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Generated: Mon Aug 29 19:34:26 2016 from fg-ac.pl 2014/10/28 72.4 KB. text copy

#!/usr/bin/perl -w
# NAME: fg-ac.pl
# AIM: Given a FG data directory, enumerate the AIRCRAFT found
# 23/10/2014 - Revisit...
# 05/12/2010 - Update - move good functions to a 'lib_xml.pl'
# 2010-01-09 - initial cut - geoff - bugs: report@geoffair.info
#
#<PropertyList>
# <sim>
#  <flight-model>yasim</flight-model>
#  <status>alpha</status>
#  <author>Lee Elliott</author>
#  <aero>MiG-15bis-yasim</aero>
# other things...
#BEGIN {
#   @INC = qw(/etc/perl /usr/local/lib/perl5/site_perl/5.10.1 /usr/local/lib/perl5/5.10.1 /usr/lib/perl5 /usr/share/perl5 #/usr/local/share/perl/5.8.8 /usr/lib/perl/5.8 /home/geoff/bin);
#}
use strict;
use warnings;
use File::Basename;
use Cwd;
my $perl_root = 'C:\GTools\perl';
#unshift(@INC, '/home/geoff/bin');
#require "logfileu.pl" or die "ERROR: Unable to load logfileu.pl";
unshift(@INC, $perl_root);
require 'lib_utils.pl' or die "Unable to load 'lib_utils.pl'! Check location and \@INC content.\n";
require 'lib_xml.pl' or die "Unable to load 'lib_xml.pl'! Check location and \@INC content.\n";
#require "logfile.pl" or die "ERROR: Unable to load logfile.pl";
#require "xmlgparse.pl" or die "ERROR: Unable to load xmlgparse.pl";
# log file stuff
our ($LF);
my $pgmname = $0;
if ($pgmname =~ /(\/|\\)/) {
   my @tmpsp = split(/(\/|\\)/,$pgmname);
   $pgmname = $tmpsp[-1];
}
#my $outfile = "/tmp/temp.".$pgmname.".txt";
my $outfile = $perl_root."\\temp.".$pgmname.".txt";
my $output_file = $perl_root."\\tempair.txt";
my $set_file_list = $perl_root."\\tempset.txt";

open_log($outfile);

my $os = $^O;
prt("$pgmname: Running in $os...\n");
my $VERS = "0.0.3 2014-10-23";
###my $VERS = "0.0.2 2010-12-05";

my $inp_dir = "X:\\fgdata";
#my $inp_dir = "F:\\fgdata";
#my $inp_dir = "C:\\FGCVS\\FlightGear\\data";
#my $inp_dir = "/home/geoff/fg/fg7/fgfs/data";
# Just as a reminder: Last year's FlightGear 1.9.1 came out with the following 
# selection of aircraft:
# Airliner                        : Boeing 777-200
# World War II Fighter            : A6M2  "Zero"
# Small TurboProp                 : b1900d
# Helicopter                      : bo105
# Small Prop                      : Cessna 172p
# Small Business Jet              : Cessna Citation X
# Ultralight                      : Moyes Dragonfly
# Aerotowing Capable / Seaplane   : DeHavilland Dhc2
# Omnipowerful Jet Fighter        : F-14b
# Light Prop                      : Piper j3cub
# Light Twin Prop                 : SenecaII
# Historic Warbird                : Sopwidth Camel
# Not of this Earth               : UFO
# Airship                         : Zeppelin-NT

# 2010-12-18 Changed "j3cub/j3cub-set.xml" to "Cub/Cub-set.xml", and 'j3cub' to 'Cub', and some others....

my @rel_ac = qw(777-200ER A6M2 b1900d bo105 c172p citation dragonfly dhc2w f-14b Cub 
senecaII sopwithCamel ufo ZLT-NT);

my @rel_ac_set = ("777-200/777-200ER-set.xml", "A6M2/A6M2-jsbsim-set.xml", "b1900d/b1900d-set.xml",
"bo105/bo105-set.xml", "c172p/c172p-set.xml", "CitationX/CitationX-set.xml", "Dragonfly/Dragonfly-set.xml",
"dhc2/dhc2W-set.xml", "f-14b/f-14b-set.xml", "Cub/Cub-set.xml", "SenecaII/SenecaII-panelonly-set.xml",
"sopwithCamel/sopwithCamel-YASim-set.xml", "ufo/ufo-set.xml", "ZLT-NT/ZLT-NT-set.xml");

my %rel_aircraft = (
    '777-200ER'    => "Modern Day Airliner (Boeing)",
    'A6M2'         => "World War II Fighter",
    'b1900d'       => "Twin Propliner",
    'bo105'        => "Helicopter",
    'c172p'        => "Single Engine GA",
    'citation'     => "Twin Small Turbo Jet",
    'dragonfly'    => "Ultralight",
    'dhc2w'        => "Rugged Bushplane (Dehavilland)",
    'f-14b'        => "Modern Fighter",
    'Cub'          => "Light Towplane",
    'senecaII'     => "Small twin piston prop",
    'sopwithCamel' => "Historic aricraft",
    'ufo'          => "Secret",
    'ZLT-NT'       => "Advanced lighter-than-air vehicle"
    );

