[p5sagit/p5-mst-13.2.git] / lib / CPANPLUS / Internals / Constants.pm

package CPANPLUS::Internals::Constants;

use strict;

use CPANPLUS::Error;

use Config;
use File::Spec;
use Locale::Maketext::Simple    Class => 'CPANPLUS', Style => 'gettext';

require Exporter;
use vars    qw[$VERSION @ISA @EXPORT];

use Package::Constants;

@ISA        = qw[Exporter];
@EXPORT     = Package::Constants->list( __PACKAGE__ );


sub constants { @EXPORT };

use constant INSTALLER_BUILD
                            => 'CPANPLUS::Dist::Build';
use constant INSTALLER_MM   => 'CPANPLUS::Dist::MM';    
use constant INSTALLER_SAMPLE   
                            => 'CPANPLUS::Dist::Sample';
use constant INSTALLER_BASE => 'CPANPLUS::Dist::Base';  
use constant INSTALLER_AUTOBUNDLE
                            => 'CPANPLUS::Dist::Autobundle';

use constant SHELL_DEFAULT  => 'CPANPLUS::Shell::Default';
use constant SHELL_CLASSIC  => 'CPANPLUS::Shell::Classic';

use constant CONFIG         => 'CPANPLUS::Config';
use constant CONFIG_USER    => 'CPANPLUS::Config::User';
use constant CONFIG_SYSTEM  => 'CPANPLUS::Config::System';
use constant CONFIG_BOXED   => 'CPANPLUS::Config::Boxed';

use constant DEFAULT_SOURCE_ENGINE
                            => 'CPANPLUS::Internals::Source::Memory';

use constant TARGET_CREATE  => 'create';
use constant TARGET_PREPARE => 'prepare';
use constant TARGET_INSTALL => 'install';
use constant TARGET_IGNORE  => 'ignore';

use constant ON_WIN32       => $^O eq 'MSWin32';
use constant ON_NETWARE     => $^O eq 'NetWare';
use constant ON_CYGWIN      => $^O eq 'cygwin';
use constant ON_VMS         => $^O eq 'VMS';

use constant DOT_CPANPLUS   => ON_VMS ? '_cpanplus' : '.cpanplus'; 

use constant OPT_AUTOFLUSH  => '-MCPANPLUS::Internals::Utils::Autoflush';

use constant UNKNOWN_DL_LOCATION
                            => 'UNKNOWN-ORIGIN';   

use constant NMAKE          => 'nmake.exe';
use constant NMAKE_URL      => 
                        'ftp://ftp.microsoft.com/Softlib/MSLFILES/nmake15.exe';

use constant INSTALL_VIA_PACKAGE_MANAGER 
                            => sub { my $fmt = $_[0] or return;
                                     return 1 if $fmt ne INSTALLER_BUILD and
                                                 $fmt ne INSTALLER_MM;
                            };                                                 

use constant IS_CODEREF     => sub { ref $_[-1] eq 'CODE' };
use constant IS_MODOBJ      => sub { UNIVERSAL::isa($_[-1], 
                                            'CPANPLUS::Module') }; 
use constant IS_FAKE_MODOBJ => sub { UNIVERSAL::isa($_[-1],
                                            'CPANPLUS::Module::Fake') };
use constant IS_AUTHOBJ     => sub { UNIVERSAL::isa($_[-1],
                                            'CPANPLUS::Module::Author') };
use constant IS_FAKE_AUTHOBJ
                            => sub { UNIVERSAL::isa($_[-1],
                                            'CPANPLUS::Module::Author::Fake') };

use constant IS_CONFOBJ     => sub { UNIVERSAL::isa($_[-1],
                                            'CPANPLUS::Configure') };

use constant IS_RVOBJ       => sub { UNIVERSAL::isa($_[-1],
                                            'CPANPLUS::Backend::RV') };
                                            
use constant IS_INTERNALS_OBJ
                            => sub { UNIVERSAL::isa($_[-1],
                                            'CPANPLUS::Internals') };                                            
                                            
use constant IS_FILE        => sub { return 1 if -e $_[-1] };                                            

