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/*
* Copyright (C) 2016 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,
* 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 "config.h"
#include "URLSearchParams.h"
#include "DOMURL.h"
#include <wtf/URLParser.h>
namespace WebCore {
URLSearchParams::URLSearchParams(const String& init, DOMURL* associatedURL)
: m_associatedURL(associatedURL)
, m_pairs(init.startsWith('?') ? WTF::URLParser::parseURLEncodedForm(StringView(init).substring(1)) : WTF::URLParser::parseURLEncodedForm(init))
{
}
URLSearchParams::URLSearchParams(const Vector<KeyValuePair<String, String>>& pairs)
: m_pairs(pairs)
{
}
ExceptionOr<Ref<URLSearchParams>> URLSearchParams::create(std::variant<Vector<Vector<String>>, Vector<KeyValuePair<String, String>>, String>&& variant)
{
auto visitor = WTF::makeVisitor([&](const Vector<Vector<String>>& vector) -> ExceptionOr<Ref<URLSearchParams>> {
Vector<KeyValuePair<String, String>> pairs;
for (const auto& pair : vector) {
if (pair.size() != 2)
return Exception { TypeError };
pairs.append({pair[0], pair[1]});
}
return adoptRef(*new URLSearchParams(WTFMove(pairs)));
}, [&](const Vector<KeyValuePair<String, String>>& pairs) -> ExceptionOr<Ref<URLSearchParams>> {
return adoptRef(*new URLSearchParams(pairs));
}, [&](const String& string) -> ExceptionOr<Ref<URLSearchParams>> {
return adoptRef(*new URLSearchParams(string, nullptr));
});
return std::visit(visitor, variant);
}
String URLSearchParams::get(const String& name) const
{
for (const auto& pair : m_pairs) {
if (pair.key == name)
return pair.value;
}
return String();
}
bool URLSearchParams::has(const String& name) const
{
for (const auto& pair : m_pairs) {
if (pair.key == name)
return true;
}
return false;
}
void URLSearchParams::sort()
{
std::stable_sort(m_pairs.begin(), m_pairs.end(), [] (const auto& a, const auto& b) {
return WTF::codePointCompareLessThan(a.key, b.key);
});
updateURL();
}
void URLSearchParams::set(const String& name, const String& value)
{
for (auto& pair : m_pairs) {
if (pair.key != name)
continue;
if (pair.value != value)
pair.value = value;
bool skippedFirstMatch = false;
m_pairs.removeAllMatching([&] (const auto& pair) {
if (pair.key == name) {
if (skippedFirstMatch)
return true;
skippedFirstMatch = true;
}
return false;
});
updateURL();
return;
}
m_pairs.append({name, value});
updateURL();
}
void URLSearchParams::append(const String& name, const String& value)
{
m_pairs.append({name, value});
updateURL();
}
Vector<String> URLSearchParams::getAll(const String& name) const
{
Vector<String> values;
values.reserveInitialCapacity(m_pairs.size());
for (const auto& pair : m_pairs) {
if (pair.key == name)
values.uncheckedAppend(pair.value);
}
values.shrinkToFit();
return values;
}
void URLSearchParams::remove(const String& name)
{
m_pairs.removeAllMatching([&] (const auto& pair) {
return pair.key == name;
});
updateURL();
}
String URLSearchParams::toString() const
{
return WTF::URLParser::serialize(m_pairs);
}
void URLSearchParams::updateURL()
{
if (m_associatedURL)
m_associatedURL->setQuery(WTF::URLParser::serialize(m_pairs));
}
void URLSearchParams::updateFromAssociatedURL()
{
ASSERT(m_associatedURL);
String search = m_associatedURL->search();
m_pairs = search.startsWith('?') ? WTF::URLParser::parseURLEncodedForm(StringView(search).substring(1)) : WTF::URLParser::parseURLEncodedForm(search);
}
std::optional<KeyValuePair<String, String>> URLSearchParams::Iterator::next()
{
auto& pairs = m_target->pairs();
if (m_index >= pairs.size())
return std::nullopt;
auto& pair = pairs[m_index++];
return KeyValuePair<String, String> { pair.key, pair.value };
}
URLSearchParams::Iterator::Iterator(URLSearchParams& params)
: m_target(params)
{
}
}