e30ae8ed09
- App.tsx: full navigation (Auth stack + Main tabs with 5 screens) - Auth: LoginScreen, RegisterScreen, ForgotPasswordScreen - HomeScreen: dashboard with IoT metrics, weather widget, alerts, quick actions, sensors - MapScreen: interactive map with layer toggles (6 layers) - MarketplaceScreen: categories (6), products (5), search - ChatScreen: AI chat with quick prompts (4), bot responses - ProfileScreen: user info, stats, menu (9 items), logout - AlertsScreen: alert list with severity, acknowledge - SensorsScreen: sensor list with type filters (6 types), search - ZonesScreen: zone cards with stats - SettingsScreen: language picker (FR/EN/ES/DE), privacy, about - Stores: iotStore (sensors, zones, alerts), notificationStore, uiStore + i18n - Hooks: useSensors, useAlerts, useNotifications, useLocation - Components: Card, Button, LoadingSpinner, ErrorBoundary, Header - Services: iotService, notificationService (with axios API client) - Utils: formatters (temp, AQI, noise, dates), validators (email, password, IBAN) - Theme: colors.ts with full design system (Blue Ocean palette) - Ditto: fixed MongoDB connection, new JWT secrets, official gateway image
1795 lines
50 KiB
JavaScript
1795 lines
50 KiB
JavaScript
'use strict'
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const common = require('./common')
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const YAMLException = require('./exception')
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const makeSnippet = require('./snippet')
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const DEFAULT_SCHEMA = require('./schema/default')
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const _hasOwnProperty = Object.prototype.hasOwnProperty
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const CONTEXT_FLOW_IN = 1
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const CONTEXT_FLOW_OUT = 2
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const CONTEXT_BLOCK_IN = 3
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const CONTEXT_BLOCK_OUT = 4
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const CHOMPING_CLIP = 1
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const CHOMPING_STRIP = 2
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const CHOMPING_KEEP = 3
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// eslint-disable-next-line no-control-regex
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const PATTERN_NON_PRINTABLE = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/
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const PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/
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// eslint-disable-next-line no-useless-escape
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const PATTERN_FLOW_INDICATORS = /[,\[\]{}]/
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// eslint-disable-next-line no-useless-escape
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const PATTERN_TAG_HANDLE = /^(?:!|!!|![0-9A-Za-z-]+!)$/
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// eslint-disable-next-line no-useless-escape
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const PATTERN_TAG_URI = /^(?:!|[^,\[\]{}])(?:%[0-9a-f]{2}|[0-9a-z\-#;/?:@&=+$,_.!~*'()\[\]])*$/i
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function _class (obj) { return Object.prototype.toString.call(obj) }
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function isEol (c) {
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return (c === 0x0A/* LF */) || (c === 0x0D/* CR */)
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}
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function isWhiteSpace (c) {
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return (c === 0x09/* Tab */) || (c === 0x20/* Space */)
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}
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function isWsOrEol (c) {
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return (c === 0x09/* Tab */) ||
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(c === 0x20/* Space */) ||
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(c === 0x0A/* LF */) ||
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(c === 0x0D/* CR */)
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}
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function isFlowIndicator (c) {
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return c === 0x2C/* , */ ||
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c === 0x5B/* [ */ ||
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c === 0x5D/* ] */ ||
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c === 0x7B/* { */ ||
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c === 0x7D/* } */
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}
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function fromHexCode (c) {
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if ((c >= 0x30/* 0 */) && (c <= 0x39/* 9 */)) {
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return c - 0x30
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}
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const lc = c | 0x20
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if ((lc >= 0x61/* a */) && (lc <= 0x66/* f */)) {
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return lc - 0x61 + 10
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}
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return -1
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}
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function escapedHexLen (c) {
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if (c === 0x78/* x */) { return 2 }
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if (c === 0x75/* u */) { return 4 }
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if (c === 0x55/* U */) { return 8 }
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return 0
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}
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function fromDecimalCode (c) {
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if ((c >= 0x30/* 0 */) && (c <= 0x39/* 9 */)) {
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return c - 0x30
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}
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return -1
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}
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function simpleEscapeSequence (c) {
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switch (c) {
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case 0x30/* 0 */: return '\x00'
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case 0x61/* a */: return '\x07'
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case 0x62/* b */: return '\x08'
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case 0x74/* t */: return '\x09'
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case 0x09/* Tab */: return '\x09'
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case 0x6E/* n */: return '\x0A'
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case 0x76/* v */: return '\x0B'
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case 0x66/* f */: return '\x0C'
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case 0x72/* r */: return '\x0D'
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case 0x65/* e */: return '\x1B'
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case 0x20/* Space */: return ' '
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case 0x22/* " */: return '\x22'
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case 0x2F/* / */: return '/'
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case 0x5C/* \ */: return '\x5C'
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case 0x4E/* N */: return '\x85'
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case 0x5F/* _ */: return '\xA0'
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case 0x4C/* L */: return '\u2028'
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case 0x50/* P */: return '\u2029'
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default: return ''
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}
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}
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function charFromCodepoint (c) {
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if (c <= 0xFFFF) {
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return String.fromCharCode(c)
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}
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// Encode UTF-16 surrogate pair
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// https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF
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return String.fromCharCode(
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((c - 0x010000) >> 10) + 0xD800,
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((c - 0x010000) & 0x03FF) + 0xDC00
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)
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}
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// set a property of a literal object, while protecting against prototype pollution,
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// see https://github.com/nodeca/js-yaml/issues/164 for more details
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function setProperty (object, key, value) {
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// used for this specific key only because Object.defineProperty is slow
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if (key === '__proto__') {
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Object.defineProperty(object, key, {
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configurable: true,
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enumerable: true,
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writable: true,
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value: value
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})
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} else {
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object[key] = value
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}
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}
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const simpleEscapeCheck = new Array(256) // integer, for fast access
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const simpleEscapeMap = new Array(256)
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for (let i = 0; i < 256; i++) {
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simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0
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simpleEscapeMap[i] = simpleEscapeSequence(i)
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}
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function State (input, options) {
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this.input = input
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this.filename = options['filename'] || null
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this.schema = options['schema'] || DEFAULT_SCHEMA
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this.onWarning = options['onWarning'] || null
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// (Hidden) Remove? makes the loader to expect YAML 1.1 documents
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// if such documents have no explicit %YAML directive
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this.legacy = options['legacy'] || false
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this.json = options['json'] || false
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this.listener = options['listener'] || null
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this.maxDepth = typeof options['maxDepth'] === 'number' ? options['maxDepth'] : 100
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this.maxMergeSeqLength = typeof options['maxMergeSeqLength'] === 'number' ? options['maxMergeSeqLength'] : 20
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this.implicitTypes = this.schema.compiledImplicit
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this.typeMap = this.schema.compiledTypeMap
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this.length = input.length
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this.position = 0
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this.line = 0
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this.lineStart = 0
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this.lineIndent = 0
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this.depth = 0
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// position of first leading tab in the current line,
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// used to make sure there are no tabs in the indentation
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this.firstTabInLine = -1
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this.documents = []
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this.anchorMapTransactions = []
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/*
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this.version;
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this.checkLineBreaks;
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this.tagMap;
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this.anchorMap;
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this.tag;
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this.anchor;
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this.kind;
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this.result; */
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}
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function generateError (state, message) {
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const mark = {
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name: state.filename,
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buffer: state.input.slice(0, -1), // omit trailing \0
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position: state.position,
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line: state.line,
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column: state.position - state.lineStart
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}
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mark.snippet = makeSnippet(mark)
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return new YAMLException(message, mark)
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}
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function throwError (state, message) {
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throw generateError(state, message)
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}
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function throwWarning (state, message) {
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if (state.onWarning) {
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state.onWarning.call(null, generateError(state, message))
