| Current File : //home/tradevaly/www/node_modules/yaml/browser/dist/parse-cst.js |
import { j as _inherits, k as _createSuper, c as _classCallCheck, T as Type, b as _createClass, R as Range, N as Node, g as YAMLSemanticError, l as _get, m as _getPrototypeOf, Y as YAMLSyntaxError, C as Char, e as _defineProperty, P as PlainValue } from './PlainValue-b8036b75.js';
var BlankLine = /*#__PURE__*/function (_Node) {
_inherits(BlankLine, _Node);
var _super = _createSuper(BlankLine);
function BlankLine() {
_classCallCheck(this, BlankLine);
return _super.call(this, Type.BLANK_LINE);
}
/* istanbul ignore next */
_createClass(BlankLine, [{
key: "includesTrailingLines",
get: function get() {
// This is never called from anywhere, but if it were,
// this is the value it should return.
return true;
}
/**
* Parses a blank line from the source
*
* @param {ParseContext} context
* @param {number} start - Index of first \n character
* @returns {number} - Index of the character after this
*/
}, {
key: "parse",
value: function parse(context, start) {
this.context = context;
this.range = new Range(start, start + 1);
return start + 1;
}
}]);
return BlankLine;
}(Node);
var CollectionItem = /*#__PURE__*/function (_Node) {
_inherits(CollectionItem, _Node);
var _super = _createSuper(CollectionItem);
function CollectionItem(type, props) {
var _this;
_classCallCheck(this, CollectionItem);
_this = _super.call(this, type, props);
_this.node = null;
return _this;
}
_createClass(CollectionItem, [{
key: "includesTrailingLines",
get: function get() {
return !!this.node && this.node.includesTrailingLines;
}
/**
* @param {ParseContext} context
* @param {number} start - Index of first character
* @returns {number} - Index of the character after this
*/
}, {
key: "parse",
value: function parse(context, start) {
this.context = context;
var parseNode = context.parseNode,
src = context.src;
var atLineStart = context.atLineStart,
lineStart = context.lineStart;
if (!atLineStart && this.type === Type.SEQ_ITEM) this.error = new YAMLSemanticError(this, 'Sequence items must not have preceding content on the same line');
var indent = atLineStart ? start - lineStart : context.indent;
var offset = Node.endOfWhiteSpace(src, start + 1);
var ch = src[offset];
var inlineComment = ch === '#';
var comments = [];
var blankLine = null;
while (ch === '\n' || ch === '#') {
if (ch === '#') {
var _end = Node.endOfLine(src, offset + 1);
comments.push(new Range(offset, _end));
offset = _end;
} else {
atLineStart = true;
lineStart = offset + 1;
var wsEnd = Node.endOfWhiteSpace(src, lineStart);
if (src[wsEnd] === '\n' && comments.length === 0) {
blankLine = new BlankLine();
lineStart = blankLine.parse({
src: src
}, lineStart);
}
offset = Node.endOfIndent(src, lineStart);
}
ch = src[offset];
}
if (Node.nextNodeIsIndented(ch, offset - (lineStart + indent), this.type !== Type.SEQ_ITEM)) {
this.node = parseNode({
atLineStart: atLineStart,
inCollection: false,
indent: indent,
lineStart: lineStart,
parent: this
}, offset);
} else if (ch && lineStart > start + 1) {
offset = lineStart - 1;
}
if (this.node) {
if (blankLine) {
// Only blank lines preceding non-empty nodes are captured. Note that
// this means that collection item range start indices do not always
// increase monotonically. -- eemeli/yaml#126
var items = context.parent.items || context.parent.contents;
if (items) items.push(blankLine);
}
if (comments.length) Array.prototype.push.apply(this.props, comments);
offset = this.node.range.end;
} else {
if (inlineComment) {
var c = comments[0];
this.props.push(c);
offset = c.end;
} else {
offset = Node.endOfLine(src, start + 1);
}
}
var end = this.node ? this.node.valueRange.end : offset;
this.valueRange = new Range(start, end);
return offset;
}
}, {
key: "setOrigRanges",
value: function setOrigRanges(cr, offset) {
offset = _get(_getPrototypeOf(CollectionItem.prototype), "setOrigRanges", this).call(this, cr, offset);
return this.node ? this.node.setOrigRanges(cr, offset) : offset;
}
}, {
key: "toString",
value: function toString() {
var src = this.context.src,
node = this.node,
range = this.range,
value = this.value;
if (value != null) return value;
var str = node ? src.slice(range.start, node.range.start) + String(node) : src.slice(range.start, range.end);
return Node.addStringTerminator(src, range.end, str);
}
}]);
return CollectionItem;
}(Node);
var Comment = /*#__PURE__*/function (_Node) {
_inherits(Comment, _Node);
