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Merge pull request #139 from wader/tofromradix-cleanup
interp: Refactor radix* into toradix($base)/fromradix($base)
This commit is contained in:
Mattias Wadman
GitHub
commit
ea829b15e7
@ -41,7 +41,8 @@ def urldecode:
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# ex: .frames | changes(.header.sample_rate)
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def changes(f): streaks_by(f)[].[0];
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def radix62sp: radix(62; "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; {
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def toradix62sp: toradix(62; "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
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def fromradix62sp: fromradix(62; {
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"0": 0, "1": 1, "2": 2, "3": 3,"4": 4, "5": 5, "6": 6, "7": 7, "8": 8, "9": 9,
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"a": 10, "b": 11, "c": 12, "d": 13, "e": 14, "f": 15, "g": 16,
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"h": 17, "i": 18, "j": 19, "k": 20, "l": 21, "m": 22, "n": 23,
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@ -202,22 +202,9 @@ def table(colmap; render):
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)
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end;
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# convert number to array of bytes
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def number_to_bytes($bits):
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def _number_to_bytes($d):
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if . > 0 then
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. % $d, (intdiv(.; $d) | _number_to_bytes($d))
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else
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empty
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end;
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if . == 0 then [0]
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else [_number_to_bytes(pow(2; $bits) | _to_int)] | reverse
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end;
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def number_to_bytes:
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number_to_bytes(8);
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def from_radix($base; $table):
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( split("")
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def fromradix($base; $table):
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( if type != "string" then error("cannot fromradix convert: \(.)") end
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| split("")
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| reverse
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| map($table[.])
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| if . == null then error("invalid char \(.)") end
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@ -229,9 +216,23 @@ def from_radix($base; $table):
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)
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| .[1]
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);
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def fromradix($base):
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fromradix($base; {
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"0": 0, "1": 1, "2": 2, "3": 3,"4": 4, "5": 5, "6": 6, "7": 7, "8": 8, "9": 9,
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"a": 10, "b": 11, "c": 12, "d": 13, "e": 14, "f": 15, "g": 16,
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"h": 17, "i": 18, "j": 19, "k": 20, "l": 21, "m": 22, "n": 23,
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"o": 24, "p": 25, "q": 26, "r": 27, "s": 28, "t": 29, "u": 30,
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"v": 31, "w": 32, "x": 33, "y": 34, "z": 35,
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"A": 36, "B": 37, "C": 38, "D": 39, "E": 40, "F": 41, "G": 42,
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"H": 43, "I": 44, "J": 45, "K": 46, "L": 47, "M": 48, "N": 49,
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"O": 50, "P": 51, "Q": 52, "R": 53, "S": 54, "T": 55, "U": 56,
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"V": 57, "W": 58, "X": 59, "Y": 60, "Z": 61,
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"@": 62, "_": 63,
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});
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def to_radix($base; $table):
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if . == 0 then "0"
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def toradix($base; $table):
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( if type != "number" then error("cannot toradix convert: \(.)") end
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| if . == 0 then "0"
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else
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( [ recurse(if . > 0 then intdiv(.; $base) else empty end) | . % $base]
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| reverse
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@ -242,62 +243,18 @@ def to_radix($base; $table):
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error("base too large")
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end
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)
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end;
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def radix($base; $to_table; $from_table):
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if . | type == "number" then to_radix($base; $to_table)
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elif . | type == "string" then from_radix($base; $from_table)
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else error("needs to be number or string")
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end;
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def radix2: radix(2; "01"; {"0": 0, "1": 1});
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def radix8: radix(8; "01234567"; {"0": 0, "1": 1, "2": 2, "3": 3,"4": 4, "5": 5, "6": 6, "7": 7});
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def radix16: radix(16; "0123456789abcdef"; {
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"0": 0, "1": 1, "2": 2, "3": 3,"4": 4, "5": 5, "6": 6, "7": 7, "8": 8, "9": 9,
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"a": 10, "b": 11, "c": 12, "d": 13, "e": 14, "f": 15
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});
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def radix62: radix(62; "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; {
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"0": 0, "1": 1, "2": 2, "3": 3,"4": 4, "5": 5, "6": 6, "7": 7, "8": 8, "9": 9,
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"A": 10, "B": 11, "C": 12, "D": 13, "E": 14, "F": 15, "G": 16,
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"H": 17, "I": 18, "J": 19, "K": 20, "L": 21, "M": 22, "N": 23,
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"O": 24, "P": 25, "Q": 26, "R": 27, "S": 28, "T": 29, "U": 30,
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"V": 31, "W": 32, "X": 33, "Y": 34, "Z": 35,
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"a": 36, "b": 37, "c": 38, "d": 39, "e": 40, "f": 41, "g": 42,
