Gabor Kelemen
3896908d68
Change-Id: Id9ee32e8583c3917fbe927a070f5ad3b5f6f3b9d Reviewed-on: https://gerrit.libreoffice.org/c/core/+/192745 Tested-by: Jenkins Reviewed-by: Gabor Kelemen <gabor.kelemen@collabora.com>
107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <i18nutil/i18nutildllapi.h>
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#include <com/sun/star/text/ScriptHintType.hpp>
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#include <rtl/ustring.hxx>
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#include <memory>
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#include <vector>
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namespace i18nutil
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{
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struct DirectionChange
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{
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sal_Int32 m_nStartIndex = 0;
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sal_Int32 m_nEndIndex = 0;
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sal_uInt8 m_nLevel = 0;
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bool m_bHasEmbeddedStrongLTR = false;
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};
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struct ScriptChange
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{
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sal_Int32 m_nStartIndex = 0;
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sal_Int32 m_nEndIndex = 0;
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sal_Int16 m_nScriptType = 0;
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};
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enum class ScriptHintType : sal_uInt16
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{
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Automatic = css::text::ScriptHintType::AUTOMATIC,
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Ignore = css::text::ScriptHintType::IGNORE,
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Latin = css::text::ScriptHintType::LATIN,
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Asian = css::text::ScriptHintType::ASIAN,
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Complex = css::text::ScriptHintType::COMPLEX
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};
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struct ScriptHint
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{
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sal_Int32 m_nStartIndex = 0;
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sal_Int32 m_nEndIndex = 0;
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ScriptHintType m_eType = ScriptHintType::Automatic;
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ScriptHint(ScriptHintType eType, sal_Int32 nStartIndex, sal_Int32 nEndIndex)
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: m_nStartIndex(nStartIndex)
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, m_nEndIndex(nEndIndex)
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, m_eType(eType)
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{
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}
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};
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class I18NUTIL_DLLPUBLIC ScriptHintProvider
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{
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private:
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std::vector<ScriptHint> m_aHints;
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ScriptHintType m_eParaHint = ScriptHintType::Automatic;
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std::vector<ScriptHint>::iterator m_pCurrIt;
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ScriptHintType m_eCurrHint = ScriptHintType::Automatic;
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sal_Int32 m_nCurrIdx = 0;
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public:
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void SetParagraphLevelHint(ScriptHintType eType);
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void AddHint(ScriptHintType eType, sal_Int32 nStartIndex, sal_Int32 nEndIndex);
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void Start();
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void AdvanceTo(sal_Int32 nNextIdx);
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ScriptHintType Peek() const;
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};
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class I18NUTIL_DLLPUBLIC DirectionChangeScanner
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{
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public:
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virtual ~DirectionChangeScanner() = default;
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virtual bool AtEnd() const = 0;
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virtual void Advance() = 0;
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virtual DirectionChange Peek() const = 0;
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virtual sal_uInt8 GetLevelAt(sal_Int32 nIndex) const = 0;
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virtual void Reset() = 0;
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};
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class I18NUTIL_DLLPUBLIC ScriptChangeScanner
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{
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public:
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virtual ~ScriptChangeScanner() = default;
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virtual bool AtEnd() const = 0;
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virtual void Advance() = 0;
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virtual ScriptChange Peek() const = 0;
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};
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I18NUTIL_DLLPUBLIC std::unique_ptr<DirectionChangeScanner>
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MakeDirectionChangeScanner(const OUString& rWord, sal_uInt8 nInitialDirection);
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I18NUTIL_DLLPUBLIC std::unique_ptr<ScriptChangeScanner>
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MakeScriptChangeScanner(const OUString& rWord, sal_Int16 nDefaultScriptType,
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DirectionChangeScanner& rDirScanner, ScriptHintProvider& rHints);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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