'Find-as-you-type'-search in dartdoc/apidoc.

pkg/dartdoc/client-shared.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // Code shared between the different client-side libraries.
 
+// The names of the library and type that this page documents.
+String currentLibrary = null;
+String currentType = null;
+
+// What we need to prefix relative URLs with to get them to work.
+String prefix = '';
+
+void setupLocation() {
+  // Figure out where we are.
+  final body = document.query('body');
+  currentLibrary = body.dataAttributes['library'];
+  currentType = body.dataAttributes['type'];
+  prefix = (currentType != null) ? '../' : '';
+}
+
 /**
  * Finds all code blocks and makes them toggleable. Syntax highlights each
  * code block the first time it's shown.
  */
 enableCodeBlocks() {
   for (var elem in document.queryAll('.method, .field')) {
     var showCode = elem.query('.show-code');
 
     // Skip it if we don't have a code link. Will happen if source code is
     // disabled.
     if (showCode == null) continue;
 
     var pre = elem.query('pre.source');
 
     showCode.on.click.add((e) {
       if (pre.classes.contains('expanded')) {
         pre.classes.remove('expanded');
       } else {
         // Syntax highlight.
         if (!pre.classes.contains('formatted')) {
           pre.innerHTML = classifySource(pre.text);
           pre.classes.add('formatted');
         };
         pre.classes.add('expanded');
       }
     });
-
   }
 }
+
+
+/** Turns [name] into something that's safe to use as a file name. */
+String sanitize(String name) => name.replaceAll(':', '_').replaceAll('/', '_');
+
+String getTypeName(Map typeInfo) =>
+    typeInfo.containsKey('args')
+        ? '${typeInfo[NAME]}<${typeInfo[NAME]}>'
+        : typeInfo[NAME];
+
+String getLibraryUrl(String libraryName) =>
+    '$prefix${sanitize(libraryName)}.html';
+
+String getTypeUrl(String libraryName, Map typeInfo) =>
+    '$prefix${sanitize(libraryName)}/${sanitize(typeInfo[NAME])}.html';
+
+String getLibraryMemberUrl(String libraryName, Map memberInfo) =>
+    '$prefix${sanitize(libraryName)}.html#${getMemberAnchor(memberInfo)}';
+
+String getTypeMemberUrl(String libraryName, String typeName, Map memberInfo) =>
+    '$prefix${sanitize(libraryName)}/${sanitize(typeName)}.html#'
+    '${getMemberAnchor(memberInfo)}';
+
+String getMemberAnchor(Map memberInfo) => memberInfo.containsKey(LINK_NAME)
+    ? memberInfo[LINK_NAME] : memberInfo[NAME];