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.\" ========================================================================
.\"
.IX Title "Data::YAML::Reader 3"
.TH Data::YAML::Reader 3 "2009-03-08" "perl v5.10.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
Data::YAML::Reader \- Parse YAML created by Data::YAML::Writer
.SH "VERSION"
.IX Header "VERSION"
This document describes Data::YAML::Reader version 0.0.6
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&    use Data::YAML::Reader;
\&
\&    my $yr = Data::YAML::Reader\->new;
\&    
\&    # Read from an array...
\&    my $from_array = $yr\->read( \e@some_array );
\&    
\&    # ...an open file handle...
\&    my $from_handle = $yr\->read( $some_file );
\&    
\&    # ...a string containing YAML...
\&    my $from_string = $yr\->read( $some_string );
\&    
\&    # ...or a closure
\&    my $from_code = $yr\->read( sub { return get_next_line() } );
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
In the spirit of YAML::Tiny this is a lightweight, dependency-free
\&\s-1YAML\s0 reader. While \f(CW\*(C`YAML::Tiny\*(C'\fR is designed principally for working
with configuration files \f(CW\*(C`Data::YAML\*(C'\fR concentrates on the transparent
round-tripping of \s-1YAML\s0 serialized Perl data structures.
.PP
The syntax accepted by \f(CW\*(C`Data::YAML::Reader\*(C'\fR is a subset of \s-1YAML\s0.
Specifically it is the same subset of \s-1YAML\s0 that Data::YAML::Writer
produces. See Data::YAML for more information.
.SH "INTERFACE"
.IX Header "INTERFACE"
.ie n .IP """new""" 4
.el .IP "\f(CWnew\fR" 4
.IX Item "new"
Creates and returns an empty \f(CW\*(C`Data::YAML::Reader\*(C'\fR object. No options may be passed.
.ie n .IP """read( $source )""" 4
.el .IP "\f(CWread( $source )\fR" 4
.IX Item "read( $source )"
Read \s-1YAML\s0 and return the data structure it represents. The \s-1YAML\s0 data may be supplied by a
.RS 4
.IP "\(bu" 4
scalar string containing \s-1YAML\s0 source
.IP "\(bu" 4
the handle of an open file
.IP "\(bu" 4
a reference to an array of lines
.IP "\(bu" 4
a code reference
.RE
.RS 4
.Sp
In the case of a code reference a subroutine (most likely a closure)
that returns successive lines of \s-1YAML\s0 must be supplied. Lines should
have no trailing newline. When the \s-1YAML\s0 is exhausted the subroutine must
return undef.
.Sp
Returns the data structure (specifically either a scalar, hash ref or
array ref) that results from decoding the \s-1YAML\s0.
.RE
.ie n .IP """get_raw""" 4
.el .IP "\f(CWget_raw\fR" 4
.IX Item "get_raw"
Return the raw \s-1YAML\s0 source from the most recent \f(CW\*(C`read\*(C'\fR.
.SH "BUGS AND LIMITATIONS"
.IX Header "BUGS AND LIMITATIONS"
No bugs have been reported.
.PP
Please report any bugs or feature requests to
\&\f(CW\*(C`data\-yaml@rt.cpan.org\*(C'\fR, or through the web interface at
<http://rt.cpan.org>.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
YAML::Tiny, \s-1YAML\s0, YAML::Syck, Config::Tiny, CSS::Tiny
.SH "AUTHOR"
.IX Header "AUTHOR"
Andy Armstrong  \f(CW\*(C`<andy@hexten.net>\*(C'\fR
.PP
Adam Kennedy wrote YAML::Tiny which provided the template and many of
the \s-1YAML\s0 matching regular expressions for this module.
.SH "LICENCE AND COPYRIGHT"
.IX Header "LICENCE AND COPYRIGHT"
Copyright (c) 2007, Andy Armstrong \f(CW\*(C`<andy@hexten.net>\*(C'\fR. All rights reserved.
.PP
This module is free software; you can redistribute it and/or
modify it under the same terms as Perl itself. See perlartistic.
