X-Git-Url: http://git.shiar.net/perl/plp/.git/blobdiff_plain/4b924b1351d4a8ea42652533081a3ea62df110e4..971a58801d2a08b72045268bb416ce624971774c:/lib/PLP/Fields.pm

diff --git a/lib/PLP/Fields.pm b/lib/PLP/Fields.pm
index 212dec5..27888ba 100644
--- a/lib/PLP/Fields.pm
+++ b/lib/PLP/Fields.pm
@@ -12,7 +12,7 @@ sub doit {
 	# %get
 	
 	my $get = \%PLP::Script::get;
-	if (length $ENV{QUERY_STRING}){
+	if (defined $ENV{QUERY_STRING} and length $ENV{QUERY_STRING}){
 		for (split /[&;]/, $ENV{QUERY_STRING}) {
 			my @keyval = split /=/, $_, 2;
 			PLP::Functions::DecodeURI(@keyval);
@@ -25,13 +25,10 @@ sub doit {
 
 	tie %PLP::Script::post, 'PLP::Tie::Delay', 'PLP::Script::post', sub {
 		my %post;
-		my $post;
-		
-		return \%post if $ENV{CONTENT_TYPE} !~
-			m!^(?:application/x-www-form-urlencoded|$)!;
-		
-		$post = $PLP::read->($ENV{CONTENT_LENGTH}) if $ENV{CONTENT_LENGTH};
+		return \%post unless $ENV{CONTENT_TYPE} and $ENV{CONTENT_LENGTH} and
+			$ENV{CONTENT_TYPE} =~ m!^(?:application/x-www-form-urlencoded|$)!;
 		
+		my $post = $PLP::read->($ENV{CONTENT_LENGTH});
 		return \%post unless defined $post and length $post;
 		
 		for (split /&/, $post) {
@@ -108,8 +105,18 @@ are B<not> automatically url-decoded.
 
 =item C<%header>, C<%headers>
 
-In this hash, you can set headers. Underscores are converted to normal minus
-signs, so you can leave out quotes. The hash is case insensitive: the case used
+This is a hash of HTTP headers to accompany the first output.
+By default it will contain C<X-PLP-Version> to identify the serving module,
+and C<Content-Type> set to C<text/html>.
+
+If STDOUT has been opened as :utf8,
+a C<charset=utf-8> attribute will automatically be added.
+This will not be possible with FastCGI
+because FCGI (as of version 0.74) does not support output layers.
+
+Headers can be added and/or changed as long as they have not yet been sent.
+Underscores in key names are converted to normal minus signs,
+so you can leave out quotes.  The hash is case insensitive: the case used
 when sending the headers is the one you used first. The following are equal:
 
     $header{CONTENT_TYPE}
@@ -121,6 +128,15 @@ If a value contains newlines, the header is repeated for each line:
 
 	$header{Allow} = "HEAD\nGET";  # equivalent to HEAD,GET
 
+For example, to send out a non-HTML text instead of the default HTML:
+
+    <:
+    $header{content_type} = 'text/plain';
+    use open ':std', ':utf8';
+    :>
+    This text should be prefixed by the following header:
+        Content-Type: text/plain; charset=utf-8
+
 =back
 
 =head1 AUTHOR