Issue #1258 - Part 1: Import mailnews, ldap, and mork from comm-esr52.9.1

1 files changed, 321 insertions, 0 deletions

diff --git a/mailnews/imap/src/nsImapFlagAndUidState.cpp b/mailnews/imap/src/nsImapFlagAndUidState.cpp
new file mode 100644
index 000000000..deae831db
--- /dev/null
+++ b/mailnews/imap/src/nsImapFlagAndUidState.cpp
@@ -0,0 +1,321 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 "msgCore.h"  // for pre-compiled headers
+
+#include "nsImapCore.h"
+#include "nsImapFlagAndUidState.h"
+#include "nsMsgUtils.h"
+#include "prcmon.h"
+#include "nspr.h"
+
+NS_IMPL_ISUPPORTS(nsImapFlagAndUidState, nsIImapFlagAndUidState)
+
+using namespace mozilla;
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetNumberOfMessages(int32_t *result)
+{
+  if (!result)
+    return NS_ERROR_NULL_POINTER;
+  *result = fUids.Length();
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetUidOfMessage(int32_t zeroBasedIndex, uint32_t *aResult)
+{
+  NS_ENSURE_ARG_POINTER(aResult);
+
+  PR_CEnterMonitor(this);
+  *aResult = fUids.SafeElementAt(zeroBasedIndex, nsMsgKey_None);
+  PR_CExitMonitor(this);
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetMessageFlags(int32_t zeroBasedIndex, uint16_t *aResult)
+{
+  NS_ENSURE_ARG_POINTER(aResult);
+  *aResult = fFlags.SafeElementAt(zeroBasedIndex, kNoImapMsgFlag);
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::SetMessageFlags(int32_t zeroBasedIndex, unsigned short flags)
+{
+  if (zeroBasedIndex < (int32_t)fUids.Length())
+    fFlags[zeroBasedIndex] = flags;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetNumberOfRecentMessages(int32_t *result)
+{
+  if (!result)
+    return NS_ERROR_NULL_POINTER;
+  
+  PR_CEnterMonitor(this);
+  uint32_t counter = 0;
+  int32_t numUnseenMessages = 0;
+  
+  for (counter = 0; counter < fUids.Length(); counter++)
+  {
+    if (fFlags[counter] & kImapMsgRecentFlag)
+      numUnseenMessages++;
+  }
+  PR_CExitMonitor(this);
+  
+  *result = numUnseenMessages;
+  
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetPartialUIDFetch(bool *aPartialUIDFetch)
+{
+  NS_ENSURE_ARG_POINTER(aPartialUIDFetch);
+  *aPartialUIDFetch = fPartialUIDFetch;
+  return NS_OK;
+}
+
+/* amount to expand for imap entry flags when we need more */
+
+nsImapFlagAndUidState::nsImapFlagAndUidState(int32_t numberOfMessages)
+  : fUids(numberOfMessages),
+    fFlags(numberOfMessages),
+    m_customFlagsHash(10),
+    m_customAttributesHash(10),
+    mLock("nsImapFlagAndUidState.mLock")
+{
+  fSupportedUserFlags = 0;
+  fNumberDeleted = 0;
+  fPartialUIDFetch = true;
+}
+
+nsImapFlagAndUidState::~nsImapFlagAndUidState()
+{
+}
+
+NS_IMETHODIMP
+nsImapFlagAndUidState::OrSupportedUserFlags(uint16_t flags)
+{
+  fSupportedUserFlags |= flags;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsImapFlagAndUidState::GetSupportedUserFlags(uint16_t *aFlags)
+{
