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3851 lines
105 KiB
3851 lines
105 KiB
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/*! js-yaml 4.1.0 https://github.com/nodeca/js-yaml @license MIT */ |
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function isNothing(subject) { |
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return (typeof subject === 'undefined') || (subject === null); |
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} |
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function isObject(subject) { |
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return (typeof subject === 'object') && (subject !== null); |
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} |
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function toArray(sequence) { |
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if (Array.isArray(sequence)) return sequence; |
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else if (isNothing(sequence)) return []; |
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return [ sequence ]; |
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} |
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function extend(target, source) { |
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var index, length, key, sourceKeys; |
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if (source) { |
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sourceKeys = Object.keys(source); |
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for (index = 0, length = sourceKeys.length; index < length; index += 1) { |
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key = sourceKeys[index]; |
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target[key] = source[key]; |
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} |
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} |
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return target; |
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} |
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function repeat(string, count) { |
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var result = '', cycle; |
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for (cycle = 0; cycle < count; cycle += 1) { |
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result += string; |
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} |
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return result; |
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} |
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function isNegativeZero(number) { |
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return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number); |
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} |
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var isNothing_1 = isNothing; |
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var isObject_1 = isObject; |
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var toArray_1 = toArray; |
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var repeat_1 = repeat; |
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var isNegativeZero_1 = isNegativeZero; |
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var extend_1 = extend; |
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var common = { |
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isNothing: isNothing_1, |
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isObject: isObject_1, |
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toArray: toArray_1, |
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repeat: repeat_1, |
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isNegativeZero: isNegativeZero_1, |
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extend: extend_1 |
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}; |
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// YAML error class. http://stackoverflow.com/questions/8458984 |
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function formatError(exception, compact) { |
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var where = '', message = exception.reason || '(unknown reason)'; |
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if (!exception.mark) return message; |
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if (exception.mark.name) { |
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where += 'in "' + exception.mark.name + '" '; |
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} |
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where += '(' + (exception.mark.line + 1) + ':' + (exception.mark.column + 1) + ')'; |
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if (!compact && exception.mark.snippet) { |
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where += '\n\n' + exception.mark.snippet; |
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} |
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return message + ' ' + where; |
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} |
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function YAMLException$1(reason, mark) { |
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// Super constructor |
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Error.call(this); |
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this.name = 'YAMLException'; |
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this.reason = reason; |
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this.mark = mark; |
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this.message = formatError(this, false); |
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// Include stack trace in error object |
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if (Error.captureStackTrace) { |
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// Chrome and NodeJS |
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Error.captureStackTrace(this, this.constructor); |
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} else { |
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// FF, IE 10+ and Safari 6+. Fallback for others |
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this.stack = (new Error()).stack || ''; |
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} |
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} |
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// Inherit from Error |
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YAMLException$1.prototype = Object.create(Error.prototype); |
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YAMLException$1.prototype.constructor = YAMLException$1; |
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YAMLException$1.prototype.toString = function toString(compact) { |
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return this.name + ': ' + formatError(this, compact); |
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}; |
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var exception = YAMLException$1; |
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// get snippet for a single line, respecting maxLength |
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function getLine(buffer, lineStart, lineEnd, position, maxLineLength) { |
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var head = ''; |
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var tail = ''; |
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var maxHalfLength = Math.floor(maxLineLength / 2) - 1; |
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if (position - lineStart > maxHalfLength) { |
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head = ' ... '; |
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lineStart = position - maxHalfLength + head.length; |
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} |
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if (lineEnd - position > maxHalfLength) { |
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tail = ' ...'; |
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lineEnd = position + maxHalfLength - tail.length; |
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} |
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return { |
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str: head + buffer.slice(lineStart, lineEnd).replace(/\t/g, '→') + tail, |
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pos: position - lineStart + head.length // relative position |
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}; |
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} |
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function padStart(string, max) { |
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return common.repeat(' ', max - string.length) + string; |
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} |
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function makeSnippet(mark, options) { |
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options = Object.create(options || null); |
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if (!mark.buffer) return null; |
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if (!options.maxLength) options.maxLength = 79; |
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if (typeof options.indent !== 'number') options.indent = 1; |
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if (typeof options.linesBefore !== 'number') options.linesBefore = 3; |
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if (typeof options.linesAfter !== 'number') options.linesAfter = 2; |
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var re = /\r?\n|\r|\0/g; |
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var lineStarts = [ 0 ]; |
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var lineEnds = []; |
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var match; |
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var foundLineNo = -1; |
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while ((match = re.exec(mark.buffer))) { |
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lineEnds.push(match.index); |
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lineStarts.push(match.index + match[0].length); |
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if (mark.position <= match.index && foundLineNo < 0) { |
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foundLineNo = lineStarts.length - 2; |
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} |
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} |
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if (foundLineNo < 0) foundLineNo = lineStarts.length - 1; |
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var result = '', i, line; |
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var lineNoLength = Math.min(mark.line + options.linesAfter, lineEnds.length).toString().length; |
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var maxLineLength = options.maxLength - (options.indent + lineNoLength + 3); |
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for (i = 1; i <= options.linesBefore; i++) { |
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if (foundLineNo - i < 0) break; |
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line = getLine( |
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mark.buffer, |
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lineStarts[foundLineNo - i], |
