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'use strict';
var PlainValue = require('./PlainValue-ec8e588e.js');
var resolveSeq = require('./resolveSeq-d03cb037.js');
var Schema = require('./Schema-88e323a7.js');
const defaultOptions = {
anchorPrefix: 'a',
customTags: null,
indent: 2,
indentSeq: true,
keepCstNodes: false,
keepNodeTypes: true,
keepBlobsInJSON: true,
mapAsMap: false,
maxAliasCount: 100,
prettyErrors: false,
// TODO Set true in v2
simpleKeys: false,
version: '1.2'
};
const scalarOptions = {
get binary() {
return resolveSeq.binaryOptions;
},
set binary(opt) {
Object.assign(resolveSeq.binaryOptions, opt);
},
get bool() {
return resolveSeq.boolOptions;
},
set bool(opt) {
Object.assign(resolveSeq.boolOptions, opt);
},
get int() {
return resolveSeq.intOptions;
},
set int(opt) {
Object.assign(resolveSeq.intOptions, opt);
},
get null() {
return resolveSeq.nullOptions;
},
set null(opt) {
Object.assign(resolveSeq.nullOptions, opt);
},
get str() {
return resolveSeq.strOptions;
},
set str(opt) {
Object.assign(resolveSeq.strOptions, opt);
}
};
const documentOptions = {
'1.0': {
schema: 'yaml-1.1',
merge: true,
tagPrefixes: [{
handle: '!',
prefix: PlainValue.defaultTagPrefix
}, {
handle: '!!',
prefix: 'tag:private.yaml.org,2002:'
}]
},
1.1: {
schema: 'yaml-1.1',
merge: true,
tagPrefixes: [{
handle: '!',
prefix: '!'
}, {
handle: '!!',
prefix: PlainValue.defaultTagPrefix
}]
},
1.2: {
schema: 'core',
merge: false,
tagPrefixes: [{
handle: '!',
prefix: '!'
}, {
handle: '!!',
prefix: PlainValue.defaultTagPrefix
}]
}
};
function stringifyTag(doc, tag) {
if ((doc.version || doc.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:/, '')}`;
}
let p = doc.tagPrefixes.find(p => tag.indexOf(p.prefix) === 0);
if (!p) {
const dtp = doc.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;
}
function getTagObject(tags, item) {
if (item instanceof resolveSeq.Alias) return resolveSeq.Alias;
if (item.tag) {
const match = tags.filter(t => t.tag === item.tag);
if (match.length > 0) return match.find(t => t.format === item.format) || match[0];
}
let tagObj, obj;
if (item instanceof resolveSeq.Scalar) {
obj = item.value; // TODO: deprecate/remove class check
const match = tags.filter(t => t.identify && t.identify(obj) || t.class && obj instanceof t.class);
tagObj = match.find(t => t.format === item.format) || match.find(t => !t.format);
} else {
obj = item;
tagObj = tags.find(t => t.nodeClass && obj instanceof t.nodeClass);
}
if (!tagObj) {
const name = obj && obj.constructor ? obj.constructor.name : typeof obj;
throw new Error(`Tag not resolved for ${name} value`);
}
return tagObj;
} // needs to be called before value stringifier to allow for circular anchor refs
function stringifyProps(node, tagObj, {
anchors,
doc
}) {
const props = [];
const anchor = doc.anchors.getName(node);
if (anchor) {
anchors[anchor] = node;
props.push(`&${anchor}`);
}
if (node.tag) {
props.push(stringifyTag(doc, node.tag));
} else if (!tagObj.default) {
props.push(stringifyTag(doc, tagObj.tag));
}
return props.join(' ');
}
function stringify(item, ctx, onComment, onChompKeep) {
const {
anchors,
schema
} = ctx.doc;
let tagObj;
if (!(item instanceof resolveSeq.Node)) {
const createCtx = {
aliasNodes: [],
onTagObj: o => tagObj = o,
prevObjects: new Map()
};
item = schema.createNode(item, true, null, createCtx);
for (const alias of createCtx.aliasNodes) {
alias.source = alias.source.node;
let name = anchors.getName(alias.source);
if (!name) {
name = anchors.newName();
anchors.map[name] = alias.source;
}
}
}
if (item instanceof resolveSeq.Pair) return item.toString(ctx, onComment, onChompKeep);
