edu.utep.cs.jasg.specificationGenerator.documentGenerator.SpecificationGenerator.java Source code

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Here is the source code for edu.utep.cs.jasg.specificationGenerator.documentGenerator.SpecificationGenerator.java

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/*******************************************************************************
 * Copyright (c) 2012 Cesar Yeep.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the BSD 3-Clause License
 * ("New BSD" or "BSD Simplified") which accompanies this distribution,
 * and is available at
 * http://opensource.org/licenses/BSD-3-Clause
 * 
 * Contributors:
 *     Cesar Yeep - initial API and implementation
 ******************************************************************************/
package edu.utep.cs.jasg.specificationGenerator.documentGenerator;

import org.jdom2.Element;

import edu.utep.cs.jasg.FileFactory;

/** Creates a JastAdd specification file. */
public class SpecificationGenerator {

    private static final String DEFAULT_PARSER = "beaver";
    private static final String DEFAULT_SCANNER = "jflex";
    private String nameSpace;
    private FileFactory fileFactory;

    public SpecificationGenerator(FileFactory fileFactory, String nameSpace) {
        this.fileFactory = fileFactory;
        this.nameSpace = nameSpace;
    }

    public void generateSpecification(String type, Element documentContent) throws DocumentGeneratorException {
        String fileName = "";
        String document = "";

        Element fileNameElement = documentContent.getChild("fileName");
        if (fileNameElement != null)
            fileName = fileNameElement.getText();
        else
            fileName = nameSpace;

        //Select document type
        switch (type) {
        case "parser": {
            ParserDocumentFactory parserDocumentFactory;
            String template = "";

            Element templateElement = documentContent.getChild("template");
            if (templateElement != null)
                template = templateElement.getText();
            else
                template = DEFAULT_PARSER;

            //Select parser document type
            switch (template) {
            //This is a JastAdd beaver specification template
            case "beaver": {
                parserDocumentFactory = new BeaverDocumentFactory(documentContent, template);
                document = parserDocumentFactory.generateDocument();
                if (fileName != null)
                    fileFactory.createFile(document, nameSpace, fileName, type);
                break;
            }
            default:
                throw new DocumentGeneratorException("Invalid template name: " + template);
            }
            break;
        }

        case "scanner": {
            ScannerDocumentFactory scannerDocumentFactory;
            String template = "";

            Element templateElement = documentContent.getChild("template");
            if (templateElement != null)
                template = templateElement.getText();
            else
                template = DEFAULT_SCANNER;

            //Select scanner document type
            switch (template) {
            //this is really a slim jflex template
            case "jflex": {
                scannerDocumentFactory = new JFlexDocumentFactory(documentContent, template);
                document = scannerDocumentFactory.generateDocument();
                if (fileName != null)
                    fileFactory.createFile(document, nameSpace, fileName, "flex");
                break;

            }
            default:
                throw new DocumentGeneratorException("Invalid template name: " + template);
            }
            break;
        }

        case "AST": {
            ASTDocumentFactory astDocumentFactory = new ASTDocumentFactory(documentContent);
            document = astDocumentFactory.generateDocument();
            if (fileName != null)
                fileFactory.createFile(document, nameSpace, fileName, "ast");
            break;

        }

        case "ASTBehavior": {
            ASTBehaviorDocumentFactory astBehaviorDocumentFactory = new ASTBehaviorDocumentFactory(documentContent);
            document = astBehaviorDocumentFactory.generateDocument();
            if (fileName != null)
                fileFactory.createFile(document, nameSpace, fileName, "jrag");
            break;

        }
        default:
            throw new DocumentGeneratorException("Invalid document type: " + type);
        }
    }
}