-// Copyright 2002 Adam Megacz, see the COPYING file for licensing [GPL]
+// Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
package org.xwt;
import java.io.*;
import java.util.zip.*;
import java.util.*;
import java.lang.*;
-import org.mozilla.javascript.*;
+import org.xwt.js.*;
import org.xwt.util.*;
/**
* Encapsulates a template node (the <template/> element of a
- * .xwt file, or any child element thereof). Each instance of
- * Template has a <tt>nodeName</tt> -- this is the resource name of
- * the file that the template node occurs in, concatenated with the
- * path from the root element to this node, each step of which is in
- * the form .n for some integer n. Static nodes use the string "._"
- * as a path.
+ * .xwt file, or any child element thereof).
*
* Note that the Template instance corresponding to the
* <template/> node carries all the header information -- hence
* See the XWT reference for information on the order in which
* templates are applied, attributes are put, and scripts are run.
*/
+
+// FIXME imports
public class Template {
// Instance Members ///////////////////////////////////////////////////////
- /** this instance's nodeName */
- String nodeName;
+ /** the id of this box */
+ String id = null;
/** the id of the redirect target; only meaningful on a root node */
String redirect = null;
/** templates that should be preapplied (in the order of application); only meaningful on a root node */
- private String[] preapply;
-
- /** 'linked' form of preapply -- the String references have been resolved into instance references */
- private Template[] _preapply = null;
+ private Template[] preapply;
/** templates that should be postapplied (in the order of application); only meaningful on a root node */
- private String[] postapply;
-
- /** 'linked' form of postapply -- the String references have been resolved into instance references */
- private Template[] _postapply = null;
+ private Template[] postapply;
/** keys to be "put" to instances of this template; elements correspond to those of vals */
private String[] keys;
/** values to be "put" to instances of this template; elements correspond to those of keys */
private Object[] vals;
- /** array of strings representing the importlist for this template */
- private String[] importlist;
-
/** child template objects */
private Template[] children;
- /** an array of the names of properties to be preserved when retheming; only meaningful on a root node */
- private String[] preserve = null;
-
- /** the <tt>id</tt> attribute on this node */
- private String id = "";
-
/** see numUnits(); -1 means that this value has not yet been computed */
private int numunits = -1;
- /** true iff the resolution of this template's preapply/postapply sets changed as a result of the most recent call to retheme() */
- private boolean changed = false;
+ /** the scope in which the static block is executed */
+ private JS.Scope staticScope = null;
/** the script on the static node of this template, null if it has already been executed */
- private Script staticscript = null;
+ private JS.CompiledFunction staticscript = null;
/** the script on this node */
- private Script script = null;
+ private JS.CompiledFunction script = null;
+
+ /** the filename this node came from; used only for debugging */
+ private String fileName = "unknown";
+
+
+ // Only used during parsing /////////////////////////////////////////////////////////////////
/** during XML parsing, this holds the list of currently-parsed children; null otherwise */
private Vec childvect = new Vec();
/** number of lines in <tt>content</tt> */
private int content_lines = 0;
+ /** the line number that this element starts on */
+ private int startLine = -1;
- // Static data/methods ///////////////////////////////////////////////////////////////////
-
- /** a template cache so that only one Template object is created for each xwt */
- private static Hashtable cache = new Hashtable(1000);
-
- /** The default importlist; in future revisions this will contain "xwt.*" */
- public static final String[] defaultImportList = new String[] { };
- /** returns the appropriate template, resolving and theming as needed */
- public static Template getTemplate(String name, String[] importlist) {
- String resolved = Resources.resolve(name + ".xwt", importlist);
- Template t = resolved == null ? null : (Template)cache.get(resolved.substring(0, resolved.length() - 4));
- if (t != null) return t;
- if (resolved == null) return null;
+ // Static data/methods ///////////////////////////////////////////////////////////////////
- // note that Templates in xwar's are instantiated as read in via loadStream() --
- // the following code only runs when XWT is reading templates from a filesystem.