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}
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}
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function storeAnchor (state, name, value) {
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const transactions = state.anchorMapTransactions
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if (transactions.length !== 0) {
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const transaction = transactions[transactions.length - 1]
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if (!_hasOwnProperty.call(transaction, name)) {
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transaction[name] = {
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existed: _hasOwnProperty.call(state.anchorMap, name),
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value: state.anchorMap[name]
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}
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}
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}
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state.anchorMap[name] = value
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}
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function beginAnchorTransaction (state) {
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state.anchorMapTransactions.push(Object.create(null))
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}
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function commitAnchorTransaction (state) {
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const transaction = state.anchorMapTransactions.pop()
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const transactions = state.anchorMapTransactions
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if (transactions.length === 0) return
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const parent = transactions[transactions.length - 1]
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const names = Object.keys(transaction)
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for (let index = 0, length = names.length; index < length; index += 1) {
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const name = names[index]
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if (!_hasOwnProperty.call(parent, name)) {
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parent[name] = transaction[name]
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}
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}
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}
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function rollbackAnchorTransaction (state) {
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const transaction = state.anchorMapTransactions.pop()
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const names = Object.keys(transaction)
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for (let index = names.length - 1; index >= 0; index -= 1) {
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const entry = transaction[names[index]]
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if (entry.existed) {
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state.anchorMap[names[index]] = entry.value
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} else {
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delete state.anchorMap[names[index]]
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}
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}
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}
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function snapshotState (state) {
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return {
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position: state.position,
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line: state.line,
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lineStart: state.lineStart,
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lineIndent: state.lineIndent,
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firstTabInLine: state.firstTabInLine,
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tag: state.tag,
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anchor: state.anchor,
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kind: state.kind,
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result: state.result
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}
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}
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function restoreState (state, snapshot) {
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state.position = snapshot.position
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state.line = snapshot.line
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state.lineStart = snapshot.lineStart
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state.lineIndent = snapshot.lineIndent
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state.firstTabInLine = snapshot.firstTabInLine
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state.tag = snapshot.tag
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state.anchor = snapshot.anchor
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state.kind = snapshot.kind
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state.result = snapshot.result
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}
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const directiveHandlers = {
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YAML: function handleYamlDirective (state, name, args) {
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if (state.version !== null) {
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throwError(state, 'duplication of %YAML directive')
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}
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if (args.length !== 1) {
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throwError(state, 'YAML directive accepts exactly one argument')
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}
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const match = /^([0-9]+)\.([0-9]+)$/.exec(args[0])
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if (match === null) {
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throwError(state, 'ill-formed argument of the YAML directive')
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}
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const major = parseInt(match[1], 10)
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const minor = parseInt(match[2], 10)
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if (major !== 1) {
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throwError(state, 'unacceptable YAML version of the document')
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}
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state.version = args[0]
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state.checkLineBreaks = (minor < 2)
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if (minor !== 1 && minor !== 2) {
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throwWarning(state, 'unsupported YAML version of the document')
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}
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},
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TAG: function handleTagDirective (state, name, args) {
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let prefix
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if (args.length !== 2) {
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throwError(state, 'TAG directive accepts exactly two arguments')
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}
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const handle = args[0]
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prefix = args[1]
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if (!PATTERN_TAG_HANDLE.test(handle)) {
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throwError(state, 'ill-formed tag handle (first argument) of the TAG directive')
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}
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if (_hasOwnProperty.call(state.tagMap, handle)) {
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throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle')
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}
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if (!PATTERN_TAG_URI.test(prefix)) {
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throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive')
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}
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try {
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prefix = decodeURIComponent(prefix)
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} catch (err) {
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throwError(state, 'tag prefix is malformed: ' + prefix)
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}
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state.tagMap[handle] = prefix
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}
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}
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function captureSegment (state, start, end, checkJson) {
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if (start < end) {
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const _result = state.input.slice(start, end)
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if (checkJson) {
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for (let _position = 0, _length = _result.length; _position < _length; _position += 1) {
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const _character = _result.charCodeAt(_position)
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if (!(_character === 0x09 ||
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(_character >= 0x20 && _character <= 0x10FFFF))) {
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throwError(state, 'expected valid JSON character')
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}
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}
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} else if (PATTERN_NON_PRINTABLE.test(_result)) {
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throwError(state, 'the stream contains non-printable characters')
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}
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state.result += _result
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}
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}
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function mergeMappings (state, destination, source, overridableKeys) {
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if (!common.isObject(source)) {
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throwError(state, 'cannot merge mappings; the provided source object is unacceptable')
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}
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const sourceKeys = Object.keys(source)
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for (let index = 0, quantity = sourceKeys.length; index < quantity; index += 1) {
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const key = sourceKeys[index]
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if (!_hasOwnProperty.call(destination, key)) {
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setProperty(destination, key, source[key])
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overridableKeys[key] = true
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}
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}
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}
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function storeMappingPair (state, _result, overridableKeys, keyTag, keyNode, valueNode,
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startLine, startLineStart, startPos) {
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// The output is a plain object here, so keys can only be strings.
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// We need to convert keyNode to a string, but doing so can hang the process
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// (deeply nested arrays that explode exponentially using aliases).
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if (Array.isArray(keyNode)) {
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keyNode = Array.prototype.slice.call(keyNode)
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for (let index = 0, quantity = keyNode.length; index < quantity; index += 1) {
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if (Array.isArray(keyNode[index])) {
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throwError(state, 'nested arrays are not supported inside keys')
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}
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if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') {
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keyNode[index] = '[object Object]'
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}
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}
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}
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// Avoid code execution in load() via toString property
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// (still use its own toString for arrays, timestamps,
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// and whatever user schema extensions happen to have @@toStringTag)
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if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') {
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keyNode = '[object Object]'
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}
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keyNode = String(keyNode)
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if (_result === null) {
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_result = {}
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}
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if (keyTag === 'tag:yaml.org,2002:merge') {
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if (Array.isArray(valueNode)) {
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if (valueNode.length > state.maxMergeSeqLength) {
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throwError(state, 'merge sequence length exceeded maxMergeSeqLength (' + state.maxMergeSeqLength + ')')
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}
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const seen = new Set()
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for (let index = 0, quantity = valueNode.length; index < quantity; index += 1) {
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const src = valueNode[index]
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// Existing keys are not overridden on merge, so dedupe sources to
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// avoid redundant work on repeated aliases.
