From 17365c1bf397423e4973f5b431bea44bf199076a Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@lukeshu.com>
Date: Tue, 14 Mar 2017 00:46:04 -0400
Subject: match identification

---
 dslog/LogSet.java | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 dslog/LogSet.java

(limited to 'dslog/LogSet.java')

diff --git a/dslog/LogSet.java b/dslog/LogSet.java
new file mode 100644
index 0000000..e284eba
--- /dev/null
+++ b/dslog/LogSet.java
@@ -0,0 +1,74 @@
+package dslog;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.function.Supplier;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.ArrayList;
+
+public class LogSet {
+	public final String name;
+	public LogSet(String name) {
+		this.name = name;
+	}
+	public Path dslogPath, dseventsPath, pdplogPath;
+
+	public String toString() {
+		return name+" "+verstr(this::dslog)+"/"+verstr(this::dsevents)+"/"+verstr(this::pdplog);
+	}
+
+	
+	private static final Pattern fmsConnected = Pattern.compile("^FMS Connected:   (?<matchname>[A-Za-z].+) - (?<matchnumber>[0-9:]+), Field Time: (?<fieldtime>[0-9/]+ [0-9:]+)$");
+
+	public String[] matches() throws IOException {
+		ArrayList<String> matches = new ArrayList<String>();
+		try (DseventsReader dsevents = dsevents()) {
+			if (dsevents == null) {
+				return matches.toArray(new String[matches.size()]);
+			}
+			while (dsevents.hasNext()) {
+				DseventsReader.Event event = dsevents.next();
+				// do a (cheap) `.startsWith` check before doing an (expensive) regex  check.
+				if (event.message.startsWith("FMS Connected:")) {
+					Matcher m = fmsConnected.matcher(event.message);
+					if (m.matches()) {
+						matches.add(m.group("matchname") + " - " + m.group("matchnumber"));
+					}
+				}
+			}
+		}
+		return matches.toArray(new String[matches.size()]);
+	}
+
+	private static String verstr(Versioned.Supplier getter) {
+		try (Versioned thing = getter.get()) {
+			if (thing == null) {
+				return "␕";
+			}
+			return ""+thing.version();
+		} catch (IOException e) {
+			return "☠";
+		}
+	}
+
+	public DslogReader dslog() throws IOException {
+		if (dslogPath == null) {
+			return null;
+		}
+		return new DslogReader(Files.newInputStream(dslogPath));
+	}
+	public DseventsReader dsevents() throws IOException {
+		if (dseventsPath == null) {
+			return null;
+		}
+		return new DseventsReader(Files.newInputStream(dseventsPath));
+	}
+	public PdplogReader pdplog() throws IOException {
+		if (pdplogPath == null) {
+			return null;
+		}
+		return new PdplogReader(Files.newInputStream(pdplogPath));
+	}
+}
-- 
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