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| Make an editor for a language dfsgm@tin.it (Davide Marino) (1999-02-27) |
| Re: Make an editor for a language dwight@pentasoft.com (1999-02-28) |
| Re: Make an editor for a language anton@mips.complang.tuwien.ac.at (1999-03-02) |
| Re: Make an editor for a language maratb@CS.Berkeley.EDU (Marat Boshernitsan) (1999-03-02) |
| Re: Make an editor for a language heinrich@idirect.com (Kenn Heinrich) (1999-03-02) |
| Re: Make an editor for a language dontspamger@informatik.uni-bremen.de (George Russell) (1999-03-04) |
| Re: Make an editor for a language mzraly@world.std.com (1999-03-04) |
| From: | mzraly@world.std.com (Michael S. Zraly) |
| Newsgroups: | comp.compilers |
| Date: | 4 Mar 1999 12:13:29 -0500 |
| Organization: | The World Public Access UNIX, Brookline, MA |
| References: | 99-02-130 99-03-005 |
| Keywords: | tools |
>> [In an editor] mantain in memory all the text in this form:
>>
>> - there is a double linked list with one element for each line of text
>> with a link to the line after and before.
>
>I tried that and failed. A much better representation in my
>experience is the plain character array with a hole at the cursor.
>AFAIK emacs uses this data structure; I have also seen it described in
>several places, but don't remember where.
This is called a gap buffer. You can ask about it on comp.editors, or
pick up a copy of Craig Finseth's "The Craft of Text Editing: Emacs for
the Modern World". It's available at Amazon for $65.95.
--
Mike Zraly
mzraly@world.std.com
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