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File: FrontEndScripts/libs/angular/angular-message-format.js

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/** * @license AngularJS v1.4.3 * (c) 2010-2015 Google, Inc. http://angularjs.org * License: MIT */ (function(window, angular, undefined) {'use strict'; // NOTE: ADVANCED_OPTIMIZATIONS mode. // // This file is compiled with Closure compiler's ADVANCED_OPTIMIZATIONS flag! Be wary of using // constructs incompatible with that mode. var $interpolateMinErr = window['angular']['$interpolateMinErr']; var noop = window['angular']['noop'], isFunction = window['angular']['isFunction'], toJson = window['angular']['toJson']; function stringify(value) { if (value == null /* null/undefined */) { return ''; } switch (typeof value) { case 'string': return value; case 'number': return '' + value; default: return toJson(value); } } // Convert an index into the string into line/column for use in error messages // As such, this doesn't have to be efficient. function indexToLineAndColumn(text, index) { var lines = text.split(/\n/g); for (var i=0; i < lines.length; i++) { var line=lines[i]; if (index >= line.length) { index -= line.length; } else { return { line: i + 1, column: index + 1 }; } } } var PARSE_CACHE_FOR_TEXT_LITERALS = Object.create(null); function parseTextLiteral(text) { var cachedFn = PARSE_CACHE_FOR_TEXT_LITERALS[text]; if (cachedFn != null) { return cachedFn; } function parsedFn(context) { return text; } parsedFn['$$watchDelegate'] = function watchDelegate(scope, listener, objectEquality) { var unwatch = scope['$watch'](noop, function textLiteralWatcher() { if (isFunction(listener)) { listener.call(null, text, text, scope); } unwatch(); }, objectEquality); return unwatch; }; PARSE_CACHE_FOR_TEXT_LITERALS[text] = parsedFn; parsedFn['exp'] = text; // Needed to pretend to be $interpolate for tests copied from interpolateSpec.js parsedFn['expressions'] = []; // Require this to call $compile.$$addBindingInfo() which allows Protractor to find elements by binding. return parsedFn; } function subtractOffset(expressionFn, offset) { if (offset === 0) { return expressionFn; } function minusOffset(value) { return (value == void 0) ? value : value - offset; } function parsedFn(context) { return minusOffset(expressionFn(context)); } var unwatch; parsedFn['$$watchDelegate'] = function watchDelegate(scope, listener, objectEquality) { unwatch = scope['$watch'](expressionFn, function pluralExpressionWatchListener(newValue, oldValue) { if (isFunction(listener)) { listener.call(null, minusOffset(newValue), minusOffset(oldValue), scope); } }, objectEquality); return unwatch; }; return parsedFn; } // NOTE: ADVANCED_OPTIMIZATIONS mode. // // This file is compiled with Closure compiler's ADVANCED_OPTIMIZATIONS flag! Be wary of using // constructs incompatible with that mode. /* global $interpolateMinErr: false */ /* global isFunction: false */ /* global noop: false */ /** * @constructor * @private */ function MessageSelectorBase(expressionFn, choices) { var self = this; this.expressionFn = expressionFn; this.choices = choices; if (choices["other"] === void 0) { throw $interpolateMinErr('reqother', '?other? is a required option.'); } this.parsedFn = function(context) { return self.getResult(context); }; this.parsedFn['$$watchDelegate'] = function $$watchDelegate(scope, listener, objectEquality) { return self.watchDelegate(scope, listener, objectEquality); }; this.parsedFn['exp'] = expressionFn['exp']; this.parsedFn['expressions'] = expressionFn['expressions']; } MessageSelectorBase.prototype.getMessageFn = function getMessageFn(value) { return this.choices[this.categorizeValue(value)]; }; MessageSelectorBase.prototype.getResult = function getResult(context) { return this.getMessageFn(this.expressionFn(context))(context); }; MessageSelectorBase.prototype.watchDelegate = function watchDelegate(scope, listener, objectEquality) { var watchers = new MessageSelectorWatchers(this, scope, listener, objectEquality); return function() { watchers.cancelWatch(); }; }; /** * @constructor * @private */ function MessageSelectorWatchers(msgSelector, scope, listener, objectEquality) { var self = this; this.scope = scope; this.msgSelector = msgSelector; this.listener = listener; this.objectEquality = objectEquality; this.lastMessage = void 0; this.messageFnWatcher = noop; var expressionFnListener = function(newValue, oldValue) { return