trouble-in-terror-town/node_modules/yaml/dist/stringify/stringifyCollection.js
Mikolaj 2bbacbea09 did some more work on networking and removed EOS in favor of LRM
did some more work on networking and removed EOS in favor of Light Reflective Mirror
2022-05-31 15:04:31 +02:00

153 lines
5.4 KiB
JavaScript

'use strict';
var Collection = require('../nodes/Collection.js');
var Node = require('../nodes/Node.js');
var stringify = require('./stringify.js');
var stringifyComment = require('./stringifyComment.js');
function stringifyCollection(collection, ctx, options) {
const flow = ctx.inFlow ?? collection.flow;
const stringify = flow ? stringifyFlowCollection : stringifyBlockCollection;
return stringify(collection, ctx, options);
}
function stringifyBlockCollection({ comment, items }, ctx, { blockItemPrefix, flowChars, itemIndent, onChompKeep, onComment }) {
const { indent, options: { commentString } } = ctx;
const itemCtx = Object.assign({}, ctx, { indent: itemIndent, type: null });
let chompKeep = false; // flag for the preceding node's status
const lines = [];
for (let i = 0; i < items.length; ++i) {
const item = items[i];
let comment = null;
if (Node.isNode(item)) {
if (!chompKeep && item.spaceBefore)
lines.push('');
addCommentBefore(ctx, lines, item.commentBefore, chompKeep);
if (item.comment)
comment = item.comment;
}
else if (Node.isPair(item)) {
const ik = Node.isNode(item.key) ? item.key : null;
if (ik) {
if (!chompKeep && ik.spaceBefore)
lines.push('');
addCommentBefore(ctx, lines, ik.commentBefore, chompKeep);
}
}
chompKeep = false;
let str = stringify.stringify(item, itemCtx, () => (comment = null), () => (chompKeep = true));
if (comment)
str += stringifyComment.lineComment(str, itemIndent, commentString(comment));
if (chompKeep && comment)
chompKeep = false;
lines.push(blockItemPrefix + str);
}
let str;
if (lines.length === 0) {
str = flowChars.start + flowChars.end;
}
else {
str = lines[0];
for (let i = 1; i < lines.length; ++i) {
const line = lines[i];
str += line ? `\n${indent}${line}` : '\n';
}
}
if (comment) {
str += '\n' + stringifyComment.indentComment(commentString(comment), indent);
if (onComment)
onComment();
}
else if (chompKeep && onChompKeep)
onChompKeep();
return str;
}
function stringifyFlowCollection({ comment, items }, ctx, { flowChars, itemIndent, onComment }) {
const { indent, indentStep, options: { commentString } } = ctx;
itemIndent += indentStep;
const itemCtx = Object.assign({}, ctx, {
indent: itemIndent,
inFlow: true,
type: null
});
let reqNewline = false;
let linesAtValue = 0;
const lines = [];
for (let i = 0; i < items.length; ++i) {
const item = items[i];
let comment = null;
if (Node.isNode(item)) {
if (item.spaceBefore)
lines.push('');
addCommentBefore(ctx, lines, item.commentBefore, false);
if (item.comment)
comment = item.comment;
}
else if (Node.isPair(item)) {
const ik = Node.isNode(item.key) ? item.key : null;
if (ik) {
if (ik.spaceBefore)
lines.push('');
addCommentBefore(ctx, lines, ik.commentBefore, false);
if (ik.comment)
reqNewline = true;
}
const iv = Node.isNode(item.value) ? item.value : null;
if (iv) {
if (iv.comment)
comment = iv.comment;
if (iv.commentBefore)
reqNewline = true;
}
else if (item.value == null && ik && ik.comment) {
comment = ik.comment;
}
}
if (comment)
reqNewline = true;
let str = stringify.stringify(item, itemCtx, () => (comment = null));
if (i < items.length - 1)
str += ',';
if (comment)
str += stringifyComment.lineComment(str, itemIndent, commentString(comment));
if (!reqNewline && (lines.length > linesAtValue || str.includes('\n')))
reqNewline = true;
lines.push(str);
linesAtValue = lines.length;
}
let str;
const { start, end } = flowChars;
if (lines.length === 0) {
str = start + end;
}
else {
if (!reqNewline) {
const len = lines.reduce((sum, line) => sum + line.length + 2, 2);
reqNewline = len > Collection.Collection.maxFlowStringSingleLineLength;
}
if (reqNewline) {
str = start;
for (const line of lines)
str += line ? `\n${indentStep}${indent}${line}` : '\n';
str += `\n${indent}${end}`;
}
else {
str = `${start} ${lines.join(' ')} ${end}`;
}
}
if (comment) {
str += stringifyComment.lineComment(str, commentString(comment), indent);
if (onComment)
onComment();
}
return str;
}
function addCommentBefore({ indent, options: { commentString } }, lines, comment, chompKeep) {
if (comment && chompKeep)
comment = comment.replace(/^\n+/, '');
if (comment) {
const ic = stringifyComment.indentComment(commentString(comment), indent);
lines.push(ic.trimStart()); // Avoid double indent on first line
}
}
exports.stringifyCollection = stringifyCollection;