SOP/SOP_BlindData.h

/*
 * Copyright (c) 2025
 *      Side Effects Software Inc.  All rights reserved.
 *
 * Redistribution and use of Houdini Development Kit samples in source and
 * binary forms, with or without modification, are permitted provided that the
 * following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. The name of Side Effects Software may not be used to endorse or
 *    promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY SIDE EFFECTS SOFTWARE `AS IS' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
 * NO EVENT SHALL SIDE EFFECTS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *----------------------------------------------------------------------------
 * BlindData SOP.  This example shows how to save private data to a HIP file.
 */


#ifndef __SOP_BlindData_h__
#define __SOP_BlindData_h__

#include <SOP/SOP_Node.h>
#include <UT/UT_IStream.h>

namespace HDK_Sample {
class SOP_BlindData : public SOP_Node
{
public:
             SOP_BlindData(OP_Network *net, const char *name, OP_Operator *op);
            ~SOP_BlindData() override;

    static PRM_Template          myTemplateList[];
    static OP_Node              *myConstructor(OP_Network*, const char *,
                                                            OP_Operator *);

protected:
    const char         *inputLabel(OP_InputIdx idx) const override;
    OP_ERROR            cookMySop(OP_Context &context) override;

    OP_ERROR            save(std::ostream &os,
                             const OP_SaveFlags &flags,
                             const char *path_prefix,
                             const UT_StringHolder &name_override = UT_StringHolder()
                             ) override;
    bool                load(UT_IStream &is,
                             const char *extension,
                             const char *path) override;
private:

    int                 loadPrivateData(UT_IStream &is);
    int                 savePrivateData(std::ostream &os, int binary);
};
} // End HDK_Sample namespace

#endif