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.IX Title "Unicode::RecursiveDowngrade 3"
.TH Unicode::RecursiveDowngrade 3 "2006-06-25" "perl v5.8.8" "User Contributed Perl Documentation"
.SH "NAME"
Unicode::RecursiveDowngrade \- Turn off the UTF\-8 flags inside of complex variable
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& use Unicode::RecursiveDowngrade;
.Ve
.PP
.Vb 10
\& $rd = Unicode::RecursiveDowngrade->new;
\& $var = {
\&     foo   => 'bar',
\&     baz   => [
\&         'qux',
\&         'quux',
\&     ],
\&     corge => \e$grault,
\& };
\& $unflagged = $rd->downgrade($var);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Unicode::RecursiveDowngrade will turn off the \s-1UTF\-8\s0 flag inside of
complex variable in a lump.
In spite of your intention, some modules turn it on every elements of
returned variable.
You may be hard up for turn them off if you don't need any \s-1UTF\-8\s0 flags
in your variable.
This module will fix it up easily.
.PP
Sometime I think about the \s-1UTF\-8\s0 flag is not stead.
But some \f(CW\*(C`XML::Parser\*(C'\fR based modules will turn it on.
For example, \f(CW\*(C`XML::Simple\*(C'\fR is really simple way to parse XMLs, but
this module returns a simple hashref including flagged values.
This hashref is very hard to use, isn't it?
.SH "METHODS"
.IX Header "METHODS"
.IP "* new" 4
.IX Item "new"
\&\f(CW\*(C`new()\*(C'\fR is a constructor method.
.IP "* filter" 4
.IX Item "filter"
You can set some filter to \f(CW\*(C`filter()\*(C'\fR accessor. The values of downgraded
will be passed this filter function.
You have to set a code reference to this accessor.
Like this:
.Sp
.Vb 2
\& use Unicode::RecursiveDowngrade;
\& use Unicode::Japanese;
.Ve
.Sp
.Vb 3
\& $rd = Unicode::RecursiveDowngrade->new;
\& $rd->filter(sub { Unicode::Japanese->new(shift, 'utf8')->euc });
\& $unflagged = $rd->downgrade($var);
.Ve
.Sp
the passed subref will be called inside \f(CW\*(C`downgrade()\*(C'\fR method.
.IP "* downgrade" 4
.IX Item "downgrade"
\&\f(CW\*(C`downgrade()\*(C'\fR returns a turned off variable of argument.
.SH "VARIABLES"
.IX Header "VARIABLES"
.ie n .IP "* $Unicode::RecursiveDowngrade::DowngradeFunc" 4
.el .IP "* \f(CW$Unicode::RecursiveDowngrade::DowngradeFunc\fR" 4
.IX Item "$Unicode::RecursiveDowngrade::DowngradeFunc"
This variable has a downgrade function for \f(CW\*(C`downgrade()\*(C'\fR method.
You can override the variable for some other way.
.SH "AUTHOR"
.IX Header "AUTHOR"
Koichi Taniguchi <taniguchi@livedoor.jp>
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (c) 2005 Koichi Taniguchi. Japan. All rights reserved.
.PP
This library 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"
utf8