Add P### link to paste

Summary:Make a new directory, src/infrastructure/markup/remarkup/markuprule/paste/
	Make a new class called PhabricatorRemarkupRulePaste in that directory.
	Add the rule to DifferentialMarkupEngineFactory.

Test Plan: Created a task in maniphest. Put P1 and P2 in the content.
Created P1 and P2 in Paste. Verified P1 and P2 were highlighted and
linked correctly.

Reviewers:epriestley, codeblock

CC:jungejason

Differential Revision: 539

src/__phutil_library_map__.php

@@ -443,6 +443,7 @@ phutil_register_library_map(array(
     'PhabricatorRemarkupRuleManiphest' => 'infrastructure/markup/remarkup/markuprule/maniphest',
     'PhabricatorRemarkupRuleMention' => 'infrastructure/markup/remarkup/markuprule/mention',
     'PhabricatorRemarkupRuleObjectName' => 'infrastructure/markup/remarkup/markuprule/objectname',
+    'PhabricatorRemarkupRulePaste' => 'infrastructure/markup/remarkup/markuprule/paste',
     'PhabricatorRemarkupRuleProxyImage' => 'infrastructure/markup/remarkup/markuprule/proxyimage',
     'PhabricatorRemarkupRuleYoutube' => 'infrastructure/markup/remarkup/markuprule/youtube',
     'PhabricatorRepository' => 'applications/repository/storage/repository',
@@ -913,6 +914,7 @@ phutil_register_library_map(array(
     'PhabricatorRemarkupRuleManiphest' => 'PhabricatorRemarkupRuleObjectName',
     'PhabricatorRemarkupRuleMention' => 'PhutilRemarkupRule',
     'PhabricatorRemarkupRuleObjectName' => 'PhutilRemarkupRule',
+    'PhabricatorRemarkupRulePaste' => 'PhabricatorRemarkupRuleObjectName',
     'PhabricatorRemarkupRuleProxyImage' => 'PhutilRemarkupRule',
     'PhabricatorRemarkupRuleYoutube' => 'PhutilRemarkupRule',
     'PhabricatorRepository' => 'PhabricatorRepositoryDAO',

src/applications/differential/parser/markup/DifferentialMarkupEngineFactory.php

@@ -41,6 +41,7 @@ class DifferentialMarkupEngineFactory {
     $rules[] = new PhabricatorRemarkupRuleDifferential();
     $rules[] = new PhabricatorRemarkupRuleDiffusion();
     $rules[] = new PhabricatorRemarkupRuleManiphest();
+    $rules[] = new PhabricatorRemarkupRulePaste();
     $rules[] = new PhabricatorRemarkupRuleImageMacro();
     $rules[] = new PhabricatorRemarkupRuleMention();
 

src/applications/differential/parser/markup/__init__.php

@@ -12,6 +12,7 @@ phutil_require_module('phabricator', 'infrastructure/markup/remarkup/markuprule/
 phutil_require_module('phabricator', 'infrastructure/markup/remarkup/markuprule/imagemacro');
 phutil_require_module('phabricator', 'infrastructure/markup/remarkup/markuprule/maniphest');
 phutil_require_module('phabricator', 'infrastructure/markup/remarkup/markuprule/mention');
+phutil_require_module('phabricator', 'infrastructure/markup/remarkup/markuprule/paste');
 phutil_require_module('phabricator', 'infrastructure/markup/remarkup/markuprule/proxyimage');
 phutil_require_module('phabricator', 'infrastructure/markup/remarkup/markuprule/youtube');
 

src/infrastructure/markup/remarkup/markuprule/paste/PhabricatorRemarkupRulePaste.php

@@ -0,0 +1,29 @@
+<?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.
+ */
+
+/**
+ * @group markup
+ */
+class PhabricatorRemarkupRulePaste
+  extends PhabricatorRemarkupRuleObjectName {
+
+  protected function getObjectNamePrefix() {
+    return 'P';
+  }
+
+}

src/infrastructure/markup/remarkup/markuprule/paste/__init__.php

@@ -0,0 +1,12 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'infrastructure/markup/remarkup/markuprule/objectname');
+
+
+phutil_require_source('PhabricatorRemarkupRulePaste.php');