var _super = _createSuper(Comment);
function Comment() {
_classCallCheck(this, Comment);
return _super.call(this, Type.COMMENT);
}
/**
* Parses a comment line from the source
*
* @param {ParseContext} context
* @param {number} start - Index of first character
* @returns {number} - Index of the character after this scalar
*/
_createClass(Comment, [{
key: "parse",
value: function parse(context, start) {
this.context = context;
var offset = this.parseComment(start);
this.range = new Range(start, offset);
return offset;
}
}]);
return Comment;
}(Node);
function grabCollectionEndComments(node) {
var cnode = node;
while (cnode instanceof CollectionItem) {
cnode = cnode.node;
}
if (!(cnode instanceof Collection)) return null;
var len = cnode.items.length;
var ci = -1;
for (var i = len - 1; i >= 0; --i) {
var n = cnode.items[i];
if (n.type === Type.COMMENT) {
// Keep sufficiently indented comments with preceding node
var _n$context = n.context,
indent = _n$context.indent,
lineStart = _n$context.lineStart;
if (indent > 0 && n.range.start >= lineStart + indent) break;
ci = i;
} else if (n.type === Type.BLANK_LINE) ci = i;else break;
}
if (ci === -1) return null;
var ca = cnode.items.splice(ci, len - ci);
var prevEnd = ca[0].range.start;
while (true) {
cnode.range.end = prevEnd;
if (cnode.valueRange && cnode.valueRange.end > prevEnd) cnode.valueRange.end = prevEnd;
if (cnode === node) break;
cnode = cnode.context.parent;
}
return ca;
}
var Collection = /*#__PURE__*/function (_Node) {
_inherits(Collection, _Node);
var _super = _createSuper(Collection);
function Collection(firstItem) {
var _this;
_classCallCheck(this, Collection);
_this = _super.call(this, firstItem.type === Type.SEQ_ITEM ? Type.SEQ : Type.MAP);
for (var i = firstItem.props.length - 1; i >= 0; --i) {
if (firstItem.props[i].start < firstItem.context.lineStart) {
// props on previous line are assumed by the collection
_this.props = firstItem.props.slice(0, i + 1);
firstItem.props = firstItem.props.slice(i + 1);
var itemRange = firstItem.props[0] || firstItem.valueRange;
firstItem.range.start = itemRange.start;
break;
}
}
_this.items = [firstItem];
var ec = grabCollectionEndComments(firstItem);
if (ec) Array.prototype.push.apply(_this.items, ec);
return _this;
}
_createClass(Collection, [{
key: "includesTrailingLines",
get: function get() {
return this.items.length > 0;
}
/**
* @param {ParseContext} context
* @param {number} start - Index of first character
* @returns {number} - Index of the character after this
*/
}, {
key: "parse",
value: function parse(context, start) {
this.context = context;
var parseNode = context.parseNode,
src = context.src; // It's easier to recalculate lineStart here rather than tracking down the
// last context from which to read it -- eemeli/yaml#2
var lineStart = Node.startOfLine(src, start);
var firstItem = this.items[0]; // First-item context needs to be correct for later comment handling
// -- eemeli/yaml#17
firstItem.context.parent = this;
this.valueRange = Range.copy(firstItem.valueRange);
var indent = firstItem.range.start - firstItem.context.lineStart;
var offset = start;
offset = Node.normalizeOffset(src, offset);
var ch = src[offset];
var atLineStart = Node.endOfWhiteSpace(src, lineStart) === offset;
var prevIncludesTrailingLines = false;
while (ch) {
while (ch === '\n' || ch === '#') {
if (atLineStart && ch === '\n' && !prevIncludesTrailingLines) {
var blankLine = new BlankLine();
offset = blankLine.parse({
src: src
}, offset);
this.valueRange.end = offset;
if (offset >= src.length) {
ch = null;
break;
}
this.items.push(blankLine);
offset -= 1; // blankLine.parse() consumes terminal newline
} else if (ch === '#') {
if (offset < lineStart + indent && !Collection.nextContentHasIndent(src, offset, indent)) {
return offset;
}
var comment = new Comment();
offset = comment.parse({
indent: indent,
lineStart: lineStart,
src: src
}, offset);
this.items.push(comment);
this.valueRange.end = offset;
if (offset >= src.length) {
ch = null;
break;
}
}
lineStart = offset + 1;
offset = Node.endOfIndent(src, lineStart);
if (Node.atBlank(src, offset)) {
var wsEnd = Node.endOfWhiteSpace(src, offset);
var next = src[wsEnd];
if (!next || next === '\n' || next === '#') {
offset = wsEnd;
}
}
ch = src[offset];
atLineStart = true;
}
if (!ch) {
break;
}
if (offset !== lineStart + indent && (atLineStart || ch !== ':')) {
if (offset < lineStart + indent) {
