dvander@54: /* vim: set ts=4 sw=4 tw=99 et:
dvander@54:  *
dvander@54:  * Copyright (C) 2012 David Anderson
dvander@54:  *
dvander@54:  * This file is part of JITCraft.
dvander@54:  *
dvander@54:  * JITCraft is free software: you can redistribute it and/or modify it under
dvander@54:  * the terms of the GNU General Public License as published by the Free
dvander@54:  * Software Foundation, either version 3 of the License, or (at your option)
dvander@54:  * any later version.
dvander@54:  * 
dvander@54:  * Foobar is distributed in the hope that it will be useful, but WITHOUT ANY
dvander@54:  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
dvander@54:  * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
dvander@54:  *
dvander@54:  * You should have received a copy of the GNU General Public License along with
dvander@54:  * JITCraft. If not, see http://www.gnu.org/licenses/.
dvander@54:  */
dvander@54: #ifndef _include_jitcraft_string_h_
dvander@54: #define _include_jitcraft_string_h_
dvander@54: 
dvander@54: #include "Heap.h"
dvander@54: 
dvander@59: namespace ke {
dvander@54: 
dvander@54: // A fixed-length string containing UTF-8 characters.
dvander@54: class String : public Object
dvander@54: {
dvander@54:     uint32 length_;
dvander@54:     
dvander@54:   public:
dvander@54:     static String *New(Zone *zone, const char *from, Heap::Tenure tenure = Heap::Tenure_Default);
dvander@54:     static String *New(Zone *zone, const char *from, size_t length, Heap::Tenure tenure = Heap::Tenure_Default);
dvander@54: 
dvander@54:     unsigned length() {
dvander@54:         return length_;
dvander@54:     }
dvander@54:     char *chars() {
dvander@54:         return reinterpret_cast<char *>(this + 1);
dvander@54:     }
dvander@251:     char *chars(Zone *zone) {
dvander@251:         return chars();
dvander@251:     }
dvander@161:     size_t objSize() {
dvander@161:         return SizeFor(length());
dvander@161:     }
dvander@54: 
dvander@54:     static size_t SizeFor(unsigned length) {
dvander@161:         return sizeof(String) + sizeof(char) * (length + 1);
dvander@54:     }
dvander@54: 
dvander@54:     static inline String *cast(Object *obj) {
dvander@54:         assert(!obj || obj->is(MapKind_String));
dvander@54:         return reinterpret_cast<String *>(obj);
dvander@54:     }
dvander@54: };
dvander@54: 
dvander@195: class CharsAndLength
dvander@195: {
dvander@195:     const char *str_;
dvander@195:     size_t length_;
dvander@195: 
dvander@195:   public:
dvander@195:     CharsAndLength(const char *str, size_t length)
dvander@195:         : str_(str),
dvander@195:         length_(length)
dvander@195:     {
dvander@195:     }
dvander@195: 
dvander@195:     const char *str() const {
dvander@195:         return str_;
dvander@195:     }
dvander@195:     size_t length() const {
dvander@195:         return length_;
dvander@195:     }
dvander@195: };
dvander@195: 
dvander@54: }
dvander@54: 
dvander@54: #endif // _include_jitcraft_string_h_