void KstEquation::save(QTextStream &ts, const QString& indent) {
QString l2 = indent + " ";
ts << indent << "<equationobject>" << endl;
ts << l2 << "<tag>" << QStyleSheet::escape(tag().tagString()) << "</tag>" << endl;
// Reparse the equation, then write it back out in text so that we can update
// any vectors or scalars that had name changes, but we don't get affected by
// the optimizer
if (!_equation.isEmpty()) {
QMutexLocker ml(&Equation::mutex());
yy_scan_string(_equation.latin1());
ParsedEquation = 0L;
int rc = yyparse();
Equation::Node *en = static_cast<Equation::Node*>(ParsedEquation);
if (rc == 0 && en) {
if (!en->takeVectors(VectorsUsed)) {
KstDebug::self()->log(i18n("Equation [%1] failed to find its vectors when saving. Resulting Kst file may have issues.").arg(_equation), KstDebug::Warning);
}
QString etext = en->text();
ts << l2 << "<equation>" << QStyleSheet::escape(etext) << "</equation>" << endl;
}
delete en;
ParsedEquation = 0L;
}
ts << l2 << "<xvector>" << QStyleSheet::escape((*_xInVector)->tag().tagString()) << "</xvector>" << endl;
if (_doInterp) {
ts << l2 << "<interpolate/>" << endl;
}
ts << indent << "</equationobject>" << endl;
}
void testText(const char *equation, const char *expect) {
bool failure = false;
QString txt;
yy_scan_string(equation);
int rc = yyparse();
if (rc == 0) {
vectorsUsed.clear();
Equation::Node *eq = static_cast<Equation::Node*>(ParsedEquation);
assert(eq);
ParsedEquation = 0L;
//eq->collectVectors(vectorsUsed);
txt = eq->text();
failure = txt != expect;
delete eq;
} else {
// Parse error
delete (Equation::Node*)ParsedEquation;
ParsedEquation = 0L;
failure = true;
}
if (failure) {
if (!Equation::errorStack.isEmpty()) {
printf("Failures on [%s] -------------------------\n", equation);
for (QStringList::ConstIterator i = Equation::errorStack.constBegin(); i != Equation::errorStack.constEnd(); ++i) {
printf("%s\n", (*i).latin1());
}
printf("------------------------------------------\n");
} else {
printf("Got [%s], expected [%s]\n", txt.latin1(), expect);
}
--rc;
}
}