Matcher_regexp Class Reference

#include <Matcher.h>

Inheritance diagram for Matcher_regexp:

List of all members.

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Detailed Description

Regular expression matcher.

Definition at line 167 of file Matcher.h.

Public Member Functions
	Matcher_regexp (int param, std::string const &arg, bool single_param)
	Construct a Matcher_regexp instance that matches parameter param (and on if single_param is false) against pattern arg.
	~Matcher_regexp ()
	Destructor.
virtual void	print_type_on (std::ostream &os) const
	For debugging purposes. Write the class name to os.
virtual void	print_on (std::ostream &os) const
	For debugging purposes. Write the compiled pattern to os.
virtual int	sort_value (void)
	Implementation of pure virtual function Matcher::sort_value().
Protected Member Functions
virtual bool	match_impl (ServerSession const &server_session, char const *start, size_t len)
	Match implementation interface filled in by derived classes.
Private Attributes
regex_t	M_regex
	Compiled regular expression.

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Constructor & Destructor Documentation

Matcher_regexp::Matcher_regexp	(	int	param,
		std::string const &	arg,
		bool	single_param
	)			[inline]

Construct a Matcher_regexp instance that matches parameter param (and on if single_param is false) against pattern arg.

Definition at line 173 of file Matcher.h.

References ASSERT, and M_regex.

00173                                                                        :
00174         Matcher(param, single_param)
00175         {
00176 #if defined(CWDEBUG) || defined(DEBUG)
00177           int regcomp_error =
00178 #endif
00179               regcomp(&M_regex, arg.c_str(), REG_ICASE | REG_NOSUB);
00180           ASSERT(regcomp_error == 0); }
    //! Destructor.

Matcher_regexp::~Matcher_regexp

(

)

[inline]

Destructor.

Definition at line 182 of file Matcher.h.

References M_regex.

{ regfree(&M_regex); }

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Member Function Documentation

virtual void Matcher_regexp::print_type_on

(

std::ostream &

os

)

const [inline, virtual]

For debugging purposes. Write the class name to os.

Implements Matcher.

Definition at line 186 of file Matcher.h.

{ os << "Matcher_regexp"; }

virtual void Matcher_regexp::print_on

(

std::ostream &

os

)

const [inline, virtual]

For debugging purposes. Write the compiled pattern to os.

Reimplemented from Matcher.

Definition at line 188 of file Matcher.h.

{ os << "regex: " << M_regex; }

bool Matcher_regexp::match_impl	(	ServerSession const &	server_session,
		char const *	start,
		size_t	len
	)			[protected, virtual]

Match implementation interface filled in by derived classes.

Implements Matcher.

Definition at line 89 of file Matcher.cc.

References M_regex.

{
  char c = start[len];
  const_cast<char*>(start)[len] = '\0';
  bool success = regexec(&M_regex, start, 0, NULL, 0) == 0;
  const_cast<char*>(start)[len] = c;
  return success;
}

virtual int Matcher_regexp::sort_value

(

void

)

[inline, virtual]

Implementation of pure virtual function Matcher::sort_value().

Implements Matcher.

Definition at line 196 of file Matcher.h.

{ return regexp_mt; }

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Member Data Documentation

regex_t Matcher_regexp::M_regex [private]

Compiled regular expression.

Definition at line 169 of file Matcher.h.

Referenced by match_impl(), Matcher_regexp(), and ~Matcher_regexp().

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

• Matcher.h
• Matcher.cc