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95 lines
3.5 KiB
95 lines
3.5 KiB
'use strict'; |
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var Alias = require('../nodes/Alias.js'); |
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var composeCollection = require('./compose-collection.js'); |
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var composeScalar = require('./compose-scalar.js'); |
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var resolveEnd = require('./resolve-end.js'); |
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var utilEmptyScalarPosition = require('./util-empty-scalar-position.js'); |
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const CN = { composeNode, composeEmptyNode }; |
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function composeNode(ctx, token, props, onError) { |
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const { spaceBefore, comment, anchor, tag } = props; |
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let node; |
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let isSrcToken = true; |
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switch (token.type) { |
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case 'alias': |
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node = composeAlias(ctx, token, onError); |
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if (anchor || tag) |
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onError(token, 'ALIAS_PROPS', 'An alias node must not specify any properties'); |
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break; |
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case 'scalar': |
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case 'single-quoted-scalar': |
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case 'double-quoted-scalar': |
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case 'block-scalar': |
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node = composeScalar.composeScalar(ctx, token, tag, onError); |
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if (anchor) |
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node.anchor = anchor.source.substring(1); |
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break; |
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case 'block-map': |
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case 'block-seq': |
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case 'flow-collection': |
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node = composeCollection.composeCollection(CN, ctx, token, tag, onError); |
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if (anchor) |
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node.anchor = anchor.source.substring(1); |
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break; |
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default: { |
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const message = token.type === 'error' |
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? token.message |
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: `Unsupported token (type: ${token.type})`; |
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onError(token, 'UNEXPECTED_TOKEN', message); |
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node = composeEmptyNode(ctx, token.offset, undefined, null, props, onError); |
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isSrcToken = false; |
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} |
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} |
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if (anchor && node.anchor === '') |
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onError(anchor, 'BAD_ALIAS', 'Anchor cannot be an empty string'); |
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if (spaceBefore) |
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node.spaceBefore = true; |
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if (comment) { |
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if (token.type === 'scalar' && token.source === '') |
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node.comment = comment; |
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else |
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node.commentBefore = comment; |
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} |
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// @ts-expect-error Type checking misses meaning of isSrcToken |
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if (ctx.options.keepSourceTokens && isSrcToken) |
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node.srcToken = token; |
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return node; |
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} |
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function composeEmptyNode(ctx, offset, before, pos, { spaceBefore, comment, anchor, tag, end }, onError) { |
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const token = { |
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type: 'scalar', |
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offset: utilEmptyScalarPosition.emptyScalarPosition(offset, before, pos), |
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indent: -1, |
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source: '' |
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}; |
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const node = composeScalar.composeScalar(ctx, token, tag, onError); |
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if (anchor) { |
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node.anchor = anchor.source.substring(1); |
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if (node.anchor === '') |
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onError(anchor, 'BAD_ALIAS', 'Anchor cannot be an empty string'); |
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} |
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if (spaceBefore) |
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node.spaceBefore = true; |
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if (comment) { |
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node.comment = comment; |
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node.range[2] = end; |
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} |
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return node; |
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} |
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function composeAlias({ options }, { offset, source, end }, onError) { |
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const alias = new Alias.Alias(source.substring(1)); |
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if (alias.source === '') |
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onError(offset, 'BAD_ALIAS', 'Alias cannot be an empty string'); |
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if (alias.source.endsWith(':')) |
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onError(offset + source.length - 1, 'BAD_ALIAS', 'Alias ending in : is ambiguous', true); |
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const valueEnd = offset + source.length; |
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const re = resolveEnd.resolveEnd(end, valueEnd, options.strict, onError); |
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alias.range = [offset, valueEnd, re.offset]; |
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if (re.comment) |
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alias.comment = re.comment; |
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return alias; |
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} |
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exports.composeEmptyNode = composeEmptyNode; |
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exports.composeNode = composeNode;
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