mirror of https://github.com/node-red/node-red.git
370 lines
17 KiB
JavaScript
370 lines
17 KiB
JavaScript
/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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RED.utils = (function() {
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function formatString(str) {
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return str.replace(/\r?\n/g,"↵").replace(/\t/g,"→");
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}
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function sanitize(m) {
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return m.replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">");
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}
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function buildMessageSummaryValue(value) {
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var result;
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if (Array.isArray(value)) {
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result = $('<span class="debug-message-object-value debug-message-type-meta"></span>').html('array['+value.length+']');
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} else if (value === null) {
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result = $('<span class="debug-message-object-value debug-message-type-null">null</span>');
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} else if (typeof value === 'object') {
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if (value.hasOwnProperty('type') && value.type === 'Buffer' && value.hasOwnProperty('data')) {
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result = $('<span class="debug-message-object-value debug-message-type-meta"></span>').html('buffer['+value.data.length+']');
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} else if (value.hasOwnProperty('type') && value.type === 'array' && value.hasOwnProperty('data')) {
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result = $('<span class="debug-message-object-value debug-message-type-meta"></span>').html('array['+value.length+']');
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} else {
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result = $('<span class="debug-message-object-value debug-message-type-meta">object</span>');
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}
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} else if (typeof value === 'string') {
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var subvalue;
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if (value.length > 30) {
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subvalue = sanitize(value.substring(0,30))+"…";
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} else {
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subvalue = sanitize(value);
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}
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result = $('<span class="debug-message-object-value debug-message-type-string"></span>').html('"'+formatString(subvalue)+'"');
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} else {
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result = $('<span class="debug-message-object-value debug-message-type-other"></span>').text(""+value);
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}
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return result;
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}
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function makeExpandable(el,onexpand) {
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el.addClass("debug-message-expandable");
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el.click(function(e) {
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var parent = $(this).parent();
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if (parent.hasClass('collapsed')) {
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if (onexpand && !parent.hasClass('built')) {
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onexpand();
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parent.addClass('built');
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}
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parent.removeClass('collapsed');
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} else {
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parent.addClass('collapsed');
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}
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e.preventDefault();
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});
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}
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function buildMessageElement(obj,key,typeHint,hideKey) {
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var i;
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var e;
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var entryObj;
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var header;
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var headerHead;
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var value;
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var element = $('<span class="debug-message-element"></span>');
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if (!key) {
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element.addClass("debug-message-top-level");
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}
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header = $('<span></span>').appendTo(element);
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if (key && !hideKey) {
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$('<span class="debug-message-object-key"></span>').text(key).appendTo(header);
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$('<span>: </span>').appendTo(header);
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}
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entryObj = $('<span class="debug-message-object-value"></span>').appendTo(header);
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var isArray = Array.isArray(obj);
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var isArrayObject = false;
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if (obj && typeof obj === 'object' && obj.hasOwnProperty('type') && obj.hasOwnProperty('data') && ((obj.__encoded__ && obj.type === 'array') || obj.type === 'Buffer')) {
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isArray = true;
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isArrayObject = true;
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}
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if (obj === null || obj === undefined) {
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$('<span class="debug-message-type-null">'+obj+'</span>').appendTo(entryObj);
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} else if (typeof obj === 'string') {
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if (/[\t\n\r]/.test(obj)) {
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element.addClass('collapsed');
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$('<i class="fa fa-caret-right debug-message-object-handle"></i> ').prependTo(header);
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makeExpandable(header, function() {
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$('<span class="debug-message-type-meta debug-message-object-type-header"></span>').html(typeHint||'string').appendTo(header);
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var row = $('<div class="debug-message-object-entry collapsed"></div>').appendTo(element);
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$('<pre class="debug-message-type-string"></pre>').text(obj).appendTo(row);
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});
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}
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$('<span class="debug-message-type-string debug-message-object-header"></span>').html('"'+formatString(sanitize(obj))+'"').appendTo(entryObj);
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} else if (typeof obj === 'number') {
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e = $('<span class="debug-message-type-number"></span>').text(""+obj).appendTo(entryObj);
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if (Number.isInteger(obj) && (obj >= 0)) { // if it's a +ve integer
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e.addClass("debug-message-type-number-toggle");
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e.click(function(evt) {
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var format = $(this).data('format') || "date";
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if (format === 'dec') {
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$(this).text(""+obj).data('format','date');
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} else if ((format === 'date') && (obj.toString().length===13) && (obj<=2147483647000)) {
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$(this).text((new Date(obj)).toISOString()).data('format','hex');
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} else if ((format === 'date') && (obj.toString().length===10) && (obj<=2147483647)) {
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$(this).text((new Date(obj*1000)).toISOString()).data('format','hex');
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} else {
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$(this).text("0x"+(obj).toString(16)).data('format','dec');
