Add gsutil/third_party to telemetry/third_party/gsutilz/third_party.

tools/telemetry/third_party/gsutilz/third_party/protorpc/protorpc/static/forms.js

Index: tools/telemetry/third_party/gsutilz/third_party/protorpc/protorpc/static/forms.js
diff --git a/tools/telemetry/third_party/gsutilz/third_party/protorpc/protorpc/static/forms.js b/tools/telemetry/third_party/gsutilz/third_party/protorpc/protorpc/static/forms.js
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+// Copyright 2010 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+/**
+ * @fileoverview Render form appropriate for RPC method.
+ * @author rafek@google.com (Rafe Kaplan)
+ */
+
+
+var FORM_VISIBILITY = {
+  SHOW_FORM: 'Show Form',
+  HIDE_FORM: 'Hide Form'
+};
+
+
+var LABEL = {
+  OPTIONAL: 'OPTIONAL',
+  REQUIRED: 'REQUIRED',
+  REPEATED: 'REPEATED'
+};
+
+
+var objectId = 0;
+
+
+/**
+ * Variants defined in protorpc/messages.py.
+ */
+var VARIANT = {
+  DOUBLE: 'DOUBLE',
+  FLOAT: 'FLOAT',
+  INT64: 'INT64',
+  UINT64: 'UINT64',
+  INT32: 'INT32',
+  BOOL: 'BOOL',
+  STRING: 'STRING',
+  MESSAGE: 'MESSAGE',
+  BYTES: 'BYTES',
+  UINT32: 'UINT32',
+  ENUM: 'ENUM',
+  SINT32: 'SINT32',
+  SINT64: 'SINT64'
+};
+
+
+/**
+ * Data structure used to represent a form to data element.
+ * @param {Object} field Field descriptor that form element represents.
+ * @param {Object} container Element that contains field.
+ * @return {FormElement} New object representing a form element.  Element
+ *     starts enabled.
+ * @constructor
+ */
+function FormElement(field, container) {
+  this.field = field;
+  this.container = container;
+  this.enabled = true;
+}
+
+
+/**
+ * Display error message in error panel.
+ * @param {string} message Message to display in panel.
+ */
+function error(message) {
+  $('<div>').appendTo($('#error-messages')).text(message);
+}
+
+
+/**
+ * Display request errors in error panel.
+ * @param {object} XMLHttpRequest object.
+ */
+function handleRequestError(response) {
+  var contentType = response.getResponseHeader('content-type');
+  if (contentType == 'application/json') {
+      var response_error = $.parseJSON(response.responseText);
+      var error_message = response_error.error_message;
+      if (error.state == 'APPLICATION_ERROR' && error.error_name) {
+          error_message = error_message + ' (' + error.error_name + ')';
+      }
+  } else {
+      error_message = '' + response.status + ': ' + response.statusText;
+  }
+
+  error(error_message);
+}
+
+
+/**
+ * Send JSON RPC to remote method.
+ * @param {string} path Path of service on originating server to send request.
+ * @param {string} method Name of method to invoke.
+ * @param {Object} request Message to send as request.
+ * @param {function} on_success Function to call upon successful request.
+ */
+function sendRequest(path, method, request, onSuccess) {
+  $.ajax({url: path + '.' + method,
+          type: 'POST',
+          contentType: 'application/json',
+          data: $.toJSON(request),
+          dataType: 'json',
+          success: onSuccess,
+          error: handleRequestError
+         });
+}
+
+
+/**
+ * Create callback that enables and disables field element when associated
+ * checkbox is clicked.
+ * @param {Element} checkbox Checkbox that will be clicked.
+ * @param {FormElement} form Form element that will be toggled for editing.
+ * @param {Object} disableMessage HTML element to display in place of element.
+ * @return Callback that is invoked every time checkbox is clicked.