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lineEnds[foundLineNo - i], |
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mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo - i]), |
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maxLineLength |
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); |
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result = common.repeat(' ', options.indent) + padStart((mark.line - i + 1).toString(), lineNoLength) + |
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' | ' + line.str + '\n' + result; |
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} |
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line = getLine(mark.buffer, lineStarts[foundLineNo], lineEnds[foundLineNo], mark.position, maxLineLength); |
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result += common.repeat(' ', options.indent) + padStart((mark.line + 1).toString(), lineNoLength) + |
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' | ' + line.str + '\n'; |
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result += common.repeat('-', options.indent + lineNoLength + 3 + line.pos) + '^' + '\n'; |
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for (i = 1; i <= options.linesAfter; i++) { |
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if (foundLineNo + i >= lineEnds.length) break; |
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line = getLine( |
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mark.buffer, |
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lineStarts[foundLineNo + i], |
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lineEnds[foundLineNo + i], |
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mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo + i]), |
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maxLineLength |
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); |
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result += common.repeat(' ', options.indent) + padStart((mark.line + i + 1).toString(), lineNoLength) + |
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' | ' + line.str + '\n'; |
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} |
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return result.replace(/\n$/, ''); |
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} |
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var snippet = makeSnippet; |
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var TYPE_CONSTRUCTOR_OPTIONS = [ |
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'kind', |
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'multi', |
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'resolve', |
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'construct', |
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'instanceOf', |
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'predicate', |
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'represent', |
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'representName', |
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'defaultStyle', |
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'styleAliases' |
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]; |
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var YAML_NODE_KINDS = [ |
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'scalar', |
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'sequence', |
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'mapping' |
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]; |
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function compileStyleAliases(map) { |
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var result = {}; |
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if (map !== null) { |
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Object.keys(map).forEach(function (style) { |
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map[style].forEach(function (alias) { |
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result[String(alias)] = style; |
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}); |
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}); |
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} |
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return result; |
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} |
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function Type$1(tag, options) { |
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options = options || {}; |
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Object.keys(options).forEach(function (name) { |
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if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) { |
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throw new exception('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.'); |
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} |
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}); |
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// TODO: Add tag format check. |
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this.options = options; // keep original options in case user wants to extend this type later |
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this.tag = tag; |
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this.kind = options['kind'] || null; |
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this.resolve = options['resolve'] || function () { return true; }; |
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this.construct = options['construct'] || function (data) { return data; }; |
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this.instanceOf = options['instanceOf'] || null; |
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this.predicate = options['predicate'] || null; |
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this.represent = options['represent'] || null; |
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this.representName = options['representName'] || null; |
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this.defaultStyle = options['defaultStyle'] || null; |
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this.multi = options['multi'] || false; |
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this.styleAliases = compileStyleAliases(options['styleAliases'] || null); |
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if (YAML_NODE_KINDS.indexOf(this.kind) === -1) { |
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throw new exception('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.'); |
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} |
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} |
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var type = Type$1; |
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/*eslint-disable max-len*/ |
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function compileList(schema, name) { |
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var result = []; |
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schema[name].forEach(function (currentType) { |
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var newIndex = result.length; |
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result.forEach(function (previousType, previousIndex) { |
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if (previousType.tag === currentType.tag && |
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previousType.kind === currentType.kind && |
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previousType.multi === currentType.multi) { |
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newIndex = previousIndex; |
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} |
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}); |
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result[newIndex] = currentType; |
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}); |
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return result; |
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} |
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function compileMap(/* lists... */) { |
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var result = { |
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scalar: {}, |
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sequence: {}, |
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mapping: {}, |
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fallback: {}, |
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multi: { |
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scalar: [], |
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sequence: [], |
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mapping: [], |
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fallback: [] |
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} |
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}, index, length; |
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function collectType(type) { |
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if (type.multi) { |
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result.multi[type.kind].push(type); |
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result.multi['fallback'].push(type); |
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} else { |
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result[type.kind][type.tag] = result['fallback'][type.tag] = type; |
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} |
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} |
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for (index = 0, length = arguments.length; index < length; index += 1) { |
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arguments[index].forEach(collectType); |
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} |
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return result; |
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} |
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function Schema$1(definition) { |
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return this.extend(definition); |
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} |
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Schema$1.prototype.extend = function extend(definition) { |
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var implicit = []; |
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var explicit = []; |
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if (definition instanceof type) { |
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// Schema.extend(type) |
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explicit.push(definition); |
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} else if (Array.isArray(definition)) { |
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// Schema.extend([ type1, type2, ... ]) |
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explicit = explicit.concat(definition); |
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} else if (definition && (Array.isArray(definition.implicit) || Array.isArray(definition.explicit))) { |
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// Schema.extend({ explicit: [ type1, type2, ... ], implicit: [ type1, type2, ... ] }) |
