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/*
* This file is part of the WebKit project.
*
* Copyright (C) 2009 Michelangelo De Simone <micdesim@gmail.com>
* Copyright (C) 2010 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 "ValidityState.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "KURL.h"
#include "LocalizedStrings.h"
#include "RegularExpression.h"
#include <wtf/StdLibExtras.h>
namespace WebCore {
using namespace HTMLNames;
static const char emailPattern[] =
"[a-z0-9!#$%&'*+/=?^_`{|}~.-]+" // local part
"@"
"[a-z0-9-]+(\\.[a-z0-9-]+)+"; // domain part
String ValidityState::validationMessage() const
{
if (!m_control->willValidate())
return String();
if (customError())
return m_customErrorMessage;
if (valueMissing())
return validationMessageValueMissingText();
if (typeMismatch())
return validationMessageTypeMismatchText();
if (patternMismatch())
return validationMessagePatternMismatchText();
if (tooLong())
return validationMessageTooLongText();
if (rangeUnderflow())
return validationMessageRangeUnderflowText();
if (rangeOverflow())
return validationMessageRangeOverflowText();
if (stepMismatch())
return validationMessageStepMismatchText();
return String();
}
bool ValidityState::typeMismatch() const
{
if (!m_control->hasTagName(inputTag))
return false;
HTMLInputElement* input = static_cast<HTMLInputElement*>(m_control);
String value = input->value();
if (value.isEmpty())
return false;
switch (input->inputType()) {
case HTMLInputElement::COLOR:
return !isValidColorString(value);
case HTMLInputElement::NUMBER:
return !HTMLInputElement::parseToDoubleForNumberType(value, 0);
case HTMLInputElement::URL:
return !KURL(KURL(), value).isValid();
case HTMLInputElement::EMAIL: {
if (!input->multiple())
return !isValidEmailAddress(value);
Vector<String> addresses;
value.split(',', addresses);
for (unsigned i = 0; i < addresses.size(); ++i) {
if (!isValidEmailAddress(addresses[i]))
return true;
}
return false;
}
case HTMLInputElement::DATE:
case HTMLInputElement::DATETIME:
case HTMLInputElement::DATETIMELOCAL:
case HTMLInputElement::MONTH:
case HTMLInputElement::TIME:
case HTMLInputElement::WEEK:
return !HTMLInputElement::parseToDateComponents(input->inputType(), value, 0);
case HTMLInputElement::BUTTON:
case HTMLInputElement::CHECKBOX:
case HTMLInputElement::FILE:
case HTMLInputElement::HIDDEN:
case HTMLInputElement::IMAGE:
case HTMLInputElement::ISINDEX:
case HTMLInputElement::PASSWORD:
case HTMLInputElement::RADIO:
case HTMLInputElement::RANGE:
case HTMLInputElement::RESET:
case HTMLInputElement::SEARCH:
case HTMLInputElement::SUBMIT:
case HTMLInputElement::TELEPHONE: // FIXME: Is there validation for <input type=telephone>?
case HTMLInputElement::TEXT:
return false;
}
ASSERT_NOT_REACHED();
return false;
}
bool ValidityState::rangeUnderflow() const
{
if (!m_control->hasTagName(inputTag))
return false;
return static_cast<HTMLInputElement*>(m_control)->rangeUnderflow();
}
bool ValidityState::rangeOverflow() const
{
if (!m_control->hasTagName(inputTag))
return false;
return static_cast<HTMLInputElement*>(m_control)->rangeOverflow();
}
bool ValidityState::stepMismatch() const
{
if (!m_control->hasTagName(inputTag))
return false;
return static_cast<HTMLInputElement*>(m_control)->stepMismatch();
}
bool ValidityState::valid() const
{
bool someError = typeMismatch() || stepMismatch() || rangeUnderflow() || rangeOverflow()
|| tooLong() || patternMismatch() || valueMissing() || customError();
return !someError;
}
bool ValidityState::isValidColorString(const String& value)
{
if (value.isEmpty())
return false;
if (value[0] == '#') {
// We don't accept #rgb and #aarrggbb formats.
if (value.length() != 7)
return false;
}
Color color(value); // This accepts named colors such as "white".
return color.isValid() && !color.hasAlpha();
}
bool ValidityState::isValidEmailAddress(const String& address)
{
int addressLength = address.length();
if (!addressLength)
return false;
DEFINE_STATIC_LOCAL(const RegularExpression, regExp, (emailPattern, TextCaseInsensitive));
int matchLength;
int matchOffset = regExp.match(address, 0, &matchLength);
return matchOffset == 0 && matchLength == addressLength;
}
} // namespace
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