chromium/pdf/accessibility_helper.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "pdf/accessibility_helper.h"

#include <stdint.h>

#include <optional>
#include <vector>

#include "base/numerics/safe_math.h"
#include "pdf/accessibility_structs.h"

namespace chrome_pdf {

bool IsCharWithinTextRun(const AccessibilityTextRunInfo& text_run,
                         uint32_t text_run_start_char_index,
                         uint32_t char_index) { … }

// If a valid text run range is not found for the char range then return the
// fallback value.
AccessibilityTextRunRangeInfo GetEnclosingTextRunRangeForCharRange(
    const std::vector<AccessibilityTextRunInfo>& text_runs,
    int start_char_index,
    int char_count) { … }

}  // namespace chrome_pdf