- ByteArrayInputStream bais = new ByteArrayInputStream(Resources.getResource(resolved));
- return buildTemplate(bais, resolved.substring(0, resolved.length() - 4));
- }
+ private Template(String fileName) { this.fileName = fileName; }
- public static Template buildTemplate(InputStream is, String nodeName) {
+ public static Template getTemplate(Res r) {
try {
- return new Template(is, nodeName);
- } catch (XML.SAXParseException e) {
- if (Log.on) Log.log(Template.class, "error parsing template at " + nodeName + ":" + e.getLineNumber() + "," + e.getColumnNumber());
- if (Log.on) Log.log(Template.class, e);
+ if (r.t != null) return r.t;
+ r.t = new Template(r.getDescriptiveName());
+ new TemplateHelper().parseit(r.getInputStream(), r.t);
+ return r.t;
+ } catch (XML.SchemaException e) {
+ if (Log.on) Log.log(Template.class, "error parsing template " + r.t.fileName);
+ if (Log.on) Log.log(Template.class, e.getMessage());
return null;
- } catch (XML.SAXException e) {
- if (Log.on) Log.log(Template.class, "error parsing template " + nodeName);
- if (Log.on) Log.log(Template.class, e);
- return null;
- } catch (TemplateException te) {
- if (Log.on) Log.log(Template.class, "error parsing template " + nodeName);
- if (Log.on) Log.log(Template.class, te);
+ } catch (XML.XMLException e) {
+ if (Log.on) Log.log(Template.class, "error parsing template at " + r.t.fileName + ":" + e.getLine() + "," + e.getCol());
+ if (Log.on) Log.log(Template.class, e.getMessage());
return null;
} catch (IOException e) {
- if (Log.on) Log.log(Template.class, "IOException while parsing template " + nodeName + " -- this should never happen");
+ if (Log.on) Log.log(Template.class, "IOException while parsing template " + r.t.fileName + " -- this should never happen");
if (Log.on) Log.log(Template.class, e);
return null;
}
// Methods to apply templates ////////////////////////////////////////////////////////
- private Template() { }
- private Template(InputStream is, String nodeName) throws XML.SAXException, IOException {
- this.nodeName = nodeName;
- cache.put(nodeName, this);
- new TemplateHelper().parseit(is, this);
- }
-
- /** calculates, caches, and returns an integer approximation of how long it will take to apply this template, including pre/post and children */
+ /** calculates, caches, and returns an integer approximation of how long it will take to apply this template,
+ * including pre/post and children */
int numUnits() {
- link();
if (numunits != -1) return numunits;
numunits = 1;
- for(int i=0; _preapply != null && i<_preapply.length; i++) if (_preapply[i] != null) numunits += _preapply[i].numUnits();
- for(int i=0; _postapply != null && i<_postapply.length; i++) if (_postapply[i] != null) numunits += _postapply[i].numUnits();
+ for(int i=0; preapply != null && i<preapply.length; i++) numunits += preapply[i].numUnits();
+ for(int i=0; postapply != null && i<postapply.length; i++) numunits += postapply[i].numUnits();
if (script != null) numunits += 10;
numunits += keys == null ? 0 : keys.length;
for(int i=0; children != null && i<children.length; i++) numunits += children[i].numUnits();
return numunits;
}
+
+ /** called before this template is applied or its static object can be externally referenced */
+ JS.Scope getStatic() {
+ if (staticScope == null) staticScope = new JS.Scope(null);
+ if (staticscript == null) return staticScope;
+ JS.CompiledFunction temp = staticscript;
+ staticscript = null;
+ temp.call(new JS.Array(), staticScope);
+ 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 nodeNames to recieve private references on the pboxes
+ * @param ptemplates a vector of the fileNames to recieve private references on the pboxes
*/
- void apply(Box b, Vec pboxes, Vec ptemplates) {
-
- if (pboxes == null) {
- pboxes = new Vec();
- ptemplates = new Vec();
- }
+ // FIXME: $-vars not dealt with
+ void apply(Box b, JS.Callable callback, int numerator, int denominator, Res resourceRoot) {
- if (id != null && !id.equals(""))
- for(int i=0; i<pboxes.size(); i++) {
- Box parent = (Box)pboxes.elementAt(i);
- String parentNodeName = (String)ptemplates.elementAt(i);
- parent.putPrivately("$" + id, b, parentNodeName);
- }
+ getStatic();
+ int original_numerator = numerator;
- if (script != null || (redirect != null && !"self".equals(redirect))) {
- pboxes.addElement(b);
- ptemplates.addElement(nodeName);
+ for(int i=0; preapply != null && i<preapply.length; i++) {
+ preapply[i].apply(b, callback, numerator, denominator, resourceRoot);
+ numerator += preapply[i].numUnits();
}
- int numids = pboxes.size();
-
- link();
-
- for(int i=0; _preapply != null && i<_preapply.length; i++)
- if (_preapply[i] != null) _preapply[i].apply(b, null, null);
-
- for (int i=0; children != null && i<children.length; i++)
