TS/TS_KernelList.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Mark Elendt
 *      Side Effects Software Inc
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        TS_KernelList.h ( TS Library, C++)
 *
 * COMMENTS:    Kernel definitions for TS library.  This class provides a
 *              mechanism to extend the kernel definitions as well as to access
 *              the definitions.
 *
 * WARNING:     Each kernel must begin with a unique character.  This
 *              restriction may be removed in the future.  The kernel tokens
 *              are case sensitive.
 */

#ifndef __TS_KernelList__
#define __TS_KernelList__

#include "TS_API.h"
#include <UT/UT_PtrArray.h>

class TS_MetaKernel;

//
// This is the file where you should install custom kernel functions.  For
// example, install this file in $HOME/houdiniX.X/MetaKernels where X.X is your
// Houdini major.minor version.
// The file should contain the path to the kernel table where your .so/.dll
// file is located relative to the search paths in the HOUDINI_DSO_PATH
// environment variable. For example:
//
//      # Kernel extension table
//      TS_MyKernel.so
//
// In this case, you could install the TS_MyKernel.so file in
// $HOME/houdiniX.X/dso.  The newMetaKernel() function should look like:
//      void newMetaKernel()
//      { TS_KernelList::getList()->addKernel(&myKernel); }
//
#define TS_KERNEL_TABLE_FILE    "MetaKernels"

extern "C" {
    DLLEXPORT extern void       newMetaKernel();
};

class TS_API TS_KernelList {
public:
    static TS_KernelList        *getList();

    int                  getEntries() const     { return myKernels.entries(); }
    TS_MetaKernel       *getKernel(int i);
    TS_MetaKernel       *getKernel(const char *token);

    void                 addKernel(TS_MetaKernel *kernel);
    void                 removeKernel(TS_MetaKernel *kernel);
    void                 removeKernel(const char *token);
private:
     TS_KernelList();
#ifdef LINUX
    public:
    ~TS_KernelList();
    private:
#else
    ~TS_KernelList();
#endif

    UT_PtrArray<TS_MetaKernel *>        myKernels;
};

#endif

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