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9198e18c10
fq/pkg/decode/types.json
Mattias Wadman 1383b411ae decode,interp: Add arbitrary large integer support (BigInt) 
Was already handled in fq in various places as gojq uses them

Update msgpack to support negative integers that can't represented as int64
Rename read try* number functions to make them more explicit
2022-01-15 19:00:42 +01:00

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{
"types": {
"Str": {"go_type": "string", "zero": "\"\"", "compare": "a == b", "range": "a >= start && a <= end"},
"U": {"go_type": "uint64", "zero": "0", "compare": "a == b", "range": "a >= start && a <= end"},
"S": {"go_type": "int64", "zero": "0", "compare": "a == b", "range": "a >= start && a <= end"},
"F": {"go_type": "float64", "map_from": false, "zero": "0", "compare": "a == b", "range": "a >= start && a <= end"},
"Bool": {"go_type": "bool", "zero": "false", "compare": "a == b"},
"BitBuf": {"go_type": "*bitio.Buffer", "zero": "nil", "map_from": false, "map_to": false},
"BigInt": {"go_type": "*big.Int", "zero": "nil", "map_from": false, "map_to": false, "compare": "a.Cmp(b) == 0", "range": "a.Cmp(start) >= 0 && a.Cmp(end) <= 0"}
},
"readers": [
{
"name": "Raw",
"type": "BitBuf",
"variants": [ {"name": "Len", "args": "nBits", "params": "nBits int64", "call": "d.tryBitBuf(nBits)", "doc": "nBits raw bits"} ]
},
{
"name": "Bool",
"type": "Bool",
"variants": [ {"name": "", "args": "", "params": "", "call": "d.tryBool()", "doc": "1 bit boolean"} ]
},
{
"name": "U",
"type": "U",
"variants": [
{"name": "", "args": "nBits", "params": "nBits int", "call": "d.tryUEndian(nBits, d.Endian)", "doc": "nBits bits unsigned integer in current endian"},
{
"name": "E",
"args": "nBits, endian",
"params": "nBits int, endian Endian",
"call": "d.tryUEndian(nBits, endian)",
"doc": "nBits unsigned integer in specified endian"
},
{ "name": "$n", "range": [1, 64], "args": "", "params": "", "call": "d.tryUEndian($n, d.Endian)", "doc": "$n bit unsigned integer in current endian" },
{ "name": "$nLE", "range": [8, 64], "args": "", "params": "", "call": "d.tryUEndian($n, LittleEndian)", "doc": "$n bit unsigned integer in little-endian" },
{ "name": "$nBE", "range": [8, 64], "args": "", "params": "", "call": "d.tryUEndian($n, BigEndian)", "doc": "$n bit unsigned integer in big-endian" }
]
},
{
"name": "S",
"type": "S",
"variants": [
{"name": "", "args": "nBits", "params": "nBits int", "call": "d.trySEndian(nBits, d.Endian)", "doc": "nBits bits signed integer in current endian"},
{
"name": "E",
"args": "nBits, endian",
"params": "nBits int, endian Endian",
"call": "d.trySEndian(nBits, endian)",
"doc": "nBits signed integer in specified endian"
},
{ "name": "$n", "range": [1, 64], "args": "", "params": "", "call": "d.trySEndian($n, d.Endian)", "doc": "$n bit signed integer in current endian" },
{ "name": "$nLE", "range": [8, 64], "args": "", "params": "", "call": "d.trySEndian($n, LittleEndian)", "doc": "$n bit signed integer in little-endian" },
{ "name": "$nBE", "range": [8, 64], "args": "", "params": "", "call": "d.trySEndian($n, BigEndian)", "doc": "$n bit signed integer in big-endian" }
]
},
{