- b.put(Integer.MAX_VALUE, null, new Box(children[i], pboxes, ptemplates));
-
- // whom to redirect to; doesn't take effect until after script runs
- Box redir = null;
- if (redirect != null && !"self".equals(redirect))
- redir = (Box)b.getPrivately("$" + redirect, nodeName);
-
- if (script != null) try {
- Context cx = Context.enter();
- script.exec(cx, b);
- } catch (EcmaError e) {
- if (Log.on) Log.log(this, "WARNING: uncaught interpreter exception: " + e.getMessage());
- if (Log.on) Log.log(this, " thrown while instantiating " + nodeName + " at " + e.getSourceName() + ":" + e.getLineNumber());
- } catch (JavaScriptException e) {
- if (Log.on) Log.log(this, "WARNING: uncaught ecmascript exception: " + e.getMessage());
- if (Log.on) Log.log(this, " thrown while instantiating " + nodeName + " at " + e.sourceFile + ":" + e.line);
+ for (int i=0; children != null && i<children.length; i++) {
+ Box kid = new Box();
+ children[i].apply(kid, callback, numerator, denominator, resourceRoot);
+ numerator += children[i].numUnits();
+ b.put(b.numChildren(), kid);
}
- for(int i=0; keys != null && i<keys.length; i++)
- if (keys[i] == null) { }
- else if (keys[i].equals("border") || keys[i].equals("image")) {
- if (vals[i].startsWith("http://") || vals[i].startsWith("https://")) {
- b.put(keys[i], null, s.substring(0, s.length() - 4));
- } else {
- String s = Resources.resolve(vals[i].toString() + ".png", importlist);
- if (s != null) b.put(keys[i], null, s.substring(0, s.length() - 4));
- else if (Log.on) Log.log(this, "unable to resolve image " + vals[i].toString() + " referenced in attributes of " + nodeName);
- }
- }
- else b.put(keys[i], null, vals[i]);
-
- if (redirect != null && !"self".equals(redirect)) b.redirect = redir;
-
- for(int i=0; _postapply != null && i<_postapply.length; i++)
- if (_postapply[i] != null) _postapply[i].apply(b, null, null);
-
- pboxes.setSize(numids);
- ptemplates.setSize(numids);
-
- Main.instantiatedUnits += 1 + (script == null ? 0 : 10) + (keys == null ? 0 : keys.length);
- Main.updateSplashScreen();
- }
+ // whom to redirect to; doesn't take effect until after script runs
+ Box redir = (redirect != null && !"self".equals(redirect)) ? (Box)b.get("$" + redirect) : null;
+ if (script != null) script.call(new JS.Array(), new PerInstantiationScope(b, resourceRoot));
- // Theming Logic ////////////////////////////////////////////////////////////
+ for(int i=0; keys != null && i<keys.length; i++) b.put(keys[i], vals[i]);
- /** helper method to recursively gather up the list of keys to be preserved */
- private void gatherPreserves(Vec v) {
- for(int i=0; preserve != null && i<preserve.length; i++) v.addElement(preserve[i]);
- for(int i=0; _preapply != null && i<_preapply.length; i++) if (_preapply[i] != null) _preapply[i].gatherPreserves(v);
- for(int i=0; _postapply != null && i<_postapply.length; i++) if (_postapply[i] != null) _postapply[i].gatherPreserves(v);
- }
+ if (redirect != null && !"self".equals(redirect)) b.redirect = redir;
- /** adds a theme mapping, retemplatizing as needed */
- public static void retheme(String from, String to) {
- if (Log.on) Log.log(Template.class, "retheming from " + from + " to " + to);
- XWF.flushXWFs();
- Resources.mapFrom.addElement(from);
- Resources.mapTo.addElement(to);
-
- // clear changed marker and relink
- Template[] t = new Template[cache.size()];
- Enumeration e = cache.elements();
- for(int i=0; e.hasMoreElements(); i++) t[i] = (Template)e.nextElement();
- for(int i=0; i<t.length; i++) {
- t[i].changed = false;
- t[i].numunits = -1;
- t[i].link(true);
+ for(int i=0; postapply != null && i<postapply.length; i++) {
+ postapply[i].apply(b, callback, numerator, denominator, resourceRoot);
+ numerator += postapply[i].numUnits();
}
- for(int i=0; i<Surface.allSurfaces.size(); i++) {
- Box b = ((Surface)Surface.allSurfaces.elementAt(i)).root;
- if (b != null) reapply(b);
- }
- }
+ numerator = original_numerator + numUnits();
- /** template reapplication procedure */
- private static void reapply(Box b) {
+ if (callback != null) try {
+ JS.Array args = new JS.Array();
+ args.addElement(new Double(numerator));
+ args.addElement(new Double(denominator));
+ callback.call(args);
+ } catch (JS.Exn e) { if (Log.on) Log.log(this, "WARNING: uncaught ecmascript exception: " + e); }
- // Ref 7.5.1: check if we need to retemplatize
- boolean retemplatize = false;
- if (b.templatename != null) {
- Template t = getTemplate(b.templatename, b.importlist);
- if (t != b.template) retemplatize = true;
- b.template = t;
- }
- if (b.template != null && b.template.changed)
- retemplatize = true;
-
- if (retemplatize) {
-
- // Ref 7.5.2: "Preserve all properties on the box mentioned in the <preserve> elements of any
- // of the templates which would be applied in step 7."
