yacyWiki now supports the [[Image:]] tag

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@478 6c8d7289-2bf4-0310-a012-ef5d649a1542

htroot/Wiki.java

@@ -40,6 +40,7 @@
 // Contributions and changes to the program code must be marked as such.
 
 // Contains contributions from Alexandier Schier [AS]
+// and Marc Nause [MN]
 
 // You must compile this file with
 // javac -classpath .:../classes Wiki.java
@@ -334,27 +335,59 @@ public class Wiki {
 
 
         // create  links
-	String kl, kv;
+	String kl, kv, alt, align;
         int p;
-        // internal links
+        // internal links and images
         while ((p0 = result.indexOf("[[")) >= 0) {
 	    p1 = result.indexOf("]]", p0 + 2);
 	    if (p1 <= p0) break; else; {
 		kl = result.substring(p0 + 2, p1);
-                if ((p = kl.indexOf("|")) > 0) {
-                    kv = kl.substring(p + 1);
-                    kl = kl.substring(0, p);
-                } else {
-                    kv = kl;
-                }
-		if (switchboard.wikiDB.read(kl) != null)
-		    result = result.substring(0, p0) +
-			"<a class=\"known\" href=\"Wiki.html?page=" + kl + "\">" + kv + "</a>" +
-			result.substring(p1 + 2);
-		else
-		    result = result.substring(0, p0) +
-			"<a class=\"unknown\" href=\"Wiki.html?page=" + kl + "&edit=Edit\">" + kv + "</a>" +
-			result.substring(p1 + 2);
+		
+		// this is the part of the code that's responsible for images
+		// contibuted by [MN]
+		if(kl.startsWith("Image:")){
+			alt = "";
+			align = "";
+			kv = "";
+			kl = kl.substring(6);
+			
+			// are there any arguments for the image?
+			if ((p = kl.indexOf("|")) > 0) {
+                	    kv = kl.substring(p+1);
+                	    kl = kl.substring(0, p);
+			
+			    	// if there are 2 arguments, write them into ALIGN and ALT
+				if ((p = kv.indexOf("|")) > 0) {
+				    align = " align=\"" + kv.substring(0, p) +"\"";
+                		    alt = " alt=\"" + kv.substring(p + 1) +"\"";
+                		}
+				
+				// if there is just one, put it into ALT
+				else alt = " alt=\"" + kv +"\"";
+			}
+			
+			result = result.substring(0, p0) + "<img src=\"" + kl + "\"" + align + alt +">" + result.substring(p1 + 2);
+		}
+		// end contrib [MN]
+		
+		// if it's no image, it might be an internal link
+                else {
+		
+			if ((p = kl.indexOf("|")) > 0) {
+                	    kv = kl.substring(p + 1);
+                	    kl = kl.substring(0, p);
+                	} else {
+                	    kv = kl;
+                	}
+			if (switchboard.wikiDB.read(kl) != null)
+		    	result = result.substring(0, p0) +
+				"<a class=\"known\" href=\"Wiki.html?page=" + kl + "\">" + kv + "</a>" +
+				result.substring(p1 + 2);
+			else
+			    result = result.substring(0, p0) +
+				"<a class=\"unknown\" href=\"Wiki.html?page=" + kl + "&edit=Edit\">" + kv + "</a>" +
+				result.substring(p1 + 2);
+		}
 	    }
 	}