Re: GUI work (was: Graphical help browser)

[Pedro L. Lucas]

2009/3/24, John W. Eaton <address@hidden>:
> On 23-Mar-2009, Pedro L. Lucas wrote:
>
> | Hi, I have written a xml interface for Octave. Then, you can insert
> | commands in xml format and results are returned in xml format. IDEs
> | can use this interface. Example: IDE can write:
> | <octave>
> | <command>2+2</command>
> | <ide>2+2</ide>
> | </octave>
> | the xml interface, then, returns:
> | <octave>
> | <command>ans = 4
> | </command>
> | <ide>ans = 4
> | </ide>
> | </octave>
> |
> | Using xml tags you can build several pipes for IDE commands.
> |
> | But I have next problem:
> |
> | I can not see plots. If you send: "<command>sombrero(20)</command>",
> | xml interface returns: "<command></command>".
> |
> | To execute commands, I'm using this function, from 'octave.cc':
>
> |       eval_string (code, false, parse_status, 0);
>
> We've discussed a number of times that eval_string is not the best way
> to handle a fully interactive Octave session because it can't handle
> partial commands.  Or has that changed in some way that I don't
> remember, so that eval_string can properly process things like
>
>   "if (some_condition)"
>   "  do_something ();"
>   "else"
>   "  do_something_else ();"
>   "endif"
>
> as a series of separate lines?
>
> jwe
>

Oh! Ok, eval_string can not read several-lines commands. I will try
another method.

Thanks.