Oops -- forgot to add Utils.java. Now added.

diff --git a/src/org/z3950/zing/cql/Utils.java b/src/org/z3950/zing/cql/Utils.java
new file mode 100644 (file)
index 0000000..3c06f7c
--- /dev/null
+++ b/src/org/z3950/zing/cql/Utils.java
@@ -0,0 +1,51 @@
+// $Id: Utils.java,v 1.1 2002-10-31 22:23:19 mike Exp $
+
+package org.z3950.zing.cql;
+
+
+/**
+ * Utility functions for the org.z3950.zing.cql package.
+ * ##
+ *
+ * @version    $Id: Utils.java,v 1.1 2002-10-31 22:23:19 mike Exp $
+ */
+class Utils {
+    static String indent(int level) {
+       String x = "";
+       while (level-- > 0) {
+           x += "  ";
+       }
+       return x;
+    }
+
+    // XML Quote --
+    // s/&/&/g;
+    // s/</&lt;/g;
+    // s/>/&gt;/g;
+    // This is hideously inefficient, but I just don't see a better
+    // way using the standard JAVA library.
+    //
+    static String xq(String str) {
+       str = replaceString(str, "&", "&amp;");
+       str = replaceString(str, "<", "&lt;");
+       str = replaceString(str, ">", "&gt;");
+       return str;
+    }
+
+    // I can't _believe_ I have to write this by hand in 2002 ...
+    static String replaceString(String str, String from, String to) {
+       StringBuffer sb = new StringBuffer();
+       int ix;                 // index of next `from'
+       int offset = 0;         // index of previous `from' + length(from)
+
+       while ((ix = str.indexOf(from, offset)) != -1) {
+           sb.append(str.substring(offset, ix));
+           sb.append(to);
+           offset = ix + from.length();
+       }
+
+       // End of string: append last bit and we're done
+       sb.append(str.substring(offset));
+       return sb.toString();
+    }
+}