Gazebo_simulation-Frontend/node_modules/yaml/dist/Document.js
2020-12-21 10:29:31 -05:00

710 lines
21 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _addComment = _interopRequireDefault(require("./addComment"));
var _Anchors = _interopRequireDefault(require("./Anchors"));
var _constants = require("./constants");
var _errors = require("./errors");
var _listTagNames = _interopRequireDefault(require("./listTagNames"));
var _schema = _interopRequireDefault(require("./schema"));
var _Alias = _interopRequireDefault(require("./schema/Alias"));
var _Collection = _interopRequireWildcard(require("./schema/Collection"));
var _Node = _interopRequireDefault(require("./schema/Node"));
var _Scalar = _interopRequireDefault(require("./schema/Scalar"));
var _toJSON = _interopRequireDefault(require("./toJSON"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; if (obj != null) { var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
const isCollectionItem = node => node && [_constants.Type.MAP_KEY, _constants.Type.MAP_VALUE, _constants.Type.SEQ_ITEM].includes(node.type);
class Document {
constructor(options) {
this.anchors = new _Anchors.default(options.anchorPrefix);
this.commentBefore = null;
this.comment = null;
this.contents = null;
this.directivesEndMarker = null;
this.errors = [];
this.options = options;
this.schema = null;
this.tagPrefixes = [];
this.version = null;
this.warnings = [];
}
assertCollectionContents() {
if (this.contents instanceof _Collection.default) return true;
throw new Error('Expected a YAML collection as document contents');
}
add(value) {
this.assertCollectionContents();
return this.contents.add(value);
}
addIn(path, value) {
this.assertCollectionContents();
this.contents.addIn(path, value);
}
delete(key) {
this.assertCollectionContents();
return this.contents.delete(key);
}
deleteIn(path) {
if ((0, _Collection.isEmptyPath)(path)) {
if (this.contents == null) return false;
this.contents = null;
return true;
}
this.assertCollectionContents();
return this.contents.deleteIn(path);
}
getDefaults() {
return Document.defaults[this.version] || Document.defaults[this.options.version] || {};
}
get(key, keepScalar) {
return this.contents instanceof _Collection.default ? this.contents.get(key, keepScalar) : undefined;
}
getIn(path, keepScalar) {
if ((0, _Collection.isEmptyPath)(path)) return !keepScalar && this.contents instanceof _Scalar.default ? this.contents.value : this.contents;
return this.contents instanceof _Collection.default ? this.contents.getIn(path, keepScalar) : undefined;
}
has(key) {
return this.contents instanceof _Collection.default ? this.contents.has(key) : false;
}
hasIn(path) {
if ((0, _Collection.isEmptyPath)(path)) return this.contents !== undefined;
return this.contents instanceof _Collection.default ? this.contents.hasIn(path) : false;
}
set(key, value) {
this.assertCollectionContents();
this.contents.set(key, value);
}
setIn(path, value) {
if ((0, _Collection.isEmptyPath)(path)) this.contents = value;else {
this.assertCollectionContents();
this.contents.setIn(path, value);
}
}
setSchema(id, customTags) {
if (!id && !customTags && this.schema) return;
if (typeof id === 'number') id = id.toFixed(1);
if (id === '1.0' || id === '1.1' || id === '1.2') {
if (this.version) this.version = id;else this.options.version = id;
delete this.options.schema;
} else if (id && typeof id === 'string') {
this.options.schema = id;
}
if (Array.isArray(customTags)) this.options.customTags = customTags;
const opt = Object.assign({}, this.getDefaults(), this.options);
this.schema = new _schema.default(opt);
}
parse(node, prevDoc) {
if (this.options.keepCstNodes) this.cstNode = node;
if (this.options.keepNodeTypes) this.type = 'DOCUMENT';
const {
directives = [],
contents = [],
directivesEndMarker,
error,
valueRange
} = node;
if (error) {
if (!error.source) error.source = this;
this.errors.push(error);
}
this.parseDirectives(directives, prevDoc);
if (directivesEndMarker) this.directivesEndMarker = true;
this.range = valueRange ? [valueRange.start, valueRange.end] : null;
this.setSchema();
this.anchors._cstAliases = [];
this.parseContents(contents);
this.anchors.resolveNodes();
if (this.options.prettyErrors) {
for (const error of this.errors) if (error instanceof _errors.YAMLError) error.makePretty();