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if (seen.has(src)) continue
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seen.add(src)
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mergeMappings(state, _result, src, overridableKeys)
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}
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} else {
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mergeMappings(state, _result, valueNode, overridableKeys)
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}
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} else {
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if (!state.json &&
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!_hasOwnProperty.call(overridableKeys, keyNode) &&
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_hasOwnProperty.call(_result, keyNode)) {
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state.line = startLine || state.line
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state.lineStart = startLineStart || state.lineStart
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state.position = startPos || state.position
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throwError(state, 'duplicated mapping key')
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}
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setProperty(_result, keyNode, valueNode)
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delete overridableKeys[keyNode]
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}
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return _result
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}
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|
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function readLineBreak (state) {
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const ch = state.input.charCodeAt(state.position)
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|
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if (ch === 0x0A/* LF */) {
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state.position++
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} else if (ch === 0x0D/* CR */) {
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state.position++
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if (state.input.charCodeAt(state.position) === 0x0A/* LF */) {
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state.position++
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}
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} else {
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throwError(state, 'a line break is expected')
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}
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state.line += 1
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state.lineStart = state.position
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state.firstTabInLine = -1
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}
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|
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function skipSeparationSpace (state, allowComments, checkIndent) {
|
|
let lineBreaks = 0
|
|
let ch = state.input.charCodeAt(state.position)
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|
|
|
while (ch !== 0) {
|
|
while (isWhiteSpace(ch)) {
|
|
if (ch === 0x09/* Tab */ && state.firstTabInLine === -1) {
|
|
state.firstTabInLine = state.position
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|
}
|
|
ch = state.input.charCodeAt(++state.position)
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}
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|
|
if (allowComments && ch === 0x23/* # */) {
|
|
do {
|
|
ch = state.input.charCodeAt(++state.position)
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} while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0)
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}
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|
|
|
if (isEol(ch)) {
|
|
readLineBreak(state)
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ch = state.input.charCodeAt(state.position)
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lineBreaks++
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state.lineIndent = 0
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|
|
while (ch === 0x20/* Space */) {
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state.lineIndent++
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ch = state.input.charCodeAt(++state.position)
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}
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} else {
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break
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}
|
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}
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|
|
if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) {
|
|
throwWarning(state, 'deficient indentation')
|
|
}
|
|
|
|
return lineBreaks
|
|
}
|
|
|
|
function testDocumentSeparator (state) {
|
|
let _position = state.position
|
|
let ch = state.input.charCodeAt(_position)
|
|
|
|
// Condition state.position === state.lineStart is tested
|
|
// in parent on each call, for efficiency. No needs to test here again.
|
|
if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) &&
|
|
ch === state.input.charCodeAt(_position + 1) &&
|
|
ch === state.input.charCodeAt(_position + 2)) {
|
|
_position += 3
|
|
|
|
ch = state.input.charCodeAt(_position)
|
|
|
|
if (ch === 0 || isWsOrEol(ch)) {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
function writeFoldedLines (state, count) {
|
|
if (count === 1) {
|
|
state.result += ' '
|
|
} else if (count > 1) {
|
|
state.result += common.repeat('\n', count - 1)
|
|
}
|
|
}
|
|
|
|
function readPlainScalar (state, nodeIndent, withinFlowCollection) {
|
|
let captureStart
|
|
let captureEnd
|
|
let hasPendingContent
|
|
let _line
|
|
let _lineStart
|
|
let _lineIndent
|
|
const _kind = state.kind
|
|
const _result = state.result
|
|
|
|
let ch = state.input.charCodeAt(state.position)
|
|
|
|
if (isWsOrEol(ch) ||
|
|
isFlowIndicator(ch) ||
|
|
ch === 0x23/* # */ ||
|
|
ch === 0x26/* & */ ||
|
|
ch === 0x2A/* * */ ||
|
|
ch === 0x21/* ! */ ||
|
|
ch === 0x7C/* | */ ||
|
|
ch === 0x3E/* > */ ||
|
|
ch === 0x27/* ' */ ||
|
|
ch === 0x22/* " */ ||
|
|
ch === 0x25/* % */ ||
|
|
ch === 0x40/* @ */ ||
|
|
ch === 0x60/* ` */) {
|
|
return false
|
|
}
|
|
|
|
if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) {
|
|
const following = state.input.charCodeAt(state.position + 1)
|
|
|
|
if (isWsOrEol(following) ||
|
|
(withinFlowCollection && isFlowIndicator(following))) {
|
|
return false
|
|
}
|
|
}
|
|
|
|
state.kind = 'scalar'
|
|
state.result = ''
|
|
captureStart = captureEnd = state.position
|
|
hasPendingContent = false
|
|
|
|
while (ch !== 0) {
|
|
if (ch === 0x3A/* : */) {
|
|
const following = state.input.charCodeAt(state.position + 1)
|
|
|
|
if (isWsOrEol(following) ||
|
|
(withinFlowCollection && isFlowIndicator(following))) {
|
|
break
|
|
}
|
|
} else if (ch === 0x23/* # */) {
|
|
const preceding = state.input.charCodeAt(state.position - 1)
|
|
|
|
if (isWsOrEol(preceding)) {
|
|
break
|
|
}
|
|
} else if ((state.position === state.lineStart && testDocumentSeparator(state)) ||
|
|
(withinFlowCollection && isFlowIndicator(ch))) {
|
|
break
|
|
} else if (isEol(ch)) {
|
|
_line = state.line
|
|
_lineStart = state.lineStart
|
|
_lineIndent = state.lineIndent
|
|
skipSeparationSpace(state, false, -1)
|
|
|
|
if (state.lineIndent >= nodeIndent) {
|
|
hasPendingContent = true
|
|
ch = state.input.charCodeAt(state.position)
|
|
continue
|
|
} else {
|
|
state.position = captureEnd
|
|
state.line = _line
|
|
state.lineStart = _lineStart
|
|
state.lineIndent = _lineIndent
|
|
break
|
|
}
|
|
}
|
|
|
|
if (hasPendingContent) {
|
|
captureSegment(state, captureStart, captureEnd, false)
|
|
writeFoldedLines(state, state.line - _line)
|
|
captureStart = captureEnd = state.position
|
|
hasPendingContent = false
|
|
}
|
|
|
|
if (!isWhiteSpace(ch)) {
|
|
captureEnd = state.position + 1
|
|
}
|
|
|
|
ch = state.input.charCodeAt(++state.position)
|
|
}
|
|
|
|
captureSegment(state, captureStart, captureEnd, false)
|
|
|
|
if (state.result) {
|
|
return true
|
|
}
|
|
|
|
state.kind = _kind
|
|
state.result = _result
|
|
return false
|
|
}
|
|
|
|
function readSingleQuotedScalar (state, nodeIndent) {
|
|
let captureStart
|
|
let captureEnd
|
|
|
|
let ch = state.input.charCodeAt(state.position)
|
|
|
|
if (ch !== 0x27/* ' */) {
|
|
return false
|
|
}
|
|
|
|
state.kind = 'scalar'
|
|
state.result = ''
|
|
state.position++
|
|
captureStart = captureEnd = state.position
|
|
|
|
while ((ch = state.input.charCodeAt(state.position)) !== 0) {
|
|
if (ch === 0x27/* ' */) {
|
|
captureSegment(state, captureStart, state.position, true)
|
|
ch = state.input.charCodeAt(++state.position)
|
|
|
|
if (ch === 0x27/* ' */) {
|
|
captureStart = state.position
|
|
state.position++
|
|
captureEnd = state.position
|
|
} else {
|
|
return true
|
|
}
|
|
} else if (isEol(ch)) {
|
|
captureSegment(state, captureStart, captureEnd, true)
|
|
writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent))
|
|
captureStart = captureEnd = state.position
|
|
} else if (state.position === state.lineStart && testDocumentSeparator(state)) {
|
|
throwError(state, 'unexpected end of the document within a single quoted scalar')
|
|
} else {
|
|
state.position++
|
|
if (!isWhiteSpace(ch)) {
|
|
captureEnd = state.position
|
|
}
|
|
}
|
|
}
|
|
|
|
throwError(state, 'unexpected end of the stream within a single quoted scalar')
|
|
}
|
|
|
|
function readDoubleQuotedScalar (state, nodeIndent) {
|
|
let captureStart
|
|
let captureEnd
|
|
let tmp
|
|
|
|
let ch = state.input.charCodeAt(state.position)
|
|
|
|
if (ch !== 0x22/* " */) {
|
|
return false
|
|
}
|
|
|
|
state.kind = 'scalar'
|
|
state.result = ''
|
|
state.position++
|
|
captureStart = captureEnd = state.position
|
|
|
|
while ((ch = state.input.charCodeAt(state.position)) !== 0) {
|
|
if (ch === 0x22/* " */) {
|
|
captureSegment(state, captureStart, state.position, true)
|
|
state.position++
|
|
return true
|
|
} else if (ch === 0x5C/* \ */) {
|
|
captureSegment(state, captureStart, state.position, true)
|
|
ch = state.input.charCodeAt(++state.position)
|
|
|
|
if (isEol(ch)) {
|
|
skipSeparationSpace(state, false, nodeIndent)
|
|
|
|
// TODO: rework to inline fn with no type cast?
