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https://github.com/wader/fq.git
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1ddea1ada3
Move registry to interp and add support for functions and filesystems. This will be used later for allow formats to add own functions and fq code. Add gojqextra function helpers to have more comfortable API to add functions. Takes care of argument type casting and JQValue:s and some more things. Refactor interp package to use new function helper and registry. Probably fixes a bunch of JQValue bugs and other type errors. Refactor out some mpeg nal things to mpeg format. Refactor interp jq code into display.q and init.jq. Remove undocumented aes_ctr funciton, was a test. Hopefully will add more crypto things laster.
97 lines
3.5 KiB
Plaintext
97 lines
3.5 KiB
Plaintext
def tobits: _tobits({unit: 1, keep_range: false, pad_to_units: 0});
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def tobytes: _tobits({unit: 8, keep_range: false, pad_to_units: 0});
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def tobitsrange: _tobits({unit: 1, keep_range: true, pad_to_units: 0});
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def tobytesrange: _tobits({unit: 8, keep_range: true, pad_to_units: 0});
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def tobits($pad): _tobits({unit: 1, keep_range: false, pad_to_units: $pad});
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def tobytes($pad): _tobits({unit: 8, keep_range: false, pad_to_units: $pad});
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# same as regexp.QuoteMeta
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def _re_quote_meta:
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gsub("(?<c>[\\.\\+\\*\\?\\(\\)\\|\\[\\]\\{\\}\\^\\$\\)])"; "\\\(.c)");
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# TODO:
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# maybe implode, join. but what would it mean?
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# "abc" | tobits | explode | implode would not work
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# helper for overloading regex/string functions to support binary
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def _binary_or_orig(bfn; fn):
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( _exttype as $exttype
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| if . == null or $exttype == "string" then fn
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elif $exttype == "binary" then bfn
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else
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( . as $s
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| try
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(tobytesrange | bfn)
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catch ($s | fn)
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)
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end
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);
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def _orig_explode: explode;
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def explode: _binary_or_orig([.[range(.size)]]; _orig_explode);
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def _orig_splits($val): splits($val);
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def _orig_splits($regex; $flags): splits($regex; $flags);
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def _splits_binary($regex; $flags):
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( . as $b
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# last null output is to do a last iteration that output from end of last match to end of binary
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| foreach (_match_binary($regex; $flags), null) as $m (
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{prev: null, curr: null};
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( .prev = .curr
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| .curr = $m
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);
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if .prev == null then $b[0:.curr.offset]
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elif .curr == null then $b[.prev.offset+.prev.length:]
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else $b[.prev.offset+.prev.length:.curr.offset+.curr.length]
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end
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)
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);
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def splits($val): _binary_or_orig(_splits_binary($val; "g"); _orig_splits($val));
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def splits($regex; $flags): _binary_or_orig(_splits_binary($regex; "g"+$flags); _orig_splits($regex; $flags));
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def _orig_split($val): split($val);
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def _orig_split($regex; $flags): split($regex; $flags);
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# split/1 splits on string not regexp
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def split($val): [splits($val | _re_quote_meta)];
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def split($regex; $flags): [splits($regex; $flags)];
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def _orig_test($val): test($val);
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def _orig_test($regex; $flags): test($regex; $flags);
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def _test_binary($regex; $flags):
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( isempty(_match_binary($regex; $flags))
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| not
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);
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def test($val): _binary_or_orig(_test_binary($val; ""); _orig_test($val));
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def test($regex; $flags): _binary_or_orig(_test_binary($regex; $flags); _orig_test($regex; $flags));
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def _orig_match($val): match($val);
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def _orig_match($regex; $flags): match($regex; $flags);
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def match($val): _binary_or_orig(_match_binary($val; ""); _orig_match($val));
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def match($regex; $flags): _binary_or_orig(_match_binary($regex; $flags); _orig_match($regex; $flags));
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def _orig_capture($val): capture($val);
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def _orig_capture($regex; $flags): capture($regex; $flags);
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def _capture_binary($regex; $flags):
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( . as $b
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| _match_binary($regex; $flags)
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| .captures
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| map(
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( select(.name)
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| {key: .name, value: .string}
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)
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)
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| from_entries
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);
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def capture($val): _binary_or_orig(_capture_binary($val; ""); _orig_capture($val));
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def capture($regex; $flags): _binary_or_orig(_capture_binary($regex; $flags); _orig_capture($regex; $flags));
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def _orig_scan($val): scan($val);
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def _orig_scan($regex; $flags): scan($regex; $flags);
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def _scan_binary($regex; $flags):
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( . as $b
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| _match_binary($regex; $flags)
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| $b[.offset:.offset+.length]
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);
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def scan($val): _binary_or_orig(_scan_binary($val; "g"); _orig_scan($val));
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def scan($regex; $flags): _binary_or_orig(_scan_binary($regex; "g"+$flags); _orig_scan($regex; $flags));
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