collection.h

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/*      Collection.h - MAXScript Collection classes
 *
 *      Copyright (c) John Wainwright, 1996
 *      
 *
 */

#pragma once

class PathName;
#include "..\kernel\value.h" // for value_vf

class Collection
{
public:
#   define  is_collection(v) ((v)->_is_collection())

    virtual Value* map_path(PathName* path, value_vf vfn_ptr, value_cf cfn_ptr, Value** arg_list, int count);
    virtual Value* find_first(BOOL (*test_fn)(INode* node, int  level, void* arg), void* test_arg);
    virtual Value* get_path(PathName* path_name);
};

class SelectionIterator
{
public:
#   define  is_selection(v) ((v)->_is_selection())
    virtual int next() { return -1; }
    virtual BOOL more() { return FALSE; }
    virtual void rewind() { }
    virtual BOOL selected(int index) { UNUSED_PARAM(index); return FALSE; }
};