PAL.C.T MINI SHELL
package ExtUtils::XSBuilder::MapUtil;
use strict;
use warnings;
use Exporter ();
use Data::Dumper ;
use IO::Handle ;
use ExtUtils::XSBuilder::TypeMap ;
our @EXPORT_OK = qw(list_first disabled_reason
function_table structure_table
callback_table callback_hash
);
our @ISA = qw(Exporter);
my %disabled_map = (
'!' => 'disabled or not yet implemented',
'~' => 'implemented but not auto-generated',
'-' => 'likely never be available to Perl',
'>' => '"private" to apache',
'?' => 'unclassified',
'+' => 'automaticly added',
);
# ============================================================================
my $function_table = [];
sub function_table {
return $function_table if @$function_table;
my $parsesource = shift -> parsesource_objects ;
$function_table = [] ;
foreach my $src (@$parsesource) {
require $src -> pm_path ('FunctionTable.pm') ;
no strict ;
push @$function_table, @${$src -> package . '::FunctionTable'} ;
use strict ;
}
return $function_table;
}
# ============================================================================
my $callback_table = [];
sub callback_table {
return $callback_table if @$callback_table;
my $parsesource = shift -> parsesource_objects ;
$callback_table = [] ;
foreach my $src (@$parsesource) {
require $src -> pm_path ('CallbackTable.pm') ;
no strict ;
push @$callback_table, @${$src -> package . '::CallbackTable'} ;
use strict ;
}
return $callback_table;
}
# ============================================================================
my $callback_hash ;
sub callback_hash {
return $callback_hash if $callback_hash ;
my %callbacks = map { $_->{name}, $_ } @{ callback_table(shift) };
$callback_hash = \%callbacks ;
}
# ============================================================================
my $structure_table = [];
sub structure_table {
return $structure_table if @$structure_table;
$structure_table = [] ;
my $parsesource = shift -> parsesource_objects ;
foreach my $src (@$parsesource) {
require $src -> pm_path ('StructureTable.pm') ;
no strict ;
push @$structure_table, @${$src -> package . '::StructureTable'} ;
use strict ;
}
return $structure_table;
}
# ============================================================================
sub disabled_reason {
$disabled_map{+shift} || 'unknown';
}
# ============================================================================
sub list_first (&@) {
my $code = shift;
for (@_) {
return $_ if $code->();
}
undef;
}
# ============================================================================
package ExtUtils::XSBuilder::MapBase;
*function_table = \&ExtUtils::XSBuilder::function_table;
*structure_table = \&ExtUtils::XSBuilder::structure_table;
sub readline {
my $fh = shift;
while (<$fh>) {
chomp;
s/^\s+//; s/\s+$//;
s/^\#.*//;
s/\s*\#.*//;
next unless $_;
if (s:\\$::) {
my $cur = $_;
$_ = $cur . $fh->readline;
return $_;
}
return $_;
}
}
my $map_classes = join '|', qw(type structure function callback);
sub map_files {
my $self = shift;
my $package = ref($self) || $self;
my($wanted) = $package =~ /($map_classes)/io;
my(@dirs) = ($self -> {wrapxs} -> xs_map_dir(), $self -> {wrapxs} -> xs_glue_dirs());
my @files;
my @searchdirs = map { -d "$_/maps" ? "$_/maps" : $_ } @dirs ;
for my $dir (@searchdirs) {
opendir my $dh, $dir or warn "opendir $dir: $!";
for (readdir $dh) {
next unless /\.map$/;
my $file = "$dir/$_";
if ($wanted) {
next unless $file =~ /$wanted/i;
}
#print "$package => $file\n";
push @files, $file;
}
closedir $dh;
}
print 'WARNING: No *_' . lc($wanted) . ".map file found in @searchdirs\n" if (!@files) ;
return @files;
}
sub new_map_file {
my $self = shift;
my $package = ref($self) || $self;
my($wanted) = $package =~ /($map_classes)/io;
my(@dirs) = ($self -> {wrapxs} -> xs_map_dir(), $self -> {wrapxs} -> xs_glue_dirs());
my @files;
my @searchdirs = map { -d "$_/maps" ? "$_/maps" : $_ } @dirs ;
if (!@searchdirs)
{
print "WARNING: No maps directory found\n" ;
return undef ;
}
return $searchdirs[0] . '/new_' . lc($wanted) . '.map' ;
}
sub parse_keywords {
my($self, $line) = @_;
my %words;
for my $pair (split /\s+/, $line) {
my($key, $val) = split /=/, $pair;
unless ($key and $val) {
die "parse error ($ExtUtils::XSBuilder::MapFile line $.)";
}
$words{$key} = $val;
}
%words;
}
sub parse_map_files {
my($self) = @_;
my $map = {};
for my $file (map_files($self)) {
print "Parse $file...\n" ;
open my $fh, $file or die "open $file: $!";
local $ExtUtils::XSBuilder::MapFile = $file;
bless $fh, __PACKAGE__;
$self->parse($fh, $map);
close $fh;
}
return $map;
}
sub write_map_file {
my($self, $newentries, $prefix) = @_;
return if (!$newentries || !@$newentries) ;
my $file = $self -> new_map_file or die ;
print "Write $file...\n" ;
open my $fh, '>>', $file or die "open $file: $!";
local $ExtUtils::XSBuilder::MapFile = $file;
#bless $fh, __PACKAGE__;
$fh -> print ( "\n### Added " . scalar(localtime) . " ###\n\n" );
$self->write($fh, $newentries, $prefix);
close $fh;
}
1;
__END__
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