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}
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evt.preventDefault();
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});
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}
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} else if (isArray) {
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element.addClass('collapsed');
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var originalLength = obj.length;
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if (typeHint) {
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var m = /\[(\d+)\]/.exec(typeHint);
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if (m) {
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originalLength = parseInt(m[1]);
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}
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}
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var data = obj;
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var type = 'array';
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if (isArrayObject) {
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data = obj.data;
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if (originalLength === undefined) {
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originalLength = data.length;
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}
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type = obj.type.toLowerCase();
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} else if (/buffer/.test(typeHint)) {
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type = 'buffer';
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}
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var fullLength = data.length;
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if (originalLength > 0) {
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$('<i class="fa fa-caret-right debug-message-object-handle"></i> ').prependTo(header);
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var arrayRows = $('<div class="debug-message-array-rows"></div>').appendTo(element);
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element.addClass('debug-message-buffer-raw');
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makeExpandable(header,function() {
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if (!key) {
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headerHead = $('<span class="debug-message-type-meta debug-message-object-type-header"></span>').html(typeHint||(type+'['+originalLength+']')).appendTo(header);
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}
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if (type === 'buffer') {
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var stringRow = $('<div class="debug-message-string-rows"></div>').appendTo(element);
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var sr = $('<div class="debug-message-object-entry collapsed"></div>').appendTo(stringRow);
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var stringEncoding = "";
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try {
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stringEncoding = String.fromCharCode.apply(null, new Uint16Array(data))
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} catch(err) {
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console.log(err);
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}
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$('<pre class="debug-message-type-string"></pre>').text(stringEncoding).appendTo(sr);
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var bufferOpts = $('<span class="debug-message-buffer-opts"></span>').appendTo(headerHead);
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$('<a href="#"></a>').addClass('selected').html('raw').appendTo(bufferOpts).click(function(e) {
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if ($(this).text() === 'raw') {
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$(this).text('string');
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element.addClass('debug-message-buffer-string').removeClass('debug-message-buffer-raw');
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} else {
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$(this).text('raw');
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element.removeClass('debug-message-buffer-string').addClass('debug-message-buffer-raw');
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}
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e.preventDefault();
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e.stopPropagation();
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})
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}
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var row;
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if (fullLength <= 10) {
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for (i=0;i<fullLength;i++) {
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row = $('<div class="debug-message-object-entry collapsed"></div>').appendTo(arrayRows);
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buildMessageElement(data[i],""+i,false).appendTo(row);
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}
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} else {
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for (i=0;i<fullLength;i+=10) {
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var minRange = i;
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row = $('<div class="debug-message-object-entry collapsed"></div>').appendTo(arrayRows);
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header = $('<span></span>').appendTo(row);
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$('<i class="fa fa-caret-right debug-message-object-handle"></i> ').appendTo(header);
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makeExpandable(header, (function() {
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var min = minRange;
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var max = Math.min(fullLength-1,(minRange+9));
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var parent = row;
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return function() {
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for (var i=min;i<=max;i++) {
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var row = $('<div class="debug-message-object-entry collapsed"></div>').appendTo(parent);
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buildMessageElement(data[i],""+i,false).appendTo(row);
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}
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}
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})());
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$('<span class="debug-message-object-key"></span>').html("["+minRange+" … "+Math.min(fullLength-1,(minRange+9))+"]").appendTo(header);
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}
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if (fullLength < originalLength) {
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$('<div class="debug-message-object-entry collapsed"><span class="debug-message-object-key">['+fullLength+' … '+originalLength+']</span></div>').appendTo(arrayRows);
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}
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}
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});
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}
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if (key) {
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headerHead = $('<span class="debug-message-type-meta f"></span>').html(typeHint||(type+'['+originalLength+']')).appendTo(entryObj);
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} else {
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headerHead = $('<span class="debug-message-object-header"></span>').appendTo(entryObj);
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$('<span>[ </span>').appendTo(headerHead);
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var arrayLength = Math.min(originalLength,10);
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for (i=0;i<arrayLength;i++) {
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buildMessageSummaryValue(data[i]).appendTo(headerHead);
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if (i < arrayLength-1) {
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$('<span>, </span>').appendTo(headerHead);
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}
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}
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if (originalLength > arrayLength) {
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$('<span> …</span>').appendTo(headerHead);
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}
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if (arrayLength === 0) {
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$('<span class="debug-message-type-meta">empty</span>').appendTo(headerHead);
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}
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$('<span> ]</span>').appendTo(headerHead);
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}
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} else if (typeof obj === 'object') {
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element.addClass('collapsed');
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var keys = Object.keys(obj);
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if (key || keys.length > 0) {