use constant FILE_EXISTS    => sub {  
                                    my $file = $_[-1];
                                    return 1 if IS_FILE->($file);
                                    local $Carp::CarpLevel = 
                                            $Carp::CarpLevel+2;
                                    error(loc(  q[File '%1' does not exist],
                                                $file));
                                    return;
                            };    

use constant FILE_READABLE  => sub {  
                                    my $file = $_[-1];
                                    return 1 if -e $file && -r _;
                                    local $Carp::CarpLevel = 
                                            $Carp::CarpLevel+2;
                                    error( loc( q[File '%1' is not readable ].
                                                q[or does not exist], $file));
                                    return;
                            };    
use constant IS_DIR         => sub { return 1 if -d $_[-1] };

use constant DIR_EXISTS     => sub { 
                                    my $dir = $_[-1];
                                    return 1 if IS_DIR->($dir);
                                    local $Carp::CarpLevel = 
                                            $Carp::CarpLevel+2;                                    
                                    error(loc(q[Dir '%1' does not exist],
                                            $dir));
                                    return;
                            };   
                    
                            ### On VMS, if the $Config{make} is either MMK 
                            ### or MMS, then the makefile is 'DESCRIP.MMS'.
use constant MAKEFILE       => sub { my $file =
                                        (ON_VMS and 
                                         $Config::Config{make} =~ /MM[S|K]/i)
                                            ? 'DESCRIP.MMS'
                                            : 'Makefile';

                                    return @_
                                        ? File::Spec->catfile( @_, $file )
                                        : $file;
                            };                   
use constant MAKEFILE_PL    => sub { return @_
                                        ? File::Spec->catfile( @_,
                                                            'Makefile.PL' )
                                        : 'Makefile.PL';
                            }; 
use constant BUILD_PL       => sub { return @_
                                        ? File::Spec->catfile( @_,
                                                            'Build.PL' )
                                        : 'Build.PL';
                            };
                      
use constant META_YML       => sub { return @_
                                        ? File::Spec->catfile( @_, 'META.yml' )
                                        : 'META.yml';
                            }; 

use constant BLIB           => sub { return @_
                                        ? File::Spec->catfile(@_, 'blib')
                                        : 'blib';
                            };                  

use constant LIB            => 'lib';
use constant LIB_DIR        => sub { return @_
                                        ? File::Spec->catdir(@_, LIB)
                                        : LIB;
                            }; 
use constant AUTO           => 'auto';                            
use constant LIB_AUTO_DIR   => sub { return @_
                                        ? File::Spec->catdir(@_, LIB, AUTO)
                                        : File::Spec->catdir(LIB, AUTO)
                            }; 
use constant ARCH           => 'arch';
use constant ARCH_DIR       => sub { return @_
                                        ? File::Spec->catdir(@_, ARCH)
                                        : ARCH;
                            }; 
use constant ARCH_AUTO_DIR  => sub { return @_
                                        ? File::Spec->catdir(@_,ARCH,AUTO)
                                        : File::Spec->catdir(ARCH,AUTO)
                            };                            

use constant BLIB_LIBDIR    => sub { return @_
                                        ? File::Spec->catdir(
                                                @_, BLIB->(), LIB )
                                        : File::Spec->catdir( BLIB->(), LIB );
                            };  

use constant CONFIG_USER_LIB_DIR => sub { 
                                    require CPANPLUS::Internals::Utils;
                                    LIB_DIR->(
                                        CPANPLUS::Internals::Utils->_home_dir,
                                        DOT_CPANPLUS
                                    );
                                };        
use constant CONFIG_USER_FILE    => sub {
                                    File::Spec->catfile(
                                        CONFIG_USER_LIB_DIR->(),
                                        split('::', CONFIG_USER),
                                    ) . '.pm';
                                };
use constant CONFIG_SYSTEM_FILE  => sub {
                                    require CPANPLUS::Internals;
                                    require File::Basename;
                                    my $dir = File::Basename::dirname(
                                        $INC{'CPANPLUS/Internals.pm'}
                                    );
                                
