exploring/propertytable/main.cxx

Refer to the Property Table Example.

// ****************************************************************************
// $Id$
//
// Copyright (C) 2008-2014, Roman Lygin. All rights reserved.
// Copyright (C) 2014-2023, CADEX. All rights reserved.
//
// This file is part of the CAD Exchanger software.
//
// You may use this file under the terms of the BSD license as follows:
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
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//   this list of conditions and the following disclaimer in the documentation
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// ****************************************************************************
 
 
#include <cadex/Base_String.hxx>
#include <cadex/LicenseManager_Activate.h>
#include <cadex/ModelData_Assembly.hxx>
#include <cadex/ModelData_Body.hxx>
#include <cadex/ModelData_BodyList.hxx>
#include <cadex/ModelData_BRepRepresentation.hxx>
#include <cadex/ModelData_Instance.hxx>
#include <cadex/ModelData_ModelReader.hxx>
#include <cadex/ModelData_Part.hxx>
#include <cadex/ModelData_PropertyTable.hxx>
#include <cadex/ModelData_Shape.hxx>
#include <iostream>
#include <vector>
 
#include "../../cadex_license.cxx"
 
 
using namespace std;
using namespace cadex;
 
// Print only I32 and double properties. Should be extended to print other supported properties (I64, float, etc)
class PropertyVisitor : public ModelData_PropertyTable::VoidVisitor
{
public:
 
    PropertyVisitor()
    {
        cout << "\nProperty table: " << endl;
    }
 
    void operator() (PropertyNameConstReference theName, I32 theValue) override
    {
        OutputData (theName, theValue);
    }
 
    void operator() (PropertyNameConstReference theName, double theValue) override
    {
        OutputData (theName, theValue);
    }
 
    void operator() (PropertyNameConstReference theName, const Base_UTF16String& theValue) override
    {
        OutputData (theName, theValue);
    }
 
protected:
 
    template <typename T>
    void OutputData (PropertyNameConstReference& theName, T theValue)
    {
        cout << theName << ": " << theValue << endl;
    }
};
 
static void ExplorePropertyTable (const ModelData_PropertyTable& thePT)
{
    // Traverse property table
    PropertyVisitor aPropVisitor;
    thePT.Accept (aPropVisitor);
}
 
class SubshapePropertiesVisitor : public ModelData_BRepRepresentation::SubshapeVisitor
{
public:
 
    SubshapePropertiesVisitor (const ModelData_BRepRepresentation& theBRep) : myBRep (theBRep) {}
 
    vector<ModelData_PropertyTable> PropertyTables()
    {
        return myPTVector;
    }
 
protected:
 
    void operator() (const ModelData_Shape& theShape) override
    {
        ModelData_PropertyTable aPT = myBRep.PropertyTable (theShape);
        myPTVector.push_back (aPT);
    }
 
private:
 
    ModelData_BRepRepresentation myBRep;
    vector<ModelData_PropertyTable> myPTVector;
};
 
class PropertiesVisitor : public ModelData_Model::CombinedElementVisitor
{
protected:
 
    void operator() (const ModelData_Part& thePart) override
    {
        ModelData_PropertyTable aPT = thePart.Properties();
        ExplorePropertyTable (aPT);
 
        const ModelData_BRepRepresentation& aBRep = thePart.BRepRepresentation();
        if (aBRep) {
            SubshapePropertiesVisitor aVisitor (aBRep);
            aBRep.Accept (aVisitor);
 
            // Extract all PropertyTables from SubShapes in B-Rep and explore it
            vector<ModelData_PropertyTable> aPTVector = aVisitor.PropertyTables();
            for (size_t i = 0; i < aPTVector.size(); ++i) {
                ExplorePropertyTable (aPTVector[i]);
            }
        }
    }
 
    bool VisitEnter (const ModelData_SceneGraphElement& theElement) override
    {
        ModelData_PropertyTable aPT = theElement.Properties();
        ExplorePropertyTable (aPT);
 
        return true;
    }
};
 
int main (int argc, char *argv[])
{
    auto aKey = LicenseKey::Value();
 
    // Activate the license (aKey must be defined in cadex_license.cxx)
    if (!CADExLicense_Activate (aKey)) {
        cerr << "Failed to activate CAD Exchanger license." << endl;
        return 1;
    }
 
    // Get the input
    if (argc != 2) {
        cerr << "Usage: " << argv[0] << " <input_file>, where:" << endl;
        cerr << "    <input_file> is a name of the XML file to be read" << endl;
        return 1;
    }
 
    const char* aSource = argv[1];
 
    ModelData_Model aModel;
 
    if (!ModelData_ModelReader().Read (aSource, aModel)) {
        cerr << "Failed to read the file " << aSource << endl;
        return 1;
    }
 
    PropertiesVisitor aVisitor;
    aModel.Accept (aVisitor);
 
    return 0;
}