for (const warn of this.warnings) if (warn instanceof _errors.YAMLError) warn.makePretty();
}
return this;
}
parseDirectives(directives, prevDoc) {
const directiveComments = [];
let hasDirectives = false;
directives.forEach(directive => {
const {
comment,
name
} = directive;
switch (name) {
case 'TAG':
this.resolveTagDirective(directive);
hasDirectives = true;
break;
case 'YAML':
case 'YAML:1.0':
this.resolveYamlDirective(directive);
hasDirectives = true;
break;
default:
if (name) {
const msg = `YAML only supports %TAG and %YAML directives, and not %${name}`;
this.warnings.push(new _errors.YAMLWarning(directive, msg));
}
}
if (comment) directiveComments.push(comment);
});
if (prevDoc && !hasDirectives && '1.1' === (this.version || prevDoc.version || this.options.version)) {
const copyTagPrefix = ({
handle,
prefix
}) => ({
handle,
prefix
});
this.tagPrefixes = prevDoc.tagPrefixes.map(copyTagPrefix);
this.version = prevDoc.version;
}
this.commentBefore = directiveComments.join('\n') || null;
}
parseContents(contents) {
const comments = {
before: [],
after: []
};
const contentNodes = [];
let spaceBefore = false;
contents.forEach(node => {
if (node.valueRange) {
if (contentNodes.length === 1) {
const msg = 'Document is not valid YAML (bad indentation?)';
this.errors.push(new _errors.YAMLSyntaxError(node, msg));
}
const res = this.resolveNode(node);
if (spaceBefore) {
res.spaceBefore = true;
spaceBefore = false;
}
contentNodes.push(res);
} else if (node.comment !== null) {
const cc = contentNodes.length === 0 ? comments.before : comments.after;
cc.push(node.comment);
} else if (node.type === _constants.Type.BLANK_LINE) {
spaceBefore = true;
if (contentNodes.length === 0 && comments.before.length > 0 && !this.commentBefore) {
// space-separated comments at start are parsed as document comments
this.commentBefore = comments.before.join('\n');
comments.before = [];
}
}
});
switch (contentNodes.length) {
case 0:
this.contents = null;
comments.after = comments.before;
break;
case 1:
this.contents = contentNodes[0];
if (this.contents) {
const cb = comments.before.join('\n') || null;
if (cb) {
const cbNode = this.contents instanceof _Collection.default && this.contents.items[0] ? this.contents.items[0] : this.contents;
cbNode.commentBefore = cbNode.commentBefore ? `${cb}\n${cbNode.commentBefore}` : cb;
}
} else {
comments.after = comments.before.concat(comments.after);
}
break;
default:
this.contents = contentNodes;
if (this.contents[0]) {
this.contents[0].commentBefore = comments.before.join('\n') || null;
} else {
comments.after = comments.before.concat(comments.after);
}
}
this.comment = comments.after.join('\n') || null;
}
resolveTagDirective(directive) {
const [handle, prefix] = directive.parameters;
if (handle && prefix) {
if (this.tagPrefixes.every(p => p.handle !== handle)) {
this.tagPrefixes.push({
handle,
prefix
});
} else {
const msg = 'The %TAG directive must only be given at most once per handle in the same document.';
this.errors.push(new _errors.YAMLSemanticError(directive, msg));
}
} else {
const msg = 'Insufficient parameters given for %TAG directive';
this.errors.push(new _errors.YAMLSemanticError(directive, msg));
}
}
resolveYamlDirective(directive) {
let [version] = directive.parameters;
if (directive.name === 'YAML:1.0') version = '1.0';
if (this.version) {
const msg = 'The %YAML directive must only be given at most once per document.';
this.errors.push(new _errors.YAMLSemanticError(directive, msg));
}
if (!version) {
const msg = 'Insufficient parameters given for %YAML directive';
this.errors.push(new _errors.YAMLSemanticError(directive, msg));
} else {
if (!Document.defaults[version]) {
const v0 = this.version || this.options.version;
const msg = `Document will be parsed as YAML ${v0} rather than YAML ${version}`;
this.warnings.push(new _errors.YAMLWarning(directive, msg));
}
this.version = version;
}
}
resolveTagName(node) {
const {
tag,
type
} = node;
let nonSpecific = false;
if (tag) {
const {
handle,
suffix,
verbatim
} = tag;
if (verbatim) {
if (verbatim !== '!' && verbatim !== '!!') return verbatim;
const msg = `Verbatim tags aren't resolved, so ${verbatim} is invalid.`;
this.errors.push(new _errors.YAMLSemanticError(node, msg));