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if (definition.implicit) implicit = implicit.concat(definition.implicit); |
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if (definition.explicit) explicit = explicit.concat(definition.explicit); |
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} else { |
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throw new exception('Schema.extend argument should be a Type, [ Type ], ' + |
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'or a schema definition ({ implicit: [...], explicit: [...] })'); |
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} |
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implicit.forEach(function (type$1) { |
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if (!(type$1 instanceof type)) { |
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throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.'); |
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} |
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if (type$1.loadKind && type$1.loadKind !== 'scalar') { |
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throw new exception('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.'); |
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} |
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if (type$1.multi) { |
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throw new exception('There is a multi type in the implicit list of a schema. Multi tags can only be listed as explicit.'); |
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} |
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}); |
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explicit.forEach(function (type$1) { |
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if (!(type$1 instanceof type)) { |
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throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.'); |
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} |
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}); |
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var result = Object.create(Schema$1.prototype); |
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result.implicit = (this.implicit || []).concat(implicit); |
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result.explicit = (this.explicit || []).concat(explicit); |
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result.compiledImplicit = compileList(result, 'implicit'); |
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result.compiledExplicit = compileList(result, 'explicit'); |
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result.compiledTypeMap = compileMap(result.compiledImplicit, result.compiledExplicit); |
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return result; |
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}; |
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var schema = Schema$1; |
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var str = new type('tag:yaml.org,2002:str', { |
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kind: 'scalar', |
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construct: function (data) { return data !== null ? data : ''; } |
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}); |
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var seq = new type('tag:yaml.org,2002:seq', { |
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kind: 'sequence', |
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construct: function (data) { return data !== null ? data : []; } |
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}); |
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var map = new type('tag:yaml.org,2002:map', { |
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kind: 'mapping', |
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construct: function (data) { return data !== null ? data : {}; } |
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}); |
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var failsafe = new schema({ |
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explicit: [ |
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str, |
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seq, |
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map |
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] |
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}); |
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function resolveYamlNull(data) { |
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if (data === null) return true; |
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var max = data.length; |
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return (max === 1 && data === '~') || |
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(max === 4 && (data === 'null' || data === 'Null' || data === 'NULL')); |
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} |
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function constructYamlNull() { |
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return null; |
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} |
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function isNull(object) { |
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return object === null; |
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} |
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var _null = new type('tag:yaml.org,2002:null', { |
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kind: 'scalar', |
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resolve: resolveYamlNull, |
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construct: constructYamlNull, |
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predicate: isNull, |
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represent: { |
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canonical: function () { return '~'; }, |
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lowercase: function () { return 'null'; }, |
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uppercase: function () { return 'NULL'; }, |
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camelcase: function () { return 'Null'; }, |
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empty: function () { return ''; } |
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}, |
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defaultStyle: 'lowercase' |
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}); |
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function resolveYamlBoolean(data) { |
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if (data === null) return false; |
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var max = data.length; |
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return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) || |
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(max === 5 && (data === 'false' || data === 'False' || data === 'FALSE')); |
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} |
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function constructYamlBoolean(data) { |
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return data === 'true' || |
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data === 'True' || |
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data === 'TRUE'; |
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} |
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function isBoolean(object) { |
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return Object.prototype.toString.call(object) === '[object Boolean]'; |
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} |
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var bool = new type('tag:yaml.org,2002:bool', { |
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kind: 'scalar', |
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resolve: resolveYamlBoolean, |
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construct: constructYamlBoolean, |
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predicate: isBoolean, |
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represent: { |
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lowercase: function (object) { return object ? 'true' : 'false'; }, |
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uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; }, |
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camelcase: function (object) { return object ? 'True' : 'False'; } |
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}, |
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defaultStyle: 'lowercase' |
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}); |
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function isHexCode(c) { |
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return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) || |
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((0x41/* A */ <= c) && (c <= 0x46/* F */)) || |
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((0x61/* a */ <= c) && (c <= 0x66/* f */)); |
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} |
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function isOctCode(c) { |
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return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */)); |
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} |
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function isDecCode(c) { |
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return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)); |
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} |
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function resolveYamlInteger(data) { |
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if (data === null) return false; |
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var max = data.length, |
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index = 0, |
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hasDigits = false, |
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ch; |
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if (!max) return false; |
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ch = data[index]; |
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|
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// sign |
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if (ch === '-' || ch === '+') { |
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ch = data[++index]; |
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} |
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|
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if (ch === '0') { |
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// 0 |
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if (index + 1 === max) return true; |
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ch = data[++index]; |
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|
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// base 2, base 8, base 16 |
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if (ch === 'b') { |
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// base 2 |
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index++; |
