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Fix XHTML output for fractions and fix a crash reported on the list

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by Jan Paul Imhoff. The problem was that we were assuming (as we still
do in some places) that there are always at least two cells.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_2_0_X@38718 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Richard Heck 2011-05-12 13:19:18 +00:00
parent 0d9494ae06
commit b66cf487ed
1 changed files with 99 additions and 8 deletions
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107
src/mathed/InsetMathFrac.cpp
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@ -366,18 +366,21 @@ bool InsetMathFrac::extraBraces() const
}
// FIXME This will crash on unitone and is wrong in other cases.
void InsetMathFrac::maple(MapleStream & os) const
{
os << '(' << cell(0) << ")/(" << cell(1) << ')';
}
// FIXME This will crash on unitone and is wrong in other cases.
void InsetMathFrac::mathematica(MathematicaStream & os) const
{
os << '(' << cell(0) << ")/(" << cell(1) << ')';
}
// FIXME This will crash on unitone and is wrong in other cases.
void InsetMathFrac::octave(OctaveStream & os) const
{
os << '(' << cell(0) << ")/(" << cell(1) << ')';
@ -386,19 +389,107 @@ void InsetMathFrac::octave(OctaveStream & os) const
void InsetMathFrac::mathmlize(MathStream & os) const
{
os << MTag("mfrac")
<< MTag("mrow") << cell(0) << ETag("mrow")
<< MTag("mrow") << cell(1) << ETag("mrow")
<< ETag("mfrac");
switch (kind_) {
case ATOP:
os << MTag("mfrac", "linethickeness='0'")
<< MTag("mrow") << cell(0) << ETag("mrow")
<< MTag("mrow") << cell(1) << ETag("mrow")
<< ETag("mfrac");
break;
// we do not presently distinguish these
case OVER:
case FRAC:
case DFRAC:
case TFRAC:
case CFRAC:
case CFRACLEFT:
case CFRACRIGHT:
os << MTag("mfrac")
<< MTag("mrow") << cell(0) << ETag("mrow")
<< MTag("mrow") << cell(1) << ETag("mrow")
<< ETag("mfrac");
break;
case NICEFRAC:
os << MTag("mfrac", "bevelled='true'")
<< MTag("mrow") << cell(0) << ETag("mrow")
<< MTag("mrow") << cell(1) << ETag("mrow")
<< ETag("mfrac");
break;
case UNITFRAC:
if (nargs() == 3)
os << cell(2);
os << MTag("mfrac", "bevelled='true'")
<< MTag("mrow") << cell(0) << ETag("mrow")
<< MTag("mrow") << cell(1) << ETag("mrow")
<< ETag("mfrac");
break;
case UNIT:
// FIXME This is not right, because we still output mi, etc,
// when we output the cell. So we need to prevent that somehow.
if (nargs() == 2)
os << cell(0)
<< MTag("mstyle mathvariant='normal'")
<< cell(1)
<< ETag("mstyle");
else
os << MTag("mstyle mathvariant='normal'")
<< cell(0)
<< ETag("mstyle");
}
}
void InsetMathFrac::htmlize(HtmlStream & os) const
{
os << MTag("span", "class='frac'")
<< MTag("span", "class='numer'") << cell(0) << ETag("span")
<< MTag("span", "class='denom'") << cell(1) << ETag("span")
<< ETag("span");
switch (kind_) {
case ATOP:
os << MTag("span", "class='frac'")
<< MTag("span", "class='numer'") << cell(0) << ETag("span")
<< MTag("span", "class='numer'") << cell(1) << ETag("span")
<< ETag("span");
break;
// we do not presently distinguish these
case OVER:
case FRAC:
case DFRAC:
case TFRAC:
case CFRAC:
case CFRACLEFT:
case CFRACRIGHT:
os << MTag("span", "class='frac'")
<< MTag("span", "class='numer'") << cell(0) << ETag("span")
<< MTag("span", "class='denom'") << cell(1) << ETag("span")
<< ETag("span");
break;
case NICEFRAC:
os << cell(0) << '/' << cell(1);
break;
case UNITFRAC:
if (nargs() == 3)
os << cell(2) << ' ';
os << cell(0) << '/' << cell(1);
break;
case UNIT:
// FIXME This is not right, because we still output i, etc,
// when we output the cell. So we need to prevent that somehow.
if (nargs() == 2)
os << cell(0)
<< MTag("span")
<< cell(1)
<< ETag("span");
else
os << MTag("span")
<< cell(0)
<< ETag("span");
}
}