- Vec keys = new Vec();
- b.template.gatherPreserves(keys);
- Object[] vals = new Object[keys.size()];
- for(int i=0; i<keys.size(); i++) vals[i] = b.get(((String)keys.elementAt(i)), null);
-
- // Ref 7.5.3: "Remove and save all children of the box, or its redirect target, if it has one"
- Box[] kids = null;
- if (b.redirect != null) {
- kids = new Box[b.redirect.numChildren()];
- for(int i=b.redirect.numChildren() - 1; i >= 0; i--) {
- kids[i] = b.redirect.getChild(i);
- kids[i].remove();
- }
- }
-
- // Ref 7.5.4: "Set the box's redirect target to self"
- b.redirect = b;
-
- // Ref 7.5.5: "Remove all of the box's immediate children"
- for(Box cur = b.getChild(b.numChildren() - 1); cur != null;) {
- Box oldcur = cur;
- cur = cur.prevSibling();
- oldcur.remove();
- }
-
- // Ref 7.5.6: "Remove all traps set by scripts run during the application of any template to this box"
- Trap.removeAllTrapsByBox(b);
-
- // Ref 7.5.7: "Apply the template to the box according to the usual application procedure"
- b.template.apply(b, null, null);
-
- // Ref 7.5.8: "Re-add the saved children which were removed in step 3"
- for(int i=0; kids != null && i<kids.length; i++) b.put(Integer.MAX_VALUE, null, kids[i]);
-
- // Ref 7.5.9: "Re-put any property values which were preserved in step 2"
- for(int i=0; i<keys.size(); i++) b.put((String)keys.elementAt(i), null, vals[i]);
- }
-
- // Recurse
- for(Box j = b.getChild(0); j != null; j = j.nextSibling()) reapply(j);
+ if (Thread.currentThread() instanceof ThreadMessage) XWT.sleep(0);
}
- /** runs statics, resolves string references to other templates into actual Template instance references, and sets <tt>change</tt> as needed */
- void link() { link(false); }
-
- /** same as link(), except that with a true value, it will force a re-link */
- private void link(boolean force) {
-
- if (staticscript != null) try {
- Scriptable s = Static.getStatic(nodeName);
- if (staticscript != null) {
- Script temp = staticscript;
- ((InterpretedScript)temp).setParentScope(s); // so we know how to handle Static.get("xwt")
- staticscript = null;
- temp.exec(Context.enter(), s);
- }
- } catch (EcmaError e) {
- if (Log.on) Log.log(this, "WARNING: uncaught interpreter exception: " + e.getMessage());
- if (Log.on) Log.log(this, " thrown while executing <static/> block for " + nodeName +
- " at " + e.getSourceName() + ":" + e.getLineNumber());
- } catch (JavaScriptException e) {
- if (Log.on) Log.log(this, "WARNING: uncaught ecmascript exception: " + e.getMessage());
- if (Log.on) Log.log(this, " thrown while executing <static/> block for " + nodeName + " at " + e.sourceFile + ":" + e.line);
- }
-
- if (!(force || (preapply != null && _preapply == null) || (postapply != null && _postapply == null))) return;
-
- if (preapply != null) {
- if (_preapply == null) _preapply = new Template[preapply.length];
- for(int i=0; i<_preapply.length; i++) {
- Template t = getTemplate(preapply[i], importlist);
- if (t != _preapply[i]) changed = true;
- _preapply[i] = t;
- }
- }
- if (postapply != null) {
- if (_postapply == null) _postapply = new Template[postapply.length];
- for(int i=0; i<_postapply.length; i++) {
- Template t = getTemplate(postapply[i], importlist);
- if (t != _postapply[i]) changed = true;
- _postapply[i] = t;
- }
- }
-
- for(int i=0; children != null && i<children.length; i++) children[i].link(force);
- }
// XML Parsing /////////////////////////////////////////////////////////////////
/** handles XML parsing; builds a Template tree as it goes */
- private static class TemplateHelper extends XML {
+ static final class TemplateHelper extends XML {
- TemplateHelper() {
- for(int i=0; i<defaultImportList.length; i++) importlist.addElement(defaultImportList[i]);
- }
+ TemplateHelper() { }
/** parse an XML input stream, building a Template tree off of <tt>root</tt> */
- void parseit(InputStream is, Template root) throws XML.SAXException, IOException {
+ void parseit(InputStream is, Template root) throws XML.XMLException, IOException {
+ rootNodeHasBeenEncountered = false;
+ templateNodeHasBeenEncountered = false;
+ staticNodeHasBeenEncountered = false;
+ templateNodeHasBeenFinished = false;
+ nameOfHeaderNodeBeingProcessed = null;
+
+ nodeStack.setSize(0);
