nuclear@0: /************************************************************************************
nuclear@0: 
nuclear@0: PublicHeader:   None
nuclear@0: Filename    :   OVR_StringHash.h
nuclear@0: Content     :   String hash table used when optional case-insensitive
nuclear@0:                 lookup is required.
nuclear@0: Created     :   September 19, 2012
nuclear@0: Notes       : 
nuclear@0: 
nuclear@0: Copyright   :   Copyright 2014 Oculus VR, LLC All Rights reserved.
nuclear@0: 
nuclear@0: Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License"); 
nuclear@0: you may not use the Oculus VR Rift SDK except in compliance with the License, 
nuclear@0: which is provided at the time of installation or download, or which 
nuclear@0: otherwise accompanies this software in either electronic or hard copy form.
nuclear@0: 
nuclear@0: You may obtain a copy of the License at
nuclear@0: 
nuclear@0: http://www.oculusvr.com/licenses/LICENSE-3.2 
nuclear@0: 
nuclear@0: Unless required by applicable law or agreed to in writing, the Oculus VR SDK 
nuclear@0: distributed under the License is distributed on an "AS IS" BASIS,
nuclear@0: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nuclear@0: See the License for the specific language governing permissions and
nuclear@0: limitations under the License.
nuclear@0: 
nuclear@0: ************************************************************************************/
nuclear@0: 
nuclear@0: #ifndef OVR_StringHash_h
nuclear@0: #define OVR_StringHash_h
nuclear@0: 
nuclear@0: #include "OVR_String.h"
nuclear@0: #include "OVR_Hash.h"
nuclear@0: 
nuclear@0: namespace OVR {
nuclear@0: 
nuclear@0: //-----------------------------------------------------------------------------------
nuclear@0: // *** StringHash
nuclear@0: 
nuclear@0: // This is a custom string hash table that supports case-insensitive
nuclear@0: // searches through special functions such as GetCaseInsensitive, etc.
nuclear@0: // This class is used for Flash labels, exports and other case-insensitive tables.
nuclear@0: 
nuclear@0: template<class U, class Allocator = ContainerAllocator<U> >
nuclear@0: class StringHash : public Hash<String, U, String::NoCaseHashFunctor, Allocator>
nuclear@0: {
nuclear@0: public:
nuclear@0:     typedef U                                                        ValueType;
nuclear@0:     typedef StringHash<U, Allocator>                                 SelfType;
nuclear@0:     typedef Hash<String, U, String::NoCaseHashFunctor, Allocator>    BaseType;
nuclear@0: 
nuclear@0: public:    
nuclear@0: 
nuclear@0:     void    operator = (const SelfType& src) { BaseType::operator = (src); }
nuclear@0: 
nuclear@0:     bool    GetCaseInsensitive(const String& key, U* pvalue) const
nuclear@0:     {
nuclear@0:         String::NoCaseKey ikey(key);
nuclear@0:         return BaseType::GetAlt(ikey, pvalue);
nuclear@0:     }
nuclear@0:     // Pointer-returning get variety.
nuclear@0:     const U* GetCaseInsensitive(const String& key) const   
nuclear@0:     {
nuclear@0:         String::NoCaseKey ikey(key);
nuclear@0:         return BaseType::GetAlt(ikey);
nuclear@0:     }
nuclear@0:     U*  GetCaseInsensitive(const String& key)
nuclear@0:     {
nuclear@0:         String::NoCaseKey ikey(key);
nuclear@0:         return BaseType::GetAlt(ikey);
nuclear@0:     }
nuclear@0: 
nuclear@0:     
nuclear@0:     typedef typename BaseType::Iterator base_iterator;
nuclear@0: 
nuclear@0:     base_iterator    FindCaseInsensitive(const String& key)
nuclear@0:     {
nuclear@0:         String::NoCaseKey ikey(key);
nuclear@0:         return BaseType::FindAlt(ikey);
nuclear@0:     }
nuclear@0: 
nuclear@0:     // Set just uses a find and assigns value if found. The key is not modified;
nuclear@0:     // this behavior is identical to Flash string variable assignment.    
nuclear@0:     void    SetCaseInsensitive(const String& key, const U& value)
nuclear@0:     {
nuclear@0:         base_iterator it = FindCaseInsensitive(key);
nuclear@0:         if (it != BaseType::End())
nuclear@0:         {
nuclear@0:             it->Second = value;
nuclear@0:         }
nuclear@0:         else
nuclear@0:         {
nuclear@0:             BaseType::Add(key, value);
nuclear@0:         }
nuclear@0:     } 
nuclear@0: };
nuclear@0: 
nuclear@0: } // OVR 
nuclear@0: 
nuclear@0: #endif