Converted Observatory instance-view element

runtime/observatory/lib/src/elements/instance_ref.dart

 // Copyright (c) 2013, 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.
 
 import 'dart:html';
 import 'dart:async';
 import 'package:observatory/models.dart' as M;
 import 'package:observatory/src/elements/curly_block.dart';
 import 'package:observatory/src/elements/field_ref.dart';
 import 'package:observatory/src/elements/helpers/any_ref.dart';
 import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
 import 'package:observatory/src/elements/helpers/tag.dart';
 import 'package:observatory/src/elements/helpers/uris.dart';
 import 'package:observatory/src/elements/sentinel_value.dart';
+import 'package:observatory/utils.dart';
 
 class InstanceRefElement extends HtmlElement implements Renderable {
   static const tag = const Tag<InstanceRefElement>('instance-ref-wrapped');
 
   RenderingScheduler<InstanceRefElement> _r;
 
   Stream<RenderedEvent<InstanceRefElement>> get onRendered => _r.onRendered;
 
   M.IsolateRef _isolate;
   M.InstanceRef _instance;
@@ skipping 33 matching lines @@
   }
 
   void render() {
     final content = _createLink();
 
     if (_hasValue()) {
       content.addAll([
         new SpanElement()..text = ' ',
         new CurlyBlockElement(expanded: _expanded, queue: _r.queue)
           ..children = [
-            new DivElement()..classes = ['indent']
+            new DivElement()..classes = const ['indent']
               ..children = _createValue()
           ]
           ..onToggle.listen((e) async {
             _expanded = e.control.expanded;
             if (_expanded) {
               e.control.disabled = true;
               await _refresh();
               e.control.disabled = false;
             }
           })
@@ skipping 33 matching lines @@
       case M.InstanceKind.float32x4:
       case M.InstanceKind.float64x2:
       case M.InstanceKind.int32x4:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
             ..text = _instance.valueAsString
         ];
       case M.InstanceKind.string:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
-            ..text = asStringLiteral(_instance.valueAsString,
+            ..text = Utils.formatStringAsLiteral(_instance.valueAsString,
                 _instance.valueAsStringIsTruncated)
         ];
       case M.InstanceKind.type:
       case M.InstanceKind.typeRef:
       case M.InstanceKind.typeParameter:
       case M.InstanceKind.boundedType:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
             ..text = _instance.name
         ];
       case M.InstanceKind.closure:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
             ..children = [
-              new SpanElement()..classes = ['empathize']..text = 'Closure',
+              new SpanElement()..classes = const ['emphasize']
+                ..text = 'Closure',
               new SpanElement()..text = _instance.closureFunction.name
             ]
         ];
       case M.InstanceKind.regExp:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
             ..children = [
-              new SpanElement()..classes = ['empathize']
+              new SpanElement()..classes = const ['emphasize']
                 ..text = _instance.clazz.name,
               new SpanElement()..text = _instance.pattern.name
             ]
         ];
       case M.InstanceKind.stackTrace:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
             ..text = _instance.clazz.name,
           new CurlyBlockElement(queue: _r.queue)
             ..children = [
-              new DivElement()..classes = ['stackTraceBox']
+              new DivElement()..classes = const ['stackTraceBox']
                 ..text = _instance.valueAsString
             ]
         ];
       case M.InstanceKind.plainInstance:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
-            ..classes = ['empathize']
+            ..classes = ['emphasize']
             ..text = _instance.clazz.name
         ];
       case M.InstanceKind.list:
       case M.InstanceKind.map:
       case M.InstanceKind.uint8ClampedList:
       case M.InstanceKind.uint8List:
       case M.InstanceKind.uint16List:
       case M.InstanceKind.uint32List:
       case M.InstanceKind.uint64List:
       case M.InstanceKind.int8List:
       case M.InstanceKind.int16List:
       case M.InstanceKind.int32List:
       case M.InstanceKind.int64List:
       case M.InstanceKind.float32List:
       case M.InstanceKind.float64List:
       case M.InstanceKind.int32x4List:
       case M.InstanceKind.float32x4List:
       case M.InstanceKind.float64x2List:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
             ..children = [
-              new SpanElement()..classes = ['empathize']
+              new SpanElement()..classes = const ['emphasize']
                 ..text = _instance.clazz.name,
               new SpanElement()..text = ' (${_instance.length})'
             ]
         ];
       case M.InstanceKind.mirrorReference:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
-            ..classes = ['empathize']
+            ..classes = const ['emphasize']
             ..text = _instance.clazz.name
         ];
       case M.InstanceKind.weakProperty:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
-            ..classes = ['empathize']
+            ..classes = const ['emphasize']
             ..text = _instance.clazz.name
         ];
     }
     throw new Exception('Unkown InstanceKind: ${_instance.kind}');
   }
 
   bool _hasValue() {
     switch (_instance.kind) {
       case M.InstanceKind.plainInstance:
       case M.InstanceKind.mirrorReference:
@@ skipping 97 matching lines @@
               queue: _r.queue),
           new BRElement(),
           new SpanElement()..text = '<value> : ',
           new InstanceRefElement(_isolate, _loadedInstance.value, _instances,
             queue: _r.queue),
         ];
       default:
         return [];
     }
   }
-
-  static String asStringLiteral(String value, [bool wasTruncated=false]) {
-    var result = new List();
-    result.add("'".codeUnitAt(0));
-    for (int codeUnit in value.codeUnits) {
-      if (codeUnit == '\n'.codeUnitAt(0)) result.addAll('\\n'.codeUnits);
-      else if (codeUnit == '\r'.codeUnitAt(0)) result.addAll('\\r'.codeUnits);
-      else if (codeUnit == '\f'.codeUnitAt(0)) result.addAll('\\f'.codeUnits);
-      else if (codeUnit == '\b'.codeUnitAt(0)) result.addAll('\\b'.codeUnits);
-      else if (codeUnit == '\t'.codeUnitAt(0)) result.addAll('\\t'.codeUnits);
-      else if (codeUnit == '\v'.codeUnitAt(0)) result.addAll('\\v'.codeUnits);
-      else if (codeUnit == '\$'.codeUnitAt(0)) result.addAll('\\\$'.codeUnits);
-      else if (codeUnit == '\\'.codeUnitAt(0)) result.addAll('\\\\'.codeUnits);
-      else if (codeUnit == "'".codeUnitAt(0)) result.addAll("'".codeUnits);
-      else if (codeUnit < 32) {
-         var escapeSequence = "\\u" + codeUnit.toRadixString(16).padLeft(4, "0");
-         result.addAll(escapeSequence.codeUnits);
-      } else result.add(codeUnit);
-    }
-    if (wasTruncated) {
-      result.addAll("...".codeUnits);
-    } else {
-      result.add("'".codeUnitAt(0));
-    }
-    return new String.fromCharCodes(result);
-  }
 }