From 302bf1b523012e11b60425d6eee1221ebc2724eb Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Sun, 3 Nov 2019 00:17:46 -0400
Subject: Issue #1258 - Part 1: Import mailnews, ldap, and mork from
 comm-esr52.9.1

---
 ldap/xpcom/src/nsLDAPModification.cpp | 158 ++++++++++++++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 ldap/xpcom/src/nsLDAPModification.cpp

(limited to 'ldap/xpcom/src/nsLDAPModification.cpp')

diff --git a/ldap/xpcom/src/nsLDAPModification.cpp b/ldap/xpcom/src/nsLDAPModification.cpp
new file mode 100644
index 000000000..77253835a
--- /dev/null
+++ b/ldap/xpcom/src/nsLDAPModification.cpp
@@ -0,0 +1,158 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsLDAPModification.h"
+#include "nsILDAPBERValue.h"
+#include "nsISimpleEnumerator.h"
+#include "nsServiceManagerUtils.h"
+#include "nsComponentManagerUtils.h"
+
+using namespace mozilla;
+
+NS_IMPL_ISUPPORTS(nsLDAPModification, nsILDAPModification)
+
+// constructor
+//
+nsLDAPModification::nsLDAPModification()
+    : mValuesLock("nsLDAPModification.mValuesLock")
+{
+}
+
+// destructor
+//
+nsLDAPModification::~nsLDAPModification()
+{
+}
+
+nsresult
+nsLDAPModification::Init()
+{
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLDAPModification::GetOperation(int32_t *aOperation)
+{
+  NS_ENSURE_ARG_POINTER(aOperation);
+
+  *aOperation = mOperation;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsLDAPModification::SetOperation(int32_t aOperation)
+{
+  mOperation = aOperation;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLDAPModification::GetType(nsACString& aType)
+{
+  aType.Assign(mType);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLDAPModification::SetType(const nsACString& aType)
+{
+  mType.Assign(aType);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLDAPModification::GetValues(nsIArray** aResult)
+{
+  NS_ENSURE_ARG_POINTER(aResult);
+
+  MutexAutoLock lock(mValuesLock);
+
+  if (!mValues)
+    return NS_ERROR_NOT_INITIALIZED;
+
+  NS_ADDREF(*aResult = mValues);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLDAPModification::SetValues(nsIArray* aValues)
+{
+  NS_ENSURE_ARG_POINTER(aValues);
+
+  MutexAutoLock lock(mValuesLock);
+  nsresult rv;
+
+  if (!mValues)
+    mValues = do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
+  else
+    rv = mValues->Clear();
+
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsCOMPtr<nsISimpleEnumerator> enumerator;
+  rv = aValues->Enumerate(getter_AddRefs(enumerator));
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  bool hasMoreElements;
+  rv = enumerator->HasMoreElements(&hasMoreElements);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsCOMPtr<nsISupports> value;
+
+  while (hasMoreElements)
+  {
+    rv = enumerator->GetNext(getter_AddRefs(value));
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    rv = mValues->AppendElement(value, false);
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    rv = enumerator->HasMoreElements(&hasMoreElements);
+    NS_ENSURE_SUCCESS(rv, rv);
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLDAPModification::SetUpModification(int32_t aOperation,
+                                      const nsACString &aType,
+                                      nsIArray *aValues)
+{
+  // Set the values using our local function before entering lock
+  // to avoid deadlocks due to holding the same lock twice.
+  nsresult rv = SetValues(aValues);
+
+  MutexAutoLock lock(mValuesLock);
+
+  mOperation = aOperation;
+  mType.Assign(aType);
+
+  return rv;
+}
+
+NS_IMETHODIMP
+nsLDAPModification::SetUpModificationOneValue(int32_t aOperation,
+                                              const nsACString &aType,
+                                              nsILDAPBERValue *aValue)
+{
+  NS_ENSURE_ARG_POINTER(aValue);
+
+  MutexAutoLock lock(mValuesLock);
+
+  mOperation = aOperation;
+  mType.Assign(aType);
+
+  nsresult rv;
+
+  if (!mValues)
+    mValues = do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
+  else
+    rv = mValues->Clear();
+
+  NS_ENSURE_SUCCESS(rv, rv);
+  
+  return mValues->AppendElement(aValue, false);
+}
-- 
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