[PD] re: state saving

[Thomas Grill]

Hey, i'm surprised, does XML loading actually work? I'm going to look into
it.....

greetings,
Thomas

----- Original Message ----- 
From: "Frank Barknecht" <fbar at footils.org>
To: <pd-list at iem.at>
Sent: Friday, November 28, 2003 10:05 PM
Subject: Re: [PD] re: state saving


> Hallo,
> Josh Steiner hat gesagt: // Josh Steiner wrote:
>
> > incidentally i am also pretty deep in the process of building a modular
> > sequencer that saves the state of all the objects in a song using
> > [maphash] which suffers from the same "saves the textfile releatve to
> > the pd dir, not the patch dir" problem.  how can you share a little more
> > detail on how your solved this issue?  also, what advantages does the
> > [pool] object have over [maphash]?
>
> I never used maphash, so I can't be to deep about that, but some of
> the cool pool features are:
>
>  * shared storage pool possible: just give a name as first argument,
>    and all pool's with the same name share all data and actions. With
>    this the state-file location in the filesystem becomes rather
>    irrelevant, because loading just one file with the full path is no
>    PITA anymore.
>
>  * saves and loads xml data, too.
>
>  * Hierarchical data structure.
>
> Pool hierarchies in XML look like this (indentation by me):
>
>   <?xml version="1.0" encoding="ISO-8859-1"?>
>   <!DOCTYPE pool SYSTEM "pool.dtd">
>   <pool>
> <value key="1">60</value>
> <value key="2">51</value>
> <dir key="bla">
>   <value key="2">66</value>
>   <value key="1">44</value>
> </dir>
> <dir key="check">
>   <value key="2">69</value>
>   <value key="1">41</value>
> </dir>
> <dir key="bass">
>   <value key="2">8</value>
>   <value key="1">96</value>
> </dir>
> </dir>
> <dir key="1">
>   <value key="a_symbol">0</value>
>   <value key="b_symbol">89</value>
>   <dir key="subfolder">
>      <value key="subkey">with a list inside</value>
>   </dir>
> </dir>
>   </pool>
>
> Maybe there's even more inside...
>
> ciao
> -- 
>  Frank Barknecht                               _ ______footils.org__
>
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