X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fxwt%2FTemplate.java;h=03dd337e7c10368342fe0f1b2a292c59db0b451b;hb=16ad8b9430571d806f2aeb18ec472a277ff69423;hp=25159b471748f999401beca28819ebcc3caeafcd;hpb=a03f96763f672e067b1cc08dcf17261a12e9e2e2;p=org.ibex.core.git
diff --git a/src/org/xwt/Template.java b/src/org/xwt/Template.java
index 25159b4..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.*;
@@ -6,6 +6,7 @@ import java.util.zip.*;
import java.util.*;
import java.lang.*;
import org.xwt.js.*;
+import org.xwt.translators.*;
import org.xwt.util.*;
/**
@@ -25,22 +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 /////////////////////////////////////////////////////////////////
@@ -48,88 +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) {
- 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 == null ? "null" : r.t.fileName, e);
- return null;
- }
- }
-
- public static Res resolveStringToResource(String str, XWT xwt, boolean permitAbsolute) {
- // URL
- if (str.indexOf("://") != -1) {
- // FIXME
- //if (permitAbsolute) return Res.fromString(str);
- Log.log(Template.class, "absolute URL " + str + " not permitted here");
- return null;
- }
-
- // 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; }
-
/** called before this template is applied or its static object can be externally referenced */
- JSScope getStatic() {
- if (staticJSScope == null) staticJSScope = new JSScope(null);
- if (staticscript == null) return staticJSScope;
- JSFunction temp = staticscript;
+ JSScope getStatic() throws JSExn {
+ 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 $-references
* @param ptemplates a vector of the fileNames to recieve private references on the pboxes
*/
- void apply(Box b, XWT xwt) { apply(b, xwt, null); }
- void apply(Box b, XWT xwt, PerInstantiationJSScope parentPis) {
+ void apply(Box b) throws JSExn {
+ try {
+ apply(b, null);
+ } catch (IOException e) {
+ b.clear(b.VISIBLE);
+ b.mark_for_repack();
+ Log.warn(this, e);
+ throw new JSExn(e.toString());
+ } catch (JSExn e) {
+ b.clear(b.VISIBLE);
+ b.mark_for_repack();
+ Log.warn(this, e);
+ throw e;
+ }
+ }
+ private void apply(Box b, PerInstantiationScope parentPis) throws JSExn, IOException {
getStatic();
+ // FIXME this dollar stuff is all wrong
if (id != null) parentPis.putDollar(id, b);
- for(int i=0; i 0) {
+ switch (((String)val).charAt(0)) {
+ case '$':
+ 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?
+ }
+ }
- for(int i=0; keys != null && iroot */
- void parseit(InputStream is, Template root) throws XML.XMLException, IOException {
+ void parseit(InputStream is, Template root) throws XML.Exn, IOException {
state = STATE_INITIAL;
nameOfHeaderNodeBeingProcessed = null;
nodeStack.setSize(0);
@@ -161,90 +162,88 @@ public class Template {
parse(new InputStreamReader(is));
}
- public void startElement(XML.Element c) throws XML.SchemaException {
+ public void startElement(XML.Element c) throws XML.Exn {
switch(state) {
case STATE_INITIAL:
- if (!"xwt".equals(c.localName)) throw new XML.SchemaException("root element was not ");
- if (c.len != 0) throw new XML.SchemaException("root element must not have attributes");
+ if (!"xwt".equals(c.getLocalName()))
+ throw new XML.Exn("root element was not ", XML.Exn.SCHEMA, getLine(), getCol());
+ if (c.getAttrLen() != 0)
+ throw new XML.Exn("root element must not have attributes", XML.Exn.SCHEMA, getLine(), getCol());
state = STATE_IN_XWT_NODE;
return;
case STATE_IN_XWT_NODE:
- if (nameOfHeaderNodeBeingProcessed != null) throw new XML.SchemaException("can't nest header nodes");
- nameOfHeaderNodeBeingProcessed = c.localName;
- if (c.localName.equals("doc")) {
+ if (nameOfHeaderNodeBeingProcessed != null)
+ throw new XML.Exn("can't nest header nodes", XML.Exn.SCHEMA, getLine(), getCol());
+ nameOfHeaderNodeBeingProcessed = c.getLocalName();
+ //#switch(c.getLocalName())
+ case "doc":
// FEATURE
- } else if (c.localName.equals("static")) {
+ return;
+ case "static":
if (t.staticscript != null)
- throw new XML.SchemaException("the header node may not appear more than once");
- if (c.len > 0)
- throw new XML.SchemaException("the node may not have attributes");
- } else if (c.localName.equals("template")) {