if (lineStart > start) offset = lineStart;
break;
} else if (!this.error) {
var msg = 'All collection items must start at the same column';
this.error = new YAMLSyntaxError(this, msg);
}
}
if (firstItem.type === Type.SEQ_ITEM) {
if (ch !== '-') {
if (lineStart > start) offset = lineStart;
break;
}
} else if (ch === '-' && !this.error) {
// map key may start with -, as long as it's followed by a non-whitespace char
var _next = src[offset + 1];
if (!_next || _next === '\n' || _next === '\t' || _next === ' ') {
var _msg = 'A collection cannot be both a mapping and a sequence';
this.error = new YAMLSyntaxError(this, _msg);
}
}
var node = parseNode({
atLineStart: atLineStart,
inCollection: true,
indent: indent,
lineStart: lineStart,
parent: this
}, offset);
if (!node) return offset; // at next document start
this.items.push(node);
this.valueRange.end = node.valueRange.end;
offset = Node.normalizeOffset(src, node.range.end);
ch = src[offset];
atLineStart = false;
prevIncludesTrailingLines = node.includesTrailingLines; // Need to reset lineStart and atLineStart here if preceding node's range
// has advanced to check the current line's indentation level
// -- eemeli/yaml#10 & eemeli/yaml#38
if (ch) {
var ls = offset - 1;
var prev = src[ls];
while (prev === ' ' || prev === '\t') {
prev = src[--ls];
}
if (prev === '\n') {
lineStart = ls + 1;
atLineStart = true;
}
}
var ec = grabCollectionEndComments(node);
if (ec) Array.prototype.push.apply(this.items, ec);
}
return offset;
}
}, {
key: "setOrigRanges",
value: function setOrigRanges(cr, offset) {
offset = _get(_getPrototypeOf(Collection.prototype), "setOrigRanges", this).call(this, cr, offset);
this.items.forEach(function (node) {
offset = node.setOrigRanges(cr, offset);
});
return offset;
}
}, {
key: "toString",
value: function toString() {
var src = this.context.src,
items = this.items,
range = this.range,
value = this.value;
if (value != null) return value;
var str = src.slice(range.start, items[0].range.start) + String(items[0]);
for (var i = 1; i < items.length; ++i) {
var item = items[i];
var _item$context = item.context,
atLineStart = _item$context.atLineStart,
indent = _item$context.indent;
if (atLineStart) for (var _i = 0; _i < indent; ++_i) {
str += ' ';
}
str += String(item);
}
return Node.addStringTerminator(src, range.end, str);
}
}], [{
key: "nextContentHasIndent",
value: function nextContentHasIndent(src, offset, indent) {
var lineStart = Node.endOfLine(src, offset) + 1;
offset = Node.endOfWhiteSpace(src, lineStart);
var ch = src[offset];
if (!ch) return false;
if (offset >= lineStart + indent) return true;
if (ch !== '#' && ch !== '\n') return false;
return Collection.nextContentHasIndent(src, offset, indent);
}
}]);
return Collection;
}(Node);
var Directive = /*#__PURE__*/function (_Node) {
_inherits(Directive, _Node);
var _super = _createSuper(Directive);
function Directive() {
var _this;
_classCallCheck(this, Directive);
_this = _super.call(this, Type.DIRECTIVE);
_this.name = null;
return _this;
}
_createClass(Directive, [{
key: "parameters",
get: function get() {
var raw = this.rawValue;
return raw ? raw.trim().split(/[ \t]+/) : [];
}
}, {
key: "parseName",
value: function parseName(start) {
var src = this.context.src;
var offset = start;
var ch = src[offset];
while (ch && ch !== '\n' && ch !== '\t' && ch !== ' ') {
ch = src[offset += 1];
}
this.name = src.slice(start, offset);
return offset;
}
}, {
key: "parseParameters",
value: function parseParameters(start) {
var src = this.context.src;
var offset = start;
var ch = src[offset];
while (ch && ch !== '\n' && ch !== '#') {
ch = src[offset += 1];
}
this.valueRange = new Range(start, offset);
return offset;
}
}, {
key: "parse",
value: function parse(context, start) {
this.context = context;
var offset = this.parseName(start + 1);
offset = this.parseParameters(offset);
offset = this.parseComment(offset);
this.range = new Range(start, offset);
return offset;
}
}]);
return Directive;
}(Node);
var Document = /*#__PURE__*/function (_Node) {
_inherits(Document, _Node);
var _super = _createSuper(Document);
function Document() {
var _this;
_classCallCheck(this, Document);
_this = _super.call(this, Type.DOCUMENT);
_this.directives = null;
_this.contents = null;
_this.directivesEndMarker = null;
_this.documentEndMarker = null;
return _this;
}
_createClass(Document, [{
key: "parseDirectives",
value: function parseDirectives(start) {
var src = this.context.src;
