implements gdb "info threads" parsing

debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/output/MIInfoThreadsInfo.java

@@ -0,0 +1,81 @@
+/*
+ * (c) Copyright QNX Software Systems Ltd. 2002.
+ * All Rights Reserved.
+ */
+package org.eclipse.cdt.debug.mi.core.output;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * GDB/MI thread list parsing.
+~"\n"
+~"     2 Thread 2049 (LWP 29354)  "
+~"* 1 Thread 1024 (LWP 29353)  "
+
+ */
+public class MIInfoThreadsInfo extends MIInfo {
+
+	int[] threadIds;
+	int currentThreadId;
+
+	public MIInfoThreadsInfo(MIOutput out) {
+		super(out);
+		parse();
+	}
+
+	public int[] getThreadIds() {
+		return threadIds;
+	}
+
+	public int getCurrentThread() {
+		return currentThreadId;
+	}
+
+	void parse() {
+		List aList = new ArrayList();
+		if (isDone()) {
+			MIOutput out = getMIOutput();
+			MIOOBRecord[] oobs = out.getMIOOBRecords();
+			for (int i = 0; i < oobs.length; i++) {
+				if (oobs[i] instanceof MIConsoleStreamOutput) {
+					MIStreamRecord cons = (MIStreamRecord) oobs[i];
+					String str = cons.getString();
+					// We are interested in finding the current thread
+					parseThreadInfo(str.trim(), aList);
+				}
+			}
+		}
+		threadIds = new int[aList.size()];
+		for (int i = 0; i < aList.size(); i++) {
+			threadIds[i] = ((Integer) aList.get(i)).intValue();
+		}
+	}
+
+	void parseThreadInfo(String str, List aList) {
+		if (str.length() > 0) {
+			boolean isCurrentThread = false;
+			// Discover the current thread
+			if (str.charAt(0) == '*') {
+				isCurrentThread = true;
+				str = str.substring(1).trim();
+			}
+			// Fetch the threadId
+			if (str.length() > 0 && Character.isDigit(str.charAt(0))) {
+				int i = 1;
+				while (i < str.length() && Character.isDigit(str.charAt(i))) {
+					i++;
+				}
+				String number = str.substring(0, i);
+				try {
+					Integer num = Integer.valueOf(number);
+					aList.add(num);
+					if (isCurrentThread) {
+						currentThreadId = num.intValue();
+					}
+				} catch (NumberFormatException e) {
+				}
+			}
+		}
+	}
+}