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Avoid creating bad math insets with Ctrl+M

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@27214 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Enrico Forestieri 2008-10-31 15:19:39 +00:00
parent fa4801bdc9
commit 28fe97b553
4 changed files with 58 additions and 11 deletions
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6
src/Text3.cpp
View File

@ -163,13 +163,11 @@ static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
istringstream is(selstr);
Lexer lex;
lex.setStream(is);
formula->readQuiet(lex);
if (formula->getType() == hullNone) {
if (!formula->readQuiet(lex)) {
// No valid formula, let's try with delims
is.str("$" + selstr + "$");
lex.setStream(is);
formula->readQuiet(lex);
if (formula->getType() == hullNone) {
if (!formula->readQuiet(lex)) {
// Still not valid, leave it as is
valid = false;
delete formula;

5
src/mathed/InsetMathHull.cpp
View File

@ -1585,11 +1585,12 @@ void InsetMathHull::read(Lexer & lex)
}
void InsetMathHull::readQuiet(Lexer & lex)
bool InsetMathHull::readQuiet(Lexer & lex)
{
MathAtom at;
mathed_parse_normal(at, lex, Parse::QUIET);
bool result = mathed_parse_normal(at, lex, Parse::QUIET);
operator=(*at->asHullInset());
return result;
}

2
src/mathed/InsetMathHull.h
View File

@ -113,7 +113,7 @@ public:
///
void read(Lexer & lex);
///
void readQuiet(Lexer & lex);
bool readQuiet(Lexer & lex);
///
int plaintext(odocstream &, OutputParams const &) const;
///

56
src/mathed/MathParser.cpp
View File

@ -653,10 +653,10 @@ bool Parser::parse(MathAtom & at)
// at.nucleus()->cell(0) = ar;
//else
// lyxerr << "unusual contents found: " << ar << endl;
return false;
}
at = ar[0];
return true;
success_ = false;
} else
at = ar[0];
return success_;
}
@ -1125,11 +1125,19 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
}
else if (t.cs() == "(") {
if (mode == InsetMath::MATH_MODE) {
error("bad math environment");
break;
}
cell->push_back(MathAtom(new InsetMathHull(hullSimple)));
parse2(cell->back(), FLAG_SIMPLE2, InsetMath::MATH_MODE, false);
}
else if (t.cs() == "[") {
if (mode != InsetMath::UNDECIDED_MODE) {
error("bad math environment");
break;
}
cell->push_back(MathAtom(new InsetMathHull(hullEquation)));
parse2(cell->back(), FLAG_EQUATION, InsetMath::MATH_MODE, false);
}
@ -1365,32 +1373,56 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
}
else if (name == "math") {
if (mode == InsetMath::MATH_MODE) {
error("bad math environment");
break;
}
cell->push_back(MathAtom(new InsetMathHull(hullSimple)));
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, true);
}
else if (name == "equation" || name == "equation*"
|| name == "displaymath") {
if (mode != InsetMath::UNDECIDED_MODE) {
error("bad math environment");
break;
}
cell->push_back(MathAtom(new InsetMathHull(hullEquation)));
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, (name == "equation"));
}
else if (name == "eqnarray" || name == "eqnarray*") {
if (mode != InsetMath::UNDECIDED_MODE) {
error("bad math environment");
break;
}
cell->push_back(MathAtom(new InsetMathHull(hullEqnArray)));
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
}
else if (name == "align" || name == "align*") {
if (mode != InsetMath::UNDECIDED_MODE) {
error("bad math environment");
break;
}
cell->push_back(MathAtom(new InsetMathHull(hullAlign)));
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
}
else if (name == "flalign" || name == "flalign*") {
if (mode != InsetMath::UNDECIDED_MODE) {
error("bad math environment");
break;
}
cell->push_back(MathAtom(new InsetMathHull(hullFlAlign)));
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
}
else if (name == "alignat" || name == "alignat*") {
if (mode != InsetMath::UNDECIDED_MODE) {
error("bad math environment");
break;
}
// ignore this for a while
getArg('{', '}');
cell->push_back(MathAtom(new InsetMathHull(hullAlignAt)));
@ -1398,6 +1430,10 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
}
else if (name == "xalignat" || name == "xalignat*") {
if (mode != InsetMath::UNDECIDED_MODE) {
error("bad math environment");
break;
}
// ignore this for a while
getArg('{', '}');
cell->push_back(MathAtom(new InsetMathHull(hullXAlignAt)));
@ -1405,6 +1441,10 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
}
else if (name == "xxalignat") {
if (mode != InsetMath::UNDECIDED_MODE) {
error("bad math environment");
break;
}
// ignore this for a while
getArg('{', '}');
cell->push_back(MathAtom(new InsetMathHull(hullXXAlignAt)));
@ -1412,11 +1452,19 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
}
else if (name == "multline" || name == "multline*") {
if (mode != InsetMath::UNDECIDED_MODE) {
error("bad math environment");
break;
}
cell->push_back(MathAtom(new InsetMathHull(hullMultline)));
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
}
else if (name == "gather" || name == "gather*") {
if (mode != InsetMath::UNDECIDED_MODE) {
error("bad math environment");
break;
}
cell->push_back(MathAtom(new InsetMathHull(hullGather)));
parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
}