"name": "UBigInt",
"type": "BigInt",
"variants": [
{"name": "", "args": "nBits", "params": "nBits int", "call": "d.tryBigIntEndianSign(nBits, d.Endian, false)", "doc": "nBits bits signed integer in current endian"},
{
"name": "E",
"args": "nBits, endian",
"params": "nBits int, endian Endian",
"call": "d.tryBigIntEndianSign(nBits, endian, false)",
"doc": "nBits signed integer in specified endian"
},
{"name": "LE", "args": "nBits", "params": "nBits int", "call": "d.tryBigIntEndianSign(nBits, LittleEndian, false)", "doc": "nBits bit signed integer in little-endian"},
{"name": "BE", "args": "nBits", "params": "nBits int", "call": "d.tryBigIntEndianSign(nBits, BigEndian, false)", "doc": "nBits bit signed integer in big-endian"}
]
},
{
"name": "SBigInt",
"type": "BigInt",
"variants": [
{"name": "", "args": "nBits", "params": "nBits int", "call": "d.tryBigIntEndianSign(nBits, d.Endian, true)", "doc": "nBits bits signed integer in current endian"},
{
"name": "E",
"args": "nBits, endian",
"params": "nBits int, endian Endian",
"call": "d.tryBigIntEndianSign(nBits, endian, true)",
"doc": "nBits signed integer in specified endian"
},
{"name": "LE", "args": "nBits", "params": "nBits int", "call": "d.tryBigIntEndianSign(nBits, LittleEndian, true)", "doc": "nBits bit signed integer in little-endian"},
{"name": "BE", "args": "nBits", "params": "nBits int", "call": "d.tryBigIntEndianSign(nBits, BigEndian, true)", "doc": "nBits bit signed integer in big-endian"}
]
},
{
"name": "F",
"type": "F",
"variants": [
{"name": "", "args": "nBits", "params": "nBits int", "call": "d.tryFEndian(nBits, d.Endian)", "doc": "nBit IEEE 754 float in current endian"},
{"name": "E", "args": "nBits, endian", "params": "nBits int, endian Endian", "call": "d.tryFEndian(nBits, endian)", "doc": "nBit IEEE 754 float in specified endian"},
{"name": "16", "args": "", "params": "", "call": "d.tryFEndian(16, d.Endian)", "doc": "16 bit IEEE 754 float in current endian"},
{"name": "32", "args": "", "params": "", "call": "d.tryFEndian(32, d.Endian)", "doc": "32 bit IEEE 754 float in current endian"},
{"name": "64", "args": "", "params": "", "call": "d.tryFEndian(64, d.Endian)", "doc": "64 bit IEEE 754 float in current endian"},
{"name": "16LE", "args": "", "params": "", "call": "d.tryFEndian(16, LittleEndian)", "doc": "16 bit IEEE 754 float in little-endian"},
{"name": "32LE", "args": "", "params": "", "call": "d.tryFEndian(32, LittleEndian)", "doc": "32 bit IEEE 754 float in little-endian"},
{"name": "64LE", "args": "", "params": "", "call": "d.tryFEndian(64, LittleEndian)", "doc": "64 bit IEEE 754 float in little-endian"},
{"name": "16BE", "args": "", "params": "", "call": "d.tryFEndian(16, BigEndian)", "doc": "16 bit IEEE 754 float in big-endian"},
{"name": "32BE", "args": "", "params": "", "call": "d.tryFEndian(32, BigEndian)", "doc": "32 bit IEEE 754 float in big-endian"},
{"name": "64BE", "args": "", "params": "", "call": "d.tryFEndian(64, BigEndian)", "doc": "64 bit IEEE 754 float in big-endian"}
]
},
{
"name": "FP",
"type": "F",
"variants": [
{
"name": "",
"args": "nBits, fBits",
"params": "nBits int, fBits int",
"call": "d.tryFPEndian(nBits, fBits, d.Endian)",
