X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fxwt%2FTemplate.java;h=b11cf7c6ac39079ffd4ca0987ad6caf49cf8fe55;hb=e1bf2123524ba1cc258188314733f62c2bf45c00;hp=a81f150ea646e2d79e3db1c523e116d1d07144c4;hpb=4444c6057bb0cee5d2ae5a55b3045fd8eb790295;p=org.ibex.core.git

diff --git a/src/org/xwt/Template.java b/src/org/xwt/Template.java
index a81f150..b11cf7c 100644
--- a/src/org/xwt/Template.java
+++ b/src/org/xwt/Template.java
@@ -25,54 +25,50 @@ public class Template {
 
     // 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
+    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 Function 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)
+    private JSFunction 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)
 
 
     // Instance Members that are only meaningful on root Template //////////////////////////////////////
 
-    private JS.Scope staticScope = null;             ///< the scope in which the static block is executed
-    private Function staticscript = null; ///< the script on the static node of this template, null already performed
+    private JSScope staticJSScope = 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
 
 
     // Only used during parsing /////////////////////////////////////////////////////////////////
 
-    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 content_lines = 0;       ///< number of lines in <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 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
 
 
     // Static data/methods ///////////////////////////////////////////////////////////////////
 
-    public static Template getTemplate(Res r) {
+    public static Template getTemplate(Res 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) {
-            if (Log.on) Log.log(r.t.fileName, e);
-            return null;
+        } catch (Exception e) { throw new JSExn(e.toString());
         }
     }
 
-    public static Res resolveStringToResource(String str, XWT xwt, boolean permitAbsolute) {
+    public static Res resolveStringToResource(String str, XWT xwt, boolean permitAbsolute) throws JSExn {
         // URL
         if (str.indexOf("://") != -1) {
-            if (permitAbsolute) return Res.stringToRes(str);
-            Log.log(Template.class, "absolute URL " + str + " not permitted here");
-            return null;
+            if (permitAbsolute) return (Res)xwt.url2res(str);
+            throw new JSExn("absolute URL " + str + " not permitted here");
         }
 
         // root-relative
@@ -89,24 +85,29 @@ public class Template {
 
     // Methods to apply templates ////////////////////////////////////////////////////////
 
-    private Template(Res r) { this.r = r; }
+    private Template(Res r) {
+        this.r = r;
+        String f = r.toString();
+        if (f != null && !f.equals(""))
+            fileName = f.substring(f.lastIndexOf('/')+1, f.endsWith(".xwt") ? f.length() - 4 : f.length());
+    }
 
     /** 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;
-        Function temp = staticscript;
+    JSScope getStatic() throws JSExn {
+        if (staticJSScope == null) staticJSScope = new JSScope(null);
+        if (staticscript == null) return staticJSScope;
+        JSFunction temp = staticscript;
         staticscript = null;
-        new JS.Context(temp, staticScope).resume();
-        return staticScope;
+        temp.cloneWithNewParentScope(staticJSScope).call(null, null, null, null, 0);
+        return staticJSScope;
     }
     
     /** 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, JS.Callable c, XWT xwt) { apply(b, c, xwt, null); }
-    void apply(Box b, JS.Callable callback, XWT xwt, PerInstantiationScope parentPis) {
+    void apply(Box b, XWT xwt) throws JSExn { apply(b, xwt, null); }
+    void apply(Box b, XWT xwt, PerInstantiationJSScope parentPis) throws JSExn {
 
         getStatic();
 
@@ -114,24 +115,32 @@ public class Template {
         for(int i=0; i<preapply.size(); i++) {
             Template t = getTemplate(resolveStringToResource((String)preapply.elementAt(i), xwt, false));
             if (t == null) throw new RuntimeException("unable to resolve resource " + preapply.elementAt(i));
-            t.apply(b, callback, xwt);
+            t.apply(b, xwt);
         }
 
-        PerInstantiationScope pis = new PerInstantiationScope(b, xwt, parentPis, staticScope);
+        PerInstantiationJSScope pis = new PerInstantiationJSScope(b, xwt, parentPis, staticJSScope);
         for (int i=0; children != null && i<children.size(); i++) {
             Box kid = new Box();
-            ((Template)children.elementAt(i)).apply(kid, callback, xwt, pis);
-
-            // FIXME: tailcall?
-            b.put(b.numChildren(), kid);
+            ((Template)children.elementAt(i)).apply(kid, xwt, pis);
+            b.putAndTriggerTraps(JS.N(b.treeSize()), kid);
         }
 
-        if (script != null) new JS.Context(script, pis).resume();
+        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) == '$') b.put(keys[i], pis.get(vals[i]));
-            else if ("image".equals(keys[i])) b.put("image", resolveStringToResource((String)vals[i], xwt, true));
-            else if (keys[i] != null) b.put(keys[i], vals[i]);
+            if (vals[i] instanceof String && ((String)vals[i]).charAt(0) == '$') {
+                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);
+            }
+            else if ("image".equals(keys[i])) b.putAndTriggerTraps("image", resolveStringToResource((String)vals[i], xwt, true));
+            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);
+            }
+            else if (keys[i] != null) b.putAndTriggerTraps(keys[i], vals[i]);
     }
 