self.expressionFnListener(newValue, oldValue); }; this.expressionFnWatcher = scope['$watch'](msgSelector.expressionFn, expressionFnListener, objectEquality); } MessageSelectorWatchers.prototype.expressionFnListener = function expressionFnListener(newValue, oldValue) { var self = this; this.messageFnWatcher(); var messageFnListener = function(newMessage, oldMessage) { return self.messageFnListener(newMessage, oldMessage); }; var messageFn = this.msgSelector.getMessageFn(newValue); this.messageFnWatcher = this.scope['$watch'](messageFn, messageFnListener, this.objectEquality); }; MessageSelectorWatchers.prototype.messageFnListener = function messageFnListener(newMessage, oldMessage) { if (isFunction(this.listener)) { this.listener.call(null, newMessage, newMessage === oldMessage ? newMessage : this.lastMessage, this.scope); } this.lastMessage = newMessage; }; MessageSelectorWatchers.prototype.cancelWatch = function cancelWatch() { this.expressionFnWatcher(); this.messageFnWatcher(); }; /** * @constructor * @extends MessageSelectorBase * @private */ function SelectMessage(expressionFn, choices) { MessageSelectorBase.call(this, expressionFn, choices); } function SelectMessageProto() {} SelectMessageProto.prototype = MessageSelectorBase.prototype; SelectMessage.prototype = new SelectMessageProto(); SelectMessage.prototype.categorizeValue = function categorizeSelectValue(value) { return (this.choices[value] !== void 0) ? value : "other"; }; /** * @constructor * @extends MessageSelectorBase * @private */ function PluralMessage(expressionFn, choices, offset, pluralCat) { MessageSelectorBase.call(this, expressionFn, choices); this.offset = offset; this.pluralCat = pluralCat; } function PluralMessageProto() {} PluralMessageProto.prototype = MessageSelectorBase.prototype; PluralMessage.prototype = new PluralMessageProto(); PluralMessage.prototype.categorizeValue = function categorizePluralValue(value) { if (isNaN(value)) { return "other"; } else if (this.choices[value] !== void 0) { return value; } else { var category = this.pluralCat(value - this.offset); return (this.choices[category] !== void 0) ? category : "other"; } }; // NOTE: ADVANCED_OPTIMIZATIONS mode. // // This file is compiled with Closure compiler's ADVANCED_OPTIMIZATIONS flag! Be wary of using // constructs incompatible with that mode. /* global $interpolateMinErr: false */ /* global isFunction: false */ /* global parseTextLiteral: false */ /** * @constructor * @private */ function InterpolationParts(trustedContext, allOrNothing) { this.trustedContext = trustedContext; this.allOrNothing = allOrNothing; this.textParts = []; this.expressionFns = []; this.expressionIndices = []; this.partialText = ''; this.concatParts = null; } InterpolationParts.prototype.flushPartialText = function flushPartialText() { if (this.partialText) { if (this.concatParts == null) { this.textParts.push(this.partialText); } else { this.textParts.push(this.concatParts.join('')); this.concatParts = null; } this.partialText = ''; } }; InterpolationParts.prototype.addText = function addText(text) { if (text.length) { if (!this.partialText) { this.partialText = text; } else if (this.concatParts) { this.concatParts.push(text); } else { this.concatParts = [this.partialText, text]; } } }; InterpolationParts.prototype.addExpressionFn = function addExpressionFn(expressionFn) { this.flushPartialText(); this.expressionIndices.push(this.textParts.length); this.expressionFns.push(expressionFn); this.textParts.push(''); }; InterpolationParts.prototype.getExpressionValues = function getExpressionValues(context) { var expressionValues = new Array(this.expressionFns.length); for (var i = 0; i < this.expressionFns.length; i++) { expressionValues[i] = this.expressionFns[i](context); } return expressionValues; }; InterpolationParts.prototype.getResult = function getResult(expressionValues) { for (var i = 0; i < this.expressionIndices.length; i++) { var expressionValue = expressionValues[i]; if (this.allOrNothing && expressionValue === void 0) return; this.textParts[this.expressionIndices[i]] = expressionValue; } return this.textParts.join(''); }; InterpolationParts.prototype.toParsedFn = function toParsedFn(mustHaveExpression, originalText) { var self = this; this.flushPartialText(); if (mustHaveExpression && this.expressionFns.length === 0) { return void 0; } if (this.textParts.length === 0) { return parseTextLiteral(''); } if (this.trustedContext && this.textParts.length > 1) { $interpolateMinErr['throwNoconcat'](originalText); } if (this.expressionFns.length === 0) { if (this.textParts.length != 1) { this.errorInParseLogic(); } return parseTextLiteral(this.textParts[0]); } var parsedFn = function(context) { return self.getResult(self.getExpressionValues(context)); }; parsedFn['$$watchDelegate'] = function $$watchDelegate(scope, listener, objectEquality) { return self.watchDelegate(scope, listener, objectEquality); }; parsedFn['exp'] = originalText; // Needed to pretend to be $interpolate for tests copied from interpolateSpec.js parsedFn['expressions'] = new Array(this.expressionFns.length); // Require this to call $compile.$$addBindingInfo() which allows Protractor to find elements by binding. for (var i = 0; i < this.expressionFns.length; i++) { parsedFn['expressions'][i] = this.expressionFns[i]['exp']; } return parsedFn; }; InterpolationParts.prototype.watchDelegate = function watchDelegate(scope, listener, objectEquality) { var watcher = new InterpolationPartsWatcher(this, scope, listener, objectEquality); return function() { watcher.cancelWatch(); }; }; function InterpolationPartsWatcher(interpolationParts, scope, listener, objectEquality) { this.interpolationParts = interpolationParts; this.scope = scope; this.previousResult = (void 0); this.listener = listener; var self = this; this.expressionFnsWatcher = scope['$watchGroup'](interpolationParts.expressionFns, function(newExpressionValues, oldExpressionValues) { self.watchListener(newExpressionValues, oldExpressionValues); }); } InterpolationPartsWatcher.prototype.watchListener = function watchListener(newExpressionValues, oldExpressionValues) { var result = this.interpolationParts.getResult(newExpressionValues); if (isFunction(this.listener)) { this.listener.call(null, result, newExpressionValues === oldExpressionValues ? result : this.previousResult, this.scope); } this.previousResult = result; }; InterpolationPartsWatcher.prototype.cancelWatch = function cancelWatch() { this.expressionFnsWatcher(); }; // NOTE: ADVANCED_OPTIMIZATIONS mode. // // This file is compiled with Closure compiler's ADVANCED_OPTIMIZATIONS flag! Be wary of using // constructs incompatible with that mode. /* global $interpolateMinErr: false */ /* global indexToLineAndColumn: false */ /* global InterpolationParts: false */ /* global PluralMessage: false */ /* global SelectMessage: false */ /* global subtractOffset: false */ // The params src and dst are exactly one of two types: NestedParserState or MessageFormatParser. // This function is fully optimized by V8. (inspect via IRHydra or --trace-deopt.) // The idea behind writing it this way is to avoid repeating oneself. This is the ONE place where // the parser state that is saved/restored when parsing nested mustaches is specified. function copyNestedParserState(src, dst) { dst.expressionFn = src.expressionFn; dst.expressionMinusOffsetFn = src.expressionMinusOffsetFn; dst.pluralOffset = src.pluralOffset; dst.choices = src.choices; dst.choiceKey = src.choiceKey; dst.interpolationParts = src.interpolationParts; dst.ruleChoiceKeyword = src.ruleChoiceKeyword; dst.msgStartIndex = src.msgStartIndex; dst.expressionStartIndex = src.expressionStartIndex; } function NestedParserState(parser) { copyNestedParserState(parser, this); } /** * @constructor * @private */ function MessageFormatParser(text, startIndex, $parse, pluralCat, stringifier, mustHaveExpression, trustedContext, allOrNothing) { this.text = text; this.index = startIndex || 0; this.$parse = $parse; this.pluralCat = pluralCat; this.stringifier = stringifier; this.mustHaveExpression = !!mustHaveExpression; this.trustedContext = trustedContext; this.allOrNothing = !!allOrNothing; this.expressionFn = null; this.expressionMinusOffsetFn = null; this.pluralOffset = null; this.choices = null; this.choiceKey = null; this.interpolationParts = null; this.msgStartIndex = null; this.nestedStateStack = []; this.parsedFn = null; this.rule = null; this.ruleStack = null; this.ruleChoiceKeyword = null; this.interpNestLevel = null; this.expressionStartIndex = null; this.stringStartIndex = null; this.stringQuote = null; this.stringInterestsRe = null; this.angularOperatorStack = null; this.textPart = null; } // preserve v8 optimization. var EMPTY_STATE = new NestedParserState(new MessageFormatParser( /* text= */ '', /* startIndex= */ 0, /* $parse= */ null, /* pluralCat= */ null, /* stringifier= */ null, /* mustHaveExpression= */ false, /* trustedContext= */ null, /* allOrNothing */ false)); MessageFormatParser.prototype.pushState = function pushState() { this.nestedStateStack.push(new NestedParserState(this)); copyNestedParserState(EMPTY_STATE, this); }; MessageFormatParser.prototype.popState = function popState() { if (this.nestedStateStack.length === 0) { this.errorInParseLogic(); } var previousState = this.nestedStateStack.pop(); copyNestedParserState(previousState, this); }; // Oh my JavaScript! Who knew you couldn't match a regex at a specific // location in a string but will always search forward?! // Apparently you'll be growing this ability via the sticky flag (y) in // ES6. I'll just to work around you for now. MessageFormatParser.prototype.matchRe = function matchRe(re, search) { re.lastIndex = this.index; var match = re.exec(this.text); if (match != null && (search === true || (match.index == this.index))) { this.index = re.lastIndex; return match; } return null; }; MessageFormatParser.prototype.searchRe = function searchRe(re) { return this.matchRe(re, true); }; MessageFormatParser.prototype.consumeRe = function consumeRe(re) { // Without the sticky flag, we can't use the .test() method to consume a // match at the current index. Instead, we'll use the slower .exec() method // and verify match.index. return !!this.matchRe(re); }; // Run through our grammar avoiding deeply nested function call chains. MessageFormatParser.prototype.run = function run(initialRule) { this.ruleStack = [initialRule]; do { this.rule = this.ruleStack.pop(); while (this.rule) { this.rule(); } this.assertRuleOrNull(this.rule); } while (this.ruleStack.length > 0); }; MessageFormatParser.prototype.errorInParseLogic = function errorInParseLogic() { throw $interpolateMinErr('logicbug', 'The messageformat parser has encountered an internal error. Please file a github issue against the AngularJS project and provide this message text that triggers the bug. Text: ?{0}?', this.text); }; MessageFormatParser.prototype.assertRuleOrNull = function assertRuleOrNull(rule) { if (rule === void 0) { this.errorInParseLogic(); } }; var NEXT_WORD_RE = /\s*(\w+)\s*/g; MessageFormatParser.prototype.errorExpecting = function errorExpecting() { // What was wrong with the syntax? Unsupported type, missing comma, or something else? var match = this.matchRe(NEXT_WORD_RE), position; if (match == null) { position = indexToLineAndColumn(this.text, this.index); throw $interpolateMinErr('reqarg', 'Expected one of ?plural? or ?select? at line {0}, column {1} of text ?{2}?', position.line, position.column, this.text); } var word = match[1]; if (word == "select" || word == "plural") { position = indexToLineAndColumn(this.text, this.index); throw $interpolateMinErr('reqcomma', 'Expected a comma after the keyword ?{0}? at line {1}, column {2} of text ?{3}?', word, position.line, position.column, this.text); } else { position = indexToLineAndColumn(this.text, this.index); throw $interpolateMinErr('unknarg', 'Unsupported keyword ?{0}? at line {0}, column {1}. Only ?plural? and ?select? are currently supported. Text: ?{3}?', word, position.line, position.column, this.text); } }; var STRING_START_RE = /['"]/g; MessageFormatParser.prototype.ruleString = function ruleString() { var match = this.matchRe(STRING_START_RE); if (match == null) { var position = indexToLineAndColumn(this.text, this.index); throw $interpolateMinErr('wantstring', 'Expected the beginning of a string at line {0}, column {1} in text ?{2}?', position.line, position.column, this.text); } this.startStringAtMatch(match); }; MessageFormatParser.prototype.startStringAtMatch = function startStringAtMatch(match) { this.stringStartIndex = match.index; this.stringQuote = match[0]; this.stringInterestsRe = this.stringQuote == "'" ? SQUOTED_STRING_INTEREST_RE : DQUOTED_STRING_INTEREST_RE; this.rule = this.ruleInsideString; }; var SQUOTED_STRING_INTEREST_RE = /\\(?:\\|'|u[0-9A-Fa-f]{4}|x[0-9A-Fa-f]{2}|[0-7]{3}|\r\n|\n|[\s\S])|'/g; var DQUOTED_STRING_INTEREST_RE = /\\(?:\\|"|u[0-9A-Fa-f]{4}|x[0-9A-Fa-f]{2}|[0-7]{3}|\r\n|\n|[\s\S])|"/g; MessageFormatParser.prototype.ruleInsideString = function ruleInsideString() { var match = this.searchRe(this.stringInterestsRe); if (match == null) { var position = indexToLineAndColumn(this.text, this.stringStartIndex); throw $interpolateMinErr('untermstr', 'The string beginning at line {0}, column {1} is unterminated in text ?