# features
my $load_log = 1;
my $max_path_len = 35;
my $show_parse_options = 0;
my $do_new_stuff = 0;
my $conv_pre_text_cr = 1;
my $thorn_list = 'C:\Documents and Settings\Geoff McLane\My Documents\FG\aircraft-02.txt';
my %g_thorn_list = ();

sub load_thorn_list($) {
    my ($inf) = @_;
    my $rtl = \%g_thorn_list;
    my ($line,$len,@arr,$ac,$val,$had_val,$pval,$tmp,$lnn,$ra);
    $val = 9999;
    $had_val = 0;
    if (open INF, "<$inf") {
        my @lines = <INF>;
        close INF;
        foreach $line (@lines) {
            $lnn++;
            $line = trim_all($line);
            $len = length($line);
            next if ($len == 0);
            if ($line =~ /^\#\s+----\s+(\d+)\s+---/) {
                $tmp = $1;
                $pval = $val;
                $val = $tmp;
                $had_val = 1;
                if ($val > $pval) {
                    pgm_exit(1,"$lnn: Got value [$val], previous $pval OUT oF ORDER\n");
                }
            }
            next if ($line =~ /^\#/);
            if ($had_val) {
                my @air = ();
                @arr = split(/,/,$line);
                foreach $ac (@arr) {
                    $ac = trim_all($ac);
                    next if (length($ac) == 0);
                    #$g_thorn_list{$ac} = 1;
                    push(@air,$ac);
                }
                if (@air) {
                    ${$rtl}{$val} = \@air;
                    # $g_thorn_list{$val} = \@air;
                }
                $had_val = 0;
            }
        }
        $len = 0;
        #foreach $val (keys %g_thorn_list)
        $len = 0;
        foreach $val (keys %{$rtl}) {
            $ra = ${$rtl}{$val};
            $len += scalar @{$ra};
        }
        prt("Loaded $len a/c, from [$inf]\n");
    } else {
        prt("WARNING: File [$inf] NOT FOUND!\n");
    }
}


# options during parse
my $XO_SHOW1 = 1;
my $XO_SHOW2 = 2;
my $XO_SHOW3 = 4;
my $XO_SHOW4 = 8;

# element types
my $XT_HEADER  = 1;  # xml header <?xml ... ?>
my $XT_COMMENT = 2;  # comments   <!-- ... -->
my $XT_DOCTYPE = 3;  # doctype    <!DOCTYPE ... [ <!-- ... -->  ]>
my $XT_CDATA   = 4;  # cdata      <![CDATA[ ... ]]>
# elements
my $XT_ELE1    = 5;  #  simple   <element[ attribs]>
my $XT_ELE2    = 6;  #  closed   </element>
my $XT_ELE3    = 7;  #  complete <element[ attribs]/>

my %xml_type_names = (
   $XT_HEADER  => 'header',
   $XT_COMMENT => 'comment',
   $XT_DOCTYPE => 'doctype',
   $XT_CDATA   => 'cdata',
   $XT_ELE1    => 'open',
   $XT_ELE2    => 'close',
   $XT_ELE3    => 'complete'
   );

# special hash strings
my $x_cont = 'ContentArray';
my $x_warn = 'ErrorWarnings';
my $x_root = 'DocRoot';
my $x_file = 'FileName';

# stacked in an array
my $XAO_TYPE   = 0;
my $XAO_TEXT   = 1;
my $XAO_TAG    = 2;
my $XAO_PRE    = 3;
my $XAO_LNNUM  = 4;
my $XAO_STACK  = 5;

my @warnings = ();

# debug
my $dbg_01 = 0; # prt("[dbg_01] Found [$sf]\n") if ($dbg_01);
my $dbg_02 = 0; # prt("[$dbg_02] COMMENT:[$tag]\n") if ($dbg_02);
my $dbg_03 = 0; # prt("[dbg_03] HEAD:[$tag]\n") if ($dbg_03);
my $dbg_04 = 0; # prt("[dbg_04] CLOSE1:[$tag]\n") if ($dbg_04);
my $dbg_05 = 0; # prt("[dbg_05] $lnn:$cols: Stacked 1 [$currtag]\n") if ($dbg_05);
my $dbg_06 = 0; # prt("[dbg_06] $lnn:$cols: Stacked 2 [$currtag]\n") if ($dbg_06);
my $dbg_07 = 0; # prt("[dbg_07] $lnn:$cols: UNStacked 1 [$tmptag], currtag [$currtag]\n") if ($dbg_07);
my $dbg_08 = 0; # prt("[dbg_08] $lnn:$cols: UNStacked 2 [$tmptag], currtag [$currtag]\n") if ($dbg_08);
my $dbg_09 = 0; # prt("[dbg_09] Done $lnn lines, from [$fil]. $len chars...\n") if ($dbg_09);
my $dbg_10 = 0; # prt("[dbg_10] $lnn: END CDATA:<$tag>\n") if ($dbg_10);