 
@@ -175,7 +184,7 @@ public class Template {
                 if (nameOfHeaderNodeBeingProcessed != null) throw new XML.SchemaException("can't nest header nodes");
                 nameOfHeaderNodeBeingProcessed = c.localName;
                 if (c.localName.equals("doc")) {
-                    // FIXME: ignore
+                    // FEATURE
                 } else if (c.localName.equals("static")) {
                     if (t.staticscript != null)
                         throw new XML.SchemaException("the <static> header node may not appear more than once");
@@ -210,23 +219,23 @@ public class Template {
 
         private void processBodyElement(XML.Element c) {
             Hash h = new Hash(c.len * 2, 3);
+
+            // WARNING: c.keys.length != c.len; USE c.len
             for(int i=0; i<c.len; i++) {
-                if (c.keys[i].endsWith(":image")) {
-                    String uri = (String)c.urimap.get(c.keys[i].substring(0, c.keys[i].indexOf(':')));
-                    c.keys[i] = c.keys[i].substring(c.keys[i].lastIndexOf(':') + 1);
-                    c.vals[i] = uri + "." + c.vals[i];
-                }                    
-                if ((c.keys[i].equals("preapply") || c.keys[i].endsWith(":preapply")) && c.localName.equals("template")) {
-                    String uri = "";
-                    if (c.keys[i].endsWith(":preapply")) {
-                        uri = "." + c.urimap.get(c.keys[i].substring(0, c.keys[i].indexOf(':')));
-                        c.keys[i] = c.keys[i].substring(c.keys[i].lastIndexOf(':') + 1);
-                    }
+                if (c.keys[i] == null) throw new RuntimeException("XML parser returned a null key position="+i);
+                if (c.keys[i].equals("font") && c.uris[i] != null) c.vals[i] = c.uris[i] + "." + c.vals[i];
+                if (c.keys[i].equals("preapply")) {
+                    // process preapply and 'remove' from array
+                    String uri = c.uris[i] == null ? "" : c.uris[i] + '.';
                     StringTokenizer tok = new StringTokenizer(c.vals[i].toString(), " ");
                     while(tok.hasMoreTokens()) t.preapply.addElement(uri + tok.nextToken());
-                    c.keys[i] = c.keys[c.keys.length - 1];
-                    c.vals[i] = c.vals[c.vals.length - 1];
-                    i--;
+
+                    if (i < c.len - 1) { // not the last attribute
+                        c.keys[i] = c.keys[c.len - 1];
+                        c.vals[i] = c.vals[c.len - 1];
+                        c.uris[i] = c.uris[c.len - 1];
+                    }
+                    c.len--; i--;
                     continue;
                 }
                 h.put(c.keys[i], c.vals[i]);
@@ -278,21 +287,19 @@ public class Template {
             }
         }
 
-        private Function parseScript(boolean isstatic) {
-            Function 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;
-            }
+        private JSFunction parseScript(boolean isstatic) throws IOException {
+            JSFunction thisscript = null;
+            String contentString = t.content.toString();
+            if (contentString.trim().length() > 0)
+                thisscript = JSFunction.fromReader(t.fileName + (isstatic ? "._" : ""),
+                                                   t.content_start,
+                                                   new StringReader(contentString));
             t.content = null;
             t.content_start = 0;
-            t.content_lines = 0;
             return thisscript;
         }
 
-        public void endElement(XML.Element c) throws XML.SchemaException {
+        public void endElement(XML.Element c) throws XML.SchemaException, IOException {
             if (state == STATE_IN_XWT_NODE) {
                 if ("static".equals(nameOfHeaderNodeBeingProcessed) && t.content != null) t.staticscript = parseScript(true);
                 nameOfHeaderNodeBeingProcessed = null;
@@ -309,6 +316,9 @@ public class Template {
                     t = (Template)nodeStack.lastElement();
                     nodeStack.setSize(nodeStack.size() - 1);
                     t.children.addElement(oldt);
+
+                    int oldt_lines = getLine() - oldt.startLine;
+                    for (int i=0; oldt_lines > i; i++) t.content.append('\n');
                 }
             }
          }
@@ -321,12 +331,10 @@ public class Template {
             if ("static".equals(nameOfHeaderNodeBeingProcessed) || state == STATE_IN_TEMPLATE_NODE) {
                 if (t.content == null) {
                     t.content_start = getLine();
-                    t.content_lines = 0;
                     t.content = new StringBuffer();
                 }
 
                 t.content.append(ch, start, length);
-                t.content_lines++;
 
             } else if (nameOfHeaderNodeBeingProcessed != null && state != STATE_FINISHED_TEMPLATE_NODE) {
                 throw new XML.SchemaException("header node <" + nameOfHeaderNodeBeingProcessed + "> cannot have text content");
@@ -336,31 +344,31 @@ public class Template {
         public void whitespace(char[] ch, int start, int length) throws XML.SchemaException { }
     }
 
-    private static class PerInstantiationScope extends JS.Scope {
+    private static class PerInstantiationJSScope extends JSScope {
         XWT xwt = null;
-        PerInstantiationScope parentBoxPis = null;
-        JS.Scope myStatic = null;
-        void putDollar(String key, Box target) {
+        PerInstantiationJSScope 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 PerInstantiationScope(Scope parentScope, XWT xwt, PerInstantiationScope parentBoxPis, JS.Scope myStatic) {
+        public PerInstantiationJSScope(JSScope parentScope, XWT xwt, PerInstantiationJSScope parentBoxPis, JSScope myStatic) {
             super(parentScope);
             this.parentBoxPis = parentBoxPis;
             this.xwt = xwt;
             this.myStatic = myStatic;
         }
-        public boolean isTransparent() { return true; }
-        public Object get(Object key) {
+        public Object get(Object key) throws JSExn {
             if (super.has(key)) return super.get(key);
             if (key.equals("xwt")) return xwt;
+            if (key.equals("")) return xwt.rr;
             if (key.equals("static")) return myStatic;
             return super.get(key);
         }
-        public Object put(Object key, Object val) {
-            if (super.has(key)) return super.put(key, val);
-            return super.put(key, val);
+        public void put(Object key, Object val) throws JSExn {
+            if (super.has(key)) super.put(key, val);
+            else super.put(key, val);
         }
     }