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1754 lines
46 KiB
1754 lines
46 KiB
'use strict';
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var PlainValue = require('./PlainValue-ec8e588e.js');
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class BlankLine extends PlainValue.Node {
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constructor() {
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super(PlainValue.Type.BLANK_LINE);
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}
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/* istanbul ignore next */
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get includesTrailingLines() {
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// This is never called from anywhere, but if it were,
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// this is the value it should return.
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return true;
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}
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/**
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* Parses a blank line from the source
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*
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* @param {ParseContext} context
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* @param {number} start - Index of first \n character
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* @returns {number} - Index of the character after this
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*/
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parse(context, start) {
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this.context = context;
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this.range = new PlainValue.Range(start, start + 1);
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return start + 1;
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}
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}
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class CollectionItem extends PlainValue.Node {
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constructor(type, props) {
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super(type, props);
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this.node = null;
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}
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get includesTrailingLines() {
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return !!this.node && this.node.includesTrailingLines;
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}
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/**
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* @param {ParseContext} context
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* @param {number} start - Index of first character
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* @returns {number} - Index of the character after this
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*/
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parse(context, start) {
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this.context = context;
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const {
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parseNode,
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src
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} = context;
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let {
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atLineStart,
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lineStart
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} = context;
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if (!atLineStart && this.type === PlainValue.Type.SEQ_ITEM) this.error = new PlainValue.YAMLSemanticError(this, 'Sequence items must not have preceding content on the same line');
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const indent = atLineStart ? start - lineStart : context.indent;
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let offset = PlainValue.Node.endOfWhiteSpace(src, start + 1);
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let ch = src[offset];
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const inlineComment = ch === '#';
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const comments = [];
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let blankLine = null;
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while (ch === '\n' || ch === '#') {
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if (ch === '#') {
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const end = PlainValue.Node.endOfLine(src, offset + 1);
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comments.push(new PlainValue.Range(offset, end));
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offset = end;
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} else {
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atLineStart = true;
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lineStart = offset + 1;
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const wsEnd = PlainValue.Node.endOfWhiteSpace(src, lineStart);
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if (src[wsEnd] === '\n' && comments.length === 0) {
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blankLine = new BlankLine();
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lineStart = blankLine.parse({
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src
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}, lineStart);
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}
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offset = PlainValue.Node.endOfIndent(src, lineStart);
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}
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ch = src[offset];
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}
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if (PlainValue.Node.nextNodeIsIndented(ch, offset - (lineStart + indent), this.type !== PlainValue.Type.SEQ_ITEM)) {
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this.node = parseNode({
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atLineStart,
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inCollection: false,
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indent,
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lineStart,
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parent: this
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}, offset);
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} else if (ch && lineStart > start + 1) {
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offset = lineStart - 1;
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}
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if (this.node) {
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if (blankLine) {
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// Only blank lines preceding non-empty nodes are captured. Note that
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// this means that collection item range start indices do not always
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// increase monotonically. -- eemeli/yaml#126
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const items = context.parent.items || context.parent.contents;
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if (items) items.push(blankLine);
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}
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if (comments.length) Array.prototype.push.apply(this.props, comments);
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offset = this.node.range.end;
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} else {
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if (inlineComment) {
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const c = comments[0];
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this.props.push(c);
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offset = c.end;
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} else {
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offset = PlainValue.Node.endOfLine(src, start + 1);
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}
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}
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const end = this.node ? this.node.valueRange.end : offset;
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this.valueRange = new PlainValue.Range(start, end);
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return offset;
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}
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setOrigRanges(cr, offset) {
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offset = super.setOrigRanges(cr, offset);
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return this.node ? this.node.setOrigRanges(cr, offset) : offset;
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}
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toString() {
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const {
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context: {
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src
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},
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node,
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range,
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value
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} = this;
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if (value != null) return value;
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const str = node ? src.slice(range.start, node.range.start) + String(node) : src.slice(range.start, range.end);
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return PlainValue.Node.addStringTerminator(src, range.end, str);
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}
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}
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class Comment extends PlainValue.Node {
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constructor() {
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super(PlainValue.Type.COMMENT);
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}
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/**
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* Parses a comment line from the source
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*
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* @param {ParseContext} context
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* @param {number} start - Index of first character
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* @returns {number} - Index of the character after this scalar
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*/
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parse(context, start) {
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this.context = context;
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const offset = this.parseComment(start);
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this.range = new PlainValue.Range(start, offset);
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return offset;
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}
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}
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function grabCollectionEndComments(node) {
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let cnode = node;
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while (cnode instanceof CollectionItem) cnode = cnode.node;
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if (!(cnode instanceof Collection)) return null;