this.directives = [];
var atLineStart = true;
var hasDirectives = false;
var offset = start;
while (!Node.atDocumentBoundary(src, offset, Char.DIRECTIVES_END)) {
offset = Document.startCommentOrEndBlankLine(src, offset);
switch (src[offset]) {
case '\n':
if (atLineStart) {
var blankLine = new BlankLine();
offset = blankLine.parse({
src: src
}, offset);
if (offset < src.length) {
this.directives.push(blankLine);
}
} else {
offset += 1;
atLineStart = true;
}
break;
case '#':
{
var comment = new Comment();
offset = comment.parse({
src: src
}, offset);
this.directives.push(comment);
atLineStart = false;
}
break;
case '%':
{
var directive = new Directive();
offset = directive.parse({
parent: this,
src: src
}, offset);
this.directives.push(directive);
hasDirectives = true;
atLineStart = false;
}
break;
default:
if (hasDirectives) {
this.error = new YAMLSemanticError(this, 'Missing directives-end indicator line');
} else if (this.directives.length > 0) {
this.contents = this.directives;
this.directives = [];
}
return offset;
}
}
if (src[offset]) {
this.directivesEndMarker = new Range(offset, offset + 3);
return offset + 3;
}
if (hasDirectives) {
this.error = new YAMLSemanticError(this, 'Missing directives-end indicator line');
} else if (this.directives.length > 0) {
this.contents = this.directives;
this.directives = [];
}
return offset;
}
}, {
key: "parseContents",
value: function parseContents(start) {
var _this$context = this.context,
parseNode = _this$context.parseNode,
src = _this$context.src;
if (!this.contents) this.contents = [];
var lineStart = start;
while (src[lineStart - 1] === '-') {
lineStart -= 1;
}
var offset = Node.endOfWhiteSpace(src, start);
var atLineStart = lineStart === start;
this.valueRange = new Range(offset);
while (!Node.atDocumentBoundary(src, offset, Char.DOCUMENT_END)) {
switch (src[offset]) {
case '\n':
if (atLineStart) {
var blankLine = new BlankLine();
offset = blankLine.parse({
src: src
}, offset);
if (offset < src.length) {
this.contents.push(blankLine);
}
} else {
offset += 1;
atLineStart = true;
}
lineStart = offset;
break;
case '#':
{
var comment = new Comment();
offset = comment.parse({
src: src
}, offset);
this.contents.push(comment);
atLineStart = false;
}
break;
default:
{
var iEnd = Node.endOfIndent(src, offset);
var context = {
atLineStart: atLineStart,
indent: -1,
inFlow: false,
inCollection: false,
lineStart: lineStart,
parent: this
};
var 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;
var 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 Range(offset, offset + 3);
offset += 3;
if (src[offset]) {
offset = Node.endOfWhiteSpace(src, offset);
if (src[offset] === '#') {
var _comment = new Comment();
offset = _comment.parse({
src: src
}, offset);
this.contents.push(_comment);
}
switch (src[offset]) {
case '\n':
offset += 1;
break;
case undefined:
break;
default:
this.error = new 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
*/
}, {
key: "parse",
value: function parse(context, start) {
context.root = this;
this.context = context;
var src = context.src;
var offset = src.charCodeAt(start) === 0xfeff ? start + 1 : start; // skip BOM
offset = this.parseDirectives(offset);
offset = this.parseContents(offset);
return offset;
}
}, {
key: "setOrigRanges",
value: function setOrigRanges(cr, offset) {
offset = _get(_getPrototypeOf(Document.prototype), "setOrigRanges", this).call(this, cr, offset);
this.directives.forEach(function (node) {
offset = node.setOrigRanges(cr, offset);
});
if (this.directivesEndMarker) offset = this.directivesEndMarker.setOrigRange(cr, offset);
this.contents.forEach(function (node) {
offset = node.setOrigRanges(cr, offset);
});
if (this.documentEndMarker) offset = this.documentEndMarker.setOrigRange(cr, offset);
return offset;
}
}, {
key: "toString",
value: function toString() {
var contents = this.contents,
directives = this.directives,
value = this.value;
if (value != null) return value;
var str = directives.join('');
if (contents.length > 0) {
if (directives.length > 0 || contents[0].type === Type.COMMENT) str += '---\n';
str += contents.join('');
}
if (str[str.length - 1] !== '\n') str += '\n';
return str;
}
}], [{
key: "startCommentOrEndBlankLine",
value: function startCommentOrEndBlankLine(src, start) {
var offset = Node.endOfWhiteSpace(src, start);
var ch = src[offset];
return ch === '#' || ch === '\n' ? offset : start;
}
}]);
return Document;
}(Node);
