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EmailInputType.cpp
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107 lines (92 loc) · 3.43 KB
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/*
* This file is part of the WebKit project.
*
* Copyright (C) 2009 Michelangelo De Simone <micdesim@gmail.com>
* Copyright (C) 2010 Google Inc. All rights reserved.
* Copyright (C) 2018 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "EmailInputType.h"
#include "HTMLInputElement.h"
#include "HTMLParserIdioms.h"
#include "InputTypeNames.h"
#include "LocalizedStrings.h"
#include <JavaScriptCore/RegularExpression.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/text/StringBuilder.h>
namespace WebCore {
// From https://html.spec.whatwg.org/#valid-e-mail-address.
static const char emailPattern[] = "^[a-zA-Z0-9.!#$%&'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$";
static bool isValidEmailAddress(const String& address)
{
int addressLength = address.length();
if (!addressLength)
return false;
static NeverDestroyed<const JSC::Yarr::RegularExpression> regExp(emailPattern, JSC::Yarr::TextCaseInsensitive);
int matchLength;
int matchOffset = regExp.get().match(address, 0, &matchLength);
return !matchOffset && matchLength == addressLength;
}
const AtomString& EmailInputType::formControlType() const
{
return InputTypeNames::email();
}
bool EmailInputType::typeMismatchFor(const String& value) const
{
ASSERT(element());
if (value.isEmpty())
return false;
if (!element()->multiple())
return !isValidEmailAddress(value);
for (auto& address : value.splitAllowingEmptyEntries(',')) {
if (!isValidEmailAddress(stripLeadingAndTrailingHTMLSpaces(address)))
return true;
}
return false;
}
bool EmailInputType::typeMismatch() const
{
ASSERT(element());
return typeMismatchFor(element()->value());
}
String EmailInputType::typeMismatchText() const
{
ASSERT(element());
return element()->multiple() ? validationMessageTypeMismatchForMultipleEmailText() : validationMessageTypeMismatchForEmailText();
}
bool EmailInputType::supportsSelectionAPI() const
{
return false;
}
String EmailInputType::sanitizeValue(const String& proposedValue) const
{
String noLineBreakValue = proposedValue.removeCharacters(isHTMLLineBreak);
ASSERT(element());
if (!element()->multiple())
return stripLeadingAndTrailingHTMLSpaces(noLineBreakValue);
Vector<String> addresses = noLineBreakValue.splitAllowingEmptyEntries(',');
StringBuilder strippedValue;
for (unsigned i = 0; i < addresses.size(); ++i) {
if (i > 0)
strippedValue.append(',');
strippedValue.append(stripLeadingAndTrailingHTMLSpaces(addresses[i]));
}
return strippedValue.toString();
}
} // namespace WebCore