regular Express Class. More...

#include <dynashell_regex.h>

Public Member Functions
	RegEx ()
	Default constructor.
	RegEx (const string &strRegEx)
	String initialization constructor.
	RegEx (const char *sRegEx)
	Null-terminated string initialization constructor.
	RegEx (const RegEx &src)
	Copy constructor.
virtual	~RegEx ()
	Default destructor.
bool	Match (const string &strPat)
	Match pattern against regular expression. More...
bool	Match (const char *sPat)
	Match pattern against regular expression. More...
const char *	GetRegEx () const
	Get this object's regular expression. More...
bool	IsValid ()
	Test if in valid state. More...
RegEx &	operator= (const RegEx &rhs)
	Assignment copy operator. More...
RegEx &	operator= (const string &rhs)
	Assignment operator. More...
RegEx &	operator= (const char *rhs)
	Assignment operator. More...

Protected Member Functions
void	Compile ()
	Compile a regular expression.

Protected Attributes
bool	m_bIsValid
	expression is [not] valid
string	m_strRegEx
	pre-compiled regular expression string
regex_t	m_regex
	compiled reqular expression

Detailed Description

Regular Express Class.

Definition at line 70 of file dynashell_regex.h.

Member Function Documentation

const char* RegEx::GetRegEx ( ) const

inline

Get this object's regular expression.

Returns

If a regular expressing exist, then the expression string is returned. Else NULL is returned.

Definition at line 163 of file dynashell_regex.h.

  {
    return m_strRegEx.length() > 0? m_strRegEx.c_str(): NULL;
  }

bool RegEx::IsValid ( )

inline

Test if in valid state.

Returns

Returns true or false;

Definition at line 173 of file dynashell_regex.h.

  {
    return m_bIsValid;
  }

bool RegEx::Match ( const string &  strPat )

inline

Match pattern against regular expression.

Parameters

strPat

String pattern.

Returns

Returns true if the pattern matches the expression, false otherwise.

Definition at line 132 of file dynashell_regex.h.

  {
    return Match(strPat.c_str());
  }

bool RegEx::Match ( const char *  sPat )

inline

Match pattern against regular expression.

Parameters

sPat	Null-terminated string pattern.

Returns

Returns true if the pattern matches the expression, false otherwise.

Definition at line 145 of file dynashell_regex.h.

  {
    if( m_bIsValid && (regexec(&m_regex, sPat, 0, NULL, 0) == 0) )
    {
      return true;
    }
    else
    {
      return false;
    }
  }

RegEx& RegEx::operator= ( const RegEx &  rhs )

inline

Assignment copy operator.

Parameters

rhs	Regular expression object.

Returns

This regular expression object.

Definition at line 185 of file dynashell_regex.h.

References m_strRegEx.

  {
    regfree(&m_regex);
    m_strRegEx = rhs.m_strRegEx;
    Compile();
    return *this;
  }

RegEx& RegEx::operator= ( const string &  rhs )

inline

Assignment operator.

Parameters

rhs	String regular expression.

Returns

This regular expression object.

Definition at line 200 of file dynashell_regex.h.

  {
    regfree(&m_regex);
    m_strRegEx = rhs;
    Compile();
    return *this;
  }

RegEx& RegEx::operator= ( const char *  rhs )

inline

Assignment operator.

Parameters

rhs	Null-terminated string expression object.

Returns

This regular expression object.

Definition at line 215 of file dynashell_regex.h.

  {
    regfree(&m_regex);
    if( rhs != NULL )
    {
      m_strRegEx = rhs;
      Compile();
    }
    else
    {
      m_strRegEx.clear();
      m_bIsValid = false;
    }
    return *this;
  }

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

• dynashell/dynashell_regex.h
• dynashell/dynashell_regex.cxx