{2}?', position.line, position.column, this.text); } var chars = match[0]; if (match == this.stringQuote) { this.rule = null; } }; var PLURAL_OR_SELECT_ARG_TYPE_RE = /\s*(plural|select)\s*,\s*/g; MessageFormatParser.prototype.rulePluralOrSelect = function rulePluralOrSelect() { var match = this.searchRe(PLURAL_OR_SELECT_ARG_TYPE_RE); if (match == null) { this.errorExpecting(); } var argType = match[1]; switch (argType) { case "plural": this.rule = this.rulePluralStyle; break; case "select": this.rule = this.ruleSelectStyle; break; default: this.errorInParseLogic(); } }; MessageFormatParser.prototype.rulePluralStyle = function rulePluralStyle() { this.choices = Object.create(null); this.ruleChoiceKeyword = this.rulePluralValueOrKeyword; this.rule = this.rulePluralOffset; }; MessageFormatParser.prototype.ruleSelectStyle = function ruleSelectStyle() { this.choices = Object.create(null); this.ruleChoiceKeyword = this.ruleSelectKeyword; this.rule = this.ruleSelectKeyword; }; var NUMBER_RE = /[0]|(?:[1-9][0-9]*)/g; var PLURAL_OFFSET_RE = new RegExp("\\s*offset\\s*:\\s*(" + NUMBER_RE.source + ")", "g"); MessageFormatParser.prototype.rulePluralOffset = function rulePluralOffset() { var match = this.matchRe(PLURAL_OFFSET_RE); this.pluralOffset = (match == null) ? 0 : parseInt(match[1], 10); this.expressionMinusOffsetFn = subtractOffset(this.expressionFn, this.pluralOffset); this.rule = this.rulePluralValueOrKeyword; }; MessageFormatParser.prototype.assertChoiceKeyIsNew = function assertChoiceKeyIsNew(choiceKey, index) { if (this.choices[choiceKey] !== void 0) { var position = indexToLineAndColumn(this.text, index); throw $interpolateMinErr('dupvalue', 'The choice ?{0}? is specified more than once. Duplicate key is at line {1}, column {2} in text ?{3}?', choiceKey, position.line, position.column, this.text); } }; var SELECT_KEYWORD = /\s*(\w+)/g; MessageFormatParser.prototype.ruleSelectKeyword = function ruleSelectKeyword() { var match = this.matchRe(SELECT_KEYWORD); if (match == null) { this.parsedFn = new SelectMessage(this.expressionFn, this.choices).parsedFn; this.rule = null; return; } this.choiceKey = match[1]; this.assertChoiceKeyIsNew(this.choiceKey, match.index); this.rule = this.ruleMessageText; }; var EXPLICIT_VALUE_OR_KEYWORD_RE = new RegExp("\\s*(?:(?:=(" + NUMBER_RE.source + "))|(\\w+))", "g"); MessageFormatParser.prototype.rulePluralValueOrKeyword = function rulePluralValueOrKeyword() { var match = this.matchRe(EXPLICIT_VALUE_OR_KEYWORD_RE); if (match == null) { this.parsedFn = new PluralMessage(this.expressionFn, this.choices, this.pluralOffset, this.pluralCat).parsedFn; this.rule = null; return; } if (match[1] != null) { this.choiceKey = parseInt(match[1], 10); } else { this.choiceKey = match[2]; } this.assertChoiceKeyIsNew(this.choiceKey, match.index); this.rule = this.ruleMessageText; }; var BRACE_OPEN_RE = /\s*{/g; var BRACE_CLOSE_RE = /}/g; MessageFormatParser.prototype.ruleMessageText = function ruleMessageText() { if (!this.consumeRe(BRACE_OPEN_RE)) { var position = indexToLineAndColumn(this.text, this.index); throw $interpolateMinErr('reqopenbrace', 'The plural choice ?{0}? must be followed by a message in braces at line {1}, column {2} in text ?{3}?', this.choiceKey, position.line, position.column, this.text); } this.msgStartIndex = this.index; this.interpolationParts = new InterpolationParts(this.trustedContext, this.allOrNothing); this.rule = this.ruleInInterpolationOrMessageText; }; // Note: Since "\" is used as an escape character, don't allow it to be part of the // startSymbol/endSymbol when I add the feature to allow them to be redefined. var INTERP_OR_END_MESSAGE_RE = /\\.|{{|}/g; var INTERP_OR_PLURALVALUE_OR_END_MESSAGE_RE = /\\.|{{|#|}/g; var ESCAPE_OR_MUSTACHE_BEGIN_RE = /\\.|{{/g; MessageFormatParser.prototype.advanceInInterpolationOrMessageText = function advanceInInterpolationOrMessageText() { var currentIndex = this.index, match, re; if (this.ruleChoiceKeyword == null) { // interpolation match = this.searchRe(ESCAPE_OR_MUSTACHE_BEGIN_RE); if (match == null) { // End of interpolation text. Nothing more to process. this.textPart = this.text.substring(currentIndex); this.index = this.text.length; return null; } } else { match = this.searchRe(this.ruleChoiceKeyword == this.rulePluralValueOrKeyword ? INTERP_OR_PLURALVALUE_OR_END_MESSAGE_RE : INTERP_OR_END_MESSAGE_RE); if (match == null) { var position = indexToLineAndColumn(this.text, this.msgStartIndex); throw $interpolateMinErr('reqendbrace', 'The plural/select choice ?