| /* |
| * 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. |
| * |
| * 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 "third_party/blink/renderer/core/html/forms/base_text_input_type.h" |
| |
| #include "third_party/blink/renderer/bindings/core/v8/script_regexp.h" |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/core/html/forms/html_input_element.h" |
| #include "third_party/blink/renderer/core/html_names.h" |
| #include "third_party/blink/renderer/core/inspector/console_message.h" |
| |
| namespace blink { |
| |
| using namespace html_names; |
| |
| BaseTextInputType::BaseTextInputType(HTMLInputElement& element) |
| : TextFieldInputType(element) {} |
| |
| BaseTextInputType::~BaseTextInputType() = default; |
| |
| int BaseTextInputType::MaxLength() const { |
| return GetElement().maxLength(); |
| } |
| |
| int BaseTextInputType::MinLength() const { |
| return GetElement().minLength(); |
| } |
| |
| bool BaseTextInputType::TooLong( |
| const String& value, |
| TextControlElement::NeedsToCheckDirtyFlag check) const { |
| int max = GetElement().maxLength(); |
| if (max < 0) |
| return false; |
| if (check == TextControlElement::kCheckDirtyFlag) { |
| // Return false for the default value or a value set by a script even if |
| // it is longer than maxLength. |
| if (!GetElement().HasDirtyValue() || !GetElement().LastChangeWasUserEdit()) |
| return false; |
| } |
| return value.length() > static_cast<unsigned>(max); |
| } |
| |
| bool BaseTextInputType::TooShort( |
| const String& value, |
| TextControlElement::NeedsToCheckDirtyFlag check) const { |
| int min = GetElement().minLength(); |
| if (min <= 0) |
| return false; |
| if (check == TextControlElement::kCheckDirtyFlag) { |
| // Return false for the default value or a value set by a script even if |
| // it is shorter than minLength. |
| if (!GetElement().HasDirtyValue() || !GetElement().LastChangeWasUserEdit()) |
| return false; |
| } |
| // An empty string is excluded from minlength check. |
| unsigned len = value.length(); |
| return len > 0 && len < static_cast<unsigned>(min); |
| } |
| |
| bool BaseTextInputType::PatternMismatch(const String& value) const { |
| const AtomicString& raw_pattern = GetElement().FastGetAttribute(kPatternAttr); |
| // Empty values can't be mismatched |
| if (raw_pattern.IsNull() || value.IsEmpty()) |
| return false; |
| if (!regexp_ || pattern_for_regexp_ != raw_pattern) { |
| std::unique_ptr<ScriptRegexp> raw_regexp( |
| new ScriptRegexp(raw_pattern, kTextCaseSensitive, kMultilineDisabled, |
| ScriptRegexp::UTF16)); |
| if (!raw_regexp->IsValid()) { |
| GetElement().GetDocument().AddConsoleMessage( |
| ConsoleMessage::Create(kRenderingMessageSource, kErrorMessageLevel, |
| "Pattern attribute value " + raw_pattern + |
| " is not a valid regular expression: " + |
| raw_regexp->ExceptionMessage())); |
| regexp_.reset(raw_regexp.release()); |
| pattern_for_regexp_ = raw_pattern; |
| return false; |
| } |
| String pattern = "^(?:" + raw_pattern + ")$"; |
| regexp_.reset(new ScriptRegexp(pattern, kTextCaseSensitive, |
| kMultilineDisabled, ScriptRegexp::UTF16)); |
| pattern_for_regexp_ = raw_pattern; |
| } else if (!regexp_->IsValid()) { |
| return false; |
| } |
| |
| int match_length = 0; |
| int value_length = value.length(); |
| int match_offset = regexp_->Match(value, 0, &match_length); |
| bool mismatched = match_offset != 0 || match_length != value_length; |
| return mismatched; |
| } |
| |
| bool BaseTextInputType::SupportsPlaceholder() const { |
| return true; |
| } |
| |
| bool BaseTextInputType::SupportsSelectionAPI() const { |
| return true; |
| } |
| |
| } // namespace blink |