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const len = cnode.items.length;
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let ci = -1;
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for (let i = len - 1; i >= 0; --i) {
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const n = cnode.items[i];
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if (n.type === PlainValue.Type.COMMENT) {
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// Keep sufficiently indented comments with preceding node
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const {
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indent,
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lineStart
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} = n.context;
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if (indent > 0 && n.range.start >= lineStart + indent) break;
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ci = i;
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} else if (n.type === PlainValue.Type.BLANK_LINE) ci = i;else break;
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}
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if (ci === -1) return null;
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const ca = cnode.items.splice(ci, len - ci);
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const prevEnd = ca[0].range.start;
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while (true) {
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cnode.range.end = prevEnd;
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if (cnode.valueRange && cnode.valueRange.end > prevEnd) cnode.valueRange.end = prevEnd;
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if (cnode === node) break;
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cnode = cnode.context.parent;
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}
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return ca;
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}
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class Collection extends PlainValue.Node {
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static nextContentHasIndent(src, offset, indent) {
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const lineStart = PlainValue.Node.endOfLine(src, offset) + 1;
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offset = PlainValue.Node.endOfWhiteSpace(src, lineStart);
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const ch = src[offset];
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if (!ch) return false;
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if (offset >= lineStart + indent) return true;
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if (ch !== '#' && ch !== '\n') return false;
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return Collection.nextContentHasIndent(src, offset, indent);
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}
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constructor(firstItem) {
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super(firstItem.type === PlainValue.Type.SEQ_ITEM ? PlainValue.Type.SEQ : PlainValue.Type.MAP);
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for (let i = firstItem.props.length - 1; i >= 0; --i) {
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if (firstItem.props[i].start < firstItem.context.lineStart) {
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// props on previous line are assumed by the collection
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this.props = firstItem.props.slice(0, i + 1);
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firstItem.props = firstItem.props.slice(i + 1);
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const itemRange = firstItem.props[0] || firstItem.valueRange;
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firstItem.range.start = itemRange.start;
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break;
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}
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}
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this.items = [firstItem];
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const ec = grabCollectionEndComments(firstItem);
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if (ec) Array.prototype.push.apply(this.items, ec);
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}
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get includesTrailingLines() {
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return this.items.length > 0;
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}
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/**
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* @param {ParseContext} context
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* @param {number} start - Index of first character
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* @returns {number} - Index of the character after this
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*/
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parse(context, start) {
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this.context = context;
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const {
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parseNode,
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src
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} = context; // It's easier to recalculate lineStart here rather than tracking down the
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// last context from which to read it -- eemeli/yaml#2
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let lineStart = PlainValue.Node.startOfLine(src, start);
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const firstItem = this.items[0]; // First-item context needs to be correct for later comment handling
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// -- eemeli/yaml#17
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firstItem.context.parent = this;
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this.valueRange = PlainValue.Range.copy(firstItem.valueRange);
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const indent = firstItem.range.start - firstItem.context.lineStart;
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let offset = start;
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offset = PlainValue.Node.normalizeOffset(src, offset);
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let ch = src[offset];
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let atLineStart = PlainValue.Node.endOfWhiteSpace(src, lineStart) === offset;
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let prevIncludesTrailingLines = false;
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while (ch) {
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while (ch === '\n' || ch === '#') {
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if (atLineStart && ch === '\n' && !prevIncludesTrailingLines) {
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const blankLine = new BlankLine();
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offset = blankLine.parse({
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src
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}, offset);
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this.valueRange.end = offset;
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if (offset >= src.length) {
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ch = null;
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break;
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}
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this.items.push(blankLine);
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offset -= 1; // blankLine.parse() consumes terminal newline
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} else if (ch === '#') {
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if (offset < lineStart + indent && !Collection.nextContentHasIndent(src, offset, indent)) {
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return offset;
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}
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const comment = new Comment();
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offset = comment.parse({
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indent,
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lineStart,
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src
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}, offset);
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this.items.push(comment);
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this.valueRange.end = offset;
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if (offset >= src.length) {
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ch = null;
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break;
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}
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}
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lineStart = offset + 1;
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offset = PlainValue.Node.endOfIndent(src, lineStart);
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if (PlainValue.Node.atBlank(src, offset)) {
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const wsEnd = PlainValue.Node.endOfWhiteSpace(src, offset);
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const next = src[wsEnd];
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if (!next || next === '\n' || next === '#') {
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offset = wsEnd;
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}
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}
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ch = src[offset];
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atLineStart = true;
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}
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if (!ch) {
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break;
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}
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if (offset !== lineStart + indent && (atLineStart || ch !== ':')) {
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if (offset < lineStart + indent) {
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if (lineStart > start) offset = lineStart;
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break;
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} else if (!this.error) {
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const msg = 'All collection items must start at the same column';
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this.error = new PlainValue.YAMLSyntaxError(this, msg);
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}
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}
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if (firstItem.type === PlainValue.Type.SEQ_ITEM) {
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if (ch !== '-') {
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if (lineStart > start) offset = lineStart;
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break;
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}
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} else if (ch === '-' && !this.error) {
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// map key may start with -, as long as it's followed by a non-whitespace char
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const next = src[offset + 1];
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if (!next || next === '\n' || next === '\t' || next === ' ') {
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const msg = 'A collection cannot be both a mapping and a sequence';
