Package org.python.pydev.refactoring.ast.adapters.offsetstrategy

Source Code of org.python.pydev.refactoring.ast.adapters.offsetstrategy.BeginOffset

/*
* Copyright (C) 2006, 2007  Dennis Hunziker, Ueli Kistler
* Copyright (C) 2007  Reto Schuettel, Robin Stocker
*
* IFS Institute for Software, HSR Rapperswil, Switzerland
*
*/

package org.python.pydev.refactoring.ast.adapters.offsetstrategy;

import org.eclipse.jface.text.IDocument;
import org.python.pydev.core.log.Log;
import org.python.pydev.parser.jython.ISpecialStr;
import org.python.pydev.parser.jython.SimpleNode;
import org.python.pydev.parser.jython.ast.ClassDef;
import org.python.pydev.parser.jython.ast.Str;
import org.python.pydev.parser.jython.ast.factory.AdapterPrefs;
import org.python.pydev.parser.visitors.FindLastLineVisitor;
import org.python.pydev.parser.visitors.NodeUtils;
import org.python.pydev.refactoring.ast.adapters.IASTNodeAdapter;


public class BeginOffset extends AbstractOffsetStrategy {

    public BeginOffset(IASTNodeAdapter<? extends SimpleNode> adapter, IDocument doc, AdapterPrefs adapterPrefs) {
        super(adapter, doc, adapterPrefs);
    }

    protected int getLine() {
        SimpleNode node = adapter.getASTNode();
        if (nodeHelper.isClassDef(node)) {
            ClassDef classNode = (ClassDef) node;
            Str strNode = NodeUtils.getNodeDocStringNode(node);

            if (strNode != null) {
                return NodeUtils.getLineEnd(strNode);
            }

            FindLastLineVisitor findLastLineVisitor = new FindLastLineVisitor();
            try {
                classNode.name.accept(findLastLineVisitor);
                if (classNode.bases != null) {
                    for (SimpleNode n : classNode.bases) {
                        n.accept(findLastLineVisitor);
                    }
                }
                SimpleNode lastNode = findLastLineVisitor.getLastNode();
                ISpecialStr lastSpecialStr = findLastLineVisitor.getLastSpecialStr();
                if (lastSpecialStr != null
                        && (lastSpecialStr.toString().equals(":") || lastSpecialStr.toString().equals(")"))) {
                    // it was an from xxx import (euheon, utehon)
                    return lastSpecialStr.getBeginLine();
                } else {
                    return lastNode.beginLine;
                }
            } catch (Exception e) {
                Log.log(e);
            }

        }

        int startLine = adapter.getNodeFirstLine() - 1;
        if (startLine < 0) {
            startLine = 0;
        }
        return startLine;
    }
}
TOP

Related Classes of org.python.pydev.refactoring.ast.adapters.offsetstrategy.BeginOffset

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.