[DevTools] Scope common protocol infrastructure under Protocol namespace in a separate module.

third_party/WebKit/Source/devtools/front_end/sdk/InspectorBackendHostedMode.js

-// Copyright (c) 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// This should be executed immediately after InspectorBackend and InspectorBackendCommands
-
-WebInspector.InspectorBackendHostedMode = {};
-
-WebInspector.InspectorBackendHostedMode.loadFromJSONIfNeeded = function()
-{
-    if (InspectorBackend.isInitialized())
-        return;
-
-    for (var url of Object.keys(Runtime.cachedResources)) {
-        if (url.indexOf("protocol.json") !== -1) {
-            var protocol = Runtime.cachedResources[url];
-            var code = WebInspector.InspectorBackendHostedMode.generateCommands(JSON.parse(protocol));
-            eval(code);
-        }
-    }
-};
-
-/**
- * @param {*} schema
- * @return {string}
- */
-WebInspector.InspectorBackendHostedMode.generateCommands = function(schema)
-{
-    var jsTypes = { integer: "number", array: "object" };
-    var rawTypes = {};
-    var result = [];
-
-    var domains = schema["domains"] || [];
-    for (var i = 0; i < domains.length; ++i) {
-        var domain = domains[i];
-        for (var j = 0; domain.types && j < domain.types.length; ++j) {
-            var type = domain.types[j];
-            rawTypes[domain.domain + "." + type.id] = jsTypes[type.type] || type.type;
-        }
-    }
-
-    function toUpperCase(groupIndex, group0, group1)
-    {
-        return [group0, group1][groupIndex].toUpperCase();
-    }
-    function generateEnum(enumName, items)
-    {
-        var members = [];
-        for (var m = 0; m < items.length; ++m) {
-            var value = items[m];
-            var name = value;
-            var prefix = "";
-            if (name[0] === "-") {
-                prefix = "Negative";
-                name = name.substring(1);
-            }
-            name = name.replace(/-(\w)/g, toUpperCase.bind(null, 1)).toTitleCase();
-            name = name.replace(/HTML|XML|WML|API/ig, toUpperCase.bind(null, 0));
-            members.push(prefix + name + ": \"" + value + "\"");
-        }
-        return "InspectorBackend.registerEnum(\"" + enumName + "\", {" + members.join(", ") + "});";
-    }
-
-    for (var i = 0; i < domains.length; ++i) {
-        var domain = domains[i];
-
-        var types = domain["types"] || [];
-        for (var j = 0; j < types.length; ++j) {
-            var type = types[j];
-            if ((type["type"] === "string") && type["enum"])
-                result.push(generateEnum(domain.domain + "." + type.id, type["enum"]));
-            else if (type["type"] === "object") {
-                var properties = type["properties"] || [];
-                for (var k = 0; k < properties.length; ++k) {
-                    var property = properties[k];
-                    if ((property["type"] === "string") && property["enum"])
-                        result.push(generateEnum(domain.domain + "." + type.id + property["name"].toTitleCase(), property["enum"]));
-                }
-            }
-        }
-
-        var commands = domain["commands"] || [];
-        for (var j = 0; j < commands.length; ++j) {
-            var command = commands[j];
-            var parameters = command["parameters"];
-            var paramsText = [];
-            for (var k = 0; parameters && k < parameters.length; ++k) {
-                var parameter = parameters[k];
-
-                var type;
-                if (parameter.type)
-                    type = jsTypes[parameter.type] || parameter.type;
-                else {
-                    var ref = parameter["$ref"];
-                    if (ref.indexOf(".") !== -1)
-                        type = rawTypes[ref];
-                    else
-                        type = rawTypes[domain.domain + "." + ref];
-                }
-
-                var text = "{\"name\": \"" + parameter.name + "\", \"type\": \"" + type + "\", \"optional\": " + (parameter.optional ? "true" : "false") + "}";
-                paramsText.push(text);
-            }
-
-            var returnsText = [];
-            var returns = command["returns"] || [];
-            for (var k = 0; k < returns.length; ++k) {
-                var parameter = returns[k];
-                returnsText.push("\"" + parameter.name + "\"");
-            }
-            var hasErrorData = String(Boolean(command.error));
-            result.push("InspectorBackend.registerCommand(\"" + domain.domain + "." + command.name + "\", [" + paramsText.join(", ") + "], [" + returnsText.join(", ") + "], " + hasErrorData + ");");
-        }
-
-        for (var j = 0; domain.events && j < domain.events.length; ++j) {
-            var event = domain.events[j];
-            var paramsText = [];
-            for (var k = 0; event.parameters && k < event.parameters.length; ++k) {
-                var parameter = event.parameters[k];
-                paramsText.push("\"" + parameter.name + "\"");
-            }
-            result.push("InspectorBackend.registerEvent(\"" + domain.domain + "." + event.name + "\", [" + paramsText.join(", ") + "]);");
-        }
-    }
-    return result.join("\n");
-};
-
-WebInspector.InspectorBackendHostedMode.loadFromJSONIfNeeded();