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this.error = new PlainValue.YAMLSyntaxError(this, msg);
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}
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}
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const node = parseNode({
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atLineStart,
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inCollection: true,
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indent,
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lineStart,
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parent: this
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}, offset);
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if (!node) return offset; // at next document start
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this.items.push(node);
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this.valueRange.end = node.valueRange.end;
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offset = PlainValue.Node.normalizeOffset(src, node.range.end);
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ch = src[offset];
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atLineStart = false;
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prevIncludesTrailingLines = node.includesTrailingLines; // Need to reset lineStart and atLineStart here if preceding node's range
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// has advanced to check the current line's indentation level
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// -- eemeli/yaml#10 & eemeli/yaml#38
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if (ch) {
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let ls = offset - 1;
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let prev = src[ls];
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while (prev === ' ' || prev === '\t') prev = src[--ls];
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if (prev === '\n') {
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lineStart = ls + 1;
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atLineStart = true;
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}
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}
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const ec = grabCollectionEndComments(node);
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if (ec) Array.prototype.push.apply(this.items, ec);
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}
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return offset;
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}
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setOrigRanges(cr, offset) {
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offset = super.setOrigRanges(cr, offset);
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this.items.forEach(node => {
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offset = node.setOrigRanges(cr, offset);
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});
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return offset;
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}
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toString() {
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const {
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context: {
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src
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},
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items,
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range,
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value
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} = this;
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if (value != null) return value;
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let str = src.slice(range.start, items[0].range.start) + String(items[0]);
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for (let i = 1; i < items.length; ++i) {
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const item = items[i];
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const {
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atLineStart,
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indent
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} = item.context;
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if (atLineStart) for (let i = 0; i < indent; ++i) str += ' ';
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str += String(item);
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}
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return PlainValue.Node.addStringTerminator(src, range.end, str);
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}
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}
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class Directive extends PlainValue.Node {
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constructor() {
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super(PlainValue.Type.DIRECTIVE);
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this.name = null;
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}
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get parameters() {
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const raw = this.rawValue;
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return raw ? raw.trim().split(/[ \t]+/) : [];
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}
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parseName(start) {
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const {
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src
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} = this.context;
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let offset = start;
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let ch = src[offset];
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while (ch && ch !== '\n' && ch !== '\t' && ch !== ' ') ch = src[offset += 1];
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this.name = src.slice(start, offset);
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return offset;
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}
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parseParameters(start) {
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const {
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src
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} = this.context;
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let offset = start;
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let ch = src[offset];
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while (ch && ch !== '\n' && ch !== '#') ch = src[offset += 1];
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this.valueRange = new PlainValue.Range(start, offset);
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return offset;
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}
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parse(context, start) {
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this.context = context;
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let offset = this.parseName(start + 1);
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offset = this.parseParameters(offset);
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offset = this.parseComment(offset);
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this.range = new PlainValue.Range(start, offset);
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return offset;
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}
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}
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class Document extends PlainValue.Node {
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static startCommentOrEndBlankLine(src, start) {
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const offset = PlainValue.Node.endOfWhiteSpace(src, start);
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const ch = src[offset];
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return ch === '#' || ch === '\n' ? offset : start;
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}
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constructor() {
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super(PlainValue.Type.DOCUMENT);
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this.directives = null;
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this.contents = null;
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this.directivesEndMarker = null;
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this.documentEndMarker = null;
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}
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parseDirectives(start) {
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const {
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src
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} = this.context;
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this.directives = [];
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let atLineStart = true;
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let hasDirectives = false;
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let offset = start;
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while (!PlainValue.Node.atDocumentBoundary(src, offset, PlainValue.Char.DIRECTIVES_END)) {
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offset = Document.startCommentOrEndBlankLine(src, offset);
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switch (src[offset]) {
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case '\n':
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if (atLineStart) {
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const blankLine = new BlankLine();
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offset = blankLine.parse({
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src
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}, offset);
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if (offset < src.length) {
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this.directives.push(blankLine);
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}
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} else {
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offset += 1;
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atLineStart = true;
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}
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break;
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case '#':
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{
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const comment = new Comment();
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offset = comment.parse({
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src
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}, offset);
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this.directives.push(comment);
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atLineStart = false;
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}
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break;
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|
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case '%':
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{
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const directive = new Directive();
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offset = directive.parse({
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parent: this,
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src
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}, offset);
