/* ###
 * IP: GHIDRA
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package agent.gdb.manager.evt;

import agent.gdb.manager.parsing.GdbParsingUtils;
import agent.gdb.manager.parsing.GdbParsingUtils.GdbParseError;

/**
 * The event corresponding with "{@code =memory-changed}"
 */
public class GdbMemoryChangedEvent extends AbstractGdbEventWithFields {
	private final int iid;
	private final long addr;
	private final int len;

	/**
	 * Construct a new event by parsing the tail for information
	 * 
	 * <p>
	 * The thread group, start address, and length must be specified by GDB.
	 * 
	 * @param tail the text following the event type in the GDB/MI event record
	 * @throws GdbParseError if the tail cannot be parsed
	 */
	public GdbMemoryChangedEvent(CharSequence tail) throws GdbParseError {
		super(tail);
		this.iid = GdbParsingUtils.parseInferiorId(getInfo().getString("thread-group"));
		this.addr = GdbParsingUtils.parsePrefixedHex(getInfo().getString("addr"));
		this.len = (int) GdbParsingUtils.parsePrefixedHex(getInfo().getString("len"));
	}

	/**
	 * Get the inferior ID
	 * 
	 * @return the inferior ID
	 */
	public int getInferiorId() {
		return iid;
	}

	/**
	 * Get the starting address of the change
	 * 
	 * @return the starting address
	 */
	public long getAddress() {
		return addr;
	}

	/**
	 * Get the length of the change
	 * 
	 * @return the length
	 */
	public int getLength() {
		return len;
	}
}
