OP/OP_PropertyLookupList.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:
 *      Side Effects Software Inc
 *      123 Front Street West, Suite 1401
 *      Toronto, Ontario
 *      Canada   M5J 2M2
 *      416-504-9876
 *
 * NAME:        OP_PropertyLookupList.h ( OP Library, C++)
 *
 * COMMENTS:    Class used to perform batch lookup of parameters/properties.
 *              The list should be initialized with the parameter names.
 *              Calling OP_Parameters::lookupParameterOrProperties() will fill
 *              out the objects and parameter information.
 */

#ifndef __OP_PropertyLookupList__
#define __OP_PropertyLookupList__

#include "OP_API.h"

#include <UT/UT_PtrArray.h>

class OP_Node;
class PRM_Parm;

class OP_API OP_PropertyLookupList {
public:
     OP_PropertyLookupList()    {}
    ~OP_PropertyLookupList()    {}

    void        reserve(int size)               // Reserve space for parameters
                {
                    myNames.resizeIfNeeded(size);
                    mySrcNodes.resizeIfNeeded(size);
                    myNodes.resizeIfNeeded(size);
                    myParmPtrs.resizeIfNeeded(size);
                    myLookupData.resizeIfNeeded(size);
                }
    void        clear()
                {
                    myNames.entries(0);
                    mySrcNodes.entries(0);
                    myNodes.entries(0);
                    myParmPtrs.entries(0);
                    myLookupData.entries(0);
                }

    // The names are passed by reference and must be maintained by the caller.
    // The strings are *not* duplicated in this list.
    void         addParm(const char *name, OP_Node *src, void *data)
                 {
                    myNames.append(name);
                    mySrcNodes.append(src);
                    myNodes.append((OP_Node *)0);
                    myParmPtrs.append((PRM_Parm *)0);
                    myLookupData.append(data);
                 }
    int          entries() const                { return myNames.entries(); }
    const char  *getName(int i) const           { return myNames(i); }
    OP_Node     *getSourceNode(int i) const     { return mySrcNodes(i); }

    // After the lookup has been performed, the following methods may be called
    bool         isFound(int i) const           { return myNodes(i) != 0; }
    OP_Node     *getNode(int i) const           { return myNodes(i); }
    PRM_Parm    *getParmPtr(int i) const        { return myParmPtrs(i); }
    void        *getLookupData(int i) const     { return myLookupData(i); }

    // The following method is 
    void         setLookupInfo(int i, OP_Node *node, PRM_Parm *parm)
                 {
                    UT_ASSERT(i >= 0 && i < myNodes.entries());
                    myNodes(i) = node;
                    myParmPtrs(i) = parm;
                 }

private:
    UT_PtrArray<const char *>   myNames;
    UT_PtrArray<OP_Node *>      mySrcNodes;
    UT_PtrArray<OP_Node *>      myNodes;
    UT_PtrArray<PRM_Parm *>     myParmPtrs;
    UT_PtrArray<void *>         myLookupData;
};

#endif

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