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this.directives.push(directive);
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hasDirectives = true;
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atLineStart = false;
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}
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break;
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default:
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if (hasDirectives) {
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this.error = new PlainValue.YAMLSemanticError(this, 'Missing directives-end indicator line');
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} else if (this.directives.length > 0) {
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this.contents = this.directives;
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this.directives = [];
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}
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return offset;
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}
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}
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|
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if (src[offset]) {
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this.directivesEndMarker = new PlainValue.Range(offset, offset + 3);
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return offset + 3;
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}
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|
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if (hasDirectives) {
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this.error = new PlainValue.YAMLSemanticError(this, 'Missing directives-end indicator line');
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} else if (this.directives.length > 0) {
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this.contents = this.directives;
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this.directives = [];
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}
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return offset;
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}
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|
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parseContents(start) {
|
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const {
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parseNode,
|
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src
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} = this.context;
|
|
if (!this.contents) this.contents = [];
|
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let lineStart = start;
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|
|
while (src[lineStart - 1] === '-') lineStart -= 1;
|
|
|
|
let offset = PlainValue.Node.endOfWhiteSpace(src, start);
|
|
let atLineStart = lineStart === start;
|
|
this.valueRange = new PlainValue.Range(offset);
|
|
|
|
while (!PlainValue.Node.atDocumentBoundary(src, offset, PlainValue.Char.DOCUMENT_END)) {
|
|
switch (src[offset]) {
|
|
case '\n':
|
|
if (atLineStart) {
|
|
const blankLine = new BlankLine();
|
|
offset = blankLine.parse({
|
|
src
|
|
}, offset);
|
|
|
|
if (offset < src.length) {
|
|
this.contents.push(blankLine);
|
|
}
|
|
} else {
|
|
offset += 1;
|
|
atLineStart = true;
|
|
}
|
|
|
|
lineStart = offset;
|
|
break;
|
|
|
|
case '#':
|
|
{
|
|
const comment = new Comment();
|
|
offset = comment.parse({
|
|
src
|
|
}, offset);
|
|
this.contents.push(comment);
|
|
atLineStart = false;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
{
|
|
const iEnd = PlainValue.Node.endOfIndent(src, offset);
|
|
const context = {
|
|
atLineStart,
|
|
indent: -1,
|
|
inFlow: false,
|
|
inCollection: false,
|
|
lineStart,
|
|
parent: this
|
|
};
|
|
const node = parseNode(context, iEnd);
|
|
if (!node) return this.valueRange.end = iEnd; // at next document start
|
|
|
|
this.contents.push(node);
|
|
offset = node.range.end;
|
|
atLineStart = false;
|
|
const ec = grabCollectionEndComments(node);
|
|
if (ec) Array.prototype.push.apply(this.contents, ec);
|
|
}
|
|
}
|
|
|
|
offset = Document.startCommentOrEndBlankLine(src, offset);
|
|
}
|
|
|
|
this.valueRange.end = offset;
|
|
|
|
if (src[offset]) {
|
|
this.documentEndMarker = new PlainValue.Range(offset, offset + 3);
|
|
offset += 3;
|
|
|
|
if (src[offset]) {
|
|
offset = PlainValue.Node.endOfWhiteSpace(src, offset);
|
|
|
|
if (src[offset] === '#') {
|
|
const comment = new Comment();
|
|
offset = comment.parse({
|
|
src
|
|
}, offset);
|
|
this.contents.push(comment);
|
|
}
|
|
|
|
switch (src[offset]) {
|
|
case '\n':
|
|
offset += 1;
|
|
break;
|
|
|
|
case undefined:
|
|
break;
|
|
|
|
default:
|
|
this.error = new PlainValue.YAMLSyntaxError(this, 'Document end marker line cannot have a non-comment suffix');
|
|
}
|
|
}
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
/**
|
|
* @param {ParseContext} context
|
|
* @param {number} start - Index of first character
|
|
* @returns {number} - Index of the character after this
|
|
*/
|
|
|
|
|
|
parse(context, start) {
|
|
context.root = this;
|
|
this.context = context;
|
|
const {
|
|
src
|
|
} = context;
|
|
let offset = src.charCodeAt(start) === 0xfeff ? start + 1 : start; // skip BOM
|
|
|
|
offset = this.parseDirectives(offset);
|
|
offset = this.parseContents(offset);
|
|
return offset;
|
|
}
|
|
|
|
setOrigRanges(cr, offset) {
|
|
offset = super.setOrigRanges(cr, offset);
|
|
this.directives.forEach(node => {
|
|
offset = node.setOrigRanges(cr, offset);
|
|
});
|
|
if (this.directivesEndMarker) offset = this.directivesEndMarker.setOrigRange(cr, offset);
|
|
this.contents.forEach(node => {
|
|
offset = node.setOrigRanges(cr, offset);
|
|
});
|
|
if (this.documentEndMarker) offset = this.documentEndMarker.setOrigRange(cr, offset);
|
|
return offset;
|
|
}
|
|
|
|
toString() {
|
|
const {
|
|
contents,
|
|
directives,
|
|
value
|
|
} = this;
|
|
if (value != null) return value;
|
|
let str = directives.join('');
|
|
|
|
if (contents.length > 0) {
|
|
if (directives.length > 0 || contents[0].type === PlainValue.Type.COMMENT) str += '---\n';
|
|
str += contents.join('');
|
|
}
|
|
|
|
if (str[str.length - 1] !== '\n') str += '\n';
|
|
return str;
|
|
}
|
|
|
|
}
|
|
|
|
class Alias extends PlainValue.Node {
|
|
/**
|
|
* Parses an *alias from the source
|
|
*
|
|
* @param {ParseContext} context
|
|
* @param {number} start - Index of first character
|
|
* @returns {number} - Index of the character after this scalar
|
|
*/
|
|
parse(context, start) {
|
|
this.context = context;
|
|
const {
|
|
src
|
|
} = context;
|
|
let offset = PlainValue.Node.endOfIdentifier(src, start + 1);
|
|
this.valueRange = new PlainValue.Range(start + 1, offset);
|
|
offset = PlainValue.Node.endOfWhiteSpace(src, offset);
|
|
offset = this.parseComment(offset);
|
|
return offset;
|
|
}
|
|
|
|
}
|
|
|
|
const Chomp = {
|
|
CLIP: 'CLIP',
|
|
KEEP: 'KEEP',
|
|
STRIP: 'STRIP'
|
|
};
|
|
class BlockValue extends PlainValue.Node {
|
|
constructor(type, props) {
|
|
super(type, props);
|
|
this.blockIndent = null;
|
|
this.chomping = Chomp.CLIP;
|
|
this.header = null;
|
|
}
|
|
|
|
get includesTrailingLines() {
|
|
return this.chomping === Chomp.KEEP;
|
|
}
|
|
|
|
get strValue() {
|
|
if (!this.valueRange || !this.context) return null;
|
|
let {
|
|
start,
|
|
end
|
|
} = this.valueRange;
|
|
const {
|
|
indent,
|
|
src
|
|
} = this.context;
|
|
if (this.valueRange.isEmpty()) return '';
|
|
let lastNewLine = null;
|
|
let ch = src[end - 1];
|
|
|
|
while (ch === '\n' || ch === '\t' || ch === ' ') {
|
|
end -= 1;
|
|
|
|
if (end <= start) {
|
|
if (this.chomping === Chomp.KEEP) break;else return ''; // probably never happens
|
|
}
|
|
|
|
if (ch === '\n') lastNewLine = end;
|
|
ch = src[end - 1];
|
|
}
|
|
|
|
let keepStart = end + 1;
|
|
|
|
if (lastNewLine) {
|
|
if (this.chomping === Chomp.KEEP) {
|
|
keepStart = lastNewLine;
|
|
end = this.valueRange.end;
|
|
} else {
|
|
end = lastNewLine;
|
|
}
|
|
}
|
|
|
|
const bi = indent + this.blockIndent;
|
|
const folded = this.type === PlainValue.Type.BLOCK_FOLDED;
|
|
let atStart = true;
|
|
let str = '';
|
|
let sep = '';
|
|
let prevMoreIndented = false;
|
|
|
|
for (let i = start; i < end; ++i) {
|
|
for (let j = 0; j < bi; ++j) {
|
|
if (src[i] !== ' ') break;
|
|
i += 1;
|
|
}
|
|
|
|
const ch = src[i];
|
|
|
|
if (ch === '\n') {
|
|
if (sep === '\n') str += '\n';else sep = '\n';
|
|
} else {
|
|
const lineEnd = PlainValue.Node.endOfLine(src, i);
|
|
const line = src.slice(i, lineEnd);
|
|
i = lineEnd;
|
|
|
|
if (folded && (ch === ' ' || ch === '\t') && i < keepStart) {
|
|
if (sep === ' ') sep = '\n';else if (!prevMoreIndented && !atStart && sep === '\n') sep = '\n\n';
|
|
str += sep + line; //+ ((lineEnd < end && src[lineEnd]) || '')
|
|
|
|
sep = lineEnd < end && src[lineEnd] || '';
|
|
prevMoreIndented = true;
|
|
} else {
|
|
str += sep + line;
|
|
sep = folded && i < keepStart ? ' ' : '\n';
|
|
prevMoreIndented = false;
|
|
}
|
|
|
|
if (atStart && line !== '') atStart = false;
|
|
}
|
|
}
|
|
|
|
return this.chomping === Chomp.STRIP ? str : str + '\n';
|
|
}
|
|
|
|
parseBlockHeader(start) {
|
|
const {
|
|
src
|
|
} = this.context;
|
|
let offset = start + 1;
|
|
let bi = '';
|
|
|
|
while (true) {
|
|
const ch = src[offset];
|
|
|
|
switch (ch) {
|
|
case '-':
|
|
this.chomping = Chomp.STRIP;
|
|
break;
|
|
|
|
case '+':
|
|
this.chomping = Chomp.KEEP;
|
|
break;
|
|
|
|
case '0':
|
|
case '1':
|
|
case '2':
|
|
case '3':
|
|
case '4':
|
|
case '5':
|
|
case '6':
|
|
case '7':
|
|
case '8':
|
|
case '9':
|
|
bi += ch;
|
|
break;
|
|
|
|
default:
|
|
this.blockIndent = Number(bi) || null;
|
|
this.header = new PlainValue.Range(start, offset);
|
|
return offset;
|
|
}
|
|
|
|
offset += 1;
|
|
}
|
|
}
|
|
|
|
parseBlockValue(start) {
|
|
const {
|
|
indent,
|
|
src
|
|
} = this.context;
|
|
const explicit = !!this.blockIndent;
|
|
let offset = start;
|
|
let valueEnd = start;
|
|
let minBlockIndent = 1;
|
|
|
|
for (let ch = src[offset]; ch === '\n'; ch = src[offset]) {
|
|
offset += 1;
|
|
if (PlainValue.Node.atDocumentBoundary(src, offset)) break;
|
|
const end = PlainValue.Node.endOfBlockIndent(src, indent, offset); // should not include tab?
|
|
|
|
if (end === null) break;
|
|
const ch = src[end];
|
|
const lineIndent = end - (offset + indent);
|
|
|
|
if (!this.blockIndent) {
|
|
// no explicit block indent, none yet detected
|
|
if (src[end] !== '\n') {
|
|
// first line with non-whitespace content
|
|
if (lineIndent < minBlockIndent) {
|
|
const msg = 'Block scalars with more-indented leading empty lines must use an explicit indentation indicator';
|
|
this.error = new PlainValue.YAMLSemanticError(this, msg);
|
|
}
|
|
|
|
this.blockIndent = lineIndent;
|
|
} else if (lineIndent > minBlockIndent) {
|
|
// empty line with more whitespace
|
|
minBlockIndent = lineIndent;
|
|
}
|
|
} else if (ch && ch !== '\n' && lineIndent < this.blockIndent) {
|
|
if (src[end] === '#') break;
|
|
|
|
if (!this.error) {
|
|
const src = explicit ? 'explicit indentation indicator' : 'first line';
|
|
const msg = `Block scalars must not be less indented than their ${src}`;
|
|
this.error = new PlainValue.YAMLSemanticError(this, msg);
|
|
}
|
|
}
|
|
|
|
if (src[end] === '\n') {
|
|
offset = end;
|
|
} else {
|
|
offset = valueEnd = PlainValue.Node.endOfLine(src, end);
|
|
}
|
|
}
|
|
|
|
if (this.chomping !== Chomp.KEEP) {
|
|
offset = src[valueEnd] ? valueEnd + 1 : valueEnd;
|
|
}
|
|
|
|
this.valueRange = new PlainValue.Range(start + 1, offset);
|
|
return offset;
|
|
}
|
|
/**
|
|
* Parses a block value from the source
|
|
*
|
|
* Accepted forms are:
|
|
* ```
|
|
* BS
|
|
* block
|
|
* lines
|
|
*
|
|
* BS #comment
|
|
* block
|
|
* lines
|
|
* ```
|
|
* where the block style BS matches the regexp `[|>][-+1-9]*` and block lines
|
|
* are empty or have an indent level greater than `indent`.
