+++ /dev/null
-'use strict';
-
-/*eslint-disable max-len,no-use-before-define*/
-
-var common = require('./common');
-var YAMLException = require('./exception');
-var Mark = require('./mark');
-var DEFAULT_SAFE_SCHEMA = require('./schema/default_safe');
-var DEFAULT_FULL_SCHEMA = require('./schema/default_full');
-
-
-var _hasOwnProperty = Object.prototype.hasOwnProperty;
-
-
-var CONTEXT_FLOW_IN = 1;
-var CONTEXT_FLOW_OUT = 2;
-var CONTEXT_BLOCK_IN = 3;
-var CONTEXT_BLOCK_OUT = 4;
-
-
-var CHOMPING_CLIP = 1;
-var CHOMPING_STRIP = 2;
-var CHOMPING_KEEP = 3;
-
-
-var PATTERN_NON_PRINTABLE = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
-var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/;
-var PATTERN_FLOW_INDICATORS = /[,\[\]\{\}]/;
-var PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\-]+!)$/i;
-var PATTERN_TAG_URI = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i;
-
-
-function _class(obj) { return Object.prototype.toString.call(obj); }
-
-function is_EOL(c) {
- return (c === 0x0A/* LF */) || (c === 0x0D/* CR */);
-}
-
-function is_WHITE_SPACE(c) {
- return (c === 0x09/* Tab */) || (c === 0x20/* Space */);
-}
-
-function is_WS_OR_EOL(c) {
- return (c === 0x09/* Tab */) ||
- (c === 0x20/* Space */) ||
- (c === 0x0A/* LF */) ||
- (c === 0x0D/* CR */);
-}
-
-function is_FLOW_INDICATOR(c) {
- return c === 0x2C/* , */ ||
- c === 0x5B/* [ */ ||
- c === 0x5D/* ] */ ||
- c === 0x7B/* { */ ||
- c === 0x7D/* } */;
-}
-
-function fromHexCode(c) {
- var lc;
-
- if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {
- return c - 0x30;
- }
-
- /*eslint-disable no-bitwise*/
- lc = c | 0x20;
-
- if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) {
- return lc - 0x61 + 10;
- }
-
- return -1;
-}
-
-function escapedHexLen(c) {
- if (c === 0x78/* x */) { return 2; }
- if (c === 0x75/* u */) { return 4; }
- if (c === 0x55/* U */) { return 8; }
- return 0;
-}
-
-function fromDecimalCode(c) {
- if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {
- return c - 0x30;
- }
-
- return -1;
-}
-
-function simpleEscapeSequence(c) {
- /* eslint-disable indent */
- return (c === 0x30/* 0 */) ? '\x00' :
- (c === 0x61/* a */) ? '\x07' :
- (c === 0x62/* b */) ? '\x08' :
- (c === 0x74/* t */) ? '\x09' :
- (c === 0x09/* Tab */) ? '\x09' :
- (c === 0x6E/* n */) ? '\x0A' :
- (c === 0x76/* v */) ? '\x0B' :
- (c === 0x66/* f */) ? '\x0C' :
- (c === 0x72/* r */) ? '\x0D' :
- (c === 0x65/* e */) ? '\x1B' :
- (c === 0x20/* Space */) ? ' ' :
- (c === 0x22/* " */) ? '\x22' :
- (c === 0x2F/* / */) ? '/' :
- (c === 0x5C/* \ */) ? '\x5C' :
- (c === 0x4E/* N */) ? '\x85' :
- (c === 0x5F/* _ */) ? '\xA0' :
- (c === 0x4C/* L */) ? '\u2028' :
- (c === 0x50/* P */) ? '\u2029' : '';
-}
-
-function charFromCodepoint(c) {
- if (c <= 0xFFFF) {
- return String.fromCharCode(c);
- }
- // Encode UTF-16 surrogate pair
- // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF
- return String.fromCharCode(
- ((c - 0x010000) >> 10) + 0xD800,
- ((c - 0x010000) & 0x03FF) + 0xDC00
- );
-}
-
-var simpleEscapeCheck = new Array(256); // integer, for fast access
-var simpleEscapeMap = new Array(256);
-for (var i = 0; i < 256; i++) {
- simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0;
- simpleEscapeMap[i] = simpleEscapeSequence(i);
-}
-
-
-function State(input, options) {
- this.input = input;
-
- this.filename = options['filename'] || null;
- this.schema = options['schema'] || DEFAULT_FULL_SCHEMA;
- this.onWarning = options['onWarning'] || null;
- this.legacy = options['legacy'] || false;
- this.json = options['json'] || false;
- this.listener = options['listener'] || null;
-
- this.implicitTypes = this.schema.compiledImplicit;