                                    ### XXX use constants
                                    File::Spec->catfile( 
                                        $dir, qw[Config System.pm]
                                    );
                                };        
      
use constant README         => sub { my $obj = $_[0];
                                     my $pkg = $obj->package_name;
                                     $pkg .= '-' . $obj->package_version .
                                             '.readme';
                                     return $pkg;
                            };
use constant META_EXT       => 'meta';

use constant META           => sub { my $obj = $_[0];
                                     my $pkg = $obj->package_name;
                                     $pkg .= '-' . $obj->package_version .
                                             '.' . META_EXT;
                                     return $pkg;
                            };                          
                            
use constant OPEN_FILE      => sub {
                                    my($file, $mode) = (@_, '');
                                    my $fh;
                                    open $fh, "$mode" . $file
                                        or error(loc(
                                            "Could not open file '%1': %2",
                                             $file, $!));
                                    return $fh if $fh;
                                    return;
                            };      
         
use constant OPEN_DIR       => sub { 
                                    my $dir = shift;
                                    my $dh;
                                    opendir $dh, $dir or error(loc(
                                        "Could not open dir '%1': %2", $dir, $!
                                    ));
                                    
                                    return $dh if $dh;
                                    return;
                            };

use constant READ_DIR       => sub { 
                                    my $dir = shift;
                                    my $dh  = OPEN_DIR->( $dir ) or return;
                                    
                                    ### exclude . and ..
                                    my @files =  grep { $_ !~ /^\.{1,2}/ }
                                                    readdir($dh);

                                    ### Remove trailing dot on VMS when
                                    ### using VMS syntax.
                                    if( ON_VMS ) {
                                        s/(?<!\^)\.$// for @files;
                                    }
                                    
                                    return @files;
                            };  

use constant STRIP_GZ_SUFFIX 
                            => sub {
                                    my $file = $_[0] or return;
                                    $file =~ s/.gz$//i;
                                    return $file;
                            };            
                                        
use constant CHECKSUMS      => 'CHECKSUMS';
use constant PGP_HEADER     => '-----BEGIN PGP SIGNED MESSAGE-----';
use constant ENV_CPANPLUS_CONFIG
                            => 'PERL5_CPANPLUS_CONFIG';
use constant ENV_CPANPLUS_IS_EXECUTING
                            => 'PERL5_CPANPLUS_IS_EXECUTING';
use constant DEFAULT_EMAIL  => 'cpanplus@example.com';   
use constant CPANPLUS_UA    => sub { ### for the version number ###
                                     require CPANPLUS::Internals;
                                     "CPANPLUS/$CPANPLUS::Internals::VERSION" 
                                };
use constant TESTERS_URL    => sub {
                                    "http://testers.cpan.org/show/" .
                                    $_[0] .".yaml" 
                                };
use constant TESTERS_DETAILS_URL
                            => sub {
                                    'http://testers.cpan.org/show/' .
                                    $_[0] . '.html';
                                };         

use constant CREATE_FILE_URI    
                            => sub { 
                                    my $dir = $_[0] or return;
                                    return $dir =~ m|^/| 
                                        ? 'file://'  . $dir
                                        : 'file:///' . $dir;   
                            };        

use constant EMPTY_DSLIP    => '     ';

use constant CUSTOM_AUTHOR_ID
                            => 'LOCAL';

use constant DOT_SHELL_DEFAULT_RC
                            => '.shell-default.rc';
                            
use constant SOURCE_SQLITE_DB
                            => 'db.sql';

use constant PREREQ_IGNORE  => 0;                
use constant PREREQ_INSTALL => 1;
use constant PREREQ_ASK     => 2;
use constant PREREQ_BUILD   => 3;
use constant BOOLEANS       => [0,1];
use constant CALLING_FUNCTION   
                            => sub { my $lvl = $_[0] || 0;
                                     return join '::', (caller(2+$lvl))[3] 
                                };
use constant PERL_CORE      => 'perl';

use constant GET_XS_FILES   => sub { my $dir = $_[0] or return;
                                     require File::Find;
                                     my @files;
                                     File::Find::find( 
                                        sub { push @files, $File::Find::name
                                                if $File::Find::name =~ /\.xs$/i
                                        }, $dir );
                                           
