Added a class for performing EWTS->Unicode conversions during XSLT

transformations.  I haven't actually used it with Xalan XSLT yet, but
it ought to work if TibetanHTML did (which it must have at one point).

I do have a unit test, but an end-to-end test with Xalan is what we
need.

source/org/thdl/tib/text/ttt/EwtsToUnicodeForXsltTest.java

@@ -0,0 +1,79 @@
+/*
+The contents of this file are subject to the THDL Open Community License
+Version 1.0 (the "License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License on the THDL web site 
+(http://www.thdl.org/).
+
+Software distributed under the License is distributed on an "AS IS" basis, 
+WITHOUT WARRANTY OF ANY KIND, either express or implied. See the 
+License for the specific terms governing rights and limitations under the 
+License. 
+
+The Initial Developer of this software is the Tibetan and Himalayan Digital
+Library (THDL). Portions created by the THDL are Copyright 2005 THDL.
+All Rights Reserved. 
+
+Contributor(s): ______________________________________.
+*/
+
+package org.thdl.tib.text.ttt;
+
+import junit.framework.TestCase;
+
+import org.thdl.util.ThdlOptions;
+
+/** Tests EwtsToUnicodeForXslt at the unit level.  For such a class, a
+ *  much more important test is one that actually uses XSLT.
+ *  TODO(dchandler): write such a test.  You may even be able to use
+ *  JUnit for it.
+ *
+ *  @author David Chandler */
+public class EwtsToUnicodeForXsltTest extends TestCase {
+
+    /** Invokes a text UI and runs all this class's tests. */
+    public static void main(String[] args) {
+        junit.textui.TestRunner.run(EwtsToUnicodeForXsltTest.class);
+    }
+
+    protected void setUp() {
+        // We don't want to use options.txt:
+        ThdlOptions.forTestingOnlyInitializeWithoutDefaultOptionsFile();
+
+        ThdlOptions.setUserPreference("thdl.acip.to.tibetan.warning.and.error.severities.are.built.in.defaults", "true");
+        ThdlOptions.setUserPreference("thdl.acip.to.tibetan.warning.severity.507", "Most");
+        ErrorsAndWarnings.setupSeverityMap();
+
+        // We don't want to load the TM or TMW font files ourselves:
+        ThdlOptions.setUserPreference("thdl.rely.on.system.tmw.fonts", true);
+        ThdlOptions.setUserPreference("thdl.rely.on.system.tm.fonts", true);
+        ThdlOptions.setUserPreference("thdl.debug", true);
+    }
+
+
+    public EwtsToUnicodeForXsltTest() { }
+
+    private static void help(String ewts, String expected) {
+        String actual = EwtsToUnicodeForXslt.convertEwtsTo(ewts);
+        assertEquals(expected, actual);
+    }
+
+    public void testIt() throws java.io.IOException {
+        help("ga",
+             "\u0f42");
+        help("\u0f00\u0f01\u0f02 \u0f03 \u0fcf",
+             "\u0f00\u0f01\u0f02\u0f0b\u0f03\u0f0b"
+             + "\u0fcf");
+// TODO(dchandler): I think EWTS->Tibetan ought to not give errors
+// about the disambiguators here:
+//         help("\u0f00.\u0f01.\u0f02 \u0f03 \u0fcf",
+//              "\u0f00\u0f01\u0f02\u0f0b\u0f03\u0f0b"
+//              + "\u0fcf");
+        help("k+Shu+A+i+o+eHM",
+             "\u0f40\u0fb5\u0f71\u0f74\u0f72\u0f7a\u0f7c\u0f7e"
+             + "\u0f7f");
+        help(" . ",
+             "\u0f0b[#ERROR 130: The tsheg bar (\"syllable\") {.} is"
+             + " essentially nothing.]\u0f0b");
+    }
+}
+