Add enhanced filters to Network panel.

Source/devtools/front_end/SuggestionBuilder.js

+/*
+ * Copyright (C) 2013 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * @constructor
+ * @implements {WebInspector.TextFilterUI.SuggestionBuilder}
+ * @param {!Array.<string>} keys
+ */
+WebInspector.SuggestionBuilder = function(keys)
+{
+    this._keys = keys;
+    this._valueSets = {};
+    this._valueLists = {};
+}
+
+WebInspector.SuggestionBuilder.prototype = {
+    /**
+     * @param {!HTMLInputElement} input
+     * @return {?Array.<string>}
+     */
+    buildSuggestions: function(input)
+    {
+        var text = input.value;
+        var cursorPosition = input.selectionStart;
+        if (cursorPosition !== text.length)
+            return null;
+
+        var prefix = text.substring(text.lastIndexOf(" ") + 1);
+        var valueDelimiterIndex = prefix.indexOf(":");
+
+        var suggestions = [];
+        if (valueDelimiterIndex === -1) {
+            for (var j = 0; j < this._keys.length; ++j) {
+                if (this._keys[j].startsWith(prefix))
+                    suggestions.push(this._keys[j] + ":");
+            }
+        } else {
+            var key = prefix.substring(0, valueDelimiterIndex);
+            var value = prefix.substring(valueDelimiterIndex + 1);
+            var items = this._values(key);
+            for (var i = 0; i < items.length; ++i) {
+                if (items[i].startsWith(value) && (items[i] !== value))
+                    suggestions.push(key + ":" + items[i]);
+            }
+        }
+        return suggestions;
+    },
+
+    /**
+     * @param {!HTMLInputElement} input
+     * @param {string} suggestion
+     */
+    applySuggestion: function(input, suggestion)
+    {
+        var text = input.value;
+        text = text.substring(0, text.lastIndexOf(" ") + 1) + suggestion;
+        input.value = text;
+    },
+
+    /**
+     * @param {string} key
+     * @return {!Array.<string>}
+     */
+    _values: function(key)
+    {
+        var result = this._valueLists[key];
+        if (!result)
+            return [];
+
+        result.sort();
+        return result;
+    },
+
+    /**
+     * @param {string} key
+     * @param {?string=} value
+     */
+    addItem: function(key, value)
+    {
+        if (!value)
+            return;
+
+        var set = this._valueSets[key];
+        var list = this._valueLists[key];
+        if (!set) {
+            set = {};
+            this._valueSets[key] = set;
+            list = [];
+            this._valueLists[key] = list;
+        }
+
+        if (set[value])
+            return;
+
+        set[value] = true;
+        list.push(value);
+    },
+
+    /**
+     * @param {string} query
+     * @return {{textual: ?RegExp, specialized: !Object.<string, string>}}
+     */
+    parseQuery: function(query)
+    {
+        var specialized = {};
+        var parts = query.split(/\s+/);
+        var textualParts = [];
+        for (var i = 0; i < parts.length; ++i) {
+            var part = parts[i];
+            var colonIndex = part.indexOf(":");
+            if (colonIndex !== -1) {
+                var field = part.substr(0, colonIndex);
+                if (this._keys.indexOf(field) !== -1) {
+                    var value = part.substr(colonIndex + 1);
+                    specialized[field] = value;
+                    continue;
+                }
+            }
+            if (part)
+                textualParts.push(part.escapeForRegExp());
+        }
+        var textual = textualParts.length ? new RegExp(textualParts.join("\\s*"), "i") : null;
+        return {textual: textual, specialized: specialized};
+    }
+};