var Alias = /*#__PURE__*/function (_Node) {
_inherits(Alias, _Node);
var _super = _createSuper(Alias);
function Alias() {
_classCallCheck(this, Alias);
return _super.apply(this, arguments);
}
_createClass(Alias, [{
key: "parse",
value:
/**
* 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
*/
function parse(context, start) {
this.context = context;
var src = context.src;
var offset = Node.endOfIdentifier(src, start + 1);
this.valueRange = new Range(start + 1, offset);
offset = Node.endOfWhiteSpace(src, offset);
offset = this.parseComment(offset);
return offset;
}
}]);
return Alias;
}(Node);
var Chomp = {
CLIP: 'CLIP',
KEEP: 'KEEP',
STRIP: 'STRIP'
};
var BlockValue = /*#__PURE__*/function (_Node) {
_inherits(BlockValue, _Node);
var _super = _createSuper(BlockValue);
function BlockValue(type, props) {
var _this;
_classCallCheck(this, BlockValue);
_this = _super.call(this, type, props);
_this.blockIndent = null;
_this.chomping = Chomp.CLIP;
_this.header = null;
return _this;
}
_createClass(BlockValue, [{
key: "includesTrailingLines",
get: function get() {
return this.chomping === Chomp.KEEP;
}
}, {
key: "strValue",
get: function get() {
if (!this.valueRange || !this.context) return null;
var _this$valueRange = this.valueRange,
start = _this$valueRange.start,
end = _this$valueRange.end;
var _this$context = this.context,
indent = _this$context.indent,
src = _this$context.src;
if (this.valueRange.isEmpty()) return '';
var lastNewLine = null;
var 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];
}
var keepStart = end + 1;
if (lastNewLine) {
if (this.chomping === Chomp.KEEP) {
keepStart = lastNewLine;
end = this.valueRange.end;
} else {
end = lastNewLine;
}
}
var bi = indent + this.blockIndent;
var folded = this.type === Type.BLOCK_FOLDED;
var atStart = true;
var str = '';
var sep = '';
var prevMoreIndented = false;
for (var i = start; i < end; ++i) {
for (var j = 0; j < bi; ++j) {
if (src[i] !== ' ') break;
i += 1;
}
var _ch = src[i];
if (_ch === '\n') {
if (sep === '\n') str += '\n';else sep = '\n';
} else {
var lineEnd = Node.endOfLine(src, i);
var 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';
}
}, {
key: "parseBlockHeader",
value: function parseBlockHeader(start) {
var src = this.context.src;
var offset = start + 1;
var bi = '';
while (true) {
var 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 Range(start, offset);
return offset;
}
offset += 1;
}
}
}, {
key: "parseBlockValue",
value: function parseBlockValue(start) {
var _this$context2 = this.context,
indent = _this$context2.indent,
src = _this$context2.src;
var explicit = !!this.blockIndent;
var offset = start;
var valueEnd = start;
var minBlockIndent = 1;
for (var ch = src[offset]; ch === '\n'; ch = src[offset]) {
offset += 1;
if (Node.atDocumentBoundary(src, offset)) break;
var end = Node.endOfBlockIndent(src, indent, offset); // should not include tab?
if (end === null) break;
var _ch2 = src[end];
var 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) {
var msg = 'Block scalars with more-indented leading empty lines must use an explicit indentation indicator';
this.error = new YAMLSemanticError(this, msg);
}
this.blockIndent = lineIndent;
} else if (lineIndent > minBlockIndent) {
// empty line with more whitespace
minBlockIndent = lineIndent;
}
} else if (_ch2 && _ch2 !== '\n' && lineIndent < this.blockIndent) {
if (src[end] === '#') break;
if (!this.error) {
var _src = explicit ? 'explicit indentation indicator' : 'first line';
var _msg = "Block scalars must not be less indented than their ".concat(_src);
this.error = new YAMLSemanticError(this, _msg);
}
}
if (src[end] === '\n') {
offset = end;
} else {
offset = valueEnd = Node.endOfLine(src, end);
}
}
if (this.chomping !== Chomp.KEEP) {
offset = src[valueEnd] ? valueEnd + 1 : valueEnd;
}
this.valueRange = new 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
*/
}, {
key: "parse",
value: function parse(context, start) {
this.context = context;
var src = context.src;
var offset = this.parseBlockHeader(start);
offset = Node.endOfWhiteSpace(src, offset);
offset = this.parseComment(offset);
offset = this.parseBlockValue(offset);
return offset;
}
}, {
key: "setOrigRanges",
value: function setOrigRanges(cr, offset) {
offset = _get(_getPrototypeOf(BlockValue.prototype), "setOrigRanges", this).call(this, cr, offset);
return this.header ? this.header.setOrigRange(cr, offset) : offset;
}
}]);
return BlockValue;
}(Node);
