+ implement the suggestion in kiwix-serve

src/server/kiwix-serve.cpp

@@ -170,7 +170,7 @@ static int accessHandlerCallback(void *cls,
   /* Get searcher and reader */
   std::string humanReadableBookId = "";
   if (!(urlStr.size() > 5 && urlStr.substr(0, 6) == "/skin/")) {
-    if (!strcmp(url, "/search")) {
+    if (!strcmp(url, "/search") || !strcmp(url, "/suggest")) {
       const char* tmpGetValue = MHD_lookup_connection_value(connection, MHD_GET_ARGUMENT_KIND, "content");
       humanReadableBookId = (tmpGetValue != NULL ? string(tmpGetValue) : "");
     } else {
@@ -188,8 +188,21 @@ static int accessHandlerCallback(void *cls,
     readers.find(humanReadableBookId)->second : NULL;
   pthread_mutex_unlock(&mapLock);
 
+  /* Get suggestions */
+  if (!strcmp(url, "/suggest") && reader != NULL) {
+    const char* term = MHD_lookup_connection_value(connection, MHD_GET_ARGUMENT_KIND, "term");
+    reader->searchSuggestions(term, 10);
+    string suggestion;
+    content = "[";
+    while (reader->getNextSuggestion(suggestion)) {
+      content += content == "[" ? "" : ",";
+      content += "{\"value\":\"" + suggestion + "\",\"id\":\"" + suggestion + "\"}";
+    }
+    content += "]\n";
+  }
+
   /* Get static skin stuff */
-  if (urlStr.size() > 5 && urlStr.substr(0, 6) == "/skin/") {
+  else if (urlStr.size() > 5 && urlStr.substr(0, 6) == "/skin/") {
     content = getResourceAsString(urlStr.substr(6));
   }
 
@@ -207,6 +220,10 @@ static int accessHandlerCallback(void *cls,
     if (end != NULL)
       endNumber = atoi(end);
 
+    if (pattern == NULL) {
+      pattern = "";
+    }
+    
     /* Get the results */
     pthread_mutex_lock(&searcherLock);
     try {

static/server/taskbar.html.part

@@ -1,10 +1,42 @@
+<script>
+  $(function() {
+  var availableTags = [
+  "ActionScript",
+  "AppleScript",
+  "Asp",
+  "BASIC",
+  "C",
+  "C++",
+  "Clojure",
+  "COBOL",
+  "ColdFusion",
+  "Erlang",
+  "Fortran",
+  "Groovy",
+  "Haskell",
+  "Java",
+  "JavaScript",
+  "Lisp",
+  "Perl",
+  "PHP",
+  "Python",
+  "Ruby",
+  "Scala",
+  "Scheme"
+  ];
+  $( "#kiwixsearchbox" ).autocomplete({
+  source: "/suggest?content=__CONTENT__"
+  });
+  });
+</script>
+
 <span id="kiwixtoolbar" class="ui-widget-header ui-corner-all">
   <button id="kiwixlibrary" onclick="window.location.href='/';">Library</button>
   <button id="kiwixhome" onclick="window.location.href='/__CONTENT__/';">Home</button>
   <form method="GET" action="/search" />
-    <input type="submit" id="kiwixsearch" value="Search" />
-    <input id="kiwixsearchbox" type="textbox" name="pattern" />
     <input type="hidden" name="content" value="__CONTENT__" />
+    <input type="submit" id="kiwixsearch" value="Search" />
+    <input id="kiwixsearchbox" name="pattern"/>
   </form>
 </span>
 <div style="display: block; height: 40px;"></div>