*) added escape characters [= and =] to yacyWiki

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@622 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/data/wikiCode.java

@@ -71,6 +71,9 @@ public class wikiCode {
     private String ListLevel="";
     private String defListLevel="";
     private plasmaSwitchboard sb;
+    private boolean escape = false;     //needed for escape
+    private boolean escapeSpan = false; //needed for escape symbols [= and =] spanning over several lines    
+    
     public wikiCode(plasmaSwitchboard switchboard){
         sb=switchboard;
     }
@@ -110,6 +113,11 @@ public class wikiCode {
 	//p0 = 0; while ((p0 = result.indexOf("*", p0+1)) >= 0) result = result.substring(0, p0) + "•" + result.substring(p0 + 1);
 	p0 = 0; while ((p0 = result.indexOf("(C)", p0+1)) >= 0) result = result.substring(0, p0) + "©" + result.substring(p0 + 3);
 	
+	
+	//check if line contains any escape symbol of if we are in an esacpe sequence already
+	//if that's the case the program will continue further below [MN]
+	if((result.indexOf("[=")<0)&&(result.indexOf("=]")<0)&&(!escapeSpan)){
+        
             // format lines
             if (result.startsWith(" ")) result = "<tt>" + result + "</tt>";
             if (result.startsWith("----")) result = "<hr>";
@@ -373,8 +381,36 @@ public class wikiCode {
 		        result.substring(p1 + 1);
 	        }
 	    }
+	}
 	
-	if ((result.endsWith("</li>"))||(defList)) return result; else return result + "<br>";
+	//escape code contributed by [MN]
+	//both [= and =] in the same line
+	else if(((p0 = result.indexOf("[="))>=0)&&((p1 = result.indexOf("=]"))>=0)){
+	    String escapeText = result.substring(p0+2,p1);
+	    result = transformLine(result.substring(0,p0)+"!escape!!Text!"+result.substring(p1+2), switchboard);
+	    result = result.replaceAll("!escape!!Text!", escapeText);
+	}
+	
+	//start [=
+	else if(((p0 = result.indexOf("[="))>=0)&&(!escapeSpan)){
+	    escape = true;    //prevent surplus line breaks
+	    String escapeText = result.substring(p0+2);
+	    result = transformLine(result.substring(0,p0)+"!escape!!Text!", switchboard);
+	    result = result.replaceAll("!escape!!Text!", escapeText);
+	    escape = false;
+	    escapeSpan = true;
+	}
+	
+	//end =]
+	else if(((p0 = result.indexOf("=]"))>=0)&&(escapeSpan)){
+	    escapeSpan = false;
+	    String escapeText = result.substring(0,p0);
+	    result = transformLine("!escape!!Text!"+result.substring(p0+2), switchboard);
+	    result = result.replaceAll("!escape!!Text!", escapeText);
+	}
+	//end contrib [MN]
+	
+	if ((result.endsWith("</li>"))||(defList)||(escape)) return result; else return result + "<br>";
     }
     /*
       what we need:
@@ -403,6 +439,11 @@ public class wikiCode {
       A picture: [[Image:Wiki.png]]
       [[Image:Wiki.png|right|jigsaw globe]] (floating right-side with caption)
       
+      
+      what we got in addition to that:
+      
+      [= escape characters =]
+
     */
 
 }