X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMooseX%2FGetopt.pm;h=cc265b5f5a9bd342d745a57a9a2384df8b3ae2ed;hb=035b1668f1af3262c54a6f6692b0dc50ab388020;hp=04557236fefb6452eef3544223db6713f5a9c395;hpb=b56c81234573df88729d5ce348bb460470abc4ff;p=gitmo%2FMooseX-Getopt.git

diff --git a/lib/MooseX/Getopt.pm b/lib/MooseX/Getopt.pm
index 0455723..cc265b5 100644
--- a/lib/MooseX/Getopt.pm
+++ b/lib/MooseX/Getopt.pm
@@ -11,7 +11,7 @@ use Carp ();
 use Getopt::Long (); # GLD uses it anyway, doesn't hurt
 use constant HAVE_GLD => not not eval { require Getopt::Long::Descriptive };
 
-our $VERSION   = '0.13';
+our $VERSION   = '0.23';
 our $AUTHORITY = 'cpan:STEVAN';
 
 has ARGV       => (is => 'rw', isa => 'ArrayRef', metaclass => "NoGetopt");
@@ -31,15 +31,27 @@ sub new_with_options {
         if(!defined $configfile) {
             my $cfmeta = $class->meta->find_attribute_by_name('configfile');
             $configfile = $cfmeta->default if $cfmeta->has_default;
+            if (ref $configfile eq 'CODE') {
+                # not sure theres a lot you can do with the class and may break some assumptions
+                # warn?
+                $configfile = &$configfile($class);
+            }
+            if (defined $configfile) {
+                $config_from_file = eval {
+                    $class->get_config_from_file($configfile);
+                };
+                if ($@) {
+                    die $@ unless $@ =~ /Specified configfile '\Q$configfile\E' does not exist/;
+                }
+            }
         }
-
-        if(defined $configfile) {
+        else {
             $config_from_file = $class->get_config_from_file($configfile);
         }
     }
 
     my $constructor_params = ( @params == 1 ? $params[0] : {@params} );
-    
+
     Carp::croak("Single parameters to new_with_options() must be a HASH ref")
         unless ref($constructor_params) eq 'HASH';
 
@@ -52,10 +64,16 @@ sub new_with_options {
 
     my $params = $config_from_file ? { %$config_from_file, %{$processed{params}} } : $processed{params};
 
+    # did the user request usage information?
+    if ( $processed{usage} && ($params->{'?'} or $params->{help} or $params->{usage}) )
+    {
+        $processed{usage}->die();
+    }
+
     $class->new(
         ARGV       => $processed{argv_copy},
         extra_argv => $processed{argv},
-        @params, # explicit params to ->new
+        %$constructor_params, # explicit params to ->new
         %$params, # params from CLI
     );
 }
@@ -63,7 +81,7 @@ sub new_with_options {
 sub _parse_argv {
     my ( $class, %params ) = @_;
 
-    local @ARGV = @{ $params{argv} || \@ARGV };
+    local @ARGV = @{ $params{params}{argv} || \@ARGV };
 
     my ( $opt_spec, $name_to_init_arg ) = ( HAVE_GLD ? $class->_gld_spec(%params) : $class->_traditional_spec(%params) );
 
@@ -115,7 +133,7 @@ sub _traditional_spec {
     foreach my $opt ( @{ $params{options} } ) {
         push @options, $opt->{opt_string};
 
-        my $identifier = $opt->{name};
+        my $identifier = lc($opt->{name});
         $identifier =~ s/\W/_/g; # Getopt::Long does this to all option names
 
         $name_to_init_arg{$identifier} = $opt->{init_arg};
@@ -137,11 +155,17 @@ sub _gld_spec {
             $opt->{doc} || ' ', # FIXME new GLD shouldn't need this hack
             {
                 ( ( $opt->{required} && !exists($constructor_params->{$opt->{init_arg}}) ) ? (required => $opt->{required}) : () ),
-                ( exists $opt->{default}  ? (default  => $opt->{default})  : () ),
+                # NOTE:
+                # remove this 'feature' because it didn't work 
+                # all the time, and so is better to not bother
+                # since Moose will handle the defaults just 
+                # fine anyway.
+                # - SL
+                #( exists $opt->{default}  ? (default  => $opt->{default})  : () ),
             },
         ];
 
-        my $identifier = $opt->{name};
+        my $identifier = lc($opt->{name});
         $identifier =~ s/\W/_/g; # Getopt::Long does this to all option names
 