+  NS_ENSURE_ARG_POINTER(aFlags);
+  *aFlags = fSupportedUserFlags;
+  return NS_OK;
+}
+
+// we need to reset our flags, (re-read all) but chances are the memory allocation needed will be
+// very close to what we were already using
+
+NS_IMETHODIMP nsImapFlagAndUidState::Reset()
+{
+  PR_CEnterMonitor(this);
+  fNumberDeleted = 0;
+  m_customFlagsHash.Clear();
+  fUids.Clear();
+  fFlags.Clear();
+  fPartialUIDFetch = true;
+  PR_CExitMonitor(this);
+  return NS_OK;
+}
+
+
+// Remove (expunge) a message from our array, since now it is gone for good
+
+NS_IMETHODIMP nsImapFlagAndUidState::ExpungeByIndex(uint32_t msgIndex)
+{
+  // protect ourselves in case the server gave us an index key of -1 or 0
+  if ((int32_t) msgIndex <= 0)
+    return NS_ERROR_INVALID_ARG;
+
+  if ((uint32_t) fUids.Length() < msgIndex)
+    return NS_ERROR_INVALID_ARG;
+
+  PR_CEnterMonitor(this);
+  msgIndex--;  // msgIndex is 1-relative
+  if (fFlags[msgIndex] & kImapMsgDeletedFlag) // see if we already had counted this one as deleted
+    fNumberDeleted--;
+  fUids.RemoveElementAt(msgIndex);
+  fFlags.RemoveElementAt(msgIndex);
+  PR_CExitMonitor(this);
+  return NS_OK;
+}
+
+
+// adds to sorted list, protects against duplicates and going past array bounds.
+NS_IMETHODIMP nsImapFlagAndUidState::AddUidFlagPair(uint32_t uid, imapMessageFlagsType flags, uint32_t zeroBasedIndex)
+{
+  if (uid == nsMsgKey_None) // ignore uid of -1
+    return NS_OK;
+  // check for potential overflow in buffer size for uid array
+  if (zeroBasedIndex > 0x3FFFFFFF)
+    return NS_ERROR_INVALID_ARG;
+  PR_CEnterMonitor(this);
+  // make sure there is room for this pair
+  if (zeroBasedIndex >= fUids.Length())
+  {
+    int32_t sizeToGrowBy = zeroBasedIndex - fUids.Length() + 1;
+    fUids.InsertElementsAt(fUids.Length(), sizeToGrowBy, 0);
+    fFlags.InsertElementsAt(fFlags.Length(), sizeToGrowBy, 0);
+  }
+
+  fUids[zeroBasedIndex] = uid;
+  fFlags[zeroBasedIndex] = flags;
+  if (flags & kImapMsgDeletedFlag)
+    fNumberDeleted++;
+  PR_CExitMonitor(this);
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetNumberOfDeletedMessages(int32_t *numDeletedMessages)
+{
+  NS_ENSURE_ARG_POINTER(numDeletedMessages);
+  *numDeletedMessages = NumberOfDeletedMessages();
+  return NS_OK;
+}
+
+int32_t nsImapFlagAndUidState::NumberOfDeletedMessages()
+{
+  return fNumberDeleted;
+}
+	
+// since the uids are sorted, start from the back (rb)
+
+uint32_t  nsImapFlagAndUidState::GetHighestNonDeletedUID()
+{
+  uint32_t msgIndex = fUids.Length();
+  do 
+  {
+    if (msgIndex <= 0)
+      return(0);
+    msgIndex--;
+    if (fUids[msgIndex] && !(fFlags[msgIndex] & kImapMsgDeletedFlag))
+      return fUids[msgIndex];
+  }
+  while (msgIndex > 0);
+  return 0;
+}
+
+
+// Has the user read the last message here ? Used when we first open the inbox to see if there
+// really is new mail there.