+ */
+function toggleInput(checkbox, form, disableMessage) {
+  return function() {
+    var checked = checkbox.checked;
+    if (checked) {
+      buildIndividualForm(form);
+      form.enabled = true;
+      disableMessage.hide();
+    } else {
+      form.display.empty();
+      form.enabled = false;
+      disableMessage.show();
+    }
+  };
+}
+
+
+/**
+ * Build an enum field.
+ * @param {FormElement} form Form to build element for.
+ */
+function buildEnumField(form) {
+  form.descriptor = enumDescriptors[form.field.type_name];
+  form.input = $('<select>').
+      appendTo(form.display);
+
+  $('<option>').
+      appendTo(form.input).attr('value', '').
+      text('Select enum');
+  $.each(form.descriptor.values, function(index, enumValue) {
+      option = $('<option>');
+      option.
+          appendTo(form.input).
+          attr('value', enumValue.name).
+          text(enumValue.name);
+      if (enumValue.number == form.field.default_value) {
+        option.attr('selected', 1);
+      }
+  });
+}
+
+
+/**
+ * Build nested message field.
+ * @param {FormElement} form Form to build element for.
+ */
+function buildMessageField(form) {
+  form.table = $('<table border="1">').appendTo(form.display);
+  buildMessageForm(form, messageDescriptors[form.field.type_name]);
+}
+
+
+/**
+ * Build boolean field.
+ * @param {FormElement} form Form to build element for.
+ */
+function buildBooleanField(form) {
+  form.input = $('<input type="checkbox">');
+  form.input[0].checked = Boolean(form.field.default_value);
+}
+
+
+/**
+ * Build text field.
+ * @param {FormElement} form Form to build element for.
+ */
+function buildTextField(form) {
+  form.input = $('<input type="text">');
+  form.input.
+      attr('value', form.field.default_value || '');
+}
+
+
+/**
+ * Build individual input element.
+ * @param {FormElement} form Form to build element for.
+ */
+function buildIndividualForm(form) {
+  form.required = form.label == LABEL.REQUIRED;
+
+  if (form.field.variant == VARIANT.ENUM) {
+    buildEnumField(form);
+  } else if (form.field.variant == VARIANT.MESSAGE) {
+    buildMessageField(form);
+  } else if (form.field.variant == VARIANT.BOOL) {
+    buildBooleanField(form);
+  } else {
+    buildTextField(form);
+  }
+
+  form.display.append(form.input);
+
+  // TODO: Handle base64 encoding for BYTES field.
+  if (form.field.variant == VARIANT.BYTES) {
+    $("<i>use base64 encoding</i>").appendTo(form.display);
+  }
+}
+
+
+/**
+ * Add repeated field.  This function is called when an item is added
+ * @param {FormElement} form Repeated form element to create item for.
+ */
+function addRepeatedFieldItem(form) {
+  var row = $('<tr>').appendTo(form.display);
+  subForm = new FormElement(form.field, row);
+  form.fields.push(subForm);
+  buildFieldForm(subForm, false);
+}
+
+
+/**
+ * Build repeated field.  Contains a button that can be used for adding new
+ * items.
+ * @param {FormElement} form Form to build element for.
+ */
+function buildRepeatedForm(form) {
+  form.fields = [];
+  form.display = $('<table border="1" width="100%">').
+      appendTo(form.container);
+  var header_row = $('<tr>').appendTo(form.display);
+  var header = $('<td colspan="3">').appendTo(header_row);
+  var add_button = $('<button>').text('+').appendTo(header);
+
+  add_button.click(function() {
+    addRepeatedFieldItem(form);
+  });
+}
+
+
+/**
+ * Build a form field.  Populates form content with values required by
+ * all fields.
+ * @param {FormElement} form Repeated form element to create item for.
+ * @param allowRepeated {Boolean} Allow display of repeated field.  If set to
+ *     to true, will treat repeated fields as individual items of a repeated
+ *     field and render it as an individual field.
+ */
+function buildFieldForm(form, allowRepeated) {
+  // All form fields are added to a row of a table.
+  var inputData = $('<td>');
+
+  // Set name.
