[Freeswitch-users] Problem with XML preprocessor variable

[Anthony Minessale]

yes it was a bug,
it has been fixed in r13385

please report future bugs to http://jira.freeswitch.org not the mailing
list.


On Tue, May 19, 2009 at 9:12 AM, Vladimir Klejch <
klejch+freeswitch at netbox.cz <klejch%2Bfreeswitch at netbox.cz>> wrote:

>
> Hi
>
> I think i found a bug on XML preprocessor in way of working with
> preprocessor varibles.
>
> I have problem with concatenation of preprocessor variables in XML config.
>
> Preprocessor is incorectly concatenatin two preprocessor variables, and
> building wrong config xml.
>
> Best to explain on example:
>
> in vars.xml:
>
>
>     <X-PRE-PROCESS cmd="set" data="bug_test_1=xpreprocessbug1" />
>     <X-PRE-PROCESS cmd="set" data="bug_test_2=xpreprocessbug2" />
>     <X-PRE-PROCESS cmd="set" data="bug_test_3=xpreprocessbug3" />
>     <X-PRE-PROCESS cmd="set" data="bug_test_4=xpreprocessbug4" />
>
>
>     <X-PRE-PROCESS cmd="set"
> data="bug_test_sum1=$${bug_test_1}$${bug_test_2}$${bug_test_3}$${bug_test_4}"
> />
>     <X-PRE-PROCESS cmd="set"
> data="bug_test_sum2=$${bug_test_1}^$${bug_test_2}^$${bug_test_3}^$${bug_test_4}"
> />
>
>
> then in dialplan:
>
>
>         <extension name="x_preprocess_bug1" continue="false" >
>                 <condition field="destination_number"
> expression="$${bug_test_sum1}" >
>                     <action application="info" />
>                 </condition>
>         </extension>
>
>         <extension name="x_preprocess_bug2" continue="false" >
>                 <condition field="destination_number"
> expression="$${bug_test_sum2}" >
>                     <action application="info" />
>                 </condition>
>         </extension>
>
>
>
>
> but in freeswitch.xml.fsxml:
>
>         <extension name="x_preprocess_bug1" continue="false" >
>                 <condition field="destination_number"
> expression="xpreprocessbug1$%{bug_test_2}xpreprocessbug3$%{bug_test_4}" >
>                     <action application="info" />
>                 </condition>
>         </extension>
>
>         <extension name="x_preprocess_bug2" continue="false" >
>                 <condition field="destination_number"
> expression="xpreprocessbug1^xpreprocessbug2^xpreprocessbug3^xpreprocessbug4"
> >
>                     <action application="info" />
>                 </condition>
>         </extension>
>
>
>
> The odd variables are wrong translated by preprocessor . The odd variable
> used as $${var} is translated corect to his content, but the even variable
> used as $${var} is mangled and in freeswitch.xml.fsxml is to seen %${var}
> form of prefious $${var}. This problem only ocur, if tvo variables are
> direcly concatenated w/o any char between them.
>
> config :
>
> <X-PRE-PROCESS cmd="set"
> data="bug_test_sum1=$${bug_test_1}$${bug_test_2}$${bug_test_3}$${bug_test_4}"
> />
>
> is translated to string:
>
> "xpreprocessbug1$%{bug_test_2}xpreprocessbug3$%{bug_test_4}" , to see in
> extension name="x_preprocess_bug1".
>
> If there is a char between concatenated variables (in my test a ^ char),
> everything is OK, to see in extension name="x_preprocess_bug2".
>
>
>
> It's  this known problem or I'm wrong understanding preprocessor usage ??
>
>
>
>
>        Thanks
>                        Kleo
>
> --
>        kleo+freeswitch at netbox.cz <kleo%2Bfreeswitch at netbox.cz>
>
>
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>



-- 
Anthony Minessale II

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