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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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 "mathmlattr.hxx"
#include <cassert>
#include <unordered_map>
sal_Int32 ParseMathMLUnsignedNumber(const OUString &rStr, Fraction& rUN)
{
auto nLen = rStr.getLength();
sal_Int32 nDecimalPoint = -1;
sal_Int32 nIdx;
for (nIdx = 0; nIdx < nLen; nIdx++)
{
auto cD = rStr[nIdx];
if (cD == u'.')
{
if (nDecimalPoint >= 0)
return -1;
nDecimalPoint = nIdx;
continue;
}
if (cD < u'0' || u'9' < cD)
break;
}
if (nIdx == 0 || (nIdx == 1 && nDecimalPoint == 0))
return -1;
rUN = Fraction(rStr.copy(0, nIdx).toDouble());
return nIdx;
}
sal_Int32 ParseMathMLNumber(const OUString &rStr, Fraction& rN)
{
if (rStr.isEmpty())
return -1;
bool bNegative = (rStr[0] == '-');
sal_Int32 nOffset = bNegative ? 1 : 0;
auto nIdx = ParseMathMLUnsignedNumber(rStr.copy(nOffset), rN);
if (nIdx <= 0 || !rN.IsValid())
return -1;
if (bNegative)
rN *= -1;
return nOffset + nIdx;
}
sal_Int32 ParseMathMLAttributeLengthValue(const OUString &rStr, MathMLAttributeLengthValue& rV)
{
auto nIdx = ParseMathMLNumber(rStr, rV.aNumber);
if (nIdx <= 0)
return -1;
OUString sRest = rStr.copy(nIdx);
if (sRest.isEmpty())
{
rV.eUnit = MathMLLengthUnit::None;
return nIdx;
}
if (sRest.startsWith("em"))
{
rV.eUnit = MathMLLengthUnit::Em;
return nIdx + 2;
}
if (sRest.startsWith("ex"))
{
rV.eUnit = MathMLLengthUnit::Ex;
return nIdx + 2;
}
if (sRest.startsWith("px"))
{
rV.eUnit = MathMLLengthUnit::Px;
return nIdx + 2;
}
if (sRest.startsWith("in"))
{
rV.eUnit = MathMLLengthUnit::In;
return nIdx + 2;
}
if (sRest.startsWith("cm"))
{
rV.eUnit = MathMLLengthUnit::Cm;
return nIdx + 2;
}
if (sRest.startsWith("mm"))
{
rV.eUnit = MathMLLengthUnit::Mm;
return nIdx + 2;
}
if (sRest.startsWith("pt"))
{
rV.eUnit = MathMLLengthUnit::Pt;
return nIdx + 2;
}
if (sRest.startsWith("pc"))
{
rV.eUnit = MathMLLengthUnit::Pc;
return nIdx + 2;
}
if (sRest[0] == u'%')
{
rV.eUnit = MathMLLengthUnit::Percent;
return nIdx + 2;
}
return nIdx;
}
bool GetMathMLMathvariantValue(const OUString &rStr, MathMLMathvariantValue& rV)
{
static const std::unordered_map<OUString, MathMLMathvariantValue> aMap{
{"normal", MathMLMathvariantValue::Normal},
{"bold", MathMLMathvariantValue::Bold},
{"italic", MathMLMathvariantValue::Italic},
{"bold-italic", MathMLMathvariantValue::BoldItalic},
{"double-struck", MathMLMathvariantValue::DoubleStruck},
{"bold-fraktur", MathMLMathvariantValue::BoldFraktur},
{"script", MathMLMathvariantValue::Script},
{"bold-script", MathMLMathvariantValue::BoldScript},
{"fraktur", MathMLMathvariantValue::Fraktur},
{"sans-serif", MathMLMathvariantValue::SansSerif},
{"bold-sans-serif", MathMLMathvariantValue::BoldSansSerif},
{"sans-serif-italic", MathMLMathvariantValue::SansSerifItalic},
{"sans-serif-bold-italic", MathMLMathvariantValue::SansSerifBoldItalic},
{"monospace", MathMLMathvariantValue::Monospace},
{"initial", MathMLMathvariantValue::Initial},
{"tailed", MathMLMathvariantValue::Tailed},
{"looped", MathMLMathvariantValue::Looped},
{"stretched", MathMLMathvariantValue::Stretched}
};
auto it = aMap.find(rStr);
if (it != aMap.end())
{
rV = it->second;
return true;
}
return false;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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