[Geany-devel] Indentation using regex (was [PATCH 14/19] Rewrite tab switching queue)

Lex Trotman elextr at xxxxx
Thu Sep 16 23:23:29 UTC 2010


On 17 September 2010 06:17, Jiří Techet <techet at gmail.com> wrote:
> On Thu, Sep 16, 2010 at 19:27, Thomas Martitz
> <thomas.martitz at student.htw-berlin.de> wrote:
>>  On 16.09.2010 02:23, Lex Trotman wrote:
>>>
>>> Hi Jiri,
>>>
>>> I couldn't get this to work at all, it printed "calling indent this
>>> line" all the time but didn't indent :-(
>>>
>>> I only had half an hour so I couldn't investigate much.
>>>
>>
>> I have the same experience. Auto-indentation doesn't seem to work anymore
>> (e.g. when hitting enter after on a line that ends with {, or when typing
>> }).
>
> I have just re-tested it again and it works on my machine (I have
> forgotten one trace in the code - that's what you see in the console).
> A quick question: have you read the commit log?
>
>    This patch makes it possible to specify several regex patterns for every
>    filetype which determine under what condition the indentation is performed.
>    The pattern variables are specified under the [settings] section of the
>    given filetype and their value is the regex to be used. The variables are
>    as follows:
>
>    * indent_this_line_regex - the match is performed after every keystroke
>      and if the regex matches, the indentation is performed on the current
>      line
>    * indent_next_line_regex - the match is performed only when enter is
>      pressed. The indentation is applied on the next line
>    * unindent_this_line_regex - like indent_this_line_regex but
> unindents instead
>    * unindent_next_line_regex - like indent_next_line_regex but indents instead
>
>    Comments and strings are detected from the lexer so these can be ignored
>    inside the patterns. For instance these are very basic rules for GNU
>    indent style:
>
>    indent_next_line_regex=^.*\\{[[:blank:]]*$
>    unindent_this_line_regex=^[[:blank:]]*\\}$
>    indent_this_line_regex=^[[:blank:]]+\\{$
>    unindent_next_line_regex=^[[:blank:]]*\\}[[:blank:]]*$

Yes, I read the instructions (rare I admit) and I copied these regexen.

I'll see if I get time to look at it some more today or tomorrow.

Note that unless you are going to add the regexes to all filetypes
then Geany still needs to behave as it currently does when there is no
filetype regex(es).

Cheers
Lex

>
>    By commenting-out the last two lines you get ANSI indentation style.
>    If you replace \\{ and \\} with begin and end, respectively, you
>    get analogous rules for pascal. Notice the double-escaping of { and } -
>    the first escape sequence is for the keyfile ini format (so for the
>    regex itself \\ becomes \).
>
> This means that in order to make it work e.g. for C, you have to edit
>
> ~/.config/geany/filedefs/filetypes.c
>
> (or the corresponding file under /usr/local/share/geany) and add
>
> indent_next_line_regex=^.*\\{[[:blank:]]*$
> unindent_this_line_regex=^[[:blank:]]*\\}$
> indent_this_line_regex=^[[:blank:]]+\\{$
> unindent_next_line_regex=^[[:blank:]]*\\}[[:blank:]]*$
>
> under the [settings] section (+ restart geany). Please let me know if
> it works (but also in the opposite case ;-).
>
> Jiri
>
>>
>> Best regards.
>> _______________________________________________
>> Geany-devel mailing list
>> Geany-devel at uvena.de
>> http://lists.uvena.de/cgi-bin/mailman/listinfo/geany-devel
>>
> _______________________________________________
> Geany-devel mailing list
> Geany-devel at uvena.de
> http://lists.uvena.de/cgi-bin/mailman/listinfo/geany-devel
>



More information about the Devel mailing list