[Users] pseudo-variables in textops (Was: Re: [Devel] unified pseudo-variables in avpops and xlog) - sr-users

28 Jun 2005

Hello,

the textops module has now support for pseudo-variables in subst(), 
subst_uri() and subst_user(). You can use any of the pseudo-variables 
that OpenSER supports (http://openser.org/docs/pseudo-variables.html) in 
the replacement part of the parameter given to subst*() -- the parameter 
for these functions has the following format 
"/regular_expression/replacement/flags". For more info, see the readme file:

http://www.openser.org/docs/modules/0.10.x/textops.html

Should be analyzed if worth to implement pseudo-variables support to 
regular_expression part because it will slow down a lot the processing 
since the regexp has to be compiled each time.

Daniel

On 06/24/05 01:11, Miguel Angel Villar wrote:

...
 Hi Daniel
	This is a really nice feature. I had been looking for something like
this in the textops module. Implementing pseudo-variables in subst_uri() and
subst() functions will give power tools for doing dynamic number/domain
translation of URI. Conbined with avpops module the transformation can be
based on external database, Great!

Regards.
MaV.-

 Hello,

the avpops and xlog module are using now same format for specifiers to 
print formatted strings. avpops has a new function avp_printf(dest, 
format) which stores in the AVP 'dest' the string resulted after 
substitution of the specifiers from "format" parameter.

The old marker for specifiers '%' has been replaced by '$' which is more 
common for variables. To specify a header or an AVP you have to use now 
$hdr(header_name[index]) or $avp(avp_id[index]). The list with all 
available pseudo-variables in OpenSER is posted at:
http://openser.org/docs/pseudo-variables.html

avp_printf() allow to compose a value from many parts of a SIP message, 
other avps and many other values taken from system. For example:
avp_printf("i:20", "the time is $Tf, the request is a $rm and has the 

from header $hdr(from)");   

 The documentation for avpops and xlog module has
been updated on CVS, 
too. Note that these features are available only on CVS head 
(development version - http://openser.org/index.php#download).
Online documentation site for modules (http://openser.org/docs/) has 
been split in 0.9x (stable) and 0.10.x (devel) directories.

Follows the integration of same format for pseudo-variables in textops, 
acc and tm. We will appreciate any feedback.

Daniel

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