163 lines
3.9 KiB
JavaScript
163 lines
3.9 KiB
JavaScript
'use strict';
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var parseCst = require('./parse-cst.js');
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var Document = require('./Document-9b4560a1.js');
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require('./PlainValue-ec8e588e.js');
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require('./resolveSeq-d03cb037.js');
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require('./Schema-88e323a7.js');
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require('./warnings-1000a372.js');
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function testEvents(src, options) {
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const opt = Object.assign({
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keepCstNodes: true,
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keepNodeTypes: true,
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version: '1.2'
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}, options);
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const docs = parseCst.parse(src).map(cstDoc => new Document.Document(opt).parse(cstDoc));
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const errDoc = docs.find(doc => doc.errors.length > 0);
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const error = errDoc ? errDoc.errors[0].message : null;
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const events = ['+STR'];
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try {
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for (let i = 0; i < docs.length; ++i) {
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const doc = docs[i];
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let root = doc.contents;
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if (Array.isArray(root)) root = root[0];
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const [rootStart, rootEnd] = doc.range || [0, 0];
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let e = doc.errors[0] && doc.errors[0].source;
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if (e && e.type === 'SEQ_ITEM') e = e.node;
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if (e && (e.type === 'DOCUMENT' || e.range.start < rootStart)) throw new Error();
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let docStart = '+DOC';
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const pre = src.slice(0, rootStart);
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const explicitDoc = /---\s*$/.test(pre);
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if (explicitDoc) docStart += ' ---';else if (!doc.contents) continue;
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events.push(docStart);
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addEvents(events, doc, e, root);
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if (doc.contents && doc.contents.length > 1) throw new Error();
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let docEnd = '-DOC';
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if (rootEnd) {
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const post = src.slice(rootEnd);
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if (/^\.\.\./.test(post)) docEnd += ' ...';
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}
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events.push(docEnd);
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}
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} catch (e) {
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return {
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events,
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error: error || e
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};
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}
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events.push('-STR');
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return {
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events,
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error
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};
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}
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function addEvents(events, doc, e, node) {
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if (!node) {
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events.push('=VAL :');
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return;
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}
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if (e && node.cstNode === e) throw new Error();
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let props = '';
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let anchor = doc.anchors.getName(node);
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if (anchor) {
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if (/\d$/.test(anchor)) {
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const alt = anchor.replace(/\d$/, '');
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if (doc.anchors.getNode(alt)) anchor = alt;
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}
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props = ` &${anchor}`;
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}
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if (node.cstNode && node.cstNode.tag) {
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const {
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handle,
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suffix
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} = node.cstNode.tag;
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props += handle === '!' && !suffix ? ' <!>' : ` <${node.tag}>`;
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}
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let scalar = null;
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switch (node.type) {
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case 'ALIAS':
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{
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let alias = doc.anchors.getName(node.source);
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if (/\d$/.test(alias)) {
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const alt = alias.replace(/\d$/, '');
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if (doc.anchors.getNode(alt)) alias = alt;
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}
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events.push(`=ALI${props} *${alias}`);
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}
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break;
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case 'BLOCK_FOLDED':
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scalar = '>';
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break;
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case 'BLOCK_LITERAL':
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scalar = '|';
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break;
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case 'PLAIN':
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scalar = ':';
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break;
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case 'QUOTE_DOUBLE':
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scalar = '"';
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break;
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case 'QUOTE_SINGLE':
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scalar = "'";
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break;
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case 'PAIR':
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events.push(`+MAP${props}`);
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addEvents(events, doc, e, node.key);
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addEvents(events, doc, e, node.value);
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events.push('-MAP');
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break;
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case 'FLOW_SEQ':
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case 'SEQ':
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events.push(`+SEQ${props}`);
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node.items.forEach(item => {
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addEvents(events, doc, e, item);
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});
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events.push('-SEQ');
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break;
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case 'FLOW_MAP':
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case 'MAP':
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events.push(`+MAP${props}`);
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node.items.forEach(({
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key,
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value
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}) => {
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addEvents(events, doc, e, key);
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addEvents(events, doc, e, value);
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});
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events.push('-MAP');
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break;
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default:
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throw new Error(`Unexpected node type ${node.type}`);
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}
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if (scalar) {
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const value = node.cstNode.strValue.replace(/\\/g, '\\\\').replace(/\0/g, '\\0').replace(/\x07/g, '\\a').replace(/\x08/g, '\\b').replace(/\t/g, '\\t').replace(/\n/g, '\\n').replace(/\v/g, '\\v').replace(/\f/g, '\\f').replace(/\r/g, '\\r').replace(/\x1b/g, '\\e');
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events.push(`=VAL${props} ${scalar}${value}`);
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}
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}
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exports.testEvents = testEvents;
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