- this.typeMap = this.schema.compiledTypeMap;
-
- this.length = input.length;
- this.position = 0;
- this.line = 0;
- this.lineStart = 0;
- this.lineIndent = 0;
-
- this.documents = [];
-
- /*
- this.version;
- this.checkLineBreaks;
- this.tagMap;
- this.anchorMap;
- this.tag;
- this.anchor;
- this.kind;
- this.result;*/
-
-}
-
-
-function generateError(state, message) {
- return new YAMLException(
- message,
- new Mark(state.filename, state.input, state.position, state.line, (state.position - state.lineStart)));
-}
-
-function throwError(state, message) {
- throw generateError(state, message);
-}
-
-function throwWarning(state, message) {
- if (state.onWarning) {
- state.onWarning.call(null, generateError(state, message));
- }
-}
-
-
-var directiveHandlers = {
-
- YAML: function handleYamlDirective(state, name, args) {
-
- var match, major, minor;
-
- if (state.version !== null) {
- throwError(state, 'duplication of %YAML directive');
- }
-
- if (args.length !== 1) {
- throwError(state, 'YAML directive accepts exactly one argument');
- }
-
- match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]);
-
- if (match === null) {
- throwError(state, 'ill-formed argument of the YAML directive');
- }
-
- major = parseInt(match[1], 10);
- minor = parseInt(match[2], 10);
-
- if (major !== 1) {
- throwError(state, 'unacceptable YAML version of the document');
- }
-
- state.version = args[0];
- state.checkLineBreaks = (minor < 2);
-
- if (minor !== 1 && minor !== 2) {
- throwWarning(state, 'unsupported YAML version of the document');
- }
- },
-
- TAG: function handleTagDirective(state, name, args) {
-
- var handle, prefix;
-
- if (args.length !== 2) {
- throwError(state, 'TAG directive accepts exactly two arguments');
- }
-
- handle = args[0];
- prefix = args[1];
-
- if (!PATTERN_TAG_HANDLE.test(handle)) {
- throwError(state, 'ill-formed tag handle (first argument) of the TAG directive');
- }
-
- if (_hasOwnProperty.call(state.tagMap, handle)) {
- throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle');
- }
-
- if (!PATTERN_TAG_URI.test(prefix)) {
- throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive');
- }
-
- state.tagMap[handle] = prefix;
- }
-};
-
-
-function captureSegment(state, start, end, checkJson) {
- var _position, _length, _character, _result;
-
- if (start < end) {
- _result = state.input.slice(start, end);
-
- if (checkJson) {
- for (_position = 0, _length = _result.length; _position < _length; _position += 1) {
- _character = _result.charCodeAt(_position);
- if (!(_character === 0x09 ||
- (0x20 <= _character && _character <= 0x10FFFF))) {
- throwError(state, 'expected valid JSON character');
- }
- }
- } else if (PATTERN_NON_PRINTABLE.test(_result)) {
- throwError(state, 'the stream contains non-printable characters');
- }
-
- state.result += _result;
- }
-}
-
-function mergeMappings(state, destination, source, overridableKeys) {
- var sourceKeys, key, index, quantity;
-
- if (!common.isObject(source)) {
- throwError(state, 'cannot merge mappings; the provided source object is unacceptable');
- }
-
- sourceKeys = Object.keys(source);
-
- for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) {
- key = sourceKeys[index];
-
- if (!_hasOwnProperty.call(destination, key)) {
- destination[key] = source[key];
- overridableKeys[key] = true;
- }
- }
-}
-
-function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, startLine, startPos) {
- var index, quantity;
-
- // The output is a plain object here, so keys can only be strings.
- // We need to convert keyNode to a string, but doing so can hang the process
- // (deeply nested arrays that explode exponentially using aliases).