#my $test_in_file = "C:\\FGCVS\\FlightGear\\data\\Aircraft\\14bis\\14bis-set.xml";
my $test_in_file = '';
# #############################################################
# ### FUNCTIONS ###

my $verbosity = 0;
sub VERB1() { return ($verbosity > 0); }
sub VERB2() { return ($verbosity > 1); }
sub VERB5() { return ($verbosity > 4); }
sub VERB9() { return ($verbosity > 8); }

sub prtw($) {
   my ($tx) = shift;
   $tx =~ s/\n$//;
   prt("$tx\n");
   push(@warnings,$tx);
}

sub show_warnings() {
   if (@warnings) {
      prt( "\nGot ".scalar @warnings." WARNINGS...\n" );
      foreach my $itm (@warnings) {
         prt("$itm\n");
      }
      prt("\n");
   } else {
      prt( "No warnings issued.\n\n" );
   }
}

sub pgm_exit($$) {
   my ($val,$msg) = @_;
   if (length($msg)) {
      $msg .= "\n" if ( !($msg =~ /\n$/) );
      prt($msg);
   }
   show_warnings();
   close_log($outfile,$load_log);
   exit($val);
}

sub short_form_file_name($) {
   my ($fil) = @_;
   my $len = length($fil);
   if ($len > $max_path_len) {
      my ($nm,$dir) = fileparse($fil);
      my $len2 = length($nm);
      if ($len2 > $max_path_len) {
         return $nm;
      }
      my $bal = $max_path_len - $len2;
      return substr($fil,0,$bal)."...$nm";
   }
   return $fil;
}

sub is_rel_set_file($) {
   my ($fil) = @_;
   my $off = 0;
   my $lcfil = lc($fil);
   $lcfil =~ s/\\/\//g;
   foreach my $f (@rel_ac_set) {
      $off++;
      my $lcf = lc($f);
      $lcf =~ s/\\/\//g;
      return $off if ($lcf eq $lcfil);
   }
   if ($lcfil =~ /^ufo\/ufo/i) {
      pgm_exit(1,"UFO FILE NOT FOUND!!! [$fil]??????? [$lcfil]");
   }
   return 0;
}

sub sub_common_dir($$) {
   my ($rd,$nd) = @_;
   my $len = length($rd);
   my $lnd = length($nd);
   $len = $lnd if ($lnd < $len);
   my ($i,$c1,$c2);
   for ($i = 0; $i < $len; $i++) {
      $c1 = substr($rd,$i,1);
      $c2 = substr($nd,$i,1);
      if ($c1 =~ /(\\|\/)/) {
         last if !($c2 =~ /(\\|\/)/);
      } else {
         last if ($c1 ne $c2);
      }
   }
   $c1 = substr($nd,$i);
   if (($i == $len)&&($c1 =~ /^(\\|\/)/)) {
      $c1 = substr($c1,1);
   }
   return $c1
}

sub process_dir($$$$) {
   my ($dir,$fil,$rcnt,$rsfa) = @_;
   my $ff = "$dir/$fil";
   my $sf = "$ff/$fil-set.xml";
   my @sfiles = ();
   my ($f,$sf1,@fils,$fcnt);
   
   $fcnt = 0;
   if (opendir(DIR,$ff)) {
      @fils = readdir(DIR);
      closedir DIR;
      foreach $f (@fils) {
         next if (($f eq '.')||($f eq '..'));
         if ($f =~ /-set.xml$/) {
            $sf1 = "$ff/$f";
            $sf = '' if ($sf1 eq $sf);
            push(@sfiles,$sf1);
         }
      }
   }
   #if (length($sf) && ( -f $sf )) {
   #   $fcnt++;
   #   prt("Found [$sf]\n");
   #}
   foreach $sf (@sfiles) {
      if ( -f $sf ) {
         $fcnt++;
         prt("[dbg_01] Found [$sf]\n") if ($dbg_01);
      }
   }
   ${$rcnt} += $fcnt;
   if ($fcnt == 0) {
      prt("No set files found in [$ff]\n") if (VERB9());
   } else {
      push(@{$rsfa},@sfiles);
   }
}


sub process_files($$) {
   my ($dir,$rar) = @_;
   my $fcnt = scalar @{$rar};
   my $ac_dir = "$dir/Aircraft";
   prt("Got $fcnt items, from [$ac_dir] to process...\n");
   my ($fil,$dcnt,$scnt,$scnt2);
   $dcnt = 0;
   $fcnt = 0;
   $scnt = 0;
   my @setfiles = ();
   foreach $fil (@{$rar}) {
      next if (($fil eq '.')||($fil eq '..'));
      my $ff = "$dir/$fil";
      if ( -d $ff ) {
         $dcnt++;
         process_dir($dir,$fil,\$scnt,\@setfiles);
      } elsif ( -f $ff ) {
         $fcnt++;
      } else {
         prt("WHAT IS THIS? [$fil]! full [$ff]!\n");
      }
   }
   $scnt2 = scalar @setfiles;
   prt("Done $dcnt directories, $scnt xml set files...($scnt2)\n");
   if (length($set_file_list)) {
       if (open SF,">$set_file_list") {
           printf SF join("\n",@setfiles)."\n";
           close SF;
           prt("Written list to $set_file_list...\n");
       }
   }
   return \@setfiles;
}