} else if (handle === '!' && !suffix) {
nonSpecific = true;
} else {
let prefix = this.tagPrefixes.find(p => p.handle === handle);
if (!prefix) {
const dtp = this.getDefaults().tagPrefixes;
if (dtp) prefix = dtp.find(p => p.handle === handle);
}
if (prefix) {
if (suffix) {
if (handle === '!' && (this.version || this.options.version) === '1.0') {
if (suffix[0] === '^') return suffix;
if (/[:/]/.test(suffix)) {
// word/foo -> tag:word.yaml.org,2002:foo
const vocab = suffix.match(/^([a-z0-9-]+)\/(.*)/i);
return vocab ? `tag:${vocab[1]}.yaml.org,2002:${vocab[2]}` : `tag:${suffix}`;
}
}
return prefix.prefix + decodeURIComponent(suffix);
}
this.errors.push(new _errors.YAMLSemanticError(node, `The ${handle} tag has no suffix.`));
} else {
const msg = `The ${handle} tag handle is non-default and was not declared.`;
this.errors.push(new _errors.YAMLSemanticError(node, msg));
}
}
}
switch (type) {
case _constants.Type.BLOCK_FOLDED:
case _constants.Type.BLOCK_LITERAL:
case _constants.Type.QUOTE_DOUBLE:
case _constants.Type.QUOTE_SINGLE:
return _schema.default.defaultTags.STR;
case _constants.Type.FLOW_MAP:
case _constants.Type.MAP:
return _schema.default.defaultTags.MAP;
case _constants.Type.FLOW_SEQ:
case _constants.Type.SEQ:
return _schema.default.defaultTags.SEQ;
case _constants.Type.PLAIN:
return nonSpecific ? _schema.default.defaultTags.STR : null;
default:
return null;
}
}
resolveNode(node) {
if (!node) return null;
const {
anchors,
errors,
schema
} = this;
let hasAnchor = false;
let hasTag = false;
const comments = {
before: [],
after: []
};
const props = isCollectionItem(node.context.parent) ? node.context.parent.props.concat(node.props) : node.props;
for (const {
start,
end
} of props) {
switch (node.context.src[start]) {
case _constants.Char.COMMENT:
{
if (!node.commentHasRequiredWhitespace(start)) {
const msg = 'Comments must be separated from other tokens by white space characters';
errors.push(new _errors.YAMLSemanticError(node, msg));
}
const c = node.context.src.slice(start + 1, end);
const {
header,
valueRange
} = node;
if (valueRange && (start > valueRange.start || header && start > header.start)) {
comments.after.push(c);
} else {
comments.before.push(c);
}
}
break;
case _constants.Char.ANCHOR:
if (hasAnchor) {
const msg = 'A node can have at most one anchor';
errors.push(new _errors.YAMLSemanticError(node, msg));
}
hasAnchor = true;
break;
case _constants.Char.TAG:
if (hasTag) {
const msg = 'A node can have at most one tag';
errors.push(new _errors.YAMLSemanticError(node, msg));
}
hasTag = true;
break;
}
}
if (hasAnchor) {
const name = node.anchor;
const prev = anchors.getNode(name); // At this point, aliases for any preceding node with the same anchor
// name have already been resolved, so it may safely be renamed.
if (prev) anchors.map[anchors.newName(name)] = prev; // During parsing, we need to store the CST node in anchors.map as
// anchors need to be available during resolution to allow for
// circular references.
anchors.map[name] = node;
}
let res;
if (node.type === _constants.Type.ALIAS) {
if (hasAnchor || hasTag) {
const msg = 'An alias node must not specify any properties';
errors.push(new _errors.YAMLSemanticError(node, msg));
}
const name = node.rawValue;
const src = anchors.getNode(name);
if (!src) {
const msg = `Aliased anchor not found: ${name}`;
errors.push(new _errors.YAMLReferenceError(node, msg));
return null;
} // Lazy resolution for circular references
res = new _Alias.default(src);
anchors._cstAliases.push(res);
} else {
const tagName = this.resolveTagName(node);
if (tagName) {
res = schema.resolveNodeWithFallback(this, node, tagName);
} else {
if (node.type !== _constants.Type.PLAIN) {
const msg = `Failed to resolve ${node.type} node here`;
errors.push(new _errors.YAMLSyntaxError(node, msg));
return null;
}
try {
res = schema.resolveScalar(node.strValue || '');
} catch (error) {
if (!error.source) error.source = node;
errors.push(error);
return null;
}
}
}
if (res) {
res.range = [node.range.start, node.range.end];
if (this.options.keepCstNodes) res.cstNode = node;
if (this.options.keepNodeTypes) res.type = node.type;
const cb = comments.before.join('\n');
if (cb) {
res.commentBefore = res.commentBefore ? `${res.commentBefore}\n${cb}` : cb;
}