         $name_to_init_arg{$identifier} = $opt->{init_arg};
@@ -158,7 +182,7 @@ sub _compute_getopt_attrs {
         $_->name !~ /^_/
     } grep {
         !$_->does('MooseX::Getopt::Meta::Attribute::Trait::NoGetopt')
-    } $class->meta->compute_all_applicable_attributes
+    } $class->meta->get_all_attributes
 }
 
 sub _get_cmd_flags_for_attr {
@@ -187,10 +211,13 @@ sub _attrs_to_options {
 
         my $opt_string = join(q{|}, $flag, @aliases);
 
-        if ($attr->has_type_constraint) {
-            my $type_name = $attr->type_constraint->name;
-            if (MooseX::Getopt::OptionTypeMap->has_option_type($type_name)) {
-                $opt_string .= MooseX::Getopt::OptionTypeMap->get_option_type($type_name)
+        if ($attr->name eq 'configfile') {
+            $opt_string .= '=s';
+        }
+        elsif ($attr->has_type_constraint) {
+            my $type = $attr->type_constraint;
+            if (MooseX::Getopt::OptionTypeMap->has_option_type($type)) {
+                $opt_string .= MooseX::Getopt::OptionTypeMap->get_option_type($type)
             }
         }
 
@@ -199,7 +226,15 @@ sub _attrs_to_options {
             init_arg   => $attr->init_arg,
             opt_string => $opt_string,
             required   => $attr->is_required && !$attr->has_default && !$attr->has_builder && !exists $config_from_file->{$attr->name},
-            ( ( $attr->has_default && ( $attr->is_default_a_coderef xor $attr->is_lazy ) ) ? ( default => $attr->default({}) ) : () ),
+            # NOTE:
+            # this "feature" was breaking because 
+            # Getopt::Long::Descriptive would return 
+            # the default value as if it was a command 
+            # line flag, which would then override the
+            # one passed into a constructor.
+            # See 100_gld_default_bug.t for an example
+            # - SL
+            #( ( $attr->has_default && ( $attr->is_default_a_coderef xor $attr->is_lazy ) ) ? ( default => $attr->default({}) ) : () ),
             ( $attr->has_documentation ? ( doc => $attr->documentation ) : () ),
         }
     }
@@ -262,8 +297,8 @@ to have C<MooseX::Getopt> ignore your attribute in the commandline options.
 
 By default, attributes which start with an underscore are not given
 commandline argument support, unless the attribute's metaclass is set
-to L<MooseX::Getopt::Meta::Attribute>. If you don't want you accessors
-to have the leading underscore in thier name, you can do this:
+to L<MooseX::Getopt::Meta::Attribute>. If you don't want your accessors
+to have the leading underscore in their name, you can do this:
 
   # for read/write attributes
   has '_foo' => (accessor => 'foo', ...);
@@ -400,10 +435,22 @@ This method will take a set of default C<%params> and then collect
 params from the command line (possibly overriding those in C<%params>)
 and then return a newly constructed object.
 
+The special parameter C<argv>, if specified should point to an array
+reference with an array to use instead of C<@ARGV>.
+
 If L<Getopt::Long/GetOptions> fails (due to invalid arguments),
 C<new_with_options> will throw an exception.
 
-If you have L<Getopt::Long::Descriptive> a the C<usage> param is also passed to
+If L<Getopt::Long::Descriptive> is installed and any of the following
+command line params are passed, the program will exit with usage 
+information. You can add descriptions for each option by including a
+B<documentation> option for each attribute to document.
+
+  --?
+  --help
+  --usage
+
+If you have L<Getopt::Long::Descriptive> the C<usage> param is also passed to
 C<new>.
 
 =item B<ARGV>
@@ -435,10 +482,14 @@ Stevan Little E<lt>stevan@iinteractive.comE<gt>
 
 Brandon L. Black, E<lt>blblack@gmail.comE<gt>
 
+Yuval Kogman, E<lt>nothingmuch@woobling.orgE<gt>
+
 =head1 CONTRIBUTORS
 
 Ryan D Johnson, E<lt>ryan@innerfence.comE<gt>
 
+Drew Taylor, E<lt>drew@drewtaylor.comE<gt>
+
 =head1 COPYRIGHT AND LICENSE
 
 Copyright 2007-2008 by Infinity Interactive, Inc.