sub xml_get_type_name($) {
   my ($typ) = shift;
   if (defined $xml_type_names{$typ}) {
      return $xml_type_names{$typ};
   }
   return 'Unknown $typ!';
}

sub is_cdata($) {
   my ($txt) = @_;
   if ($txt =~ /^\[CDATA\[/) {
      return 1;
   }
   return 0;
}

sub ret_stack_text_simple($) {
   my ($ra) = @_;
   my $rtxt = '';
   foreach my $tx (@{$ra}) {
      $rtxt .= '/' if (length($rtxt));
      $rtxt .= $tx;
   }
   return $rtxt;
}

sub ret_stack_text_arr($) {
   my ($ra) = @_;
   my $rtxt = '';
   foreach my $tx (@{$ra}) {
      $rtxt .= '/' if (length($rtxt));
      $rtxt .= ${$tx}[0];
   }
   return $rtxt;
}

##################################################################
### Have open element <foo followed by k=v attributes
sub get_att_ref($) {
   my ($txt) = @_;
   $txt = substr($txt,1) while ($txt =~ /^\s/); # clear any leading spaces
   my $len = length($txt);
   my ($i,$cc,$key,$val);
   $i = 0;
   my %h = ();
   while ($i < $len) {
      $key = '';
      for (; $i < $len; $i++) {
         $cc = substr($txt,$i,1);
         if ($cc eq '=') {
            $i++;
            $cc = substr($txt,$i,1);
            last;
         }
         $key .= $cc;
      }
      return \%h if ($cc ne '"');
      $i++;
      $val = '';
      for (; $i < $len; $i++) {
         $cc = substr($txt,$i,1);
         last if ($cc eq '"');
         $val .= $cc;
      }
      # SET THE KEY=VALUE
      #################################
      $h{$key} = $val;
      #################################
      $i++; # bump over 2nd inverted commas
      # and eat any spaces
      for (; $i < $len; $i++) {
         $cc = substr($txt,$i,1);
         last if ( !($cc =~ /\s/) );
      }
   }
   return \%h;
}

sub check_ele_stack($$$) {
   my ($res,$rw,$opts) = @_;
   my $cnt = scalar @{$res};
   if ($cnt) {
      my $wrap = 4;
      my $msg = "WARNING: Still $cnt items ON THE STACK! ";
      my $tcnt = 0;
      $msg .= "\n" if ($cnt > $wrap);
      for (my $i = 0; $i < $cnt; $i++) {
         my $refts = ${$res}[$i];
         my $toptag = ${$refts}[0];
         my $toplnn = ${$refts}[1];
         $msg .= "[".$toptag."]($toplnn) ";
         $tcnt++;
         if ($tcnt > $wrap) {
            $tcnt = 0;
            $msg .= "\n";
         }
      }
      push(@{$rw},$msg);
      prtw("$msg\n") if ($opts & $XO_SHOW4);
   }
}

########################################################################
### scan an XML text string
# element types
# xml header <?xml ... ?>
# comments   <!-- ... -->
# doctype    <!DOCTYPE ... [ <!-- ... -->  ]>
# cdata      <![CDATA[ ... ]]>
# elements
#  simple   <element attribs>
#  closed   </element>
#  complete <element attribs/>
sub scan_xml_text($$$) {
   my ($fil,$text,$opts) = @_;
   my $len = length($text);
   prt("Process file [$fil], $len characters...\n") if ($opts & $XO_SHOW1);
   my ($i,$cc,$pretxt,$lnn,$element);
   my ($xitem,$pc,$ppc,$pppc);
   my ($eletyp,$eleref,$pele,$plnn);
   my ($stkcnt,$bgnlnn,$stktxt,$msg);
   my ($atttxt);
   my %xmlhash = ();
   my %xh2 = ();
   my $rxmlhash = \%xmlhash;
   my $rh2 = \%xh2;
   my ($attref,$chr);
   my @elestack = ();
   my @xmlarray = ();
   my @warns = ();
   my @error = ();
   my $doc_root = '';
   my $dr_line = 0;
   my $doc_error = 0;
   $i = 0;
   $lnn = 0;
   $pretxt = '';
   $element = '';
   $cc = '';
   $pc = '';
   $ppc = '';
   $pppc = '';
   while (($i < $len) && !$doc_error) {
      $eletyp = 0;
      # accumulate text before an element
      $pretxt = '';
      for (; $i < $len; $i++) {
         $cc = substr($text,$i,1);
         $lnn++ if ($cc eq "\n");
         last if ($cc eq '<');
         $pretxt .= $cc;
      }
      # accumulate the element
      $bgnlnn = $lnn;
      $element = '';
      $i++; # bump past '<' char
      for (; $i < $len; $i++) {
         $pppc = $ppc;
         $ppc = $pc;
         $pc = $cc;
         $cc = substr($text,$i,1);
         $lnn++ if ($cc eq "\n");
         last if (($cc eq '>')||($cc =~ /\s/)); # stop on '>' OR a SPACE, or out of chars
         $element .= $cc# accumulate element
      }

      next if (length($element) == 0);