|
|
} else if (ch < 256 && simpleEscapeCheck[ch]) {
|
|
state.result += simpleEscapeMap[ch]
|
|
state.position++
|
|
} else if ((tmp = escapedHexLen(ch)) > 0) {
|
|
let hexLength = tmp
|
|
let hexResult = 0
|
|
|
|
for (; hexLength > 0; hexLength--) {
|
|
ch = state.input.charCodeAt(++state.position)
|
|
|
|
if ((tmp = fromHexCode(ch)) >= 0) {
|
|
hexResult = (hexResult << 4) + tmp
|
|
} else {
|
|
throwError(state, 'expected hexadecimal character')
|
|
}
|
|
}
|
|
|
|
state.result += charFromCodepoint(hexResult)
|
|
|
|
state.position++
|
|
} else {
|
|
throwError(state, 'unknown escape sequence')
|
|
}
|
|
|
|
captureStart = captureEnd = state.position
|
|
} else if (isEol(ch)) {
|
|
captureSegment(state, captureStart, captureEnd, true)
|
|
writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent))
|
|
captureStart = captureEnd = state.position
|
|
} else if (state.position === state.lineStart && testDocumentSeparator(state)) {
|
|
throwError(state, 'unexpected end of the document within a double quoted scalar')
|
|
} else {
|
|
state.position++
|
|
if (!isWhiteSpace(ch)) {
|
|
captureEnd = state.position
|
|
}
|
|
}
|
|
}
|
|
|
|
throwError(state, 'unexpected end of the stream within a double quoted scalar')
|
|
}
|
|
|
|
function readFlowCollection (state, nodeIndent) {
|
|
let readNext = true
|
|
let _line
|
|
let _lineStart
|
|
let _pos
|
|
const _tag = state.tag
|
|
let _result
|
|
const _anchor = state.anchor
|
|
let terminator
|
|
let isPair
|
|
let isExplicitPair
|
|
let isMapping
|
|
const overridableKeys = Object.create(null)
|
|
let keyNode
|
|
let keyTag
|
|
let valueNode
|
|
|
|
let ch = state.input.charCodeAt(state.position)
|
|
|
|
if (ch === 0x5B/* [ */) {
|
|
terminator = 0x5D/* ] */
|
|
isMapping = false
|
|
_result = []
|
|
} else if (ch === 0x7B/* { */) {
|
|
terminator = 0x7D/* } */
|
|
isMapping = true
|
|
_result = {}
|
|
} else {
|
|
return false
|
|
}
|
|
|
|
if (state.anchor !== null) {
|
|
storeAnchor(state, state.anchor, _result)
|
|
}
|
|
|
|
ch = state.input.charCodeAt(++state.position)
|
|
|
|
while (ch !== 0) {
|
|
skipSeparationSpace(state, true, nodeIndent)
|
|
|
|
ch = state.input.charCodeAt(state.position)
|
|
|
|
if (ch === terminator) {
|
|
state.position++
|
|
state.tag = _tag
|
|
state.anchor = _anchor
|
|
state.kind = isMapping ? 'mapping' : 'sequence'
|
|
state.result = _result
|
|
return true
|
|
} else if (!readNext) {
|
|
throwError(state, 'missed comma between flow collection entries')
|
|
} else if (ch === 0x2C/* , */) {
|
|
// "flow collection entries can never be completely empty", as per YAML 1.2, section 7.4
|
|
throwError(state, "expected the node content, but found ','")
|
|
}
|
|
|
|
keyTag = keyNode = valueNode = null
|
|
isPair = isExplicitPair = false
|
|
|
|
if (ch === 0x3F/* ? */) {
|
|
const following = state.input.charCodeAt(state.position + 1)
|
|
|
|
if (isWsOrEol(following)) {
|
|
isPair = isExplicitPair = true
|
|
state.position++
|
|
skipSeparationSpace(state, true, nodeIndent)
|
|
}
|
|
}
|
|
|
|
_line = state.line // Save the current line.
|
|
_lineStart = state.lineStart
|
|
_pos = state.position
|
|
composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true)
|
|
keyTag = state.tag
|
|
keyNode = state.result
|
|
skipSeparationSpace(state, true, nodeIndent)
|
|
|
|
ch = state.input.charCodeAt(state.position)
|
|
|
|
if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) {
|
|
isPair = true
|
|
ch = state.input.charCodeAt(++state.position)
|
|
skipSeparationSpace(state, true, nodeIndent)
|
|
composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true)
|
|
valueNode = state.result
|
|
}
|
|
|
|
if (isMapping) {
|
|
storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos)
|
|
} else if (isPair) {
|
|
_result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos))
|
|
} else {
|
|
_result.push(keyNode)
|
|
}
|
|
|
|
skipSeparationSpace(state, true, nodeIndent)
|
|
|
|
ch = state.input.charCodeAt(state.position)
|
|
|
|
if (ch === 0x2C/* , */) {
|
|
readNext = true
|
|
ch = state.input.charCodeAt(++state.position)
|
|
} else {
|
|
readNext = false
|
|
}
|
|
}
|
|
|
|
throwError(state, 'unexpected end of the stream within a flow collection')
|
|
}
|
|
|
|
function readBlockScalar (state, nodeIndent) {
|
|
let folding
|
|
let chomping = CHOMPING_CLIP
|
|
let didReadContent = false
|
|
let detectedIndent = false
|
|
let textIndent = nodeIndent
|
|
let emptyLines = 0
|
|
let atMoreIndented = false
|
|
let tmp
|
|
|
|
let ch = state.input.charCodeAt(state.position)
|
|
|
|
if (ch === 0x7C/* | */) {
|
|
folding = false
|
|
} else if (ch === 0x3E/* > */) {
|
|
folding = true
|
|
} else {
|
|
return false
|
|
}
|
|
|
|
state.kind = 'scalar'
|
|
state.result = ''
|
|
|
|
while (ch !== 0) {
|
|
ch = state.input.charCodeAt(++state.position)
|
|
|
|
if (ch === 0x2B/* + */ || ch === 0x2D/* - */) {
|
|
if (CHOMPING_CLIP === chomping) {
|
|
chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP
|
|
} else {
|
|
throwError(state, 'repeat of a chomping mode identifier')
|
|
}
|
|
} else if ((tmp = fromDecimalCode(ch)) >= 0) {
|
|
if (tmp === 0) {
|
|
throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one')
|
|
} else if (!detectedIndent) {
|
|
textIndent = nodeIndent + tmp - 1
|
|
detectedIndent = true
|
|
} else {
|
|
throwError(state, 'repeat of an indentation width identifier')
|
|
}
|
|
} else {
|
|
break
|
|
}
|
|
}
|
|
|
|
if (isWhiteSpace(ch)) {
|
|
do { ch = state.input.charCodeAt(++state.position) }
|
|
while (isWhiteSpace(ch))
|
|
|
|
if (ch === 0x23/* # */) {
|
|
do { ch = state.input.charCodeAt(++state.position) }
|
|
while (!isEol(ch) && (ch !== 0))
|
|
}
|
|
}
|
|
|
|
while (ch !== 0) {
|
|
readLineBreak(state)
|
|
state.lineIndent = 0
|
|
|
|
ch = state.input.charCodeAt(state.position)
|
|
|
|
// eslint-disable-next-line no-unmodified-loop-condition
|
|
while ((!detectedIndent || state.lineIndent < textIndent) &&
|
|
(ch === 0x20/* Space */)) {
|
|
state.lineIndent++
|
|
ch = state.input.charCodeAt(++state.position)
|
|
}
|
|
|
|
if (!detectedIndent && state.lineIndent > textIndent) {
|
|
textIndent = state.lineIndent
|
|
}
|
|
|
|
if (isEol(ch)) {
|
|
emptyLines++
|
|
continue
|
|
}
|
|
|
|
if (!detectedIndent && textIndent === 0) {
|
|
throwError(state, 'missing indentation for block scalar')
|
|
}
|
|
|
|
// End of the scalar.
