/* vim: set ts=4 sw=4 tw=99 et:

  *

  * Copyright (C) 2012 David Anderson

  *

  * This file is part of JITCraft.

  *

  * JITCraft 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.

  * 

  * Foobar 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

  * JITCraft. If not, see http://www.gnu.org/licenses/.

  */

 #ifndef _include_jitcraft_string_h_

 #define _include_jitcraft_string_h_

 #include "Heap.h"

 namespace ke {

 // A fixed-length string containing UTF-8 characters.

 class String : public Object

 {

     uint32 length_;

   public:

     static String *New(Zone *zone, const char *from, Heap::Tenure tenure = Heap::Tenure_Default);

     static String *New(Zone *zone, const char *from, size_t length, Heap::Tenure tenure = Heap::Tenure_Default);

     unsigned length() {

         return length_;

     }

     char *chars() {

         return reinterpret_cast<char *>(this + 1);

     }

     char *chars(Zone *zone) {

         return chars();

     }

     size_t objSize() {

         return SizeFor(length());

     }

     static size_t SizeFor(unsigned length) {

         return sizeof(String) + sizeof(char) * (length + 1);

     }

     static inline String *cast(Object *obj) {

         assert(!obj || obj->is(MapKind_String));

         return reinterpret_cast<String *>(obj);

     }

 };

 class CharsAndLength

 {

     const char *str_;

     size_t length_;

   public:

     CharsAndLength(const char *str, size_t length)

         : str_(str),

         length_(length)

     {

     }

     const char *str() const {

         return str_;

     }

     size_t length() const {

         return length_;

     }

 };

 }

 #endif // _include_jitcraft_string_h_