Date: Mon, 28 Jul 2014 23:29:00 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Jos Backus <jos@catnook.com> Cc: "freebsd-arch@freebsd.org" <arch@freebsd.org>, Jordan Hubbard <jkh@mail.turbofuzz.com> Subject: Re: XML Output: libxo - provide single API to output TXT, XML, JSON and HTML Message-ID: <CAJ-VmomsrCoAYdfNwRGp42KA_AVitQ5U254kaYNZsQ7aWvu4VQ@mail.gmail.com> In-Reply-To: <CAETOPp3zkpp4PY-CeA4Ei=r7_tw1S6rVYiniU%2BZxQF3PESVAxA@mail.gmail.com> References: <20140725044921.9F0D3580A2@chaos.jnpr.net> <CAETOPp13H7kyLy-1VJRDOsDbOh8A1MWZDxw1xHUBsxTRtMfc7g@mail.gmail.com> <20140728054217.AC1A0580A2@chaos.jnpr.net> <20140728055336.GJ50802@ivaldir.etoilebsd.net> <CAETOPp3hJB8Gj%2BPMj3N951krnNqCYiAOY-cPHxMCBy1CQXWJaQ@mail.gmail.com> <A1E63A7A-BB38-4CC3-B5EC-B251BE990572@mail.turbofuzz.com> <CAETOPp0c1xfMj1vDvQRSoV3ec-LdJmyT9AFH02iziN0yuY1D-A@mail.gmail.com> <CAJ-VmomiwUWHWYLdLcQAnp7QBmvQR2wfPoCy=eie-jrvyw0HfA@mail.gmail.com> <CAETOPp3zkpp4PY-CeA4Ei=r7_tw1S6rVYiniU%2BZxQF3PESVAxA@mail.gmail.com>
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On 28 July 2014 23:03, Jos Backus <jos@catnook.com> wrote: > > On Jul 28, 2014 10:57 PM, "Adrian Chadd" <adrian@freebsd.org> wrote: >> >> Holy ... ! >> >> What really matter is whether the library API that you're going to >> shoehorn into plenty of utilities is expressive enough to express a >> whole bunch of different output types. >> >> So it doesn't matter if you want JSON, or YAML, or XML, or the native >> tool output. The trick is whether the library API is good enough. >> >> So if you want to win people over, just make sure it gets adopted >> throughout other tools. :) > > Wouldn't the API be a way to build up an in-memory combination of lists and > maps in most cases, which then gets serialized out at emission time? Kind of > like calling object.to_yaml, where object is a Hash, but in C? > Not everything can be buffered like that over time. Time series data may have stuff buffered up during an output / sample period (eg the one a second output from vmstat 1) -a
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