var FlowCollection = /*#__PURE__*/function (_Node) {
_inherits(FlowCollection, _Node);
var _super = _createSuper(FlowCollection);
function FlowCollection(type, props) {
var _this;
_classCallCheck(this, FlowCollection);
_this = _super.call(this, type, props);
_this.items = null;
return _this;
}
_createClass(FlowCollection, [{
key: "prevNodeIsJsonLike",
value: function prevNodeIsJsonLike() {
var idx = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.items.length;
var node = this.items[idx - 1];
return !!node && (node.jsonLike || node.type === Type.COMMENT && this.prevNodeIsJsonLike(idx - 1));
}
/**
* @param {ParseContext} context
* @param {number} start - Index of first character
* @returns {number} - Index of the character after this
*/
}, {
key: "parse",
value: function parse(context, start) {
this.context = context;
var parseNode = context.parseNode,
src = context.src;
var indent = context.indent,
lineStart = context.lineStart;
var char = src[start]; // { or [
this.items = [{
char: char,
offset: start
}];
var offset = Node.endOfWhiteSpace(src, start + 1);
char = src[offset];
while (char && char !== ']' && char !== '}') {
switch (char) {
case '\n':
{
lineStart = offset + 1;
var wsEnd = Node.endOfWhiteSpace(src, lineStart);
if (src[wsEnd] === '\n') {
var blankLine = new BlankLine();
lineStart = blankLine.parse({
src: src
}, lineStart);
this.items.push(blankLine);
}
offset = Node.endOfIndent(src, lineStart);
if (offset <= lineStart + indent) {
char = src[offset];
if (offset < lineStart + indent || char !== ']' && char !== '}') {
var msg = 'Insufficient indentation in flow collection';
this.error = new YAMLSemanticError(this, msg);
}
}
}
break;
case ',':
{
this.items.push({
char: char,
offset: offset
});
offset += 1;
}
break;
case '#':
{
var comment = new Comment();
offset = comment.parse({
src: src
}, offset);
this.items.push(comment);
}
break;
case '?':
case ':':
{
var 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: char,
offset: offset
});
offset += 1;
break;
}
}
// fallthrough
default:
{
var node = parseNode({
atLineStart: false,
inCollection: false,
inFlow: true,
indent: -1,
lineStart: lineStart,
parent: this
}, offset);
if (!node) {
// at next document start
this.valueRange = new Range(start, offset);
return offset;
}
this.items.push(node);
offset = Node.normalizeOffset(src, node.range.end);
}
}
offset = Node.endOfWhiteSpace(src, offset);
char = src[offset];
}
this.valueRange = new Range(start, offset + 1);
if (char) {
this.items.push({
char: char,
offset: offset
});
offset = Node.endOfWhiteSpace(src, offset + 1);
offset = this.parseComment(offset);
}
return offset;
}
}, {
key: "setOrigRanges",
value: function setOrigRanges(cr, offset) {
offset = _get(_getPrototypeOf(FlowCollection.prototype), "setOrigRanges", this).call(this, cr, offset);
this.items.forEach(function (node) {
if (node instanceof Node) {
offset = node.setOrigRanges(cr, offset);
} else if (cr.length === 0) {
node.origOffset = node.offset;
} else {
var i = offset;
while (i < cr.length) {
if (cr[i] > node.offset) break;else ++i;
}
node.origOffset = node.offset + i;
offset = i;
}
});
return offset;
}
}, {
key: "toString",
value: function toString() {
var src = this.context.src,
items = this.items,
range = this.range,
value = this.value;
if (value != null) return value;
var nodes = items.filter(function (item) {
return item instanceof Node;
});
var str = '';
var prevEnd = range.start;
nodes.forEach(function (node) {
var 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 Node.addStringTerminator(src, range.end, str);
}
}]);
return FlowCollection;
}(Node);
var QuoteDouble = /*#__PURE__*/function (_Node) {
_inherits(QuoteDouble, _Node);
var _super = _createSuper(QuoteDouble);
function QuoteDouble() {
_classCallCheck(this, QuoteDouble);
return _super.apply(this, arguments);
}
_createClass(QuoteDouble, [{
key: "strValue",
get:
/**
* @returns {string | { str: string, errors: YAMLSyntaxError[] }}
*/
function get() {
if (!this.valueRange || !this.context) return null;
var errors = [];
var _this$valueRange = this.valueRange,
start = _this$valueRange.start,
end = _this$valueRange.end;
var _this$context = this.context,
indent = _this$context.indent,
src = _this$context.src;
if (src[end - 1] !== '"') errors.push(new YAMLSyntaxError(this, 'Missing closing "quote')); // Using String#replace is too painful with escaped newlines preceded by
// escaped backslashes; also, this should be faster.