if (!tagObj) tagObj = getTagObject(schema.tags, item);
const props = stringifyProps(item, tagObj, ctx);
if (props.length > 0) ctx.indentAtStart = (ctx.indentAtStart || 0) + props.length + 1;
const str = typeof tagObj.stringify === 'function' ? tagObj.stringify(item, ctx, onComment, onChompKeep) : item instanceof resolveSeq.Scalar ? resolveSeq.stringifyString(item, ctx, onComment, onChompKeep) : item.toString(ctx, onComment, onChompKeep);
if (!props) return str;
return item instanceof resolveSeq.Scalar || str[0] === '{' || str[0] === '[' ? `${props} ${str}` : `${props}\n${ctx.indent}${str}`;
}
class Anchors {
static validAnchorNode(node) {
return node instanceof resolveSeq.Scalar || node instanceof resolveSeq.YAMLSeq || node instanceof resolveSeq.YAMLMap;
}
constructor(prefix) {
PlainValue._defineProperty(this, "map", Object.create(null));
this.prefix = prefix;
}
createAlias(node, name) {
this.setAnchor(node, name);
return new resolveSeq.Alias(node);
}
createMergePair(...sources) {
const merge = new resolveSeq.Merge();
merge.value.items = sources.map(s => {
if (s instanceof resolveSeq.Alias) {
if (s.source instanceof resolveSeq.YAMLMap) return s;
} else if (s instanceof resolveSeq.YAMLMap) {
return this.createAlias(s);
}
throw new Error('Merge sources must be Map nodes or their Aliases');
});
return merge;
}
getName(node) {
const {
map
} = this;
return Object.keys(map).find(a => map[a] === node);
}
getNames() {
return Object.keys(this.map);
}
getNode(name) {
return this.map[name];
}
newName(prefix) {
if (!prefix) prefix = this.prefix;
const names = Object.keys(this.map);
for (let i = 1; true; ++i) {
const name = `${prefix}${i}`;
if (!names.includes(name)) return name;
}
} // During parsing, map & aliases contain CST nodes
resolveNodes() {
const {
map,
_cstAliases
} = this;
Object.keys(map).forEach(a => {
map[a] = map[a].resolved;
});
_cstAliases.forEach(a => {
a.source = a.source.resolved;
});
delete this._cstAliases;
}
setAnchor(node, name) {
if (node != null && !Anchors.validAnchorNode(node)) {
throw new Error('Anchors may only be set for Scalar, Seq and Map nodes');
}
if (name && /[\x00-\x19\s,[\]{}]/.test(name)) {
throw new Error('Anchor names must not contain whitespace or control characters');
}
const {
map
} = this;
const prev = node && Object.keys(map).find(a => map[a] === node);
if (prev) {
if (!name) {
return prev;
} else if (prev !== name) {
delete map[prev];
map[name] = node;
}
} else {
if (!name) {
if (!node) return null;
name = this.newName();
}
map[name] = node;
}
return name;
}
}
const visit = (node, tags) => {
if (node && typeof node === 'object') {
const {
tag
} = node;
if (node instanceof resolveSeq.Collection) {
if (tag) tags[tag] = true;
node.items.forEach(n => visit(n, tags));
} else if (node instanceof resolveSeq.Pair) {
visit(node.key, tags);
visit(node.value, tags);
} else if (node instanceof resolveSeq.Scalar) {
if (tag) tags[tag] = true;
}
}
return tags;
};
const listTagNames = node => Object.keys(visit(node, {}));
function parseContents(doc, contents) {
const comments = {
before: [],
after: []
};
let body = undefined;
let spaceBefore = false;
for (const node of contents) {
if (node.valueRange) {
if (body !== undefined) {
const msg = 'Document contains trailing content not separated by a ... or --- line';
doc.errors.push(new PlainValue.YAMLSyntaxError(node, msg));
break;
}
const res = resolveSeq.resolveNode(doc, node);
if (spaceBefore) {
res.spaceBefore = true;
spaceBefore = false;
}
body = res;
} else if (node.comment !== null) {
const cc = body === undefined ? comments.before : comments.after;
cc.push(node.comment);
} else if (node.type === PlainValue.Type.BLANK_LINE) {
