diff options
Diffstat (limited to 'scripts/Dpkg/Substvars.pm')
| -rw-r--r-- | scripts/Dpkg/Substvars.pm | 67 |
1 files changed, 49 insertions, 18 deletions
diff --git a/scripts/Dpkg/Substvars.pm b/scripts/Dpkg/Substvars.pm index 0ec04ba56..8ef3158bb 100644 --- a/scripts/Dpkg/Substvars.pm +++ b/scripts/Dpkg/Substvars.pm @@ -1,4 +1,4 @@ -# Copyright © 2007,2009 Raphaël Hertzog <hertzog@debian.org> +# Copyright © 2007-2010 Raphaël Hertzog <hertzog@debian.org> # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -25,6 +25,8 @@ use Dpkg::Gettext; use POSIX qw(:errno_h); +use base qw(Dpkg::Interface::Storable); + my $maxsubsts = 50; =head1 NAME @@ -71,7 +73,7 @@ sub new { bless $self, $class; $self->no_warn($_) foreach keys %{$self->{'vars'}}; if ($arg) { - $self->parse($arg); + $self->load($arg) if -e $arg; } return $self; } @@ -122,28 +124,27 @@ sub no_warn { $self->{'used'}{$key}++; } -=item $s->parse($file) +=item $s->load($file) Add new substitutions read from $file. +=item $s->parse($fh, $desc) + +Add new substitutions read from the filehandle. $desc is used to identify +the filehandle in error messages. + =cut sub parse { - my ($self, $varlistfile) = @_; - $varlistfile = "./$varlistfile" if $varlistfile =~ m/\s/; - if (open(SV, "<", $varlistfile)) { - binmode(SV); - while (<SV>) { - next if m/^\s*\#/ || !m/\S/; - s/\s*\n$//; - m/^(\w[-:0-9A-Za-z]*)\=(.*)$/ || - error(_g("bad line in substvars file %s at line %d"), - $varlistfile, $.); - $self->{'vars'}{$1} = $2; - } - close(SV); - } elsif ($! != ENOENT) { - error(_g("unable to open substvars file %s: %s"), $varlistfile, $!); + my ($self, $fh, $varlistfile) = @_; + binmode($fh); + while (<$fh>) { + next if m/^\s*\#/ || !m/\S/; + s/\s*\n$//; + m/^(\w[-:0-9A-Za-z]*)\=(.*)$/ || + error(_g("bad line in substvars file %s at line %d"), + $varlistfile, $.); + $self->{'vars'}{$1} = $2; } } @@ -238,6 +239,36 @@ sub warn_about_unused { } } +=item $s->save($file) + +Store all substitutions variables except the automatic ones in the +indicated file. + +=item "$s" + +Return a string representation of all substitutions variables except the +automatic ones. + +=item $str = $s->output($fh) + +Print all substitutions variables except the automatic ones in the +filehandle and return the content written. + +=cut + +sub output { + my ($self, $fh) = @_; + my $str = ""; + # Store all non-automatic substitutions only + foreach my $vn (sort keys %{$self->{'vars'}}) { + next if /^(?:(?:dpkg|source|binary):(?:Source-)?Version|Space|Tab|Newline|Arch|Source-Version|F:.+)$/; + my $line = "$vn=" . $self->{vars}{$vn} . "\n"; + print $fh $line if defined $fh; + $str .= $line; + } + return $str; +} + =back =head1 AUTHOR |