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Side by Side Diff: third_party/pkg/angular/lib/tools/selector.dart

Issue 257423008: Update all Angular libs (run update_all.sh). (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 8 months ago
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1 library selector; 1 library selector;
2 2
3 import 'package:html5lib/dom.dart'; 3 import 'package:html5lib/dom.dart';
4 4
5 class ContainsSelector { 5 class ContainsSelector {
6 String selector; 6 String selector;
7 RegExp regexp; 7 RegExp regexp;
8 8
9 ContainsSelector(this.selector, regexp) { 9 ContainsSelector(this.selector, regexp) {
10 this.regexp = new RegExp(regexp); 10 this.regexp = new RegExp(regexp);
11 } 11 }
12 } 12 }
13 13
14 RegExp _SELECTOR_REGEXP = new RegExp(r'^(?:([\w\-]+)|(?:\.([\w\-]+))|(?:\[([\w\- \*]+)(?:=([^\]]*))?\]))'); 14 RegExp _SELECTOR_REGEXP = new RegExp(r'^(?:([\w\-]+)|(?:\.([\w\-]+))|(?:\[([\w\- \*]+)(?:=([^\]]*))?\]))');
15 RegExp _COMMENT_COMPONENT_REGEXP = new RegExp(r'^\[([\w\-]+)(?:\=(.*))?\]$'); 15 RegExp _COMMENT_COMPONENT_REGEXP = new RegExp(r'^\[([\w\-]+)(?:\=(.*))?\]$');
16 RegExp _CONTAINS_REGEXP = new RegExp(r'^:contains\(\/(.+)\/\)$'); // 16 RegExp _CONTAINS_REGEXP = new RegExp(r'^:contains\(\/(.+)\/\)$'); //
17 RegExp _ATTR_CONTAINS_REGEXP = new RegExp(r'^\[\*=\/(.+)\/\]$'); // 17 RegExp _ATTR_CONTAINS_REGEXP = new RegExp(r'^\[\*=\/(.+)\/\]$'); //
18 18
19 class _SelectorPart { 19 class _SelectorPart {
20 final String element; 20 final String element;
21 final String className; 21 final String className;
22 final String attrName; 22 final String attrName;
23 final String attrValue; 23 final String attrValue;
24 24
25 const _SelectorPart.fromElement(String this.element) 25 const _SelectorPart.fromElement(this.element)
26 : className = null, attrName = null, attrValue = null; 26 : className = null, attrName = null, attrValue = null;
27 27
28 const _SelectorPart.fromClass(String this.className) 28 const _SelectorPart.fromClass(this.className)
29 : element = null, attrName = null, attrValue = null; 29 : element = null, attrName = null, attrValue = null;
30 30
31 31
32 const _SelectorPart.fromAttribute(String this.attrName, String this.attrValue) 32 const _SelectorPart.fromAttribute(this.attrName, this.attrValue)
33 : element = null, className = null; 33 : element = null, className = null;
34 34
35 toString() => 35 String toString() =>
36 element == null 36 element == null
37 ? (className == null 37 ? (className == null
38 ? (attrValue == '' ? '[$attrName]' : '[$attrName=$attrValue]') 38 ? (attrValue == '' ? '[$attrName]' : '[$attrName=$attrValue]')
39 : '.$className') 39 : '.$className')
40 : element; 40 : element;
41 } 41 }
42 42
43 List<_SelectorPart> _splitCss(String selector) { 43 List<_SelectorPart> _splitCss(String selector) {
44 List<_SelectorPart> parts = []; 44 List<_SelectorPart> parts = [];
45 var remainder = selector; 45 var remainder = selector;
(...skipping 18 matching lines...) Expand all
64 } 64 }
65 return parts; 65 return parts;
66 } 66 }
67 67
68 bool matchesNode(Node node, String selector) { 68 bool matchesNode(Node node, String selector) {
69 var match, selectorParts; 69 var match, selectorParts;
70 if ((match = _CONTAINS_REGEXP.firstMatch(selector)) != null) { 70 if ((match = _CONTAINS_REGEXP.firstMatch(selector)) != null) {
71 if (node is! Text) { 71 if (node is! Text) {
72 return false; 72 return false;
73 } 73 }
74 return new RegExp(match.group(1)).hasMatch((node as Text).value); 74 return new RegExp(match.group(1)).hasMatch((node as Text).text);
75 } else if ((match = _ATTR_CONTAINS_REGEXP.firstMatch(selector)) != null) { 75 } else if ((match = _ATTR_CONTAINS_REGEXP.firstMatch(selector)) != null) {
76 if (node is! Element) { 76 if (node is! Element) {
77 return false; 77 return false;
78 } 78 }
79 var regexp = new RegExp(match.group(1)); 79 var regexp = new RegExp(match.group(1));
80 for (String attrName in node.attributes.keys) { 80 for (String attrName in node.attributes.keys) {
81 if (regexp.hasMatch(node.attributes[attrName])) { 81 if (regexp.hasMatch(node.attributes[attrName])) {
82 return true; 82 return true;
83 } 83 }
84 } 84 }
85 return false; 85 return false;
86 } else if ((selectorParts = _splitCss(selector)) != null) { 86 } else if ((selectorParts = _splitCss(selector)) != null) {
87 if (node is! Element) { 87 if (node is! Element) return false;
88 return false; 88 String nodeName = (node as Element).localName.toLowerCase();
89 }
90 String nodeName = node.tagName.toLowerCase();
91 89
92 bool stillGood = true; 90 bool stillGood = true;
93 selectorParts.forEach((_SelectorPart part) { 91 selectorParts.forEach((_SelectorPart part) {
94 if (part.element != null) { 92 if (part.element != null) {
95 if (nodeName != part.element) { 93 if (nodeName != part.element) {
96 stillGood = false; 94 stillGood = false;
97 } 95 }
98 } else if (part.className != null) { 96 } else if (part.className != null) {
99 if (node.attributes['class'] == null || 97 if (node.attributes['class'] == null ||
100 !node.attributes['class'].split(' ').contains(part.className)) { 98 !node.attributes['class'].split(' ').contains(part.className)) {
101 stillGood = false; 99 stillGood = false;
102 } 100 }
103 } else if (part.attrName != null) { 101 } else if (part.attrName != null) {
104 String matchingKey = _matchingKey(node.attributes.keys, part.attrName); 102 String matchingKey = _matchingKey(node.attributes.keys, part.attrName);
105 if (matchingKey == null || part.attrValue == '' ? 103 if (matchingKey == null || part.attrValue == '' ?
106 node.attributes[matchingKey] == null : 104 node.attributes[matchingKey] == null :
107 node.attributes[matchingKey] != part.attrValue) { 105 node.attributes[matchingKey] != part.attrValue) {
108 stillGood = false; 106 stillGood = false;
109 } 107 }
110 } 108 }
111 }); 109 });
112 110
113 return stillGood; 111 return stillGood;
114 } 112 }
115 113
116 throw new ArgumentError('Unsupported Selector: $selector'); 114 throw new ArgumentError('Unsupported Selector: $selector');
117 } 115 }
118 116
119 String _matchingKey(Iterable keys, String attrName) => 117 String _matchingKey(Iterable keys, String attrName) =>
120 keys.firstWhere( 118 keys.firstWhere(
121 (key) => new RegExp('^${attrName.replaceAll('*', r'[\w\-]+')}\$').hasMat ch(key.toString()), 119 (key) => new RegExp('^${attrName.replaceAll('*', r'[\w\-]+')}\$').hasMat ch(key.toString()),
122 orElse: () => null); 120 orElse: () => null);
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