+ preapply.setSize(0);
+ postapply.setSize(0);
+
t = root;
- parse(new TabAndMaxColumnEnforcingReader(new InputStreamReader(is), root.nodeName));
+ parse(new InputStreamReader(is));
}
/** parsing state: true iff we have already encountered the <xwt> open-tag */
/** stack of Templates whose XML elements we have seen open-tags for but not close-tags */
Vec nodeStack = new Vec();
- /** builds up the list of imports */
- Vec importlist = new Vec();
-
/** builds up the list of preapplies */
Vec preapply = new Vec();
/** the template we're currently working on */
Template t = null;
- public void startElement(String name, String[] keys, Object[] vals, int line, int col) throws XML.SAXException {
-
+ public void startElement(XML.Element c) throws XML.SchemaException {
if (templateNodeHasBeenFinished) {
- throw new XML.SAXException("no elements may appear after the <template> node");
+ throw new XML.SchemaException("no elements may appear after the <template> node");
} else if (!rootNodeHasBeenEncountered) {
- if (!"xwt".equals(name)) throw new XML.SAXException("root element was not <xwt>");
- if (keys.length != 0) throw new XML.SAXException("root element must not have attributes");
+ if (!"xwt".equals(c.localName)) throw new XML.SchemaException("root element was not <xwt>");
+ if (c.len != 0) throw new XML.SchemaException("root element must not have attributes");
rootNodeHasBeenEncountered = true;
return;
} else if (!templateNodeHasBeenEncountered) {
- if (nameOfHeaderNodeBeingProcessed != null) throw new XML.SAXException("can't nest header nodes");
- nameOfHeaderNodeBeingProcessed = name;
+ if (nameOfHeaderNodeBeingProcessed != null) throw new XML.SchemaException("can't nest header nodes");
+ nameOfHeaderNodeBeingProcessed = c.localName;
- if (name.equals("import")) {
- if (keys.length != 1 || !keys[0].equals("name"))
- throw new XML.SAXException("<import> node must have exactly one attribute, which must be called 'name'");
- String importpackage = vals[0].toString();
+ if (c.localName.equals("import")) {
+ if (c.len != 1 || !c.keys[0].equals("name"))
+ throw new XML.SchemaException("<import> node must have exactly one attribute, which must be called 'name'");
+ String importpackage = c.vals[0].toString();
if (importpackage.endsWith(".*")) importpackage = importpackage.substring(0, importpackage.length() - 2);
- importlist.addElement(importpackage);
return;
- } else if (name.equals("redirect")) {
- if (keys.length != 1 || !keys[0].equals("target"))
- throw new XML.SAXException("<redirect> node must have exactly one attribute, which must be called 'target'");
+ } else if (c.localName.equals("redirect")) {
+ if (c.len != 1 || !c.keys[0].equals("target"))
+ throw new XML.SchemaException("<redirect> node must have exactly one attribute, which must be called 'target'");
if (t.redirect != null)
- throw new XML.SAXException("the <redirect> header element may not appear more than once");
- t.redirect = vals[0].toString();
+ throw new XML.SchemaException("the <redirect> header element may not appear more than once");
+ t.redirect = c.vals[0].toString();
+ if(t.redirect.equals("null")) t.redirect = null;
return;
- } else if (name.equals("preapply")) {
- if (keys.length != 1 || !keys[0].equals("name"))
- throw new XML.SAXException("<preapply> node must have exactly one attribute, which must be called 'name'");
- preapply.addElement(vals[0]);
+ } else if (c.localName.equals("preapply")) {
+ if (c.len != 1 || !c.keys[0].equals("name"))
+ throw new XML.SchemaException("<preapply> node must have exactly one attribute, which must be called 'name'");
+ preapply.addElement(c.vals[0]);
return;
- } else if (name.equals("postapply")) {
- if (keys.length != 1 || !keys[0].equals("name"))
- throw new XML.SAXException("<postapply> node must have exactly one attribute, which must be called 'name'");
- postapply.addElement(vals[0]);
+ } else if (c.localName.equals("postapply")) {
+ if (c.len != 1 || !c.keys[0].equals("name"))
+ throw new XML.SchemaException("<postapply> node must have exactly one attribute, which must be called 'name'");
+ postapply.addElement(c.vals[0]);
return;
- } else if (name.equals("static")) {
+ } else if (c.localName.equals("static")) {
if (staticNodeHasBeenEncountered)
