1 files changed, 109 insertions, 0 deletions
diff --git a/search/main.js b/search/main.js
new file mode 100644
index 00000000..a5e469d7
--- /dev/null
+++ b/search/main.js
@@ -0,0 +1,109 @@
+function getSearchTermFromLocation() {
+  var sPageURL = window.location.search.substring(1);
+  var sURLVariables = sPageURL.split('&');
+  for (var i = 0; i < sURLVariables.length; i++) {
+    var sParameterName = sURLVariables[i].split('=');
+    if (sParameterName[0] == 'q') {
+      return decodeURIComponent(sParameterName[1].replace(/\+/g, '%20'));
+    }
+  }
+}
+
+function joinUrl (base, path) {
+  if (path.substring(0, 1) === "/") {
+    // path starts with `/`. Thus it is absolute.
+    return path;
+  }
+  if (base.substring(base.length-1) === "/") {
+    // base ends with `/`
+    return base + path;
+  }
+  return base + "/" + path;
+}
+
+function escapeHtml (value) {
+  return value.replace(/&/g, '&amp;')
+    .replace(/"/g, '&quot;')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;');
+}
+
+function formatResult (location, title, summary) {
+  return '<article><h3><a href="' + joinUrl(base_url, location) + '">'+ escapeHtml(title) + '</a></h3><p>' + escapeHtml(summary) +'</p></article>';
+}
+
+function displayResults (results) {
+  var search_results = document.getElementById("mkdocs-search-results");
+  while (search_results.firstChild) {
+    search_results.removeChild(search_results.firstChild);
+  }
+  if (results.length > 0){
+    for (var i=0; i < results.length; i++){
+      var result = results[i];
+      var html = formatResult(result.location, result.title, result.summary);
+      search_results.insertAdjacentHTML('beforeend', html);
+    }
+  } else {
+    var noResultsText = search_results.getAttribute('data-no-results-text');
+    if (!noResultsText) {
+      noResultsText = "No results found";
+    }
+    search_results.insertAdjacentHTML('beforeend', '<p>' + noResultsText + '</p>');
+  }
+}
+
+function doSearch () {
+  var query = document.getElementById('mkdocs-search-query').value;
+  if (query.length > min_search_length) {
+    if (!window.Worker) {
+      displayResults(search(query));
+    } else {
+      searchWorker.postMessage({query: query});
+    }
+  } else {
+    // Clear results for short queries
+    displayResults([]);
+  }
+}
+
+function initSearch () {
+  var search_input = document.getElementById('mkdocs-search-query');
+  if (search_input) {
+    search_input.addEventListener("keyup", doSearch);
+  }
+  var term = getSearchTermFromLocation();
+  if (term) {
+    search_input.value = term;
+    doSearch();
+  }
+}
+
+function onWorkerMessage (e) {
+  if (e.data.allowSearch) {
+    initSearch();
+  } else if (e.data.results) {
+    var results = e.data.results;
+    displayResults(results);
+  } else if (e.data.config) {
+    min_search_length = e.data.config.min_search_length-1;
+  }
+}
+
+if (!window.Worker) {
+  console.log('Web Worker API not supported');
+  // load index in main thread
+  $.getScript(joinUrl(base_url, "search/worker.js")).done(function () {
+    console.log('Loaded worker');
+    init();
+    window.postMessage = function (msg) {
+      onWorkerMessage({data: msg});
+    };
+  }).fail(function (jqxhr, settings, exception) {
+    console.error('Could not load worker.js');
+  });
+} else {
+  // Wrap search in a web worker
+  var searchWorker = new Worker(joinUrl(base_url, "search/worker.js"));
+  searchWorker.postMessage({init: true});
+  searchWorker.onmessage = onWorkerMessage;
+}