From 1710554809835a82415a1f8789bed3016c58fc96 Mon Sep 17 00:00:00 2001
From: "David A. Madore" <david+git@madore.org>
Date: Sun, 28 Aug 2011 22:35:34 +0200
Subject: Handling of weblog index (including killing nested a elements).
---
org/madore/damlengine/Context.java | 3 +
org/madore/damlengine/TodoElement.java | 7 ++
org/madore/damlengine/TodoKillAElement.java | 32 +++++++
.../damlengine/TodoWeblogIndexSelectElement.java | 100 +++++++++++++++++++++
org/madore/damlengine/WeblogIndexSelect.java | 16 ++++
org/madore/damlengine/WeblogSummary.java | 19 ++--
6 files changed, 170 insertions(+), 7 deletions(-)
create mode 100644 org/madore/damlengine/TodoKillAElement.java
create mode 100644 org/madore/damlengine/TodoWeblogIndexSelectElement.java
create mode 100644 org/madore/damlengine/WeblogIndexSelect.java
diff --git a/org/madore/damlengine/Context.java b/org/madore/damlengine/Context.java
index 8b62b6b..388a076 100644
--- a/org/madore/damlengine/Context.java
+++ b/org/madore/damlengine/Context.java
@@ -71,9 +71,12 @@ public class Context implements Cloneable {
public EntryContext ent;
+ public boolean killA;
+
public Context(Document doc) {
this.doc = doc;
this.gc = new GeneralContext();
+ this.killA = false;
}
public Context clone() {
diff --git a/org/madore/damlengine/TodoElement.java b/org/madore/damlengine/TodoElement.java
index 320724c..5c90366 100644
--- a/org/madore/damlengine/TodoElement.java
+++ b/org/madore/damlengine/TodoElement.java
@@ -62,8 +62,12 @@ public abstract class TodoElement extends TodoItem {
damlFactories.put("smiley-evil", new TodoSmileyElement.Factory(TodoSmileyElement.Type.EVIL));
damlFactories.put("img-a", new TodoImgAElement.Factory());
damlFactories.put("weblog-select", new TodoWeblogSelectElement.Factory());
+ damlFactories.put("weblog-index-select", new TodoWeblogIndexSelectElement.Factory());
}
+ protected final static Factory killAFactory
+ = new TodoKillAElement.Factory();
+
protected final Element node;
public TodoElement(Element node,
@@ -80,6 +84,9 @@ public abstract class TodoElement extends TodoItem {
String nsuri = node.getNamespaceURI();
if ( nsuri != null && nsuri.equals(DamlEngine.DAML_NS) )
factory = damlFactories.get(node.getLocalName());
+ else if ( nsuri != null && nsuri.equals(DamlEngine.XHTML_NS)
+ && ctx.killA && node.getLocalName().equals("a") )
+ factory = killAFactory;
if ( factory == null )
factory = damlDefaultFactory;
return factory.newItem(node, ctx, caller);
diff --git a/org/madore/damlengine/TodoKillAElement.java b/org/madore/damlengine/TodoKillAElement.java
new file mode 100644
index 0000000..ea63a05
--- /dev/null
+++ b/org/madore/damlengine/TodoKillAElement.java
@@ -0,0 +1,32 @@
+package org.madore.damlengine;
+
+import java.util.ArrayList;
+import org.w3c.dom.*;
+
+public final class TodoKillAElement extends TodoDefaultElement {
+
+ public static class Factory extends TodoElement.Factory {
+ @Override
+ public TodoKillAElement newItem(Element node,
+ Context ctx,
+ TodoItem caller) {
+ return new TodoKillAElement(node, ctx, caller);
+ }
+ }
+
+ public TodoKillAElement(Element node,
+ Context ctx,
+ TodoItem caller) {
+ super(node, ctx, caller);
+ }
+
+ @Override
+ public void handleNodeOnly() {
+ ArrayList<Node> childList = getChildList(node);
+ for ( Node child : childList ) {
+ node.getParentNode().insertBefore(child, node);
+ }
+ node.getParentNode().removeChild(node);
+ }
+
+}
diff --git a/org/madore/damlengine/TodoWeblogIndexSelectElement.java b/org/madore/damlengine/TodoWeblogIndexSelectElement.java
new file mode 100644
index 0000000..b82953a
--- /dev/null
+++ b/org/madore/damlengine/TodoWeblogIndexSelectElement.java
@@ -0,0 +1,100 @@
+package org.madore.damlengine;
+
+import java.util.Iterator;
+import java.util.ArrayList;
+import java.util.TreeSet;
+import java.util.regex.Pattern;
+import java.util.regex.Matcher;
+import org.w3c.dom.*;
+import org.w3c.dom.ls.DOMImplementationLS;
+import org.w3c.dom.ls.LSParser;
+import org.w3c.dom.ls.LSInput;
+
+public final class TodoWeblogIndexSelectElement extends TodoDefaultElement {
+
+ public static class Factory extends TodoElement.Factory {
+ @Override
+ public TodoWeblogIndexSelectElement newItem(Element node,
+ Context ctx,
+ TodoItem caller) {
+ return new TodoWeblogIndexSelectElement(node, ctx, caller);
+ }
+ }
+
+ public TodoWeblogIndexSelectElement(Element node,
+ Context ctx,
+ TodoItem caller) {
+ super(node, ctx, caller);
+ }
+
+ @Override
+ public void handleNodeOnly() {
+ WeblogSummary wsum = WeblogSummary.getSummary();
+ if ( wsum == null || wsum.entries == null ) {
+ throw new IllegalStateException("weblog-index-select element encountered with no weblog summary available");
+ }
+ TreeSet<Integer> entlist = new TreeSet<Integer>(wsum.entries.keySet());
+ Element ul = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "ul");
