}
public static Node transform(Node n, Scope scope) {
- if (n.cdata != null) n.cdata = eval(n.cdata, scope).toString();
- else for(int i=1; i<n.numattrs*2; i+=2) n.attrs[i] = eval(n.attrs[i], scope).toString();
- return n;
+ try {
+ if (n.cdata != null) n.cdata = eval(n.cdata, scope).toString();
+ else for(int i=1; i<n.numattrs*2; i+=2) n.attrs[i] = eval(n.attrs[i], scope).toString();
+ return n;
+ } catch (JSExn e) { throw new RuntimeException(e); }
}
- private static Object eval(String s, Scope scope) {
+ private static Object eval(String s, Scope scope) throws JSExn {
if (s == null) return null;
StringBuffer ret = new StringBuffer();
for(boolean first = true; s.indexOf("${") != -1; first = false) {
ret.append(s.substring(0, s.indexOf("${")));
String s2 = s.substring(s.indexOf("${")+2);
- Object app = exec("return (" + s2.substring(0, s2.indexOf('}')) + ");\n", scope);
+ JS app = exec("return (" + s2.substring(0, s2.indexOf('}')) + ");\n", scope);
s = s.substring(s.indexOf('}') + 1);
//if (first && s.trim().length() == 0) return app;
- if (!(app == null || app instanceof String || app instanceof Number || app instanceof Boolean))
+ if (!(app == null || app instanceof JSPrimitive))
throw new RuntimeException("javascripts within ${...} can only return strings, numbers, and booleans; not a " +
app.getClass().getName());
- ret.append(app == null ? "null" : app.toString());
+ ret.append(app == null ? "null" : JSU.toString(app));
}
ret.append(s);
return ret.toString();
}
- public static Object exec(String s, Scope scope) {
+ public static JS exec(String s, Scope scope) {
try {
return JSU.cloneWithNewGlobalScope(JSU.fromReader("input", 0, new StringReader(s)), scope).call(null,null);
} catch (Exception e) {
public boolean __read(final Node n) {
if (!upstreamRead(n)) return false;
if (n.cdata != null) return true;
- final String uri = n.uri;
+ String uri = n.uri;
+ if (uri == null) uri = "http://www.w3.org/1999/xhtml"; // FIXME FIXME FIXME!!!!
final String name = n.name;
if (uri.indexOf(':') == -1)
throw new RuntimeException("uri does not contain a colon: " + uri + " (tag name " + name + ")");
} else if (method.equals("webinf")) {
return graft(newTemplate(servletscope, copyNodeToScope(transform(n, scope), new Scope(servletscope)),
servletscope.getRealPath("/") + "/WEB-INF/" + rest + name), n).upstreamRead(n);
+ } else if (uri.equals("http://xt.ibex.org/form")) {
+ return graft(new InputTag(n.name), n).upstreamRead(n);
} else if (uri.equals("http://xt.ibex.org/")) {
//#switch(name)
+ case "form": return graft(new FormTag(n.attr("class")), n).upstreamRead(n);
+ case "input": return graft(new InputTag(n.attr("field")), n).upstreamRead(n);
case "if":
transform(n, scope);
- return graft((Node.Stream.Functor)("true".equals(n.attr("if")) ? new DropTag() : new DropAll()), n).upstreamRead(n);
+ return graft((Node.Stream.Functor)("true".equals(n.attr("if"))?new DropTag():new DropAll()), n).upstreamRead(n);
case "js": return graft(new JsTag(scope), n).upstreamRead(n);
case "foreach": return graft(new ForEach(n, scope), n).upstreamRead(n);
case "children":
JSArray a = ((JSArray)exec("return (" + n.attr("in").toString() + ");", this.scope = s));
while(true) {
JS o = a.call(JSU.S("pop"), new JS[] { });
+ System.out.println("called pop on a "+a.getClass().getName()+" of length " +a.size()+" , got " + (o==null ? null : o.getClass().getName()));
if (o == null) break;
array.push(o);
}
}
}
- public static class Scope extends JS.Immutable {
- private final JS parent;
- private final Hash declared = new Hash();
- public Scope(JS parent) { this.parent = parent; }
- public JS get(JS key) throws JSExn {
- if (declared.get(key)!=null) return super.get(key);
- return parent.get(key);
- }
- public void put(JS key, JS val) throws JSExn {
- if (declared.get(key)!=null) super.put(key, val);
- else parent.put(key, val);
+ private class InputTag implements Node.Stream.Functor {
+ final String fieldName;
+ public InputTag(String fieldName) { this.fieldName = fieldName; }
+ public Node.Stream wrap(Node.Stream kids) {
+ try {
+ return new Node.Stream.FromXML(new StringReader(servletscope.currentForm.emit(fieldName)));
+ } catch (Exception e) { Log.warn(this, e); return null; }
}
- public void declare(JS key) { declared.put(key, Boolean.TRUE); }
- public void declare(String key) { declare(JSU.S(key)); }
- public void undeclare(JS key) { declared.remove(key); }
- public void undeclare(String key) { undeclare(JSU.S(key)); }
}
+ private class FormTag implements Node.Stream.Functor {
+ final String classname;
+ public FormTag(String classname) { this.classname = classname; }
+ public Node.Stream wrap(final Node.Stream kids) {
+ try {
+ servletscope.currentForm = (Form)Class.forName(classname).newInstance();
+ Log.warn("emit", servletscope.currentForm.emit());
+ return new Node.Stream() {
+ boolean done = false;
+ public boolean _read(Node n) {
+ if (done) return kids._read(n);
+ done = true;
+ n.clear();
+ n.name = "form";
+ n.uri = "http://www.w3.org/1999/xhtml";
+ n.numattrs = 1;
+ n.attrs = new String[] { "action", "/servlet/"+classname };
+ return true;
+ }
+ };
+ } catch (Exception e) {
+ Log.warn(this, e);
+ return null;
+ }
+ } }
+
private class DropTag implements Node.Stream.Functor {
public Node.Stream wrap(Node.Stream kids) {
return kids;
projects / org.ibex.xt.git / blobdiff