From: mike <mike>
Date: Thu, 31 Oct 2002 22:23:19 +0000 (+0000)
Subject: Oops -- forgot to add Utils.java.  Now added.
X-Git-Tag: v1.5~251
X-Git-Url: http://lists.indexdata.dk/?a=commitdiff_plain;h=54de1464561d3b0cba5b89fd93b393550ee47e6b;p=cql-java-moved-to-github.git

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
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/&/&amp;/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();
+    }
+}