X-Git-Url: http://erislabs.net/gitweb/?p=liburi-template-perl.git;a=blobdiff_plain;f=lib%2FURI%2FTemplate.pm;h=a903cad5b80a56bbb2b39ff077cb86d3a2a9a963;hp=54ea7d28f6cead4a4cb4cb0cbb4e87ef7151830b;hb=e0de6ab08282e52476e36abb99a35be9eff9ca8e;hpb=3f3d56e5fb9a55ee113ccf2bc03f3a453f80baa0 diff --git a/lib/URI/Template.pm b/lib/URI/Template.pm index 54ea7d2..a903cad 100644 --- a/lib/URI/Template.pm +++ b/lib/URI/Template.pm @@ -3,12 +3,14 @@ package URI::Template; use strict; use warnings; -our $VERSION = '0.04'; +our $VERSION = '0.08_02'; use URI; use URI::Escape (); use overload '""' => \&as_string; +my $unsafe = q(^A-Za-z0-9\-_.~!\$\&'()*+,;=:/?\[\]#@); + =head1 NAME URI::Template - Object for handling URI templates @@ -26,7 +28,7 @@ URI::Template - Object for handling URI templates =head1 DESCRIPTION This is an initial attempt to provide a wrapper around URI templates -as described at http://www.ietf.org/internet-drafts/draft-gregorio-uritemplate-00.txt +as described at http://www.ietf.org/internet-drafts/draft-gregorio-uritemplate-01.txt =head1 INSTALLATION @@ -74,19 +76,34 @@ sub as_string { =head2 variables( ) -Returns an array of variable names found in the template. +Returns an array of variable names found in the template. NB: they +are returned in random order. =cut sub variables { my $self = shift; - my %vars = map { $_ => 1 } $self->as_string =~ /{(.+?)}/g; + my %vars = map { $_ => 1 } $self->all_variables; return keys %vars; } -=head2 process( %vars ) +=head2 all_variables( ) + +Returns an array of variable names found as they appear in template -- +in order, duplicates included. + +=cut + +sub all_variables { + my $self = shift; + my @vars = $self->as_string =~ /{(.+?)}/g; + return @vars; +} -Given a list of key-value pairs, it will URI escape the values and +=head2 process( %vars|\@values ) + +Given a list of key-value pairs or an array ref of values (for +positional substitution), it will URI escape the values and substitute them in to the template. Returns a URI object. =cut @@ -96,14 +113,25 @@ sub process { return URI->new( $self->process_to_string( @_ ) ); } -=head2 process_to_string( %vars ) +=head2 process_to_string( %vars|\@values ) -Processes key-values pairs like the C method, but doesn't +Processes input like the C method, but doesn't inflate the result to a URI object. =cut sub process_to_string { + my $self = shift; + + if( ref $_[ 0 ] ) { + return $self->_process_by_position( @_ ); + } + else { + return $self->_process_by_key( @_ ); + } +} + +sub _process_by_key { my $self = shift; my @vars = $self->variables; my %params = @_; @@ -111,11 +139,28 @@ sub process_to_string { # fix undef vals for my $var ( @vars ) { - $params{ $var } = '' unless defined $params{ $var }; + $params{ $var } = defined $params{ $var } + ? URI::Escape::uri_escape( $params{ $var }, $unsafe ) + : ''; } my $regex = '\{(' . join( '|', map quotemeta, @vars ) . ')\}'; - $uri =~ s/$regex/URI::Escape::uri_escape($params{$1})/eg; + $uri =~ s/$regex/$params{$1}/eg; + + return $uri; +} + +sub _process_by_position { + my $self = shift; + my @params = @{ $_[ 0 ] }; + + my $uri = $self->as_string; + + $uri =~ s/{(.+?)}/@params + ? defined $params[ 0 ] + ? URI::Escape::uri_escape( shift @params, $unsafe ) + : '' + : ''/eg; return $uri; } @@ -131,23 +176,23 @@ sub deparse { my $self = shift; my $uri = shift; - my $templ = $self->as_string; - my @vars = $templ =~ /{(.+?)}/g; - $templ =~ s/{.+?}/(.+?)/g; - my @matches = $uri =~ /$templ/; + if( !$self->{ deparse_re } ) { + my $templ = $self->as_string; + $self->{ vars_list } = [ $templ =~ /{(.+?)}/g ]; + $templ =~ s/{.+?}/(.+?)/g; + $self->{ deparse_re } = qr/$templ/; + } + + my @matches = $uri =~ $self->{ deparse_re }; my %results; - @results{ @vars } = @matches; + @results{ @{ $self->{ vars_list } } } = @matches; return %results; } =head1 AUTHOR -=over 4 - -=item * Brian Cassidy Ebricas@cpan.orgE - -=back +Brian Cassidy Ebricas@cpan.orgE =head1 COPYRIGHT AND LICENSE