source: trip-planner-front/node_modules/yaml/dist/test-events.js@ eed0bf8

Last change on this file since eed0bf8 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

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1'use strict';
2
3var parseCst = require('./parse-cst.js');
4var Document = require('./Document-9b4560a1.js');
5require('./PlainValue-ec8e588e.js');
6require('./resolveSeq-d03cb037.js');
7require('./Schema-88e323a7.js');
8require('./warnings-1000a372.js');
9
10function testEvents(src, options) {
11 const opt = Object.assign({
12 keepCstNodes: true,
13 keepNodeTypes: true,
14 version: '1.2'
15 }, options);
16 const docs = parseCst.parse(src).map(cstDoc => new Document.Document(opt).parse(cstDoc));
17 const errDoc = docs.find(doc => doc.errors.length > 0);
18 const error = errDoc ? errDoc.errors[0].message : null;
19 const events = ['+STR'];
20
21 try {
22 for (let i = 0; i < docs.length; ++i) {
23 const doc = docs[i];
24 let root = doc.contents;
25 if (Array.isArray(root)) root = root[0];
26 const [rootStart, rootEnd] = doc.range || [0, 0];
27 let e = doc.errors[0] && doc.errors[0].source;
28 if (e && e.type === 'SEQ_ITEM') e = e.node;
29 if (e && (e.type === 'DOCUMENT' || e.range.start < rootStart)) throw new Error();
30 let docStart = '+DOC';
31 const pre = src.slice(0, rootStart);
32 const explicitDoc = /---\s*$/.test(pre);
33 if (explicitDoc) docStart += ' ---';else if (!doc.contents) continue;
34 events.push(docStart);
35 addEvents(events, doc, e, root);
36 if (doc.contents && doc.contents.length > 1) throw new Error();
37 let docEnd = '-DOC';
38
39 if (rootEnd) {
40 const post = src.slice(rootEnd);
41 if (/^\.\.\./.test(post)) docEnd += ' ...';
42 }
43
44 events.push(docEnd);
45 }
46 } catch (e) {
47 return {
48 events,
49 error: error || e
50 };
51 }
52
53 events.push('-STR');
54 return {
55 events,
56 error
57 };
58}
59
60function addEvents(events, doc, e, node) {
61 if (!node) {
62 events.push('=VAL :');
63 return;
64 }
65
66 if (e && node.cstNode === e) throw new Error();
67 let props = '';
68 let anchor = doc.anchors.getName(node);
69
70 if (anchor) {
71 if (/\d$/.test(anchor)) {
72 const alt = anchor.replace(/\d$/, '');
73 if (doc.anchors.getNode(alt)) anchor = alt;
74 }
75
76 props = ` &${anchor}`;
77 }
78
79 if (node.cstNode && node.cstNode.tag) {
80 const {
81 handle,
82 suffix
83 } = node.cstNode.tag;
84 props += handle === '!' && !suffix ? ' <!>' : ` <${node.tag}>`;
85 }
86
87 let scalar = null;
88
89 switch (node.type) {
90 case 'ALIAS':
91 {
92 let alias = doc.anchors.getName(node.source);
93
94 if (/\d$/.test(alias)) {
95 const alt = alias.replace(/\d$/, '');
96 if (doc.anchors.getNode(alt)) alias = alt;
97 }
98
99 events.push(`=ALI${props} *${alias}`);
100 }
101 break;
102
103 case 'BLOCK_FOLDED':
104 scalar = '>';
105 break;
106
107 case 'BLOCK_LITERAL':
108 scalar = '|';
109 break;
110
111 case 'PLAIN':
112 scalar = ':';
113 break;
114
115 case 'QUOTE_DOUBLE':
116 scalar = '"';
117 break;
118
119 case 'QUOTE_SINGLE':
120 scalar = "'";
121 break;
122
123 case 'PAIR':
124 events.push(`+MAP${props}`);
125 addEvents(events, doc, e, node.key);
126 addEvents(events, doc, e, node.value);
127 events.push('-MAP');
128 break;
129
130 case 'FLOW_SEQ':
131 case 'SEQ':
132 events.push(`+SEQ${props}`);
133 node.items.forEach(item => {
134 addEvents(events, doc, e, item);
135 });
136 events.push('-SEQ');
137 break;
138
139 case 'FLOW_MAP':
140 case 'MAP':
141 events.push(`+MAP${props}`);
142 node.items.forEach(({
143 key,
144 value
145 }) => {
146 addEvents(events, doc, e, key);
147 addEvents(events, doc, e, value);
148 });
149 events.push('-MAP');
150 break;
151
152 default:
153 throw new Error(`Unexpected node type ${node.type}`);
154 }
155
156 if (scalar) {
157 const value = node.cstNode.strValue.replace(/\\/g, '\\\\').replace(/\0/g, '\\0').replace(/\x07/g, '\\a').replace(/\x08/g, '\\b').replace(/\t/g, '\\t').replace(/\n/g, '\\n').replace(/\v/g, '\\v').replace(/\f/g, '\\f').replace(/\r/g, '\\r').replace(/\x1b/g, '\\e');
158 events.push(`=VAL${props} ${scalar}${value}`);
159 }
160}
161
162exports.testEvents = testEvents;
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