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https://github.com/wader/fq.git
synced 2024-11-30 18:08:16 +03:00
cae288e6be
json, yaml, toml, xml, html, csv are now normal formats and most of them also particiate in probing (not html and csv). Also fixes a bunch of bugs in to/fromxml, to/fromjq etc.
97 lines
2.5 KiB
Plaintext
97 lines
2.5 KiB
Plaintext
# to jq-flavoured json
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def _tojq($opts):
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def _is_ident: test("^[a-zA-Z_][a-zA-Z_0-9]*$");
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def _key: if _is_ident | not then tojson end;
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def _f($opts; $indent):
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def _r($prefix):
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( type as $t
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| if $t == "null" then tojson
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elif $t == "string" then tojson
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elif $t == "number" then tojson
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elif $t == "boolean" then tojson
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elif $t == "array" then
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if length == 0 then "[]"
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else
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[ "[", $opts.compound_newline
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, ( [ .[]
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| $prefix, $indent
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, _r($prefix+$indent), $opts.array_sep
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]
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| .[0:-1]
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)
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, $opts.compound_newline
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, $prefix, "]"
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]
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end
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elif $t == "object" then
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if length == 0 then "{}"
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else
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[ "{", $opts.compound_newline
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, ( [ to_entries[]
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| $prefix, $indent
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, (.key | _key), $opts.key_sep
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, (.value | _r($prefix+$indent)), $opts.object_sep
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]
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| .[0:-1]
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)
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, $opts.compound_newline
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, $prefix, "}"
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]
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end
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else error("unknown type \($t)")
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end
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);
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_r("");
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( _f($opts; $opts.indent * " ")
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| if _is_array then flatten | join("") end
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);
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def tojq($opts):
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_tojq(
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( { indent: 0,
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key_sep: ":",
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object_sep: ",",
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array_sep: ",",
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compound_newline: "",
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} + $opts
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| if .indent > 0 then
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( .key_sep = ": "
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| .object_sep = ",\n"
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| .array_sep = ",\n"
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| .compound_newline = "\n"
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)
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end
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)
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);
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def tojq: tojq(null);
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# from jq-flavoured json
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def fromjq:
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def _f:
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( . as $v
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| .term.type
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| if . == "TermTypeNull" then null
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elif . == "TermTypeTrue" then true
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elif . == "TermTypeFalse" then false
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elif . == "TermTypeString" then $v.term.str.str
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elif . == "TermTypeNumber" then $v.term.number | tonumber
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elif . == "TermTypeObject" then
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( $v.term.object.key_vals // []
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| map(
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{ key: (.key // .key_string.str),
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value: (.val.queries[0] | _f)
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}
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)
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| from_entries
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)
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elif . == "TermTypeArray" then
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( def _a: if .op then .left, .right | _a end;
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[$v.term.array.query // empty | _a | _f]
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)
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else error("unknown term")
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end
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);
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try
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(_query_fromstring | _f)
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catch
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error("fromjq only supports constant literals");
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