- if (Array.isArray(keyNode)) {
- keyNode = Array.prototype.slice.call(keyNode);
-
- for (index = 0, quantity = keyNode.length; index < quantity; index += 1) {
- if (Array.isArray(keyNode[index])) {
- throwError(state, 'nested arrays are not supported inside keys');
- }
-
- if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') {
- keyNode[index] = '[object Object]';
- }
- }
- }
-
- // Avoid code execution in load() via toString property
- // (still use its own toString for arrays, timestamps,
- // and whatever user schema extensions happen to have @@toStringTag)
- if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') {
- keyNode = '[object Object]';
- }
-
-
- keyNode = String(keyNode);
-
- if (_result === null) {
- _result = {};
- }
-
- if (keyTag === 'tag:yaml.org,2002:merge') {
- if (Array.isArray(valueNode)) {
- for (index = 0, quantity = valueNode.length; index < quantity; index += 1) {
- mergeMappings(state, _result, valueNode[index], overridableKeys);
- }
- } else {
- mergeMappings(state, _result, valueNode, overridableKeys);
- }
- } else {
- if (!state.json &&
- !_hasOwnProperty.call(overridableKeys, keyNode) &&
- _hasOwnProperty.call(_result, keyNode)) {
- state.line = startLine || state.line;
- state.position = startPos || state.position;
- throwError(state, 'duplicated mapping key');
- }
- _result[keyNode] = valueNode;
- delete overridableKeys[keyNode];
- }
-
- return _result;
-}
-
-function readLineBreak(state) {
- var ch;
-
- ch = state.input.charCodeAt(state.position);
-
- if (ch === 0x0A/* LF */) {
- state.position++;
- } else if (ch === 0x0D/* CR */) {
- state.position++;
- if (state.input.charCodeAt(state.position) === 0x0A/* LF */) {
- state.position++;
- }
- } else {
- throwError(state, 'a line break is expected');
- }
-
- state.line += 1;
- state.lineStart = state.position;
-}
-
-function skipSeparationSpace(state, allowComments, checkIndent) {
- var lineBreaks = 0,
- ch = state.input.charCodeAt(state.position);
-
- while (ch !== 0) {
- while (is_WHITE_SPACE(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
-
- if (allowComments && ch === 0x23/* # */) {
- do {
- ch = state.input.charCodeAt(++state.position);
- } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0);
- }
-
- if (is_EOL(ch)) {
- readLineBreak(state);
-
- ch = state.input.charCodeAt(state.position);
- lineBreaks++;
- state.lineIndent = 0;
-
- while (ch === 0x20/* Space */) {
- state.lineIndent++;
- ch = state.input.charCodeAt(++state.position);
- }
- } else {
- break;
- }
- }
-
- if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) {
- throwWarning(state, 'deficient indentation');
- }
-
- return lineBreaks;
-}
-
-function testDocumentSeparator(state) {
- var _position = state.position,
- ch;
-
- 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 || is_WS_OR_EOL(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) {
- var preceding,
- following,
- captureStart,
- captureEnd,
- hasPendingContent,
- _line,
- _lineStart,
- _lineIndent,
- _kind = state.kind,
- _result = state.result,
- ch;
-
- ch = state.input.charCodeAt(state.position);
-
- if (is_WS_OR_EOL(ch) ||
- is_FLOW_INDICATOR(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/* - */) {
- following = state.input.charCodeAt(state.position + 1);
-
- if (is_WS_OR_EOL(following) ||
- withinFlowCollection && is_FLOW_INDICATOR(following)) {
- return false;
- }
- }
-
- state.kind = 'scalar';
- state.result = '';
- captureStart = captureEnd = state.position;
- hasPendingContent = false;
-
- while (ch !== 0) {
- if (ch === 0x3A/* : */) {
- following = state.input.charCodeAt(state.position + 1);
-
- if (is_WS_OR_EOL(following) ||
- withinFlowCollection && is_FLOW_INDICATOR(following)) {
- break;
- }
-
- } else if (ch === 0x23/* # */) {
- preceding = state.input.charCodeAt(state.position - 1);
-
- if (is_WS_OR_EOL(preceding)) {
- break;
- }
-
- } else if ((state.position === state.lineStart && testDocumentSeparator(state)) ||
- withinFlowCollection && is_FLOW_INDICATOR(ch)) {
- break;
-
- } else if (is_EOL(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 (!is_WHITE_SPACE(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) {
- var ch,
- captureStart, captureEnd;
-
- 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 (is_EOL(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++;
- captureEnd = state.position;
- }
- }
-
- throwError(state, 'unexpected end of the stream within a single quoted scalar');
-}
-
-function readDoubleQuotedScalar(state, nodeIndent) {
- var captureStart,
- captureEnd,
- hexLength,
- hexResult,
- tmp,
- ch;
-
- 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 (is_EOL(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) {
