Float fabricFloatFromYogaOptionalFloat(YGFloatOptional value) {
if (value.isUndefined()) {
return kFloatUndefined;
}
return fabricFloatFromYogaFloat(value.getValue());
}
std::string stringFromYogaStyleOptionalFloat(YGFloatOptional value) {
if (value.isUndefined()) {
return "undefined";
}
return folly::to<std::string>(fabricFloatFromYogaFloat(value.getValue()));
}
YGFloatOptional YGFloatOptionalMax(
const YGFloatOptional& op1,
const YGFloatOptional& op2) {
if (!op1.isUndefined() && !op2.isUndefined()) {
return op1.getValue() > op2.getValue() ? op1 : op2;
}
return op1.isUndefined() ? op2 : op1;
}
// If both left and right are defined, then use left. Otherwise return +left or
// -right depending on which is defined.
YGFloatOptional YGNode::relativePosition(
const YGFlexDirection axis,
const float axisSize) const {
if (isLeadingPositionDefined(axis)) {
return getLeadingPosition(axis, axisSize);
}
YGFloatOptional trailingPosition = getTrailingPosition(axis, axisSize);
if (!trailingPosition.isUndefined()) {
trailingPosition = YGFloatOptional{-1 * trailingPosition.unwrap()};
}
return trailingPosition;
}
// If both left and right are defined, then use left. Otherwise return
// +left or -right depending on which is defined.
YGFloatOptional YGNode::relativePosition(
const YGFlexDirection& axis,
const float& axisSize) const {
if (isLeadingPositionDefined(axis)) {
return getLeadingPosition(axis, axisSize);
}
YGFloatOptional trailingPosition = getTrailingPosition(axis, axisSize);
if (!trailingPosition.isUndefined()) {
trailingPosition.setValue(-1 * trailingPosition.getValue());
}
return trailingPosition;
}
YGFloatOptional YGNode::getLeadingPadding(
const YGFlexDirection axis,
const float widthSize) const {
const YGFloatOptional paddingEdgeStart =
YGResolveValue(style_.padding[YGEdgeStart], widthSize);
if (YGFlexDirectionIsRow(axis) &&
!style_.padding[YGEdgeStart].isUndefined() &&
!paddingEdgeStart.isUndefined() && paddingEdgeStart.unwrap() >= 0.0f) {
return paddingEdgeStart;
}
YGFloatOptional resolvedValue = YGResolveValue(
YGComputedEdgeValue(
style_.padding, leading[axis], CompactValue::ofZero()),
widthSize);
return YGFloatOptionalMax(resolvedValue, YGFloatOptional(0.0f));
}
float YGUnwrapFloatOptional(const YGFloatOptional& op) {
return op.isUndefined() ? YGUndefined : op.getValue();
}