|
|
*
|
|
* @param {ParseContext} context
|
|
* @param {number} start - Index of first character
|
|
* @returns {number} - Index of the character after this block
|
|
*/
|
|
|
|
|
|
parse(context, start) {
|
|
this.context = context;
|
|
const {
|
|
src
|
|
} = context;
|
|
let offset = this.parseBlockHeader(start);
|
|
offset = PlainValue.Node.endOfWhiteSpace(src, offset);
|
|
offset = this.parseComment(offset);
|
|
offset = this.parseBlockValue(offset);
|
|
return offset;
|
|
}
|
|
|
|
setOrigRanges(cr, offset) {
|
|
offset = super.setOrigRanges(cr, offset);
|
|
return this.header ? this.header.setOrigRange(cr, offset) : offset;
|
|
}
|
|
|
|
}
|
|
|
|
class FlowCollection extends PlainValue.Node {
|
|
constructor(type, props) {
|
|
super(type, props);
|
|
this.items = null;
|
|
}
|
|
|
|
prevNodeIsJsonLike(idx = this.items.length) {
|
|
const node = this.items[idx - 1];
|
|
return !!node && (node.jsonLike || node.type === PlainValue.Type.COMMENT && this.prevNodeIsJsonLike(idx - 1));
|
|
}
|
|
/**
|
|
* @param {ParseContext} context
|
|
* @param {number} start - Index of first character
|
|
* @returns {number} - Index of the character after this
|
|
*/
|
|
|
|
|
|
parse(context, start) {
|
|
this.context = context;
|
|
const {
|
|
parseNode,
|
|
src
|
|
} = context;
|
|
let {
|
|
indent,
|
|
lineStart
|
|
} = context;
|
|
let char = src[start]; // { or [
|
|
|
|
this.items = [{
|
|
char,
|
|
offset: start
|
|
}];
|
|
let offset = PlainValue.Node.endOfWhiteSpace(src, start + 1);
|
|
char = src[offset];
|
|
|
|
while (char && char !== ']' && char !== '}') {
|
|
switch (char) {
|
|
case '\n':
|
|
{
|
|
lineStart = offset + 1;
|
|
const wsEnd = PlainValue.Node.endOfWhiteSpace(src, lineStart);
|
|
|
|
if (src[wsEnd] === '\n') {
|
|
const blankLine = new BlankLine();
|
|
lineStart = blankLine.parse({
|
|
src
|
|
}, lineStart);
|
|
this.items.push(blankLine);
|
|
}
|
|
|
|
offset = PlainValue.Node.endOfIndent(src, lineStart);
|
|
|
|
if (offset <= lineStart + indent) {
|
|
char = src[offset];
|
|
|
|
if (offset < lineStart + indent || char !== ']' && char !== '}') {
|
|
const msg = 'Insufficient indentation in flow collection';
|
|
this.error = new PlainValue.YAMLSemanticError(this, msg);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ',':
|
|
{
|
|
this.items.push({
|
|
char,
|
|
offset
|
|
});
|
|
offset += 1;
|
|
}
|
|
break;
|
|
|
|
case '#':
|
|
{
|
|
const comment = new Comment();
|
|
offset = comment.parse({
|
|
src
|
|
}, offset);
|
|
this.items.push(comment);
|
|
}
|
|
break;
|
|
|
|
case '?':
|
|
case ':':
|
|
{
|
|
const next = src[offset + 1];
|
|
|
|
if (next === '\n' || next === '\t' || next === ' ' || next === ',' || // in-flow : after JSON-like key does not need to be followed by whitespace
|
|
char === ':' && this.prevNodeIsJsonLike()) {
|
|
this.items.push({
|
|
char,
|
|
offset
|
|
});
|
|
offset += 1;
|
|
break;
|
|
}
|
|
}
|
|
// fallthrough
|
|
|
|
default:
|
|
{
|
|
const node = parseNode({
|
|
atLineStart: false,
|
|
inCollection: false,
|
|
inFlow: true,
|
|
indent: -1,
|
|
lineStart,
|
|
parent: this
|
|
}, offset);
|
|
|
|
if (!node) {
|
|
// at next document start
|
|
this.valueRange = new PlainValue.Range(start, offset);
|
|
return offset;
|
|
}
|
|
|
|
this.items.push(node);
|
|
offset = PlainValue.Node.normalizeOffset(src, node.range.end);
|
|
}
|
|
}
|
|
|
|
offset = PlainValue.Node.endOfWhiteSpace(src, offset);
|
|
char = src[offset];
|
|
}
|
|
|
|
this.valueRange = new PlainValue.Range(start, offset + 1);
|
|
|
|
if (char) {
|
|
this.items.push({
|
|
char,
|
|
offset
|
|
});
|
|
offset = PlainValue.Node.endOfWhiteSpace(src, offset + 1);
|
|
offset = this.parseComment(offset);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
setOrigRanges(cr, offset) {
|
|
offset = super.setOrigRanges(cr, offset);
|
|
this.items.forEach(node => {
|
|
if (node instanceof PlainValue.Node) {
|
|
offset = node.setOrigRanges(cr, offset);
|
|
} else if (cr.length === 0) {
|
|
node.origOffset = node.offset;
|
|
} else {
|
|
let i = offset;
|
|
|
|
while (i < cr.length) {
|
|
if (cr[i] > node.offset) break;else ++i;
|
|
}
|
|
|
|
node.origOffset = node.offset + i;
|
|
offset = i;
|
|
}
|
|
});
|
|
return offset;
|
|
}
|
|
|
|
toString() {
|
|
const {
|
|
context: {
|
|
src
|
|
},
|
|
items,
|
|
range,
|
|
value
|
|
} = this;
|
|
if (value != null) return value;
|
|
const nodes = items.filter(item => item instanceof PlainValue.Node);
|
|
let str = '';
|
|
let prevEnd = range.start;
|
|
nodes.forEach(node => {
|
|
const prefix = src.slice(prevEnd, node.range.start);
|
|
prevEnd = node.range.end;
|
|
str += prefix + String(node);
|
|
|
|
if (str[str.length - 1] === '\n' && src[prevEnd - 1] !== '\n' && src[prevEnd] === '\n') {
|
|
// Comment range does not include the terminal newline, but its
|
|
// stringified value does. Without this fix, newlines at comment ends
|
|
// get duplicated.