- throw new XML.SAXException("the <static> header node may not appear more than once");
- if (keys.length > 0)
- throw new XML.SAXException("the <static> node may not have attributes");
+ throw new XML.SchemaException("the <static> header node may not appear more than once");
+ if (c.len > 0)
+ throw new XML.SchemaException("the <static> node may not have attributes");
staticNodeHasBeenEncountered = true;
return;
- } else if (name.equals("preserve")) {
- if (keys.length != 1 || !keys[0].equals("attributes"))
- throw new XML.SAXException("<preserve> node must have exactly one attribute, which must be called 'attributes'");
- if (t.preserve != null)
- throw new XML.SAXException("<preserve> header element may not appear more than once");
-
- StringTokenizer tok = new StringTokenizer(vals[0].toString(), ",", false);
- t.preserve = new String[tok.countTokens()];
- for(int i=0; i<t.preserve.length; i++) t.preserve[i] = tok.nextToken();
- return;
-
- } else if (name.equals("template")) {
+ } else if (c.localName.equals("template")) {
// finalize importlist/preapply/postapply, since they can't change from here on
- importlist.toArray(t.importlist = new String[importlist.size()]);
- if (preapply.size() > 0) preapply.copyInto(t.preapply = new String[preapply.size()]);
- if (postapply.size() > 0) postapply.copyInto(t.postapply = new String[postapply.size()]);
- importlist = preapply = postapply = null;
+ t.startLine = getLine();
+ if (preapply.size() > 0) preapply.copyInto(t.preapply = new Template[preapply.size()]);
+ if (postapply.size() > 0) postapply.copyInto(t.postapply = new Template[postapply.size()]);
templateNodeHasBeenEncountered = true;
} else {
- throw new XML.SAXException("unrecognized header node \"" + name + "\"");
+ throw new XML.SchemaException("unrecognized header node \"" + c.localName + "\"");
}
// push the last node we were in onto the stack
nodeStack.addElement(t);
- // instantiate a new node, and set its nodeName/importlist/preapply
- Template t2 = new Template();
- t2.nodeName = t.nodeName + "." + t.childvect.size();
- t2.importlist = t.importlist;
- if (!name.equals("box")) t2.preapply = new String[] { name };
+ // instantiate a new node, and set its fileName/importlist/preapply
+ Template t2 = new Template(t.fileName);
+ t2.startLine = getLine();
+ if (!c.localName.equals("box")) t2.preapply = new Template[] { /*c.localName FIXME */ };
// make the new node the current node
t = t2;
}
- t.keys = keys;
- t.vals = vals;
-
- quickSortAttributes(0, t.keys.length - 1);
+ t.keys = new String[c.len];
+ t.vals = new Object[c.len];
+ Hash h = new Hash(c.len * 2, 3);
+ for(int i=0; i<c.len; i++) h.put(c.keys[i], c.vals[i]);
+ Vec v = new Vec(c.len, c.keys);
+ v.sort(new Vec.CompareFunc() { public int compare(Object a, Object b) { return ((String)a).compareTo((String)b); } });
+ for(int i=0; i<c.len; i++) {
+ // FIXME: height must come after image
+ // FIXME: thisbox must come first
+ t.keys[i] = (String)v.elementAt(i);
+ t.vals[i] = h.get(t.keys[i]);
+ }
for(int i=0; i<t.keys.length; i++) {
if (t.keys[i].equals("id")) {
- t.id = vals[i].toString().intern();
+ t.id = t.vals[i].toString().intern();
t.keys[i] = null;
continue;
}
t.keys[i] = t.keys[i].intern();
- String valString = vals[i].toString();
+ String valString = t.vals[i].toString();
if (valString.equals("true")) t.vals[i] = Boolean.TRUE;
else if (valString.equals("false")) t.vals[i] = Boolean.FALSE;
hasNonNumeral = true;
break;
}
- if (valString.length() > 0 && !hasNonNumeral) vals[i] = new Double(valString);
- else vals[i] = valString.intern();
+ if (valString.length() > 0 && !hasNonNumeral) t.vals[i] = new Double(valString);
+ else t.vals[i] = valString.intern();
}
// bump thisbox to the front of the pack
}
}
- /** simple quicksort, from http://sourceforge.net/snippet/detail.php?type=snippet&id=100240 */
- private int partitionAttributes(int left, int right) {
- int i, j, middle;
- middle = (left + right) / 2;
- String s = t.keys[right]; t.keys[right] = t.keys[middle]; t.keys[middle] = s;
- Object o = t.vals[right]; t.vals[right] = t.vals[middle]; t.vals[middle] = o;
- for (i = left - 1, j = right; ; ) {
- while (t.keys[++i].compareTo(t.keys[right]) < 0);
- while (j > left && t.keys[--j].compareTo(t.keys[right]) > 0);