|
|
if (state.lineIndent < textIndent) {
|
|
// Perform the chomping.
|
|
if (chomping === CHOMPING_KEEP) {
|
|
state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines)
|
|
} else if (chomping === CHOMPING_CLIP) {
|
|
if (didReadContent) { // i.e. only if the scalar is not empty.
|
|
state.result += '\n'
|
|
}
|
|
}
|
|
|
|
// Break this `while` cycle and go to the funciton's epilogue.
|
|
break
|
|
}
|
|
|
|
// Folded style: use fancy rules to handle line breaks.
|
|
if (folding) {
|
|
// Lines starting with white space characters (more-indented lines) are not folded.
|
|
if (isWhiteSpace(ch)) {
|
|
atMoreIndented = true
|
|
// except for the first content line (cf. Example 8.1)
|
|
state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines)
|
|
|
|
// End of more-indented block.
|
|
} else if (atMoreIndented) {
|
|
atMoreIndented = false
|
|
state.result += common.repeat('\n', emptyLines + 1)
|
|
|
|
// Just one line break - perceive as the same line.
|
|
} else if (emptyLines === 0) {
|
|
if (didReadContent) { // i.e. only if we have already read some scalar content.
|
|
state.result += ' '
|
|
}
|
|
|
|
// Several line breaks - perceive as different lines.
|
|
} else {
|
|
state.result += common.repeat('\n', emptyLines)
|
|
}
|
|
|
|
// Literal style: just add exact number of line breaks between content lines.
|
|
} else {
|
|
// Keep all line breaks except the header line break.
|
|
state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines)
|
|
}
|
|
|
|
didReadContent = true
|
|
detectedIndent = true
|
|
emptyLines = 0
|
|
const captureStart = state.position
|
|
|
|
while (!isEol(ch) && (ch !== 0)) {
|
|
ch = state.input.charCodeAt(++state.position)
|
|
}
|
|
|
|
captureSegment(state, captureStart, state.position, false)
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
function readBlockSequence (state, nodeIndent) {
|
|
const _tag = state.tag
|
|
const _anchor = state.anchor
|
|
const _result = []
|
|
let detected = false
|
|
|
|
// there is a leading tab before this token, so it can't be a block sequence/mapping;
|
|
// it can still be flow sequence/mapping or a scalar
|
|
if (state.firstTabInLine !== -1) return false
|
|
|
|
if (state.anchor !== null) {
|
|
storeAnchor(state, state.anchor, _result)
|
|
}
|
|
|
|
let ch = state.input.charCodeAt(state.position)
|
|
|
|
while (ch !== 0) {
|
|
if (state.firstTabInLine !== -1) {
|
|
state.position = state.firstTabInLine
|
|
throwError(state, 'tab characters must not be used in indentation')
|
|
}
|
|
|
|
if (ch !== 0x2D/* - */) {
|
|
break
|
|
}
|
|
|
|
const following = state.input.charCodeAt(state.position + 1)
|
|
|
|
if (!isWsOrEol(following)) {
|
|
break
|
|
}
|
|
|
|
detected = true
|
|
state.position++
|
|
|
|
if (skipSeparationSpace(state, true, -1)) {
|
|
if (state.lineIndent <= nodeIndent) {
|
|
_result.push(null)
|
|
ch = state.input.charCodeAt(state.position)
|
|
continue
|
|
}
|
|
}
|
|
|
|
const _line = state.line
|
|
composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true)
|
|
_result.push(state.result)
|
|
skipSeparationSpace(state, true, -1)
|
|
|
|
ch = state.input.charCodeAt(state.position)
|
|
|
|
if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {
|
|
throwError(state, 'bad indentation of a sequence entry')
|
|
} else if (state.lineIndent < nodeIndent) {
|
|
break
|
|
}
|
|
}
|
|
|
|
if (detected) {
|
|
state.tag = _tag
|
|
state.anchor = _anchor
|
|
state.kind = 'sequence'
|
|
state.result = _result
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
function readBlockMapping (state, nodeIndent, flowIndent) {
|
|
let allowCompact
|
|
let _keyLine
|
|
let _keyLineStart
|
|
let _keyPos
|
|
const _tag = state.tag
|
|
const _anchor = state.anchor
|
|
const _result = {}
|
|
const overridableKeys = Object.create(null)
|
|
let keyTag = null
|
|
let keyNode = null
|
|
let valueNode = null
|
|
let atExplicitKey = false
|
|
let detected = false
|
|
|
|
// there is a leading tab before this token, so it can't be a block sequence/mapping;
|
|
// it can still be flow sequence/mapping or a scalar
|
|
if (state.firstTabInLine !== -1) return false
|
|
|
|
if (state.anchor !== null) {
|
|
storeAnchor(state, state.anchor, _result)
|
|
}
|
|
|
|
let ch = state.input.charCodeAt(state.position)
|
|
|
|
while (ch !== 0) {
|
|
if (!atExplicitKey && state.firstTabInLine !== -1) {
|
|
state.position = state.firstTabInLine
|
|
throwError(state, 'tab characters must not be used in indentation')
|
|
}
|
|
|
|
const following = state.input.charCodeAt(state.position + 1)
|
|
const _line = state.line // Save the current line.
|
|
|
|
//
|
|
// Explicit notation case. There are two separate blocks:
|
|
// first for the key (denoted by "?") and second for the value (denoted by ":")
|
|
//
|
|
if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && isWsOrEol(following)) {
|
|
if (ch === 0x3F/* ? */) {
|
|
if (atExplicitKey) {
|
|
storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos)
|
|
keyTag = keyNode = valueNode = null
|
|
}
|
|
|
|
detected = true
|
|
atExplicitKey = true
|
|
allowCompact = true
|
|
} else if (atExplicitKey) {
|
|
// i.e. 0x3A/* : */ === character after the explicit key.
|
|
atExplicitKey = false
|
|
allowCompact = true
|
|
} else {
|
|
throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line')
|
|
}
|
|
|
|
state.position += 1
|
|
ch = following
|
|
|
|
//
|
|
// Implicit notation case. Flow-style node as the key first, then ":", and the value.
