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/*
* Copyright (C) 2010 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/platform/wtf/text/string_statics.h"
#include "third_party/blink/renderer/platform/wtf/dynamic_annotations.h"
#include "third_party/blink/renderer/platform/wtf/static_constructors.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string.h"
#include "third_party/blink/renderer/platform/wtf/text/string_impl.h"
namespace WTF {
WTF_EXPORT DEFINE_GLOBAL(AtomicString, g_null_atom);
WTF_EXPORT DEFINE_GLOBAL(AtomicString, g_empty_atom);
WTF_EXPORT DEFINE_GLOBAL(AtomicString, g_star_atom);
WTF_EXPORT DEFINE_GLOBAL(AtomicString, g_xml_atom);
WTF_EXPORT DEFINE_GLOBAL(AtomicString, g_xmlns_atom);
WTF_EXPORT DEFINE_GLOBAL(AtomicString, g_xlink_atom);
WTF_EXPORT DEFINE_GLOBAL(AtomicString, g_http_atom);
WTF_EXPORT DEFINE_GLOBAL(AtomicString, g_https_atom);
// This is not an AtomicString because it is unlikely to be used as an
// event/element/attribute name, so it shouldn't pollute the AtomicString hash
// table.
WTF_EXPORT DEFINE_GLOBAL(String, g_xmlns_with_colon);
WTF_EXPORT DEFINE_GLOBAL(String, g_empty_string);
WTF_EXPORT DEFINE_GLOBAL(String, g_empty_string16_bit);
NEVER_INLINE unsigned StringImpl::HashSlowCase() const {
if (Is8Bit())
SetHash(StringHasher::ComputeHashAndMaskTop8Bits(Characters8(), length_));
else
SetHash(StringHasher::ComputeHashAndMaskTop8Bits(Characters16(), length_));
return ExistingHash();
}
void AtomicString::Init() {
DCHECK(IsMainThread());
new (NotNull, (void*)&g_null_atom) AtomicString;
new (NotNull, (void*)&g_empty_atom) AtomicString("");
}
template <unsigned charactersCount>
scoped_refptr<StringImpl> AddStaticASCIILiteral(
const char (&characters)[charactersCount]) {
unsigned length = charactersCount - 1;
unsigned hash = StringHasher::ComputeHashAndMaskTop8Bits(
reinterpret_cast<const LChar*>(characters), length);
return base::AdoptRef(StringImpl::CreateStatic(characters, length, hash));
}
void StringStatics::Init() {
DCHECK(IsMainThread());
StringImpl::InitStatics();
new (NotNull, (void*)&g_empty_string) String(StringImpl::empty_);
new (NotNull, (void*)&g_empty_string16_bit) String(StringImpl::empty16_bit_);
// FIXME: These should be allocated at compile time.
new (NotNull, (void*)&g_star_atom) AtomicString("*");
new (NotNull, (void*)&g_xml_atom) AtomicString(AddStaticASCIILiteral("xml"));
new (NotNull, (void*)&g_xmlns_atom)
AtomicString(AddStaticASCIILiteral("xmlns"));
new (NotNull, (void*)&g_xlink_atom)
AtomicString(AddStaticASCIILiteral("xlink"));
new (NotNull, (void*)&g_xmlns_with_colon) String("xmlns:");
new (NotNull, (void*)&g_http_atom)
AtomicString(AddStaticASCIILiteral("http"));
new (NotNull, (void*)&g_https_atom)
AtomicString(AddStaticASCIILiteral("https"));
}
} // namespace WTF
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