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$('<i class="fa fa-caret-right debug-message-object-handle"></i> ').prependTo(header);
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makeExpandable(header, function() {
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if (!key) {
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$('<span class="debug-message-type-meta debug-message-object-type-header"></span>').html('object').appendTo(header);
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}
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for (i=0;i<keys.length;i++) {
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var row = $('<div class="debug-message-object-entry collapsed"></div>').appendTo(element);
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buildMessageElement(obj[keys[i]],keys[i],false).appendTo(row);
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}
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if (keys.length === 0) {
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$('<div class="debug-message-object-entry debug-message-type-meta collapsed"></div>').text("empty").appendTo(element);
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}
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});
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}
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if (key) {
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$('<span class="debug-message-type-meta"></span>').html('object').appendTo(entryObj);
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} else {
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headerHead = $('<span class="debug-message-object-header"></span>').appendTo(entryObj);
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$('<span>{ </span>').appendTo(headerHead);
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var keysLength = Math.min(keys.length,5);
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for (i=0;i<keysLength;i++) {
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$('<span class="debug-message-object-key"></span>').text(keys[i]).appendTo(headerHead);
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$('<span>: </span>').appendTo(headerHead);
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buildMessageSummaryValue(obj[keys[i]]).appendTo(headerHead);
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if (i < keysLength-1) {
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$('<span>, </span>').appendTo(headerHead);
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}
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}
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if (keys.length > keysLength) {
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$('<span> …</span>').appendTo(headerHead);
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}
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if (keysLength === 0) {
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$('<span class="debug-message-type-meta">empty</span>').appendTo(headerHead);
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}
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$('<span> }</span>').appendTo(headerHead);
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}
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} else {
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$('<span class="debug-message-type-other"></span>').text(""+obj).appendTo(entryObj);
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}
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return element;
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}
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function validatePropertyExpression(str) {
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// This must be kept in sync with normalisePropertyExpression
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// in red/runtime/util.js
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var length = str.length;
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if (length === 0) {
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return false;
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}
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var start = 0;
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var inString = false;
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var inBox = false;
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var quoteChar;
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var v;
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for (var i=0;i<length;i++) {
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var c = str[i];
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if (!inString) {
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if (c === "'" || c === '"') {
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if (i != start) {
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return false;
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}
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inString = true;
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quoteChar = c;
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start = i+1;
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} else if (c === '.') {
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if (i===0 || i===length-1) {
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return false;
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}
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// Next char is first char of an identifier: a-z 0-9 $ _
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if (!/[a-z0-9\$\_]/i.test(str[i+1])) {
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return false;
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}
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start = i+1;
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} else if (c === '[') {
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if (i === 0) {
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return false;
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}
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if (i===length-1) {
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return false;
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}
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// Next char is either a quote or a number
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if (!/["'\d]/.test(str[i+1])) {
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return false;
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}
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start = i+1;
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inBox = true;
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} else if (c === ']') {
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if (!inBox) {
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return false;
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}
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if (start != i) {
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v = str.substring(start,i);
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if (!/^\d+$/.test(v)) {
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return false;
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}
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}
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start = i+1;
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inBox = false;
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} else if (c === ' ') {
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return false;
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}
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} else {
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if (c === quoteChar) {
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if (i-start === 0) {
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return false;
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}
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// Next char must be a ]
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if (inBox && !/\]/.test(str[i+1])) {
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return false;
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} else if (!inBox && i+1!==length && !/[\[\.]/.test(str[i+1])) {
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return false;
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}
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start = i+1;
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inString = false;
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}
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}
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}
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if (inBox || inString) {
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return false;
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}
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return true;
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}
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return {
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createObjectElement: buildMessageElement,
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validatePropertyExpression: validatePropertyExpression
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}
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})();
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