chromium/third_party/blink/renderer/core/editing/visible_units_paragraph.cc

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 * are met:
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 *    documentation and/or other materials provided with the distribution.
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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/core/editing/visible_units.h"

#include "third_party/blink/renderer/core/editing/editing_utilities.h"
#include "third_party/blink/renderer/core/editing/ephemeral_range.h"
#include "third_party/blink/renderer/core/editing/visible_position.h"
#include "third_party/blink/renderer/core/layout/layout_text.h"

namespace blink {

namespace {

bool NodeIsUserSelectAll(const Node* node) { … }

template <typename Strategy>
PositionTemplate<Strategy> StartOfParagraphAlgorithm(
    const PositionTemplate<Strategy>& position,
    EditingBoundaryCrossingRule boundary_crossing_rule) { … }

template <typename Strategy>
VisiblePositionTemplate<Strategy> StartOfParagraphAlgorithm(
    const VisiblePositionTemplate<Strategy>& visible_position,
    EditingBoundaryCrossingRule boundary_crossing_rule) { … }

template <typename Strategy>
PositionTemplate<Strategy> EndOfParagraphAlgorithm(
    const PositionTemplate<Strategy>& position,
    EditingBoundaryCrossingRule boundary_crossing_rule) { … }

template <typename Strategy>
VisiblePositionTemplate<Strategy> EndOfParagraphAlgorithm(
    const VisiblePositionTemplate<Strategy>& visible_position,
    EditingBoundaryCrossingRule boundary_crossing_rule) { … }

template <typename Strategy>
bool IsStartOfParagraphAlgorithm(
    const VisiblePositionTemplate<Strategy>& pos,
    EditingBoundaryCrossingRule boundary_crossing_rule) { … }

template <typename Strategy>
bool IsEndOfParagraphAlgorithm(
    const VisiblePositionTemplate<Strategy>& pos,
    EditingBoundaryCrossingRule boundary_crossing_rule) { … }

}  // namespace

VisiblePosition StartOfParagraph(
    const VisiblePosition& c,
    EditingBoundaryCrossingRule boundary_crossing_rule) { … }

VisiblePositionInFlatTree StartOfParagraph(
    const VisiblePositionInFlatTree& c,
    EditingBoundaryCrossingRule boundary_crossing_rule) { … }

VisiblePosition EndOfParagraph(
    const VisiblePosition& c,
    EditingBoundaryCrossingRule boundary_crossing_rule) { … }

Position EndOfParagraph(const Position& c,
                        EditingBoundaryCrossingRule boundary_crossing_rule) { … }

VisiblePositionInFlatTree EndOfParagraph(
    const VisiblePositionInFlatTree& c,
    EditingBoundaryCrossingRule boundary_crossing_rule) { … }

// TODO(editing-dev): isStartOfParagraph(startOfNextParagraph(pos)) is not
// always true
VisiblePosition StartOfNextParagraph(const VisiblePosition& visible_position) { … }

// TODO(editing-dev): isStartOfParagraph(startOfNextParagraph(pos)) is not
// always true
bool InSameParagraph(const VisiblePosition& a,
                     const VisiblePosition& b,
                     EditingBoundaryCrossingRule boundary_crossing_rule) { … }

bool IsStartOfParagraph(const VisiblePosition& pos,
                        EditingBoundaryCrossingRule boundary_crossing_rule) { … }

bool IsStartOfParagraph(const VisiblePositionInFlatTree& pos) { … }

bool IsEndOfParagraph(const VisiblePosition& pos,
                      EditingBoundaryCrossingRule boundary_crossing_rule) { … }

bool IsEndOfParagraph(const VisiblePositionInFlatTree& pos) { … }

EphemeralRange ExpandToParagraphBoundary(const EphemeralRange& range) { … }

}  // namespace blink