|
|
//
|
|
} else {
|
|
_keyLine = state.line
|
|
_keyLineStart = state.lineStart
|
|
_keyPos = state.position
|
|
|
|
if (!composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) {
|
|
// Neither implicit nor explicit notation.
|
|
// Reading is done. Go to the epilogue.
|
|
break
|
|
}
|
|
|
|
if (state.line === _line) {
|
|
ch = state.input.charCodeAt(state.position)
|
|
|
|
while (isWhiteSpace(ch)) {
|
|
ch = state.input.charCodeAt(++state.position)
|
|
}
|
|
|
|
if (ch === 0x3A/* : */) {
|
|
ch = state.input.charCodeAt(++state.position)
|
|
|
|
if (!isWsOrEol(ch)) {
|
|
throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping')
|
|
}
|
|
|
|
if (atExplicitKey) {
|
|
storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos)
|
|
keyTag = keyNode = valueNode = null
|
|
}
|
|
|
|
detected = true
|
|
atExplicitKey = false
|
|
allowCompact = false
|
|
keyTag = state.tag
|
|
keyNode = state.result
|
|
} else if (detected) {
|
|
throwError(state, 'can not read an implicit mapping pair; a colon is missed')
|
|
} else {
|
|
state.tag = _tag
|
|
state.anchor = _anchor
|
|
return true // Keep the result of `composeNode`.
|
|
}
|
|
} else if (detected) {
|
|
throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key')
|
|
} else {
|
|
state.tag = _tag
|
|
state.anchor = _anchor
|
|
return true // Keep the result of `composeNode`.
|
|
}
|
|
}
|
|
|
|
//
|
|
// Common reading code for both explicit and implicit notations.
|
|
//
|
|
if (state.line === _line || state.lineIndent > nodeIndent) {
|
|
if (atExplicitKey) {
|
|
_keyLine = state.line
|
|
_keyLineStart = state.lineStart
|
|
_keyPos = state.position
|
|
}
|
|
|
|
if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) {
|
|
if (atExplicitKey) {
|
|
keyNode = state.result
|
|
} else {
|
|
valueNode = state.result
|
|
}
|
|
}
|
|
|
|
if (!atExplicitKey) {
|
|
storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _keyLine, _keyLineStart, _keyPos)
|
|
keyTag = keyNode = valueNode = null
|
|
}
|
|
|
|
skipSeparationSpace(state, true, -1)
|
|
ch = state.input.charCodeAt(state.position)
|
|
}
|
|
|
|
if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {
|
|
throwError(state, 'bad indentation of a mapping entry')
|
|
} else if (state.lineIndent < nodeIndent) {
|
|
break
|
|
}
|
|
}
|
|
|
|
//
|
|
// Epilogue.
|
|
//
|
|
|
|
// Special case: last mapping's node contains only the key in explicit notation.
|
|
if (atExplicitKey) {
|
|
storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos)
|
|
}
|
|
|
|
// Expose the resulting mapping.
|
|
if (detected) {
|
|
state.tag = _tag
|
|
state.anchor = _anchor
|
|
state.kind = 'mapping'
|
|
state.result = _result
|
|
}
|
|
|
|
return detected
|
|
}
|
|
|
|
function readTagProperty (state) {
|
|
let isVerbatim = false
|
|
let isNamed = false
|
|
let tagHandle
|
|
let tagName
|
|
|
|
let ch = state.input.charCodeAt(state.position)
|
|
|
|
if (ch !== 0x21/* ! */) return false
|
|
|
|
if (state.tag !== null) {
|
|
throwError(state, 'duplication of a tag property')
|
|
}
|
|
|
|
ch = state.input.charCodeAt(++state.position)
|
|
|
|
if (ch === 0x3C/* < */) {
|
|
isVerbatim = true
|
|
ch = state.input.charCodeAt(++state.position)
|
|
} else if (ch === 0x21/* ! */) {
|
|
isNamed = true
|
|
tagHandle = '!!'
|
|
ch = state.input.charCodeAt(++state.position)
|
|
} else {
|
|
tagHandle = '!'
|
|
}
|
|
|
|
let _position = state.position
|
|
|
|
if (isVerbatim) {
|
|
do { ch = state.input.charCodeAt(++state.position) }
|
|
while (ch !== 0 && ch !== 0x3E/* > */)
|
|
|
|
if (state.position < state.length) {
|
|
tagName = state.input.slice(_position, state.position)
|
|
ch = state.input.charCodeAt(++state.position)
|
|
} else {
|
|
throwError(state, 'unexpected end of the stream within a verbatim tag')
|
|
}
|
|
} else {
|
|
while (ch !== 0 && !isWsOrEol(ch)) {
|
|
if (ch === 0x21/* ! */) {
|
|
if (!isNamed) {
|
|
tagHandle = state.input.slice(_position - 1, state.position + 1)
|
|
|
|
if (!PATTERN_TAG_HANDLE.test(tagHandle)) {
|
|
throwError(state, 'named tag handle cannot contain such characters')
|
|
}
|
|
|
|
isNamed = true
|
|
_position = state.position + 1
|
|
} else {
|
|
throwError(state, 'tag suffix cannot contain exclamation marks')
|
|
}
|
|
}
|
|
|
|
ch = state.input.charCodeAt(++state.position)
|
|
}
|
|
|
|
tagName = state.input.slice(_position, state.position)
|
|
|
|
if (PATTERN_FLOW_INDICATORS.test(tagName)) {
|
|
throwError(state, 'tag suffix cannot contain flow indicator characters')
|
|
}
|
|
}
|
|
|
|
if (tagName && !PATTERN_TAG_URI.test(tagName)) {
|
|
throwError(state, 'tag name cannot contain such characters: ' + tagName)
|
|
}
|
|
|
|
try {
|
|
tagName = decodeURIComponent(tagName)
|
|
} catch (err) {
|
|
throwError(state, 'tag name is malformed: ' + tagName)
|
|
}
|
|
|
|
if (isVerbatim) {
|
|
state.tag = tagName
|
|
} else if (_hasOwnProperty.call(state.tagMap, tagHandle)) {
|
|
state.tag = state.tagMap[tagHandle] + tagName
|
|
} else if (tagHandle === '!') {
|
|
state.tag = '!' + tagName
|
|
} else if (tagHandle === '!!') {
|
|
state.tag = 'tag:yaml.org,2002:' + tagName
|
|
} else {
|
|
throwError(state, 'undeclared tag handle "' + tagHandle + '"')
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
function readAnchorProperty (state) {
|
|
let ch = state.input.charCodeAt(state.position)
|
|
|
|
if (ch !== 0x26/* & */) return false
|
|
|
|
if (state.anchor !== null) {
|
|
throwError(state, 'duplication of an anchor property')
|
|
}
|
|
|
|
ch = state.input.charCodeAt(++state.position)
|
|
const _position = state.position
|
|
|
|
while (ch !== 0 && !isWsOrEol(ch) && !isFlowIndicator(ch)) {
|
|
ch = state.input.charCodeAt(++state.position)
|
|
}
|
|
|
|
if (state.position === _position) {
|
|
throwError(state, 'name of an anchor node must contain at least one character')
|
|
}
|
|
|
|
state.anchor = state.input.slice(_position, state.position)
|
|
return true
|
|
}
|
|
|
|
function readAlias (state) {
|
|
let ch = state.input.charCodeAt(state.position)
|
|
|
|
if (ch !== 0x2A/* * */) return false
|
|
|
|
ch = state.input.charCodeAt(++state.position)
|
|
const _position = state.position
|
|
|
|
while (ch !== 0 && !isWsOrEol(ch) && !isFlowIndicator(ch)) {
|
|
ch = state.input.charCodeAt(++state.position)
|
|
}
|
|
|
|
if (state.position === _position) {
|
|
throwError(state, 'name of an alias node must contain at least one character')
|
|
}
|
|
|
|
const alias = state.input.slice(_position, state.position)
|
|
|
|
if (!_hasOwnProperty.call(state.anchorMap, alias)) {
|
|
throwError(state, 'unidentified alias "' + alias + '"')
|
|
}
|
|
|
|
state.result = state.anchorMap[alias]
|
|
skipSeparationSpace(state, true, -1)
|
|
return true
|
|
}
|
|
|
|
function tryReadBlockMappingFromProperty (state, propertyStart, nodeIndent, flowIndent) {
|
|
const fallbackState = snapshotState(state)
|
|
|
|
beginAnchorTransaction(state)
|
|
restoreState(state, propertyStart)
|
|
|
|
// Re-read the leading properties as part of the first implicit key, not as
|
|
// properties of the current node.
