| /* |
| * Copyright (C) 2014 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #include "ArgumentCoders.h" |
| #include <wtf/EnumTraits.h> |
| #include <wtf/RefPtr.h> |
| |
| namespace WebCore { |
| class Frame; |
| class Range; |
| } |
| |
| namespace WebKit { |
| |
| enum class EditingRangeIsRelativeTo : uint8_t { |
| EditableRoot, |
| Paragraph, |
| }; |
| |
| struct EditingRange { |
| EditingRange() |
| : location(notFound) |
| , length(0) |
| { |
| } |
| |
| EditingRange(uint64_t location, uint64_t length) |
| : location(location) |
| , length(length) |
| { |
| } |
| |
| // (notFound, 0) is notably valid. |
| bool isValid() const { return location + length >= location; } |
| |
| static RefPtr<WebCore::Range> toRange(WebCore::Frame&, const EditingRange&, EditingRangeIsRelativeTo = EditingRangeIsRelativeTo::EditableRoot); |
| static EditingRange fromRange(WebCore::Frame&, const WebCore::Range*, EditingRangeIsRelativeTo = EditingRangeIsRelativeTo::EditableRoot); |
| |
| #if defined(__OBJC__) |
| EditingRange(NSRange range) |
| { |
| if (range.location != NSNotFound) { |
| location = range.location; |
| length = range.length; |
| } else { |
| location = notFound; |
| length = 0; |
| } |
| } |
| |
| operator NSRange() const |
| { |
| if (location == notFound) |
| return NSMakeRange(NSNotFound, 0); |
| return NSMakeRange(location, length); |
| } |
| #endif |
| |
| uint64_t location; |
| uint64_t length; |
| }; |
| |
| } |
| |
| namespace IPC { |
| template<> struct ArgumentCoder<WebKit::EditingRange> { |
| static void encode(Encoder&, const WebKit::EditingRange&); |
| static Optional<WebKit::EditingRange> decode(Decoder&); |
| }; |
| } |
| |
| namespace WTF { |
| template<> struct EnumTraits<WebKit::EditingRangeIsRelativeTo> { |
| using values = EnumValues<WebKit::EditingRangeIsRelativeTo, WebKit::EditingRangeIsRelativeTo::EditableRoot, WebKit::EditingRangeIsRelativeTo::Paragraph>; |
| }; |
| } |