// Instance Members that are only meaningful on root Template //////////////////////////////////////
- private JSScope staticJSScope = null; ///< the scope in which the static block is executed
+ private JSScope staticScope = null; ///< the scope in which the static block is executed
private JSFunction staticscript = null; ///< the script on the static node of this template, null already performed
private StringBuffer content = null; ///< during XML parsing, this holds partially-read character data; null otherwise
private int content_start = 0; ///< line number of the first line of <tt>content</tt>
private int startLine = -1; ///< the line number that this element starts on
- private final Res r; ///< the resource we came from
+ private final Stream r; ///< the resource we came from
// Static data/methods ///////////////////////////////////////////////////////////////////
- public static Template getTemplate(Res r) throws JSExn {
+ // FIXME need to provide the XWT object too
+ public static Template getTemplate(Stream r) throws JSExn {
try {
r = r.addExtension(".xwt");
if (r.t != null) return r.t;
r.t = new Template(r);
new TemplateHelper().parseit(r.getInputStream(), r.t);
return r.t;
- } catch (Exception e) { throw new JSExn(e.toString());
+ } catch (Exception e) {
+ throw new JSExn("Error reading template stream: " + r + "\n" + e.toString());
}
}
- public static Res resolveStringToResource(String str, XWT xwt, boolean permitAbsolute) throws JSExn {
+ public static Stream resolveStringToResource(String str, XWT xwt, boolean permitAbsolute) throws JSExn {
// URL
if (str.indexOf("://") != -1) {
- if (permitAbsolute) return (Res)xwt.url2res(str);
+ if (permitAbsolute) return (Stream)xwt.url2res(str);
throw new JSExn("absolute URL " + str + " not permitted here");
}
// root-relative
- Res ret = xwt.rr;
+ Stream ret = xwt.rr;
while(str.indexOf('.') != -1) {
String path = str.substring(0, str.indexOf('.'));
str = str.substring(str.indexOf('.') + 1);
- ret = (Res)ret.get(path);
+ ret = (Stream)ret.get(path);
}
- ret = (Res)ret.get(str);
+ ret = (Stream)ret.get(str);
return ret;
}
// Methods to apply templates ////////////////////////////////////////////////////////
- private Template(Res r) {
+ private Template(Stream r) {
this.r = r;
String f = r.toString();
if (f != null && !f.equals(""))
}
/** called before this template is applied or its static object can be externally referenced */
- JSScope getStatic() throws JSExn {
- if (staticJSScope == null) staticJSScope = new JSScope(null);
- if (staticscript == null) return staticJSScope;
+ JSScope getStatic(XWT xwt) throws JSExn {
+ if (staticScope == null) staticScope = new PerInstantiationJSScope(null, xwt, null, null);
+ if (staticscript == null) return staticScope;
JSFunction temp = staticscript;
staticscript = null;
- temp.cloneWithNewParentScope(staticJSScope).call(null, null, null, null, 0);
- return staticJSScope;
+ temp.cloneWithNewParentScope(staticScope).call(null, null, null, null, 0);
+ return staticScope;
}
/** Applies the template to Box b
* @param pboxes a vector of all box parents on which to put $-references
* @param ptemplates a vector of the fileNames to recieve private references on the pboxes
*/
- void apply(Box b, XWT xwt) {
+ void apply(Box b, XWT xwt) throws JSExn {
try {
apply(b, xwt, null);
} catch (JSExn e) {
b.clear(b.VISIBLE);
b.mark_for_repack();
- Log.log(Template.class, "WARNING: exception (below) thrown during application of template;");
- Log.log(Template.class, " setting visibility of target box to \"false\"");
- Log.logJS(e);
+ throw e;
}
}
private void apply(Box b, XWT xwt, PerInstantiationJSScope parentPis) throws JSExn {
-
- getStatic();
+ getStatic(xwt);
if (id != null) parentPis.putDollar(id, b);
for(int i=0; i<preapply.size(); i++) {
t.apply(b, xwt);
}
