IRC_compare.h File Reference

---

Detailed Description

This file contains the declaration of the IRC string- and character compare functions.

Definition in file IRC_compare.h.

#include <cstddef>
#include <string>
#include "ircd_chattr.h"

Go to the source code of this file.

Classes
struct	IRC_less
	Functor to compare strings with IRCStringCompare. More...
Functions
int	IRCStringCompare (char c1, char c2)
	Compare two IRC characters in a 'case insensitive' way.
bool	IRC_compare (char c1, char c2)
	Compare two IRC characters in a 'case insensitive' way.
int	IRCStringCompare (char const *s1, char const *s2)
	Compare two whole IRC strings in a 'case insensitive' way.
int	IRCStringCompare (char const *s1, char const *s2, size_t count)
	Compare the first count characters of two IRC strings in a 'case insensitive' way.
int	IRCStringCompare (std::string const &s1, std::string const &s2)
	Compare two whole IRC strings in a 'case insensitive' way.
int	IRCStringCompare (std::string const &s1, std::string const &s2, size_t count)
	Compare the first count characters of two IRC strings in a 'case insensitive' way.
int	IRCStringCompare (std::string const &s1, char const *s2)
	Compare two whole IRC strings in a 'case insensitive' way.
int	IRCStringCompare (std::string const &s1, char const *s2, size_t count)
	Compare the first count characters of two IRC strings in a 'case insensitive' way.
int	IRCStringCompare (char const *s1, std::string const &s2)
	Compare two whole IRC strings in a 'case insensitive' way.
int	IRCStringCompare (char const *s1, std::string const &s2, size_t count)
	Compare the first count characters of two IRC strings in a 'case insensitive' way.

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Function Documentation

int IRCStringCompare	(	char	c1,
		char	c2
	)			[inline]

Compare two IRC characters in a 'case insensitive' way.

Definition at line 29 of file IRC_compare.h.

{
  int lc1 = static_cast<unsigned char>(ToLower(c1));
  int lc2 = static_cast<unsigned char>(ToLower(c2));
  if (lc1 < lc2)
    return -1;
  if (lc1 > lc2)
    return 1;
  return 0;
}

bool IRC_compare	(	char	c1,
		char	c2
	)			[inline]

Compare two IRC characters in a 'case insensitive' way.

Definition at line 43 of file IRC_compare.h.

{
  return static_cast<unsigned char>(ToLower(c1)) < static_cast<unsigned char>(ToLower(c2));
}

int IRCStringCompare	(	char const *	s1,
		char const *	s2
	)

Compare two whole IRC strings in a 'case insensitive' way.

Definition at line 25 of file IRC_compare.cc.

Referenced by ServerSession::detected_network(), ServerSession::found_network_name(), IRCStringCompare(), IRC_less::operator()(), and Identity::received_network_domain_answer().

{
  while (ToLower(*s1) == ToLower(*s2))
  {
    if (!*s1++)
      return 0;
    else
      ++s2;
  }
  return static_cast<unsigned char>(ToLower(*s1)) - static_cast<unsigned char>(ToLower(*s2));
}

int IRCStringCompare	(	char const *	s1,
		char const *	s2,
		size_t	count
	)

Compare the first count characters of two IRC strings in a 'case insensitive' way.

Definition at line 37 of file IRC_compare.cc.

{
  if (count == 0)
    return 0;
  while (--count != 0 && ToLower(*s1) == ToLower(*s2))
  {
    if (!*s1++)
      return 0;
    else
      ++s2;
  }
  return static_cast<unsigned char>(ToLower(*s1)) - static_cast<unsigned char>(ToLower(*s2));
}

int IRCStringCompare	(	std::string const &	s1,
		std::string const &	s2
	)			[inline]

Compare two whole IRC strings in a 'case insensitive' way.

Definition at line 57 of file IRC_compare.h.

References IRCStringCompare().

{
  return IRCStringCompare(s1.c_str(), s2.c_str());
}

int IRCStringCompare	(	std::string const &	s1,
		std::string const &	s2,
		size_t	count
	)			[inline]

Compare the first count characters of two IRC strings in a 'case insensitive' way.

Definition at line 65 of file IRC_compare.h.

References IRCStringCompare().

{
  return IRCStringCompare(s1.c_str(), s2.c_str(), count);
}

int IRCStringCompare	(	std::string const &	s1,
		char const *	s2
	)			[inline]

Compare two whole IRC strings in a 'case insensitive' way.

Definition at line 71 of file IRC_compare.h.

References IRCStringCompare().

{
  return IRCStringCompare(s1.c_str(), s2);
}

int IRCStringCompare	(	std::string const &	s1,
		char const *	s2,
		size_t	count
	)			[inline]

Compare the first count characters of two IRC strings in a 'case insensitive' way.

Definition at line 79 of file IRC_compare.h.

References IRCStringCompare().

{
  return IRCStringCompare(s1.c_str(), s2, count);
}

int IRCStringCompare	(	char const *	s1,
		std::string const &	s2
	)			[inline]

Compare two whole IRC strings in a 'case insensitive' way.

Definition at line 85 of file IRC_compare.h.

References IRCStringCompare().

{
  return IRCStringCompare(s1, s2.c_str());
}

int IRCStringCompare	(	char const *	s1,
		std::string const &	s2,
		size_t	count
	)			[inline]

Compare the first count characters of two IRC strings in a 'case insensitive' way.

Definition at line 93 of file IRC_compare.h.

References IRCStringCompare().

{
  return IRCStringCompare(s1, s2.c_str(), count);
}