Re: Unicode text Direction Detection

From: Behdad Esfahbod <behdad cs toronto edu>
To: Gaurav Jain <gaurav anywhere gmail com>
Cc: gtk-app-devel-list gnome org, Matthias Clasen <mclasen redhat com>, gtk-i18n-list gnome org
Subject: Re: Unicode text Direction Detection
Date: Wed, 17 Aug 2005 09:29:46 -0400 (EDT)

On Wed, 17 Aug 2005, Gaurav Jain wrote:

> Could you give me some tips on how to go about implementing a "naive"
> version of such an algorithm?  Suppose I have a unicode character,
> what's the simplest way to know if it is a LTR directional character
> or a RTL directional character?


Here it is, using what's available in Glib:

  - If it's U+200E, LTR.
  - If it's U+200F, LTR.
  - If it's NOT of general category G_UNICODE_*_LETTER, ignore it.
  - If it's in the range U+0590..U+08FF, RTL.
  - Otherwise, LTR.


--behdad
http://behdad.org/

References:
- Unicode text Direction Detection
  - From: Gaurav Jain
- Re: Unicode text Direction Detection
  - From: Matthias Clasen
- Re: Unicode text Direction Detection
  - From: Gaurav Jain

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