{0}? message starting at line {1}, column {2} does not have an ending closing brace. Text ?{3}?', this.choiceKey, position.line, position.column, this.text); } } // match is non-null. var token = match[0]; this.textPart = this.text.substring(currentIndex, match.index); return token; }; MessageFormatParser.prototype.ruleInInterpolationOrMessageText = function ruleInInterpolationOrMessageText() { var currentIndex = this.index; var token = this.advanceInInterpolationOrMessageText(); if (token == null) { // End of interpolation text. Nothing more to process. this.index = this.text.length; this.interpolationParts.addText(this.text.substring(currentIndex)); this.rule = null; return; } if (token[0] == "\\") { // unescape next character and continue this.interpolationParts.addText(this.textPart + token[1]); return; } this.interpolationParts.addText(this.textPart); if (token == "{{") { this.pushState(); this.ruleStack.push(this.ruleEndMustacheInInterpolationOrMessage); this.rule = this.ruleEnteredMustache; } else if (token == "}") { this.choices[this.choiceKey] = this.interpolationParts.toParsedFn(/*mustHaveExpression=*/false, this.text); this.rule = this.ruleChoiceKeyword; } else if (token == "#") { this.interpolationParts.addExpressionFn(this.expressionMinusOffsetFn); } else { this.errorInParseLogic(); } }; MessageFormatParser.prototype.ruleInterpolate = function ruleInterpolate() { this.interpolationParts = new InterpolationParts(this.trustedContext, this.allOrNothing); this.rule = this.ruleInInterpolation; }; MessageFormatParser.prototype.ruleInInterpolation = function ruleInInterpolation() { var currentIndex = this.index; var match = this.searchRe(ESCAPE_OR_MUSTACHE_BEGIN_RE); if (match == null) { // End of interpolation text. Nothing more to process. this.index = this.text.length; this.interpolationParts.addText(this.text.substring(currentIndex)); this.parsedFn = this.interpolationParts.toParsedFn(this.mustHaveExpression, this.text); this.rule = null; return; } var token = match[0]; if (token[0] == "\\") { // unescape next character and continue this.interpolationParts.addText(this.text.substring(currentIndex, match.index) + token[1]); return; } this.interpolationParts.addText(this.text.substring(currentIndex, match.index)); this.pushState(); this.ruleStack.push(this.ruleInterpolationEndMustache); this.rule = this.ruleEnteredMustache; }; MessageFormatParser.prototype.ruleInterpolationEndMustache = function ruleInterpolationEndMustache() { var expressionFn = this.parsedFn; this.popState(); this.interpolationParts.addExpressionFn(expressionFn); this.rule = this.ruleInInterpolation; }; MessageFormatParser.prototype.ruleEnteredMustache = function ruleEnteredMustache() { this.parsedFn = null; this.ruleStack.push(this.ruleEndMustache); this.rule = this.ruleAngularExpression; }; MessageFormatParser.prototype.ruleEndMustacheInInterpolationOrMessage = function ruleEndMustacheInInterpolationOrMessage() { var expressionFn = this.parsedFn; this.popState(); this.interpolationParts.addExpressionFn(expressionFn); this.rule = this.ruleInInterpolationOrMessageText; }; var INTERP_END_RE = /\s*}}/g; MessageFormatParser.prototype.ruleEndMustache = function ruleEndMustache() { var match = this.matchRe(INTERP_END_RE); if (match == null) { var position = indexToLineAndColumn(this.text, this.index); throw $interpolateMinErr('reqendinterp', 'Expecting end of interpolation symbol, ?{0}?, at line {1}, column {2} in text ?{3}?', '}}', position.line, position.column, this.text); } if (this.parsedFn == null) { // If we parsed a MessageFormat extension, (e.g. select/plural today, maybe more some other // day), then the result *has* to be a string and those rules would have already set // this.parsedFn. If there was no MessageFormat extension, then there is no requirement to // stringify the result and parsedFn isn't set. We set it here. While we could have set it // unconditionally when exiting the Angular expression, I intend for us to not just replace // $interpolate, but also to replace $parse in a future version (so ng-bind can work), and in // such a case we do not want to unnecessarily stringify something if it's not going to be used // in a string context. this.parsedFn = this.