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InsetMathFont: harden the new switches against unexpected values.

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This commit is contained in:
Thibaut Cuvelier 2024-10-30 01:55:22 +01:00
parent 87fb63220a
commit 110e654b67
1 changed files with 35 additions and 21 deletions
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56
src/mathed/InsetMathFont.cpp
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@ -88,6 +88,7 @@ public:
font.family_ = MATH_MONOSPACE_FAMILY; font.family_ = MATH_MONOSPACE_FAMILY;
else if (tag == "textipa" || tag == "textsc" || tag == "noun") else if (tag == "textipa" || tag == "textsc" || tag == "noun")
font.family_ = MATH_SMALL_CAPS; font.family_ = MATH_SMALL_CAPS;
// Otherwise, the tag is not recognised, use the default font.
return font; return font;
} }
@ -106,26 +107,33 @@ public:
{ {
std::string span_class; std::string span_class;
switch (family_) { switch (family_) {
case MATH_NORMAL_FAMILY: case MATH_NORMAL_FAMILY:
break; break;
case MATH_FRAKTUR_FAMILY: case MATH_FRAKTUR_FAMILY:
span_class = "fraktur"; span_class = "fraktur";
break; break;
case MATH_SANS_FAMILY: case MATH_SANS_FAMILY:
span_class = "sans"; span_class = "sans";
break; break;
case MATH_MONOSPACE_FAMILY: case MATH_MONOSPACE_FAMILY:
span_class = "monospace"; span_class = "monospace";
break; break;
case MATH_DOUBLE_STRUCK_FAMILY: case MATH_DOUBLE_STRUCK_FAMILY:
// This style does not exist in HTML and cannot be implemented in CSS. // This style does not exist in HTML and cannot be implemented in CSS.
break; break;
case MATH_SCRIPT_FAMILY: case MATH_SCRIPT_FAMILY:
span_class = "script"; span_class = "script";
break; break;
case MATH_SMALL_CAPS: case MATH_SMALL_CAPS:
span_class = "noun"; span_class = "noun";
break; break;
}
// Explicitly match the cases with an empty output. This ensures that we catch at runtime
// invalid values for the enum while keeping compile-time warnings.
if (span_class.empty() && (family_ != MATH_NORMAL_FAMILY || family_ != MATH_DOUBLE_STRUCK_FAMILY)) {
LYXERR(Debug::MATHED,
"Unexpected case in MathFontInfo::toHTMLSpanClass: family_ = " << family_
<< ", series = " << series_ << ", shape = " << shape_);
} }
if (series_ == MATH_BOLD_SERIES) { if (series_ == MATH_BOLD_SERIES) {
@ -175,8 +183,14 @@ private:
return shape_ == MATH_UP_SHAPE ? "bold" : "bold-italic"; return shape_ == MATH_UP_SHAPE ? "bold" : "bold-italic";
case MATH_SMALL_CAPS: case MATH_SMALL_CAPS:
// No valid value... // No valid value...
return ""; return "";
} }
// Better safe than sorry.
LYXERR(Debug::MATHED,
"Unexpected case in MathFontInfo::toMathVariantForMathML3: family_ = " << family_
<< ", series = " << series_ << ", shape = " << shape_);
return "";
} }
std::string toMathVariantForMathMLCore() const std::string toMathVariantForMathMLCore() const