Ustring.h

/* 
 * File:   Unicode.h
 * 
 * Copyright 2014 Heinrich Schuchardt <xypron.glpk@gmx.de>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef USTRING_H
#define USTRING_H

#include <istream>
#include <stdint.h>
#include <string>
#include <vector>

typedef uint32_t Uchar;

class Ustring {
public:

    class Error {
    };

    class Eof : public Error {
    };

    class Invalid : public Error {
    };
    static const Uchar BYTE_ORDER_MARK = 0xFEFFu;

    Ustring();
    Ustring(std::istream *);
    Ustring(const Ustring &);
    virtual ~Ustring();
    int length();
    std::vector<Uchar>::const_iterator begin();
    std::vector<Uchar>::const_iterator end();
    const bool operator==(const char *) const;
    Ustring* operator+=(const char *);
    Ustring* operator+=(const Uchar &);
    const bool operator < ( const Ustring &) const;
    std::string* operator>>(std::string &);
    const Uchar & charAt(int) const;
private:
    int getchar(std::istream *);
    static Invalid invalid;
    std::vector<Uchar> s;
};

#endif  /* USTRING_H */