bool csdbg::string::match ( const string &  exp, bool  icase = false  ) const

virtual

Match against a POSIX extended regular expression.

Parameters

[in]	exp	the regular expression
[in]	icase	true to ignore case sensitivity

Returns

true if there is a match, false otherwise

Exceptions

csdbg::exception

Definition at line 490 of file string.cpp.

References cstr(), likely, m_data, and unlikely.

Referenced by csdbg::parser::highlight(), csdbg::dictionary::lookup(), csdbg::tracer::on_dso_load(), and split().

{
  i32 flags = REG_EXTENDED | REG_NOSUB;
  if ( unlikely(icase) )
    flags |= REG_ICASE;

  /* Compile the regular expression and perform the matching */
  regex_t regexp;
  i32 retval = regcomp(&regexp, exp.cstr(), flags);
  if ( likely(retval == 0) ) {
    retval = regexec(&regexp, m_data, 0, NULL, 0);
    regfree(&regexp);
    return !retval;
  }

  /* If the expression compilation failed */
  i32 len = regerror(retval, &regexp, NULL, 0);
  i8 errbuf[len];
  regerror(retval, &regexp, errbuf, len);
  regfree(&regexp);

  throw exception(
    "failed to compile regexp '%s' (regex errno %d - %s)",
    exp.cstr(),
    retval,
    errbuf
  );
}

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