|
|
prevEnd += 1;
|
|
}
|
|
});
|
|
str += src.slice(prevEnd, range.end);
|
|
return PlainValue.Node.addStringTerminator(src, range.end, str);
|
|
}
|
|
|
|
}
|
|
|
|
class QuoteDouble extends PlainValue.Node {
|
|
static endOfQuote(src, offset) {
|
|
let ch = src[offset];
|
|
|
|
while (ch && ch !== '"') {
|
|
offset += ch === '\\' ? 2 : 1;
|
|
ch = src[offset];
|
|
}
|
|
|
|
return offset + 1;
|
|
}
|
|
/**
|
|
* @returns {string | { str: string, errors: YAMLSyntaxError[] }}
|
|
*/
|
|
|
|
|
|
get strValue() {
|
|
if (!this.valueRange || !this.context) return null;
|
|
const errors = [];
|
|
const {
|
|
start,
|
|
end
|
|
} = this.valueRange;
|
|
const {
|
|
indent,
|
|
src
|
|
} = this.context;
|
|
if (src[end - 1] !== '"') errors.push(new PlainValue.YAMLSyntaxError(this, 'Missing closing "quote')); // Using String#replace is too painful with escaped newlines preceded by
|
|
// escaped backslashes; also, this should be faster.
|
|
|
|
let str = '';
|
|
|
|
for (let i = start + 1; i < end - 1; ++i) {
|
|
const ch = src[i];
|
|
|
|
if (ch === '\n') {
|
|
if (PlainValue.Node.atDocumentBoundary(src, i + 1)) errors.push(new PlainValue.YAMLSemanticError(this, 'Document boundary indicators are not allowed within string values'));
|
|
const {
|
|
fold,
|
|
offset,
|
|
error
|
|
} = PlainValue.Node.foldNewline(src, i, indent);
|
|
str += fold;
|
|
i = offset;
|
|
if (error) errors.push(new PlainValue.YAMLSemanticError(this, 'Multi-line double-quoted string needs to be sufficiently indented'));
|
|
} else if (ch === '\\') {
|
|
i += 1;
|
|
|
|
switch (src[i]) {
|
|
case '0':
|
|
str += '\0';
|
|
break;
|
|
// null character
|
|
|
|
case 'a':
|
|
str += '\x07';
|
|
break;
|
|
// bell character
|
|
|
|
case 'b':
|
|
str += '\b';
|
|
break;
|
|
// backspace
|
|
|
|
case 'e':
|
|
str += '\x1b';
|
|
break;
|
|
// escape character
|
|
|
|
case 'f':
|
|
str += '\f';
|
|
break;
|
|
// form feed
|
|
|
|
case 'n':
|
|
str += '\n';
|
|
break;
|
|
// line feed
|
|
|
|
case 'r':
|
|
str += '\r';
|
|
break;
|
|
// carriage return
|
|
|
|
case 't':
|
|
str += '\t';
|
|
break;
|
|
// horizontal tab
|
|
|
|
case 'v':
|
|
str += '\v';
|
|
break;
|
|
// vertical tab
|
|
|
|
case 'N':
|
|
str += '\u0085';
|
|
break;
|
|
// Unicode next line
|
|
|
|
case '_':
|
|
str += '\u00a0';
|
|
break;
|
|
// Unicode non-breaking space
|
|
|
|
case 'L':
|
|
str += '\u2028';
|
|
break;
|
|
// Unicode line separator
|
|
|
|
case 'P':
|
|
str += '\u2029';
|
|
break;
|
|
// Unicode paragraph separator
|
|
|
|
case ' ':
|
|
str += ' ';
|
|
break;
|
|
|
|
case '"':
|
|
str += '"';
|
|
break;
|
|
|
|
case '/':
|
|
str += '/';
|
|
break;
|
|
|
|
case '\\':
|
|
str += '\\';
|
|
break;
|
|
|
|
case '\t':
|
|
str += '\t';
|
|
break;
|
|
|
|
case 'x':
|
|
str += this.parseCharCode(i + 1, 2, errors);
|
|
i += 2;
|
|
break;
|
|
|
|
case 'u':
|
|
str += this.parseCharCode(i + 1, 4, errors);
|
|
i += 4;
|
|
break;
|
|
|
|
case 'U':
|
|
str += this.parseCharCode(i + 1, 8, errors);
|
|
i += 8;
|
|
break;
|
|
|
|
case '\n':
|
|
// skip escaped newlines, but still trim the following line
|
|
while (src[i + 1] === ' ' || src[i + 1] === '\t') i += 1;
|
|
|
|
break;
|
|
|
|
default:
|
|
errors.push(new PlainValue.YAMLSyntaxError(this, `Invalid escape sequence ${src.substr(i - 1, 2)}`));
|
|
str += '\\' + src[i];
|
|
}
|
|
} else if (ch === ' ' || ch === '\t') {
|
|
// trim trailing whitespace
|
|
const wsStart = i;
|
|
let next = src[i + 1];
|
|
|
|
while (next === ' ' || next === '\t') {
|
|
i += 1;
|
|
next = src[i + 1];
|
|
}
|
|
|
|
if (next !== '\n') str += i > wsStart ? src.slice(wsStart, i + 1) : ch;
|
|
} else {
|
|
str += ch;
|
|
}
|
|
}
|
|
|
|
return errors.length > 0 ? {
|
|
errors,
|
|
str
|
|
} : str;
|
|
}
|
|
|
|
parseCharCode(offset, length, errors) {
|
|
const {
|
|
src
|
|
} = this.context;
|
|
const cc = src.substr(offset, length);
|
|
const ok = cc.length === length && /^[0-9a-fA-F]+$/.test(cc);
|
|
const code = ok ? parseInt(cc, 16) : NaN;
|
|
|
|
if (isNaN(code)) {
|
|
errors.push(new PlainValue.YAMLSyntaxError(this, `Invalid escape sequence ${src.substr(offset - 2, length + 2)}`));
|
|
return src.substr(offset - 2, length + 2);
|
|
}
|
|
|
|
return String.fromCodePoint(code);
|
|
}
|
|
/**
|
|
* Parses a "double quoted" value from the source
|
|
*
|
|
* @param {ParseContext} context
|
|
* @param {number} start - Index of first character
|
|
* @returns {number} - Index of the character after this scalar
|
|
*/
|
|
|
|
|
|
parse(context, start) {
|
|
this.context = context;
|
|
const {
|
|
src
|
|
} = context;
|
|
let offset = QuoteDouble.endOfQuote(src, start + 1);
|
|
this.valueRange = new PlainValue.Range(start, offset);
|
|
offset = PlainValue.Node.endOfWhiteSpace(src, offset);
|
|
offset = this.parseComment(offset);
|
|
return offset;
|
|
}
|
|
|
|
}
|
|
|
|
class QuoteSingle extends PlainValue.Node {
|
|
static endOfQuote(src, offset) {
|
|
let ch = src[offset];
|
|
|
|
while (ch) {
|
|
if (ch === "'") {
|
|
if (src[offset + 1] !== "'") break;
|
|
ch = src[offset += 2];
|
|
} else {
|
|
ch = src[offset += 1];
|
|
}
|
|
}
|
|
|
|
return offset + 1;
|
|
}
|
|
/**
|
|
* @returns {string | { str: string, errors: YAMLSyntaxError[] }}
