mirror of
https://github.com/classilla/tenfourfox.git
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99 lines
2.4 KiB
C++
99 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "txNamespaceMap.h"
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#include "nsGkAtoms.h"
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#include "txXPathNode.h"
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txNamespaceMap::txNamespaceMap()
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{
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}
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txNamespaceMap::txNamespaceMap(const txNamespaceMap& aOther)
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: mPrefixes(aOther.mPrefixes)
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{
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mNamespaces = aOther.mNamespaces; //bah! I want a copy-constructor!
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}
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nsresult
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txNamespaceMap::mapNamespace(nsIAtom* aPrefix, const nsAString& aNamespaceURI)
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{
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nsIAtom* prefix = aPrefix == nsGkAtoms::_empty ? nullptr : aPrefix;
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int32_t nsId;
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if (prefix && aNamespaceURI.IsEmpty()) {
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// Remove the mapping
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int32_t index = mPrefixes.IndexOf(prefix);
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if (index >= 0) {
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mPrefixes.RemoveObjectAt(index);
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mNamespaces.RemoveElementAt(index);
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}
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return NS_OK;
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}
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if (aNamespaceURI.IsEmpty()) {
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// Set default to empty namespace
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nsId = kNameSpaceID_None;
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}
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else {
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nsId = txNamespaceManager::getNamespaceID(aNamespaceURI);
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NS_ENSURE_FALSE(nsId == kNameSpaceID_Unknown, NS_ERROR_FAILURE);
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}
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// Check if the mapping already exists
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int32_t index = mPrefixes.IndexOf(prefix);
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if (index >= 0) {
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mNamespaces.ElementAt(index) = nsId;
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return NS_OK;
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}
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// New mapping
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if (!mPrefixes.AppendObject(prefix)) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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if (mNamespaces.AppendElement(nsId) == nullptr) {
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mPrefixes.RemoveObjectAt(mPrefixes.Count() - 1);
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return NS_OK;
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}
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int32_t
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txNamespaceMap::lookupNamespace(nsIAtom* aPrefix)
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{
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if (aPrefix == nsGkAtoms::xml) {
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return kNameSpaceID_XML;
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}
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nsIAtom* prefix = aPrefix == nsGkAtoms::_empty ? 0 : aPrefix;
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int32_t index = mPrefixes.IndexOf(prefix);
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if (index >= 0) {
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return mNamespaces.SafeElementAt(index, kNameSpaceID_Unknown);
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}
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if (!prefix) {
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return kNameSpaceID_None;
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}
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return kNameSpaceID_Unknown;
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}
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int32_t
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txNamespaceMap::lookupNamespaceWithDefault(const nsAString& aPrefix)
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{
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nsCOMPtr<nsIAtom> prefix = do_GetAtom(aPrefix);
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if (prefix != nsGkAtoms::_poundDefault) {
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return lookupNamespace(prefix);
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}
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return lookupNamespace(nullptr);
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}
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