dbcs-str.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef COMMON_DBCS_STR_H
#define COMMON_DBCS_STR_H

#include "common/scummsys.h"
#include "common/util.h"
#include "common/str-enc.h"
#include "common/str-base.h"

namespace Common {

class String;

class DBCSString : public BaseString<uint16> {
public:
    typedef uint32 unsigned_type; 
public:
    constexpr DBCSString() : BaseString<uint16>() {}

    explicit DBCSString(const value_type *str) : BaseString<uint16>(str) {}

    DBCSString(const value_type *str, uint32 len) : BaseString<uint16>(str, len) {}

    DBCSString(const value_type *beginP, const value_type *endP) : BaseString<uint16>(beginP, endP) {}

    DBCSString(const DBCSString &str) : BaseString<uint16>(str) {}

    DBCSString(DBCSString &&str) : BaseString<uint16>(static_cast<BaseString<uint16> &&>(str)) {}

    explicit DBCSString(const char *str);

    DBCSString(const char *str, uint32 len);

    DBCSString(const char *beginP, const char *endP);

    explicit DBCSString(const String &str);

    explicit constexpr DBCSString(value_type c) : BaseString<uint16>(c) {}

    DBCSString &operator=(const DBCSString &str);

    DBCSString &operator=(DBCSString &&str);

    DBCSString &operator=(const String &str);

    DBCSString &operator=(const value_type *str);

    DBCSString &operator=(const char *str);

    DBCSString &operator=(value_type c);

    DBCSString &operator+=(const DBCSString &str);

    DBCSString &operator+=(const value_type *str);

    DBCSString &operator+=(value_type c);

    using BaseString<value_type>::operator==;
    using BaseString<value_type>::operator!=;

    bool operator==(const String &x) const;

    bool operator==(const char *x) const;

    bool operator!=(const String &x) const;

    bool operator!=(const char *x) const;

    String convertToString() const;

    DBCSString substr(size_t pos = 0, size_t len = npos) const;

private:
    void decodeDBCS(const char *str, uint32 len);

    friend class String;
};

DBCSString operator+(const DBCSString &x, const DBCSString &y);

DBCSString operator+(const DBCSString &x, DBCSString::value_type y);

} // End of namespace Common

#endif