plugins/org.eclipse.dltk.javascript.rhino.dbgp/src/org/eclipse/dltk/rhino/dbgp/StackGetCommand.java

/**
 *
 */
package org.eclipse.dltk.rhino.dbgp;

import java.io.File;
import java.util.HashMap;

final class StackGetCommand extends DBGPDebugger.Command {
	/**
	 *
	 */
	private final DBGPDebugger debugger;

	/**
	 * @param debugger
	 */
	StackGetCommand(DBGPDebugger debugger) {
		this.debugger = debugger;
	}

	@Override
	void parseAndExecute(String command, final HashMap options) {
		String string = (String) options.get("-d");
		int level = -1;
		if (string != null) {
			level = Integer.parseInt(string);
		}
		StringBuffer stack = new StringBuffer();
		if (this.debugger.stackmanager.getStackDepth() >= level) {
			if (level == -1) {
				for (int a = 0; a < this.debugger.stackmanager
						.getStackDepth(); a++) {
					appendLevel(a, stack);
				}
			} else {

				appendLevel(level, stack);
			}
			this.debugger.printResponse("<response command=\"stack_get\"\r\n"
					+ "\r\n" + "          transaction_id=\"" + options.get("-i")
					+ "\">\r\n" +

					stack + "</response>\r\n" + "");
		}

	}

	private void appendLevel(int level, StringBuffer stack) {
		DBGPDebugFrame stackFrame = this.debugger.stackmanager
				.getStackFrame(level);
		stack.append("<stack level=\"" + level + "\"\r\n"
				+ "           type=\"file\"\r\n" + "           filename=\""
				+ new File(stackFrame.getSourceName()).toURI().toASCIIString()
				+ "\"\r\n" + "           lineno=\""
				+ (stackFrame.getLineNumber()) + "\"\r\n"
				+ "           where=\"" + stackFrame.getWhere() + "\"\r\n"
				+ "           cmdbegin=\"" + stackFrame.getLineNumber()
				+ ":0\"\r\n" + "           cmdend=\""
				+ stackFrame.getLineNumber() + ":-1\"/>");
	}
}