third_party/WebKit/Source/devtools/front_end/audits/AuditFormatters.js

   1 /*
   2  * Copyright (C) 2012 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 /**
  32  * @constructor
  33  */
  34 WebInspector.AuditFormatters = function()
  35 {
  36 }
  37
  38 WebInspector.AuditFormatters.Registry = {
  39
  40     /**
  41      * @param {string} text
  42      * @return {!Text}
  43      */
  44     text: function(text)
  45     {
  46         return createTextNode(text);
  47     },
  48
  49     /**
  50      * @param {string} snippetText
  51      * @return {!Element}
  52      */
  53     snippet: function(snippetText)
  54     {
  55         var div = createElement("div");
  56         div.textContent = snippetText;
  57         div.className = "source-code";
  58         return div;
  59     },
  60
  61     /**
  62      * @return {!Element}
  63      */
  64     concat: function()
  65     {
  66         var parent = createElement("span");
  67         for (var arg = 0; arg < arguments.length; ++arg)
  68             parent.appendChild(WebInspector.auditFormatters.apply(arguments[arg]));
  69         return parent;
  70     },
  71
  72     /**
  73      * @param {string} url
  74      * @param {string=} displayText
  75      * @return {!Element}
  76      */
  77     url: function(url, displayText)
  78     {
  79         return WebInspector.linkifyURLAsNode(url, displayText, undefined, true);
  80     },
  81
  82     /**
  83      * @param {string} url
  84      * @param {number=} line
  85      * @return {!Element}
  86      */
  87     resourceLink: function(url, line)
  88     {
  89         // FIXME: use WebInspector.Linkifier
  90         return WebInspector.linkifyResourceAsNode(url, line, "resource-url webkit-html-resource-link");
  91     }
  92 };
  93
  94 WebInspector.AuditFormatters.prototype = {
  95     /**
  96      * @param {string|boolean|number|!Object} value
  97      * @return {!Node}
  98      */
  99     apply: function(value)
 100     {
 101         var formatter;
 102         var type = typeof value;
 103         var args;
 104
 105         switch (type) {
 106         case "string":
 107         case "boolean":
 108         case "number":
 109             formatter = WebInspector.AuditFormatters.Registry.text;
 110         args = [value.toString()];
 111         break;
 112
 113         case "object":
 114             if (value instanceof Node)
 115                 return value;
 116             if (Array.isArray(value)) {
 117                 formatter = WebInspector.AuditFormatters.Registry.concat;
 118                 args = value;
 119             } else if (value.type && value.arguments) {
 120                 formatter = WebInspector.AuditFormatters.Registry[value.type];
 121                 args = value.arguments;
 122             }
 123         }
 124         if (!formatter)
 125             throw "Invalid value or formatter: " + type + JSON.stringify(value);
 126
 127         return formatter.apply(null, args);
 128     },
 129
 130     /**
 131      * @param {!Object} formatters
 132      * @param {?Object} thisArgument
 133      * @param {string|boolean|number|!Object} value
 134      * @return {*}
 135      */
 136     partiallyApply: function(formatters, thisArgument, value)
 137     {
 138         if (Array.isArray(value))
 139             return value.map(this.partiallyApply.bind(this, formatters, thisArgument));
 140         if (typeof value === "object" && typeof formatters[value.type] === "function" && value.arguments)
 141             return formatters[value.type].apply(thisArgument, value.arguments);
 142         return value;
 143     }
 144 }
 145
 146 WebInspector.auditFormatters = new WebInspector.AuditFormatters();