      # got an XML element - either <.......> or <..... 
      prt("$lnn: Process element [$element]\n") if ($opts & $XO_SHOW1);

      $stktxt = ret_stack_text_arr(\@elestack);
      # determine element type
      if ($element =~ /^\?xml/i) {
         $eletyp = $XT_HEADER; # is xml header
         $xitem = $element;
         if ($cc ne '>') {
            for (; $i < $len; $i++) {
               $cc = substr($text,$i,1);
               $lnn++ if ($cc eq "\n");
               last if ($cc eq '>');
               $xitem .= $cc;
            }
         }
         # store head
         #    $XAO_        TYPE     TEXT    TAG       PRE      LNNUM
         push(@xmlarray, [ $eletyp, $xitem, $element, $pretxt, $bgnlnn, $stktxt ]);
         prt("$lnn: Done HEADER <$xitem> END HEADER\n") if ($opts & $XO_SHOW2);

         # new stuff
         if ($do_new_stuff) {
            $attref = get_att_ref("");
            $element = "==xml_header==";
            $stktxt = $element; # ret_stack_text(\@elestack);
            $pretxt =~ s/\n/\\n/g if ($conv_pre_text_cr);
            $chr = xml_get_content_hr($eletyp,$pretxt,$xitem,$attref);
            xml_set_hash_ref_value($stktxt,$rh2,$element,$chr);
         }
         $pretxt = '';
         $element = '';
         $i++; # skip last '>'
      } elsif ($element =~ /^!--/) {
         $eletyp = $XT_COMMENT# comment
         $xitem = $element;
         if (!(($cc eq '>')&&($pc eq '-')&&($ppc eq '-'))) {
            $pc = '*'# make sure not trapped by <!-->
            for (; $i < $len; $i++) {
               $ppc = $pc;
               $pc = $cc;
               $cc = substr($text,$i,1);
               $lnn++ if ($cc eq "\n");
               last if (($cc eq '>')&&($pc eq '-')&&($ppc eq '-'));
               $xitem .= $cc;
            }
         }
         #    $XAO_        TYPE     TEXT    TAG       PRE      LNNUM
         push(@xmlarray, [ $eletyp, $xitem, $element, $pretxt, $bgnlnn, $stktxt ]);
         prt("$lnn: Done COMMENT <$xitem> END COMMENT\n") if ($opts & $XO_SHOW2);

