mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/AbuseFilter.git
synced 2024-09-24 10:48:17 +00:00
69 lines
1.4 KiB
C++
69 lines
1.4 KiB
C++
/*
|
|
* Copyright (c) 2008 Andrew Garrett.
|
|
* Copyright (c) 2008 River Tarnell <river@wikimedia.org>
|
|
* Derived from public domain code contributed by Victor Vasiliev.
|
|
*
|
|
* Permission is granted to anyone to use this software for any purpose,
|
|
* including commercial applications, and to alter it and redistribute it
|
|
* freely. This software is provided 'as-is', without any express or
|
|
* implied warranty.
|
|
*/
|
|
|
|
#include <fstream>
|
|
#include <string>
|
|
|
|
#include <boost/lexical_cast.hpp>
|
|
|
|
#include "equiv.h"
|
|
#include "aftypes.h"
|
|
|
|
#define EQUIVSET_LOC "equivset.txt"
|
|
|
|
namespace afp {
|
|
|
|
equiv_set::equiv_set()
|
|
{
|
|
// Map of codepoint:codepoint
|
|
|
|
std::ifstream eqsFile(EQUIVSET_LOC);
|
|
|
|
if (!eqsFile)
|
|
throw exception( "Unable to open equivalence sets!" );
|
|
|
|
std::string line;
|
|
|
|
while (getline(eqsFile, line)) {
|
|
size_t pos = line.find(':');
|
|
|
|
if (pos != line.npos) try {
|
|
// We have a codepoint:codepoint thing.
|
|
int actual = boost::lexical_cast<int>(line.substr(0, pos));
|
|
int canonical = boost::lexical_cast<int>(line.substr(pos + 1));
|
|
|
|
if (actual != 0 && canonical != 0)
|
|
equivs_[actual] = canonical;
|
|
} catch (boost::bad_lexical_cast &) {}
|
|
}
|
|
}
|
|
|
|
int
|
|
equiv_set::get(int c) const
|
|
{
|
|
std::map<int, int>::const_iterator it;
|
|
|
|
if ((it = equivs_.find(c)) == equivs_.end())
|
|
return c;
|
|
|
|
return it->second;
|
|
}
|
|
|
|
equiv_set const &
|
|
equiv_set::instance()
|
|
{
|
|
static equiv_set inst;
|
|
return inst;
|
|
}
|
|
|
|
} // namespace afp
|
|
|