// unicode.h - Don Yang (uguu.org)
//
// 06/22/11

#ifndef UNICODE_H_
#define UNICODE_H_

#include<string>
#include<utility>
#include<vector>
using namespace std;

// Parse a UTF-8 character.  Returns unicode value on success, or
// 0xFFFD (Unicode replacement character) on error.  Iterator is
// always updated to point at the last byte on return.
//
// Iterator must point at a UTF-8 character on input.
unsigned int ParseUtf8Char(const string &input, string::const_iterator *i);

// Advance an iterator to the next character.  Iterator may point at
// an ASCII or UTF-8 character on input.  If there aren't enough
// characters left, iterator will point at end().
void NextChar(string *input, string::iterator *i);

#endif  // UNICODE_H_