$parse(this.expressionFn, this.stringifier); this.parsedFn['exp'] = this.expressionFn['exp']; // Needed to pretend to be $interpolate for tests copied from interpolateSpec.js this.parsedFn['expressions'] = this.expressionFn['expressions']; // Require this to call $compile.$$addBindingInfo() which allows Protractor to find elements by binding. } this.rule = null; }; MessageFormatParser.prototype.ruleAngularExpression = function ruleAngularExpression() { this.angularOperatorStack = []; this.expressionStartIndex = this.index; this.rule = this.ruleInAngularExpression; }; function getEndOperator(opBegin) { switch (opBegin) { case "{": return "}"; case "[": return "]"; case "(": return ")"; default: return null; } } function getBeginOperator(opEnd) { switch (opEnd) { case "}": return "{"; case "]": return "["; case ")": return "("; default: return null; } } // TODO(chirayu): The interpolation endSymbol must also be accounted for. It // just so happens that "}" is an operator so it's in the list below. But we // should support any other type of start/end interpolation symbol. var INTERESTING_OPERATORS_RE = /[[\]{}()'",]/g; MessageFormatParser.prototype.ruleInAngularExpression = function ruleInAngularExpression() { var startIndex = this.index; var match = this.searchRe(INTERESTING_OPERATORS_RE); var position; if (match == null) { if (this.angularOperatorStack.length === 0) { // This is the end of the Angular expression so this is actually a // success. Note that when inside an interpolation, this means we even // consumed the closing interpolation symbols if they were curlies. This // is NOT an error at this point but will become an error further up the // stack when the part that saw the opening curlies is unable to find the // closing ones. this.index = this.text.length; this.expressionFn = this.$parse(this.text.substring(this.expressionStartIndex, this.index)); // Needed to pretend to be $interpolate for tests copied from interpolateSpec.js this.expressionFn['exp'] = this.text.substring(this.expressionStartIndex, this.index); this.expressionFn['expressions'] = this.expressionFn['expressions']; this.rule = null; return; } var innermostOperator = this.angularOperatorStack[0]; throw $interpolateMinErr('badexpr', 'Unexpected end of Angular expression. Expecting operator ?{0}? at the end of the text ?{1}?', this.getEndOperator(innermostOperator), this.text); } var operator = match[0]; if (operator == "'" || operator == '"') { this.ruleStack.push(this.ruleInAngularExpression); this.startStringAtMatch(match); return; } if (operator == ",") { if (this.trustedContext) { position = indexToLineAndColumn(this.text, this.index); throw $interpolateMinErr('unsafe', 'Use of select/plural MessageFormat syntax is currently disallowed in a secure context ({0}). At line {1}, column {2} of text ?{3}?', this.trustedContext, position.line, position.column, this.text); } // only the top level comma has relevance. if (this.angularOperatorStack.length === 0) { // todo: does this need to be trimmed? this.expressionFn = this.$parse(this.text.substring(this.expressionStartIndex, match.index)); // Needed to pretend to be $interpolate for tests copied from interpolateSpec.js this.expressionFn['exp'] = this.text.substring(this.expressionStartIndex, match.index); this.expressionFn['expressions'] = this.expressionFn['expressions']; this.rule = null; this.rule = this.rulePluralOrSelect; } return; } if (getEndOperator(operator) != null) { this.angularOperatorStack.unshift(operator); return; } var beginOperator = getBeginOperator(operator); if (beginOperator == null) { this.errorInParseLogic(); } if (this.angularOperatorStack.length > 0) { if (beginOperator == this.angularOperatorStack[0]) { this.angularOperatorStack.shift(); return; } position = indexToLineAndColumn(this.text, this.index); throw $interpolateMinErr('badexpr', 'Unexpected operator ?{0}? at line {1}, column {2} in text. Was expecting ?{3}?. Text: ?{4}?', operator, position.line, position.column, getEndOperator(this.angularOperatorStack[0]), this.text); } // We are trying to pop off the operator stack but there really isn't anything to pop off. this.index = match.index; this.expressionFn = this.