EmailInputType.cpp [plain text]
#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 {
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 AtomicString& 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::isEmailField() const
{
return true;
}
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();
}
}