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| 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 import 'dart:collection'; | |
| 6 | |
| 7 import 'package:analysis_server/plugin/analysis/navigation/navigation_core.dart'
; | |
| 8 import 'package:analysis_server/src/collections.dart'; | |
| 9 import 'package:analysis_server/src/protocol_server.dart' as protocol; | |
| 10 import 'package:analyzer/src/generated/source.dart' show SourceRange; | |
| 11 | |
| 12 /** | |
| 13 * A concrete implementation of [NavigationCollector]. | |
| 14 */ | |
| 15 class NavigationCollectorImpl implements NavigationCollector { | |
| 16 /** | |
| 17 * A list of navigation regions. | |
| 18 */ | |
| 19 final List<protocol.NavigationRegion> regions = <protocol.NavigationRegion>[]; | |
| 20 final Map<SourceRange, List<int>> regionMap = | |
| 21 new HashMap<SourceRange, List<int>>(); | |
| 22 | |
| 23 /** | |
| 24 * All the unique targets referenced by [regions]. | |
| 25 */ | |
| 26 final List<protocol.NavigationTarget> targets = <protocol.NavigationTarget>[]; | |
| 27 final Map<Pair<protocol.ElementKind, protocol.Location>, int> targetMap = | |
| 28 new HashMap<Pair<protocol.ElementKind, protocol.Location>, int>(); | |
| 29 | |
| 30 /** | |
| 31 * All the unique files referenced by [targets]. | |
| 32 */ | |
| 33 final List<String> files = <String>[]; | |
| 34 final Map<String, int> fileMap = new HashMap<String, int>(); | |
| 35 | |
| 36 @override | |
| 37 void addRegion(int offset, int length, protocol.ElementKind targetKind, | |
| 38 protocol.Location targetLocation) { | |
| 39 SourceRange range = new SourceRange(offset, length); | |
| 40 // prepare targets | |
| 41 List<int> targets = regionMap[range]; | |
| 42 if (targets == null) { | |
| 43 targets = <int>[]; | |
| 44 regionMap[range] = targets; | |
| 45 } | |
| 46 // add new target | |
| 47 int targetIndex = _addTarget(targetKind, targetLocation); | |
| 48 targets.add(targetIndex); | |
| 49 } | |
| 50 | |
| 51 void createRegions() { | |
| 52 regionMap.forEach((range, targets) { | |
| 53 protocol.NavigationRegion region = | |
| 54 new protocol.NavigationRegion(range.offset, range.length, targets); | |
| 55 regions.add(region); | |
| 56 }); | |
| 57 regions.sort((a, b) { | |
| 58 return a.offset - b.offset; | |
| 59 }); | |
| 60 } | |
| 61 | |
| 62 int _addFile(String file) { | |
| 63 int index = fileMap[file]; | |
| 64 if (index == null) { | |
| 65 index = files.length; | |
| 66 files.add(file); | |
| 67 fileMap[file] = index; | |
| 68 } | |
| 69 return index; | |
| 70 } | |
| 71 | |
| 72 int _addTarget(protocol.ElementKind kind, protocol.Location location) { | |
| 73 var pair = | |
| 74 new Pair<protocol.ElementKind, protocol.Location>(kind, location); | |
| 75 int index = targetMap[pair]; | |
| 76 if (index == null) { | |
| 77 String file = location.file; | |
| 78 int fileIndex = _addFile(file); | |
| 79 index = targets.length; | |
| 80 protocol.NavigationTarget target = new protocol.NavigationTarget( | |
| 81 kind, | |
| 82 fileIndex, | |
| 83 location.offset, | |
| 84 location.length, | |
| 85 location.startLine, | |
| 86 location.startColumn); | |
| 87 targets.add(target); | |
| 88 targetMap[pair] = index; | |
| 89 } | |
| 90 return index; | |
| 91 } | |
| 92 } | |
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Chromium Code Reviews
Issue 3002253002:
Use the NavigationCollector from analyzer_plugin to avoid duplication (Closed)
