Add a simple symbol lookup interface for cross-references

Summary: This will get fancier, but here's a basic interface for doing symbol
lookups. Still all pretty tentative.

Test Plan: Looked up various things, got some sensible results.

Reviewers: jungejason, nh, tuomaspelkonen, aran

Reviewed By: tuomaspelkonen

CC: aran, tuomaspelkonen

Differential Revision: 900

src/applications/diffusion/controller/symbol/DiffusionSymbolController.php

@@ -0,0 +1,80 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, 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.
+ */
+
+class DiffusionSymbolController extends DiffusionController {
+
+  private $name;
+
+  public function willProcessRequest(array $data) {
+    $this->name = $data['name'];
+  }
+
+  public function processRequest() {
+    $request = $this->getRequest();
+    $user = $request->getUser();
+
+    $query = new DiffusionSymbolQuery();
+    $query->setNamePrefix($this->name);
+
+    if ($request->getStr('type')) {
+      $query->setType($request->getStr('type'));
+    }
+
+    if ($request->getStr('lang')) {
+      $query->setLanguage($request->getStr('lang'));
+    }
+
+    $symbols = $query->execute();
+
+    $rows = array();
+    foreach ($symbols as $symbol) {
+      $rows[] = array(
+        phutil_escape_html($symbol->getSymbolType()),
+        phutil_escape_html($symbol->getSymbolName()),
+        phutil_escape_html($symbol->getSymbolLanguage()),
+      );
+    }
+
+    $table = new AphrontTableView($rows);
+    $table->setHeaders(
+      array(
+        'Type',
+        'Name',
+        'Language',
+      ));
+    $table->setColumnClasses(
+      array(
+        '',
+        'pri',
+        '',
+      ));
+
+    $panel = new AphrontPanelView();
+    $panel->setHeader('Similar Symbols');
+    $panel->appendChild($table);
+
+    return $this->buildStandardPageResponse(
+      array(
+        $panel,
+      ),
+      array(
+        'title' => 'Find Symbol',
+      ));
+  }
+
+}

src/applications/diffusion/controller/symbol/__init__.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'applications/diffusion/controller/base');
+phutil_require_module('phabricator', 'applications/diffusion/query/symbol');
+phutil_require_module('phabricator', 'view/control/table');
+phutil_require_module('phabricator', 'view/layout/panel');
+
+phutil_require_module('phutil', 'markup');
+
+
+phutil_require_source('DiffusionSymbolController.php');