1 files changed, 106 insertions, 0 deletions
diff --git a/src/main/java/bjc/everge/ReplPairSet.java b/src/main/java/bjc/everge/ReplPairSet.java
new file mode 100644
index 0000000..3d173c7
--- /dev/null
+++ b/src/main/java/bjc/everge/ReplPairSet.java
@@ -0,0 +1,106 @@
+package bjc.everge;
+
+import java.io.*;
+
+import java.util.*;
+
+/**
+ * A set of ReplPairs, kept together for easy use
+ *
+ * @author Ben Culkin
+ */
+public class ReplPairSet {
+	// The list of pairs
+	private List<ReplPair> pairList;
+
+	/**
+	 * Create a new blank set of pairs.
+	 */
+	public ReplPairSet() {
+		pairList = new ArrayList<>();
+	}
+
+	/**
+	 * Create a new set of pairs using an existing list of pairs.
+	 *
+	 * Changes to the list of pairs will carry across to the ReplSet, so be careful
+	 * about that.
+	 *
+	 * @param list
+	 *            The list of pairs to use.
+	 */
+	public ReplPairSet(List<ReplPair> list) {
+		pairList = list;
+	}
+
+	/**
+	 * Load a ReplSet from a file.
+	 * 
+	 * @param fileName
+	 *              The file to load the ReplSet from.
+	 * @return A ReplSet, loaded from the file.
+	 * @throws IOException
+	 *                     if something goes badly reading it.
+	 */
+	public static ReplPairSet fromFile(String fileName) throws IOException {
+		ReplPairSet rs = new ReplPairSet();
+
+		try (FileInputStream fis = new FileInputStream(fileName);
+				Scanner scn = new Scanner(fis)) {
+			ReplPairParser parser = new ReplPairParser();
+			
+			rs.pairList = parser.readList(scn);
+		}
+
+		return rs;
+	}
+
+	/**
+	 * Adds more pairs to the ReplSet.
+	 *
+	 * @param pairs
+	 *             The pairs to add to the ReplSet.
+	 */
+	public void addPairs(List<ReplPair> pairs) {
+		for (ReplPair par : pairs) pairList.add(par);
+
+		// Resort the pairs into priority order
+		pairList.sort(null);
+	}
+
+	/**
+	 * Adds more pairs to the ReplSet.
+	 *
+	 * @param pars
+	 *             The pairs to add to the ReplSet.
+	 */
+	public void addPairs(ReplPair... pars) {
+		for (ReplPair par : pars) {
+			pairList.add(par);
+		}
+
+		// Resort the pairs into priority order
+		pairList.sort(null);
+	}
+
+	/**
+	 * Apply the ReplSet to a string.
+	 *
+	 * @param val
+	 *            The string to apply the ReplSet to.
+	 *
+	 * @return The result of applying the ReplSet.
+	 */
+	public String apply(String val) {
+		String ret = val;
+
+		for (ReplPair par : pairList) {
+			System.err.printf("Applying pair '%s' to string '%s' (original was '%s')\n", par, ret, val);
+			String tmp = par.apply(ret);
+
+			ret = tmp;
+		}
+
+		return ret;
+	}
+}