- if (i >= j) break;
- s = t.keys[i]; t.keys[i] = t.keys[j]; t.keys[j] = s;
- o = t.vals[i]; t.vals[i] = t.vals[j]; t.vals[j] = o;
+ private JS.CompiledFunction genscript(boolean isstatic) {
+ JS.CompiledFunction thisscript = null;
+ try {
+ thisscript = JS.parse(t.fileName + (isstatic ? "._" : ""), t.content_start, new StringReader(t.content.toString()));
+ } catch (IOException ioe) {
+ if (Log.on) Log.log(this, " ERROR: " + ioe.getMessage());
+ thisscript = null;
}
- s = t.keys[right]; t.keys[right] = t.keys[i]; t.keys[i] = s;
- o = t.vals[right]; t.vals[right] = t.vals[i]; t.vals[i] = o;
- return i;
- }
-
- /** simple quicksort, from http://sourceforge.net/snippet/detail.php?type=snippet&id=100240 */
- private void quickSortAttributes(int left, int right) {
- if (left >= right) return;
- int p = partitionAttributes(left, right);
- quickSortAttributes(left, p - 1);
- quickSortAttributes(p + 1, right);
- }
-
- public void endElement(String name, int line, int col) throws XML.SAXException {
-
- boolean hasNonWhitespace = false;
- int len = t == null || t.content == null ? 0 : t.content.length();
- for(int i=0; t.content != null && i<len; i++)
-
- // ignore double-slash comment blocks
- if (t.content.charAt(i) == '/' && t.content.charAt(i + 1) == '/') {
- while(t.content.charAt(i) != '\n' && i<len) i++;
- i--;
-
- // ignore /* .. */ comment blocks
- } else if (i<len - 1 && t.content.charAt(i) == '/' && t.content.charAt(i + 1) == '*') {
- i += 2;
- while(i<len - 1 && !(t.content.charAt(i) == '*' && t.content.charAt(i + 1) == '/')) i++;
- if (i<len - 1 && t.content.charAt(i) == '*' && t.content.charAt(i + 1) == '/') i += 2;
- i--;
-
- // check for named functions
- } else if (i + 8 <= len && t.content.charAt(i) == 'f' && t.content.charAt(i+1) == 'u' &&
- t.content.charAt(i+2) == 'n' && t.content.charAt(i+3) == 'c' && t.content.charAt(i+4) == 't' &&
- t.content.charAt(i+5) == 'i' && t.content.charAt(i+6) == 'o' && t.content.charAt(i+7) == 'n') {
- int j = i + 8;
- while(j<len && Character.isWhitespace(t.content.charAt(j))) j++;
- if (j<len && t.content.charAt(j) != '(')
- throw new XML.SAXException("named functions are not permitted in XWT -- instead of \"function foo() { ... }\"," +
- " use \"foo = function() { ... }\"");
-
- // replace " and " with " && "
- } else if (i + 5 < len && Character.isWhitespace(t.content.charAt(i)) &&
- t.content.charAt(i+1) == 'a' && t.content.charAt(i+2) == 'n' && t.content.charAt(i+3) == 'd' &&
- Character.isWhitespace(t.content.charAt(i + 4))) {
- t.content.setCharAt(i+1, '&');
- t.content.setCharAt(i+2, '&');
- t.content.setCharAt(i+3, ' ');
- hasNonWhitespace = true;
-
- // generic check for nonwhitespace
- } else if (!Character.isWhitespace(t.content.charAt(i))) {
- hasNonWhitespace = true;
+ t.content = null;
+ t.content_start = 0;
+ t.content_lines = 0;
+ return thisscript;
+ }
- }
-
+ public void endElement(XML.Element c) throws XML.SchemaException {
if (rootNodeHasBeenEncountered && !templateNodeHasBeenEncountered) {
- if ("static".equals(nameOfHeaderNodeBeingProcessed) && hasNonWhitespace) t.staticscript = genscript(true);
+ if ("static".equals(nameOfHeaderNodeBeingProcessed) && t.content != null) t.staticscript = genscript(true);
nameOfHeaderNodeBeingProcessed = null;
-
+
} else if (templateNodeHasBeenEncountered && !templateNodeHasBeenFinished) {
-
// turn our childvect into a Template[]
t.childvect.copyInto(t.children = new Template[t.childvect.size()]);
t.childvect = null;
- if (hasNonWhitespace) t.script = genscript(false);
+ if (t.content != null) t.script = genscript(false);
if (nodeStack.size() == 0) {
// </template>
templateNodeHasBeenFinished = true;
-
+
} else {
// add this template as a child of its parent
Template oldt = t;
nodeStack.setSize(nodeStack.size() - 1);
t.childvect.addElement(oldt);
}
-
- }
- }
-
- private Script genscript(boolean isstatic) {
- Script thisscript = null;
- Context cx = Context.enter();
- cx.setOptimizationLevel(-1);
-
- try {
- thisscript = cx.compileReader(null, new StringReader(t.content.toString()), t.nodeName + (isstatic ? "._" : ""), t.content_start, null);
- } catch (EcmaError ee) {
- if (Log.on) Log.log(this, ee.getMessage() + " at " + ee.getSourceName() + ":" + ee.getLineNumber());