var str = '';
for (var i = start + 1; i < end - 1; ++i) {
var ch = src[i];
if (ch === '\n') {
if (Node.atDocumentBoundary(src, i + 1)) errors.push(new YAMLSemanticError(this, 'Document boundary indicators are not allowed within string values'));
var _Node$foldNewline = Node.foldNewline(src, i, indent),
fold = _Node$foldNewline.fold,
offset = _Node$foldNewline.offset,
error = _Node$foldNewline.error;
str += fold;
i = offset;
if (error) errors.push(new 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 += "\x85";
break;
// Unicode next line
case '_':
str += "\xA0";
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 YAMLSyntaxError(this, "Invalid escape sequence ".concat(src.substr(i - 1, 2))));
str += '\\' + src[i];
}
} else if (ch === ' ' || ch === '\t') {
// trim trailing whitespace
var wsStart = i;
var 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: errors,
str: str
} : str;
}
}, {
key: "parseCharCode",
value: function parseCharCode(offset, length, errors) {
var src = this.context.src;
var cc = src.substr(offset, length);
var ok = cc.length === length && /^[0-9a-fA-F]+$/.test(cc);
var code = ok ? parseInt(cc, 16) : NaN;
if (isNaN(code)) {
errors.push(new YAMLSyntaxError(this, "Invalid escape sequence ".concat(src.substr(offset - 2, length + 2))));
return src.substr(offset - 2, length + 2);
}
return String.fromCodePoint(code);
}
/**
* Parses a "double quoted" value from the source
*
* @param {ParseContext} context
* @param {number} start - Index of first character
* @returns {number} - Index of the character after this scalar
*/
}, {
key: "parse",
value: function parse(context, start) {
this.context = context;
var src = context.src;
var offset = QuoteDouble.endOfQuote(src, start + 1);
this.valueRange = new Range(start, offset);
offset = Node.endOfWhiteSpace(src, offset);
offset = this.parseComment(offset);
return offset;
}
}], [{
key: "endOfQuote",
value: function endOfQuote(src, offset) {
var ch = src[offset];
while (ch && ch !== '"') {
offset += ch === '\\' ? 2 : 1;
ch = src[offset];
}
return offset + 1;
}
}]);
return QuoteDouble;
}(Node);
var QuoteSingle = /*#__PURE__*/function (_Node) {
_inherits(QuoteSingle, _Node);
var _super = _createSuper(QuoteSingle);
function QuoteSingle() {
_classCallCheck(this, QuoteSingle);
return _super.apply(this, arguments);
}
_createClass(QuoteSingle, [{
key: "strValue",
get:
/**
* @returns {string | { str: string, errors: YAMLSyntaxError[] }}
*/
function get() {
if (!this.valueRange || !this.context) return null;
var errors = [];
var _this$valueRange = this.valueRange,
start = _this$valueRange.start,
end = _this$valueRange.end;
var _this$context = this.context,
indent = _this$context.indent,
src = _this$context.src;
if (src[end - 1] !== "'") errors.push(new YAMLSyntaxError(this, "Missing closing 'quote"));
var str = '';
for (var i = start + 1; i < end - 1; ++i) {
var ch = src[i];
if (ch === '\n') {
if (Node.atDocumentBoundary(src, i + 1)) errors.push(new YAMLSemanticError(this, 'Document boundary indicators are not allowed within string values'));
var _Node$foldNewline = Node.foldNewline(src, i, indent),
fold = _Node$foldNewline.fold,
offset = _Node$foldNewline.offset,
error = _Node$foldNewline.error;
str += fold;
i = offset;
if (error) errors.push(new 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 YAMLSyntaxError(this, 'Unescaped single quote? This should not happen.'));
} else if (ch === ' ' || ch === '\t') {
// trim trailing whitespace
var wsStart = i;
var 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: errors,
str: 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
*/
}, {
key: "parse",
value: function parse(context, start) {
this.context = context;
var src = context.src;
var offset = QuoteSingle.endOfQuote(src, start + 1);
this.valueRange = new Range(start, offset);
offset = Node.endOfWhiteSpace(src, offset);
offset = this.parseComment(offset);
return offset;
}
}], [{
key: "endOfQuote",
value: function endOfQuote(src, offset) {
var ch = src[offset];
while (ch) {
if (ch === "'") {
if (src[offset + 1] !== "'") break;
ch = src[offset += 2];
} else {
ch = src[offset += 1];
}
}
return offset + 1;
}
}]);
return QuoteSingle;
}(Node);
function createNewNode(type, props) {
switch (type) {
case Type.ALIAS:
return new Alias(type, props);
case Type.BLOCK_FOLDED:
case Type.BLOCK_LITERAL:
return new BlockValue(type, props);
case Type.FLOW_MAP:
case Type.FLOW_SEQ:
return new FlowCollection(type, props);
case Type.MAP_KEY:
case Type.MAP_VALUE:
case Type.SEQ_ITEM:
return new CollectionItem(type, props);
case Type.COMMENT:
case Type.PLAIN:
return new PlainValue(type, props);
case Type.QUOTE_DOUBLE:
return new QuoteDouble(type, props);
case 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
*/
var ParseContext = /*#__PURE__*/function () {
function ParseContext() {
var _this = this;
var orig = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
atLineStart = _ref.atLineStart,
inCollection = _ref.inCollection,
inFlow = _ref.inFlow,
indent = _ref.indent,
lineStart = _ref.lineStart,
parent = _ref.parent;
_classCallCheck(this, ParseContext);
_defineProperty(this, "parseNode", function (overlay, start) {
if (Node.atDocumentBoundary(_this.src, start)) return null;
var context = new ParseContext(_this, overlay);
var _context$parseProps = context.parseProps(start),
props = _context$parseProps.props,
type = _context$parseProps.type,
valueStart = _context$parseProps.valueStart;
var node = createNewNode(type, props);
var offset = node.parse(context, valueStart);
node.range = new 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 === Type.DOCUMENT) {
node.error = new YAMLSyntaxError(node, 'Block collection must not have preceding content here (e.g. directives-end indicator)');
}
var collection = new Collection(node);
offset = collection.parse(new ParseContext(context), offset);
collection.range = new 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;
}
_createClass(ParseContext, [{
key: "nodeStartsCollection",
value: function nodeStartsCollection(node) {
var inCollection = this.inCollection,
inFlow = this.inFlow,
src = this.src;
if (inCollection || inFlow) return false;
if (node instanceof CollectionItem) return true; // check for implicit key
var offset = node.range.end;
if (src[offset] === '\n' || src[offset - 1] === '\n') return false;
offset = Node.endOfWhiteSpace(src, offset);
return src[offset] === ':';
} // Anchor and tag are before type, which determines the node implementation
// class; hence this intermediate step.
