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'use strict';
var Node = require('./nodes/Node.js');
var publicApi = require('./public-api.js');
var visit = require('./visit.js');
const scalarChar = {
BLOCK_FOLDED: '>',
BLOCK_LITERAL: '|',
PLAIN: ':',
QUOTE_DOUBLE: '"',
QUOTE_SINGLE: "'"
};
function anchorExists(doc, anchor) {
let found = false;
visit.visit(doc, {
Value(_key, node) {
if (node.anchor === anchor) {
found = true;
return visit.visit.BREAK;
}
}
});
return found;
}
// test harness for yaml-test-suite event tests
function testEvents(src) {
const docs = publicApi.parseAllDocuments(src);
const errDoc = docs.find(doc => doc.errors.length > 0);
const error = errDoc ? errDoc.errors[0].message : null;
const events = ['+STR'];
try {
for (let i = 0; i < docs.length; ++i) {
const doc = docs[i];
let root = doc.contents;
if (Array.isArray(root))
root = root[0];
const [rootStart] = doc.range || [0];
const error = doc.errors[0];
if (error && (!error.pos || error.pos[0] < rootStart))
throw new Error();
let docStart = '+DOC';
if (doc.directives.docStart)
docStart += ' ---';
else if (doc.contents &&
doc.contents.range[2] === doc.contents.range[0] &&
!doc.contents.anchor &&
!doc.contents.tag)
continue;
events.push(docStart);
addEvents(events, doc, error?.pos[0] ?? -1, root);
let docEnd = '-DOC';
if (doc.directives.docEnd)
docEnd += ' ...';
events.push(docEnd);
}
}
catch (e) {
return { events, error: error ?? e };
}
events.push('-STR');
return { events, error };
}
function addEvents(events, doc, errPos, node) {
if (!node) {
events.push('=VAL :');
return;
}
if (errPos !== -1 && Node.isNode(node) && node.range[0] >= errPos)
throw new Error();
let props = '';
let anchor = Node.isScalar(node) || Node.isCollection(node) ? node.anchor : undefined;
if (anchor) {
if (/\d$/.test(anchor)) {
const alt = anchor.replace(/\d$/, '');
if (anchorExists(doc, alt))
anchor = alt;
}
props = ` &${anchor}`;
}
if (Node.isNode(node) && node.tag)
props += ` <${node.tag}>`;
if (Node.isMap(node)) {
const ev = node.flow ? '+MAP {}' : '+MAP';
events.push(`${ev}${props}`);
node.items.forEach(({ key, value }) => {
addEvents(events, doc, errPos, key);
addEvents(events, doc, errPos, value);
});
events.push('-MAP');
}
else if (Node.isSeq(node)) {
const ev = node.flow ? '+SEQ []' : '+SEQ';
events.push(`${ev}${props}`);
node.items.forEach(item => {
addEvents(events, doc, errPos, item);
});
events.push('-SEQ');
}
else if (Node.isPair(node)) {
events.push(`+MAP${props}`);
addEvents(events, doc, errPos, node.key);
addEvents(events, doc, errPos, node.value);
events.push('-MAP');
}
else if (Node.isAlias(node)) {
let alias = node.source;
if (alias && /\d$/.test(alias)) {
const alt = alias.replace(/\d$/, '');
if (anchorExists(doc, alt))
alias = alt;
}
events.push(`=ALI${props} *${alias}`);
}
else {
const scalar = scalarChar[String(node.type)];
if (!scalar)
throw new Error(`Unexpected node type ${node.type}`);
const value = node.source
.replace(/\\/g, '\\\\')
.replace(/\0/g, '\\0')
.replace(/\x07/g, '\\a')
.replace(/\x08/g, '\\b')
.replace(/\t/g, '\\t')
.replace(/\n/g, '\\n')
.replace(/\v/g, '\\v')
.replace(/\f/g, '\\f')
.replace(/\r/g, '\\r')
.replace(/\x1b/g, '\\e');
events.push(`=VAL${props} ${scalar}${value}`);
}
}
exports.testEvents = testEvents;
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