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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/indexedDB/KeyPath.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/indexedDB/KeyPath.h')
-rw-r--r--dom/indexedDB/KeyPath.h120
1 files changed, 120 insertions, 0 deletions
diff --git a/dom/indexedDB/KeyPath.h b/dom/indexedDB/KeyPath.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef mozilla_dom_indexeddb_keypath_h__
+#define mozilla_dom_indexeddb_keypath_h__
+
+#include <new>
+#include <utility>
+#include "js/TypeDecls.h"
+#include "mozilla/Result.h"
+#include "mozilla/ipc/IPCForwards.h"
+#include "nsISupports.h"
+#include "nsError.h"
+#include "nsString.h"
+#include "nsTArray.h"
+
+namespace JS {
+template <class T>
+class Heap;
+}
+
+namespace mozilla::dom {
+
+class OwningStringOrStringSequence;
+template <typename T>
+class Sequence;
+template <typename T>
+struct Nullable;
+
+namespace indexedDB {
+
+class IndexMetadata;
+class Key;
+class ObjectStoreMetadata;
+
+class KeyPath {
+ // This private constructor is only to be used by IPDL-generated classes.
+ friend class IndexMetadata;
+ friend class ObjectStoreMetadata;
+ ALLOW_DEPRECATED_READPARAM
+
+ KeyPath() : mType(KeyPathType::NonExistent) { MOZ_COUNT_CTOR(KeyPath); }
+
+ public:
+ enum class KeyPathType { NonExistent, String, Array, EndGuard };
+
+ void SetType(KeyPathType aType);
+
+ bool AppendStringWithValidation(const nsAString& aString);
+
+ explicit KeyPath(int aDummy) : mType(KeyPathType::NonExistent) {
+ MOZ_COUNT_CTOR(KeyPath);
+ }
+
+ KeyPath(KeyPath&& aOther) {
+ MOZ_COUNT_CTOR(KeyPath);
+ *this = std::move(aOther);
+ }
+ KeyPath& operator=(KeyPath&&) = default;
+
+ KeyPath(const KeyPath& aOther) {
+ MOZ_COUNT_CTOR(KeyPath);
+ *this = aOther;
+ }
+ KeyPath& operator=(const KeyPath&) = default;
+
+ MOZ_COUNTED_DTOR(KeyPath)
+
+ static Result<KeyPath, nsresult> Parse(const nsAString& aString);
+
+ static Result<KeyPath, nsresult> Parse(const Sequence<nsString>& aStrings);
+
+ static Result<KeyPath, nsresult> Parse(
+ const Nullable<OwningStringOrStringSequence>& aValue);
+
+ nsresult ExtractKey(JSContext* aCx, const JS::Value& aValue, Key& aKey) const;
+
+ nsresult ExtractKeyAsJSVal(JSContext* aCx, const JS::Value& aValue,
+ JS::Value* aOutVal) const;
+
+ using ExtractOrCreateKeyCallback = nsresult (*)(JSContext*, void*);
+
+ nsresult ExtractOrCreateKey(JSContext* aCx, const JS::Value& aValue,
+ Key& aKey, ExtractOrCreateKeyCallback aCallback,
+ void* aClosure) const;
+
+ inline bool IsValid() const { return mType != KeyPathType::NonExistent; }
+
+ inline bool IsArray() const { return mType == KeyPathType::Array; }
+
+ inline bool IsString() const { return mType == KeyPathType::String; }
+
+ inline bool IsEmpty() const {
+ return mType == KeyPathType::String && mStrings[0].IsEmpty();
+ }
+
+ bool operator==(const KeyPath& aOther) const {
+ return mType == aOther.mType && mStrings == aOther.mStrings;
+ }
+
+ nsAutoString SerializeToString() const;
+ static KeyPath DeserializeFromString(const nsAString& aString);
+
+ nsresult ToJSVal(JSContext* aCx, JS::MutableHandle<JS::Value> aValue) const;
+ nsresult ToJSVal(JSContext* aCx, JS::Heap<JS::Value>& aValue) const;
+
+ bool IsAllowedForObjectStore(bool aAutoIncrement) const;
+
+ KeyPathType mType;
+
+ CopyableTArray<nsString> mStrings;
+};
+
+} // namespace indexedDB
+} // namespace mozilla::dom
+
+#endif // mozilla_dom_indexeddb_keypath_h__