5f6b223237
Ideally we'd just do this when we need it, but the ostream derivation will be controlled by both global config and per-structure config, so it's hard to know exactly when we need it and when we don't.
62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
#include <cstdarg>
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#include <cstdint>
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#include <cstdlib>
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#include <ostream>
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#include <new>
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/// Constants shared by multiple CSS Box Alignment properties
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///
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/// These constants match Gecko's `NS_STYLE_ALIGN_*` constants.
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struct StyleAlignFlags {
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uint8_t bits;
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explicit operator bool() const {
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return !!bits;
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}
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StyleAlignFlags operator~() const {
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return {static_cast<decltype(bits)>(~bits)};
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}
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StyleAlignFlags operator|(const StyleAlignFlags& other) const {
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return {static_cast<decltype(bits)>(this->bits | other.bits)};
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}
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StyleAlignFlags& operator|=(const StyleAlignFlags& other) {
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*this = (*this | other);
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return *this;
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}
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StyleAlignFlags operator&(const StyleAlignFlags& other) const {
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return {static_cast<decltype(bits)>(this->bits & other.bits)};
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}
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StyleAlignFlags& operator&=(const StyleAlignFlags& other) {
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*this = (*this & other);
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return *this;
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}
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StyleAlignFlags operator^(const StyleAlignFlags& other) const {
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return {static_cast<decltype(bits)>(this->bits ^ other.bits)};
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}
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StyleAlignFlags& operator^=(const StyleAlignFlags& other) {
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*this = (*this ^ other);
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return *this;
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}
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static const StyleAlignFlags AUTO;
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static const StyleAlignFlags NORMAL;
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static const StyleAlignFlags START;
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static const StyleAlignFlags END;
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static const StyleAlignFlags FLEX_START;
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};
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/// 'auto'
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inline const StyleAlignFlags StyleAlignFlags::AUTO = StyleAlignFlags{ /* .bits = */ (uint8_t)0 };
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/// 'normal'
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inline const StyleAlignFlags StyleAlignFlags::NORMAL = StyleAlignFlags{ /* .bits = */ (uint8_t)1 };
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/// 'start'
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inline const StyleAlignFlags StyleAlignFlags::START = StyleAlignFlags{ /* .bits = */ (uint8_t)(1 << 1) };
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/// 'end'
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inline const StyleAlignFlags StyleAlignFlags::END = StyleAlignFlags{ /* .bits = */ (uint8_t)(1 << 2) };
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/// 'flex-start'
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inline const StyleAlignFlags StyleAlignFlags::FLEX_START = StyleAlignFlags{ /* .bits = */ (uint8_t)(1 << 3) };
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extern "C" {
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void root(StyleAlignFlags flags);
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} // extern "C"
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