         # new stuff
         if ($do_new_stuff) {
            $element = "==xml_comment==";
            $attref = get_att_ref("");
            $stktxt = $element;
            $pretxt =~ s/\n/\\n/g if ($conv_pre_text_cr);
            $chr = xml_get_content_hr($eletyp,$pretxt,$xitem,$attref);
            xml_set_hash_ref_value($stktxt,$rh2,$element,$chr);
         }
         $element = '';
         $pretxt = '';
         $i++; # skip last '>'
      } elsif ($element =~ /^!DOCTYPE/) {
         $eletyp = $XT_DOCTYPE# doctype - $cc has to be a SPACE
         $xitem = $element;
         if ($cc ne '>') {
            for (; $i < $len; $i++) {
               $cc = substr($text,$i,1);
               $lnn++ if ($cc eq "\n");
               last if ($cc eq '>');
               $xitem .= $cc;
               if ($cc eq '[') { # enter DOCTYPE comment
                  $i++;
                  for (; $i < $len; $i++) {
                     $pppc = $ppc;
                     $ppc = $pc;
                     $pc = $cc;
                     $cc = substr($text,$i,1);
                     $lnn++ if ($cc eq "\n");
                     $xitem .= $cc;
                     last if ($cc eq ']');
                     if (($cc eq '-')&&($pc eq '-')&&($ppc eq '!')&&($pppc eq '<')) {
                        # entered comment in doctype
                        $i++;
                        $pppc = $ppc;
                        $ppc = $pc;
                        $pc = $cc;
                        $cc = substr($text,$i,1);
                        $lnn++ if ($cc eq "\n");
                        $xitem .= $cc;
                        $i++;
                        for (; $i < $len; $i++) {
                           $pppc = $ppc;
                           $ppc = $pc;
                           $pc = $cc;
                           $cc = substr($text,$i,1);
                           $lnn++ if ($cc eq "\n");
                           $xitem .= $cc;
                           last if (($cc eq '>')&&($pc eq '-')&&($ppc eq '-'));
                        }
                     }
                  }
               }
            }
         } else {
            $msg = "ERROR:$lnn: Closed DOCTYPE> - mal-formed XML!";
            push(@error,$msg);
            prtw("$msg\n") if ($opts & $XO_SHOW4);
            $doc_error++;
            last;
         }
         #    $XAO_        TYPE     TEXT    TAG       PRE      LNNUM
         push(@xmlarray, [ $eletyp, $xitem, $element, $pretxt, $bgnlnn, $stktxt ]);
         prt("$lnn: Done DOCTYPE <$xitem> END DT\n") if ($opts & $XO_SHOW2);
         # new stuff
         if ($do_new_stuff) {
            $element = "==xml_doctype==";
            $attref = get_att_ref("");
            $stktxt = $element;
            $pretxt =~ s/\n/\\n/g if ($conv_pre_text_cr);
            $chr = xml_get_content_hr($eletyp,$pretxt,$xitem,$attref);
            xml_set_hash_ref_value($stktxt,$rh2,$element,$chr);
         }
         $pretxt = '';
         $element = '';
         $i++; # skip last '>'
      } elsif ($element =~ /^!\[CDATA\[/) {
         $eletyp = $XT_CDATA; # CDATA
         $xitem = $element;
         if (!(($cc eq '>') && ($pc eq ']') && ($ppc eq ']'))) {
            for (; $i < $len; $i++) {
               $ppc = $pc;
               $pc = $cc;
               $cc = substr($text,$i,1);
               $lnn++ if ($cc eq "\n");
               last if (($cc eq '>')&&($pc eq ']')&&($ppc eq ']'));
               $xitem .= $cc;
            }
         }
         prt("$lnn: Done CDATA <$xitem> END CDATA\n") if ($opts & $XO_SHOW2);
         #    $XAO_        TYPE     TEXT    TAG       PRE      LNNUM
         push(@xmlarray, [ $eletyp, $xitem, $element, $pretxt, $bgnlnn, $stktxt ]);
         # new stuff
         if ($do_new_stuff) {
            $element = "==xml_cdata==";
            $attref = get_att_ref("");
            $stktxt = $element;
            $pretxt =~ s/\n/\\n/g if ($conv_pre_text_cr);
            $chr = xml_get_content_hr($eletyp,$pretxt,$xitem,$attref);
            xml_set_hash_ref_value($stktxt,$rh2,$element,$chr);
         }
         $element = '';
         $pretxt = '';
         $i++; # skip last '>'
      }

      # =================================================================
      if (length($element)) {
         # an element, which may be complete ie end in '/>', and may have attributes a="b"
         $attref = get_att_ref(""); # get a BLANK attribute reference
         $xitem = $element;
         if ($cc ne '>') {
            for (; $i < $len; $i++) {
               $pc = $cc;
               $cc = substr($text,$i,1);
               $lnn++ if ($cc eq "\n");
               last if ($cc eq '>');
               $xitem .= $cc;
            }
         }
         if ($element =~ /^\//) {
            $element = substr($element,1);
            $eletyp = $XT_ELE2;   # open, now closed - so pop
         } elsif ($pc eq '/') {
            # open/close element
            $eletyp = $XT_ELE3;
         } else {
            $eletyp = $XT_ELE1;   # open, so push
         }

         # Deal with ELEMENT types
         # =======================
         if ($eletyp == $XT_ELE1) {
            # open <tag [attrs]>
            $atttxt = $xitem;
            $atttxt =~ s/^$element//;
            $attref = get_att_ref($atttxt);
            push(@elestack,[$element,$lnn,$attref]);
            $stkcnt = scalar @elestack;
            if ($stkcnt == 1) {
               if (length($doc_root)) {
                  $msg = "ERROR:$lnn: Have doc root [$doc_root]($dr_line), now 2nd root [$element]($lnn)!";
                  push(@error,$msg);
                  prtw("$msg\n") if ($opts & $XO_SHOW4);
                  $doc_error++;
                  last;
               }
               $doc_root = $element;
               $dr_line = $lnn;
            }
            prt("$lnn: PUSHED [$element] ($stkcnt)\n") if ($opts & $XO_SHOW3);
         } elsif ($eletyp == $XT_ELE2) {
            # close </tag>
            if (@elestack) {
               $eleref = $elestack[-1];
               $pele   = ${$eleref}[0];
               $plnn   = ${$eleref}[1];
               if ($element eq $pele) {
                  $attref = ${$eleref}[2];
                  pop @elestack;
                  $stkcnt = scalar @elestack;
                  prt("$lnn: POPPED [$element] ($stkcnt)\n") if ($opts & $XO_SHOW3);
               } else {
                  $msg = "WARNING:$lnn: Element [$element] NOT last. Last is [$pele]($plnn)! NO POP";
                  push(@warns,$msg);
                  prtw("$msg\n") if ($opts & $XO_SHOW4);
               }
            } else {
               $msg = "WARNING:$lnn: Element [$element] NOT ON EMPTY STACK! NO POP";
               push(@warns,$msg);
               prtw("$msg\n") if ($opts & $XO_SHOW4);
            }
         } elsif ($eletyp == $XT_ELE3) {
            # complete <tag [attrs]/>
            $atttxt = $xitem;
            $atttxt =~ s/^$element//;
            $attref = get_att_ref($atttxt);
         }
         #    $XAO_        TYPE     TEXT    TAG       PRE      LNNUM
         push(@xmlarray, [ $eletyp, $xitem, $element, $pretxt, $bgnlnn, $stktxt ]);
         if ($do_new_stuff) {
            if ($eletyp == $XT_ELE2) {
               # new stuff
               $chr = xml_get_content_hr($eletyp,$pretxt,$xitem,$attref);
               xml_set_hash_ref_value($stktxt,$rh2,$element,$chr);
            } elsif ($eletyp == $XT_ELE3) {
               # new stuff
               $stktxt .= "/$element";
               $chr = xml_get_content_hr($eletyp,$pretxt,$xitem,$attref);
               xml_set_hash_ref_value($stktxt,$rh2,$element,$chr);
            }
         }
         $pretxt = '';
         $element = '';
         $i++; # skip last '>'
      }
   }
   if ($i < $len) {
      $msg = "WARNING:$lnn: Still ".($len - $i)." characters in file [$fil] NOT PARSED!";
      push(@warns,$msg);
      prtw("$msg\n") if ($opts & $XO_SHOW4);
   }

