X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMooseX%2FGetopt.pm;h=d463fd423e6ebdf8d23a55d2e539bf2485c9cf20;hb=topic%2Fcreate_via_new;hp=1c4a2358a2f07c04743c3fb700597e64598caffd;hpb=cd9a4a412a0d9729637128b07db4a277ed4259b6;p=gitmo%2FMooseX-Getopt.git

diff --git a/lib/MooseX/Getopt.pm b/lib/MooseX/Getopt.pm
index 1c4a235..d463fd4 100644
--- a/lib/MooseX/Getopt.pm
+++ b/lib/MooseX/Getopt.pm
@@ -6,10 +6,12 @@ use MooseX::Getopt::OptionTypeMap;
 use MooseX::Getopt::Meta::Attribute;
 use MooseX::Getopt::Meta::Attribute::NoGetopt;
 
+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   = '0.20';
 our $AUTHORITY = 'cpan:STEVAN';
 
 has ARGV       => (is => 'rw', isa => 'ArrayRef', metaclass => "NoGetopt");
@@ -36,22 +38,86 @@ sub new_with_options {
         }
     }
 
+    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';
+
     my %processed = $class->_parse_argv(
         options => [
             $class->_attrs_to_options( $config_from_file )
-        ]
+        ],
+        params => $constructor_params,
     );
 
     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
     );
 }
 
+sub BUILDARGS {
+
+    my ($class, @params) = @_;
+
+    my $config_from_file;
+    if($class->meta->does_role('MooseX::ConfigFromFile')) {
+        local @ARGV = @ARGV;
+
+        my $configfile;
+        my $opt_parser = Getopt::Long::Parser->new( config => [ qw( pass_through ) ] );
+        $opt_parser->getoptions( "configfile=s" => \$configfile );
+
+        if(!defined $configfile) {
+            my $cfmeta = $class->meta->find_attribute_by_name('configfile');
+            $configfile = $cfmeta->default if $cfmeta->has_default;
+        }
+
+        if(defined $configfile) {
+            $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';
+
+    my %processed = $class->_parse_argv(
+        options => [
+            $class->_attrs_to_options( $config_from_file )
+        ],
+        params => $constructor_params,
+    );
+
+    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();
+    }
+
+	# BUILDALL needs to return a hash ref of args used to build
+	return {
+        ARGV       => $processed{argv_copy},
+        extra_argv => $processed{argv},
+        %$constructor_params, # explicit params to ->new
+        %$params, # params from CLI
+	}
+}
+
+
 sub _parse_argv {
     my ( $class, %params ) = @_;
 
@@ -121,13 +187,21 @@ sub _gld_spec {
 
     my ( @options, %name_to_init_arg );
 
+    my $constructor_params = $params{params};
+
     foreach my $opt ( @{ $params{options} } ) {
         push @options, [
             $opt->{opt_string},
             $opt->{doc} || ' ', # FIXME new GLD shouldn't need this hack
             {
-                ( $opt->{required} ? (required => $opt->{required}) : () ),
-                ( exists $opt->{default}  ? (default  => $opt->{default})  : () ),
+                ( ( $opt->{required} && !exists($constructor_params->{$opt->{init_arg}}) ) ? (required => $opt->{required}) : () ),
+                # 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})  : () ),
             },
         ];
 
@@ -148,7 +222,7 @@ 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 {
@@ -177,10 +251,13 @@ 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)
             }
         }
 
@@ -189,7 +266,15 @@ 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 ) : () ),
         }
     }
@@ -393,6 +478,15 @@ and then return a newly constructed object.
 If L<Getopt::Long/GetOptions> fails (due to invalid arguments),
 C<new_with_options> will throw an exception.
 
+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> a the C<usage> param is also passed to
 C<new>.
 
@@ -425,10 +519,14 @@ 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.