|
|
state.tag = null
|
|
state.anchor = null
|
|
state.kind = null
|
|
state.result = null
|
|
|
|
if (readBlockMapping(state, nodeIndent, flowIndent) && state.kind === 'mapping') {
|
|
commitAnchorTransaction(state)
|
|
return true
|
|
}
|
|
|
|
rollbackAnchorTransaction(state)
|
|
restoreState(state, fallbackState)
|
|
return false
|
|
}
|
|
|
|
function composeNode (state, parentIndent, nodeContext, allowToSeek, allowCompact) {
|
|
let allowBlockScalars
|
|
let allowBlockCollections
|
|
let indentStatus = 1 // 1: this>parent, 0: this=parent, -1: this<parent
|
|
let atNewLine = false
|
|
let hasContent = false
|
|
let propertyStart = null
|
|
let type
|
|
let flowIndent
|
|
let blockIndent
|
|
|
|
if (state.depth >= state.maxDepth) {
|
|
throwError(state, 'nesting exceeded maxDepth (' + state.maxDepth + ')')
|
|
}
|
|
|
|
state.depth += 1
|
|
|
|
if (state.listener !== null) {
|
|
state.listener('open', state)
|
|
}
|
|
|
|
state.tag = null
|
|
state.anchor = null
|
|
state.kind = null
|
|
state.result = null
|
|
|
|
const allowBlockStyles = allowBlockScalars = allowBlockCollections =
|
|
CONTEXT_BLOCK_OUT === nodeContext ||
|
|
CONTEXT_BLOCK_IN === nodeContext
|
|
|
|
if (allowToSeek) {
|
|
if (skipSeparationSpace(state, true, -1)) {
|
|
atNewLine = true
|
|
|
|
if (state.lineIndent > parentIndent) {
|
|
indentStatus = 1
|
|
} else if (state.lineIndent === parentIndent) {
|
|
indentStatus = 0
|
|
} else if (state.lineIndent < parentIndent) {
|
|
indentStatus = -1
|
|
}
|
|
}
|
|
}
|
|
|
|
if (indentStatus === 1) {
|
|
while (true) {
|
|
const ch = state.input.charCodeAt(state.position)
|
|
const propertyState = snapshotState(state)
|
|
|
|
// A duplicate property token after a line break can be the first key of
|
|
// a nested block mapping, e.g. `!!map\n !!str key: value`.
|
|
if (atNewLine &&
|
|
((ch === 0x21/* ! */ && state.tag !== null) ||
|
|
(ch === 0x26/* & */ && state.anchor !== null))) {
|
|
break
|
|
}
|
|
|
|
if (!readTagProperty(state) && !readAnchorProperty(state)) {
|
|
break
|
|
}
|
|
|
|
if (propertyStart === null) {
|
|
propertyStart = propertyState
|
|
}
|
|
|
|
if (skipSeparationSpace(state, true, -1)) {
|
|
atNewLine = true
|
|
allowBlockCollections = allowBlockStyles
|
|
|
|
if (state.lineIndent > parentIndent) {
|
|
indentStatus = 1
|
|
} else if (state.lineIndent === parentIndent) {
|
|
indentStatus = 0
|
|
} else if (state.lineIndent < parentIndent) {
|
|
indentStatus = -1
|
|
}
|
|
} else {
|
|
allowBlockCollections = false
|
|
}
|
|
}
|
|
}
|
|
|
|
if (allowBlockCollections) {
|
|
allowBlockCollections = atNewLine || allowCompact
|
|
}
|
|
|
|
if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) {
|
|
if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) {
|
|
flowIndent = parentIndent
|
|
} else {
|
|
flowIndent = parentIndent + 1
|
|
}
|
|
|
|
blockIndent = state.position - state.lineStart
|
|
|
|
if (indentStatus === 1) {
|
|
if ((allowBlockCollections &&
|
|
(readBlockSequence(state, blockIndent) || readBlockMapping(state, blockIndent, flowIndent))) ||
|
|
readFlowCollection(state, flowIndent)) {
|
|
hasContent = true
|
|
} else {
|
|
const ch = state.input.charCodeAt(state.position)
|
|
|
|
if (propertyStart !== null && allowBlockStyles && !allowBlockCollections &&
|
|
ch !== 0x7C/* | */ && ch !== 0x3E/* > */ &&
|
|
tryReadBlockMappingFromProperty(
|
|
state,
|
|
propertyStart,
|
|
propertyStart.position - propertyStart.lineStart,
|
|
flowIndent
|
|
)) {
|
|
hasContent = true
|
|
} else if ((allowBlockScalars && readBlockScalar(state, flowIndent)) ||
|
|
readSingleQuotedScalar(state, flowIndent) ||
|
|
readDoubleQuotedScalar(state, flowIndent)) {
|
|
hasContent = true
|
|
} else if (readAlias(state)) {
|
|
hasContent = true
|
|
|
|
if (state.tag !== null || state.anchor !== null) {
|
|
throwError(state, 'alias node should not have any properties')
|
|
}
|
|
} else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) {
|
|
hasContent = true
|
|
|
|
if (state.tag === null) {
|
|
state.tag = '?'
|
|
}
|
|
}
|
|
|
|
if (state.anchor !== null) {
|
|
storeAnchor(state, state.anchor, state.result)
|
|
}
|
|
}
|
|
} else if (indentStatus === 0) {
|
|
// Special case: block sequences are allowed to have same indentation level as the parent.
|
|
// http://www.yaml.org/spec/1.2/spec.html#id2799784
|
|
hasContent = allowBlockCollections && readBlockSequence(state, blockIndent)
|
|
}
|
|
}
|
|
|
|
if (state.tag === null) {
|
|
if (state.anchor !== null) {
|
|
storeAnchor(state, state.anchor, state.result)
|
|
}
|
|
} else if (state.tag === '?') {
|
|
// Implicit resolving is not allowed for non-scalar types, and '?'
|
|
// non-specific tag is only automatically assigned to plain scalars.
|
|
//
|
|
// We only need to check kind conformity in case user explicitly assigns '?'
