From 0f041a8ad9595584c9e048ec026ff87cbf481c6f Mon Sep 17 00:00:00 2001
From: "David A. Madore" <david+git@madore.org>
Date: Sat, 6 Apr 2013 19:17:18 +0200
Subject: Rewrite selection of d:wref target in a hopefully less messy way.

---
 org/madore/damlengine/TodoWrefAttr.java | 68 +++++++++++++++++----------------
 1 file changed, 36 insertions(+), 32 deletions(-)

(limited to 'org/madore/damlengine')

diff --git a/org/madore/damlengine/TodoWrefAttr.java b/org/madore/damlengine/TodoWrefAttr.java
index 95583e4..0a94e0d 100644
--- a/org/madore/damlengine/TodoWrefAttr.java
+++ b/org/madore/damlengine/TodoWrefAttr.java
@@ -32,45 +32,49 @@ public class TodoWrefAttr extends TodoAttr {
 	String wrefDayStr = wrefMatcher.group(3);
 	String wrefNumberStr = wrefMatcher.group(4);
 	String wrefSupplementStr = wrefMatcher.group(5);
-	String targetFile = "";
-	boolean isLocal = false;
-	if ( ctx.wsc != null && ctx.wsc.sel != null
+	String targetFile;
+	String targetStdDir = (ctx.gc.uriToTop==null)?"":(ctx.gc.uriToTop+"weblog/");
+	WeblogSummary wsum = WeblogSummary.getSummary();
+	WeblogSummary.EntrySummary esum;
+	// Get entry for target link from weblog summary
+	if ( wsum != null && wsum.entries != null )
+	    esum = wsum.entries.get(new Integer(wrefNumberStr));
+	else
+	    esum = null;
+	// Check consistency if summary was available
+	if ( esum != null ) {
+	    if ( ! ((wrefYearStr+"-"+wrefMonthStr+"-"+wrefDayStr)
+		    .equals(esum.date)) )
+		throw new IllegalArgumentException("date mismatch for reference to entry "+wrefNumberStr);
+	}
+	// Choose file portion of link target
+	if ( esum != null && esum.doSinglePage != null && ! wrefSupplementStr.equals("") ) {
+	    targetFile = targetStdDir + esum.date + "-" + esum.doSinglePage + ".html";
+	} else if ( ctx.wsc != null && ctx.wsc.sel != null
 	     && ctx.wsc.sel.contains(new Integer(wrefNumberStr)) ) {
-	    isLocal = true;
 	    targetFile = "";
-	} else
-	    targetFile = ((ctx.gc.uriToTop==null)?"":(ctx.gc.uriToTop+"weblog/"))
-		+ wrefYearStr + "-" + wrefMonthStr + ".html";
+	} else {
+	    targetFile = targetStdDir + wrefYearStr + "-" + wrefMonthStr + ".html";
+	    if ( esum != null && esum.doSinglePage != null
+		 // Note to self: remember we could be called from d:wxref
+		 // because of link on "older entries": we don't want
+		 // to link to single entry page in this case. :-\
+		 && ! ( caller instanceof TodoWXrefAttr ) ) {
+		targetFile = targetStdDir + esum.date + "-" + esum.doSinglePage + ".html";
+	    }
+	}
+	// Construct full link target
 	String targetFragment = "d." + wrefYearStr + "-" + wrefMonthStr
 	    + "-" + wrefDayStr + "." + wrefNumberStr + wrefSupplementStr;
 	String target = targetFile + "#" + targetFragment;
+	// Class and title attributes
 	if ( ! this.owner.hasAttributeNS(null, "class") )
 	    this.owner.setAttributeNS(null, "class", "weblog-internal-link");
-	WeblogSummary wsum = WeblogSummary.getSummary();
-	if ( wsum != null && wsum.entries != null ) {
-	    WeblogSummary.EntrySummary esum
-		= wsum.entries.get(new Integer(wrefNumberStr));
-	    if ( esum != null ) {
-		if ( ! ((wrefYearStr+"-"+wrefMonthStr+"-"+wrefDayStr)
-			.equals(esum.date)) )
-		    throw new IllegalArgumentException("date mismatch for reference to entry "+wrefNumberStr);
-		if ( esum.doSinglePage != null
-		     && ! ( wrefSupplementStr.equals("")
-			    && isLocal )
-		     // Note to self: remember we could be called from d:wxref
-		     // because of link on "older entries": we don't want
-		     // to link to single entry page in this case. :-\
-		     && ! ( caller instanceof TodoWXrefAttr ) ) {
-		    targetFile = ((ctx.gc.uriToTop==null)?"":(ctx.gc.uriToTop+"weblog/"))
-			+ esum.date + "-" + esum.doSinglePage + ".html";
-		    target = targetFile + "#" + targetFragment;
-		}
-		if ( wrefSupplementStr.equals("")
-		     && ! this.owner.hasAttributeNS(null, "title")
-		     && esum.title != null )
-		    this.owner.setAttributeNS(null, "title", esum.title);
-	    }
-	}
+	if ( wrefSupplementStr.equals("")
+	     && ! this.owner.hasAttributeNS(null, "title")
+	     && esum != null && esum.title != null )
+	    this.owner.setAttributeNS(null, "title", esum.title);
+	// Replace this attribute by computed target
 	this.owner.removeAttributeNode(this.attr);
 	this.owner.setAttributeNS(null, "href", target);
     }
-- 
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