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- // Copyright (c) 2012 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef UI_ACCESSIBILITY_AX_TEXT_UTILS_H_
- #define UI_ACCESSIBILITY_AX_TEXT_UTILS_H_
- #include <stddef.h>
- #include <string>
- #include <vector>
- #include "ui/accessibility/ax_enums.mojom-forward.h"
- #include "ui/accessibility/ax_export.h"
- namespace ui {
- // Convenience method needed to implement platform-specific text
- // accessibility APIs like IAccessible2. Search forwards or backwards
- // (depending on |direction|) from the given |start_offset| until the
- // given boundary is found, and return the offset of that boundary,
- // using the vector of line break character offsets in |line_breaks|.
- AX_EXPORT size_t FindAccessibleTextBoundary(const std::u16string& text,
- const std::vector<int>& line_breaks,
- ax::mojom::TextBoundary boundary,
- size_t start_offset,
- ax::mojom::MoveDirection direction,
- ax::mojom::TextAffinity affinity);
- // Returns a string ID that corresponds to the name of the given action.
- AX_EXPORT std::u16string ActionVerbToLocalizedString(
- const ax::mojom::DefaultActionVerb action_verb);
- // Returns the non-localized string representation of a supported action.
- // Some APIs on Linux and Windows need to return non-localized action names.
- AX_EXPORT std::u16string ActionVerbToUnlocalizedString(
- const ax::mojom::DefaultActionVerb action_verb);
- // Returns indices of all word starts in |text|.
- AX_EXPORT std::vector<int> GetWordStartOffsets(const std::u16string& text);
- // Returns indices of all word ends in |text|.
- AX_EXPORT std::vector<int> GetWordEndOffsets(const std::u16string& text);
- // Returns indices of all sentence starts in |text|.
- AX_EXPORT std::vector<int> GetSentenceStartOffsets(const std::u16string& text);
- // Returns indices of all sentence ends in |text|.
- AX_EXPORT std::vector<int> GetSentenceEndOffsets(const std::u16string& text);
- } // namespace ui
- #endif // UI_ACCESSIBILITY_AX_TEXT_UTILS_H_
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