# Copyright 2002-2007 Interchange Development Group and others

#

# 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

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version. See the LICENSE file for details.

UserTag diff Order current previous

UserTag diff attrAlias curr current prev previous

UserTag diff addAttr

UserTag diff Version 1.4

UserTag diff Routine <<EOR

sub {

my ($curr, $prev, $opt) = @_;

$opt->{flags} .= ' -c' if $opt->{context};

$opt->{flags} .= ' -u' if $opt->{unified};

my $data_opt = {};

$data_opt->{safe_data} = 1 if $opt->{safe_data};

unless($opt->{flags} =~ /^[-\s\w.]*$/) {

Log("diff tag: Security violation with flags: $opt->{flags}");

return "Security violation with flags: $opt->{flags}. Logged.";

}

my ($currfn, $prevfn);

if($curr =~ /^(\w+)::(.*?)::(.*)/) {

my ($table, $col, $key) = ($1, $2, $3);

$currfn = "tmp/$Vend::SessionName.current";

my $data = tag_data($table, $col, $key, $data_opt);

if ($opt->{ascii}) {

$data =~ s/\r\n?/\n/g;

$data .= "\n" unless substr($data, -1, 1) eq "\n";

}

Vend::Util::writefile(">$currfn", $data);

}

else {

$currfn = $curr;

}

if($prev =~ /^(\w+)::(.*?)::(.*)/) {

my ($table, $col, $key) = ($1, $2, $3);

$prevfn = "tmp/$Vend::SessionName.previous";

my $data = tag_data($table, $col, $key, $data_opt);

if ($opt->{ascii}) {

$data =~ s/\r\n?/\n/g;

$data .= "\n" unless substr($data, -1, 1) eq "\n";

}

Vend::Util::writefile(">$prevfn", $data);

}

else {

$prevfn = $prev;

}

#Debug("diff command: 'diff $opt->{flags} $prevfn $currfn'");

return `diff $opt->{flags} $prevfn $currfn`;

}

EOR