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for (; index < max; index++) { |
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ch = data[index]; |
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if (ch === '_') continue; |
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if (ch !== '0' && ch !== '1') return false; |
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hasDigits = true; |
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} |
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return hasDigits && ch !== '_'; |
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} |
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if (ch === 'x') { |
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// base 16 |
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index++; |
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|
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for (; index < max; index++) { |
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ch = data[index]; |
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if (ch === '_') continue; |
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if (!isHexCode(data.charCodeAt(index))) return false; |
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hasDigits = true; |
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} |
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return hasDigits && ch !== '_'; |
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} |
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|
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if (ch === 'o') { |
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// base 8 |
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index++; |
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|
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for (; index < max; index++) { |
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ch = data[index]; |
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if (ch === '_') continue; |
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if (!isOctCode(data.charCodeAt(index))) return false; |
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hasDigits = true; |
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} |
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return hasDigits && ch !== '_'; |
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} |
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} |
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|
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// base 10 (except 0) |
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|
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// value should not start with `_`; |
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if (ch === '_') return false; |
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|
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for (; index < max; index++) { |
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ch = data[index]; |
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if (ch === '_') continue; |
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if (!isDecCode(data.charCodeAt(index))) { |
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return false; |
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} |
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hasDigits = true; |
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} |
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|
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// Should have digits and should not end with `_` |
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if (!hasDigits || ch === '_') return false; |
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|
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return true; |
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} |
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|
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function constructYamlInteger(data) { |
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var value = data, sign = 1, ch; |
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|
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if (value.indexOf('_') !== -1) { |
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value = value.replace(/_/g, ''); |
|
} |
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|
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ch = value[0]; |
|
|
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if (ch === '-' || ch === '+') { |
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if (ch === '-') sign = -1; |
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value = value.slice(1); |
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ch = value[0]; |
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} |
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|
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if (value === '0') return 0; |
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|
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if (ch === '0') { |
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if (value[1] === 'b') return sign * parseInt(value.slice(2), 2); |
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if (value[1] === 'x') return sign * parseInt(value.slice(2), 16); |
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if (value[1] === 'o') return sign * parseInt(value.slice(2), 8); |
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} |
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|
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return sign * parseInt(value, 10); |
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} |
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|
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function isInteger(object) { |
|
return (Object.prototype.toString.call(object)) === '[object Number]' && |
|
(object % 1 === 0 && !common.isNegativeZero(object)); |
|
} |
|
|
|
var int = new type('tag:yaml.org,2002:int', { |
|
kind: 'scalar', |
|
resolve: resolveYamlInteger, |
|
construct: constructYamlInteger, |
|
predicate: isInteger, |
|
represent: { |
|
binary: function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); }, |
|
octal: function (obj) { return obj >= 0 ? '0o' + obj.toString(8) : '-0o' + obj.toString(8).slice(1); }, |
|
decimal: function (obj) { return obj.toString(10); }, |
|
/* eslint-disable max-len */ |
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hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() : '-0x' + obj.toString(16).toUpperCase().slice(1); } |
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}, |
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defaultStyle: 'decimal', |
|
styleAliases: { |
|
binary: [ 2, 'bin' ], |
|
octal: [ 8, 'oct' ], |
|
decimal: [ 10, 'dec' ], |
|
hexadecimal: [ 16, 'hex' ] |
|
} |
|
}); |
|
|
|
var YAML_FLOAT_PATTERN = new RegExp( |
|
// 2.5e4, 2.5 and integers |
|
'^(?:[-+]?(?:[0-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' + |
|
// .2e4, .2 |
|
// special case, seems not from spec |
|
'|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' + |
|
// .inf |
|
'|[-+]?\\.(?:inf|Inf|INF)' + |
|
// .nan |
|
'|\\.(?:nan|NaN|NAN))$'); |
|
|
|
function resolveYamlFloat(data) { |
|
if (data === null) return false; |
|
|
|
if (!YAML_FLOAT_PATTERN.test(data) || |
|
// Quick hack to not allow integers end with `_` |
|
// Probably should update regexp & check speed |
|
data[data.length - 1] === '_') { |
|
return false; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
function constructYamlFloat(data) { |
|
var value, sign; |
|
|
|
value = data.replace(/_/g, '').toLowerCase(); |
|
sign = value[0] === '-' ? -1 : 1; |
|
|
|
if ('+-'.indexOf(value[0]) >= 0) { |
|
value = value.slice(1); |
|
} |
|
|
|
if (value === '.inf') { |
|
return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY; |
|
|
|
} else if (value === '.nan') { |
|
return NaN; |
|
} |
|
return sign * parseFloat(value, 10); |
|
} |
|
|
|
|
|
var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/; |
|
|
|
function representYamlFloat(object, style) { |
|
var res; |
|
|
|
if (isNaN(object)) { |
|
switch (style) { |
|
case 'lowercase': return '.nan'; |
|
case 'uppercase': return '.NAN'; |
|
case 'camelcase': return '.NaN'; |
|
} |
|
} else if (Number.POSITIVE_INFINITY === object) { |
|
switch (style) { |
|
case 'lowercase': return '.inf'; |
|
case 'uppercase': return '.INF'; |
|
case 'camelcase': return '.Inf'; |
|
} |
|
} else if (Number.NEGATIVE_INFINITY === object) { |
|
switch (style) { |
|
case 'lowercase': return '-.inf'; |
|
case 'uppercase': return '-.INF'; |
|
case 'camelcase': return '-.Inf'; |
|
} |
|
} else if (common.isNegativeZero(object)) { |
|
return '-0.0'; |
|
} |
|
|
|
res = object.toString(10); |
|
|
|
// JS stringifier can build scientific format without dots: 5e-100, |
|
// while YAML requres dot: 5.e-100. Fix it with simple hack |
|
|
|
return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res; |
|
} |
|
|
|
function isFloat(object) { |
|
return (Object.prototype.toString.call(object) === '[object Number]') && |
|
(object % 1 !== 0 || common.isNegativeZero(object)); |
|
} |
|
|
|
var float = new type('tag:yaml.org,2002:float', { |
|
kind: 'scalar', |
|
resolve: resolveYamlFloat, |
|
construct: constructYamlFloat, |
|
predicate: isFloat, |
|
represent: representYamlFloat, |
|
defaultStyle: 'lowercase' |
|
}); |
|
|
|
var json = failsafe.extend({ |
|
implicit: [ |
|
_null, |
|
bool, |
|
int, |
|
float |
|
] |
|
}); |
|
|
|
var core = json; |
|
|
|
var YAML_DATE_REGEXP = new RegExp( |
|
'^([0-9][0-9][0-9][0-9])' + // [1] year |
|
'-([0-9][0-9])' + // [2] month |
|
'-([0-9][0-9])$'); // [3] day |
|
|
|
var YAML_TIMESTAMP_REGEXP = new RegExp( |
|
'^([0-9][0-9][0-9][0-9])' + // [1] year |
|
'-([0-9][0-9]?)' + // [2] month |
|
'-([0-9][0-9]?)' + // [3] day |
|
'(?:[Tt]|[ \\t]+)' + // ... |
|
'([0-9][0-9]?)' + // [4] hour |
|
':([0-9][0-9])' + // [5] minute |
|
':([0-9][0-9])' + // [6] second |
|
'(?:\\.([0-9]*))?' + // [7] fraction |
|
'(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour |
|
'(?::([0-9][0-9]))?))?$'); // [11] tz_minute |
|
|
|
function resolveYamlTimestamp(data) { |
|
if (data === null) return false; |
|
if (YAML_DATE_REGEXP.exec(data) !== null) return true; |
|
if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true; |
|
return false; |
|
} |
|
|
|
function constructYamlTimestamp(data) { |
|
var match, year, month, day, hour, minute, second, fraction = 0, |
|
delta = null, tz_hour, tz_minute, date; |
|
|
|
match = YAML_DATE_REGEXP.exec(data); |
|
if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data); |
|
|
|
if (match === null) throw new Error('Date resolve error'); |
|
|
|
// match: [1] year [2] month [3] day |
|
|
|
year = +(match[1]); |
|
month = +(match[2]) - 1; // JS month starts with 0 |
|
day = +(match[3]); |
|
|
|
if (!match[4]) { // no hour |
|
return new Date(Date.UTC(year, month, day)); |
|
} |
|
|
|
// match: [4] hour [5] minute [6] second [7] fraction |
|
|
|
hour = +(match[4]); |
|
minute = +(match[5]); |
|
second = +(match[6]); |
|
|
|
if (match[7]) { |
|
fraction = match[7].slice(0, 3); |
|
while (fraction.length < 3) { // milli-seconds |
|
fraction += '0'; |
|
} |
|
fraction = +fraction; |
|
} |
|
|
|
// match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute |
|
|
|