|
|
*/
|
|
|
|
|
|
get strValue() {
|
|
if (!this.valueRange || !this.context) return null;
|
|
const errors = [];
|
|
const {
|
|
start,
|
|
end
|
|
} = this.valueRange;
|
|
const {
|
|
indent,
|
|
src
|
|
} = this.context;
|
|
if (src[end - 1] !== "'") errors.push(new PlainValue.YAMLSyntaxError(this, "Missing closing 'quote"));
|
|
let str = '';
|
|
|
|
for (let i = start + 1; i < end - 1; ++i) {
|
|
const ch = src[i];
|
|
|
|
if (ch === '\n') {
|
|
if (PlainValue.Node.atDocumentBoundary(src, i + 1)) errors.push(new PlainValue.YAMLSemanticError(this, 'Document boundary indicators are not allowed within string values'));
|
|
const {
|
|
fold,
|
|
offset,
|
|
error
|
|
} = PlainValue.Node.foldNewline(src, i, indent);
|
|
str += fold;
|
|
i = offset;
|
|
if (error) errors.push(new PlainValue.YAMLSemanticError(this, 'Multi-line single-quoted string needs to be sufficiently indented'));
|
|
} else if (ch === "'") {
|
|
str += ch;
|
|
i += 1;
|
|
if (src[i] !== "'") errors.push(new PlainValue.YAMLSyntaxError(this, 'Unescaped single quote? This should not happen.'));
|
|
} else if (ch === ' ' || ch === '\t') {
|
|
// trim trailing whitespace
|
|
const wsStart = i;
|
|
let next = src[i + 1];
|
|
|
|
while (next === ' ' || next === '\t') {
|
|
i += 1;
|
|
next = src[i + 1];
|
|
}
|
|
|
|
if (next !== '\n') str += i > wsStart ? src.slice(wsStart, i + 1) : ch;
|
|
} else {
|
|
str += ch;
|
|
}
|
|
}
|
|
|
|
return errors.length > 0 ? {
|
|
errors,
|
|
str
|
|
} : str;
|
|
}
|
|
/**
|
|
* Parses a 'single quoted' value from the source
|
|
*
|
|
* @param {ParseContext} context
|
|
* @param {number} start - Index of first character
|
|
* @returns {number} - Index of the character after this scalar
|
|
*/
|
|
|
|
|
|
parse(context, start) {
|
|
this.context = context;
|
|
const {
|
|
src
|
|
} = context;
|
|
let offset = QuoteSingle.endOfQuote(src, start + 1);
|
|
this.valueRange = new PlainValue.Range(start, offset);
|
|
offset = PlainValue.Node.endOfWhiteSpace(src, offset);
|
|
offset = this.parseComment(offset);
|
|
return offset;
|
|
}
|
|
|
|
}
|
|
|
|
function createNewNode(type, props) {
|
|
switch (type) {
|
|
case PlainValue.Type.ALIAS:
|
|
return new Alias(type, props);
|
|
|
|
case PlainValue.Type.BLOCK_FOLDED:
|
|
case PlainValue.Type.BLOCK_LITERAL:
|
|
return new BlockValue(type, props);
|
|
|
|
case PlainValue.Type.FLOW_MAP:
|
|
case PlainValue.Type.FLOW_SEQ:
|
|
return new FlowCollection(type, props);
|
|
|
|
case PlainValue.Type.MAP_KEY:
|
|
case PlainValue.Type.MAP_VALUE:
|
|
case PlainValue.Type.SEQ_ITEM:
|
|
return new CollectionItem(type, props);
|
|
|
|
case PlainValue.Type.COMMENT:
|
|
case PlainValue.Type.PLAIN:
|
|
return new PlainValue.PlainValue(type, props);
|
|
|
|
case PlainValue.Type.QUOTE_DOUBLE:
|
|
return new QuoteDouble(type, props);
|
|
|
|
case PlainValue.Type.QUOTE_SINGLE:
|
|
return new QuoteSingle(type, props);
|
|
|
|
/* istanbul ignore next */
|
|
|
|
default:
|
|
return null;
|
|
// should never happen
|
|
}
|
|
}
|
|
/**
|
|
* @param {boolean} atLineStart - Node starts at beginning of line
|
|
* @param {boolean} inFlow - true if currently in a flow context
|
|
* @param {boolean} inCollection - true if currently in a collection context
|
|
* @param {number} indent - Current level of indentation
|
|
* @param {number} lineStart - Start of the current line
|
|
* @param {Node} parent - The parent of the node
|
|
* @param {string} src - Source of the YAML document
|
|
*/
|
|
|
|
|
|
class ParseContext {
|
|
static parseType(src, offset, inFlow) {
|
|
switch (src[offset]) {
|
|
case '*':
|
|
return PlainValue.Type.ALIAS;
|
|
|
|
case '>':
|
|
return PlainValue.Type.BLOCK_FOLDED;
|
|
|
|
case '|':
|
|
return PlainValue.Type.BLOCK_LITERAL;
|
|
|
|
case '{':
|
|
return PlainValue.Type.FLOW_MAP;
|
|
|
|
case '[':
|
|
return PlainValue.Type.FLOW_SEQ;
|
|
|
|
case '?':
|
|
return !inFlow && PlainValue.Node.atBlank(src, offset + 1, true) ? PlainValue.Type.MAP_KEY : PlainValue.Type.PLAIN;
|
|
|
|
case ':':
|
|
return !inFlow && PlainValue.Node.atBlank(src, offset + 1, true) ? PlainValue.Type.MAP_VALUE : PlainValue.Type.PLAIN;
|
|
|
|
case '-':
|
|
return !inFlow && PlainValue.Node.atBlank(src, offset + 1, true) ? PlainValue.Type.SEQ_ITEM : PlainValue.Type.PLAIN;
|
|
|
|
case '"':
|
|
return PlainValue.Type.QUOTE_DOUBLE;
|
|
|
|
case "'":
|
|
return PlainValue.Type.QUOTE_SINGLE;
|
|
|
|
default:
|
|
return PlainValue.Type.PLAIN;
|
|
}
|
|
}
|
|
|
|
constructor(orig = {}, {
|
|
atLineStart,
|
|
inCollection,
|
|
inFlow,
|
|
indent,
|
|
lineStart,
|
|
parent
|
|
} = {}) {
|
|
PlainValue._defineProperty(this, "parseNode", (overlay, start) => {
|
|
if (PlainValue.Node.atDocumentBoundary(this.src, start)) return null;
|
|
const context = new ParseContext(this, overlay);
|
|
const {
|
|
props,
|
|
type,
|
|
valueStart
|
|
} = context.parseProps(start);
|
|
const node = createNewNode(type, props);
|
|
let offset = node.parse(context, valueStart);
|
|
node.range = new PlainValue.Range(start, offset);
|
|
/* istanbul ignore if */
|
|
|
|
if (offset <= start) {
|
|
// This should never happen, but if it does, let's make sure to at least
|
|
// step one character forward to avoid a busy loop.
