gecko-dev/rdf/base/nsNameSpaceMap.cpp

65 строки
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* 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 "nsNameSpaceMap.h"
#include "nsReadableUtils.h"
nsNameSpaceMap::nsNameSpaceMap()
: mEntries(nullptr)
{
MOZ_COUNT_CTOR(nsNameSpaceMap);
}
nsNameSpaceMap::~nsNameSpaceMap()
{
MOZ_COUNT_DTOR(nsNameSpaceMap);
while (mEntries) {
Entry* doomed = mEntries;
mEntries = mEntries->mNext;
delete doomed;
}
}
nsresult
nsNameSpaceMap::Put(const nsAString& aURI, nsIAtom* aPrefix)
{
nsCString uriUTF8;
AppendUTF16toUTF8(aURI, uriUTF8);
return Put(uriUTF8, aPrefix);
}
nsresult
nsNameSpaceMap::Put(const nsCSubstring& aURI, nsIAtom* aPrefix)
{
Entry* entry;
// Make sure we're not adding a duplicate
for (entry = mEntries; entry != nullptr; entry = entry->mNext) {
if (entry->mURI == aURI || entry->mPrefix == aPrefix)
return NS_ERROR_FAILURE;
}
entry = new Entry(aURI, aPrefix);
if (! entry)
return NS_ERROR_OUT_OF_MEMORY;
entry->mNext = mEntries;
mEntries = entry;
return NS_OK;
}
nsNameSpaceMap::const_iterator
nsNameSpaceMap::GetNameSpaceOf(const nsCSubstring& aURI) const
{
for (Entry* entry = mEntries; entry != nullptr; entry = entry->mNext) {
if (StringBeginsWith(aURI, entry->mURI))
return const_iterator(entry);
}
return last();
}