if (match[9]) { |
|
tz_hour = +(match[10]); |
|
tz_minute = +(match[11] || 0); |
|
delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds |
|
if (match[9] === '-') delta = -delta; |
|
} |
|
|
|
date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction)); |
|
|
|
if (delta) date.setTime(date.getTime() - delta); |
|
|
|
return date; |
|
} |
|
|
|
function representYamlTimestamp(object /*, style*/) { |
|
return object.toISOString(); |
|
} |
|
|
|
var timestamp = new type('tag:yaml.org,2002:timestamp', { |
|
kind: 'scalar', |
|
resolve: resolveYamlTimestamp, |
|
construct: constructYamlTimestamp, |
|
instanceOf: Date, |
|
represent: representYamlTimestamp |
|
}); |
|
|
|
function resolveYamlMerge(data) { |
|
return data === '<<' || data === null; |
|
} |
|
|
|
var merge = new type('tag:yaml.org,2002:merge', { |
|
kind: 'scalar', |
|
resolve: resolveYamlMerge |
|
}); |
|
|
|
/*eslint-disable no-bitwise*/ |
|
|
|
|
|
|
|
|
|
|
|
// [ 64, 65, 66 ] -> [ padding, CR, LF ] |
|
var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r'; |
|
|
|
|
|
function resolveYamlBinary(data) { |
|
if (data === null) return false; |
|
|
|
var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP; |
|
|
|
// Convert one by one. |
|
for (idx = 0; idx < max; idx++) { |
|
code = map.indexOf(data.charAt(idx)); |
|
|
|
// Skip CR/LF |
|
if (code > 64) continue; |
|
|
|
// Fail on illegal characters |
|
if (code < 0) return false; |
|
|
|
bitlen += 6; |
|
} |
|
|
|
// If there are any bits left, source was corrupted |
|
return (bitlen % 8) === 0; |
|
} |
|
|
|
function constructYamlBinary(data) { |
|
var idx, tailbits, |
|
input = data.replace(/[\r\n=]/g, ''), // remove CR/LF & padding to simplify scan |
|
max = input.length, |
|
map = BASE64_MAP, |
|
bits = 0, |
|
result = []; |
|
|
|
// Collect by 6*4 bits (3 bytes) |
|
|
|
for (idx = 0; idx < max; idx++) { |
|
if ((idx % 4 === 0) && idx) { |
|
result.push((bits >> 16) & 0xFF); |
|
result.push((bits >> 8) & 0xFF); |
|
result.push(bits & 0xFF); |
|
} |
|
|
|
bits = (bits << 6) | map.indexOf(input.charAt(idx)); |
|
} |
|
|
|
// Dump tail |
|
|
|
tailbits = (max % 4) * 6; |
|
|
|
if (tailbits === 0) { |
|
result.push((bits >> 16) & 0xFF); |
|
result.push((bits >> 8) & 0xFF); |
|
result.push(bits & 0xFF); |
|
} else if (tailbits === 18) { |
|
result.push((bits >> 10) & 0xFF); |
|
result.push((bits >> 2) & 0xFF); |
|
} else if (tailbits === 12) { |
|
result.push((bits >> 4) & 0xFF); |
|
} |
|
|
|
return new Uint8Array(result); |
|
} |
|
|
|
function representYamlBinary(object /*, style*/) { |
|
var result = '', bits = 0, idx, tail, |
|
max = object.length, |
|
map = BASE64_MAP; |
|
|
|
// Convert every three bytes to 4 ASCII characters. |
|
|
|
for (idx = 0; idx < max; idx++) { |
|
if ((idx % 3 === 0) && idx) { |
|
result += map[(bits >> 18) & 0x3F]; |
|
result += map[(bits >> 12) & 0x3F]; |
|
result += map[(bits >> 6) & 0x3F]; |
|
result += map[bits & 0x3F]; |
|
} |
|
|
|
bits = (bits << 8) + object[idx]; |
|
} |
|
|
|
// Dump tail |
|
|
|
tail = max % 3; |
|
|
|
if (tail === 0) { |
|
result += map[(bits >> 18) & 0x3F]; |
|
result += map[(bits >> 12) & 0x3F]; |
|
result += map[(bits >> 6) & 0x3F]; |
|
result += map[bits & 0x3F]; |
|
} else if (tail === 2) { |
|
result += map[(bits >> 10) & 0x3F]; |
|
result += map[(bits >> 4) & 0x3F]; |
|
result += map[(bits << 2) & 0x3F]; |
|
result += map[64]; |
|
} else if (tail === 1) { |
|
result += map[(bits >> 2) & 0x3F]; |
|
result += map[(bits << 4) & 0x3F]; |
|
result += map[64]; |
|
result += map[64]; |
|
} |
|
|
|
return result; |
|
} |
|
|
|
function isBinary(obj) { |
|
return Object.prototype.toString.call(obj) === '[object Uint8Array]'; |
|
} |
|
|
|
var binary = new type('tag:yaml.org,2002:binary', { |
|
kind: 'scalar', |
|
resolve: resolveYamlBinary, |
|
construct: constructYamlBinary, |
|
predicate: isBinary, |
|
represent: representYamlBinary |
|
}); |
|
|
|
var _hasOwnProperty$3 = Object.prototype.hasOwnProperty; |
|
var _toString$2 = Object.prototype.toString; |
|
|
|
function resolveYamlOmap(data) { |
|
if (data === null) return true; |
|
|
|
var objectKeys = [], index, length, pair, pairKey, pairHasKey, |
|
object = data; |
|
|
|
for (index = 0, length = object.length; index < length; index += 1) { |
|
pair = object[index]; |
|
pairHasKey = false; |
|
|
|
if (_toString$2.call(pair) !== '[object Object]') return false; |
|
|
|
for (pairKey in pair) { |
|
if (_hasOwnProperty$3.call(pair, pairKey)) { |
|
if (!pairHasKey) pairHasKey = true; |
|
else return false; |
|
} |
|
} |
|
|
|
if (!pairHasKey) return false; |
|
|
|
if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey); |
|
else return false; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
function constructYamlOmap(data) { |
|
return data !== null ? data : []; |
|
} |
|
|
|
var omap = new type('tag:yaml.org,2002:omap', { |
|
kind: 'sequence', |
|
resolve: resolveYamlOmap, |
|
construct: constructYamlOmap |
|
}); |
|
|
|
var _toString$1 = Object.prototype.toString; |
|
|
|
function resolveYamlPairs(data) { |
|
if (data === null) return true; |
|
|
|
var index, length, pair, keys, result, |
|
object = data; |
|
|
|
result = new Array(object.length); |
|
|
|
for (index = 0, length = object.length; index < length; index += 1) { |
|
pair = object[index]; |
|
|
|
if (_toString$1.call(pair) !== '[object Object]') return false; |
|
|
|
keys = Object.keys(pair); |
|
|
|
if (keys.length !== 1) return false; |
|
|
|
result[index] = [ keys[0], pair[keys[0]] ]; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
function constructYamlPairs(data) { |
|
if (data === null) return []; |
|
|
|
var index, length, pair, keys, result, |
|
object = data; |
|
|
|
result = new Array(object.length); |
|
|
|
for (index = 0, length = object.length; index < length; index += 1) { |
|
pair = object[index]; |
|
|
|
keys = Object.keys(pair); |
|
|
|
result[index] = [ keys[0], pair[keys[0]] ]; |
|
} |
|
|
|
return result; |
|
} |
|
|
|
var pairs = new type('tag:yaml.org,2002:pairs', { |
|
kind: 'sequence', |
|
resolve: resolveYamlPairs, |
|
construct: constructYamlPairs |
|
}); |
|
|
|
var _hasOwnProperty$2 = Object.prototype.hasOwnProperty; |
|
|
|
function resolveYamlSet(data) { |
|
if (data === null) return true; |
|
|
|
var key, object = data; |
|
|
|
for (key in object) { |
|
if (_hasOwnProperty$2.call(object, key)) { |
|
if (object[key] !== null) return false; |
|
} |
|
} |
|
|
|
return true; |
|
} |
|
|
|
function constructYamlSet(data) { |
|
return data !== null ? data : {}; |
|
} |
|
|
|
var set = new type('tag:yaml.org,2002:set', { |
|
kind: 'mapping', |
|
resolve: resolveYamlSet, |
|
construct: constructYamlSet |
|
}); |
|
|
|
var _default = core.extend({ |
|
implicit: [ |
|
timestamp, |
|
merge |
|
], |
|
explicit: [ |
|
binary, |
|
omap, |
|
pairs, |
|
set |
|
] |
|
}); |
|
|
|
/*eslint-disable max-len,no-use-before-define*/ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
var _hasOwnProperty$1 = 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$1(input, options) { |
|
this.input = input; |
|
|
|
this.filename = options['filename'] || null; |
|
this.schema = options['schema'] || _default; |
|
this.onWarning = options['onWarning'] || null; |
|
// (Hidden) Remove? makes the loader to expect YAML 1.1 documents |
|
// if such documents have no explicit %YAML directive |
|
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; |
|
|
|
// position of first leading tab in the current line, |
|
// used to make sure there are no tabs in the indentation |
|
this.firstTabInLine = -1; |
|
|
|
this.documents = []; |
|
|
|
/* |
|
this.version; |
|
this.checkLineBreaks; |
|
this.tagMap; |
|
this.anchorMap; |
|
this.tag; |
|
this.anchor; |
|
this.kind; |
|
this.result;*/ |
|
|
|
} |
|
|
|
|
|
function generateError(state, message) { |
|
var mark = { |
|
name: state.filename, |
|
buffer: state.input.slice(0, -1), // omit trailing \0 |
|
position: state.position, |
|
line: state.line, |
|
column: state.position - state.lineStart |
|
}; |
|
|
|
mark.snippet = snippet(mark); |
|
|
|
return new exception(message, mark); |
|
} |
|
|
|
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$1.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'); |
|
} |
|
|
|
try { |
|
prefix = decodeURIComponent(prefix); |
|
} catch (err) { |
|
throwError(state, 'tag prefix is malformed: ' + prefix); |
|
} |
|
|
|
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$1.call(destination, key)) { |
|
destination[key] = source[key]; |
|
overridableKeys[key] = true; |
|
} |
|
} |
|
} |
|
|
|
function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, |
|
startLine, startLineStart, 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$1.call(overridableKeys, keyNode) && |
|
_hasOwnProperty$1.call(_result, keyNode)) { |
|
state.line = startLine || state.line; |
|
state.lineStart = startLineStart || state.lineStart; |
|
state.position = startPos || state.position; |
|
throwError(state, 'duplicated mapping key'); |
|
} |
|
|
|
// used for this specific key only because Object.defineProperty is slow |
|
if (keyNode === '__proto__') { |
|
Object.defineProperty(_result, keyNode, { |
|
configurable: true, |
|
enumerable: true, |
|
writable: true, |
|
value: valueNode |
|
}); |
|
} else { |
|
_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; |
|
state.firstTabInLine = -1; |
|
} |
|
|
|
function skipSeparationSpace(state, allowComments, checkIndent) { |
|
var lineBreaks = 0, |
|
ch = state.input.charCodeAt(state.position); |
|
|
|
while (ch !== 0) { |
|
while (is_WHITE_SPACE(ch)) { |
|
if (ch === 0x09/* Tab */ && state.firstTabInLine === -1) { |
|
state.firstTabInLine = state.position; |
|
} |
|
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, |
|
_lineStart, |
|
_pos, |
|
_tag = state.tag, |
|
_result, |
|
_anchor = state.anchor, |
|
following, |
|
terminator, |
|
isPair, |
|
isExplicitPair, |
|
isMapping, |
|
overridableKeys = Object.create(null), |
|
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'); |
|
} 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/* ? */) { |
|
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; // 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) { |
|
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; |
|
|
|
// 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) { |
|
state.anchorMap[state.anchor] = _result; |
|
} |
|
|
|
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; |
|
} |
|
|
|
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, |
|
_keyLine, |
|
_keyLineStart, |
|
_keyPos, |
|
_tag = state.tag, |
|
_anchor = state.anchor, |
|
_result = {}, |
|
overridableKeys = Object.create(null), |
|
keyTag = null, |
|
keyNode = null, |
|
valueNode = null, |
|
atExplicitKey = false, |
|
detected = false, |
|
ch; |
|
|
|
// 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) { |
|
state.anchorMap[state.anchor] = _result; |
|
} |
|
|
|
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'); |
|
} |
|
|
|
following = state.input.charCodeAt(state.position + 1); |
|
_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/* : */) && is_WS_OR_EOL(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 (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, _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) { |
|
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); |
|
} |
|
|
|
try { |
|
tagName = decodeURIComponent(tagName); |
|
} catch (err) { |
|
throwError(state, 'tag name is malformed: ' + tagName); |
|