+ ul.setAttributeNS(null, "id", "index");
+ ul.appendChild(ctx.doc.createTextNode("\n"));
+ node.getParentNode().replaceChild(ul, node);
+ final DOMImplementationLS domi
+ = (DOMImplementationLS)ctx.doc.getImplementation();
+ LSParser par = domi.createLSParser(DOMImplementationLS.MODE_SYNCHRONOUS, null);
+ ArrayList<TodoElement> toProcess
+ = new ArrayList<TodoElement>(entlist.size()*2);
+ Context ctx2 = ctx.clone(); ctx2.killA = true;
+ for ( Iterator<Integer> iter=entlist.descendingIterator() ; iter.hasNext() ; ) {
+ WeblogSummary.EntrySummary ent = wsum.entries.get(iter.next());
+ Matcher matcher = Pattern.compile("^(\\d{4})-(\\d{2})-(\\d{2})$").matcher(ent.date);
+ if ( ! matcher.matches() )
+ throw new IllegalArgumentException("entry "+ent.id+" has badly formed date");
+ String yearStr = matcher.group(1);
+ String monthStr = matcher.group(2);
+ String dayStr = matcher.group(3);
+ String numberStr = String.format("%04d",ent.id);
+ String targetFile = "";
+ targetFile = ((ctx.gc.uriToTop==null)?"":(ctx.gc.uriToTop+"weblog/"))
+ + yearStr + "-" + monthStr + ".html";
+ String targetFragment = "d." + yearStr + "-" + monthStr
+ + "-" + dayStr + "." + numberStr;
+ String target = targetFile + "#" + targetFragment;
+ Element li = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "li");
+ ul.appendChild(li);
+ ul.appendChild(ctx.doc.createTextNode("\n"));
+ li.setAttributeNS(null, "id", targetFragment);
+ li.setAttributeNS(null, "class", "weblog-index-entry");
+ LangHelper.setLangRec(li, ent.lang);
+ Element link;
+ if ( ent.titleXml == null ) {
+ link = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "a");
+ li.appendChild(link);
+ link.appendChild(ctx.doc.createTextNode(ent.date));
+ } else {
+ li.appendChild(ctx.doc.createTextNode(ent.date+": "));
+ link = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "a");
+ li.appendChild(link);
+ LSInput input = domi.createLSInput();
+ input.setStringData(ent.titleXml);
+ Document temp = par.parse(input);
+ Node newNode = ctx.doc.adoptNode(temp.getDocumentElement());
+ String explicitLang = LangHelper.getLangNorec(newNode);
+ if ( explicitLang != null )
+ LangHelper.setLangNorec(link, explicitLang);
+ ArrayList<Node> childList = getChildList(newNode);
+ for ( Node child : childList ) {
+ link.appendChild(child);
+ if ( child instanceof Element ) {
+ TodoElement it
+ = TodoElement.getTodoElement((Element)child,
+ ctx2, this);
+ toProcess.add(it);
+ }
+ }
+ }
+ link.setAttributeNS(null, "href", target);
+ }
+ this.ownerDeque.registerAtStart(toProcess);
+ }
+
+}
diff --git a/org/madore/damlengine/WeblogIndexSelect.java b/org/madore/damlengine/WeblogIndexSelect.java
new file mode 100644
index 0000000..5d6bc53
--- /dev/null
+++ b/org/madore/damlengine/WeblogIndexSelect.java
@@ -0,0 +1,16 @@
+package org.madore.damlengine;
+
+public final class WeblogIndexSelect {
+
+ private WeblogIndexSelect() { // Forbid instantiation
+ throw new AssertionError("WeblogIndexSelect cannot be instantiated");
+ }
+
+ public static void main(String[] args)
+ throws Exception {
+
+ DamlEngine.fullProcess("weblog-index-template.daml", System.out, null);
+
+ }
+
+}
diff --git a/org/madore/damlengine/WeblogSummary.java b/org/madore/damlengine/WeblogSummary.java
index ceaf28e..babfcf5 100644
--- a/org/madore/damlengine/WeblogSummary.java
+++ b/org/madore/damlengine/WeblogSummary.java
@@ -11,11 +11,15 @@ public final class WeblogSummary {
public static final class EntrySummary {
int id;
String date;
- String title;
- public EntrySummary(int id, String date, String title) {
+ String lang;
+ String title; String titleXml;
+ public EntrySummary(int id, String date, String lang,
+ String title, String titleXml) {
this.id = id;
this.date = date;
+ this.lang = lang;
this.title = title;
+ this.titleXml = titleXml;
}
}
@@ -34,18 +38,19 @@ public final class WeblogSummary {
try {
final Connection conn = WeblogDatabaseConnection.getConnection();
final PreparedStatement selSt
- = conn.prepareStatement("SELECT id , edate , title FROM entries");
+ = conn.prepareStatement("SELECT id , edate , lang , title , title_xml FROM entries");
final ResultSet selRes = selSt.executeQuery();
while ( selRes.next() ) {
int id = selRes.getInt(1);
String date = selRes.getString(2);
- String title = selRes.getString(3);
- singleton.entries.put(new Integer(id), new EntrySummary(id, date, title));
+ String lang = selRes.getString(3);
+ String title = selRes.getString(4);
+ String titleXml = selRes.getString(5);
+ singleton.entries.put(new Integer(id), new EntrySummary(id, date, lang, title, titleXml));
}
} catch (SQLException e) {
- throw new RuntimeException(e);
// Well, we'll have no summary. Too bad, but better than abort.
- // singleton = null;
+ singleton = null;
}
return singleton;
}
--
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