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Diffstat (limited to 'LibOVR/Src/Kernel/OVR_StringHash.h')
-rw-r--r-- | LibOVR/Src/Kernel/OVR_StringHash.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/LibOVR/Src/Kernel/OVR_StringHash.h b/LibOVR/Src/Kernel/OVR_StringHash.h new file mode 100644 index 0000000..237dc7e --- /dev/null +++ b/LibOVR/Src/Kernel/OVR_StringHash.h @@ -0,0 +1,89 @@ +/************************************************************************************
+
+PublicHeader: None
+Filename : OVR_StringHash.h
+Content : String hash table used when optional case-insensitive
+ lookup is required.
+Created : September 19, 2012
+Notes :
+
+Copyright : Copyright 2012 Oculus VR, Inc. All Rights reserved.
+
+Use of this software is subject to the terms of the Oculus license
+agreement provided at the time of installation or download, or which
+otherwise accompanies this software in either electronic or hard copy form.
+
+************************************************************************************/
+
+#ifndef OVR_StringHash_h
+#define OVR_StringHash_h
+
+#include "OVR_String.h"
+#include "OVR_Hash.h"
+
+namespace OVR {
+
+//-----------------------------------------------------------------------------------
+// *** StringHash
+
+// This is a custom string hash table that supports case-insensitive
+// searches through special functions such as GetCaseInsensitive, etc.
+// This class is used for Flash labels, exports and other case-insensitive tables.
+
+template<class U, class Allocator = ContainerAllocator<U> >
+class StringHash : public Hash<String, U, String::NoCaseHashFunctor, Allocator>
+{
+public:
+ typedef U ValueType;
+ typedef StringHash<U, Allocator> SelfType;
+ typedef Hash<String, U, String::NoCaseHashFunctor, Allocator> BaseType;
+
+public:
+
+ void operator = (const SelfType& src) { BaseType::operator = (src); }
+
+ bool GetCaseInsensitive(const String& key, U* pvalue) const
+ {
+ String::NoCaseKey ikey(key);
+ return BaseType::GetAlt(ikey, pvalue);
+ }
+ // Pointer-returning get variety.
+ const U* GetCaseInsensitive(const String& key) const
+ {
+ String::NoCaseKey ikey(key);
+ return BaseType::GetAlt(ikey);
+ }
+ U* GetCaseInsensitive(const String& key)
+ {
+ String::NoCaseKey ikey(key);
+ return BaseType::GetAlt(ikey);
+ }
+
+
+ typedef typename BaseType::Iterator base_iterator;
+
+ base_iterator FindCaseInsensitive(const String& key)
+ {
+ String::NoCaseKey ikey(key);
+ return BaseType::FindAlt(ikey);
+ }
+
+ // Set just uses a find and assigns value if found. The key is not modified;
+ // this behavior is identical to Flash string variable assignment.
+ void SetCaseInsensitive(const String& key, const U& value)
+ {
+ base_iterator it = FindCaseInsensitive(key);
+ if (it != BaseType::End())
+ {
+ it->Second = value;
+ }
+ else
+ {
+ BaseType::Add(key, value);
+ }
+ }
+};
+
+} // OVR
+
+#endif
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