} |
|
|
|
if (isVerbatim) { |
|
state.tag = tagName; |
|
|
|
} else if (_hasOwnProperty$1.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$1.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, |
|
typeList, |
|
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) { |
|
if (state.anchor !== null) { |
|
state.anchorMap[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 (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 (state.tag !== '!') { |
|
if (_hasOwnProperty$1.call(state.typeMap[state.kind || 'fallback'], state.tag)) { |
|
type = state.typeMap[state.kind || 'fallback'][state.tag]; |
|
} else { |
|
// looking for multi type |
|
type = null; |
|
typeList = state.typeMap.multi[state.kind || 'fallback']; |
|
|
|
for (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) { |
|
state.anchorMap[state.anchor] = state.result; |
|
} |
|
} |
|
} |
|
|
|
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 = 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); |
|
_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$1.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$1(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$1(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$1(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 exception('expected a single document in the stream, but found more'); |
|
} |
|
|
|
|
|
var loadAll_1 = loadAll$1; |
|
var load_1 = load$1; |
|
|
|
var loader = { |
|
loadAll: loadAll_1, |
|
load: load_1 |
|
}; |
|
|
|
/*eslint-disable no-use-before-define*/ |
|
|
|
|
|
|
|
|
|
|
|
var _toString = Object.prototype.toString; |
|
var _hasOwnProperty = Object.prototype.hasOwnProperty; |
|
|
|
var CHAR_BOM = 0xFEFF; |
|
var CHAR_TAB = 0x09; /* Tab */ |
|
var CHAR_LINE_FEED = 0x0A; /* LF */ |
|
var CHAR_CARRIAGE_RETURN = 0x0D; /* CR */ |
|
var CHAR_SPACE = 0x20; /* Space */ |
|
var CHAR_EXCLAMATION = 0x21; /* ! */ |
|
var CHAR_DOUBLE_QUOTE = 0x22; /* " */ |
|
var CHAR_SHARP = 0x23; /* # */ |
|
var CHAR_PERCENT = 0x25; /* % */ |
|
var CHAR_AMPERSAND = 0x26; /* & */ |
|
var CHAR_SINGLE_QUOTE = 0x27; /* ' */ |
|
var CHAR_ASTERISK = 0x2A; /* * */ |
|
var CHAR_COMMA = 0x2C; /* , */ |
|
var CHAR_MINUS = 0x2D; /* - */ |
|
var CHAR_COLON = 0x3A; /* : */ |
|
var CHAR_EQUALS = 0x3D; /* = */ |
|
var CHAR_GREATER_THAN = 0x3E; /* > */ |
|
var CHAR_QUESTION = 0x3F; /* ? */ |
|
var CHAR_COMMERCIAL_AT = 0x40; /* @ */ |
|
var CHAR_LEFT_SQUARE_BRACKET = 0x5B; /* [ */ |
|
var CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */ |
|
var CHAR_GRAVE_ACCENT = 0x60; /* ` */ |
|
var CHAR_LEFT_CURLY_BRACKET = 0x7B; /* { */ |
|
var CHAR_VERTICAL_LINE = 0x7C; /* | */ |
|
var CHAR_RIGHT_CURLY_BRACKET = 0x7D; /* } */ |
|
|
|
var ESCAPE_SEQUENCES = {}; |
|
|
|
ESCAPE_SEQUENCES[0x00] = '\\0'; |
|
ESCAPE_SEQUENCES[0x07] = '\\a'; |
|
ESCAPE_SEQUENCES[0x08] = '\\b'; |
|
ESCAPE_SEQUENCES[0x09] = '\\t'; |
|
ESCAPE_SEQUENCES[0x0A] = '\\n'; |
|
ESCAPE_SEQUENCES[0x0B] = '\\v'; |
|
ESCAPE_SEQUENCES[0x0C] = '\\f'; |
|
ESCAPE_SEQUENCES[0x0D] = '\\r'; |
|
ESCAPE_SEQUENCES[0x1B] = '\\e'; |
|
ESCAPE_SEQUENCES[0x22] = '\\"'; |
|
ESCAPE_SEQUENCES[0x5C] = '\\\\'; |
|
ESCAPE_SEQUENCES[0x85] = '\\N'; |
|
ESCAPE_SEQUENCES[0xA0] = '\\_'; |
|
ESCAPE_SEQUENCES[0x2028] = '\\L'; |
|
ESCAPE_SEQUENCES[0x2029] = '\\P'; |
|
|
|
var DEPRECATED_BOOLEANS_SYNTAX = [ |
|
'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON', |
|
'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF' |
|
]; |
|
|
|
var DEPRECATED_BASE60_SYNTAX = /^[-+]?[0-9_]+(?::[0-9_]+)+(?:\.[0-9_]*)?$/; |
|
|
|
function compileStyleMap(schema, map) { |
|
var result, keys, index, length, tag, style, type; |
|
|
|
if (map === null) return {}; |
|
|
|
result = {}; |
|
keys = Object.keys(map); |
|
|
|
for (index = 0, length = keys.length; index < length; index += 1) { |
|
tag = keys[index]; |
|
style = String(map[tag]); |
|
|
|
if (tag.slice(0, 2) === '!!') { |
|
tag = 'tag:yaml.org,2002:' + tag.slice(2); |
|
} |
|
type = schema.compiledTypeMap['fallback'][tag]; |
|
|
|
if (type && _hasOwnProperty.call(type.styleAliases, style)) { |
|
style = type.styleAliases[style]; |
|
} |
|
|
|
result[tag] = style; |
|
} |
|
|
|
return result; |
|
} |
|
|
|
function encodeHex(character) { |
|
var string, handle, length; |
|
|
|
string = character.toString(16).toUpperCase(); |
|
|
|
if (character <= 0xFF) { |
|
handle = 'x'; |
|
length = 2; |
|
} else if (character <= 0xFFFF) { |
|
handle = 'u'; |
|
length = 4; |
|
} else if (character <= 0xFFFFFFFF) { |
|
handle = 'U'; |
|
length = 8; |
|
} else { |
|
throw new exception('code point within a string may not be greater than 0xFFFFFFFF'); |
|
} |
|
|
|
return '\\' + handle + common.repeat('0', length - string.length) + string; |
|
} |
|
|
|
|
|
var QUOTING_TYPE_SINGLE = 1, |
|
QUOTING_TYPE_DOUBLE = 2; |
|
|
|
function State(options) { |
|
this.schema = options['schema'] || _default; |
|
this.indent = Math.max(1, (options['indent'] || 2)); |
|
this.noArrayIndent = options['noArrayIndent'] || false; |
|
this.skipInvalid = options['skipInvalid'] || false; |
|
this.flowLevel = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']); |
|
this.styleMap = compileStyleMap(this.schema, options['styles'] || null); |
|
this.sortKeys = options['sortKeys'] || false; |
|
this.lineWidth = options['lineWidth'] || 80; |
|
this.noRefs = options['noRefs'] || false; |
|
this.noCompatMode = options['noCompatMode'] || false; |
|
this.condenseFlow = options['condenseFlow'] || false; |
|
this.quotingType = options['quotingType'] === '"' ? QUOTING_TYPE_DOUBLE : QUOTING_TYPE_SINGLE; |
|
this.forceQuotes = options['forceQuotes'] || false; |
|
this.replacer = typeof options['replacer'] === 'function' ? options['replacer'] : null; |
|
|
|
this.implicitTypes = this.schema.compiledImplicit; |
|
this.explicitTypes = this.schema.compiledExplicit; |
|
|
|
this.tag = null; |
|
this.result = ''; |
|
|
|
this.duplicates = []; |
|
this.usedDuplicates = null; |
|
} |
|
|
|
// Indents every line in a string. Empty lines (\n only) are not indented. |
|
function indentString(string, spaces) { |
|
var ind = common.repeat(' ', spaces), |
|
position = 0, |
|
next = -1, |
|
result = '', |
|
line, |
|
length = string.length; |
|
|
|
while (position < length) { |
|
next = string.indexOf('\n', position); |
|
if (next === -1) { |
|
line = string.slice(position); |
|
position = length; |
|
} else { |
|
line = string.slice(position, next + 1); |
|
position = next + 1; |
|
} |
|
|
|
if (line.length && line !== '\n') result += ind; |
|
|
|
result += line; |
|
} |
|
|
|
return result; |
|
} |
|
|
|
function generateNextLine(state, level) { |
|
return '\n' + common.repeat(' ', state.indent * level); |
|
} |
|
|
|
function testImplicitResolving(state, str) { |
|
var index, length, type; |
|
|
|
for (index = 0, length = state.implicitTypes.length; index < length; index += 1) { |
|
type = state.implicitTypes[index]; |
|
|
|
if (type.resolve(str)) { |
|
return true; |
|
} |
|
} |
|
|
|
return false; |
|
} |
|
|
|
// [33] s-white ::= s-space | s-tab |
|
function isWhitespace(c) { |
|
return c === CHAR_SPACE || c === CHAR_TAB; |
|
} |
|
|
|
// Returns true if the character can be printed without escaping. |
|
// From YAML 1.2: "any allowed characters known to be non-printable |
|
// should also be escaped. [However,] This isn’t mandatory" |
|
// Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029. |
|
function isPrintable(c) { |
|
return (0x00020 <= c && c <= 0x00007E) |
|
|| ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029) |
|
|| ((0x0E000 <= c && c <= 0x00FFFD) && c !== CHAR_BOM) |
|
|| (0x10000 <= c && c <= 0x10FFFF); |
|
} |
|
|
|
// [34] ns-char ::= nb-char - s-white |
|
// [27] nb-char ::= c-printable - b-char - c-byte-order-mark |
|
// [26] b-char ::= b-line-feed | b-carriage-return |
|
// Including s-white (for some reason, examples doesn't match specs in this aspect) |
|
// ns-char ::= c-printable - b-line-feed - b-carriage-return - c-byte-order-mark |
|
function isNsCharOrWhitespace(c) { |
|
return isPrintable(c) |
|
&& c !== CHAR_BOM |
|
// - b-char |
|
&& c !== CHAR_CARRIAGE_RETURN |
|
&& c !== CHAR_LINE_FEED; |
|
} |
|
|
|
// [127] ns-plain-safe(c) ::= c = flow-out ⇒ ns-plain-safe-out |
|
// c = flow-in ⇒ ns-plain-safe-in |
|
// c = block-key ⇒ ns-plain-safe-out |
|
// c = flow-key ⇒ ns-plain-safe-in |
|
// [128] ns-plain-safe-out ::= ns-char |
|
// [129] ns-plain-safe-in ::= ns-char - c-flow-indicator |
|
// [130] ns-plain-char(c) ::= ( ns-plain-safe(c) - “:” - “#” ) |
|
// | ( /* An ns-char preceding */ “#” ) |
|
// | ( “:” /* Followed by an ns-plain-safe(c) */ ) |
|
function isPlainSafe(c, prev, inblock) { |
|
var cIsNsCharOrWhitespace = isNsCharOrWhitespace(c); |
|
var cIsNsChar = cIsNsCharOrWhitespace && !isWhitespace(c); |
|
return ( |
|
// ns-plain-safe |
|
inblock ? // c = flow-in |
|
cIsNsCharOrWhitespace |
|
: cIsNsCharOrWhitespace |
|
// - c-flow-indicator |
|
&& c !== CHAR_COMMA |
|
&& c !== CHAR_LEFT_SQUARE_BRACKET |
|
&& c !== CHAR_RIGHT_SQUARE_BRACKET |
|
&& c !== CHAR_LEFT_CURLY_BRACKET |
|
&& c !== CHAR_RIGHT_CURLY_BRACKET |
|
) |
|
// ns-plain-char |
|
&& c !== CHAR_SHARP // false on '#' |
|
&& !(prev === CHAR_COLON && !cIsNsChar) // false on ': ' |
|
|| (isNsCharOrWhitespace(prev) && !isWhitespace(prev) && c === CHAR_SHARP) // change to true on '[^ ]#' |
|
|| (prev === CHAR_COLON && cIsNsChar); // change to true on ':[^ ]' |
|
} |
|
|
|
// Simplified test for values allowed as the first character in plain style. |
|
function isPlainSafeFirst(c) { |
|
// Uses a subset of ns-char - c-indicator |
|
// where ns-char = nb-char - s-white. |
|
// No support of ( ( “?” | “:” | “-” ) /* Followed by an ns-plain-safe(c)) */ ) part |
|
return isPrintable(c) && c !== CHAR_BOM |
|
&& !isWhitespace(c) // - s-white |
|
// - (c-indicator ::= |
|
// “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}” |
|
&& c !== CHAR_MINUS |
|
&& c !== CHAR_QUESTION |
|
&& c !== CHAR_COLON |
|
&& c !== CHAR_COMMA |
|
&& c !== CHAR_LEFT_SQUARE_BRACKET |
|
&& c !== CHAR_RIGHT_SQUARE_BRACKET |
|
&& c !== CHAR_LEFT_CURLY_BRACKET |
|
&& c !== CHAR_RIGHT_CURLY_BRACKET |
|
// | “#” | “&” | “*” | “!” | “|” | “=” | “>” | “'” | “"” |
|
&& c !== CHAR_SHARP |
|
&& c !== CHAR_AMPERSAND |
|
&& c !== CHAR_ASTERISK |
|
&& c !== CHAR_EXCLAMATION |
|
&& c !== CHAR_VERTICAL_LINE |
|
&& c !== CHAR_EQUALS |
|
&& c !== CHAR_GREATER_THAN |
|
&& c !== CHAR_SINGLE_QUOTE |
|
&& c !== CHAR_DOUBLE_QUOTE |
|
// | “%” | “@” | “`”) |
|
&& c !== CHAR_PERCENT |
|
&& c !== CHAR_COMMERCIAL_AT |
|
&& c !== CHAR_GRAVE_ACCENT; |
|
} |
|
|
|
// Simplified test for values allowed as the last character in plain style. |
|
function isPlainSafeLast(c) { |
|
// just not whitespace or colon, it will be checked to be plain character later |
|
return !isWhitespace(c) && c !== CHAR_COLON; |
|
} |
|
|
|
// Same as 'string'.codePointAt(pos), but works in older browsers. |
|
function codePointAt(string, pos) { |
|
var first = string.charCodeAt(pos), second; |
|
if (first >= 0xD800 && first <= 0xDBFF && pos + 1 < string.length) { |
|
second = string.charCodeAt(pos + 1); |
|
if (second >= 0xDC00 && second <= 0xDFFF) { |
|
// https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae |
|
return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000; |
|
} |
|
} |
|
return first; |
|
} |
|
|
|
// Determines whether block indentation indicator is required. |
|
function needIndentIndicator(string) { |
|
var leadingSpaceRe = /^\n* /; |
|
return leadingSpaceRe.test(string); |