                                     return @files;
                                };  

use constant INSTALL_LOG_FILE 
                            => sub { my $obj  = shift or return;
                                     my $name = $obj->name; $name =~ s/::/-/g;
                                     $name .= '-'. $obj->version;
                                     $name .= '-'. scalar(time) . '.log';
                                     return $name;
                                };                                        

use constant ON_OLD_CYGWIN  => do { ON_CYGWIN and $] < 5.008 
                                    ? loc(
                                       "Your perl version for %1 is too low; ".
                                       "Require %2 or higher for this function",
                                       $^O, '5.8.0' )
                                    : '';                                                                           
                                };

### XXX these 2 are probably obsolete -- check & remove;
use constant DOT_EXISTS     => '.exists'; 

use constant QUOTE_PERL_ONE_LINER 
                            => sub { my $line = shift or return;

                                     ### use double quotes on these systems
                                     return qq["$line"] 
                                        if ON_WIN32 || ON_NETWARE || ON_VMS;

                                     ### single quotes on the rest
                                     return qq['$line'];
                            };   

1;              

# Local variables:
# c-indentation-style: bsd
# c-basic-offset: 4
# indent-tabs-mode: nil
# End:
# vim: expandtab shiftwidth=4:
Commit	Line	Data
6aaee015	1	package CPANPLUS::Internals::Constants;
	2
	3	use strict;
	4
	5	use CPANPLUS::Error;
	6
5bc5f6dc	7	use Config;
6aaee015	8	use File::Spec;
	9	use Locale::Maketext::Simple Class => 'CPANPLUS', Style => 'gettext';
	10
	11	require Exporter;
	12	use vars qw[$VERSION @ISA @EXPORT];
	13
	14	use Package::Constants;
	15
6aaee015	16	@ISA = qw[Exporter];
	17	@EXPORT = Package::Constants->list( __PACKAGE__ );
	18
	19
	20	sub constants { @EXPORT };
	21
	22	use constant INSTALLER_BUILD
	23	=> 'CPANPLUS::Dist::Build';
	24	use constant INSTALLER_MM => 'CPANPLUS::Dist::MM';
	25	use constant INSTALLER_SAMPLE
	26	=> 'CPANPLUS::Dist::Sample';
4443dd53	27	use constant INSTALLER_BASE => 'CPANPLUS::Dist::Base';
	28	use constant INSTALLER_AUTOBUNDLE
	29	=> 'CPANPLUS::Dist::Autobundle';
6aaee015	30
494f1016	31	use constant SHELL_DEFAULT => 'CPANPLUS::Shell::Default';
	32	use constant SHELL_CLASSIC => 'CPANPLUS::Shell::Classic';
	33
6aaee015	34	use constant CONFIG => 'CPANPLUS::Config';
	35	use constant CONFIG_USER => 'CPANPLUS::Config::User';
	36	use constant CONFIG_SYSTEM => 'CPANPLUS::Config::System';
622d31ac	37	use constant CONFIG_BOXED => 'CPANPLUS::Config::Boxed';
6aaee015	38
4443dd53	39	use constant DEFAULT_SOURCE_ENGINE
	40	=> 'CPANPLUS::Internals::Source::Memory';
