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From: Juri Linkov <juri@jurta.org>
To: Thien-Thi Nguyen <ttn@gnuvola.org>
Cc: Drew Adams <drew.adams@oracle.com>, emacs-devel@gnu.org
Subject: Re: breadcrumbs for Info . . . . . .
Date: Sun, 15 Jun 2008 21:19:43 +0300	[thread overview]
Message-ID: <87iqwatxj4.fsf@jurta.org> (raw)
In-Reply-To: <87prqlaz3p.fsf@ambire.localdomain> (Thien-Thi Nguyen's message of "Fri, 13 Jun 2008 21:55:54 +0200")

>    Even if the "cache" consisted only of a set of node+parent pairs
>    (regardless of the order among pairs), that would be sufficient.
>
> A slight twist on that data structure will give us a "reverse trie",
> which is a set of elements (NODE PARENT PARENT^2...), with elements'
> tails sharing storage (i.e, being other elements of the set).

This is too complex structure for shallow short trees of Info manuals.
Now the cache has the structure (NODE PARENT CHILDREN) that allows
optimal navigating the tree in both directions: bottom-up to build the
breadcrumbs, and top-down to build the TOC node.

-- 
Juri Linkov
http://www.jurta.org/emacs/




  parent reply	other threads:[~2008-06-15 18:19 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-10 23:52 breadcrumbs for Info . . . . . Drew Adams
2008-06-11  0:04 ` Juri Linkov
2008-06-11  3:18   ` Drew Adams
2008-06-11  9:34     ` Juri Linkov
2008-06-11 13:46       ` Drew Adams
2008-06-11 18:59         ` Eli Zaretskii
2008-06-11 22:40         ` Juri Linkov
2008-06-12  2:01           ` Miles Bader
2008-06-12 22:42           ` Drew Adams
2008-06-13  3:27             ` Stefan Monnier
2008-06-13  6:34               ` Drew Adams
2008-06-13  8:43                 ` Thien-Thi Nguyen
2008-06-13 13:55                   ` Drew Adams
2008-06-13 17:17                     ` Thien-Thi Nguyen
2008-06-13 17:52                       ` Drew Adams
2008-06-13 19:55                         ` Thien-Thi Nguyen
2008-06-13 20:10                           ` Drew Adams
2008-06-15 18:19                           ` Juri Linkov [this message]
2008-06-13 14:05                   ` Stefan Monnier
2008-06-13 15:12                     ` Drew Adams
2008-06-13 17:16                       ` Stefan Monnier
2008-06-13 18:32                     ` Thien-Thi Nguyen
2008-06-14  9:47                       ` Eli Zaretskii
2008-06-14 10:01                         ` Thien-Thi Nguyen
2008-06-13 13:58                 ` Stefan Monnier
2008-06-13 15:11                   ` Drew Adams
2008-06-13 20:34                     ` Stefan Monnier
2008-06-13 22:11                       ` Drew Adams
2008-06-13 22:44                         ` Stefan Monnier
2008-06-14  9:45                           ` Drew Adams
2008-06-14 16:16                             ` Stefan Monnier
2008-06-14 17:24                               ` Drew Adams
2008-06-14 18:04                                 ` Stefan Monnier
2008-06-15  0:27                                 ` Juri Linkov
2008-06-15  7:33                                   ` Drew Adams
2008-06-15 18:23                                     ` Juri Linkov
2008-06-15 19:46                                       ` Drew Adams
2008-06-15  0:28                       ` Juri Linkov
2008-06-15  2:04                         ` Stefan Monnier
2008-06-15 18:18                           ` Juri Linkov
2008-06-15  7:55                         ` Drew Adams

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