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File jtc.changes of Package jtc

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Wed May 20 16:43:13 UTC 2020 - Dan Čermák <dcermak@suse.com>

- New upstream release 1.76a

New features and enhancements:

when multiple files given, jtc now will read/parse all files concurrently (on multi-core cpu); to disable multithreading (and process files sequentially) give option -a (normally, the option is implied and redundant when multiple files given)
    a new lexeme directive <..>S - complements directive <..>W: walks JSON tree as per the preserved path
    when file argument for options -i/-u/-c contains a stream of JSONs, it's automatically converted into an array of JSONs
    template operations enhancements:
        an argument for options -i/-u/-c now additionally can hold a template (e.g.: -u0 -T<template> now could be collapsed into -u<template>)
        regex search lexemes (<..>R, <..>L, <..>D) now are subjected to template interpolation as well, though namespace usage in such lexemes is limited to alphabetical names only ('cause numeric names would clash with regex quantifiers) - template interpolation obviously occurs before regex applied
        auto-generated label tokens for template interpolation ($A, $B, etc) now also hold indices if the respected values are in array (it used to work only for objects)
        walked atomic values now also can be represented in templates using auto-generated tokens ($A and $a for a label/index and a value respectively) for easier template-interpolation operations
        setting namespace $? to any value (even empty one) in a walk triggers resetting of the respective auto-token $? (which holds historical values) to the default value "" (it's a user-controlled way to reset the token, in addition to the existing trigger - template interpolation failure)
        when string-interpolating an iterable (array or object) via "{}" token, all atomic values within the iterable get interpolated into the string recursively
        improved template stringification (>{{}}<) - operation now is consistent across all JSON types (null / bool / numeric used to behave differently)
        limited usage of auto-generated tokens (e.g.: $abc) to 3 letters only (to avoid clashing with tokens like $file and all future tokens) - the use case for auto-generated token is template-interpolation for relatively short arrays / objects, thus 3 letters is sufficient to address iterables up to 18278 values in size)
        extended range of auto-tokens representation in iterables ($a, $b, etc): initially each token represents a a respective top level JSON element of the iterable, beyond that range each next auto-token will represent an atomic value of the JSON tree as if it walked recursively

Improvements, changes, fixes:

behavior improvements:
        redesigned and improved processing of options chain-sets logic: lifted a caveat of using -J/-j/-a in intermediate chain-sets (now it works inline with the expected option behavior in any of the option sets)
        when unquoting strings with -qq a translation of UTF-8 code points (e.g.: \uD123), as well as correct processing of UTF-8 surrogate pairs added
        improved label update operations: now also any atomic value (null / boolean / numeric) can update a label (before labels could be updated only with string types)
        improved namespace behavior for -p/-s operations (now namespaces from the respective walks are not lost in such operations and could be reused later)

performance improvements:
        redesigned and improved namespaces storage policy so that it does not slow down walks (used to be the case, noticeable when storing big JSONs)
        optimized performance for -e with -i/-u shell executions, where all such walks are attempted to be executed in a single run (popen session), otherwise defaulted to a legacy (slower) way (to enforce the legacy way give -ee)

code design improvements:
        added compile options:
            -DBG_dTS (effective only in junction with -DBG_mTS or -DBG_uTS) - debug timestamp display delta instead of absolute stamps (handy for cpu profiling)
            -DNDBG_PARSER: disables parsing debugs - handy when deep debugging huge JSONs (to skip the parsing part)
        speed up template interpolations (by breaking away from catching JSON parsing exceptions towards processing parsing by return value)
        improved performance when outputting walked elements (-w)
        improved debug outputs when displaying JSONs longer than the term width (the same update ensures correct displaying of UTF-8 strings)

various fixes:
        fixed locality of <>q, <>Q searches: it accidentally became global after last redesign of lexeme implementation, now it's local to the search tree (UT'ed)
        fixed accidentally broken options translation in the built-in mini-guide (-g)
        fixed a rogue debug level when debugging -e option
        fixed a very corner crash occurring upon -u/-i based source walks predicated -pp option usage and only when resulted walks gets invalidated by any of the prior walks (UT'ed of course)
        fixed an issue when last walk control (-x0 or -x/-1) worked in the first JSON but did not work in any subsequent -if there were multiple (UT'ed)

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Tue Jan 21 08:34:29 UTC 2020 - Dan Čermák <dcermak@suse.com>

- New upstream release 1.75d

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Mon Jan 20 18:58:57 UTC 2020 - Dan Čermák <dcermak@suse.com>

- Add copyright

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Mon Jan 20 18:42:15 UTC 2020 - Dan Čermák <dcermak@suse.com>

- BuildRequire at least gcc 5 for C++14 support

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Mon Jan 20 11:29:53 UTC 2020 - Dan Čermák <dcermak@suse.com>

- Install Release notes too

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Mon Jan  6 13:23:30 UTC 2020 - Dan Čermák <dcermak@suse.com>

- Initial package version

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