X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fxwt%2FTemplate.java;h=03dd337e7c10368342fe0f1b2a292c59db0b451b;hb=16ad8b9430571d806f2aeb18ec472a277ff69423;hp=dbd39cc56fd5bfb31c97b92c8b50e833fc0c89f9;hpb=c730780164e644077bb9cb3906a6519824a67de4;p=org.ibex.core.git diff --git a/src/org/xwt/Template.java b/src/org/xwt/Template.java index dbd39cc..03dd337 100644 --- a/src/org/xwt/Template.java +++ b/src/org/xwt/Template.java @@ -1,4 +1,4 @@ -// Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL] +// Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL] package org.xwt; import java.io.*; @@ -26,22 +26,19 @@ 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 - - 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) + 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 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 + 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 // Only used during parsing ///////////////////////////////////////////////////////////////// @@ -49,113 +46,91 @@ public class Template { 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 content private int startLine = -1; ///< the line number that this element starts on - private final Res r; ///< the resource we came from + private XWT xwt; // Static data/methods /////////////////////////////////////////////////////////////////// - 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) { throw new JSExn(e.toString()); - } - } - - public static Res resolveStringToResource(String str, XWT xwt, boolean permitAbsolute) throws JSExn { - // URL - if (str.indexOf("://") != -1) { - if (permitAbsolute) return (Res)xwt.url2res(str); - throw new JSExn("absolute URL " + str + " not permitted here"); - } - - // root-relative - Res 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 = (Res)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 //////////////////////////////////////////////////////// - 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 */ JSScope getStatic() throws JSExn { - if (staticJSScope == null) staticJSScope = new JSScope(null); - if (staticscript == null) return staticJSScope; - JSFunction temp = staticscript; + if (staticScope == null) staticScope = new PerInstantiationScope(null, xwt, null, null); + if (staticscript == null) return staticScope; + JS temp = staticscript; staticscript = null; - temp.cloneWithNewParentScope(staticJSScope).call(null, null, null, null, 0); - return staticJSScope; + JS.cloneWithNewParentScope(temp, 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 $-references * @param ptemplates a vector of the fileNames to recieve private references on the pboxes */ - void apply(Box b, XWT xwt) { + void apply(Box b) throws JSExn { try { - apply(b, xwt, null); + apply(b, null); + } catch (IOException e) { + b.clear(b.VISIBLE); + b.mark_for_repack(); + Log.warn(this, e); + throw new JSExn(e.toString()); } catch (JSExn e) { b.clear(b.VISIBLE); b.mark_for_repack(); - Log.log(Template.class, "WARNING: exception (below) thrown during application of template;"); - Log.log(Template.class, " setting visibility of target box to \"false\""); - Log.logJS(e); + Log.warn(this, e); + throw e; } } - - private void apply(Box b, XWT xwt, PerInstantiationJSScope parentPis) throws JSExn { - + private void apply(Box b, PerInstantiationScope parentPis) throws JSExn, IOException { getStatic(); + // FIXME this dollar stuff is all wrong if (id != null) parentPis.putDollar(id, b); - for(int i=0; i= 0) { - b.putAndTriggerTraps("fill", resolveStringToResource((String)vals[i], xwt, true)); - } - else if ("redirect".equals(keys[i])) { - if (vals[i] == null || "null".equals(vals[i])) b.putAndTriggerTraps("redirect", null); - Object rbox = pis.get("$"+vals[i]); - if (rbox == null) Log.log(this, "redirect target '"+vals[i]+"' not found"); - else b.putAndTriggerTraps("redirect", rbox); + if (script != null) JS.cloneWithNewParentScope(script, pis).call(null, null, null, null, 0); + + 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 = xwt.resolveStringToResource(((String)val).substring(1), false); + // FIXME: url case + // FIXME: should we be resolving all of these in the XML-parsing code? + } } - else if (keys[i] != null) b.putAndTriggerTraps(keys[i], vals[i]); + + b.putAndTriggerTraps(key, val); + } } @@ -223,10 +198,10 @@ public class Template { // push the last node we were in onto the stack nodeStack.addElement(t); // instantiate a new node, and set its fileName/importlist/preapply - Template t2 = new Template(t.r); + 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); @@ -244,34 +219,15 @@ public class Template { // 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(), " "); - while(tok.hasMoreTokens()) t.preapply.addElement(uri + tok.nextToken()); - continue ATTR; - case "id": t.id = c.getAttrVal(i).toString().intern(); 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; @@ -281,8 +237,6 @@ public class Template { 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); @@ -314,13 +268,11 @@ public class Template { } } - private JSFunction parseScript(boolean isstatic) throws IOException { - JSFunction thisscript = null; + private JS parseScript(boolean isstatic) throws IOException { + JS thisscript = null; String contentString = t.content.toString(); if (contentString.trim().length() > 0) - thisscript = JSFunction.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; @@ -353,7 +305,7 @@ public class Template { 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) { @@ -371,16 +323,16 @@ public class Template { 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; @@ -389,7 +341,7 @@ public class Template { 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("")) return xwt.get(""); if (key.equals("static")) return myStatic; return super.get(key); }