Hello,
This project is interesting but it is also possible to do it only with PHP.
As a proof of concept, I would like to share some links with you. First
one:
http://hg.hoa-project.net/Central/file/tip/Library/Console/Readline/Readline.php,
which is highly hackable: we can add mappings (esc, ctrl, abc…), history
(when pressing key up and key down) and it works as an infinite
automaton based on the STATE_* constants. And thanks to PHP and its
static:: keyword, we can overload states, e.g.:
http://hg.hoa-project.net/Central/file/tip/Library/Console/Readline/Password.php.
Hop, password is hidden :-).
This library has some limitations: it does not support multibytes
(Unicode) and has an unlimited history (which can cause memory errors),
but it is a (advanced-)POC. It works on Unix-based system, actually
STTY-based shells, and has a pretty simple fallback for DOS. It does not
require PHP to be compiled --with-readline, it uses stty options
instead. And finally, it uses around 850 lines of codes (with comments +
licences).
Best regards :-).
On 04/08/12 21:50, Andrew Faulds wrote:
Well, I saw it, and I say for a ~600 line library, why not?
Heck, we could maybe reimplement the readline extension with it.
On 04/08/12 20:49, Ferenc Kovacs wrote:
Hi,
As most of you know, the current php interactive shell is pretty much
useless without compiling php --with-readline, but for the most users
this
the first impression what they experience (eg. using the php interactive
shell without readline support).
There is an alternative readline replacement called linenoise (
https://github.com/antirez/linenoise/) written by the author of
Redis, and
I would like to know, what do you think about using that for the
interactive shell if php is built without readline support.
It is really small/compact and it is under the two clause BSD license
so I
think it would be a good candidate for bundling it in php.
What do you think about it? Is it something worth looking into?
--
Ivan Enderlin
Developer of Hoa
http://hoa.42/ or http://hoa-project.net/
PhD. student at DISC/Femto-ST (Vesontio) and INRIA (Cassis)
http://disc.univ-fcomte.fr/ and http://www.inria.fr/
Member of HTML and WebApps Working Group of W3C
http://w3.org/
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