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"h": 43, "i": 44, "j": 45, "k": 46, "l": 47, "m": 48, "n": 49,
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"o": 50, "p": 51, "q": 52, "r": 53, "s": 54, "t": 55, "u": 56,
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"v": 57, "w": 58, "x": 59, "y": 60, "z": 61
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});
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def radix62: radix(62; "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; {
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"A": 0, "B": 1, "C": 2, "D": 3, "E": 4, "F": 5, "G": 6,
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"H": 7, "I": 8, "J": 9, "K": 10, "L": 11, "M": 12, "N": 13,
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"O": 14, "P": 15, "Q": 16, "R": 17, "S": 18, "T": 19, "U": 20,
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"V": 21, "W": 22, "X": 23, "Y": 24, "Z": 25,
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"a": 26, "b": 27, "c": 28, "d": 29, "e": 30, "f": 31, "g": 32,
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"h": 33, "i": 34, "j": 35, "k": 36, "l": 37, "m": 38, "n": 39,
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"o": 40, "p": 41, "q": 42, "r": 43, "s": 44, "t": 45, "u": 46,
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"v": 47, "w": 48, "x": 49, "y": 50, "z": 51,
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"0": 52, "1": 53, "2": 54, "3": 55, "4": 56, "5": 57, "6": 58, "7": 59, "8": 60, "9": 61
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});
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def radix64: radix(64; "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; {
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"A": 0, "B": 1, "C": 2, "D": 3, "E": 4, "F": 5, "G": 6,
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"H": 7, "I": 8, "J": 9, "K": 10, "L": 11, "M": 12, "N": 13,
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"O": 14, "P": 15, "Q": 16, "R": 17, "S": 18, "T": 19, "U": 20,
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"V": 21, "W": 22, "X": 23, "Y": 24, "Z": 25,
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"a": 26, "b": 27, "c": 28, "d": 29, "e": 30, "f": 31, "g": 32,
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"h": 33, "i": 34, "j": 35, "k": 36, "l": 37, "m": 38, "n": 39,
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"o": 40, "p": 41, "q": 42, "r": 43, "s": 44, "t": 45, "u": 46,
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"v": 47, "w": 48, "x": 49, "y": 50, "z": 51,
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"0": 52, "1": 53, "2": 54, "3": 55, "4": 56, "5": 57, "6": 58, "7": 59, "8": 60, "9": 61,
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"+": 62, "/": 63
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});
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end
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);
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def toradix($base):
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toradix($base; "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ@_");
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# TODO: rename keys and add more, ascii/utf8/utf16/codepoint name?, le/be, signed/unsigned?
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def iprint:
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{
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bin: "0b\(radix2)",
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oct: "0o\(radix8)",
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bin: "0b\(toradix(2))",
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oct: "0o\(toradix(8))",
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dec: "\(.)",
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hex: "0x\(radix16)",
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hex: "0x\(toradix(16))",
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str: (try ([.] | implode) catch null),
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};
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@ -45,33 +45,4 @@ include "funcs";
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["1234", 2, ["12","34"]],
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["1234", 3, ["123","4"]]
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][] | . as $t | assert("\($t[0]) | chunk(\($t[1]))"; $t[2]; $t[0] | chunk($t[1])))
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,
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([
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# 0xfffffffffffffffffffffffffffffffffffffffffffff
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[1532495540865888858358347027150309183618739122183602175, 8, [
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15,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255,
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255
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]]
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][] | . as $t | assert("\($t[0]) | number_to_bytes(\($t[1]))"; $t[2]; $t[0] | number_to_bytes($t[1])))
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)
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21
pkg/interp/testdata/funcs.fqtest
vendored
21
pkg/interp/testdata/funcs.fqtest
vendored
@ -5,4 +5,25 @@ null> "abc" | topem | "before" + . + "between" + . + "after" | frompem | tostrin
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"abc"
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"abc"
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null>
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null> (0,1,1024,99999999999999999999) as $n | (2,8,16,62,64) as $r | "\($r): \($n) \($n | toradix($r)) \($n | toradix($r) | fromradix($r))" | println
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2: 0 0 0
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8: 0 0 0
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16: 0 0 0
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62: 0 0 0
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64: 0 0 0
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2: 1 1 1
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8: 1 1 1
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16: 1 1 1
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62: 1 1 1
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64: 1 1 1
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2: 1024 10000000000 1024
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8: 1024 2000 1024
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16: 1024 400 1024
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62: 1024 gw 1024
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64: 1024 g0 1024
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2: 99999999999999999999 1010110101111000111010111100010110101100011000011111111111111111111 99999999999999999999
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8: 99999999999999999999 12657072742654303777777 99999999999999999999
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16: 99999999999999999999 56bc75e2d630fffff 99999999999999999999
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62: 99999999999999999999 1V973MbJYWoT 99999999999999999999
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64: 99999999999999999999 1mL7nyRz3___ 99999999999999999999
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null> ^D
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