// Instance Members ///////////////////////////////////////////////////////
- String id = null; ///< the id of this box
- String redirect = null; ///< the id of the redirect target; only meaningful on a root node
- private String[] keys; ///< keys to be "put" to instances of this template; elements correspond to those of vals
- private Object[] vals; ///< values to be "put" to instances of this template; elements correspond to those of keys
- private Vec children = new Vec(); ///< during XML parsing, this holds the list of currently-parsed children; null otherwise
- private int numunits = -1; ///< see numUnits(); -1 means that this value has not yet been computed
-
- private JS script = null; ///< the script on this node
- private String fileName = "unknown"; ///< the filename this node came from; used only for debugging
- private Vec preapply = new Vec(); ///< templates that should be preapplied (in the order of application)
+ String id = null; ///< the id of this box
+ String redirect = null; ///< the id of the redirect target; only meaningful on a root node
+ private String[] keys; ///< keys to be "put" to instances of this template; elements correspond to those of vals
+ private Object[] vals; ///< values to be "put" to instances of this template; elements correspond to those of keys
+ private Vec children = new Vec(); ///< during XML parsing, this holds the list of currently-parsed children; null otherwise
+ private JS script = null; ///< the script on this node
+ private String tagname = null; ///< template to preapply (if any)
// Instance Members that are only meaningful on root Template //////////////////////////////////////
private JSScope staticScope = null; ///< the scope in which the static block is executed
- private JS staticscript = null; ///< the script on the static node of this template, null already performed
+ private JS staticscript = null; ///< the script on the static node of this template, null already performed
// Only used during parsing /////////////////////////////////////////////////////////////////
// Static data/methods ///////////////////////////////////////////////////////////////////
- public Template(InputStream is, XWT xwt) {
- this.xwt = xwt;
- try {
- new TemplateHelper().parseit(is, this);
- } catch (Exception e) {
- throw new RuntimeException(e.toString());
- }
- }
-
- public Template(XWT xwt) {
- this.xwt = xwt;
- }
-
- public static JS resolveStringToResource(String str, XWT xwt, boolean permitAbsolute) throws JSExn {
- if (str.indexOf("://") != -1) {
- if (permitAbsolute) return (Stream)xwt.url2res(str);
- throw new JSExn("absolute URL " + str + " not permitted here");
- }
- // root-relative
- JS ret = (JS)xwt.getAndTriggerTraps("");
- while(str.indexOf('.') != -1) {
- String path = str.substring(0, str.indexOf('.'));
- str = str.substring(str.indexOf('.') + 1);
- ret = (JS)ret.get(path);
- }
- ret = (JS)ret.get(str);
- return ret;
+ // for non-root nodes
+ private Template(XWT xwt) { this.xwt = xwt; }
+ public Template(InputStream is, XWT xwt) throws IOException, JSExn, XML.Exn {
+ this.xwt = xwt; new TemplateHelper().parseit(is, this);
}
-
+
// Methods to apply templates ////////////////////////////////////////////////////////
/** called before this template is applied or its static object can be externally referenced */
JSScope getStatic() throws JSExn {
- if (staticScope == null) staticScope = new PerInstantiationJSScope(null, xwt, null, null);
+ if (staticScope == null) staticScope = new PerInstantiationScope(null, xwt, null, null);
if (staticscript == null) return staticScope;
JS temp = staticscript;
staticscript = null;
}
}
- private void apply(Box b, PerInstantiationJSScope parentPis) throws JSExn, IOException {
+ private void apply(Box b, PerInstantiationScope parentPis) throws JSExn, IOException {
getStatic();
+ // FIXME this dollar stuff is all wrong
if (id != null) parentPis.putDollar(id, b);
- for(int i=0; i<preapply.size(); i++) {
- JS templateFunc = resolveStringToResource((String)preapply.elementAt(i), xwt, false);
- templateFunc.call(b, null, null, null, 1);
- }
+ if (tagname != null) xwt.resolveStringToResource(tagname, false).call(b, null, null, null, 1);
- PerInstantiationJSScope pis = new PerInstantiationJSScope(b, xwt, parentPis, staticScope);
+ PerInstantiationScope pis = new PerInstantiationScope(b, xwt, parentPis, staticScope);
+ // FIXME needs to obey the new application-ordering rules
for (int i=0; children != null && i<children.size(); i++) {
Box kid = new Box();
((Template)children.elementAt(i)).apply(kid, pis);
if (val == null) throw new JSExn("unknown box id '"+vals[i]+"' referenced in XML attribute");
break;
case '.':
- val = resolveStringToResource(((String)val).substring(1), xwt, true);
+ val = xwt.resolveStringToResource(((String)val).substring(1), false);
+ // FIXME: url case
+ // FIXME: should we be resolving all of these in the XML-parsing code?
}
}
- if (val != null && "redirect".equals(key)) {
- val = pis.get("$"+val);
- if (val == null) throw new JSExn("redirect target '"+vals[i]+"' not found");
- }
-
- try {
- b.putAndTriggerTraps(key, val);
- } catch(JSExn e) {
- e.addBacktrace(fileName + ":attr-" + key,0);
- throw e;
- }
+ b.putAndTriggerTraps(key, val);
}
}
Template t2 = new Template(t.xwt);
t2.startLine = getLine();
if (!c.getLocalName().equals("box") && !c.getLocalName().equals("template"))
- t2.preapply.addElement((c.getUri().equals("") ? "" : (c.getUri() + ".")) + c.getLocalName());
+ t2.tagname = ((c.getUri().equals("") ? "" : (c.getUri() + ".")) + c.getLocalName());
// make the new node the current node
t = t2;
processBodyElement(c);
// process attributes into Vecs, dealing with any XML Namespaces in the process
ATTR: for (int i=0; i < c.getAttrLen(); i++) {
//#switch(c.getAttrKey(i))
- case "preapply":
- String uri = c.getAttrUri(i); if (!uri.equals("")) uri += ".";
- StringTokenizer tok = new StringTokenizer(c.getAttrVal(i).toString(), " ");
- while(tok.hasMoreTokens()) t.preapply.addElement(uri + tok.nextToken());
- continue ATTR;
-
case "id":
t.id = c.getAttrVal(i).toString().intern();
continue ATTR;
JS thisscript = null;
String contentString = t.content.toString();
if (contentString.trim().length() > 0)
- thisscript = JS.fromReader(t.fileName + (isstatic ? "._" : ""),
- t.content_start,
- new StringReader(contentString));
+ thisscript = JS.fromReader("FIXME", t.content_start, new StringReader(contentString));
t.content = null;
t.content_start = 0;
return thisscript;
public void whitespace(char[] ch, int start, int length) throws XML.Exn { }
}
- private static class PerInstantiationJSScope extends JSScope {
+ private static class PerInstantiationScope extends JSScope {
XWT xwt = null;
- PerInstantiationJSScope parentBoxPis = null;
+ PerInstantiationScope parentBoxPis = null;
JSScope myStatic = null;
void putDollar(String key, Box target) throws JSExn {
if (parentBoxPis != null) parentBoxPis.putDollar(key, target);
declare("$" + key);
put("$" + key, target);
}
- public PerInstantiationJSScope(JSScope parentScope, XWT xwt, PerInstantiationJSScope parentBoxPis, JSScope myStatic) {
+ public PerInstantiationScope(JSScope parentScope, XWT xwt, PerInstantiationScope parentBoxPis, JSScope myStatic) {
super(parentScope);
this.parentBoxPis = parentBoxPis;
this.xwt = xwt;