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fq/pkg/decode/types.json
Mattias Wadman 326dada7ca decode: Add LEB128 readers
2022-08-20 12:05:44 +02:00

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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.ReaderAtSeeker", "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": "$n", "range": [1, 65], "args": "", "params": "", "call": "d.tryUEndian($n, d.Endian)", "doc": "$n bit unsigned integer in current endian" },
{ "name": "$nLE", "range": [8, 65], "args": "", "params": "", "call": "d.tryUEndian($n, LittleEndian)", "doc": "$n bit unsigned integer in little-endian" },
{ "name": "$nBE", "range": [8, 65], "args": "", "params": "", "call": "d.tryUEndian($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, 65], "args": "", "params": "", "call": "d.trySEndian($n, d.Endian)", "doc": "$n bit signed integer in current endian" },
{ "name": "$nLE", "range": [8, 65], "args": "", "params": "", "call": "d.trySEndian($n, LittleEndian)", "doc": "$n bit signed integer in little-endian" },
{ "name": "$nBE", "range": [8, 65], "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"} ]
},
{
"name": "ULEB128",
"type": "U",
"variants": [ {"name": "", "args": "", "params": "", "call": "d.tryULEB128()", "doc": "unsigned LEB128 integer"} ]
},
{
"name": "SLEB128",
"type": "S",
"variants": [ {"name": "", "args": "", "params": "", "call": "d.trySLEB128()", "doc": "signed LEB128 integer"} ]
},
{
"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": "UTF",
"type": "Str",
"variants": [
{"name": "8Null", "args": "", "params": "", "call": "d.tryTextNull(1, UTF8BOM)", "doc": "null terminated UTF8 string"},
{"name": "16Null", "args": "", "params": "", "call": "d.tryTextNull(2, UTF16BOM)", "doc": "null terminated UTF16 string, default big-endian and accepts BOM"},
{"name": "16LENull", "args": "", "params": "", "call": "d.tryTextNull(2, UTF16LE)", "doc": "null terminated UTF16LE string"},
{"name": "16BENull", "args": "", "params": "", "call": "d.tryTextNull(2, UTF16BE)", "doc": "null terminated UTF16BE 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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