|
} |
|
|
|
var STYLE_PLAIN = 1, |
|
STYLE_SINGLE = 2, |
|
STYLE_LITERAL = 3, |
|
STYLE_FOLDED = 4, |
|
STYLE_DOUBLE = 5; |
|
|
|
// Determines which scalar styles are possible and returns the preferred style. |
|
// lineWidth = -1 => no limit. |
|
// Pre-conditions: str.length > 0. |
|
// Post-conditions: |
|
// STYLE_PLAIN or STYLE_SINGLE => no \n are in the string. |
|
// STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1). |
|
// STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1). |
|
function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth, |
|
testAmbiguousType, quotingType, forceQuotes, inblock) { |
|
|
|
var i; |
|
var char = 0; |
|
var prevChar = null; |
|
var hasLineBreak = false; |
|
var hasFoldableLine = false; // only checked if shouldTrackWidth |
|
var shouldTrackWidth = lineWidth !== -1; |
|
var previousLineBreak = -1; // count the first line correctly |
|
var plain = isPlainSafeFirst(codePointAt(string, 0)) |
|
&& isPlainSafeLast(codePointAt(string, string.length - 1)); |
|
|
|
if (singleLineOnly || forceQuotes) { |
|
// Case: no block styles. |
|
// Check for disallowed characters to rule out plain and single. |
|
for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { |
|
char = codePointAt(string, i); |
|
if (!isPrintable(char)) { |
|
return STYLE_DOUBLE; |
|
} |
|
plain = plain && isPlainSafe(char, prevChar, inblock); |
|
prevChar = char; |
|
} |
|
} else { |
|
// Case: block styles permitted. |
|
for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { |
|
char = codePointAt(string, i); |
|
if (char === CHAR_LINE_FEED) { |
|
hasLineBreak = true; |
|
// Check if any line can be folded. |
|
if (shouldTrackWidth) { |
|
hasFoldableLine = hasFoldableLine || |
|
// Foldable line = too long, and not more-indented. |
|
(i - previousLineBreak - 1 > lineWidth && |
|
string[previousLineBreak + 1] !== ' '); |
|
previousLineBreak = i; |
|
} |
|
} else if (!isPrintable(char)) { |
|
return STYLE_DOUBLE; |
|
} |
|
plain = plain && isPlainSafe(char, prevChar, inblock); |
|
prevChar = char; |
|
} |
|
// in case the end is missing a \n |
|
hasFoldableLine = hasFoldableLine || (shouldTrackWidth && |
|
(i - previousLineBreak - 1 > lineWidth && |
|
string[previousLineBreak + 1] !== ' ')); |
|
} |
|
// Although every style can represent \n without escaping, prefer block styles |
|
// for multiline, since they're more readable and they don't add empty lines. |
|
// Also prefer folding a super-long line. |
|
if (!hasLineBreak && !hasFoldableLine) { |
|
// Strings interpretable as another type have to be quoted; |
|
// e.g. the string 'true' vs. the boolean true. |
|
if (plain && !forceQuotes && !testAmbiguousType(string)) { |
|
return STYLE_PLAIN; |
|
} |
|
return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE; |
|
} |
|
// Edge case: block indentation indicator can only have one digit. |
|
if (indentPerLevel > 9 && needIndentIndicator(string)) { |
|
return STYLE_DOUBLE; |
|
} |
|
// At this point we know block styles are valid. |
|
// Prefer literal style unless we want to fold. |
|
if (!forceQuotes) { |
|
return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL; |
|
} |
|
return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE; |
|
} |
|
|
|
// Note: line breaking/folding is implemented for only the folded style. |
|
// NB. We drop the last trailing newline (if any) of a returned block scalar |
|
// since the dumper adds its own newline. This always works: |
|
// • No ending newline => unaffected; already using strip "-" chomping. |
|
// • Ending newline => removed then restored. |
|
// Importantly, this keeps the "+" chomp indicator from gaining an extra line. |
|
function writeScalar(state, string, level, iskey, inblock) { |
|
state.dump = (function () { |
|
if (string.length === 0) { |
|
return state.quotingType === QUOTING_TYPE_DOUBLE ? '""' : "''"; |
|
} |
|
if (!state.noCompatMode) { |
|
if (DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1 || DEPRECATED_BASE60_SYNTAX.test(string)) { |
|
return state.quotingType === QUOTING_TYPE_DOUBLE ? ('"' + string + '"') : ("'" + string + "'"); |
|
} |
|
} |
|
|
|
var indent = state.indent * Math.max(1, level); // no 0-indent scalars |
|
// As indentation gets deeper, let the width decrease monotonically |
|
// to the lower bound min(state.lineWidth, 40). |
|
// Note that this implies |
|
// state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound. |
|
// state.lineWidth > 40 + state.indent: width decreases until the lower bound. |
|
// This behaves better than a constant minimum width which disallows narrower options, |
|
// or an indent threshold which causes the width to suddenly increase. |
|
var lineWidth = state.lineWidth === -1 |
|
? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent); |
|
|
|
// Without knowing if keys are implicit/explicit, assume implicit for safety. |
|
var singleLineOnly = iskey |
|
// No block styles in flow mode. |
|
|| (state.flowLevel > -1 && level >= state.flowLevel); |
|
function testAmbiguity(string) { |
|
return testImplicitResolving(state, string); |
|
} |
|
|
|
switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth, |
|
testAmbiguity, state.quotingType, state.forceQuotes && !iskey, inblock)) { |
|
|
|
case STYLE_PLAIN: |
|
return string; |
|
case STYLE_SINGLE: |
|
return "'" + string.replace(/'/g, "''") + "'"; |
|
case STYLE_LITERAL: |
|
return '|' + blockHeader(string, state.indent) |
|
+ dropEndingNewline(indentString(string, indent)); |
|
case STYLE_FOLDED: |
|
return '>' + blockHeader(string, state.indent) |
|
+ dropEndingNewline(indentString(foldString(string, lineWidth), indent)); |
|
case STYLE_DOUBLE: |
|
return '"' + escapeString(string) + '"'; |
|
default: |
|
throw new exception('impossible error: invalid scalar style'); |
|
} |
|
}()); |
|
} |
|
|
|
// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9. |
|
function blockHeader(string, indentPerLevel) { |
|
var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : ''; |
|
|
|
// note the special case: the string '\n' counts as a "trailing" empty line. |
|
var clip = string[string.length - 1] === '\n'; |
|
var keep = clip && (string[string.length - 2] === '\n' || string === '\n'); |
|
var chomp = keep ? '+' : (clip ? '' : '-'); |
|
|
|
return indentIndicator + chomp + '\n'; |
|
} |
|
|
|
// (See the note for writeScalar.) |
|
function dropEndingNewline(string) { |
|
return string[string.length - 1] === '\n' ? string.slice(0, -1) : string; |
|
} |
|
|
|
// Note: a long line without a suitable break point will exceed the width limit. |
|
// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0. |
|
function foldString(string, width) { |
|
// In folded style, $k$ consecutive newlines output as $k+1$ newlines— |
|
// unless they're before or after a more-indented line, or at the very |
|
// beginning or end, in which case $k$ maps to $k$. |
|
// Therefore, parse each chunk as newline(s) followed by a content line. |
|
var lineRe = /(\n+)([^\n]*)/g; |
|
|
|
// first line (possibly an empty line) |
|
var result = (function () { |
|
var nextLF = string.indexOf('\n'); |
|
nextLF = nextLF !== -1 ? nextLF : string.length; |
|
lineRe.lastIndex = nextLF; |
|
return foldLine(string.slice(0, nextLF), width); |
|
}()); |
|
// If we haven't reached the first content line yet, don't add an extra \n. |
|
var prevMoreIndented = string[0] === '\n' || string[0] === ' '; |
|
var moreIndented; |
|
|
|
// rest of the lines |
|
var match; |
|
while ((match = lineRe.exec(string))) { |
|
var prefix = match[1], line = match[2]; |
|
moreIndented = (line[0] === ' '); |
|
result += prefix |
|
+ (!prevMoreIndented && !moreIndented && line !== '' |
|
? '\n' : '') |
|
+ foldLine(line, width); |
|
prevMoreIndented = moreIndented; |
|
} |
|
|
|
return result; |
|
} |
|
|
|
// Greedy line breaking. |
|
// Picks the longest line under the limit each time, |
|
// otherwise settles for the shortest line over the limit. |
|
// NB. More-indented lines *cannot* be folded, as that would add an extra \n. |
|
function foldLine(line, width) { |
|
if (line === '' || line[0] === ' ') return line; |
|
|
|
// Since a more-indented line adds a \n, breaks can't be followed by a space. |
|
var breakRe = / [^ ]/g; // note: the match index will always be <= length-2. |
|
var match; |
|
// start is an inclusive index. end, curr, and next are exclusive. |
|
var start = 0, end, curr = 0, next = 0; |
|
var result = ''; |
|
|
|
// Invariants: 0 <= start <= length-1. |
|
// 0 <= curr <= next <= max(0, length-2). curr - start <= width. |
|
// Inside the loop: |
|
// A match implies length >= 2, so curr and next are <= length-2. |
|
while ((match = breakRe.exec(line))) { |
|
next = match.index; |
|
// maintain invariant: curr - start <= width |
|
if (next - start > width) { |
|
end = (curr > start) ? curr : next; // derive end <= length-2 |
|
result += '\n' + line.slice(start, end); |
|
// skip the space that was output as \n |
|
start = end + 1; // derive start <= length-1 |
|
} |
|
curr = next; |
|
} |
|
|
|
// By the invariants, start <= length-1, so there is something left over. |
|
// It is either the whole string or a part starting from non-whitespace. |
|
result += '\n'; |
|
// Insert a break if the remainder is too long and there is a break available. |
|
if (line.length - start > width && curr > start) { |
|
result += line.slice(start, curr) + '\n' + line.slice(curr + 1); |
|
} else { |
|
result += line.slice(start); |
|
} |
|
|
|
return result.slice(1); // drop extra \n joiner |
|
} |
|
|
|
// Escapes a double-quoted string. |
|
function escapeString(string) { |
|
var result = ''; |
|
var char = 0; |
|
var escapeSeq; |
|
|
|
for (var i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { |
|
char = codePointAt(string, i); |
|
escapeSeq = ESCAPE_SEQUENCES[char]; |
|
|
|
if (!escapeSeq && isPrintable(char)) { |
|
result += string[i]; |
|
if (char >= 0x10000) result += string[i + 1]; |
|
} else { |
|
result += escapeSeq || encodeHex(char); |
|
} |
|
} |
|
|
|
return result; |
|
} |
|
|
|
function writeFlowSequence(state, level, object) { |
|
var _result = '', |
|
_tag = state.tag, |
|
index, |
|
length, |
|
value; |
|
|
|
for (index = 0, length = object.length; index < length; index += 1) { |
|
value = object[index]; |
|
|
|
if (state.replacer) { |
|
value = state.replacer.call(object, String(index), value); |
|
} |
|
|
|
// Write only valid elements, put null instead of invalid elements. |
|
if (writeNode(state, level, value, false, false) || |
|
(typeof value === 'undefined' && |
|
writeNode(state, level, null, false, false))) { |
|
|
|
if (_result !== '') _result += ',' + (!state.condenseFlow ? ' ' : ''); |
|
_result += state.dump; |
|
} |
|
} |
|
|
|
state.tag = _tag; |
|
state.dump = '[' + _result + ']'; |
|
} |
|
|
|
function writeBlockSequence(state, level, object, compact) { |
|
var _result = '', |
|
_tag = state.tag, |
|
index, |
|
length, |
|
value; |
|
|
|
for (index = 0, length = object.length; index < length; index += 1) { |
|
value = object[index]; |
|
|
|
if (state.replacer) { |
|
value = state.replacer.call(object, String(index), value); |
|
} |
|
|
|
// Write only valid elements, put null instead of invalid elements. |
|
if (writeNode(state, level + 1, value, true, true, false, true) || |
|
(typeof value === 'undefined' && |
|
writeNode(state, level + 1, null, true, true, false, true))) { |
|
|
|
if (!compact || _result !== '') { |
|
_result += generateNextLine(state, level); |
|
} |
|
|
|