	41
6aaee015	42	use constant TARGET_CREATE => 'create';
	43	use constant TARGET_PREPARE => 'prepare';
	44	use constant TARGET_INSTALL => 'install';
	45	use constant TARGET_IGNORE => 'ignore';
5bc5f6dc	46
	47	use constant ON_WIN32 => $^O eq 'MSWin32';
	48	use constant ON_NETWARE => $^O eq 'NetWare';
	49	use constant ON_CYGWIN => $^O eq 'cygwin';
	50	use constant ON_VMS => $^O eq 'VMS';
	51
	52	use constant DOT_CPANPLUS => ON_VMS ? '_cpanplus' : '.cpanplus';
6aaee015	53
	54	use constant OPT_AUTOFLUSH => '-MCPANPLUS::Internals::Utils::Autoflush';
	55
	56	use constant UNKNOWN_DL_LOCATION
	57	=> 'UNKNOWN-ORIGIN';
	58
	59	use constant NMAKE => 'nmake.exe';
	60	use constant NMAKE_URL =>
	61	'ftp://ftp.microsoft.com/Softlib/MSLFILES/nmake15.exe';
	62
	63	use constant INSTALL_VIA_PACKAGE_MANAGER
	64	=> sub { my $fmt = $_[0] or return;
	65	return 1 if $fmt ne INSTALLER_BUILD and
	66	$fmt ne INSTALLER_MM;
	67	};
	68
	69	use constant IS_CODEREF => sub { ref $_[-1] eq 'CODE' };
	70	use constant IS_MODOBJ => sub { UNIVERSAL::isa($_[-1],
	71	'CPANPLUS::Module') };
	72	use constant IS_FAKE_MODOBJ => sub { UNIVERSAL::isa($_[-1],
	73	'CPANPLUS::Module::Fake') };
	74	use constant IS_AUTHOBJ => sub { UNIVERSAL::isa($_[-1],
	75	'CPANPLUS::Module::Author') };
	76	use constant IS_FAKE_AUTHOBJ
	77	=> sub { UNIVERSAL::isa($_[-1],
	78	'CPANPLUS::Module::Author::Fake') };
	79
	80	use constant IS_CONFOBJ => sub { UNIVERSAL::isa($_[-1],
	81	'CPANPLUS::Configure') };
	82
	83	use constant IS_RVOBJ => sub { UNIVERSAL::isa($_[-1],
	84	'CPANPLUS::Backend::RV') };
	85
	86	use constant IS_INTERNALS_OBJ
	87	=> sub { UNIVERSAL::isa($_[-1],
	88	'CPANPLUS::Internals') };
	89
	90	use constant IS_FILE => sub { return 1 if -e $_[-1] };
	91
	92	use constant FILE_EXISTS => sub {
	93	my $file = $_[-1];
	94	return 1 if IS_FILE->($file);
	95	local $Carp::CarpLevel =
	96	$Carp::CarpLevel+2;
	97	error(loc( q[File '%1' does not exist],
	98	$file));
	99	return;
	100	};
	101
	102	use constant FILE_READABLE => sub {
	103	my $file = $_[-1];
	104	return 1 if -e $file && -r _;
	105	local $Carp::CarpLevel =
	106	$Carp::CarpLevel+2;
	107	error( loc( q[File '%1' is not readable ].
	108	q[or does not exist], $file));
	109	return;
	110	};
	111	use constant IS_DIR => sub { return 1 if -d $_[-1] };
	112
	113	use constant DIR_EXISTS => sub {
	114	my $dir = $_[-1];
	115	return 1 if IS_DIR->($dir);
	116	local $Carp::CarpLevel =
117	$Carp::CarpLevel+2;
118	error(loc(q[Dir '%1' does not exist],
119	$dir));
120	return;
121	};
5bc5f6dc	122
	123	### On VMS, if the $Config{make} is either MMK
	124	### or MMS, then the makefile is 'DESCRIP.MMS'.
	125	use constant MAKEFILE => sub { my $file =
	126	(ON_VMS and
	127	$Config::Config{make} =~ /MM[S\|K]/i)
	128	? 'DESCRIP.MMS'
	129	: 'Makefile';
	130
	131	return @_
	132	? File::Spec->catfile( @_, $file )
	133	: $file;
	134	};
6aaee015	135	use constant MAKEFILE_PL => sub { return @_
	136	? File::Spec->catfile( @_,
	137	'Makefile.PL' )
	138	: 'Makefile.PL';
6aaee015	139	};