spaceBefore = true;
if (body === undefined && comments.before.length > 0 && !doc.commentBefore) {
// space-separated comments at start are parsed as document comments
doc.commentBefore = comments.before.join('\n');
comments.before = [];
}
}
}
doc.contents = body || null;
if (!body) {
doc.comment = comments.before.concat(comments.after).join('\n') || null;
} else {
const cb = comments.before.join('\n');
if (cb) {
const cbNode = body instanceof resolveSeq.Collection && body.items[0] ? body.items[0] : body;
cbNode.commentBefore = cbNode.commentBefore ? `${cb}\n${cbNode.commentBefore}` : cb;
}
doc.comment = comments.after.join('\n') || null;
}
}
function resolveTagDirective({
tagPrefixes
}, directive) {
const [handle, prefix] = directive.parameters;
if (!handle || !prefix) {
const msg = 'Insufficient parameters given for %TAG directive';
throw new PlainValue.YAMLSemanticError(directive, msg);
}
if (tagPrefixes.some(p => p.handle === handle)) {
const msg = 'The %TAG directive must only be given at most once per handle in the same document.';
throw new PlainValue.YAMLSemanticError(directive, msg);
}
return {
handle,
prefix
};
}
function resolveYamlDirective(doc, directive) {
let [version] = directive.parameters;
if (directive.name === 'YAML:1.0') version = '1.0';
if (!version) {
const msg = 'Insufficient parameters given for %YAML directive';
throw new PlainValue.YAMLSemanticError(directive, msg);
}
if (!documentOptions[version]) {
const v0 = doc.version || doc.options.version;
const msg = `Document will be parsed as YAML ${v0} rather than YAML ${version}`;
doc.warnings.push(new PlainValue.YAMLWarning(directive, msg));
}
return version;
}
function parseDirectives(doc, directives, prevDoc) {
const directiveComments = [];
let hasDirectives = false;
for (const directive of directives) {
const {
comment,
name
} = directive;
switch (name) {
case 'TAG':
try {
doc.tagPrefixes.push(resolveTagDirective(doc, directive));
} catch (error) {
doc.errors.push(error);
}
hasDirectives = true;
break;
case 'YAML':
case 'YAML:1.0':
if (doc.version) {
const msg = 'The %YAML directive must only be given at most once per document.';
doc.errors.push(new PlainValue.YAMLSemanticError(directive, msg));
}
try {
doc.version = resolveYamlDirective(doc, directive);
} catch (error) {
doc.errors.push(error);
}
hasDirectives = true;
break;
default:
if (name) {
const msg = `YAML only supports %TAG and %YAML directives, and not %${name}`;
doc.warnings.push(new PlainValue.YAMLWarning(directive, msg));
}
}
if (comment) directiveComments.push(comment);
}
if (prevDoc && !hasDirectives && '1.1' === (doc.version || prevDoc.version || doc.options.version)) {
const copyTagPrefix = ({
handle,
prefix
}) => ({
handle,
prefix
});
doc.tagPrefixes = prevDoc.tagPrefixes.map(copyTagPrefix);
doc.version = prevDoc.version;
}
doc.commentBefore = directiveComments.join('\n') || null;
}
function assertCollection(contents) {
if (contents instanceof resolveSeq.Collection) return true;
throw new Error('Expected a YAML collection as document contents');
}
class Document {
constructor(options) {
this.anchors = new Anchors(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 = [];
}
add(value) {
assertCollection(this.contents);
return this.contents.add(value);
}
addIn(path, value) {
assertCollection(this.contents);
this.contents.addIn(path, value);
}
delete(key) {
assertCollection(this.contents);
return this.contents.delete(key);
}
deleteIn(path) {
if (resolveSeq.isEmptyPath(path)) {
if (this.contents == null) return false;
this.contents = null;
return true;
}
assertCollection(this.contents);
return this.contents.deleteIn(path);
}
getDefaults() {