+  if (allowRepeated) {
+    var nameData = $('<td>');
+    nameData.text(form.field.name + ':');
+    form.container.append(nameData);
+  }
+
+  // Set input.
+  form.repeated = form.field.label == LABEL.REPEATED;
+  if (allowRepeated && form.repeated) {
+    inputData.attr('colspan', '2');
+    buildRepeatedForm(form);
+  } else {
+    if (!allowRepeated) {
+        inputData.attr('colspan', '2');
+    }
+
+    form.display = $('<div>');
+
+    var controlData = $('<td>');
+    if (form.field.label != LABEL.REQUIRED && allowRepeated) {
+        form.enabled = false;
+      var checkbox_id = 'checkbox-' + objectId;
+      objectId++;
+      $('<label for="' + checkbox_id + '">Enabled</label>').appendTo(controlData);
+      var checkbox = $('<input id="' + checkbox_id + '" type="checkbox">').appendTo(controlData);
+      var disableMessage = $('<div>').appendTo(inputData);
+      checkbox.change(toggleInput(checkbox[0], form, disableMessage));
+    } else {
+      buildIndividualForm(form);
+    }
+
+    if (form.repeated) {
+      // TODO: Implement deletion of repeated items.  Needs to delete
+      // from DOM and also delete from form model.
+    }
+
+    form.container.append(controlData);
+  }
+
+  inputData.append(form.display);
+  form.container.append(inputData);
+}
+
+
+/**
+ * Top level function for building an entire message form.  Called once at form
+ * creation and may be called again for nested message fields.  Constructs a
+ * a table and builds a row for each sub-field.
+ * @params {FormElement} form Form to build message form for.
+ */
+function buildMessageForm(form, messageType) {
+  form.fields = [];
+  form.descriptor = messageType;
+  if (messageType.fields) {
+    $.each(messageType.fields, function(index, field) {
+      var row = $('<tr>').appendTo(form.table);
+      var fieldForm = new FormElement(field, row);
+      fieldForm.parent = form;
+      buildFieldForm(fieldForm, true);
+      form.fields.push(fieldForm);
+    });
+  }
+}
+
+
+/**
+ * HTML Escape a string
+ */
+function htmlEscape(value) {
+  if (typeof(value) == "string") {
+    return value
+      .replace(/&/g, '&amp;')
+      .replace(/>/g, '&gt;')
+      .replace(/</g, '&lt;')
+      .replace(/"/g, '&quot;')
+      .replace(/'/g, '&#39;')
+      .replace(/ /g, '&nbsp;');
+  } else {
+    return value;
+  }
+}
+
+
+/**
+ * JSON formatted in HTML for display to users.  This method recursively calls
+ * itself to render sub-JSON objects.
+ * @param {Object} value JSON object to format for display.
+ * @param {Integer} indent Indentation level for object being displayed.
+ * @return {string} Formatted JSON object.
+ */
+function formatJSON(value, indent) {
+  var indentation = '';
+  for (var index = 0; index < indent; ++index) {
+    indentation = indentation + '&nbsp;&nbsp;';
+  }
+  var type = typeof(value);
+
+  var result = '';
+
+  if (type == 'object') {
+    if (value.constructor === Array) {
+      result += '[<br>';
+      $.each(value, function(index, item) {
+        result += indentation + formatJSON(item, indent + 1) + ',<br>';
+      });
+      result += indentation + ']';
+    } else {
+      result += '{<br>';
+      $.each(value, function(name, item) {
+        result += (indentation + htmlEscape(name) + ': ' +
+                   formatJSON(item, indent + 1) + ',<br>');
+      });
+      result += indentation + '}';
+    }
+  } else {
+    result += htmlEscape(value);
+  }
+
+  return result;
+}
+
+
+/**
+ * Construct array from repeated form element.
+ * @param {FormElement} form Form element to build array from.
+ * @return {Array} Array of repeated elements read from input form.
+ */
+function fromRepeatedForm(form) {
+  var values = [];
+  $.each(form.fields, function(index, subForm) {
+    values.push(fromIndividualForm(subForm));
+  });
+  return values;
+}
+
+
+/**
+ * Construct value from individual form element.
