File: //usr/local/ssl/local/share/man/man3/Template::Constants.3
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.\" ========================================================================
.\"
.IX Title "Template::Constants 3"
.TH Template::Constants 3 "2011-12-20" "perl v5.8.8" "User Contributed Perl Documentation"
.SH "NAME"
Template::Constants \- Defines constants for the Template Toolkit
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& use Template::Constants qw( :status :error :all );
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The \f(CW\*(C`Template::Constants\*(C'\fR modules defines, and optionally exports into the
caller's namespace, a number of constants used by the Template package.
.PP
Constants may be used by specifying the \f(CW\*(C`Template::Constants\*(C'\fR package
explicitly:
.PP
.Vb 2
\& use Template::Constants;
\& print Template::Constants::STATUS_DECLINED;
.Ve
.PP
Constants may be imported into the caller's namespace by naming them as
options to the \f(CW\*(C`use Template::Constants\*(C'\fR statement:
.PP
.Vb 2
\& use Template::Constants qw( STATUS_DECLINED );
\& print STATUS_DECLINED;
.Ve
.PP
Alternatively, one of the following tagset identifiers may be specified
to import sets of constants: '\f(CW\*(C`:status\*(C'\fR', '\f(CW\*(C`:error\*(C'\fR', '\f(CW\*(C`:all\*(C'\fR'.
.PP
.Vb 2
\& use Template::Constants qw( :status );
\& print STATUS_DECLINED;
.Ve
.PP
Consult the documentation for the \f(CW\*(C`Exporter\*(C'\fR module for more information
on exporting variables.
.SH "EXPORTABLE TAG SETS"
.IX Header "EXPORTABLE TAG SETS"
The following tag sets and associated constants are defined:
.PP
.Vb 7
\& :status
\& STATUS_OK # no problem, continue
\& STATUS_RETURN # ended current block then continue (ok)
\& STATUS_STOP # controlled stop (ok)
\& STATUS_DONE # iterator is all done (ok)
\& STATUS_DECLINED # provider declined to service request (ok)
\& STATUS_ERROR # general error condition (not ok)
.Ve
.PP
.Vb 7
\& :error
\& ERROR_RETURN # return a status code (e.g. 'stop')
\& ERROR_FILE # file error: I/O, parse, recursion
\& ERROR_UNDEF # undefined variable value used
\& ERROR_PERL # error in [% PERL %] block
\& ERROR_FILTER # filter error
\& ERROR_PLUGIN # plugin error
.Ve
.PP
.Vb 6
\& :chomp # for PRE_CHOMP and POST_CHOMP
\& CHOMP_NONE # do not remove whitespace
\& CHOMP_ONE # remove whitespace to newline
\& CHOMP_ALL # old name for CHOMP_ONE (deprecated)
\& CHOMP_COLLAPSE # collapse whitespace to a single space
\& CHOMP_GREEDY # remove all whitespace including newlines
.Ve
.PP
.Vb 16
\& :debug
\& DEBUG_OFF # do nothing
\& DEBUG_ON # basic debugging flag
\& DEBUG_UNDEF # throw undef on undefined variables
\& DEBUG_VARS # general variable debugging
\& DEBUG_DIRS # directive debugging
\& DEBUG_STASH # general stash debugging
\& DEBUG_CONTEXT # context debugging
\& DEBUG_PARSER # parser debugging
\& DEBUG_PROVIDER # provider debugging
\& DEBUG_PLUGINS # plugins debugging
\& DEBUG_FILTERS # filters debugging
\& DEBUG_SERVICE # context debugging
\& DEBUG_ALL # everything
\& DEBUG_CALLER # add caller file/line info
\& DEBUG_FLAGS # bitmap used internally
.Ve
.PP
.Vb 2
\& :all
\& All the above constants.
.Ve
.SH "AUTHOR"
.IX Header "AUTHOR"
Andy Wardley <abw@wardley.org> <http://wardley.org/>
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (C) 1996\-2007 Andy Wardley. All Rights Reserved.
.PP
This module is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Template, \f(CW\*(C`Exporter\*(C'\fR