| /* |
| * Copyright (C) 2006, 2007, 2008 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 COMPUTER, INC. ``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 COMPUTER, INC. OR |
| * 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. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_PLAIN_TEXT_RANGE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_PLAIN_TEXT_RANGE_H_ |
| |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/editing/forward.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator.h" |
| #include "third_party/blink/renderer/platform/wtf/not_found.h" |
| |
| namespace blink { |
| |
| class ContainerNode; |
| class Range; |
| class TextIteratorBehavior; |
| |
| class CORE_EXPORT PlainTextRange { |
| STACK_ALLOCATED(); |
| |
| public: |
| PlainTextRange(); |
| PlainTextRange(const PlainTextRange&); |
| explicit PlainTextRange(wtf_size_t location); |
| PlainTextRange(wtf_size_t start, wtf_size_t end); |
| |
| wtf_size_t End() const { |
| DCHECK(IsNotNull()); |
| return end_; |
| } |
| wtf_size_t Start() const { |
| DCHECK(IsNotNull()); |
| return start_; |
| } |
| bool IsNull() const { return start_ == kNotFound; } |
| bool IsNotNull() const { return start_ != kNotFound; } |
| wtf_size_t length() const { |
| DCHECK(IsNotNull()); |
| return end_ - start_; |
| } |
| |
| EphemeralRange CreateRange(const ContainerNode& scope) const; |
| EphemeralRange CreateRangeForSelection(const ContainerNode& scope) const; |
| EphemeralRange CreateRangeForSelectionIndexing( |
| const ContainerNode& scope) const; |
| |
| static PlainTextRange Create(const ContainerNode& scope, |
| const EphemeralRange&); |
| static PlainTextRange Create(const ContainerNode& scope, const Range&); |
| |
| private: |
| PlainTextRange& operator=(const PlainTextRange&) = delete; |
| |
| EphemeralRange CreateRangeFor(const ContainerNode& scope, |
| const TextIteratorBehavior&) const; |
| |
| const wtf_size_t start_; |
| const wtf_size_t end_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_PLAIN_TEXT_RANGE_H_ |