   check_ele_stack(\@elestack,\@warns,$opts); # if (!$doc_error);

   if ($do_new_stuff) {
      #prt(reduce_indent_5_2(Dumper($rh2)));
   }

   # fill up the HASH with collections
   # =================================
   ${$rxmlhash}{$x_warn} = [ \@warns, \@errorif (@warns || @error);
   ${$rxmlhash}{$x_cont} = \@xmlarray;
   ${$rxmlhash}{$x_root} = $doc_root;
   ${$rxmlhash}{$x_file} = $fil;
   # =================================
   return $rxmlhash;
}

#   my ($set,$parser,$root,$root_children,$element,$root_tag_name,$aero_text,$roots_children);
#      $parser = XML::Parser::Wrapper->new;
#      $root = $parser->parse({ file => $set });
#      #$root = $parser->parse($set);
#      $root_tag_name = $root->name;
#      $roots_children = $root->elements;
#      foreach $element (@$roots_children) {
#         if ($element->name eq 'aero') {
#            $aero_text = $element->text; # eq "Hello World!"
#            prt("$aero_text\n");
#            exit(1)
#         }
#     }
# my $aero_element = $root3->first_element('aero');
# my $head_elements = $root->elements('head2');
# my $test = $root->element('head2')->first_element('test_tag');
sub parse_xml_text($$) {
   my ($fil,$text) = @_;
   return scan_xml_text($fil,$text,0);
}