+ throw new XML.Exn("the header node may only appear once", XML.Exn.SCHEMA, getLine(), getCol());
+ if (c.getAttrLen() > 0)
+ throw new XML.Exn("the node may not have attributes", XML.Exn.SCHEMA, getLine(), getCol());
+ return;
+ case "template":
t.startLine = getLine();
state = STATE_IN_TEMPLATE_NODE;
processBodyElement(c);
- } else {
- throw new XML.SchemaException("unrecognized header node \"" + c.localName + "\"");
- }
- return;
+ return;
+ //#end
+ throw new XML.Exn("unrecognized header node \"" + c.getLocalName() + "\"", XML.Exn.SCHEMA, getLine(), getCol());
case STATE_IN_TEMPLATE_NODE:
// 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.localName.equals("box") && !c.localName.equals("template"))
- t2.preapply.addElement((c.uri == null ? "" : (c.uri + ".")) + c.localName);
+ if (!c.getLocalName().equals("box") && !c.getLocalName().equals("template"))
+ t2.tagname = ((c.getUri().equals("") ? "" : (c.getUri() + ".")) + c.getLocalName());
// make the new node the current node
t = t2;
processBodyElement(c);
return;
case STATE_FINISHED_TEMPLATE_NODE:
- throw new XML.SchemaException("no elements may appear after the node");
+ throw new XML.Exn("no elements may appear after the node", XML.Exn.SCHEMA, getLine(), getCol());
}
}
private void processBodyElement(XML.Element c) {
- Hash h = new Hash(c.len * 2, 3);
- for(int i=0; i0; j--) { t.keys[j] = t.keys[j - 1]; t.vals[j] = t.vals[j - 1]; }
- t.keys[0] = (String)v.elementAt(i);
- t.vals[0] = h.get(t.keys[0]);
- } else {
- t.keys[i] = (String)v.elementAt(i);
- t.vals[i] = h.get(t.keys[i]);
- }
+ Vec keys = new Vec(c.getAttrLen());
+ Vec vals = new Vec(c.getAttrLen());
+
+ // 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 "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).startsWith(".") ? uri : "") + c.getAttrVal(i));
}
- for(int i=0; i 0)
- thisscript = JSFunction.fromReader(t.fileName + (isstatic ? "._" : ""),
- t.content_start,
- new StringReader(contentString));
- } catch (IOException ioe) {
- if (Log.on) Log.log(this, " ERROR: " + ioe.getMessage());
- thisscript = null;
- }
+ private JS parseScript(boolean isstatic) throws IOException {
+ JS thisscript = null;
+ String contentString = t.content.toString();
+ if (contentString.trim().length() > 0)
+ thisscript = JS.fromReader("FIXME", t.content_start, new StringReader(contentString));
t.content = null;
t.content_start = 0;
return thisscript;
}
- public void endElement(XML.Element c) throws XML.SchemaException {
+ public void endElement(XML.Element c) throws XML.Exn, IOException {
if (state == STATE_IN_XWT_NODE) {
if ("static".equals(nameOfHeaderNodeBeingProcessed) && t.content != null) t.staticscript = parseScript(true);
nameOfHeaderNodeBeingProcessed = null;
@@ -310,10 +302,10 @@ public class Template {
}
}
- public void characters(char[] ch, int start, int length) throws XML.SchemaException {
+ 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.SchemaException(
- t.fileName+ ":" + getLine() + "," + getCol() + ": tabs are not allowed in XWT files");
+ for (int i=0; length >i; i++) if (ch[start+i] == '\t')
+ 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) {
@@ -323,36 +315,37 @@ public class Template {
t.content.append(ch, start, length);
- } else if (nameOfHeaderNodeBeingProcessed != null && state != STATE_FINISHED_TEMPLATE_NODE) {
- throw new XML.SchemaException("header node <" + nameOfHeaderNodeBeingProcessed + "> cannot have text content");
+ } else if (nameOfHeaderNodeBeingProcessed != null && state != STATE_FINISHED_TEMPLATE_NODE) { throw new XML.Exn(
+ "header node <" +nameOfHeaderNodeBeingProcessed+ "> cannot have text content", XML.Exn.SCHEMA, getLine(), getCol());
}
}
- public void whitespace(char[] ch, int start, int length) throws XML.SchemaException { }
+ 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) {
+ 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;
this.myStatic = myStatic;
}
- 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.get("");
if (key.equals("static")) return myStatic;
return super.get(key);
}
- public void put(Object key, Object val) {
+ public void put(Object key, Object val) throws JSExn {
if (super.has(key)) super.put(key, val);
else super.put(key, val);
}