|
|
node.error = new Error(`Node#parse consumed no characters`);
|
|
node.error.parseEnd = offset;
|
|
node.error.source = node;
|
|
node.range.end = start + 1;
|
|
}
|
|
|
|
if (context.nodeStartsCollection(node)) {
|
|
if (!node.error && !context.atLineStart && context.parent.type === PlainValue.Type.DOCUMENT) {
|
|
node.error = new PlainValue.YAMLSyntaxError(node, 'Block collection must not have preceding content here (e.g. directives-end indicator)');
|
|
}
|
|
|
|
const collection = new Collection(node);
|
|
offset = collection.parse(new ParseContext(context), offset);
|
|
collection.range = new PlainValue.Range(start, offset);
|
|
return collection;
|
|
}
|
|
|
|
return node;
|
|
});
|
|
|
|
this.atLineStart = atLineStart != null ? atLineStart : orig.atLineStart || false;
|
|
this.inCollection = inCollection != null ? inCollection : orig.inCollection || false;
|
|
this.inFlow = inFlow != null ? inFlow : orig.inFlow || false;
|
|
this.indent = indent != null ? indent : orig.indent;
|
|
this.lineStart = lineStart != null ? lineStart : orig.lineStart;
|
|
this.parent = parent != null ? parent : orig.parent || {};
|
|
this.root = orig.root;
|
|
this.src = orig.src;
|
|
}
|
|
|
|
nodeStartsCollection(node) {
|
|
const {
|
|
inCollection,
|
|
inFlow,
|
|
src
|
|
} = this;
|
|
if (inCollection || inFlow) return false;
|
|
if (node instanceof CollectionItem) return true; // check for implicit key
|
|
|
|
let offset = node.range.end;
|
|
if (src[offset] === '\n' || src[offset - 1] === '\n') return false;
|
|
offset = PlainValue.Node.endOfWhiteSpace(src, offset);
|
|
return src[offset] === ':';
|
|
} // Anchor and tag are before type, which determines the node implementation
|
|
// class; hence this intermediate step.
|
|
|
|
|
|
parseProps(offset) {
|
|
const {
|
|
inFlow,
|
|
parent,
|
|
src
|
|
} = this;
|
|
const props = [];
|
|
let lineHasProps = false;
|
|
offset = this.atLineStart ? PlainValue.Node.endOfIndent(src, offset) : PlainValue.Node.endOfWhiteSpace(src, offset);
|
|
let ch = src[offset];
|
|
|
|
while (ch === PlainValue.Char.ANCHOR || ch === PlainValue.Char.COMMENT || ch === PlainValue.Char.TAG || ch === '\n') {
|
|
if (ch === '\n') {
|
|
let inEnd = offset;
|
|
let lineStart;
|
|
|
|
do {
|
|
lineStart = inEnd + 1;
|
|
inEnd = PlainValue.Node.endOfIndent(src, lineStart);
|
|
} while (src[inEnd] === '\n');
|
|
|
|
const indentDiff = inEnd - (lineStart + this.indent);
|
|
const noIndicatorAsIndent = parent.type === PlainValue.Type.SEQ_ITEM && parent.context.atLineStart;
|
|
if (src[inEnd] !== '#' && !PlainValue.Node.nextNodeIsIndented(src[inEnd], indentDiff, !noIndicatorAsIndent)) break;
|
|
this.atLineStart = true;
|
|
this.lineStart = lineStart;
|
|
lineHasProps = false;
|
|
offset = inEnd;
|
|
} else if (ch === PlainValue.Char.COMMENT) {
|
|
const end = PlainValue.Node.endOfLine(src, offset + 1);
|
|
props.push(new PlainValue.Range(offset, end));
|
|
offset = end;
|
|
} else {
|
|
let end = PlainValue.Node.endOfIdentifier(src, offset + 1);
|
|
|
|
if (ch === PlainValue.Char.TAG && src[end] === ',' && /^[a-zA-Z0-9-]+\.[a-zA-Z0-9-]+,\d\d\d\d(-\d\d){0,2}\/\S/.test(src.slice(offset + 1, end + 13))) {
|
|
// Let's presume we're dealing with a YAML 1.0 domain tag here, rather
|
|
// than an empty but 'foo.bar' private-tagged node in a flow collection
|
|
// followed without whitespace by a plain string starting with a year
|
|
// or date divided by something.
|
|
end = PlainValue.Node.endOfIdentifier(src, end + 5);
|
|
}
|
|
|
|
props.push(new PlainValue.Range(offset, end));
|
|
lineHasProps = true;
|
|
offset = PlainValue.Node.endOfWhiteSpace(src, end);
|
|
}
|
|
|
|
ch = src[offset];
|
|
} // '- &a : b' has an anchor on an empty node
|
|
|
|
|
|
if (lineHasProps && ch === ':' && PlainValue.Node.atBlank(src, offset + 1, true)) offset -= 1;
|
|
const type = ParseContext.parseType(src, offset, inFlow);
|
|
return {
|
|
props,
|
|
type,
|
|
valueStart: offset
|
|
};
|
|
}
|
|
/**
|
|
* Parses a node from the source
|
|
* @param {ParseContext} overlay
|
|
* @param {number} start - Index of first non-whitespace character for the node
|
|
* @returns {?Node} - null if at a document boundary
|
|
*/
|
|
|
|
|
|
}
|
|
|
|
// Published as 'yaml/parse-cst'
|
|
function parse(src) {
|
|
const cr = [];
|
|
|
|
if (src.indexOf('\r') !== -1) {
|
|
src = src.replace(/\r\n?/g, (match, offset) => {
|
|
if (match.length > 1) cr.push(offset);
|
|
return '\n';
|
|
});
|
|
}
|
|
|
|
const documents = [];
|
|
let offset = 0;
|
|
|
|
do {
|
|
const doc = new Document();
|
|
const context = new ParseContext({
|
|
src
|
|
});
|
|
offset = doc.parse(context, offset);
|
|
documents.push(doc);
|
|
} while (offset < src.length);
|
|
|
|
documents.setOrigRanges = () => {
|
|
if (cr.length === 0) return false;
|
|
|
|
for (let i = 1; i < cr.length; ++i) cr[i] -= i;
|
|
|
|
let crOffset = 0;
|
|
|
|
for (let i = 0; i < documents.length; ++i) {
|
|
crOffset = documents[i].setOrigRanges(cr, crOffset);
|
|
}
|
|
|
|
cr.splice(0, cr.length);
|
|
return true;
|
|
};
|
|
|
|
documents.toString = () => documents.join('...\n');
|
|
|
|
return documents;
|
|
}
|
|
|
|
exports.parse = parse;
|