return Document.defaults[this.version] || Document.defaults[this.options.version] || {};
}
get(key, keepScalar) {
return this.contents instanceof resolveSeq.Collection ? this.contents.get(key, keepScalar) : undefined;
}
getIn(path, keepScalar) {
if (resolveSeq.isEmptyPath(path)) return !keepScalar && this.contents instanceof resolveSeq.Scalar ? this.contents.value : this.contents;
return this.contents instanceof resolveSeq.Collection ? this.contents.getIn(path, keepScalar) : undefined;
}
has(key) {
return this.contents instanceof resolveSeq.Collection ? this.contents.has(key) : false;
}
hasIn(path) {
if (resolveSeq.isEmptyPath(path)) return this.contents !== undefined;
return this.contents instanceof resolveSeq.Collection ? this.contents.hasIn(path) : false;
}
set(key, value) {
assertCollection(this.contents);
this.contents.set(key, value);
}
setIn(path, value) {
if (resolveSeq.isEmptyPath(path)) this.contents = value;else {
assertCollection(this.contents);
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.Schema(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);
}
parseDirectives(this, directives, prevDoc);
if (directivesEndMarker) this.directivesEndMarker = true;
this.range = valueRange ? [valueRange.start, valueRange.end] : null;
this.setSchema();
this.anchors._cstAliases = [];
parseContents(this, contents);
this.anchors.resolveNodes();
if (this.options.prettyErrors) {
for (const error of this.errors) if (error instanceof PlainValue.YAMLError) error.makePretty();
for (const warn of this.warnings) if (warn instanceof PlainValue.YAMLError) warn.makePretty();
}
return this;
}
listNonDefaultTags() {
return listTagNames(this.contents).filter(t => t.indexOf(Schema.Schema.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);
}
}
toJSON(arg, onAnchor) {
const {
keepBlobsInJSON,
mapAsMap,
maxAliasCount
} = this.options;
const keep = keepBlobsInJSON && (typeof arg !== 'string' || !(this.contents instanceof resolveSeq.Scalar));
const ctx = {
doc: this,
indentStep: ' ',
keep,
mapAsMap: keep && !!mapAsMap,
maxAliasCount,
stringify // Requiring directly in Pair would create circular dependencies
};
const anchorNames = Object.keys(this.anchors.map);
if (anchorNames.length > 0) ctx.anchors = new Map(anchorNames.map(name => [this.anchors.map[name], {
alias: [],
aliasCount: 0,
count: 1
}]));
const res = resolveSeq.toJSON(this.contents, arg, ctx);
if (typeof onAnchor === 'function' && ctx.anchors) for (const {
count,
res
} of ctx.anchors.values()) onAnchor(res, count);
return res;
}
toString() {
if (this.errors.length > 0) throw new Error('Document with errors cannot be stringified');
const indentSize = this.options.indent;
if (!Number.isInteger(indentSize) || indentSize <= 0) {
const s = JSON.stringify(indentSize);
throw new Error(`"indent" option must be a positive integer, not ${s}`);
}
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: Object.create(null),
doc: this,
indent: '',
indentStep: ' '.repeat(indentSize),
stringify // Requiring directly in nodes would create circular dependencies
};
let chompKeep = false;
let contentComment = null;
if (this.contents) {
if (this.contents instanceof resolveSeq.Node) {
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 = stringify(this.contents, ctx, () => contentComment = null, onChompKeep);
lines.push(resolveSeq.addComment(body, '', contentComment));
} else if (this.contents !== undefined) {
lines.push(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';
}
}
PlainValue._defineProperty(Document, "defaults", documentOptions);
exports.Document = Document;
exports.defaultOptions = defaultOptions;
exports.scalarOptions = scalarOptions;