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Issue 786953007: npm_modules: Fork bower_components into Polymer 0.4.0 and 0.5.0 versions (Closed) Base URL: https://chromium.googlesource.com/infra/third_party/npm_modules.git@master
Patch Set: Created 5 years, 11 months ago
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1 /*
2 * @license
3 * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
4 * This code may only be used under the BSD style license found at http://polyme r.github.io/LICENSE.txt
5 * The complete set of authors may be found at http://polymer.github.io/AUTHORS. txt
6 * The complete set of contributors may be found at http://polymer.github.io/CON TRIBUTORS.txt
7 * Code distributed by Google as part of the polymer project is also
8 * subject to an additional IP rights grant found at http://polymer.github.io/PA TENTS.txt
9 */
10
11 (function(scope) {
12
13 var ContextFreeParser = {
14 parse: function(text) {
15 var top = {};
16 var entities = [];
17 var current = top;
18 var subCurrent = {};
19
20 var scriptDocCommentClause = '\\/\\*\\*([\\s\\S]*?)\\*\\/';
21 var htmlDocCommentClause = '<!--([\\s\\S]*?)-->';
22
23 // matches text between /** and */ inclusive and <!-- and --> inclusive
24 var docCommentRegex = new RegExp(scriptDocCommentClause + '|' + htmlDocCom mentClause, 'g');
25
26 // acquire all script doc comments
27 var docComments = text.match(docCommentRegex) || [];
28
29 // each match represents a single block of doc comments
30 docComments.forEach(function(m) {
31 // unify line ends, remove all comment characters, split into individual lines
32 var lines = m.replace(/\r\n/g, '\n').replace(/^\s*\/\*\*|^\s*\*\/|^\s*\* ?|^\s*\<\!-\-|^s*\-\-\>/gm, '').split('\n');
33
34 // pragmas (@-rules) must occur on a line by themselves
35 var pragmas = [];
36 // filter lines whose first non-whitespace character is @ into the pragm a list
37 // (and out of the `lines` array)
38 lines = lines.filter(function(l) {
39 var m = l.match(/\s*@([\w-]*) (.*)/);
40 if (!m) {
41 return true;
42 }
43 pragmas.push(m);
44 });
45
46 // collect all other text into a single block
47 var code = lines.join('\n');
48
49 // process pragmas
50 pragmas.forEach(function(m) {
51 var pragma = m[1], content = m[2];
52 switch (pragma) {
53
54 // currently all entities are either @class or @element
55 case 'class':
56 case 'element':
57 current = {
58 name: content,
59 description: code
60 };
61 entities.push(current);
62 break;
63
64 // an entity may have these describable sub-features
65 case 'attribute':
66 case 'property':
67 case 'method':
68 case 'event':
69 subCurrent = {
70 name: content,
71 description: code
72 };
73 var label = pragma == 'property' ? 'properties' : pragma + 's';
74 makePragma(current, label, subCurrent);
75 break;
76
77 // sub-feature pragmas
78 case 'default':
79 case 'type':
80 subCurrent[pragma] = content;
81 break;
82
83 case 'param':
84 var eventParmsRe = /\{(.+)\}\s+(\w+[.\w+]+)\s+(.*)$/;
85
86 var params = content.match(eventParmsRe);
87 if (params) {
88 var subEventObj = {
89 type: params[1],
90 name: params[2],
91 description: params[3]
92 };
93 makePragma(subCurrent, pragma + 's', subEventObj);
94 }
95
96 break;
97
98 // everything else
99 default:
100 current[pragma] = content;
101 break;
102 }
103 });
104
105 // utility function, yay hoisting
106 function makePragma(object, pragma, content) {
107 var p$ = object;
108 var p = p$[pragma];
109 if (!p) {
110 p$[pragma] = p = [];
111 }
112 p.push(content);
113 }
114
115 });
116
117 if (entities.length === 0) {
118 entities.push({name: 'Entity', description: '**Undocumented**'});
119 }
120 return entities;
121 }
122 };
123
124 if (typeof module !== 'undefined' && module.exports) {
125 module.exports = ContextFreeParser;
126 } else {
127 scope.ContextFreeParser = ContextFreeParser;
128 }
129
130 })(this);
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