- hexLength = tmp;
- 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 (is_EOL(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++;
- captureEnd = state.position;
- }
- }
-
- throwError(state, 'unexpected end of the stream within a double quoted scalar');
-}
-
-function readFlowCollection(state, nodeIndent) {
- var readNext = true,
- _line,
- _tag = state.tag,
- _result,
- _anchor = state.anchor,
- following,
- terminator,
- isPair,
- isExplicitPair,
- isMapping,
- overridableKeys = {},
- keyNode,
- keyTag,
- valueNode,
- ch;
-
- 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) {
- state.anchorMap[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');
- }
-
- keyTag = keyNode = valueNode = null;
- isPair = isExplicitPair = false;
-
- if (ch === 0x3F/* ? */) {
- following = state.input.charCodeAt(state.position + 1);
-
- if (is_WS_OR_EOL(following)) {
- isPair = isExplicitPair = true;
- state.position++;
- skipSeparationSpace(state, true, nodeIndent);
- }
- }
-
- _line = state.line;
- 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);
- } else if (isPair) {
- _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode));
- } 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) {
- var captureStart,
- folding,
- chomping = CHOMPING_CLIP,
- didReadContent = false,
- detectedIndent = false,
- textIndent = nodeIndent,
- emptyLines = 0,
- atMoreIndented = false,
- tmp,
- ch;
-
- 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 (is_WHITE_SPACE(ch)) {
- do { ch = state.input.charCodeAt(++state.position); }
- while (is_WHITE_SPACE(ch));
-
- if (ch === 0x23/* # */) {
- do { ch = state.input.charCodeAt(++state.position); }
- while (!is_EOL(ch) && (ch !== 0));
- }
- }
-
- while (ch !== 0) {
- readLineBreak(state);
- state.lineIndent = 0;
-
- ch = state.input.charCodeAt(state.position);
-
- 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 (is_EOL(ch)) {
- emptyLines++;
- continue;
- }
-
- // 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 (is_WHITE_SPACE(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;
- captureStart = state.position;
-
- while (!is_EOL(ch) && (ch !== 0)) {
- ch = state.input.charCodeAt(++state.position);
- }
-
- captureSegment(state, captureStart, state.position, false);
- }
-
- return true;
-}
-
-function readBlockSequence(state, nodeIndent) {
- var _line,
- _tag = state.tag,
- _anchor = state.anchor,
- _result = [],
- following,
- detected = false,
- ch;
-
- if (state.anchor !== null) {
- state.anchorMap[state.anchor] = _result;
- }
-
- ch = state.input.charCodeAt(state.position);
-
- while (ch !== 0) {
-
- if (ch !== 0x2D/* - */) {
- break;
- }
-
- following = state.input.charCodeAt(state.position + 1);
-
- if (!is_WS_OR_EOL(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;
- }
- }
-
- _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) {
- var following,
- allowCompact,
- _line,
- _pos,
- _tag = state.tag,
- _anchor = state.anchor,
- _result = {},
- overridableKeys = {},
- keyTag = null,
- keyNode = null,
- valueNode = null,
- atExplicitKey = false,
- detected = false,
- ch;
-
- if (state.anchor !== null) {
- state.anchorMap[state.anchor] = _result;
- }
-
- ch = state.input.charCodeAt(state.position);
-
- while (ch !== 0) {
- following = state.input.charCodeAt(state.position + 1);
- _line = state.line; // Save the current line.
- _pos = state.position;
-
- //
- // 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/* : */) && is_WS_OR_EOL(following)) {
-
- if (ch === 0x3F/* ? */) {
- if (atExplicitKey) {
- storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null);
- 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 if (composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) {
-
- if (state.line === _line) {
- ch = state.input.charCodeAt(state.position);
-
- while (is_WHITE_SPACE(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
-
- if (ch === 0x3A/* : */) {
- ch = state.input.charCodeAt(++state.position);
-
- if (!is_WS_OR_EOL(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);
- 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`.
- }
-
- } else {
- break; // Reading is done. Go to the epilogue.
- }
-
- //
- // Common reading code for both explicit and implicit notations.
- //
- if (state.line === _line || state.lineIndent > nodeIndent) {
- 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, _line, _pos);
- keyTag = keyNode = valueNode = null;
- }
-
- skipSeparationSpace(state, true, -1);
- ch = state.input.charCodeAt(state.position);
- }
-
- if (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);
- }
-
- // Expose the resulting mapping.
