nuclear@1: /************************************************************************************
nuclear@1: 
nuclear@1: PublicHeader:   None
nuclear@1: Filename    :   OVR_StringHash.h
nuclear@1: Content     :   String hash table used when optional case-insensitive
nuclear@1:                 lookup is required.
nuclear@1: Created     :   September 19, 2012
nuclear@1: Notes       : 
nuclear@1: 
nuclear@1: Copyright   :   Copyright 2012 Oculus VR, Inc. All Rights reserved.
nuclear@1: 
nuclear@1: Use of this software is subject to the terms of the Oculus license
nuclear@1: agreement provided at the time of installation or download, or which
nuclear@1: otherwise accompanies this software in either electronic or hard copy form.
nuclear@1: 
nuclear@1: ************************************************************************************/
nuclear@1: 
nuclear@1: #ifndef OVR_StringHash_h
nuclear@1: #define OVR_StringHash_h
nuclear@1: 
nuclear@1: #include "OVR_String.h"
nuclear@1: #include "OVR_Hash.h"
nuclear@1: 
nuclear@1: namespace OVR {
nuclear@1: 
nuclear@1: //-----------------------------------------------------------------------------------
nuclear@1: // *** StringHash
nuclear@1: 
nuclear@1: // This is a custom string hash table that supports case-insensitive
nuclear@1: // searches through special functions such as GetCaseInsensitive, etc.
nuclear@1: // This class is used for Flash labels, exports and other case-insensitive tables.
nuclear@1: 
nuclear@1: template<class U, class Allocator = ContainerAllocator<U> >
nuclear@1: class StringHash : public Hash<String, U, String::NoCaseHashFunctor, Allocator>
nuclear@1: {
nuclear@1: public:
nuclear@1:     typedef U                                                        ValueType;
nuclear@1:     typedef StringHash<U, Allocator>                                 SelfType;
nuclear@1:     typedef Hash<String, U, String::NoCaseHashFunctor, Allocator>    BaseType;
nuclear@1: 
nuclear@1: public:    
nuclear@1: 
nuclear@1:     void    operator = (const SelfType& src) { BaseType::operator = (src); }
nuclear@1: 
nuclear@1:     bool    GetCaseInsensitive(const String& key, U* pvalue) const
nuclear@1:     {
nuclear@1:         String::NoCaseKey ikey(key);
nuclear@1:         return BaseType::GetAlt(ikey, pvalue);
nuclear@1:     }
nuclear@1:     // Pointer-returning get variety.
nuclear@1:     const U* GetCaseInsensitive(const String& key) const   
nuclear@1:     {
nuclear@1:         String::NoCaseKey ikey(key);
nuclear@1:         return BaseType::GetAlt(ikey);
nuclear@1:     }
nuclear@1:     U*  GetCaseInsensitive(const String& key)
nuclear@1:     {
nuclear@1:         String::NoCaseKey ikey(key);
nuclear@1:         return BaseType::GetAlt(ikey);
nuclear@1:     }
nuclear@1: 
nuclear@1:     
nuclear@1:     typedef typename BaseType::Iterator base_iterator;
nuclear@1: 
nuclear@1:     base_iterator    FindCaseInsensitive(const String& key)
nuclear@1:     {
nuclear@1:         String::NoCaseKey ikey(key);
nuclear@1:         return BaseType::FindAlt(ikey);
nuclear@1:     }
nuclear@1: 
nuclear@1:     // Set just uses a find and assigns value if found. The key is not modified;
nuclear@1:     // this behavior is identical to Flash string variable assignment.    
nuclear@1:     void    SetCaseInsensitive(const String& key, const U& value)
nuclear@1:     {
nuclear@1:         base_iterator it = FindCaseInsensitive(key);
nuclear@1:         if (it != BaseType::End())
nuclear@1:         {
nuclear@1:             it->Second = value;
nuclear@1:         }
nuclear@1:         else
nuclear@1:         {
nuclear@1:             BaseType::Add(key, value);
nuclear@1:         }
nuclear@1:     } 
nuclear@1: };
nuclear@1: 
nuclear@1: } // OVR 
nuclear@1: 
nuclear@1: #endif