- thisscript = null;
- } catch (EvaluatorException ee) {
- if (Log.on) Log.log(this, " ERROR: " + ee.getMessage());
- thisscript = null;
- } catch (IOException ioe) {
- if (Log.on) Log.log(this, "IOException while compiling script; this should never happen");
- if (Log.on) Log.log(this, ioe);
- thisscript = null;
}
+ }
- t.content = null;
- t.content_start = 0;
- t.content_lines = 0;
- return thisscript;
- }
+ public void characters(char[] ch, int start, int length) throws XML.SchemaException {
+ // invoke the no-tab crusade
+ for (int i=0; length >i; i++) if (ch[start+i] == '\t') throw new XML.SchemaException(
+ t.fileName+ ":" + getLine() + "," + getCol() + ": tabs are not allowed in XWT files");
- public void content(char[] ch, int start, int length, int line, int col) throws XML.SAXException {
if ("static".equals(nameOfHeaderNodeBeingProcessed) || templateNodeHasBeenEncountered) {
- int contentlines = 0;
- for(int i=start; i<start + length; i++) if (ch[i] == '\n') contentlines++;
- line -= contentlines;
-
if (t.content == null) {
- t.content_start = line;
+ t.content_start = getLine();
t.content_lines = 0;
t.content = new StringBuffer();
}
- for(int i=t.content_start + t.content_lines; i<line; i++) {
- t.content.append('\n');
- t.content_lines++;
- }
-
t.content.append(ch, start, length);
- t.content_lines += contentlines;
+ t.content_lines++;
} else if (nameOfHeaderNodeBeingProcessed != null) {
- throw new XML.SAXException("header node <" + nameOfHeaderNodeBeingProcessed + "> cannot have text content");
-
+ throw new XML.SchemaException("header node <" + nameOfHeaderNodeBeingProcessed + "> cannot have text content");
}
-
}
+ public void whitespace(char[] ch, int start, int length) throws XML.SchemaException {
+ }
}
- /** a filtering reader that watches for tabs and long lines */
- private static class TabAndMaxColumnEnforcingReader extends FilterReader {
- private int MAX_COLUMN = 150;
- private int column = 0;
- private int line = 1;
- private boolean lastCharWasCR = false;
- private String filename;
- public TabAndMaxColumnEnforcingReader(Reader r, String filename) { super(r); this.filename = filename; }
- public int read() {
- if (Log.on) Log.log(this, this.getClass().getName() + ".read() not supported, this should never happen");
- return -1;
+ private static class PerInstantiationScope extends JS.Scope {
+ Res resourceRoot = null;
+ public PerInstantiationScope(Scope parentScope, Res resourceRoot) {
+ super(parentScope);
+ this.resourceRoot = resourceRoot;
}
- public long skip(long numskip) {
- if (Log.on) Log.log(this, this.getClass().getName() + ".skip() not supported; this should never happen");
- return numskip;
+ public boolean isTransparent() { return true; }
+ public boolean has(Object key) { return false; }
+ public void declare(String s) { super.declare(s); }
+ public Object get(Object key) {
+ // FIXME: access statics here
+ if (Box.SpecialBoxProperty.specialBoxProperties.get(key) == null &&
+ !super.has(key)) {
+ Object ret = resourceRoot.get(key);
+ if (ret != null) return ret;
+ throw new JS.Exn("must declare " + key + " before using it!");
+ }
+ return super.get(key);
}
- public int read(char[] buf, int off, int len) throws IOException {
- int ret = super.read(buf, off, len);
- for(int i=off; i<off + ret; i++)
- if (buf[i] == '\t') {
- throw new TemplateException(filename + ":" + line + "," + column + ": tabs are not allowed in XWT files");
- } else if (buf[i] == '\r') {
- column = 0;
- line++;
- lastCharWasCR = true;
- } else if (buf[i] == '\n') {
- column = 0;
- if (!lastCharWasCR) line++;
- } else if (++column > MAX_COLUMN) {
- throw new TemplateException(filename + ":" + line + ": lines longer than " + MAX_COLUMN + " characters not allowed");
- } else {
- lastCharWasCR = false;
- }
- return ret;
+ public void put(Object key, Object val) {
+ // FIXME: access statics here
+ if (Box.SpecialBoxProperty.specialBoxProperties.get(key) == null &&
+ !super.has(key)) {
+ throw new JS.Exn("must declare " + key + " before using it!");
+ }
+ super.put(key, val);
}
}
- private static class TemplateException extends IOException {
- TemplateException(String s) { super(s); }
- }
-
}
projects / org.ibex.core.git / blobdiff