+ * @param {FormElement} form Form element to get value from.
+ * @return {string, Float, Integer, Boolean, object} Value extracted from
+ *     individual field.  The type depends on the field variant.
+ */
+function fromIndividualForm(form) {
+  switch(form.field.variant) {
+  case VARIANT.MESSAGE:
+    return fromMessageForm(form);
+    break;
+
+  case VARIANT.DOUBLE:
+  case VARIANT.FLOAT:
+    return parseFloat(form.input.val());
+
+  case VARIANT.BOOL:
+    return form.input[0].checked;
+    break;
+
+  case VARIANT.ENUM:
+  case VARIANT.STRING:
+  case VARIANT.BYTES:
+    return form.input.val();
+
+  default:
+    break;
+  }
+  return parseInt(form.input.val(), 10);
+}
+
+
+/**
+ * Extract entire message from a complete form.
+ * @param {FormElement} form Form to extract message from.
+ * @return {Object} Fully populated message object ready to transmit
+ *     as JSON message.
+ */
+function fromMessageForm(form) {
+  var message = {};
+  $.each(form.fields, function(index, subForm) {
+    if (subForm.enabled) {
+      var subMessage = undefined;
+      if (subForm.field.label == LABEL.REPEATED) {
+        subMessage = fromRepeatedForm(subForm);
+      } else {
+        subMessage = fromIndividualForm(subForm);
+      }
+
+      message[subForm.field.name] = subMessage;
+    }
+  });
+
+  return message;
+}
+
+
+/**
+ * Send form as an RPC.  Extracts message from root form and transmits to
+ * originating ProtoRPC server.  Response is formatted as JSON and displayed
+ * to user.
+ */
+function sendForm() {
+  $('#error-messages').empty();
+  $('#form-response').empty();
+  message = fromMessageForm(root_form);
+  if (message === null) {
+    return;
+  }
+
+  sendRequest(servicePath, methodName, message, function(response) {
+    $('#form-response').html(formatJSON(response, 0));
+    hideForm();
+  });
+}
+
+
+/**
+ * Reset form to original state.  Deletes existing form and rebuilds a new
+ * one from scratch.
+ */
+function resetForm() {
+  var panel = $('#form-panel');
+  var serviceType = serviceMap[servicePath];
+  var service = serviceDescriptors[serviceType];
+
+  panel.empty();
+
+  function formGenerationError(message) {
+    error(message);
+    panel.html('<div class="error-message">' +
+               'There was an error generating the service form' +
+               '</div>');
+  }
+
+    // Find method.
+  var requestTypeName = null;
+  $.each(service.methods, function(index, method) {
+    if (method.name == methodName) {
+        requestTypeName = method.request_type;
+    }
+  });
+
+  if (!requestTypeName) {
+    formGenerationError('No such method definition for: ' + methodName);
+    return;
+  }
+
+  requestType = messageDescriptors[requestTypeName];
+  if (!requestType) {
+    formGenerationError('No such message-type: ' + requestTypeName);
+    return;
+  }
+
+  var root = $('<table border="1">').
+      appendTo(panel);
+
+  root_form = new FormElement(null, null);
+  root_form.table = root;
+  buildMessageForm(root_form, requestType);
+  $('<button>').appendTo(panel).text('Send Request').click(sendForm);
+  $('<button>').appendTo(panel).text('Reset').click(resetForm);
+}
+
+
+/**
+ * Hide main RPC form from user.  The information in the form is preserved.
+ * Called after RPC to server is completed.
+ */
+function hideForm() {
+  var expander = $('#form-expander');
+  var formPanel = $('#form-panel');
+  formPanel.hide();
+  expander.text(FORM_VISIBILITY.SHOW_FORM);
+}
+
+
+/**
+ * Toggle the display of the main RPC form.  Called when form expander button
+ * is clicked.