const ca = comments.after.join('\n');
if (ca) res.comment = res.comment ? `${res.comment}\n${ca}` : ca;
}
return node.resolved = res;
}
listNonDefaultTags() {
return (0, _listTagNames.default)(this.contents).filter(t => t.indexOf(_schema.default.defaultPrefix) !== 0);
}
setTagPrefix(handle, prefix) {
if (handle[0] !== '!' || handle[handle.length - 1] !== '!') throw new Error('Handle must start and end with !');
if (prefix) {
const prev = this.tagPrefixes.find(p => p.handle === handle);
if (prev) prev.prefix = prefix;else this.tagPrefixes.push({
handle,
prefix
});
} else {
this.tagPrefixes = this.tagPrefixes.filter(p => p.handle !== handle);
}
}
stringifyTag(tag) {
if ((this.version || this.options.version) === '1.0') {
const priv = tag.match(/^tag:private\.yaml\.org,2002:([^:/]+)$/);
if (priv) return '!' + priv[1];
const vocab = tag.match(/^tag:([a-zA-Z0-9-]+)\.yaml\.org,2002:(.*)/);
return vocab ? `!${vocab[1]}/${vocab[2]}` : `!${tag.replace(/^tag:/, '')}`;
} else {
let p = this.tagPrefixes.find(p => tag.indexOf(p.prefix) === 0);
if (!p) {
const dtp = this.getDefaults().tagPrefixes;
p = dtp && dtp.find(p => tag.indexOf(p.prefix) === 0);
}
if (!p) return tag[0] === '!' ? tag : `!<${tag}>`;
const suffix = tag.substr(p.prefix.length).replace(/[!,[\]{}]/g, ch => ({
'!': '%21',
',': '%2C',
'[': '%5B',
']': '%5D',
'{': '%7B',
'}': '%7D'
})[ch]);
return p.handle + suffix;
}
}
toJSON(arg) {
const {
keepBlobsInJSON,
mapAsMap,
maxAliasCount
} = this.options;
const keep = keepBlobsInJSON && (typeof arg !== 'string' || !(this.contents instanceof _Scalar.default));
const ctx = {
doc: this,
keep,
mapAsMap: keep && !!mapAsMap,
maxAliasCount
};
const anchorNames = Object.keys(this.anchors.map);
if (anchorNames.length > 0) ctx.anchors = anchorNames.map(name => ({
alias: [],
aliasCount: 0,
count: 1,
node: this.anchors.map[name]
}));
return (0, _toJSON.default)(this.contents, arg, ctx);
}
toString() {
if (this.errors.length > 0) throw new Error('Document with errors cannot be stringified');
this.setSchema();
const lines = [];
let hasDirectives = false;
if (this.version) {
let vd = '%YAML 1.2';
if (this.schema.name === 'yaml-1.1') {
if (this.version === '1.0') vd = '%YAML:1.0';else if (this.version === '1.1') vd = '%YAML 1.1';
}
lines.push(vd);
hasDirectives = true;
}
const tagNames = this.listNonDefaultTags();
this.tagPrefixes.forEach(({
handle,
prefix
}) => {
if (tagNames.some(t => t.indexOf(prefix) === 0)) {
lines.push(`%TAG ${handle} ${prefix}`);
hasDirectives = true;
}
});
if (hasDirectives || this.directivesEndMarker) lines.push('---');
if (this.commentBefore) {
if (hasDirectives || !this.directivesEndMarker) lines.unshift('');
lines.unshift(this.commentBefore.replace(/^/gm, '#'));
}
const ctx = {
anchors: {},
doc: this,
indent: ''
};
let chompKeep = false;
let contentComment = null;
if (this.contents) {
if (this.contents instanceof _Node.default) {
if (this.contents.spaceBefore && (hasDirectives || this.directivesEndMarker)) lines.push('');
if (this.contents.commentBefore) lines.push(this.contents.commentBefore.replace(/^/gm, '#')); // top-level block scalars need to be indented if followed by a comment
ctx.forceBlockIndent = !!this.comment;
contentComment = this.contents.comment;
}
const onChompKeep = contentComment ? null : () => chompKeep = true;
const body = this.schema.stringify(this.contents, ctx, () => contentComment = null, onChompKeep);
lines.push((0, _addComment.default)(body, '', contentComment));
} else if (this.contents !== undefined) {
lines.push(this.schema.stringify(this.contents, ctx));
}
if (this.comment) {
if ((!chompKeep || contentComment) && lines[lines.length - 1] !== '') lines.push('');
lines.push(this.comment.replace(/^/gm, '#'));
}
return lines.join('\n') + '\n';
}
}
exports.default = Document;
_defineProperty(Document, "defaults", {
'1.0': {
schema: 'yaml-1.1',
merge: true,
tagPrefixes: [{
handle: '!',
prefix: _schema.default.defaultPrefix
}, {
handle: '!!',
prefix: 'tag:private.yaml.org,2002:'
}]
},
'1.1': {
schema: 'yaml-1.1',
merge: true,
tagPrefixes: [{
handle: '!',
prefix: '!'
}, {
handle: '!!',
prefix: _schema.default.defaultPrefix
}]
},
'1.2': {
schema: 'core',
merge: false,
tagPrefixes: [{
handle: '!',
prefix: '!'
}, {
handle: '!!',
prefix: _schema.default.defaultPrefix
}]
}
});