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msgpack.hexpat
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msgpack.hexpat
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#pragma MIME application/x-msgpack
enum Type : u8 {
PositiveFixInt = 0x00 ... 0x7F,
FixMap = 0x80 ... 0x8F,
FixArray = 0x90 ... 0x9F,
FixStr = 0xA0 ... 0xBF,
Nil = 0xC0,
Unused = 0xC1,
False = 0xC2,
True = 0xC3,
Bin8 = 0xC4,
Bin16 = 0xC5,
Bin32 = 0xC6,
Ext8 = 0xC7,
Ext16 = 0xC8,
Ext32 = 0xC9,
Float32 = 0xCA,
Float64 = 0xCB,
Uint8 = 0xCC,
Uint16 = 0xCD,
Uint32 = 0xCE,
Uint64 = 0xCF,
Int8 = 0xD0,
Int16 = 0xD1,
Int32 = 0xD2,
Int64 = 0xD3,
FixExt1 = 0xD4,
FixExt2 = 0xD5,
FixExt4 = 0xD6,
FixExt8 = 0xD7,
FixExt16 = 0xD8,
Str8 = 0xD9,
Str16 = 0xDA,
Str32 = 0xDB,
Array16 = 0xDC,
Array32 = 0xDD,
Map16 = 0xDE,
Map32 = 0xDF,
NegativeFixInt = 0xE0 ... 0xFF
};
fn format_positive_fixint(u8 value) {
return value & 0b0111'1111;
};
fn format_negative_fixint(u8 value) {
return -(value & 0b0001'1111);
};
using MessagePack;
struct MapEntry {
MessagePack key, value;
};
struct MessagePack {
Type type;
if (u8(type) <= 0x7F) {
$ -= 1;
u8 value [[format("format_positive_fixint")]];
} else if (u8(type) >= Type::NegativeFixInt) {
$ -= 1;
u8 value [[format("format_negative_fixint")]];
} else if (type == Type::Uint8)
be u8 value;
else if (type == Type::Uint16)
be u16 value;
else if (type == Type::Uint32)
be u32 value;
else if (type == Type::Uint64)
be u64 value;
else if (type == Type::Int8)
be s8 value;
else if (type == Type::Int16)
be s16 value;
else if (type == Type::Int32)
be s32 value;
else if (type == Type::Int64)
be s64 value;
else if (type == Type::Float32)
be float value;
else if (type == Type::Float64)
be double value;
else if ((u8(type) & 0b1110'0000) == Type::FixStr)
char value[u8(type) & 0b0001'1111];
else if (type == Type::Str8) {
be u8 length;
char value[length];
} else if (type == Type::Str16) {
be u16 length;
char value[length];
} else if (type == Type::Str32) {
be u32 length;
char value[length];
} else if (type == Type::Bin8) {
be u8 length;
u8 value[length];
} else if (type == Type::Bin16) {
be u16 length;
u8 value[length];
} else if (type == Type::Bin32) {
be u32 length;
u8 value[length];
} else if ((u8(type) & 0b1111'0000) == Type::FixArray)
MessagePack value[u8(type) & 0b0000'1111];
else if (type == Type::Array16) {
be u16 length;
MessagePack value[length];
} else if (type == Type::Array32) {
be u32 length;
MessagePack value[length];
} else if ((u8(type) & 0b1111'0000) == Type::FixMap)
MapEntry value[u8(type) & 0b0000'1111];
else if (type == Type::Map16) {
be u16 length;
MapEntry value[length];
} else if (type == Type::Map32) {
be u32 length;
MapEntry value[length];
} else if (type == Type::FixExt1) {
s8 type;
u8 data;
} else if (type == Type::FixExt2) {
s8 type;
u16 data;
} else if (type == Type::FixExt4) {
s8 type;
u32 data;
} else if (type == Type::FixExt8) {
s8 type;
u64 data;
} else if (type == Type::FixExt16) {
s8 type;
u128 data;
} else if (type == Type::Ext8) {
u8 length;
s8 type;
u8 data[length];
} else if (type == Type::Ext16) {
u16 length;
s8 type;
u8 data[length];
} else if (type == Type::Ext32) {
u32 length;
s8 type;
u8 data[length];
}
};
MessagePack pack @ 0x00;