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#!/usr/local/bin/perl -w
=head1 NAME
stag-merge - script wrapper for the Data::Stag modules
=head1 SYNOPSIS
stag-merge -xml file1.xml file2.xml
=head1 DESCRIPTION
script wrapper for the Data::Stag modules
=head1 ARGUMENTS
=cut
use strict;
use Carp;
use Data::Stag qw(:all);
use Getopt::Long;
my $parser = "";
my $handler = "";
my $mapf;
my $tosql;
my $toxml;
my $toperl;
my $debug;
my $help;
my @interpose = ();
my @regexps = ();
my @add = ();
my $lc;
GetOptions(
"help|h"=>\$help,
"parser|format|p=s" => \$parser,
"handler|writer|w=s" => \$handler,
"interpose|i=s@" => \@interpose,
"add|a=s@" => \@add,
"regexp|re|r=s@"=> \@regexps,
"xml"=>\$toxml,
"perl"=>\$toperl,
"lc"=>\$lc,
"debug"=>\$debug,
);
if ($help) {
system("perldoc $0");
exit 0;
}
my @files = @ARGV;
foreach my $fn (@files) {
my $tree =
Data::Stag->parse($fn,
$parser);
if ($lc) {
$tree->iterate(sub {
my $s = shift;
my $e = $s->element;
my $orig = $e;
$e = lc($e);
$s->element($e) unless $e eq $orig;
return
});
}
foreach my $regexp (@regexps) {
$tree->iterate(sub {
my $s = shift;
my $e = $s->element;
my $orig = $e;
eval "\$e =~ $regexp";
$s->element($e) unless $e eq $orig;
return
});
}
foreach (@add) {
$tree->where($_,
sub {
my $terminal = shift;
my $el = $terminal->element;
$terminal->data([Data::Stag->new($el=>$terminal->data)]);
$terminal->element($el . "_data");
});
}
foreach (@interpose) {
my ($from, $to, $inter) = split(/\,/, $_);
if (!$to) {
($from, $to) = ('', $from);
}
my @adds = ();
$tree->iterate(
sub {
my $outer = shift;
return if $outer->isterminal;
if ($from && $outer->element ne $from) {
return;
}
my @inner = $outer->get($to);
return unless @inner;
$outer->unset($to);
foreach (@inner) {
my $ie = $inter;
if (!$ie) {
$ie = $outer->element .'_'. $to;
}
my $x = Data::Stag->new($ie=>[$_]);
# $outer->add($inter, $x);
push(@adds, [$outer, $ie, $x]);
# print STDERR $outer->xml;
}
});
foreach (@adds) {
my ($outer, $inter, $x) = @$_;
$outer->add($inter, $x);
}
}
if ($toxml) {
print $tree->xml;
}
else {
$tree->generate(-fmt=>$handler);
}
}
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