	140	use constant BUILD_PL => sub { return @_
	141	? File::Spec->catfile( @_,
	142	'Build.PL' )
	143	: 'Build.PL';
	144	};
4443dd53	145
	146	use constant META_YML => sub { return @_
	147	? File::Spec->catfile( @_, 'META.yml' )
	148	: 'META.yml';
	149	};
	150
6aaee015	151	use constant BLIB => sub { return @_
	152	? File::Spec->catfile(@_, 'blib')
	153	: 'blib';
	154	};
	155
	156	use constant LIB => 'lib';
	157	use constant LIB_DIR => sub { return @_
	158	? File::Spec->catdir(@_, LIB)
	159	: LIB;
	160	};
	161	use constant AUTO => 'auto';
	162	use constant LIB_AUTO_DIR => sub { return @_
	163	? File::Spec->catdir(@_, LIB, AUTO)
	164	: File::Spec->catdir(LIB, AUTO)
	165	};
	166	use constant ARCH => 'arch';
	167	use constant ARCH_DIR => sub { return @_
	168	? File::Spec->catdir(@_, ARCH)
	169	: ARCH;
	170	};
	171	use constant ARCH_AUTO_DIR => sub { return @_
	172	? File::Spec->catdir(@_,ARCH,AUTO)
	173	: File::Spec->catdir(ARCH,AUTO)
	174	};
	175
	176	use constant BLIB_LIBDIR => sub { return @_
	177	? File::Spec->catdir(
	178	@_, BLIB->(), LIB )
	179	: File::Spec->catdir( BLIB->(), LIB );
	180	};
	181
	182	use constant CONFIG_USER_LIB_DIR => sub {
	183	require CPANPLUS::Internals::Utils;
	184	LIB_DIR->(
	185	CPANPLUS::Internals::Utils->_home_dir,
	186	DOT_CPANPLUS
	187	);
	188	};
	189	use constant CONFIG_USER_FILE => sub {
	190	File::Spec->catfile(
	191	CONFIG_USER_LIB_DIR->(),
	192	split('::', CONFIG_USER),
	193	) . '.pm';
	194	};
	195	use constant CONFIG_SYSTEM_FILE => sub {
	196	require CPANPLUS::Internals;
	197	require File::Basename;
	198	my $dir = File::Basename::dirname(
	199	$INC{'CPANPLUS/Internals.pm'}
	200	);
	201
	202	### XXX use constants
	203	File::Spec->catfile(
	204	$dir, qw[Config System.pm]
	205	);
	206	};
	207
	208	use constant README => sub { my $obj = $_[0];
	209	my $pkg = $obj->package_name;
	210	$pkg .= '-' . $obj->package_version .
	211	'.readme';
	212	return $pkg;
	213	};
4443dd53	214	use constant META_EXT => 'meta';
	215
	216	use constant META => sub { my $obj = $_[0];
	217	my $pkg = $obj->package_name;
	218	$pkg .= '-' . $obj->package_version .
	219	'.' . META_EXT;
	220	return $pkg;
	221	};
	222
6aaee015	223	use constant OPEN_FILE => sub {
	224	my($file, $mode) = (@_, '');
	225	my $fh;
	226	open $fh, "$mode" . $file
	227	or error(loc(
	228	"Could not open file '%1': %2",
	229	$file, $!));
	230	return $fh if $fh;
	231	return;
	232	};
5bc5f6dc	233
	234	use constant OPEN_DIR => sub {
	235	my $dir = shift;
	236	my $dh;
	237	opendir $dh, $dir or error(loc(
	238	"Could not open dir '%1': %2", $dir, $!
	239	));
	240
	241	return $dh if $dh;
	242	return;
	243	};
	244
	245	use constant READ_DIR => sub {
	246	my $dir = shift;
	247	my $dh = OPEN_DIR->( $dir ) or return;
	248
	249	### exclude . and ..
5879cbe1	250	my @files = grep { $_ !~ /^\.{1,2}/ }
5bc5f6dc	251	readdir($dh);
5879cbe1	252
	253	### Remove trailing dot on VMS when
	254	### using VMS syntax.
	255	if( ON_VMS ) {
	256	s/(?<!\^)\.$// for @files;
	257	}
5bc5f6dc	258
