-package ibex.xt;
+package org.ibex.xt;
import java.io.StringReader;
import java.io.Writer;
+import java.io.OutputStream;
import java.io.IOException;
-
import java.util.*;
-import ibex.util.*;
-import ibex.js.JS;
-import ibex.js.JSScope;
+import org.ibex.util.*;
+import org.ibex.js.JS;
+import org.ibex.js.JSScope;
+import org.ibex.js.JSExn;
public class JSElement extends JSScope implements XML.Element {
protected XML.Element wrapped;
// remap parent and children
if (wrapped.getParent() != null) {
List c = wrapped.getParent().getChildren();
- c.remove(wrapped); c.add(this);
+ c.set(c.indexOf(wrapped), this);
}
List c = wrapped.getChildren();
- for (int i=c.size(); i >= 0; i--) ((XML.Block)c.get(i)).setParent(this);
+ for (int i=0; i < c.size(); i++) ((Tree.Leaf)c.get(i)).setParent(this);
}
- public void toXML(Writer w) throws IOException {
- // grab all related attributes
- try {
- XML.Attributes a = getAttributes();
- for(int i=0; i < a.attrSize(); i++) {
- if (!"http://xt.ibex.org/".equals(a.getUri(i))) continue;
- declare(a.getKey(i));
- put(a.getKey(i), eval(a.getVal(i)));
- }
- } catch (Exception e) { throw new RuntimeException(e); }
- }
+ public void out(OutputStream o) throws IOException { wrapped.out(o); }
+ public void out(Writer w) throws IOException { wrapped.out(w); }
- private Object eval(String s) {
+ protected Object eval(String s) {
if (s == null) return null;
StringBuffer ret = new StringBuffer();
while (s.indexOf("${") != -1) {
app instanceof String ||
app instanceof Number ||
app instanceof Boolean))
- throw new RuntimeException("javascripts within ${...} can only return " +
- "strings, numbers, and booleans; not a " +
- app.getClass().getName());
+ throw new Exn("javascripts within ${...} can only return " +
+ "strings, numbers, and booleans; not a " +
+ app.getClass().getName());
ret.append(app == null ? "null" : app.toString());
}
try {
return JS.eval(JS.cloneWithNewParentScope(
JS.fromReader("input", 0, new StringReader(s)), this));
- } catch (Exception e) {
+ } catch (IOException e) {
e.printStackTrace();
- throw new RuntimeException(e);
+ throw new Exn("error parsing script", e);
+ } catch (JSExn e) {
+ throw new Exn(e);
}
}
// Pass Through ///////////////////////////////////////////////////////////
- public void setParent(XML.Element p) { wrapped.setParent(p); }
- public XML.Element getParent() { return wrapped.getParent(); }
+ public void setParent(Tree.Node p) { wrapped.setParent(p); }
+ public Tree.Node getParent() { return wrapped.getParent(); }
public XML.Attributes getAttributes() { return wrapped.getAttributes(); }
public XML.Prefixes getPrefixes() { return wrapped.getPrefixes(); }
public List getChildren() { return wrapped.getChildren(); }
public String getUri() { return wrapped.getUri(); }
/** Works up the Element object model until an instance of a JSScope is found. */
- private static JSScope findScope(XML.Element e) {
+ private static JSScope findScope(Tree.Node e) {
while (e != null && !(e instanceof JSScope)) e = e.getParent();
return (JSScope)e;
}
return i >= a.attrSize() ? b.getUri(i-a.attrSize()) : a.getUri(i); }
public int attrSize() { return a.attrSize() + b.attrSize(); }
}
+
+ public static class Exn extends RuntimeException {
+ public Exn(String cause) { super(cause); }
+ public Exn(JSExn e) { super(e); }
+ public Exn(String msg, Exception e) { super(msg + ": " + e.getMessage()); }
+ public String toString() { return "JSElement.Exn: "+getMessage(); }
+ }
}