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Diffstat (limited to 'tests/manual/kinectsurface/QtKinectWrapper/OpenNI/Include/XnStringsHash.h')
| -rw-r--r-- | tests/manual/kinectsurface/QtKinectWrapper/OpenNI/Include/XnStringsHash.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/tests/manual/kinectsurface/QtKinectWrapper/OpenNI/Include/XnStringsHash.h b/tests/manual/kinectsurface/QtKinectWrapper/OpenNI/Include/XnStringsHash.h new file mode 100644 index 00000000..ec875133 --- /dev/null +++ b/tests/manual/kinectsurface/QtKinectWrapper/OpenNI/Include/XnStringsHash.h @@ -0,0 +1,118 @@ +/**************************************************************************** +* * +* OpenNI 1.x Alpha * +* Copyright (C) 2011 PrimeSense Ltd. * +* * +* This file is part of OpenNI. * +* * +* OpenNI is free software: you can redistribute it and/or modify * +* it under the terms of the GNU Lesser General Public License as published * +* by the Free Software Foundation, either version 3 of the License, or * +* (at your option) any later version. * +* * +* OpenNI 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 Lesser General Public License for more details. * +* * +* You should have received a copy of the GNU Lesser General Public License * +* along with OpenNI. If not, see <http://www.gnu.org/licenses/>. * +* * +****************************************************************************/ +#ifndef _XN_STRINGS_HASH_H +#define _XN_STRINGS_HASH_H + +//--------------------------------------------------------------------------- +// Includes +//--------------------------------------------------------------------------- +#include "XnHash.h" +#include <XnOS.h> + +//--------------------------------------------------------------------------- +// Types +//--------------------------------------------------------------------------- +class XnStringsKeyManager +{ +public: + static XnHashValue Hash(const XnChar* const& key) + { + XnUInt32 nCRC = 0; + xnOSStrCRC32(key, &nCRC); + + // convert from UINT32 to XnHashValue + return nCRC % (1 << (sizeof(XnHashValue)*8)); + } + + static XnInt32 Compare(const XnChar* const& key1, const XnChar* const& key2) + { + return strcmp(key1, key2); + } +}; + +class XnStringsKeyTranslator +{ +public: + static XnValue CreateValueCopy(const XnChar* const& orig) + { + // we should copy string, so we can keep the key + XnUInt32 nLen = xnOSStrLen(orig) + 1; // with null termination + XnChar* pcKey = (XnChar*)xnOSMalloc(nLen); + xnOSStrCopy(pcKey, orig, nLen); + return (pcKey); + } + + static void FreeValue(XnValue& Value) + { + XnChar* pcKey = (XnChar*)Value; + xnOSFree(pcKey); + } + + static XnValue GetAsValue(const XnChar* const& orig) + { + return (XnValue)orig; + } + + static const XnChar* const& GetFromValue(const XnValue& Value) + { + return (const XnChar* const&)Value; + } + + static const XnChar*& GetFromValue(XnValue& Value) + { + return (const XnChar*&)Value; + } +}; + +/** +* Declares a hash table from strings to @a ValueType that's named @a ClassName and uses @a ValueTranslator +* to translate values. It is declared using the @a decl declspec. +*/ +#define XN_DECLARE_STRINGS_HASH_WITH_TRANSLATOR_DECL(decl, ValueType, ClassName, ValueTranslator) \ + XN_DECLARE_HASH_DECL(decl, const XnChar*, ValueType, ClassName, XnStringsKeyTranslator, ValueTranslator, XnStringsKeyManager) \ + +/** +* Declares a hash table from strings to @a ValueType that's named @a ClassName and uses @a ValueTranslator +* to translate values. +*/ +#define XN_DECLARE_STRINGS_HASH_WITH_TRANSLATOR(ValueType, ClassName, ValueTranslator) \ + XN_DECLARE_STRINGS_HASH_WITH_TRANSLATOR_DECL(, ValueType, ClassName, ValueTranslator) + +/** +* Declares a hash table from strings to @a ValueType that's named @a ClassName and uses default translator +* to translate values. It is declared using the @a decl declspec. +*/ +#define XN_DECLARE_STRINGS_HASH_DECL(decl, ValueType, ClassName) \ + XN_DECLARE_DEFAULT_VALUE_TRANSLATOR_DECL(decl, ValueType, XN_DEFAULT_TRANSLATOR_NAME(ClassName)) \ + XN_DECLARE_STRINGS_HASH_WITH_TRANSLATOR_DECL(decl, ValueType, ClassName, XN_DEFAULT_TRANSLATOR_NAME(ClassName)) \ + +/** +* Declares a hash table from strings to @a ValueType that's named @a ClassName and uses default translator +* to translate values. +*/ +#define XN_DECLARE_STRINGS_HASH(ValueType, ClassName) \ + XN_DECLARE_STRINGS_HASH_DECL(, ValueType, ClassName) + +XN_DECLARE_STRINGS_HASH(XnValue, XnStringsHash) + + +#endif //_XN_STRINGS_HASH_H |