+ */
+function toggleForm() {
+  var expander = $('#form-expander');
+  var formPanel = $('#form-panel');
+  if (expander.text() == FORM_VISIBILITY.HIDE_FORM) {
+    hideForm();
+  } else {
+    formPanel.show();
+    expander.text(FORM_VISIBILITY.HIDE_FORM);
+  }
+}
+
+
+/**
+ * Create form.  Called after all service information and file sets have been
+ * loaded.
+ */
+function createForm() {
+  $('#form-expander').click(toggleForm);
+  resetForm();
+}
+
+
+/**
+ * Display available services and their methods.
+ */
+function showMethods() {
+  var methodSelector = $('#method-selector');
+  if (serviceMap) {
+    $.each(serviceMap, function(serviceName) {
+      var descriptor = serviceDescriptors[serviceMap[serviceName]];
+      methodSelector.append(descriptor.name);
+      var block = $('<blockquote>').appendTo(methodSelector);
+      $.each(descriptor.methods, function(index, method) {
+        var url = (formPath + '?path=' + serviceName +
+                   '&method=' + method.name);
+        var label = serviceName + '.' + method.name;
+        $('<a>').attr('href', url).text(label).appendTo(block);
+        $('<br>').appendTo(block);
+      });
+    });
+  }
+}
+
+
+/**
+ * Populate map of fully qualified message names to descriptors.  This method
+ * is called recursively to populate message definitions nested within other
+ * message definitions.
+ * @param {Object} messages Array of message descriptors as returned from the
+ *     RegistryService.get_file_set call.
+ * @param {string} container messages may be an Array of messages nested within
+ *     either a FileDescriptor or a MessageDescriptor.  The container is the
+ *     fully qualified name of the file descriptor or message descriptor so
+ *     that the fully qualified name of the messages in the list may be
+ *     constructed.
+ */
+function populateMessages(messages, container) {
+  if (messages) {
+    $.each(messages, function(messageIndex, message) {
+      var messageName = container + '.' + message.name;
+      messageDescriptors[messageName] = message;
+
+      if (message.message_types) {
+        populateMessages(message.message_types, messageName);
+      }
+
+      if (message.enum_types) {
+        $.each(message.enum_types, function(enumIndex, enumerated) {
+          var enumName = messageName + '.' + enumerated.name;
+          enumDescriptors[enumName] = enumerated;
+        });
+      }
+    });
+  }
+}
+
+
+/**
+ * Populates all descriptors from a FileSet descriptor.  Each of the three
+ * descriptor collections (service, message and enum) map the fully qualified
+ * name of a definition to it's descriptor.
+ */
+function populateDescriptors(file_set) {
+  serviceDescriptors = {};
+  messageDescriptors = {};
+  enumDescriptors = {};
+  $.each(file_set.files, function(index, file) {
+    if (file.service_types) {
+      $.each(file.service_types, function(serviceIndex, service) {
+        var serviceName = file['package'] + '.' + service.name;
+        serviceDescriptors[serviceName] = service;
+      });
+    }
+
+    populateMessages(file.message_types, file['package']);
+  });
+}
+
+
+/**
+ * Load all file sets from ProtoRPC registry service.
+ * @param {function} when_done Called after all file sets are loaded.
+ */
+function loadFileSets(when_done) {
+  var paths = [];
+  $.each(serviceMap, function(serviceName) {
+    paths.push(serviceName);
+  });
+
+  sendRequest(
+      registryPath,
+      'get_file_set',
+      {'names': paths},
+      function(response) {
+          populateDescriptors(response.file_set, when_done);
+          when_done();
+  });
+}
+
+
+/**
+ * Load all services from ProtoRPC registry service.  When services are
+ * loaded, will then load all file_sets from the server.
+ * @param {function} when_done Called after all file sets are loaded.
+ */
+function loadServices(when_done) {
+  sendRequest(
+      registryPath,
+      'services',
+      {},
+      function(response) {
+        serviceMap = {};
+        $.each(response.services, function(index, service) {
+          serviceMap[service.name] = service.definition;
+        });
+        loadFileSets(when_done);
+      });
+}