Boost.regex examples using boost::mapfile::iterator and std::string::const_iterator
I used the regex library from version 1.28.0 with BCB6. I was able to
have a single function
CommentsStrings::MatchFound(boost::match_resultstd::string::const_iterator
what);
to process both a std::string and a boost::mapfile.
The calling functions are:
//---------------------------------------------------------------------------
void CommentsStrings::Analyse(const std::string& Buffer)
{
Buffer_ = Buffer;
AllCommentsStrings_.clear();
// find comments and strings
std::string::const_iterator start, end;
start = Buffer_.begin();
end = Buffer_.end();
boost::regex_grep(
std::bind1st(std::mem_fun(&CommentsStrings::MatchFound), this),
start,
end,
CommentStringExpression);
}
//---------------------------------------------------------------------------
void CommentsStrings::Analyse(const char *file)
{
currentFile = file;
AllCommentsStrings_.clear();
// find comments and strings
boost::mapfile f(currentFile.c_str());
boost::mapfile::iterator start, end;
start = f.begin();
end = f.end();
boost::regex_grep(
std::bind1st(std::mem_fun(&CommentsStrings::MatchFound), this),
start,
end,
CommentStringExpression);
}
Now I am using BDS2006 and boost 1_33_1 I am getting an error
Could not find a match for
'std::bind1st
I know that the iterator for std::string is a class and not a char pointer. I am at a loss as how to proceed.
That would likely be the cause of the problem: you're trying to use the same code with two different incompatible iterator types. What you could do is use: mystring.c_str(); in place of mystring.begin() mystring.c_str()+mystring.size(); in place of mystring.end() So that you're back to using const char* as an iterator for std::string again. John.
participants (2)
-
John Grabner -
John Maddock