- if (detected) {
- state.tag = _tag;
- state.anchor = _anchor;
- state.kind = 'mapping';
- state.result = _result;
- }
-
- return detected;
-}
-
-function readTagProperty(state) {
- var _position,
- isVerbatim = false,
- isNamed = false,
- tagHandle,
- tagName,
- ch;
-
- 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 = '!';
- }
-
- _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 && !is_WS_OR_EOL(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);
- }
-
- 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) {
- var _position,
- ch;
-
- 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);
- _position = state.position;
-
- while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(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) {
- var _position, alias,
- ch;
-
- ch = state.input.charCodeAt(state.position);
-
- if (ch !== 0x2A/* * */) return false;
-
- ch = state.input.charCodeAt(++state.position);
- _position = state.position;
-
- while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
-
- if (state.position === _position) {
- throwError(state, 'name of an alias node must contain at least one character');
- }
-
- 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 composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) {
- var allowBlockStyles,
- allowBlockScalars,
- allowBlockCollections,
- indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this<parent
- atNewLine = false,
- hasContent = false,
- typeIndex,
- typeQuantity,
- type,
- flowIndent,
- blockIndent;
-
- if (state.listener !== null) {
- state.listener('open', state);
- }
-
- state.tag = null;
- state.anchor = null;
- state.kind = null;
- state.result = null;
-
- 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 (readTagProperty(state) || readAnchorProperty(state)) {
- 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 {
- 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) {
- state.anchorMap[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 && state.tag !== '!') {
- 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 (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) {
- state.anchorMap[state.anchor] = state.result;
- }
- break;
- }
- }
- } else if (_hasOwnProperty.call(state.typeMap[state.kind || 'fallback'], state.tag)) {
- type = state.typeMap[state.kind || 'fallback'][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.result` updated in resolver if matched
- throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag');
- } else {
- state.result = type.construct(state.result);
- if (state.anchor !== null) {
- state.anchorMap[state.anchor] = state.result;
- }
- }
- } else {
- throwError(state, 'unknown tag !<' + state.tag + '>');
- }
- }
-
- if (state.listener !== null) {
- state.listener('close', state);
- }
- return state.tag !== null || state.anchor !== null || hasContent;
-}
-
-function readDocument(state) {
- var documentStart = state.position,
- _position,
- directiveName,
- directiveArgs,
- hasDirectives = false,
- ch;
-
- state.version = null;
- state.checkLineBreaks = state.legacy;
- state.tagMap = {};
- state.anchorMap = {};
-
- 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);
- _position = state.position;
-
- while (ch !== 0 && !is_WS_OR_EOL(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
-
- directiveName = state.input.slice(_position, state.position);
- directiveArgs = [];
-
- if (directiveName.length < 1) {
- throwError(state, 'directive name must not be less than one character in length');
- }
-
- while (ch !== 0) {
- while (is_WHITE_SPACE(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
-
- if (ch === 0x23/* # */) {
- do { ch = state.input.charCodeAt(++state.position); }
- while (ch !== 0 && !is_EOL(ch));
- break;
- }
-
- if (is_EOL(ch)) break;
-
- _position = state.position;
-
- while (ch !== 0 && !is_WS_OR_EOL(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');
- } else {
- return;
- }
-}
-
-
-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);
- }
- }
-
- var state = new State(input, options);
-
- var 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;
- }
-
- var documents = loadDocuments(input, options);
-
- if (typeof iterator !== 'function') {
- return documents;
- }
-
- for (var index = 0, length = documents.length; index < length; index += 1) {
- iterator(documents[index]);
- }
-}
-
-
-function load(input, options) {
- var documents = loadDocuments(input, options);
-
- if (documents.length === 0) {
- /*eslint-disable no-undefined*/
- return undefined;
- } else if (documents.length === 1) {
- return documents[0];
- }
- throw new YAMLException('expected a single document in the stream, but found more');
-}
-
-
-function safeLoadAll(input, iterator, options) {
- if (typeof iterator === 'object' && iterator !== null && typeof options === 'undefined') {
- options = iterator;
- iterator = null;
- }
-
- return loadAll(input, iterator, common.extend({ schema: DEFAULT_SAFE_SCHEMA }, options));
-}
-
-
-function safeLoad(input, options) {
- return load(input, common.extend({ schema: DEFAULT_SAFE_SCHEMA }, options));
-}
-
-
-module.exports.loadAll = loadAll;
-module.exports.load = load;
-module.exports.safeLoadAll = safeLoadAll;
-module.exports.safeLoad = safeLoad;
projects / dotfiles / .git / blobdiff