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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 /xpcom/reflect/xptinfo/xptinfo.cpp
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 'xpcom/reflect/xptinfo/xptinfo.cpp')
-rw-r--r--xpcom/reflect/xptinfo/xptinfo.cpp105
1 files changed, 105 insertions, 0 deletions
diff --git a/xpcom/reflect/xptinfo/xptinfo.cpp b/xpcom/reflect/xptinfo/xptinfo.cpp
new file mode 100644
index 0000000000..c44e97cad4
--- /dev/null
+++ b/xpcom/reflect/xptinfo/xptinfo.cpp
@@ -0,0 +1,105 @@
+/* -*- 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 https://mozilla.org/MPL/2.0/. */
+
+#include "xptinfo.h"
+#include "nsISupports.h"
+#include "mozilla/dom/DOMJSClass.h"
+#include "mozilla/dom/BindingUtils.h"
+#include "mozilla/ArrayUtils.h"
+
+#include "jsfriendapi.h"
+#include "js/Symbol.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+using namespace xpt::detail;
+
+////////////////////////////////////
+// Constant Lookup Helper Methods //
+////////////////////////////////////
+
+bool nsXPTInterfaceInfo::HasAncestor(const nsIID& aIID) const {
+ for (const auto* info = this; info; info = info->GetParent()) {
+ if (info->IID() == aIID) {
+ return true;
+ }
+ }
+ return false;
+}
+
+const nsXPTConstantInfo& nsXPTInterfaceInfo::Constant(uint16_t aIndex) const {
+ MOZ_ASSERT(aIndex < ConstantCount());
+
+ if (const nsXPTInterfaceInfo* pi = GetParent()) {
+ if (aIndex < pi->ConstantCount()) {
+ return pi->Constant(aIndex);
+ }
+ aIndex -= pi->ConstantCount();
+ }
+
+ return xpt::detail::GetConstant(mConsts + aIndex);
+}
+
+const nsXPTMethodInfo& nsXPTInterfaceInfo::Method(uint16_t aIndex) const {
+ MOZ_ASSERT(aIndex < MethodCount());
+
+ if (const nsXPTInterfaceInfo* pi = GetParent()) {
+ if (aIndex < pi->MethodCount()) {
+ return pi->Method(aIndex);
+ }
+ aIndex -= pi->MethodCount();
+ }
+
+ return xpt::detail::GetMethod(mMethods + aIndex);
+}
+
+nsresult nsXPTInterfaceInfo::GetMethodInfo(
+ uint16_t aIndex, const nsXPTMethodInfo** aInfo) const {
+ *aInfo = aIndex < MethodCount() ? &Method(aIndex) : nullptr;
+ return *aInfo ? NS_OK : NS_ERROR_FAILURE;
+}
+
+nsresult nsXPTInterfaceInfo::GetConstant(uint16_t aIndex,
+ JS::MutableHandle<JS::Value> aConstant,
+ char** aName) const {
+ if (aIndex < ConstantCount()) {
+ aConstant.set(Constant(aIndex).JSValue());
+ *aName = moz_xstrdup(Constant(aIndex).Name());
+ return NS_OK;
+ }
+ return NS_ERROR_FAILURE;
+}
+
+////////////////////////////////////
+// nsXPTMethodInfo symbol helpers //
+////////////////////////////////////
+
+const char* nsXPTMethodInfo::SymbolDescription() const {
+ switch (GetSymbolCode()) {
+#define XPC_WELL_KNOWN_SYMBOL_DESCR_CASE(name) \
+ case JS::SymbolCode::name: \
+ return #name;
+ JS_FOR_EACH_WELL_KNOWN_SYMBOL(XPC_WELL_KNOWN_SYMBOL_DESCR_CASE)
+#undef XPC_WELL_KNOWN_SYMBOL_DESCR_CASE
+
+ default:
+ return "";
+ }
+}
+
+bool nsXPTMethodInfo::GetId(JSContext* aCx, jsid& aId) const {
+ if (IsSymbol()) {
+ aId = JS::PropertyKey::Symbol(GetSymbol(aCx));
+ return true;
+ }
+
+ JSString* str = JS_AtomizeString(aCx, Name());
+ if (!str) {
+ return false;
+ }
+ aId = JS::PropertyKey::NonIntAtom(str);
+ return true;
+}