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/*
* Copyright (C) 2009 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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 "public/platform/WebString.h"
#include "base/strings/string_util.h"
#include "wtf/text/ASCIIFastPath.h"
#include "wtf/text/AtomicString.h"
#include "wtf/text/CString.h"
#include "wtf/text/StringUTF8Adaptor.h"
#include "wtf/text/StringView.h"
#include "wtf/text/WTFString.h"
#define STATIC_ASSERT_ENUM(a, b) \
static_assert(static_cast<int>(a) == static_cast<int>(b), \
"mismatching enums: " #a)
STATIC_ASSERT_ENUM(WTF::LenientUTF8Conversion,
blink::WebString::UTF8ConversionMode::kLenient);
STATIC_ASSERT_ENUM(WTF::StrictUTF8Conversion,
blink::WebString::UTF8ConversionMode::kStrict);
STATIC_ASSERT_ENUM(
WTF::StrictUTF8ConversionReplacingUnpairedSurrogatesWithFFFD,
blink::WebString::UTF8ConversionMode::kStrictReplacingErrorsWithFFFD);
namespace blink {
void WebString::reset() {
m_private.reset();
}
void WebString::assign(const WebString& other) {
assign(other.m_private.get());
}
void WebString::assign(const WebUChar* data, size_t length) {
assign(StringImpl::create8BitIfPossible(data, length).get());
}
size_t WebString::length() const {
return m_private.isNull() ? 0 : m_private->length();
}
bool WebString::is8Bit() const {
return m_private->is8Bit();
}
const WebLChar* WebString::data8() const {
return !m_private.isNull() && is8Bit() ? m_private->characters8() : 0;
}
const WebUChar* WebString::data16() const {
return !m_private.isNull() && !is8Bit() ? m_private->characters16() : 0;
}
std::string WebString::utf8(UTF8ConversionMode mode) const {
StringUTF8Adaptor utf8(m_private.get(),
static_cast<WTF::UTF8ConversionMode>(mode));
return std::string(utf8.data(), utf8.length());
}
WebString WebString::fromUTF8(const char* data, size_t length) {
return String::fromUTF8(data, length);
}
WebString WebString::fromUTF8(const char* data) {
return String::fromUTF8(data);
}
WebString WebString::fromUTF16(const base::string16& s) {
WebString string;
string.assign(s.data(), s.length());
return string;
}
WebString WebString::fromUTF16(const base::NullableString16& s) {
WebString string;
if (s.is_null())
string.reset();
else
string.assign(s.string().data(), s.string().length());
return string;
}
std::string WebString::latin1() const {
String string(m_private.get());
if (string.isEmpty())
return std::string();
if (string.is8Bit())
return std::string(reinterpret_cast<const char*>(string.characters8()),
string.length());
CString latin1 = string.latin1();
return std::string(latin1.data(), latin1.length());
}
WebString WebString::fromLatin1(const WebLChar* data, size_t length) {
return String(data, length);
}
std::string WebString::ascii() const {
DCHECK(containsOnlyASCII());
if (isEmpty())
return std::string();
if (m_private->is8Bit()) {
return std::string(reinterpret_cast<const char*>(m_private->characters8()),
m_private->length());
}
return std::string(m_private->characters16(),
m_private->characters16() + m_private->length());
}
bool WebString::containsOnlyASCII() const {
return String(m_private.get()).containsOnlyASCII();
}
WebString WebString::fromASCII(const std::string& s) {
DCHECK(base::IsStringASCII(s));
return fromLatin1(s);
}
bool WebString::equals(const WebString& s) const {
return equal(m_private.get(), s.m_private.get());
}
bool WebString::equals(const char* characters) const {
return equal(m_private.get(), reinterpret_cast<const LChar*>(characters));
}
WebString::WebString(const WTF::String& s) : m_private(s.impl()) {}
WebString& WebString::operator=(const WTF::String& s) {
assign(s.impl());
return *this;
}
WebString::operator WTF::String() const {
return m_private.get();
}
WebString::operator WTF::StringView() const {
return StringView(m_private.get());
}
WebString::WebString(const WTF::AtomicString& s) {
assign(s.getString());
}
WebString& WebString::operator=(const WTF::AtomicString& s) {
assign(s.getString());
return *this;
}
WebString::operator WTF::AtomicString() const {
return WTF::AtomicString(m_private.get());
}
void WebString::assign(WTF::StringImpl* p) {
m_private = p;
}
} // namespace blink
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