	259	return @files;
	260	};
	261
6aaee015	262	use constant STRIP_GZ_SUFFIX
	263	=> sub {
	264	my $file = $_[0] or return;
	265	$file =~ s/.gz$//i;
	266	return $file;
	267	};
	268
	269	use constant CHECKSUMS => 'CHECKSUMS';
	270	use constant PGP_HEADER => '-----BEGIN PGP SIGNED MESSAGE-----';
	271	use constant ENV_CPANPLUS_CONFIG
	272	=> 'PERL5_CPANPLUS_CONFIG';
	273	use constant ENV_CPANPLUS_IS_EXECUTING
	274	=> 'PERL5_CPANPLUS_IS_EXECUTING';
	275	use constant DEFAULT_EMAIL => 'cpanplus@example.com';
	276	use constant CPANPLUS_UA => sub { ### for the version number ###
	277	require CPANPLUS::Internals;
	278	"CPANPLUS/$CPANPLUS::Internals::VERSION"
	279	};
	280	use constant TESTERS_URL => sub {
	281	"http://testers.cpan.org/show/" .
	282	$_[0] .".yaml"
	283	};
	284	use constant TESTERS_DETAILS_URL
	285	=> sub {
	286	'http://testers.cpan.org/show/' .
	287	$_[0] . '.html';
	288	};
	289
	290	use constant CREATE_FILE_URI
	291	=> sub {
	292	my $dir = $_[0] or return;
	293	return $dir =~ m\|^/\|
5879cbe1	294	? 'file://' . $dir
5879cbe1	295	: 'file:///' . $dir;
6aaee015	296	};
6aaee015	297
5879cbe1	298	use constant EMPTY_DSLIP => ' ';
5879cbe1	299
5bc5f6dc	300	use constant CUSTOM_AUTHOR_ID
	301	=> 'LOCAL';
	302
6aaee015	303	use constant DOT_SHELL_DEFAULT_RC
6aaee015	304	=> '.shell-default.rc';
4443dd53	305
	306	use constant SOURCE_SQLITE_DB
	307	=> 'db.sql';
6aaee015	308
	309	use constant PREREQ_IGNORE => 0;
	310	use constant PREREQ_INSTALL => 1;
	311	use constant PREREQ_ASK => 2;
	312	use constant PREREQ_BUILD => 3;
	313	use constant BOOLEANS => [0,1];
	314	use constant CALLING_FUNCTION
	315	=> sub { my $lvl = $_[0] \|\| 0;
	316	return join '::', (caller(2+$lvl))[3]
	317	};
	318	use constant PERL_CORE => 'perl';
	319
	320	use constant GET_XS_FILES => sub { my $dir = $_[0] or return;
	321	require File::Find;
	322	my @files;
	323	File::Find::find(
	324	sub { push @files, $File::Find::name
	325	if $File::Find::name =~ /\.xs$/i
	326	}, $dir );
	327
	328	return @files;
	329	};
	330
	331	use constant INSTALL_LOG_FILE
	332	=> sub { my $obj = shift or return;
	333	my $name = $obj->name; $name =~ s/::/-/g;
	334	$name .= '-'. $obj->version;
	335	$name .= '-'. scalar(time) . '.log';
	336	return $name;
	337	};
	338
6aaee015	339	use constant ON_OLD_CYGWIN => do { ON_CYGWIN and $] < 5.008
	340	? loc(
	341	"Your perl version for %1 is too low; ".
	342	"Require %2 or higher for this function",
	343	$^O, '5.8.0' )
	344	: '';
	345	};
	346
	347	### XXX these 2 are probably obsolete -- check & remove;
	348	use constant DOT_EXISTS => '.exists';
	349
	350	use constant QUOTE_PERL_ONE_LINER
	351	=> sub { my $line = shift or return;
	352
	353	### use double quotes on these systems
	354	return qq["$line"]
	355	if ON_WIN32 \|\| ON_NETWARE \|\| ON_VMS;
	356
	357	### single quotes on the rest
	358	return qq['$line'];
	359	};
	360
	361	1;
	362
	363	# Local variables:
	364	# c-indentation-style: bsd
	365	# c-basic-offset: 4
	366	# indent-tabs-mode: nil
	367	# End:
	368	# vim: expandtab shiftwidth=4: