chromium/third_party/blink/renderer/core/editing/commands/insert_incremental_text_command.cc

// Copyright 2016 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/commands/insert_incremental_text_command.h"

#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/dom/text.h"
#include "third_party/blink/renderer/core/editing/editing_utilities.h"
#include "third_party/blink/renderer/core/editing/editor.h"
#include "third_party/blink/renderer/core/editing/ephemeral_range.h"
#include "third_party/blink/renderer/core/editing/iterators/character_iterator.h"
#include "third_party/blink/renderer/core/editing/plain_text_range.h"
#include "third_party/blink/renderer/core/editing/selection_template.h"
#include "third_party/blink/renderer/core/editing/state_machines/forward_code_point_state_machine.h"
#include "third_party/blink/renderer/core/editing/visible_units.h"
#include "third_party/blink/renderer/core/html/html_span_element.h"

namespace blink {

namespace {

wtf_size_t ComputeCommonPrefixLength(const String& str1, const String& str2) { … }

wtf_size_t ComputeCommonSuffixLength(const String& str1, const String& str2) { … }

wtf_size_t ComputeCommonGraphemeClusterPrefixLength(
    const Position& selection_start,
    const String& old_text,
    const String& new_text) { … }

wtf_size_t ComputeCommonGraphemeClusterSuffixLength(
    const Position& selection_start,
    const String& old_text,
    const String& new_text) { … }

const String ComputeTextForInsertion(const String& new_text,
                                     const wtf_size_t common_prefix_length,
                                     const wtf_size_t common_suffix_length) { … }

SelectionInDOMTree ComputeSelectionForInsertion(
    const EphemeralRange& selection_range,
    const int offset,
    const int length) { … }

}  // anonymous namespace

InsertIncrementalTextCommand::InsertIncrementalTextCommand(
    Document& document,
    const String& text,
    RebalanceType rebalance_type)
    : … { … }

void InsertIncrementalTextCommand::DoApply(EditingState* editing_state) { … }

}  // namespace blink