2 * This file is part of the WebKit project.
4 * Copyright (C) 2009 Michelangelo De Simone <micdesim@gmail.com>
5 * Copyright (C) 2010 Google Inc. All rights reserved.
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
25 #include "core/html/forms/BaseTextInputType.h"
27 #include "bindings/core/v8/ScriptRegexp.h"
28 #include "core/HTMLNames.h"
29 #include "core/html/HTMLInputElement.h"
33 using namespace HTMLNames;
35 int BaseTextInputType::maxLength() const
37 return element().maxLength();
40 int BaseTextInputType::minLength() const
42 return element().minLength();
45 bool BaseTextInputType::tooLong(const String& value, HTMLTextFormControlElement::NeedsToCheckDirtyFlag check) const
47 int max = element().maxLength();
50 if (check == HTMLTextFormControlElement::CheckDirtyFlag) {
51 // Return false for the default value or a value set by a script even if
52 // it is longer than maxLength.
53 if (!element().hasDirtyValue() || !element().lastChangeWasUserEdit())
56 return value.length() > static_cast<unsigned>(max);
59 bool BaseTextInputType::tooShort(const String& value, HTMLTextFormControlElement::NeedsToCheckDirtyFlag check) const
61 int min = element().minLength();
64 if (check == HTMLTextFormControlElement::CheckDirtyFlag) {
65 // Return false for the default value or a value set by a script even if
66 // it is shorter than minLength.
67 if (!element().hasDirtyValue() || !element().lastChangeWasUserEdit())
70 // An empty string is excluded from minlength check.
71 unsigned len = value.length();
72 return len > 0 && len < static_cast<unsigned>(min);
75 bool BaseTextInputType::patternMismatch(const String& value) const
77 const AtomicString& rawPattern = element().fastGetAttribute(patternAttr);
78 // Empty values can't be mismatched
79 if (rawPattern.isNull() || value.isEmpty() || !ScriptRegexp(rawPattern, TextCaseSensitive).isValid())
81 String pattern = "^(?:" + rawPattern + ")$";
83 int valueLength = value.length();
84 int matchOffset = ScriptRegexp(pattern, TextCaseSensitive).match(value, 0, &matchLength);
85 return matchOffset || matchLength != valueLength;
88 bool BaseTextInputType::supportsPlaceholder() const
93 bool BaseTextInputType::supportsSelectionAPI() const