+
+bool nsImapFlagAndUidState::IsLastMessageUnseen()
+{
+  uint32_t msgIndex = fUids.Length();
+  
+  if (msgIndex <= 0)
+    return false;
+  msgIndex--;
+  // if last message is deleted, it was probably filtered the last time around
+  if (fUids[msgIndex] && (fFlags[msgIndex] & (kImapMsgSeenFlag | kImapMsgDeletedFlag)))
+    return false;
+  return true; 
+}
+
+// find a message flag given a key with non-recursive binary search, since some folders
+// may have thousand of messages, once we find the key set its index, or the index of
+// where the key should be inserted
+
+imapMessageFlagsType nsImapFlagAndUidState::GetMessageFlagsFromUID(uint32_t uid, bool *foundIt, int32_t *ndx)
+{
+  PR_CEnterMonitor(this);
+  *ndx = (int32_t) fUids.IndexOfFirstElementGt(uid) - 1;
+  *foundIt = *ndx >= 0 && fUids[*ndx] == uid;
+  imapMessageFlagsType retFlags = (*foundIt) ? fFlags[*ndx] : kNoImapMsgFlag;
+  PR_CExitMonitor(this);
+  return retFlags;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::AddUidCustomFlagPair(uint32_t uid, const char *customFlag)
+{
+  if (!customFlag)
+    return NS_OK;
+
+  MutexAutoLock mon(mLock);
+  nsCString ourCustomFlags;
+  nsCString oldValue;
+  if (m_customFlagsHash.Get(uid, &oldValue))
+  {
+    // We'll store multiple keys as space-delimited since space is not
+    // a valid character in a keyword. First, we need to look for the
+    // customFlag in the existing flags;
+    nsDependentCString customFlagString(customFlag);
+    int32_t existingCustomFlagPos = oldValue.Find(customFlagString);
+    uint32_t customFlagLen = customFlagString.Length();
+    while (existingCustomFlagPos != kNotFound)
+    {
+      // if existing flags ends with this exact flag, or flag + ' '
+      // and the flag is at the beginning of the string or there is ' ' + flag
+      // then we have this flag already;
+      if (((oldValue.Length() == existingCustomFlagPos + customFlagLen) ||
+           (oldValue.CharAt(existingCustomFlagPos + customFlagLen) == ' ')) &&
+           ((existingCustomFlagPos == 0) ||
+            (oldValue.CharAt(existingCustomFlagPos - 1) == ' ')))
+        return NS_OK;
+      // else, advance to next flag
+      existingCustomFlagPos = MsgFind(oldValue, customFlagString, false, existingCustomFlagPos + customFlagLen);
+    }
+    ourCustomFlags.Assign(oldValue);
+    ourCustomFlags.AppendLiteral(" ");
+    ourCustomFlags.Append(customFlag);
+    m_customFlagsHash.Remove(uid);
+  }
+  else
+  {
+    ourCustomFlags.Assign(customFlag);
+  }
+  m_customFlagsHash.Put(uid, ourCustomFlags);
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetCustomFlags(uint32_t uid, char **customFlags)
+{
+  MutexAutoLock mon(mLock);
+  nsCString value;
+  if (m_customFlagsHash.Get(uid, &value))
+  {
+    *customFlags = NS_strdup(value.get());
+    return (*customFlags) ? NS_OK : NS_ERROR_FAILURE;
+  }
+  *customFlags = nullptr;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::ClearCustomFlags(uint32_t uid)
+{
+  MutexAutoLock mon(mLock);
+  m_customFlagsHash.Remove(uid);
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::SetCustomAttribute(uint32_t aUid,
+                                                        const nsACString &aCustomAttributeName,
+                                                        const nsACString &aCustomAttributeValue)
+{
+  nsCString key;
+  key.AppendInt((int64_t)aUid);
+  key.Append(aCustomAttributeName);
+  nsCString value;
+  value.Assign(aCustomAttributeValue);
+  m_customAttributesHash.Put(key, value);
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetCustomAttribute(uint32_t aUid,
+                                                        const nsACString &aCustomAttributeName,
+                                                        nsACString &aCustomAttributeValue)
+{
+  nsCString key;
+  key.AppendInt((int64_t)aUid);
+  key.Append(aCustomAttributeName);
+  nsCString val;
+  m_customAttributesHash.Get(key, &val);
+  aCustomAttributeValue.Assign(val);
+  return NS_OK;
+}