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.
91 lines
2.6 KiB
C++
91 lines
2.6 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 AlignFlags {
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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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AlignFlags operator~() const {
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return {static_cast<decltype(bits)>(~bits)};
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}
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AlignFlags operator|(const AlignFlags& other) const {
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return {static_cast<decltype(bits)>(this->bits | other.bits)};
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}
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AlignFlags& operator|=(const AlignFlags& other) {
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*this = (*this | other);
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return *this;
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}
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AlignFlags operator&(const AlignFlags& other) const {
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return {static_cast<decltype(bits)>(this->bits & other.bits)};
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}
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AlignFlags& operator&=(const AlignFlags& other) {
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*this = (*this & other);
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return *this;
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}
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AlignFlags operator^(const AlignFlags& other) const {
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return {static_cast<decltype(bits)>(this->bits ^ other.bits)};
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}
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AlignFlags& operator^=(const AlignFlags& other) {
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*this = (*this ^ other);
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return *this;
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}
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};
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/// 'auto'
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static const AlignFlags AlignFlags_AUTO = AlignFlags{ /* .bits = */ (uint8_t)0 };
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/// 'normal'
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static const AlignFlags AlignFlags_NORMAL = AlignFlags{ /* .bits = */ (uint8_t)1 };
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/// 'start'
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static const AlignFlags AlignFlags_START = AlignFlags{ /* .bits = */ (uint8_t)(1 << 1) };
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/// 'end'
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static const AlignFlags AlignFlags_END = AlignFlags{ /* .bits = */ (uint8_t)(1 << 2) };
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/// 'flex-start'
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static const AlignFlags AlignFlags_FLEX_START = AlignFlags{ /* .bits = */ (uint8_t)(1 << 3) };
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struct DebugFlags {
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uint32_t bits;
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explicit operator bool() const {
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return !!bits;
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}
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DebugFlags operator~() const {
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return {static_cast<decltype(bits)>(~bits)};
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}
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DebugFlags operator|(const DebugFlags& other) const {
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return {static_cast<decltype(bits)>(this->bits | other.bits)};
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}
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DebugFlags& operator|=(const DebugFlags& other) {
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*this = (*this | other);
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return *this;
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}
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DebugFlags operator&(const DebugFlags& other) const {
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return {static_cast<decltype(bits)>(this->bits & other.bits)};
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}
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DebugFlags& operator&=(const DebugFlags& other) {
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*this = (*this & other);
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return *this;
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}
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DebugFlags operator^(const DebugFlags& other) const {
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return {static_cast<decltype(bits)>(this->bits ^ other.bits)};
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}
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DebugFlags& operator^=(const DebugFlags& other) {
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*this = (*this ^ other);
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return *this;
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}
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};
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/// Flag with the topmost bit set of the u32
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static const DebugFlags DebugFlags_BIGGEST_ALLOWED = DebugFlags{ /* .bits = */ (uint32_t)(1 << 31) };
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extern "C" {
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void root(AlignFlags flags, DebugFlags bigger_flags);
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} // extern "C"
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