From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 dom/xml/XMLStylesheetProcessingInstruction.cpp | 157 +++++++++++++++++++++++++
 1 file changed, 157 insertions(+)
 create mode 100644 dom/xml/XMLStylesheetProcessingInstruction.cpp

(limited to 'dom/xml/XMLStylesheetProcessingInstruction.cpp')

diff --git a/dom/xml/XMLStylesheetProcessingInstruction.cpp b/dom/xml/XMLStylesheetProcessingInstruction.cpp
new file mode 100644
index 0000000000..9285672bbf
--- /dev/null
+++ b/dom/xml/XMLStylesheetProcessingInstruction.cpp
@@ -0,0 +1,157 @@
+/* -*- 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/. */
+
+#include "XMLStylesheetProcessingInstruction.h"
+
+#include "mozilla/dom/Document.h"
+#include "mozilla/dom/ReferrerInfo.h"
+#include "nsContentUtils.h"
+#include "nsNetUtil.h"
+
+namespace mozilla::dom {
+
+// nsISupports implementation
+
+NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(
+    XMLStylesheetProcessingInstruction, ProcessingInstruction)
+
+NS_IMPL_CYCLE_COLLECTION_CLASS(XMLStylesheetProcessingInstruction)
+
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(
+    XMLStylesheetProcessingInstruction, ProcessingInstruction)
+  tmp->LinkStyle::Traverse(cb);
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
+
+NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(
+    XMLStylesheetProcessingInstruction, ProcessingInstruction)
+  tmp->LinkStyle::Unlink();
+NS_IMPL_CYCLE_COLLECTION_UNLINK_END
+
+XMLStylesheetProcessingInstruction::~XMLStylesheetProcessingInstruction() =
+    default;
+
+// nsIContent
+
+nsresult XMLStylesheetProcessingInstruction::BindToTree(BindContext& aContext,
+                                                        nsINode& aParent) {
+  nsresult rv = ProcessingInstruction::BindToTree(aContext, aParent);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  void (XMLStylesheetProcessingInstruction::*update)() =
+      &XMLStylesheetProcessingInstruction::UpdateStyleSheetInternal;
+  nsContentUtils::AddScriptRunner(NewRunnableMethod(
+      "dom::XMLStylesheetProcessingInstruction::BindToTree", this, update));
+
+  return rv;
+}
+
+void XMLStylesheetProcessingInstruction::UnbindFromTree(bool aNullParent) {
+  nsCOMPtr<Document> oldDoc = GetUncomposedDoc();
+
+  ProcessingInstruction::UnbindFromTree(aNullParent);
+  Unused << UpdateStyleSheetInternal(oldDoc, nullptr);
+}
+
+// nsINode
+
+void XMLStylesheetProcessingInstruction::SetNodeValueInternal(
+    const nsAString& aNodeValue, ErrorResult& aError) {
+  CharacterData::SetNodeValueInternal(aNodeValue, aError);
+  if (!aError.Failed()) {
+    Unused << UpdateStyleSheetInternal(nullptr, nullptr, ForceUpdate::Yes);
+  }
+}
+
+// LinkStyle
+
+void XMLStylesheetProcessingInstruction::GetCharset(nsAString& aCharset) {
+  if (!GetAttrValue(nsGkAtoms::charset, aCharset)) {
+    aCharset.Truncate();
+  }
+}
+
+void XMLStylesheetProcessingInstruction::OverrideBaseURI(nsIURI* aNewBaseURI) {
+  mOverriddenBaseURI = aNewBaseURI;
+}
+
+Maybe<LinkStyle::SheetInfo>
+XMLStylesheetProcessingInstruction::GetStyleSheetInfo() {
+  // xml-stylesheet PI is special only in prolog
+  if (!nsContentUtils::InProlog(this)) {
+    return Nothing();
+  }
+
+  nsAutoString href;
+  if (!GetAttrValue(nsGkAtoms::href, href)) {
+    return Nothing();
+  }
+
+  nsAutoString data;
+  GetData(data);
+
+  nsAutoString title;
+  nsContentUtils::GetPseudoAttributeValue(data, nsGkAtoms::title, title);
+
+  nsAutoString alternateAttr;
+  nsContentUtils::GetPseudoAttributeValue(data, nsGkAtoms::alternate,
+                                          alternateAttr);
+
+  bool alternate = alternateAttr.EqualsLiteral("yes");
+  if (alternate && title.IsEmpty()) {
+    // alternates must have title
+    return Nothing();
+  }
+
+  nsAutoString media;
+  nsContentUtils::GetPseudoAttributeValue(data, nsGkAtoms::media, media);
+
+  // Make sure the type handling here matches
+  // nsXMLContentSink::HandleProcessingInstruction
+  nsAutoString type;
+  nsContentUtils::GetPseudoAttributeValue(data, nsGkAtoms::type, type);
+
+  nsAutoString mimeType, notUsed;
+  nsContentUtils::SplitMimeType(type, mimeType, notUsed);
+  if (!mimeType.IsEmpty() && !mimeType.LowerCaseEqualsLiteral("text/css")) {
+    return Nothing();
+  }
+
+  Document* doc = OwnerDoc();
+  nsIURI* baseURL =
+      mOverriddenBaseURI ? mOverriddenBaseURI.get() : doc->GetDocBaseURI();
+  auto encoding = doc->GetDocumentCharacterSet();
+  nsCOMPtr<nsIURI> uri;
+  NS_NewURI(getter_AddRefs(uri), href, encoding, baseURL);
+
+  return Some(SheetInfo{
+      *doc,
+      this,
+      uri.forget(),
+      nullptr,
+      MakeAndAddRef<ReferrerInfo>(*doc),
+      CORS_NONE,
+      title,
+      media,
+      /* integrity = */ u""_ns,
+      /* nonce = */ u""_ns,
+      alternate ? HasAlternateRel::Yes : HasAlternateRel::No,
+      IsInline::No,
+      IsExplicitlyEnabled::No,
+  });
+}
+
+already_AddRefed<CharacterData>
+XMLStylesheetProcessingInstruction::CloneDataNode(
+    mozilla::dom::NodeInfo* aNodeInfo, bool aCloneText) const {
+  nsAutoString data;
+  GetData(data);
+  RefPtr<mozilla::dom::NodeInfo> ni = aNodeInfo;
+  auto* nim = ni->NodeInfoManager();
+  return do_AddRef(new (nim)
+                       XMLStylesheetProcessingInstruction(ni.forget(), data));
+}
+
+}  // namespace mozilla::dom
-- 
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