if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { |
|
_result += '-'; |
|
} else { |
|
_result += '- '; |
|
} |
|
|
|
_result += state.dump; |
|
} |
|
} |
|
|
|
state.tag = _tag; |
|
state.dump = _result || '[]'; // Empty sequence if no valid values. |
|
} |
|
|
|
function writeFlowMapping(state, level, object) { |
|
var _result = '', |
|
_tag = state.tag, |
|
objectKeyList = Object.keys(object), |
|
index, |
|
length, |
|
objectKey, |
|
objectValue, |
|
pairBuffer; |
|
|
|
for (index = 0, length = objectKeyList.length; index < length; index += 1) { |
|
|
|
pairBuffer = ''; |
|
if (_result !== '') pairBuffer += ', '; |
|
|
|
if (state.condenseFlow) pairBuffer += '"'; |
|
|
|
objectKey = objectKeyList[index]; |
|
objectValue = object[objectKey]; |
|
|
|
if (state.replacer) { |
|
objectValue = state.replacer.call(object, objectKey, objectValue); |
|
} |
|
|
|
if (!writeNode(state, level, objectKey, false, false)) { |
|
continue; // Skip this pair because of invalid key; |
|
} |
|
|
|
if (state.dump.length > 1024) pairBuffer += '? '; |
|
|
|
pairBuffer += state.dump + (state.condenseFlow ? '"' : '') + ':' + (state.condenseFlow ? '' : ' '); |
|
|
|
if (!writeNode(state, level, objectValue, false, false)) { |
|
continue; // Skip this pair because of invalid value. |
|
} |
|
|
|
pairBuffer += state.dump; |
|
|
|
// Both key and value are valid. |
|
_result += pairBuffer; |
|
} |
|
|
|
state.tag = _tag; |
|
state.dump = '{' + _result + '}'; |
|
} |
|
|
|
function writeBlockMapping(state, level, object, compact) { |
|
var _result = '', |
|
_tag = state.tag, |
|
objectKeyList = Object.keys(object), |
|
index, |
|
length, |
|
objectKey, |
|
objectValue, |
|
explicitPair, |
|
pairBuffer; |
|
|
|
// Allow sorting keys so that the output file is deterministic |
|
if (state.sortKeys === true) { |
|
// Default sorting |
|
objectKeyList.sort(); |
|
} else if (typeof state.sortKeys === 'function') { |
|
// Custom sort function |
|
objectKeyList.sort(state.sortKeys); |
|
} else if (state.sortKeys) { |
|
// Something is wrong |
|
throw new exception('sortKeys must be a boolean or a function'); |
|
} |
|
|
|
for (index = 0, length = objectKeyList.length; index < length; index += 1) { |
|
pairBuffer = ''; |
|
|
|
if (!compact || _result !== '') { |
|
pairBuffer += generateNextLine(state, level); |
|
} |
|
|
|
objectKey = objectKeyList[index]; |
|
objectValue = object[objectKey]; |
|
|
|
if (state.replacer) { |
|
objectValue = state.replacer.call(object, objectKey, objectValue); |
|
} |
|
|
|
if (!writeNode(state, level + 1, objectKey, true, true, true)) { |
|
continue; // Skip this pair because of invalid key. |
|
} |
|
|
|
explicitPair = (state.tag !== null && state.tag !== '?') || |
|
(state.dump && state.dump.length > 1024); |
|
|
|
if (explicitPair) { |
|
if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { |
|
pairBuffer += '?'; |
|
} else { |
|
pairBuffer += '? '; |
|
} |
|
} |
|
|
|
pairBuffer += state.dump; |
|
|
|
if (explicitPair) { |
|
pairBuffer += generateNextLine(state, level); |
|
} |
|
|
|
if (!writeNode(state, level + 1, objectValue, true, explicitPair)) { |
|
continue; // Skip this pair because of invalid value. |
|
} |
|
|
|
if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { |
|
pairBuffer += ':'; |
|
} else { |
|
pairBuffer += ': '; |
|
} |
|
|
|
pairBuffer += state.dump; |
|
|
|
// Both key and value are valid. |
|
_result += pairBuffer; |
|
} |
|
|
|
state.tag = _tag; |
|
state.dump = _result || '{}'; // Empty mapping if no valid pairs. |
|
} |
|
|
|
function detectType(state, object, explicit) { |
|
var _result, typeList, index, length, type, style; |
|
|
|
typeList = explicit ? state.explicitTypes : state.implicitTypes; |
|
|
|
for (index = 0, length = typeList.length; index < length; index += 1) { |
|
type = typeList[index]; |
|
|
|
if ((type.instanceOf || type.predicate) && |
|
(!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) && |
|
(!type.predicate || type.predicate(object))) { |
|
|
|
if (explicit) { |
|
if (type.multi && type.representName) { |
|
state.tag = type.representName(object); |
|
} else { |
|
state.tag = type.tag; |
|
} |
|
} else { |
|
state.tag = '?'; |
|
} |
|
|
|
if (type.represent) { |
|
style = state.styleMap[type.tag] || type.defaultStyle; |
|
|
|
if (_toString.call(type.represent) === '[object Function]') { |
|
_result = type.represent(object, style); |
|
} else if (_hasOwnProperty.call(type.represent, style)) { |
|
_result = type.represent[style](object, style); |
|
} else { |
|
throw new exception('!<' + type.tag + '> tag resolver accepts not "' + style + '" style'); |
|
} |
|
|
|
state.dump = _result; |
|
} |
|
|
|
return true; |
|
} |
|
} |
|
|
|
return false; |
|
} |
|
|
|
// Serializes `object` and writes it to global `result`. |
|
// Returns true on success, or false on invalid object. |
|
// |
|
function writeNode(state, level, object, block, compact, iskey, isblockseq) { |
|
state.tag = null; |
|
state.dump = object; |
|
|
|
if (!detectType(state, object, false)) { |
|
detectType(state, object, true); |
|
} |
|
|
|
var type = _toString.call(state.dump); |
|
var inblock = block; |
|
var tagStr; |
|
|
|
if (block) { |
|
block = (state.flowLevel < 0 || state.flowLevel > level); |
|
} |
|
|
|
var objectOrArray = type === '[object Object]' || type === '[object Array]', |
|
duplicateIndex, |
|
duplicate; |
|
|
|
if (objectOrArray) { |
|
duplicateIndex = state.duplicates.indexOf(object); |
|
duplicate = duplicateIndex !== -1; |
|
} |
|
|
|
if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) { |
|
compact = false; |
|
} |
|
|
|
if (duplicate && state.usedDuplicates[duplicateIndex]) { |
|
state.dump = '*ref_' + duplicateIndex; |
|
} else { |
|
if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) { |
|
state.usedDuplicates[duplicateIndex] = true; |
|
} |
|
if (type === '[object Object]') { |
|
if (block && (Object.keys(state.dump).length !== 0)) { |
|
writeBlockMapping(state, level, state.dump, compact); |
|
if (duplicate) { |
|
state.dump = '&ref_' + duplicateIndex + state.dump; |
|
} |
|
} else { |
|
writeFlowMapping(state, level, state.dump); |
|
if (duplicate) { |
|
state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; |
|
} |
|
} |
|
} else if (type === '[object Array]') { |
|
if (block && (state.dump.length !== 0)) { |
|
if (state.noArrayIndent && !isblockseq && level > 0) { |
|
writeBlockSequence(state, level - 1, state.dump, compact); |
|
} else { |
|
writeBlockSequence(state, level, state.dump, compact); |
|
} |
|
if (duplicate) { |
|
state.dump = '&ref_' + duplicateIndex + state.dump; |
|
} |
|
} else { |
|
writeFlowSequence(state, level, state.dump); |
|
if (duplicate) { |
|
state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; |
|
} |
|
} |
|
} else if (type === '[object String]') { |
|
if (state.tag !== '?') { |
|
writeScalar(state, state.dump, level, iskey, inblock); |
|
} |
|
} else if (type === '[object Undefined]') { |
|
return false; |
|
} else { |
|
if (state.skipInvalid) return false; |
|
throw new exception('unacceptable kind of an object to dump ' + type); |
|
} |
|
|
|
if (state.tag !== null && state.tag !== '?') { |
|
// Need to encode all characters except those allowed by the spec: |
|
// |
|
// [35] ns-dec-digit ::= [#x30-#x39] /* 0-9 */ |
|
// [36] ns-hex-digit ::= ns-dec-digit |
|
// | [#x41-#x46] /* A-F */ | [#x61-#x66] /* a-f */ |
|
// [37] ns-ascii-letter ::= [#x41-#x5A] /* A-Z */ | [#x61-#x7A] /* a-z */ |
|
// [38] ns-word-char ::= ns-dec-digit | ns-ascii-letter | “-” |
|
// [39] ns-uri-char ::= “%” ns-hex-digit ns-hex-digit | ns-word-char | “#” |
|
// | “;” | “/” | “?” | “:” | “@” | “&” | “=” | “+” | “$” | “,” |
|
// | “_” | “.” | “!” | “~” | “*” | “'” | “(” | “)” | “[” | “]” |
|
// |
|
// Also need to encode '!' because it has special meaning (end of tag prefix). |
|
// |
|
tagStr = encodeURI( |
|
state.tag[0] === '!' ? state.tag.slice(1) : state.tag |
|
).replace(/!/g, '%21'); |
|
|
|
if (state.tag[0] === '!') { |
|
tagStr = '!' + tagStr; |
|
} else if (tagStr.slice(0, 18) === 'tag:yaml.org,2002:') { |
|
tagStr = '!!' + tagStr.slice(18); |
|
} else { |
|
tagStr = '!<' + tagStr + '>'; |
|
} |
|
|
|
state.dump = tagStr + ' ' + state.dump; |
|
} |
|
} |
|
|
|
return true; |
|
} |
|
|
|
function getDuplicateReferences(object, state) { |
|
var objects = [], |
|
duplicatesIndexes = [], |
|
index, |
|
length; |
|
|
|
inspectNode(object, objects, duplicatesIndexes); |
|
|
|
for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) { |
|
state.duplicates.push(objects[duplicatesIndexes[index]]); |
|
} |
|
state.usedDuplicates = new Array(length); |
|
} |
|
|
|
function inspectNode(object, objects, duplicatesIndexes) { |
|
var objectKeyList, |
|
index, |
|
length; |
|
|
|
if (object !== null && typeof object === 'object') { |
|
index = objects.indexOf(object); |
|
if (index !== -1) { |
|
if (duplicatesIndexes.indexOf(index) === -1) { |
|
duplicatesIndexes.push(index); |
|
} |
|
} else { |
|
objects.push(object); |
|
|
|
if (Array.isArray(object)) { |
|
for (index = 0, length = object.length; index < length; index += 1) { |
|
inspectNode(object[index], objects, duplicatesIndexes); |
|
} |
|
} else { |
|
objectKeyList = Object.keys(object); |
|
|
|
for (index = 0, length = objectKeyList.length; index < length; index += 1) { |
|
inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes); |
|
} |
|
} |
|
} |
|
} |
|
} |
|
|
|
function dump$1(input, options) { |
|
options = options || {}; |
|
|
|
var state = new State(options); |
|
|
|
if (!state.noRefs) getDuplicateReferences(input, state); |
|
|
|
var value = input; |
|
|
|
if (state.replacer) { |
|
value = state.replacer.call({ '': value }, '', value); |
|
} |
|
|
|
if (writeNode(state, 0, value, true, true)) return state.dump + '\n'; |
|
|
|
return ''; |
|
} |
|
|
|
var dump_1 = dump$1; |
|
|
|
var dumper = { |
|
dump: dump_1 |
|
}; |
|
|
|
function renamed(from, to) { |
|
return function () { |
|
throw new Error('Function yaml.' + from + ' is removed in js-yaml 4. ' + |
|
'Use yaml.' + to + ' instead, which is now safe by default.'); |
|
}; |
|
} |
|
|
|
|
|
var Type = type; |
|
var Schema = schema; |
|
var FAILSAFE_SCHEMA = failsafe; |
|
var JSON_SCHEMA = json; |
|
var CORE_SCHEMA = core; |
|
var DEFAULT_SCHEMA = _default; |
|
var load = loader.load; |
|
var loadAll = loader.loadAll; |
|
var dump = dumper.dump; |
|
var YAMLException = exception; |
|
|
|
// Re-export all types in case user wants to create custom schema |
|
var types = { |
|
binary: binary, |
|
float: float, |
|
map: map, |
|
null: _null, |
|
pairs: pairs, |
|
set: set, |
|
timestamp: timestamp, |
|
bool: bool, |
|
int: int, |
|
merge: merge, |
|
omap: omap, |
|
seq: seq, |
|
str: str |
|
}; |
|
|
|
// Removed functions from JS-YAML 3.0.x |
|
var safeLoad = renamed('safeLoad', 'load'); |
|
var safeLoadAll = renamed('safeLoadAll', 'loadAll'); |
|
var safeDump = renamed('safeDump', 'dump'); |
|
|
|
var jsYaml = { |
|
Type: Type, |
|
Schema: Schema, |
|
FAILSAFE_SCHEMA: FAILSAFE_SCHEMA, |
|
JSON_SCHEMA: JSON_SCHEMA, |
|
CORE_SCHEMA: CORE_SCHEMA, |
|
DEFAULT_SCHEMA: DEFAULT_SCHEMA, |
|
load: load, |
|
loadAll: loadAll, |
|
dump: dump, |
|
YAMLException: YAMLException, |
|
types: types, |
|
safeLoad: safeLoad, |
|
safeLoadAll: safeLoadAll, |
|
safeDump: safeDump |
|
}; |
|
|
|
export default jsYaml; |
|
export { CORE_SCHEMA, DEFAULT_SCHEMA, FAILSAFE_SCHEMA, JSON_SCHEMA, Schema, Type, YAMLException, dump, load, loadAll, safeDump, safeLoad, safeLoadAll, types };
|
|
|