91 lines
2.6 KiB
C++

#include <cstdarg>
#include <cstdint>
#include <cstdlib>
#include <ostream>
#include <new>
/// Constants shared by multiple CSS Box Alignment properties
///
/// These constants match Gecko's `NS_STYLE_ALIGN_*` constants.
struct AlignFlags {
uint8_t bits;
explicit operator bool() const {
return !!bits;
}
AlignFlags operator~() const {
return {static_cast<decltype(bits)>(~bits)};
}
AlignFlags operator|(const AlignFlags& other) const {
return {static_cast<decltype(bits)>(this->bits | other.bits)};
}
AlignFlags& operator|=(const AlignFlags& other) {
*this = (*this | other);
return *this;
}
AlignFlags operator&(const AlignFlags& other) const {
return {static_cast<decltype(bits)>(this->bits & other.bits)};
}
AlignFlags& operator&=(const AlignFlags& other) {
*this = (*this & other);
return *this;
}
AlignFlags operator^(const AlignFlags& other) const {
return {static_cast<decltype(bits)>(this->bits ^ other.bits)};
}
AlignFlags& operator^=(const AlignFlags& other) {
*this = (*this ^ other);
return *this;
}
};
/// 'auto'
static const AlignFlags AlignFlags_AUTO = AlignFlags{ /* .bits = */ (uint8_t)0 };
/// 'normal'
static const AlignFlags AlignFlags_NORMAL = AlignFlags{ /* .bits = */ (uint8_t)1 };
/// 'start'
static const AlignFlags AlignFlags_START = AlignFlags{ /* .bits = */ (uint8_t)(1 << 1) };
/// 'end'
static const AlignFlags AlignFlags_END = AlignFlags{ /* .bits = */ (uint8_t)(1 << 2) };
/// 'flex-start'
static const AlignFlags AlignFlags_FLEX_START = AlignFlags{ /* .bits = */ (uint8_t)(1 << 3) };
struct DebugFlags {
uint32_t bits;
explicit operator bool() const {
return !!bits;
}
DebugFlags operator~() const {
return {static_cast<decltype(bits)>(~bits)};
}
DebugFlags operator|(const DebugFlags& other) const {
return {static_cast<decltype(bits)>(this->bits | other.bits)};
}
DebugFlags& operator|=(const DebugFlags& other) {
*this = (*this | other);
return *this;
}
DebugFlags operator&(const DebugFlags& other) const {
return {static_cast<decltype(bits)>(this->bits & other.bits)};
}
DebugFlags& operator&=(const DebugFlags& other) {
*this = (*this & other);
return *this;
}
DebugFlags operator^(const DebugFlags& other) const {
return {static_cast<decltype(bits)>(this->bits ^ other.bits)};
}
DebugFlags& operator^=(const DebugFlags& other) {
*this = (*this ^ other);
return *this;
}
};
/// Flag with the topmost bit set of the u32
static const DebugFlags DebugFlags_BIGGEST_ALLOWED = DebugFlags{ /* .bits = */ (uint32_t)(1 << 31) };
extern "C" {
void root(AlignFlags flags, DebugFlags bigger_flags);
} // extern "C"