$parse(this.text.substring(this.expressionStartIndex, this.index)); // Needed to pretend to be $interpolate for tests copied from interpolateSpec.js this.expressionFn['exp'] = this.text.substring(this.expressionStartIndex, this.index); this.expressionFn['expressions'] = this.expressionFn['expressions']; this.rule = null; }; // NOTE: ADVANCED_OPTIMIZATIONS mode. // // This file is compiled with Closure compiler's ADVANCED_OPTIMIZATIONS flag! Be wary of using // constructs incompatible with that mode. /* global $interpolateMinErr: false */ /* global MessageFormatParser: false */ /* global stringify: false */ /** * @ngdoc service * @name $$messageFormat * * @description * Angular internal service to recognize MessageFormat extensions in interpolation expressions. * For more information, see: * https://docs.google.com/a/google.com/document/d/1pbtW2yvtmFBikfRrJd8VAsabiFkKezmYZ_PbgdjQOVU/edit * * ## Example * * <example name="ngMessageFormat-example" module="msgFmtExample" deps="angular-message-format.min.js"> * <file name="index.html"> * <div ng-controller="AppController"> * <button ng-click="decreaseRecipients()" id="decreaseRecipients">decreaseRecipients</button><br> * <span>{{recipients.length, plural, offset:1 * =0 {{{sender.name}} gave no gifts (\#=#)} * =1 {{{sender.name}} gave one gift to {{recipients[0].name}} (\#=#)} * one {{{sender.name}} gave {{recipients[0].name}} and one other person a gift (\#=#)} * other {{{sender.name}} gave {{recipients[0].name}} and # other people a gift (\#=#)} * }}</span> * </div> * </file> * * <file name="script.js"> * function Person(name, gender) { * this.name = name; * this.gender = gender; * } * * var alice = new Person("Alice", "female"), * bob = new Person("Bob", "male"), * charlie = new Person("Charlie", "male"), * harry = new Person("Harry Potter", "male"); * * angular.module('msgFmtExample', ['ngMessageFormat']) * .controller('AppController', ['$scope', function($scope) { * $scope.recipients = [alice, bob, charlie]; * $scope.sender = harry; * $scope.decreaseRecipients = function() { * --$scope.recipients.length; * }; * }]); * </file> * * <file name="protractor.js" type="protractor"> * describe('MessageFormat plural', function() { * it('should pluralize initial values', function() { * var messageElem = element(by.binding('recipients.length')), decreaseRecipientsBtn = element(by.id('decreaseRecipients')); * expect(messageElem.getText()).toEqual('Harry Potter gave Alice and 2 other people a gift (#=2)'); * decreaseRecipientsBtn.click(); * expect(messageElem.getText()).toEqual('Harry Potter gave Alice and one other person a gift (#=1)'); * decreaseRecipientsBtn.click(); * expect(messageElem.getText()).toEqual('Harry Potter gave one gift to Alice (#=0)'); * decreaseRecipientsBtn.click(); * expect(messageElem.getText()).toEqual('Harry Potter gave no gifts (#=-1)'); * }); * }); * </file> * </example> */ var $$MessageFormatFactory = ['$parse', '$locale', '$sce', '$exceptionHandler', function $$messageFormat( $parse, $locale, $sce, $exceptionHandler) { function getStringifier(trustedContext, allOrNothing, text) { return function stringifier(value) { try { value = trustedContext ? $sce['getTrusted'](trustedContext, value) : $sce['valueOf'](value); return allOrNothing && (value === void 0) ? value : stringify(value); } catch (err) { $exceptionHandler($interpolateMinErr['interr'](text, err)); } }; } function interpolate(text, mustHaveExpression, trustedContext, allOrNothing) { var stringifier = getStringifier(trustedContext, allOrNothing, text); var parser = new MessageFormatParser(text, 0, $parse, $locale['pluralCat'], stringifier, mustHaveExpression, trustedContext, allOrNothing); parser.run(parser.ruleInterpolate); return parser.parsedFn; } return { 'interpolate': interpolate }; }]; var $$interpolateDecorator = ['$$messageFormat', '$delegate', function $$interpolateDecorator($$messageFormat, $interpolate) { if ($interpolate['startSymbol']() != "{{" || $interpolate['endSymbol']() != "}}") { throw $interpolateMinErr('nochgmustache', 'angular-message-format.js currently does not allow you to use custom start and end symbols for interpolation.'); } var interpolate = $$messageFormat['interpolate']; interpolate['startSymbol'] = $interpolate['startSymbol']; interpolate['endSymbol'] = $interpolate['endSymbol']; return interpolate; }]; /** * @ngdoc module * @name ngMessageFormat * @packageName angular-message-format * @description */ var module = window['angular']['module']('ngMessageFormat', ['ng']); module['factory']('$$messageFormat', $$MessageFormatFactory); module['config'](['$provide', function($provide) { $provide['decorator']('$interpolate', $$interpolateDecorator); }]); })(window, window.angular);