"doc": "nBits fixed-point number in current endian"
},
{
"name": "E",
"args": "nBits, fBits, endian",
"params": "nBits int, fBits int, endian Endian",
"call": "d.tryFPEndian(nBits, fBits, endian)",
"doc": "nBits fixed-point number in specified endian"
},
{"name": "16", "args": "", "params": "", "call": "d.tryFPEndian(16, 8, d.Endian)", "doc": "16 bit fixed-point number in current endian"},
{"name": "32", "args": "", "params": "", "call": "d.tryFPEndian(32, 16, d.Endian)", "doc": "32 bit fixed-point number in current endian"},
{"name": "64", "args": "", "params": "", "call": "d.tryFPEndian(64, 32, d.Endian)", "doc": "64 bit fixed-point number in current endian"},
{"name": "16LE", "args": "", "params": "", "call": "d.tryFPEndian(16, 8, LittleEndian)", "doc": "16 bit fixed-point number in little-endian"},
{"name": "32LE", "args": "", "params": "", "call": "d.tryFPEndian(32, 16, LittleEndian)", "doc": "32 bit fixed-point number in little-endian"},
{"name": "64LE", "args": "", "params": "", "call": "d.tryFPEndian(64, 32, LittleEndian)", "doc": "64 bit fixed-point number in little-endian"},
{"name": "16BE", "args": "", "params": "", "call": "d.tryFPEndian(16, 8, BigEndian)", "doc": "16 bit fixed-point number in big-endian"},
{"name": "32BE", "args": "", "params": "", "call": "d.tryFPEndian(32, 16, BigEndian)", "doc": "32 bit fixed-point number in big-endian"},
{"name": "64BE", "args": "", "params": "", "call": "d.tryFPEndian(64, 32, BigEndian)", "doc": "64 bit fixed-point number in big-endian"}
]
},
{
"name": "Unary",
"type": "U",
"variants": [ {"name": "", "args": "ov", "params": "ov uint64", "call": "d.tryUnary(ov)", "doc": "unary integer using ov as \"one\" value"} ]
},
{
"type": "Str",
"name": "UTF",
"variants": [
{"name": "8", "args": "nBytes", "params": "nBytes int", "call": "d.tryText(nBytes, UTF8BOM)", "doc": "nBytes bytes UTF8 string"},
{
"name": "16",
"args": "nBytes",
"params": "nBytes int",
"call": "d.tryText(nBytes, UTF16BOM)",
"doc": "nBytes bytes UTF16 string, default big-endian and accepts BOM"
},
{"name": "16LE", "args": "nBytes", "params": "nBytes int", "call": "d.tryText(nBytes, UTF16LE)", "doc": "nBytes bytes UTF16 little-endian string"},
{"name": "16BE", "args": "nBytes", "params": "nBytes int", "call": "d.tryText(nBytes, UTF16BE)", "doc": "nBytes bytes UTF16 big-endian string"}
]
},
{
"name": "UTF8ShortString",
"type": "Str",
"variants": [
{"name": "", "args": "", "params": "", "call": "d.tryTextLenPrefixed(8, -1, UTF8BOM)", "doc": "one byte length fixed UTF8 string"},
{
"name": "FixedLen",
"args": "fixedBytes",
"params": "fixedBytes int",
"call": "d.tryTextLenPrefixed(8, fixedBytes, UTF8BOM)",
"doc": "fixedBytes bytes long one byte length prefixed UTF8 string"
}
]
},
{
"name": "UTF8Null",
"type": "Str",
"variants": [ {"name": "", "args": "", "params": "", "call": "d.tryTextNull(1, UTF8BOM)", "doc": "null terminated UTF8 string"} ]
},
{
"name": "UTF8NullFixedLen",
"type": "Str",
"variants": [
{
"name": "",
"args": "fixedBytes",
"params": "fixedBytes int",
"call": "d.tryTextNullLen(fixedBytes, UTF8BOM)",
"doc": "fixedBytes bytes long null terminated UTF8 string"
}
]
}
]
}
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