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Issue #325 Part 13: Remove Mozilla implementation of the bidi engine completely and use ICU.

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wolfbeast 2018-05-04 20:36:02 +02:00 • committed by Roy Tam
commit 04679df9c6
6 changed files with 182 additions and 3010 deletions
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68
layout/base/nsBidi.cpp Normal file
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/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsBidi.h"
#include "ICUUtils.h"
nsBidi::nsBidi()
{
mBiDi = ubidi_open();
}
nsBidi::~nsBidi()
{
ubidi_close(mBiDi);
}
nsresult nsBidi::SetPara(const char16_t *aText, int32_t aLength,
nsBidiLevel aParaLevel)
{
UErrorCode error = U_ZERO_ERROR;
ubidi_setPara(mBiDi, reinterpret_cast<const UChar*>(aText), aLength,
aParaLevel, nullptr, &error);
return ICUUtils::UErrorToNsResult(error);
}
nsresult nsBidi::GetDirection(nsBidiDirection* aDirection)
{
*aDirection = nsBidiDirection(ubidi_getDirection(mBiDi));
return NS_OK;
}
nsresult nsBidi::GetParaLevel(nsBidiLevel* aParaLevel)
{
*aParaLevel = ubidi_getParaLevel(mBiDi);
return NS_OK;
}
nsresult nsBidi::GetLogicalRun(int32_t aLogicalStart, int32_t* aLogicalLimit,
nsBidiLevel* aLevel)
{
ubidi_getLogicalRun(mBiDi, aLogicalStart, aLogicalLimit, aLevel);
return NS_OK;
}
nsresult nsBidi::CountRuns(int32_t* aRunCount)
{
UErrorCode errorCode = U_ZERO_ERROR;
*aRunCount = ubidi_countRuns(mBiDi, &errorCode);
return ICUUtils::UErrorToNsResult(errorCode);
}
nsresult nsBidi::GetVisualRun(int32_t aRunIndex, int32_t* aLogicalStart,
int32_t* aLength, nsBidiDirection* aDirection)
{
*aDirection = nsBidiDirection(ubidi_getVisualRun(mBiDi, aRunIndex,
aLogicalStart, aLength));
return NS_OK;
}
nsresult nsBidi::ReorderVisual(const nsBidiLevel* aLevels, int32_t aLength,
int32_t* aIndexMap)
{
ubidi_reorderVisual(aLevels, aLength, aIndexMap);
return NS_OK;
}