/usr/share/pari/PARI/822.pm is in libpari-dev 2.9.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | #!/usr/bin/perl -w
#Copyright (C) 2003 The PARI group.
#
#This file is part of the GP2C package.
#
#PARI/GP is free software; you can redistribute it and/or modify it under the
#terms of the GNU General Public License as published by the Free Software
#Foundation. It is distributed in the hope that it will be useful, but WITHOUT
#ANY WARRANTY WHATSOEVER.
#
#Check the License for details. You should have received a copy of it, along
#with the package; see the file 'COPYING'. If not, write to the Free Software
#Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#Based on Debconf::Format::822 by Joey Hess <joey@kitenet.net>.
package PARI::822;
use strict;
sub new { bless {} }
=d1 NAME
PARI::822::read -- Read Description files.
=head1 SYNOPSIS
$database->PARI::822::new();
$database->read($filename,$mode)
PARI::822::read(\%database,$filename,$mode)
=head1 DESCRIPTION
read the database file $filename and merge the information in the database.
Mode is a bitmap flag
mode&1: new values cannot overwrite old ones.
mode&2: new functions are not allowed.
=cut
sub read
{
local $/="\n";
local *FILE;
my ($ret,$file,$check)=@_;
$check=0 if (!defined($check));
my $invars=0;
my ($key, $value);
my $last_was_void=0;
my $entry;
my ($store) = sub {
$value =~ s/\s*$//;
if (!defined($ret->{$entry}->{$key}))
{
$ret->{$entry}->{$key}=$value;
}
elsif (($check&1) and $ret->{$entry}->{$key} ne $value)
{
die "Unmatched data: $entry: $key: $ret->{$entry}->{$key} ne $value";
}
};
open FILE,"<$file";
while (my $line = <FILE>)
{
chomp $line;
if ($invars && $line =~ /^\s/)
{
$line =~ s/^\s//;
$value.= ($last_was_void?"\n\n$line":"\n$line");
$last_was_void = 0; next;
}
$last_was_void = ($line =~ /^\s*$/);
next if ($last_was_void);
$store->() if ($invars);
($key, $value)=split(/:\s*/, $line, 2);
die("Bad entry in $file: $key") if (!defined($value));
if ($key eq 'Function')
{
$entry=$value;
die("New function $value") if (($check&2) and !defined($ret->{$entry}));
}
$invars=1;
}
$store->() if ($invars);
return 0;
}
=d1 NAME
PARI::822::write -- Write Description files.
=head1 SYNOPSIS
$database->PARI::822::new();
$database->write($filename)
PARI::822::write(\%database,STREAM)
=head1 DESCRIPTION
output a database to STREAM in canonical 822 format.
=cut
sub write
{
my @order=("Function","Class","Section","C-Name","Prototype","Help",
"Iterator","Wrapper","Description","Doc");
my %knowfields=map {$_ => 1} @order;
my %data=%{shift()};
my $STREAM=shift;
defined($STREAM) or $STREAM=*STDOUT;
foreach my $func (sort keys %data)
{
foreach my $field (@order)
{
my $val=$data{$func}->{$field};
next if (!defined($val));
$val =~ s/\n/\n /g;
print $STREAM $field.": $val\n";
}
foreach my $field (sort keys %{$data{$func}})
{
next if ($knowfields{$field});
my $val=$data{$func}->{$field};
$val =~ s/\n/\n /g;
print $STREAM $field.": $val\n";
}
print $STREAM "\n";
}
}
1;
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