}, {
key: "parseProps",
value: function parseProps(offset) {
var inFlow = this.inFlow,
parent = this.parent,
src = this.src;
var props = [];
var lineHasProps = false;
offset = this.atLineStart ? Node.endOfIndent(src, offset) : Node.endOfWhiteSpace(src, offset);
var ch = src[offset];
while (ch === Char.ANCHOR || ch === Char.COMMENT || ch === Char.TAG || ch === '\n') {
if (ch === '\n') {
var inEnd = offset;
var lineStart = void 0;
do {
lineStart = inEnd + 1;
inEnd = Node.endOfIndent(src, lineStart);
} while (src[inEnd] === '\n');
var indentDiff = inEnd - (lineStart + this.indent);
var noIndicatorAsIndent = parent.type === Type.SEQ_ITEM && parent.context.atLineStart;
if (src[inEnd] !== '#' && !Node.nextNodeIsIndented(src[inEnd], indentDiff, !noIndicatorAsIndent)) break;
this.atLineStart = true;
this.lineStart = lineStart;
lineHasProps = false;
offset = inEnd;
} else if (ch === Char.COMMENT) {
var end = Node.endOfLine(src, offset + 1);
props.push(new Range(offset, end));
offset = end;
} else {
var _end = Node.endOfIdentifier(src, offset + 1);
if (ch === 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 = Node.endOfIdentifier(src, _end + 5);
}
props.push(new Range(offset, _end));
lineHasProps = true;
offset = Node.endOfWhiteSpace(src, _end);
}
ch = src[offset];
} // '- &a : b' has an anchor on an empty node
if (lineHasProps && ch === ':' && Node.atBlank(src, offset + 1, true)) offset -= 1;
var type = ParseContext.parseType(src, offset, inFlow);
return {
props: props,
type: 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
*/
}], [{
key: "parseType",
value: function parseType(src, offset, inFlow) {
switch (src[offset]) {
case '*':
return Type.ALIAS;
case '>':
return Type.BLOCK_FOLDED;
case '|':
return Type.BLOCK_LITERAL;
case '{':
return Type.FLOW_MAP;
case '[':
return Type.FLOW_SEQ;
case '?':
return !inFlow && Node.atBlank(src, offset + 1, true) ? Type.MAP_KEY : Type.PLAIN;
case ':':
return !inFlow && Node.atBlank(src, offset + 1, true) ? Type.MAP_VALUE : Type.PLAIN;
case '-':
return !inFlow && Node.atBlank(src, offset + 1, true) ? Type.SEQ_ITEM : Type.PLAIN;
case '"':
return Type.QUOTE_DOUBLE;
case "'":
return Type.QUOTE_SINGLE;
default:
return Type.PLAIN;
}
}
}]);
return ParseContext;
}();
// Published as 'yaml/parse-cst'
function parse(src) {
var cr = [];
if (src.indexOf('\r') !== -1) {
src = src.replace(/\r\n?/g, function (match, offset) {
if (match.length > 1) cr.push(offset);
return '\n';
});
}
var documents = [];
var offset = 0;
do {
var doc = new Document();
var context = new ParseContext({
src: src
});
offset = doc.parse(context, offset);
documents.push(doc);
} while (offset < src.length);
documents.setOrigRanges = function () {
if (cr.length === 0) return false;
for (var i = 1; i < cr.length; ++i) {
cr[i] -= i;
}
var crOffset = 0;
for (var _i = 0; _i < documents.length; ++_i) {
crOffset = documents[_i].setOrigRanges(cr, crOffset);
}
cr.splice(0, cr.length);
return true;
};
documents.toString = function () {
return documents.join('...\n');
};
return documents;
}
export { parse };