.SH "DISCLAIMER OF WARRANTY"
.IX Header "DISCLAIMER OF WARRANTY"
\&\s-1BECAUSE\s0 \s-1THIS\s0 \s-1SOFTWARE\s0 \s-1IS\s0 \s-1LICENSED\s0 \s-1FREE\s0 \s-1OF\s0 \s-1CHARGE\s0, \s-1THERE\s0 \s-1IS\s0 \s-1NO\s0 \s-1WARRANTY\s0
\&\s-1FOR\s0 \s-1THE\s0 \s-1SOFTWARE\s0, \s-1TO\s0 \s-1THE\s0 \s-1EXTENT\s0 \s-1PERMITTED\s0 \s-1BY\s0 \s-1APPLICABLE\s0 \s-1LAW\s0. \s-1EXCEPT\s0 \s-1WHEN\s0
\&\s-1OTHERWISE\s0 \s-1STATED\s0 \s-1IN\s0 \s-1WRITING\s0 \s-1THE\s0 \s-1COPYRIGHT\s0 \s-1HOLDERS\s0 \s-1AND/OR\s0 \s-1OTHER\s0 \s-1PARTIES\s0
\&\s-1PROVIDE\s0 \s-1THE\s0 \s-1SOFTWARE\s0 \*(L"\s-1AS\s0 \s-1IS\s0\*(R" \s-1WITHOUT\s0 \s-1WARRANTY\s0 \s-1OF\s0 \s-1ANY\s0 \s-1KIND\s0, \s-1EITHER\s0
\&\s-1EXPRESSED\s0 \s-1OR\s0 \s-1IMPLIED\s0, \s-1INCLUDING\s0, \s-1BUT\s0 \s-1NOT\s0 \s-1LIMITED\s0 \s-1TO\s0, \s-1THE\s0 \s-1IMPLIED\s0
\&\s-1WARRANTIES\s0 \s-1OF\s0 \s-1MERCHANTABILITY\s0 \s-1AND\s0 \s-1FITNESS\s0 \s-1FOR\s0 A \s-1PARTICULAR\s0 \s-1PURPOSE\s0. \s-1THE\s0
\&\s-1ENTIRE\s0 \s-1RISK\s0 \s-1AS\s0 \s-1TO\s0 \s-1THE\s0 \s-1QUALITY\s0 \s-1AND\s0 \s-1PERFORMANCE\s0 \s-1OF\s0 \s-1THE\s0 \s-1SOFTWARE\s0 \s-1IS\s0 \s-1WITH\s0
\&\s-1YOU\s0. \s-1SHOULD\s0 \s-1THE\s0 \s-1SOFTWARE\s0 \s-1PROVE\s0 \s-1DEFECTIVE\s0, \s-1YOU\s0 \s-1ASSUME\s0 \s-1THE\s0 \s-1COST\s0 \s-1OF\s0 \s-1ALL\s0
\&\s-1NECESSARY\s0 \s-1SERVICING\s0, \s-1REPAIR\s0, \s-1OR\s0 \s-1CORRECTION\s0.
.PP
\&\s-1IN\s0 \s-1NO\s0 \s-1EVENT\s0 \s-1UNLESS\s0 \s-1REQUIRED\s0 \s-1BY\s0 \s-1APPLICABLE\s0 \s-1LAW\s0 \s-1OR\s0 \s-1AGREED\s0 \s-1TO\s0 \s-1IN\s0 \s-1WRITING\s0
\&\s-1WILL\s0 \s-1ANY\s0 \s-1COPYRIGHT\s0 \s-1HOLDER\s0, \s-1OR\s0 \s-1ANY\s0 \s-1OTHER\s0 \s-1PARTY\s0 \s-1WHO\s0 \s-1MAY\s0 \s-1MODIFY\s0 \s-1AND/OR\s0
\&\s-1REDISTRIBUTE\s0 \s-1THE\s0 \s-1SOFTWARE\s0 \s-1AS\s0 \s-1PERMITTED\s0 \s-1BY\s0 \s-1THE\s0 \s-1ABOVE\s0 \s-1LICENCE\s0, \s-1BE\s0
\&\s-1LIABLE\s0 \s-1TO\s0 \s-1YOU\s0 \s-1FOR\s0 \s-1DAMAGES\s0, \s-1INCLUDING\s0 \s-1ANY\s0 \s-1GENERAL\s0, \s-1SPECIAL\s0, \s-1INCIDENTAL\s0,
\&\s-1OR\s0 \s-1CONSEQUENTIAL\s0 \s-1DAMAGES\s0 \s-1ARISING\s0 \s-1OUT\s0 \s-1OF\s0 \s-1THE\s0 \s-1USE\s0 \s-1OR\s0 \s-1INABILITY\s0 \s-1TO\s0 \s-1USE\s0
\&\s-1THE\s0 \s-1SOFTWARE\s0 (\s-1INCLUDING\s0 \s-1BUT\s0 \s-1NOT\s0 \s-1LIMITED\s0 \s-1TO\s0 \s-1LOSS\s0 \s-1OF\s0 \s-1DATA\s0 \s-1OR\s0 \s-1DATA\s0 \s-1BEING\s0
\&\s-1RENDERED\s0 \s-1INACCURATE\s0 \s-1OR\s0 \s-1LOSSES\s0 \s-1SUSTAINED\s0 \s-1BY\s0 \s-1YOU\s0 \s-1OR\s0 \s-1THIRD\s0 \s-1PARTIES\s0 \s-1OR\s0 A
\&\s-1FAILURE\s0 \s-1OF\s0 \s-1THE\s0 \s-1SOFTWARE\s0 \s-1TO\s0 \s-1OPERATE\s0 \s-1WITH\s0 \s-1ANY\s0 \s-1OTHER\s0 \s-1SOFTWARE\s0), \s-1EVEN\s0 \s-1IF\s0
\&\s-1SUCH\s0 \s-1HOLDER\s0 \s-1OR\s0 \s-1OTHER\s0 \s-1PARTY\s0 \s-1HAS\s0 \s-1BEEN\s0 \s-1ADVISED\s0 \s-1OF\s0 \s-1THE\s0 \s-1POSSIBILITY\s0 \s-1OF\s0
\&\s-1SUCH\s0 \s-1DAMAGES\s0.