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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /editor/libeditor/HTMLURIRefObject.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'editor/libeditor/HTMLURIRefObject.cpp')
-rw-r--r--editor/libeditor/HTMLURIRefObject.cpp262
1 files changed, 262 insertions, 0 deletions
diff --git a/editor/libeditor/HTMLURIRefObject.cpp b/editor/libeditor/HTMLURIRefObject.cpp
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+++ b/editor/libeditor/HTMLURIRefObject.cpp
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+/* Here is the list, from beppe and glazman:
+ href >> A, AREA, BASE, LINK
+ src >> FRAME, IFRAME, IMG, INPUT, SCRIPT
+ <META http-equiv="refresh" content="3,http://www.acme.com/intro.html">
+ longdesc >> FRAME, IFRAME, IMG
+ usemap >> IMG, INPUT, OBJECT
+ action >> FORM
+ background >> BODY
+ codebase >> OBJECT, APPLET
+ classid >> OBJECT
+ data >> OBJECT
+ cite >> BLOCKQUOTE, DEL, INS, Q
+ profile >> HEAD
+ ARCHIVE attribute on APPLET ; warning, it contains a list of URIs.
+
+ Easier way of organizing the list:
+ a: href
+ area: href
+ base: href
+ body: background
+ blockquote: cite (not normally rewritable)
+ link: href
+ frame: src, longdesc
+ iframe: src, longdesc
+ input: src, usemap
+ form: action
+ img: src, longdesc, usemap
+ script: src
+ applet: codebase, archive <list>
+ object: codebase, data, classid, usemap
+ head: profile
+ del: cite
+ ins: cite
+ q: cite
+ */
+
+#include "HTMLURIRefObject.h"
+
+#include "mozilla/mozalloc.h"
+#include "nsAString.h"
+#include "nsDebug.h"
+#include "nsError.h"
+#include "nsID.h"
+#include "nsIDOMAttr.h"
+#include "nsIDOMElement.h"
+#include "nsIDOMMozNamedAttrMap.h"
+#include "nsIDOMNode.h"
+#include "nsISupportsUtils.h"
+#include "nsString.h"
+
+namespace mozilla {
+
+// String classes change too often and I can't keep up.
+// Set this macro to this week's approved case-insensitive compare routine.
+#define MATCHES(tagName, str) tagName.EqualsIgnoreCase(str)
+
+HTMLURIRefObject::HTMLURIRefObject()
+ : mCurAttrIndex(0)
+ , mAttributeCnt(0)
+{
+}
+
+HTMLURIRefObject::~HTMLURIRefObject()
+{
+}
+
+//Interfaces for addref and release and queryinterface
+NS_IMPL_ISUPPORTS(HTMLURIRefObject, nsIURIRefObject)
+
+NS_IMETHODIMP
+HTMLURIRefObject::Reset()
+{
+ mCurAttrIndex = 0;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+HTMLURIRefObject::GetNextURI(nsAString& aURI)
+{
+ NS_ENSURE_TRUE(mNode, NS_ERROR_NOT_INITIALIZED);
+
+ // XXX Why don't you use nsIAtom for comparing the tag name a lot?
+ nsAutoString tagName;
+ nsresult rv = mNode->GetNodeName(tagName);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // Loop over attribute list:
+ if (!mAttributes) {
+ nsCOMPtr<nsIDOMElement> element (do_QueryInterface(mNode));
+ NS_ENSURE_TRUE(element, NS_ERROR_INVALID_ARG);
+
+ mCurAttrIndex = 0;
+ element->GetAttributes(getter_AddRefs(mAttributes));
+ NS_ENSURE_TRUE(mAttributes, NS_ERROR_NOT_INITIALIZED);
+
+ rv = mAttributes->GetLength(&mAttributeCnt);
+ NS_ENSURE_SUCCESS(rv, rv);
+ NS_ENSURE_TRUE(mAttributeCnt, NS_ERROR_FAILURE);
+ mCurAttrIndex = 0;
+ }
+
+ while (mCurAttrIndex < mAttributeCnt) {
+ nsCOMPtr<nsIDOMAttr> attrNode;
+ rv = mAttributes->Item(mCurAttrIndex++, getter_AddRefs(attrNode));
+ NS_ENSURE_SUCCESS(rv, rv);
+ NS_ENSURE_ARG_POINTER(attrNode);
+ nsString curAttr;
+ rv = attrNode->GetName(curAttr);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // href >> A, AREA, BASE, LINK
+ if (MATCHES(curAttr, "href")) {
+ if (!MATCHES(tagName, "a") && !MATCHES(tagName, "area") &&
