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

  *

  * Copyright (C) 2012 David Anderson

  *

  * This file is part of SourcePawn.

  *

  * SourcePawn 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.

  * 

  * SourcePawn 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

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

  */

 #ifndef _include_sp2_native_table_h_

 #define _include_sp2_native_table_h_

 #include <string.h>

 #include "AllocatorPolicies.h"

 #include "Strings.h"

 #include "HashTable.h"

 #include "Vector.h"

 #include "VirtualObjectVisitor.h"

 namespace ke {

 class NativeTable

 {

   public:

     NativeTable(Zone *zone);

     ~NativeTable();

   private:

     struct NativeInfo {

         Unbarriered<String> name;

         void *address;

         size_t index;

         NativeInfo(String *name, void *address, size_t index)

           : address(address),

             index(index)

         {

             this->name = name;

         }

     };

     struct Policy

     {

         typedef NativeInfo * Payload;

         static uint32 hash(const CharsAndLength &key) {

             return HashCharSequence(key.str(), key.length());

         }

         static bool matches(const CharsAndLength &key, NativeInfo *info) {

             if (info->name->length() != key.length())

                 return false;

             return memcmp(info->name->chars(), key.str(), key.length() * sizeof(char)) == 0;

         }

     };

     typedef HashTable<Policy, ZoneAllocatorPolicy> NativeMap;

   public:

     bool initialize();

     bool bind(const char *name, void *address);

     bool add(Handle<String> name, size_t *indexp);

     String *name(size_t index) const {

         return natives_[index]->name;

     }

     void *address(size_t index) const {

         return natives_[index]->address;

     }

     void accept(VirtualObjectVisitor *visitor);

   private:

     Zone *zone_;

     NativeMap nativeMap_;

     Vector<NativeInfo *> natives_;

 };

 }

 #endif // _include_sp2_native_table_h_