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/*
* Copyright (C) 2010 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 "config.h"
#include "DOMFormData.h"
#include "HTMLFormControlElement.h"
#include "HTMLFormElement.h"
#include <wtf/Optional.h>
namespace WebCore {
DOMFormData::DOMFormData(const TextEncoding& encoding)
: m_encoding(encoding)
{
}
DOMFormData::DOMFormData(HTMLFormElement* form)
: m_encoding(UTF8Encoding())
{
if (!form)
return;
ASSERT(isMainThread());
for (auto& element : form->copyAssociatedElementsVector()) {
if (!element->asHTMLElement().isDisabledFormControl())
element->appendFormData(*this, true);
}
}
// https://xhr.spec.whatwg.org/#create-an-entry
auto DOMFormData::createFileEntry(const String& name, Blob& blob, const String& filename) -> Item
{
if (!blob.isFile())
return { name, File::create(blob, filename.isNull() ? "blob"_s : filename) };
if (!filename.isNull())
return { name, File::create(downcast<File>(blob), filename) };
return { name, RefPtr<File> { &downcast<File>(blob) } };
}
void DOMFormData::append(const String& name, const String& value)
{
m_items.append({ name, value });
}
void DOMFormData::append(const String& name, Blob& blob, const String& filename)
{
m_items.append(createFileEntry(name, blob, filename));
}
void DOMFormData::remove(const String& name)
{
m_items.removeAllMatching([&name] (const auto& item) {
return item.name == name;
});
}
auto DOMFormData::get(const String& name) -> Optional<FormDataEntryValue>
{
for (auto& item : m_items) {
if (item.name == name)
return item.data;
}
return WTF::nullopt;
}
auto DOMFormData::getAll(const String& name) -> Vector<FormDataEntryValue>
{
Vector<FormDataEntryValue> result;
for (auto& item : m_items) {
if (item.name == name)
result.append(item.data);
}
return result;
}
bool DOMFormData::has(const String& name)
{
for (auto& item : m_items) {
if (item.name == name)
return true;
}
return false;
}
void DOMFormData::set(const String& name, const String& value)
{
set(name, { name, value });
}
void DOMFormData::set(const String& name, Blob& blob, const String& filename)
{
set(name, createFileEntry(name, blob, filename));
}
void DOMFormData::set(const String& name, Item&& item)
{
Optional<size_t> initialMatchLocation;
// Find location of the first item with a matching name.
for (size_t i = 0; i < m_items.size(); ++i) {
if (name == m_items[i].name) {
initialMatchLocation = i;
break;
}
}
if (initialMatchLocation) {
m_items[*initialMatchLocation] = WTFMove(item);
m_items.removeAllMatching([&name] (const auto& item) {
return item.name == name;
}, *initialMatchLocation + 1);
return;
}
m_items.append(WTFMove(item));
}
DOMFormData::Iterator::Iterator(DOMFormData& target)
: m_target(target)
{
}
Optional<KeyValuePair<String, DOMFormData::FormDataEntryValue>> DOMFormData::Iterator::next()
{
auto& items = m_target->items();
if (m_index >= items.size())
return WTF::nullopt;
auto& item = items[m_index++];
return makeKeyValuePair(item.name, item.data);
}
} // namespace WebCore