peerplays-fc/src/utf8.cpp
2016-05-24 19:24:03 -04:00

52 lines
1.2 KiB
C++

#include "fc/utf8.hpp"
#include "utf8/checked.h"
#include "utf8/core.h"
#include "utf8/unchecked.h"
#include <websocketpp/utf8_validator.hpp>
#include <assert.h>
#include <fc/log/logger.hpp>
#include <iostream>
namespace fc {
bool is_utf8( const std::string& str )
{
auto itr = utf8::find_invalid(str.begin(), str.end());
return utf8::is_valid( str.begin(), str.end() );
}
string prune_invalid_utf8( const string& str ) {
string result;
auto itr = utf8::find_invalid(str.begin(), str.end());
if( itr == str.end() ) return str;
result = string( str.begin(), itr );
while( itr != str.end() ) {
++itr;
auto start = itr;
itr = utf8::find_invalid( start, str.end());
result += string( start, itr );
}
return result;
}
void decodeUtf8(const std::string& input, std::wstring* storage)
{
assert(storage != nullptr);
utf8::utf8to32(input.begin(), input.end(), std::back_inserter(*storage));
}
void encodeUtf8(const std::wstring& input, std::string* storage)
{
assert(storage != nullptr);
utf8::utf32to8(input.begin(), input.end(), std::back_inserter(*storage));
}
} ///namespace fc