|
|
// tag, for example like this: "!<?> [0]"
|
|
//
|
|
if (state.result !== null && state.kind !== 'scalar') {
|
|
throwError(state, 'unacceptable node kind for !<?> tag; it should be "scalar", not "' + state.kind + '"')
|
|
}
|
|
|
|
for (let typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) {
|
|
type = state.implicitTypes[typeIndex]
|
|
|
|
if (type.resolve(state.result)) { // `state.result` updated in resolver if matched
|
|
state.result = type.construct(state.result)
|
|
state.tag = type.tag
|
|
if (state.anchor !== null) {
|
|
storeAnchor(state, state.anchor, state.result)
|
|
}
|
|
break
|
|
}
|
|
}
|
|
} else if (state.tag !== '!') {
|
|
if (_hasOwnProperty.call(state.typeMap[state.kind || 'fallback'], state.tag)) {
|
|
type = state.typeMap[state.kind || 'fallback'][state.tag]
|
|
} else {
|
|
// looking for multi type
|
|
type = null
|
|
const typeList = state.typeMap.multi[state.kind || 'fallback']
|
|
|
|
for (let typeIndex = 0, typeQuantity = typeList.length; typeIndex < typeQuantity; typeIndex += 1) {
|
|
if (state.tag.slice(0, typeList[typeIndex].tag.length) === typeList[typeIndex].tag) {
|
|
type = typeList[typeIndex]
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!type) {
|
|
throwError(state, 'unknown tag !<' + state.tag + '>')
|
|
}
|
|
|
|
if (state.result !== null && type.kind !== state.kind) {
|
|
throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"')
|
|
}
|
|
|
|
if (!type.resolve(state.result, state.tag)) { // `state.result` updated in resolver if matched
|
|
throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag')
|
|
} else {
|
|
state.result = type.construct(state.result, state.tag)
|
|
if (state.anchor !== null) {
|
|
storeAnchor(state, state.anchor, state.result)
|
|
}
|
|
}
|
|
}
|
|
|
|
if (state.listener !== null) {
|
|
state.listener('close', state)
|
|
}
|
|
|
|
state.depth -= 1
|
|
return state.tag !== null || state.anchor !== null || hasContent
|
|
}
|
|
|
|
function readDocument (state) {
|
|
const documentStart = state.position
|
|
let hasDirectives = false
|
|
let ch
|
|
|
|
state.version = null
|
|
state.checkLineBreaks = state.legacy
|
|
state.tagMap = Object.create(null)
|
|
state.anchorMap = Object.create(null)
|
|
|
|
while ((ch = state.input.charCodeAt(state.position)) !== 0) {
|
|
skipSeparationSpace(state, true, -1)
|
|
|
|
ch = state.input.charCodeAt(state.position)
|
|
|
|
if (state.lineIndent > 0 || ch !== 0x25/* % */) {
|
|
break
|
|
}
|
|
|
|
hasDirectives = true
|
|
ch = state.input.charCodeAt(++state.position)
|
|
let _position = state.position
|
|
|
|
while (ch !== 0 && !isWsOrEol(ch)) {
|
|
ch = state.input.charCodeAt(++state.position)
|
|
}
|
|
|
|
const directiveName = state.input.slice(_position, state.position)
|
|
const directiveArgs = []
|
|
|
|
if (directiveName.length < 1) {
|
|
throwError(state, 'directive name must not be less than one character in length')
|
|
}
|
|
|
|
while (ch !== 0) {
|
|
while (isWhiteSpace(ch)) {
|
|
ch = state.input.charCodeAt(++state.position)
|
|
}
|
|
|
|
if (ch === 0x23/* # */) {
|
|
do { ch = state.input.charCodeAt(++state.position) }
|
|
while (ch !== 0 && !isEol(ch))
|
|
break
|
|
}
|
|
|
|
if (isEol(ch)) break
|
|
|
|
_position = state.position
|
|
|
|
while (ch !== 0 && !isWsOrEol(ch)) {
|
|
ch = state.input.charCodeAt(++state.position)
|
|
}
|
|
|
|
directiveArgs.push(state.input.slice(_position, state.position))
|
|
}
|
|
|
|
if (ch !== 0) readLineBreak(state)
|
|
|
|
if (_hasOwnProperty.call(directiveHandlers, directiveName)) {
|
|
directiveHandlers[directiveName](state, directiveName, directiveArgs)
|
|
} else {
|
|
throwWarning(state, 'unknown document directive "' + directiveName + '"')
|
|
}
|
|
}
|
|
|
|
skipSeparationSpace(state, true, -1)
|
|
|
|
if (state.lineIndent === 0 &&
|
|
state.input.charCodeAt(state.position) === 0x2D/* - */ &&
|
|
state.input.charCodeAt(state.position + 1) === 0x2D/* - */ &&
|
|
state.input.charCodeAt(state.position + 2) === 0x2D/* - */) {
|
|
state.position += 3
|
|
skipSeparationSpace(state, true, -1)
|
|
} else if (hasDirectives) {
|
|
throwError(state, 'directives end mark is expected')
|
|
}
|
|
|
|
composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true)
|
|
skipSeparationSpace(state, true, -1)
|
|
|
|
if (state.checkLineBreaks &&
|
|
PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) {
|
|
throwWarning(state, 'non-ASCII line breaks are interpreted as content')
|
|
}
|
|
|
|
state.documents.push(state.result)
|
|
|
|
if (state.position === state.lineStart && testDocumentSeparator(state)) {
|
|
if (state.input.charCodeAt(state.position) === 0x2E/* . */) {
|
|
state.position += 3
|
|
skipSeparationSpace(state, true, -1)
|
|
}
|
|
return
|
|
}
|
|
|
|
if (state.position < (state.length - 1)) {
|
|
throwError(state, 'end of the stream or a document separator is expected')
|
|
}
|
|
}
|
|
|
|
function loadDocuments (input, options) {
|
|
input = String(input)
|
|
options = options || {}
|
|
|
|
if (input.length !== 0) {
|
|
// Add tailing `\n` if not exists
|
|
if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ &&
|
|
input.charCodeAt(input.length - 1) !== 0x0D/* CR */) {
|
|
input += '\n'
|
|
}
|
|
|
|
// Strip BOM
|
|
if (input.charCodeAt(0) === 0xFEFF) {
|
|
input = input.slice(1)
|
|
}
|
|
}
|
|
|
|
const state = new State(input, options)
|
|
|
|
const nullpos = input.indexOf('\0')
|
|
|
|
if (nullpos !== -1) {
|
|
state.position = nullpos
|
|
throwError(state, 'null byte is not allowed in input')
|
|
}
|
|
|
|
// Use 0 as string terminator. That significantly simplifies bounds check.
|
|
state.input += '\0'
|
|
|
|
while (state.input.charCodeAt(state.position) === 0x20/* Space */) {
|
|
state.lineIndent += 1
|
|
state.position += 1
|
|
}
|
|
|
|
while (state.position < (state.length - 1)) {
|
|
readDocument(state)
|
|
}
|
|
|
|
return state.documents
|
|
}
|
|
|
|
function loadAll (input, iterator, options) {
|
|
if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') {
|
|
options = iterator
|
|
iterator = null
|
|
}
|
|
|
|
const documents = loadDocuments(input, options)
|
|
|
|
if (typeof iterator !== 'function') {
|
|
return documents
|
|
}
|
|
|
|
for (let index = 0, length = documents.length; index < length; index += 1) {
|
|
iterator(documents[index])
|
|
}
|
|
}
|
|
|
|
function load (input, options) {
|
|
const documents = loadDocuments(input, options)
|
|
|
|
if (documents.length === 0) {
|
|
return undefined
|
|
} else if (documents.length === 1) {
|
|
return documents[0]
|
|
}
|
|
throw new YAMLException('expected a single document in the stream, but found more')
|
|
}
|
|
|
|
module.exports.loadAll = loadAll
|
|
module.exports.load = load
|