+ !MATCHES(tagName, "base") && !MATCHES(tagName, "link")) {
+ continue;
+ }
+ rv = attrNode->GetValue(aURI);
+ NS_ENSURE_SUCCESS(rv, rv);
+ nsString uri (aURI);
+ // href pointing to a named anchor doesn't count
+ if (aURI.First() != char16_t('#')) {
+ return NS_OK;
+ }
+ aURI.Truncate();
+ return NS_ERROR_INVALID_ARG;
+ }
+ // src >> FRAME, IFRAME, IMG, INPUT, SCRIPT
+ else if (MATCHES(curAttr, "src")) {
+ if (!MATCHES(tagName, "img") &&
+ !MATCHES(tagName, "frame") && !MATCHES(tagName, "iframe") &&
+ !MATCHES(tagName, "input") && !MATCHES(tagName, "script")) {
+ continue;
+ }
+ return attrNode->GetValue(aURI);
+ }
+ //<META http-equiv="refresh" content="3,http://www.acme.com/intro.html">
+ else if (MATCHES(curAttr, "content")) {
+ if (!MATCHES(tagName, "meta")) {
+ continue;
+ }
+ }
+ // longdesc >> FRAME, IFRAME, IMG
+ else if (MATCHES(curAttr, "longdesc")) {
+ if (!MATCHES(tagName, "img") &&
+ !MATCHES(tagName, "frame") && !MATCHES(tagName, "iframe")) {
+ continue;
+ }
+ }
+ // usemap >> IMG, INPUT, OBJECT
+ else if (MATCHES(curAttr, "usemap")) {
+ if (!MATCHES(tagName, "img") &&
+ !MATCHES(tagName, "input") && !MATCHES(tagName, "object")) {
+ continue;
+ }
+ }
+ // action >> FORM
+ else if (MATCHES(curAttr, "action")) {
+ if (!MATCHES(tagName, "form")) {
+ continue;
+ }
+ }
+ // background >> BODY
+ else if (MATCHES(curAttr, "background")) {
+ if (!MATCHES(tagName, "body")) {
+ continue;
+ }
+ }
+ // codebase >> OBJECT, APPLET
+ else if (MATCHES(curAttr, "codebase")) {
+ if (!MATCHES(tagName, "meta")) {
+ continue;
+ }
+ }
+ // classid >> OBJECT
+ else if (MATCHES(curAttr, "classid")) {
+ if (!MATCHES(tagName, "object")) {
+ continue;
+ }
+ }
+ // data >> OBJECT
+ else if (MATCHES(curAttr, "data")) {
+ if (!MATCHES(tagName, "object")) {
+ continue;
+ }
+ }
+ // cite >> BLOCKQUOTE, DEL, INS, Q
+ else if (MATCHES(curAttr, "cite")) {
+ if (!MATCHES(tagName, "blockquote") && !MATCHES(tagName, "q") &&
+ !MATCHES(tagName, "del") && !MATCHES(tagName, "ins")) {
+ continue;
+ }
+ }
+ // profile >> HEAD
+ else if (MATCHES(curAttr, "profile")) {
+ if (!MATCHES(tagName, "head")) {
+ continue;
+ }
+ }
+ // archive attribute on APPLET; warning, it contains a list of URIs.
+ else if (MATCHES(curAttr, "archive")) {
+ if (!MATCHES(tagName, "applet")) {
+ continue;
+ }
+ }
+ }
+ // Return a code to indicate that there are no more,
+ // to distinguish that case from real errors.
+ return NS_ERROR_NOT_AVAILABLE;
+}
+
+NS_IMETHODIMP
+HTMLURIRefObject::RewriteAllURIs(const nsAString& aOldPat,
+ const nsAString& aNewPat,
+ bool aMakeRel)
+{
+ return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+HTMLURIRefObject::GetNode(nsIDOMNode** aNode)
+{
+ NS_ENSURE_TRUE(mNode, NS_ERROR_NOT_INITIALIZED);
+ NS_ENSURE_TRUE(aNode, NS_ERROR_NULL_POINTER);
+ *aNode = mNode.get();
+ NS_ADDREF(*aNode);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+HTMLURIRefObject::SetNode(nsIDOMNode* aNode)
+{
+ mNode = aNode;
+ nsAutoString dummyURI;
+ if (NS_SUCCEEDED(GetNextURI(dummyURI))) {
+ mCurAttrIndex = 0; // Reset so we'll get the first node next time
+ return NS_OK;
+ }
+
+ // If there weren't any URIs in the attributes,
+ // then don't accept this node.
+ mNode = nullptr;
+ return NS_ERROR_INVALID_ARG;
+}
+
+} // namespace mozilla
+
+nsresult NS_NewHTMLURIRefObject(nsIURIRefObject** aResult, nsIDOMNode* aNode)
+{
+ RefPtr<mozilla::HTMLURIRefObject> refObject = new mozilla::HTMLURIRefObject();
+ nsresult rv = refObject->SetNode(aNode);
+ if (NS_FAILED(rv)) {
+ *aResult = 0;
+ return rv;
+ }
+ refObject.forget(aResult);
+ return NS_OK;
+}