Initial commit

edkb12/edkb12 V13/EDKB12WS/VSdoc/search.js

@@ -0,0 +1,135 @@
+function stripSpaces(text) {
+//    return text.replace(/^\W+/,'').replace(/\W+$/,'');
+    return text.split(" ").join(" ");
+}
+
+function get_bitmap(setbit, size) {
+    var map = {};
+    for(var i=0;i<size;++i) map[i]=0;
+    map[setbit]=1;
+    return map;
+}
+
+function do_search() {
+    // hide all documents
+    for(var i=0;i<nurls;i++) document.getElementById("s_"+i).style.display="none";
+    document.getElementById("content").style.display="none";
+    document.getElementById("no_results").style.display="none";
+    document.getElementById("some_results").style.display="none";
+        
+    // extract all search terms
+    var term = stripSpaces(document.getElementById("q").value.toLowerCase());
+    qterms = [];
+    var chunks = term.split(" ");
+    for(var i in chunks)
+        if(chunks[i]) qterms[qterms.length] = chunks[i];
+
+    var candidates = {};
+    for(var i in qterms) {
+        var term = qterms[i];
+				/*   
+        if(index[term]!=undefined) {
+        	// whole words
+            for(var docid in index[term]) {
+                if(candidates[index[term][docid]]==undefined)
+                    candidates[index[term][docid]]=get_bitmap(i,qterms.length);
+                else
+                    candidates[index[term][docid]][i]=1;
+            }        
+        }
+        else {
+        */
+        	// parts of words
+            for(var keyid in index) {
+                if(keyid.indexOf(term)>=0) {
+                    for(var docid in index[keyid]) {
+                        if(candidates[index[keyid][docid]]==undefined)
+                            candidates[index[keyid][docid]]=get_bitmap(i,qterms.length);
+                        else 
+                            candidates[index[keyid][docid]][i]=1;
+                    }
+                }
+            }
+        //}
+    }
+    
+    
+    var somethingFound = false;
+    for(var key in candidates) {
+        var on=1;
+        for(var i in qterms) on = on && candidates[key][i];
+        if(on) {
+					document.getElementById("s_"+key).style.display="list-item";
+					somethingFound = true;
+				}
+    }
+    
+    if (somethingFound){
+    	document.getElementById("content").style.display="block";
+    	document.getElementById("some_results").style.display="block";
+		} else {
+    	document.getElementById("no_results").style.display="block";
+    }
+}
+
+function do_highlight() {
+	try {
+    colors=['yellow','lightgreen','gold','orange','magenta','lightblue'];
+    var searchFrame = top.frames["vbdocswitch"].frames["main-iframe"]
+    if(searchFrame.qterms!=undefined) {
+        for(var i in searchFrame.qterms) {
+            parent.frames['vbdocright'].document.body.innerHTML = doHighlight(parent.frames['vbdocright'].document.body.innerHTML,searchFrame.qterms[i],colors[i%colors.length]);
+						parent.frames['vbdocright'].init(); 
+        }
+    }
+  } catch (ex) {}
+}
+
+// from http://www.nsftools.com/misc/SearchAndHighlight.htm
+
+/*
+ * This is the function that actually highlights a text string by
+ * adding HTML tags before and after all occurrences of the search
+ * term. You can pass your own tags if you'd like, or if the
+ * highlightStartTag or highlightEndTag parameters are omitted or
+ * are empty strings then the default <font> tags will be used.
+ */
+function doHighlight(bodyText, searchTerm, color, highlightStartTag, highlightEndTag) 
+{
+  // the highlightStartTag and highlightEndTag parameters are optional
+  if ((!highlightStartTag) || (!highlightEndTag)) {
+    highlightStartTag = "<font style='background-color:"+color+";'>";
+    highlightEndTag = "</font>";
+  }
+  
+  // find all occurences of the search term in the given text,
+  // and add some "highlight" tags to them (we're not using a
+  // regular expression search, because we want to filter out
+  // matches that occur within HTML tags and script blocks, so
+  // we have to do a little extra validation)
+  var newText = "";
+  var i = -1;
+  var lcSearchTerm = searchTerm.toLowerCase();
+  var lcBodyText = bodyText.toLowerCase();
+    
+  while (bodyText.length > 0) {
+    i = lcBodyText.indexOf(lcSearchTerm, i+1);
+    if (i < 0) {
+      newText += bodyText;
+      bodyText = "";
+    } else {
+      // skip anything inside an HTML tag
+      if (bodyText.lastIndexOf(">", i) >= bodyText.lastIndexOf("<", i)) {
+        // skip anything inside a <script> block
+        if (lcBodyText.lastIndexOf("/script>", i) >= lcBodyText.lastIndexOf("<script", i)) {
+          newText += bodyText.substring(0, i) + highlightStartTag + bodyText.substr(i, searchTerm.length) + highlightEndTag;
+          bodyText = bodyText.substr(i + searchTerm.length);
+          lcBodyText = bodyText.toLowerCase();
+          i = -1;
+        }
+      }
+    }
+  }
+  
+  return newText;
+}