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Re: Ev2 and text deltas

From: Hyrum K Wright <hyrum.wright_at_wandisco.com>
Date: Fri, 2 Sep 2011 16:31:51 -0500

On Fri, Sep 2, 2011 at 4:17 PM, Greg Stein <gstein_at_gmail.com> wrote:
> On Thu, Sep 1, 2011 at 17:17, Stefan Sperling <stsp_at_elego.de> wrote:
>> On Thu, Sep 01, 2011 at 01:49:18PM -0500, Hyrum K Wright wrote:
>>> Quick question: is there a method via Ev2 to set text deltas?  I see
>>> svn_editor_set_text(), but that appears to just apply full texts to
>>> the target (via the given stream), rather than text deltas.  This
>>> seems odd.  Why wouldn't we use text deltas instead of a simple
>>> stream?
>>> Also, after reading the docs in svn_editor.h, it feels like all text
>>> contents are sent in 'postfix' mode.  In other words, in Ev1, we have
>>> the following sequence of calls:
>>>  open_file()
>>>  close_file()
>>>  ...
>>>  apply_textdelta()
>>> Whereas in Ev2 we have:
>>>  add_file()
>>>  ...
>>>  set_text()
>>> Just trying a bit harder to grok Ev2,
>> Some past discussion of this starts here:
>> http://svn.haxx.se/dev/archive-2009-09/0295.shtml
> Hyrum -- was your question answered? In particular, my thoughts around
> using set_text() rather than deltas is best explained by this message
> in the thread Stefen referenced:
>  http://svn.haxx.se/dev/archive-2009-09/0307.shtml
> Let me know if there is more that I can help with.

Yes, that thread was quite illuminating. I'm just doing some poking
of Ev2, attempting to see how much more of it I can grok.


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Received on 2011-09-02 23:32:20 CEST

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