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hopefully complete fix for reading "unusal" labels

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@5350 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
André Pönitz 2002-09-30 06:48:53 +00:00
parent 6db8f5945f
commit 6aae5c2304
2 changed files with 72 additions and 43 deletions
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111
src/mathed/math_parser.C
View File

@ -92,8 +92,6 @@ MathInset::mode_type asMode(string const & str)
return MathInset::MATH_MODE;
if (str == "textmode" || str == "forcetext")
return MathInset::TEXT_MODE;
if (str == "verbatimmode")
return MathInset::VERBATIM_MODE;
return MathInset::UNDECIDED_MODE;
}
@ -274,6 +272,10 @@ private:
void lex(string const & s);
///
bool good() const;
///
string parse_verbatim_item();
///
string parse_verbatim_option();
///
int lineno_;
@ -524,6 +526,41 @@ bool Parser::parse(MathAtom & at)
}
string Parser::parse_verbatim_option()
{
string res;
if (nextToken().character() == '[') {
Token t = getToken();
for (Token t = getToken(); t.character() != ']' && good(); t = getToken()) {
if (t.cat() == catBegin) {
putback();
res += '{' + parse_verbatim_item() + '}';
} else
res += t.asString();
}
}
return res;
}
string Parser::parse_verbatim_item()
{
string res;
if (nextToken().cat() == catBegin) {
Token t = getToken();
for (Token t = getToken(); t.cat() != catEnd && good(); t = getToken()) {
if (t.cat() == catBegin) {
putback();
res += '{' + parse_verbatim_item() + '}';
}
else
res += t.asString();
}
}
return res;
}
MathArray Parser::parse(unsigned flags, mode_type mode)
{
MathArray ar;
@ -694,32 +731,28 @@ void Parser::parse1(MathGridInset & grid, unsigned flags,
}
else if (t.cat() == catSuper || t.cat() == catSub) {
if (mode == MathInset::VERBATIM_MODE)
cell->push_back(MathAtom(new MathStringInset(t.asString())));
else {
bool up = (t.cat() == catSuper);
// we need no new script inset if the last thing was a scriptinset,
// which has that script already not the same script already
if (!cell->size())
cell->push_back(MathAtom(new MathScriptInset(up)));
else if (cell->back()->asScriptInset() &&
!cell->back()->asScriptInset()->has(up))
cell->back().nucleus()->asScriptInset()->ensure(up);
else if (cell->back()->asScriptInset())
cell->push_back(MathAtom(new MathScriptInset(up)));
else
cell->back() = MathAtom(new MathScriptInset(cell->back(), up));
MathScriptInset * p = cell->back().nucleus()->asScriptInset();
// special handling of {}-bases
// is this always correct?
if (p->nuc().size() == 1 && p->nuc().back()->asNestInset() &&
p->nuc().back()->extraBraces())
p->nuc() = p->nuc().back()->asNestInset()->cell(0);
parse(p->cell(up), FLAG_ITEM, mode);
if (limits) {
p->limits(limits);
limits = 0;
}
bool up = (t.cat() == catSuper);
// we need no new script inset if the last thing was a scriptinset,
// which has that script already not the same script already
if (!cell->size())
cell->push_back(MathAtom(new MathScriptInset(up)));
else if (cell->back()->asScriptInset() &&
!cell->back()->asScriptInset()->has(up))
cell->back().nucleus()->asScriptInset()->ensure(up);
else if (cell->back()->asScriptInset())
cell->push_back(MathAtom(new MathScriptInset(up)));
else
cell->back() = MathAtom(new MathScriptInset(cell->back(), up));
MathScriptInset * p = cell->back().nucleus()->asScriptInset();
// special handling of {}-bases
// is this always correct?
if (p->nuc().size() == 1 && p->nuc().back()->asNestInset() &&
p->nuc().back()->extraBraces())
p->nuc() = p->nuc().back()->asNestInset()->cell(0);
parse(p->cell(up), FLAG_ITEM, mode);
if (limits) {
p->limits(limits);
limits = 0;
}
}
@ -950,10 +983,8 @@ void Parser::parse1(MathGridInset & grid, unsigned flags,
string const name = getArg('{', '}');
if (name == "array" || name == "subarray") {
string const valign =
asString(parse(FLAG_OPTION, MathInset::VERBATIM_MODE)) + 'c';
string const halign =
asString(parse(FLAG_ITEM, MathInset::VERBATIM_MODE));
string const valign = parse_verbatim_option() + 'c';
string const halign = parse_verbatim_item();
cell->push_back(MathAtom(new MathArrayInset(name, valign[0], halign)));
parse2(cell->back(), FLAG_END, mode, false);
}
@ -1050,12 +1081,12 @@ void Parser::parse1(MathGridInset & grid, unsigned flags,
}
else if (t.cs() == "label") {
MathArray ar = parse(FLAG_ITEM, MathInset::VERBATIM_MODE);
string label = parse_verbatim_item();
if (grid.asHullInset()) {
grid.asHullInset()->label(cellrow, asString(ar));
grid.asHullInset()->label(cellrow, label);
} else {
cell->push_back(createMathInset(t.cs()));
cell->push_back(MathAtom(new MathBraceInset(ar)));
cell->push_back(MathAtom(new MathBraceInset(asArray(label))));
}
}
@ -1132,14 +1163,12 @@ void Parser::parse1(MathGridInset & grid, unsigned flags,
else if (l->inset == "parbox") {
// read optional positioning and width
MathArray pos, width;
parse(pos, FLAG_OPTION, MathInset::VERBATIM_MODE);
parse(width, FLAG_ITEM, MathInset::VERBATIM_MODE);
string pos = parse_verbatim_option();
string width = parse_verbatim_item();
cell->push_back(createMathInset(t.cs()));
parse(cell->back().nucleus()->cell(0), FLAG_ITEM, MathInset::TEXT_MODE);
cell->back().nucleus()->asParboxInset()->setPosition(asString(pos));
cell->back().nucleus()->asParboxInset()->setWidth(asString(width));
cell->back().nucleus()->asParboxInset()->setPosition(pos);
cell->back().nucleus()->asParboxInset()->setWidth(width);
}
else {

4
src/mathed/math_scriptinset.C
View File

@ -360,12 +360,12 @@ void MathScriptInset::write(WriteStream & os) const
{
if (nuc().size()) {
os << nuc();
if (nuc().back()->takesLimits()) {
//if (nuc().back()->takesLimits()) {
if (limits_ == -1)
os << "\\nolimits ";
if (limits_ == 1)
os << "\\limits ";
}
//}
} else {
if (os.firstitem())
lyxerr[Debug::MATHED] << "suppressing {} when writing\n";