initial implementation

1 files changed, 79 insertions, 0 deletions

diff --git a/lib/Plack/Middleware/Xslate.pm b/lib/Plack/Middleware/Xslate.pm
index e69de29..9e05a05 100644
--- a/lib/Plack/Middleware/Xslate.pm
+++ b/lib/Plack/Middleware/Xslate.pm
@@ -0,0 +1,79 @@
+package Plack::Middleware::Xslate;
+use strict;
+use warnings;
+
+use base 'Plack::Middleware::Static';
+
+use Plack::Util::Accessor 'xslate_args', 'xslate_vars';
+
+use Text::Xslate;
+
+sub prepare_app {
+    my $self = shift;
+    $self->{file} = Plack::App::File::Xslate->new({ root => $self->root || '.', encoding => $self->encoding, xslate_args => $self->xslate_args, xslate_vars => $self->xslate_vars });
+    $self->{file}->prepare_app;
+}
+
+# XXX copied and pasted from Plack::Middleware::Static just so i can override
+# with Plack::App::File::Xslate instead of Plack::App::File - submit a patch
+# upstream to make this more configurable
+sub _handle_static {
+    my($self, $env) = @_;
+
+    my $path_match = $self->path or return;
+    my $path = $env->{PATH_INFO};
+
+    for ($path) {
+        my $matched = 'CODE' eq ref $path_match ? $path_match->($_) : $_ =~ $path_match;
+        return unless $matched;
+    }
+
+    local $env->{PATH_INFO} = $path; # rewrite PATH
+    return $self->{file}->call($env);
+}
+
+package # hide from PAUSE
+    Plack::App::File::Xslate;
+use strict;
+use warnings;
+
+use base 'Plack::App::File';
+
+use Plack::Util::Accessor 'xslate_args', 'xslate_vars';
+
+use File::Spec;
+use Cwd 'cwd';
+
+sub prepare_app {
+    my $self = shift;
+
+    $self->SUPER::prepare_app(@_);
+
+    $self->content_type('text/html');
+
+    $self->xslate_args({
+        %{ $self->xslate_args || {} },
+        path => [ $self->root ],
+    });
+    $self->{xslate} = Text::Xslate->new($self->xslate_args || ());
+}
+
+sub serve_path {
+    my $self = shift;
+    my ($env, $file) = @_;
+
+    my $res = $self->SUPER::serve_path(@_);
+
+    my $filename = $res->[2]->path;
+    if (File::Spec->file_name_is_absolute($filename)) {
+        $filename = File::Spec->abs2rel($filename, $self->root);
+    }
+
+    my $rendered = $self->{xslate}->render($filename, $self->xslate_vars);
+
+    $res->[2] = [ $rendered ];
+
+    return $res;
+}
+
+1;