- PerInstantiationJSScope pis = new PerInstantiationJSScope(b, xwt, parentPis, staticJSScope);
+ PerInstantiationJSScope pis = new PerInstantiationJSScope(b, xwt, parentPis, staticScope);
+
for (int i=0; children != null && i<children.size(); i++) {
Box kid = new Box();
((Template)children.elementAt(i)).apply(kid, xwt, pis);
- b.putAndTriggerTraps(JS.N(b.treeSize()), kid);
+ b.putAndTriggerTraps(b.get("numchildren"), kid);
}
if (script != null) script.cloneWithNewParentScope(pis).call(null, null, null, null, 0);
- for(int i=0; keys != null && i<keys.length; i++)
- if (vals[i] instanceof String && ((String)vals[i]).charAt(0) == '$') {
- Object rbox = pis.get(vals[i]);
- if (rbox == null) Log.log(this, "unknown box id '"+vals[i]+"' referenced in XML attribute");
- else b.putAndTriggerTraps(keys[i], rbox);
+ Object key, val;
+ for(int i=0; keys != null && i < keys.length; i++) {
+ if (keys[i] == null) continue;
+ key = keys[i];
+ val = vals[i];
+
+ if ("null".equals(val)) val = null;
+
+ if (val != null && val instanceof String && ((String)val).length() > 0) {
+ switch (((String)val).charAt(0)) {
+ case '$':
+ val = pis.get(val);
+ if (val == null) throw new JSExn("unknown box id '"+vals[i]+"' referenced in XML attribute");
+ break;
+ case '.':
+ val = resolveStringToResource(((String)val).substring(1), xwt, true);
+ }
}
- else if ("fill".equals(keys[i]) && ((String)vals[i]).indexOf('.') >= 0) {
- b.putAndTriggerTraps("fill", resolveStringToResource((String)vals[i], xwt, true));
+
+ if (val != null && "redirect".equals(key)) {
+ val = pis.get("$"+val);
+ if (val == null) throw new JSExn("redirect target '"+vals[i]+"' not found");
}
- else if ("redirect".equals(keys[i])) {
- if (vals[i] == null || "null".equals(vals[i])) b.putAndTriggerTraps("redirect", null);
- Object rbox = pis.get("$"+vals[i]);
- if (rbox == null) Log.log(this, "redirect target '"+vals[i]+"' not found");
- else b.putAndTriggerTraps("redirect", rbox);
+
+ try {
+ b.putAndTriggerTraps(key, val);
+ } catch(JSExn e) {
+ e.addBacktrace(fileName + ":attr-" + key,0);
+ throw e;
}
- else if (keys[i] != null) b.putAndTriggerTraps(keys[i], vals[i]);
+ }
}
// 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 "font":
- keys.addElement(c.getAttrKey(i));
- if (c.getAttrUri(i) != null) vals.addElement(c.getAttrUri(i) + "." + c.getAttrVal(i));
- else vals.addElement(c.getAttrVal(i));
- continue ATTR;
-
- case "fill":
- keys.addElement(c.getAttrKey(i));
- if (c.getAttrUri(i) != null && !c.getAttrVal(i).startsWith("#") && SVG.colors.get(c.getAttrVal(i)) == null)
- vals.addElement(c.getAttrUri(i) + "." + c.getAttrVal(i));
- else vals.addElement(c.getAttrVal(i));
- continue ATTR;
-
- // process and do not add to box attributes
-
case "preapply":
String uri = c.getAttrUri(i); if (!uri.equals("")) uri += ".";
StringTokenizer tok = new StringTokenizer(c.getAttrVal(i).toString(), " ");
continue ATTR;
//#end
+ // treat value starting with '.' as resource reference
+ String uri = c.getAttrUri(i); if (!uri.equals("")) uri = '.' + uri;
keys.addElement(c.getAttrKey(i));
- vals.addElement(c.getAttrVal(i));
+ vals.addElement((c.getAttrVal(i).startsWith(".") ? uri : "") + c.getAttrVal(i));
}
if (keys.size() == 0) return;
return ((String)a).compareTo((String)b);
} });
-
- // merge attributes into template
t.keys = new String[keys.size()];
t.vals = new Object[vals.size()];
keys.copyInto(t.keys);
public void characters(char[] ch, int start, int length) throws XML.Exn {
// invoke the no-tab crusade
for (int i=0; length >i; i++) if (ch[start+i] == '\t')
- throw new XML.Exn("tabs are not allowed in XWT files", XML.Exn.SCHEMA, getLine(), getCol());
+ Log.error(Template.class, "tabs are not allowed in XWT files ("+getLine()+":"+getCol()+")");
if ("static".equals(nameOfHeaderNodeBeingProcessed) || state == STATE_IN_TEMPLATE_NODE) {
if (t.content == null) {