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/*
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Copyright (c) 2012, Oliver Woodford
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __CLASS_HANDLE_HPP__
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#define __CLASS_HANDLE_HPP__
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#include "mex.h"
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#include <stdint.h>
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#include <string>
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#include <cstring>
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#include <typeinfo>
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#define CLASS_HANDLE_SIGNATURE 0xFF00F0A5
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template<class base> class class_handle
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{
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public:
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class_handle(base *ptr) : ptr_m(ptr), name_m(typeid(base).name()) { signature_m = CLASS_HANDLE_SIGNATURE; }
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~class_handle() { signature_m = 0; delete ptr_m; }
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bool isValid() { return ((signature_m == CLASS_HANDLE_SIGNATURE) && !strcmp(name_m.c_str(), typeid(base).name())); }
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base *ptr() { return ptr_m; }
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private:
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uint32_t signature_m;
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std::string name_m;
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base *ptr_m;
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};
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template<class base> inline mxArray *convertPtr2Mat(base *ptr)
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{
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mexLock();
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mxArray *out = mxCreateNumericMatrix(1, 1, mxUINT64_CLASS, mxREAL);
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*((uint64_t *)mxGetData(out)) = reinterpret_cast<uint64_t>(new class_handle<base>(ptr));
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return out;
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}
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template<class base> inline class_handle<base> *convertMat2HandlePtr(const mxArray *in)
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{
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if (mxGetNumberOfElements(in) != 1 || mxGetClassID(in) != mxUINT64_CLASS || mxIsComplex(in))
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mexErrMsgTxt("Input must be a real uint64 scalar.");
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class_handle<base> *ptr = reinterpret_cast<class_handle<base> *>(*((uint64_t *)mxGetData(in)));
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if (!ptr->isValid())
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mexErrMsgTxt("Handle not valid.");
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return ptr;
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}
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template<class base> inline base *convertMat2Ptr(const mxArray *in)
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{
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return convertMat2HandlePtr<base>(in)->ptr();
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}
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template<class base> inline void destroyObject(const mxArray *in)
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{
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delete convertMat2HandlePtr<base>(in);
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mexUnlock();
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}
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#endif // __CLASS_HANDLE_HPP__
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