xo::ConnectionContext instproc query_parameter (public)

 <instance of xo::ConnectionContext> query_parameter __spec \
    [ default ]

Defined in /var/www/openacs.org/packages/xotcl-core/tcl/context-procs.tcl

Get query parameter with default and optional value constraints. In case the value check for the query parameter fails, and no further precautions are performed (::aa_test_noabort is set), the method raises an exception with "ad_return_complaint" and aborts the script.

Parameters:

__spec (required)

has the formname or name:value_constraint

default (optional)

default value

Returns:

actual value of the query parameter

Testcases:

api__context, test_xo_cc, path_resolve