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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:49:04 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:49:04 +0000 |
commit | 16f504a9dca3fe3b70568f67b7d41241ae485288 (patch) | |
tree | c60f36ada0496ba928b7161059ba5ab1ab224f9d /src/libs/xpcom18a4/xpcom/ds/nsCheapSets.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.tar.xz virtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.zip |
Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libs/xpcom18a4/xpcom/ds/nsCheapSets.cpp')
-rw-r--r-- | src/libs/xpcom18a4/xpcom/ds/nsCheapSets.cpp | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/ds/nsCheapSets.cpp b/src/libs/xpcom18a4/xpcom/ds/nsCheapSets.cpp new file mode 100644 index 00000000..954de2d1 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/ds/nsCheapSets.cpp @@ -0,0 +1,180 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (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.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Mozilla Communicator client code. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +#include "nsCheapSets.h" + +nsCheapStringSet::~nsCheapStringSet() +{ + nsStringHashSet* set = GetHash(); + if (set) { + delete set; + } else { + delete GetStr(); + } +} + +/** + * Put a string into the table + */ +nsresult +nsCheapStringSet::Put(const nsAString& aVal) +{ + // Add the value to the hash if it is there + nsStringHashSet* set = GetHash(); + if (set) { + return set->Put(aVal); + } + + // If a string is already there, create a hashtable and both of these to it + if (GetStr()) { + nsAString* oldStr = GetStr(); + nsresult rv = InitHash(&set); + NS_ENSURE_SUCCESS(rv, rv); + + rv = set->Put(*oldStr); + delete oldStr; + NS_ENSURE_SUCCESS(rv, rv); + + return set->Put(aVal); + } + + // Nothing exists in the hash right now, so just set the single string + return SetStr(aVal); +} + +void +nsCheapStringSet::Remove(const nsAString& aVal) +{ + // Remove from the hash if the hash is there + nsStringHashSet* set = GetHash(); + if (set) { + set->Remove(aVal); + return; + } + + // Remove the string if there is just a string + nsAString* str = GetStr(); + if (str && str->Equals(aVal)) { + delete str; + mValOrHash = nsnull; + } +} + +nsresult +nsCheapStringSet::InitHash(nsStringHashSet** aSet) +{ + nsStringHashSet* newSet = new nsStringHashSet(); + if (!newSet) { + return NS_ERROR_OUT_OF_MEMORY; + } + + nsresult rv = newSet->Init(10); + NS_ENSURE_SUCCESS(rv, rv); + + mValOrHash = newSet; + *aSet = newSet; + return NS_OK; +} + + +nsCheapInt32Set::~nsCheapInt32Set() +{ + delete GetHash(); +} + +nsresult +nsCheapInt32Set::Put(PRInt32 aVal) +{ + // Add the value to the hash or set the pointer as an int + nsInt32HashSet* set = GetHash(); + if (set) { + return set->Put(aVal); + } + + // Create the hash and add the value to it if there is an int already + if (IsInt()) { + PRInt32 oldInt = GetInt(); + + nsresult rv = InitHash(&set); + NS_ENSURE_SUCCESS(rv, rv); + + rv = set->Put(oldInt); + NS_ENSURE_SUCCESS(rv, rv); + + return set->Put(aVal); + } + + // Create the hash anyway if the int is negative (negative numbers cannot + // fit into our PtrBits abstraction) + if (aVal < 0) { + nsresult rv = InitHash(&set); + NS_ENSURE_SUCCESS(rv, rv); + + return set->Put(aVal); + } + + // Finally, just set the int if we can't do anything with hashes + SetInt(aVal); + return NS_OK; +} + +void +nsCheapInt32Set::Remove(PRInt32 aVal) +{ + nsInt32HashSet* set = GetHash(); + if (set) { + set->Remove(aVal); + } else if (IsInt() && GetInt() == aVal) { + mValOrHash = nsnull; + } +} + +nsresult +nsCheapInt32Set::InitHash(nsInt32HashSet** aSet) +{ + nsInt32HashSet* newSet = new nsInt32HashSet(); + if (!newSet) { + return NS_ERROR_OUT_OF_MEMORY; + } + + nsresult rv = newSet->Init(10); + NS_ENSURE_SUCCESS(rv, rv); + + mValOrHash = newSet; + *aSet = newSet; + return NS_OK; +} |