sub parse_xml_text_warning($$) {
   my ($fil,$text) = @_;
   my %hash = ();
   my ($len,$i,$cc,$lnn);
   $len = length($text);
   $lnn = 1;
   my $opts = $show_parse_options;
   my ($pretxt,$element,$stktxt,$eletyp,$xitem,$bgnlnn);
   my ($pc,$ppc,$pppc,$msg,$doc_error);
   my ($attref,$atttxt,$stkcnt);
   my ($doc_root,$dr_line,$eleref,$pele,$plnn);
   my @elestack = ();
   my @xmlarray = ();
   my @error = ();
   my @warns = ();
   my $rxmlhash = \%hash;
   $pc = '';
   $ppc = '';
   $doc_error = 0;
   $doc_root = '';
   $i = 0;
   while ($i < $len) {
      $pretxt = ''# store text BEFORE '<'
      for ( ; $i <$len ; $i++) {
         $cc = substr($text,$i,1);
         $lnn++ if ($cc eq "\n");
         last if ($cc eq '<');
         $pretxt .= $cc;
      }
      $bgnlnn = $lnn;
      $i++;
      # got START of ELEMENT
      $element = '';
      for ( ; $i <$len ; $i++) {
         $cc = substr($text,$i,1);
         $lnn++ if ($cc eq "\n");
         last if (($cc eq '>')||($cc =~ /\s/));
         $element .= $cc;
      }
      # got END of ELEMENT, or SPACE - decide what we got
      $stktxt = ret_stack_text_arr(\@elestack);
      # determine element type
      if ($element =~ /^\?xml/i) {
         $eletyp = $XT_HEADER; # is xml header
         $xitem = $element;
         if ($cc ne '>') {
            for (; $i < $len; $i++) {
               $cc = substr($text,$i,1);
               $lnn++ if ($cc eq "\n");
               last if ($cc eq '>');
               $xitem .= $cc;
            }
         }
         # store head
         #    $XAO_        TYPE     TEXT    TAG       PRE      LNNUM
         push(@xmlarray, [ $eletyp, $xitem, $element, $pretxt, $bgnlnn, $stktxt ]);
         prt("$lnn: Done HEADER <$xitem> END HEADER\n") if ($opts & $XO_SHOW2);
         # ===================================================================
         $pretxt = '';
         $element = '';
         $i++; # skip last '>'
      } elsif ($element =~ /^!--/) {
         $eletyp = $XT_COMMENT# comment
         $xitem = $element;
         if (!(($cc eq '>')&&($pc eq '-')&&($ppc eq '-'))) {
            $pc = '*'# make sure not trapped by <!-->
            for (; $i < $len; $i++) {
               $ppc = $pc;
               $pc = $cc;
               $cc = substr($text,$i,1);
               $lnn++ if ($cc eq "\n");
               last if (($cc eq '>')&&($pc eq '-')&&($ppc eq '-'));
               $xitem .= $cc;
            }
         }
         #    $XAO_        TYPE     TEXT    TAG       PRE      LNNUM
         push(@xmlarray, [ $eletyp, $xitem, $element, $pretxt, $bgnlnn, $stktxt ]);
         prt("$lnn: Done COMMENT <$xitem> END COMMENT\n") if ($opts & $XO_SHOW2);
         # ===================================================================
         $pretxt = '';
         $element = '';
         $i++; # skip last '>'
      } elsif ($element =~ /^!DOCTYPE/) {
         $eletyp = $XT_DOCTYPE# doctype - $cc has to be a SPACE
         $xitem = $element;
         if ($cc ne '>') {
            for (; $i < $len; $i++) {
               $cc = substr($text,$i,1);
               $lnn++ if ($cc eq "\n");
               last if ($cc eq '>');
               $xitem .= $cc;
               if ($cc eq '[') { # enter DOCTYPE comment
                  $i++;
                  for (; $i < $len; $i++) {
                     $pppc = $ppc;
                     $ppc = $pc;
                     $pc = $cc;
                     $cc = substr($text,$i,1);
                     $lnn++ if ($cc eq "\n");
                     $xitem .= $cc;
                     last if ($cc eq ']');
                     if (($cc eq '-')&&($pc eq '-')&&($ppc eq '!')&&($pppc eq '<')) {
                        # entered comment in doctype
                        $i++;
                        $pppc = $ppc;
                        $ppc = $pc;
                        $pc = $cc;
                        $cc = substr($text,$i,1);
                        $lnn++ if ($cc eq "\n");
                        $xitem .= $cc;
                        $i++;
                        for (; $i < $len; $i++) {
                           $pppc = $ppc;
                           $ppc = $pc;
                           $pc = $cc;
                           $cc = substr($text,$i,1);
                           $lnn++ if ($cc eq "\n");
                           $xitem .= $cc;
                           last if (($cc eq '>')&&($pc eq '-')&&($ppc eq '-'));
                        }
                     }
                  }
               }
            }
         } else {
            $msg = "ERROR:$lnn: Closed DOCTYPE> - mal-formed XML!";
            push(@error,$msg);
            prtw("$msg\n") if ($opts & $XO_SHOW4);
            $doc_error++;
            last;
         }
         #    $XAO_        TYPE     TEXT    TAG       PRE      LNNUM
         push(@xmlarray, [ $eletyp, $xitem, $element, $pretxt, $bgnlnn, $stktxt ]);
         prt("$lnn: Done DOCTYPE <$xitem> END DT\n") if ($opts & $XO_SHOW2);
         # ===================================================================
         $pretxt = '';
         $element = '';
         $i++; # skip last '>'
      } elsif ($element =~ /^!\[CDATA\[/) {
         $eletyp = $XT_CDATA; # CDATA
         $xitem = $element;
         if (!(($cc eq '>') && ($pc eq ']') && ($ppc eq ']'))) {
            for (; $i < $len; $i++) {
               $ppc = $pc;
               $pc = $cc;
               $cc = substr($text,$i,1);
               $lnn++ if ($cc eq "\n");
               last if (($cc eq '>')&&($pc eq ']')&&($ppc eq ']'));
               $xitem .= $cc;
            }
         }
         prt("$lnn: Done CDATA <$xitem> END CDATA\n") if ($opts & $XO_SHOW2);
         #    $XAO_        TYPE     TEXT    TAG       PRE      LNNUM
         push(@xmlarray, [ $eletyp, $xitem, $element, $pretxt, $bgnlnn, $stktxt ]);
         # ===================================================================
         $element = '';
         $pretxt = '';
         $i++; # skip last '>'
      }

      # =================================================================
      if (length($element)) {
         # an element, which may be complete ie end in '/>', and may have attributes a="b"
         $attref = get_att_ref(""); # get a BLANK attribute reference
         $xitem = $element;
         if ($cc ne '>') {
            for (; $i < $len; $i++) {
               $pc = $cc;
               $cc = substr($text,$i,1);
               $lnn++ if ($cc eq "\n");
               last if ($cc eq '>');
               $xitem .= $cc;
            }
         }
         if ($element =~ /^\//) {
            $element = substr($element,1);
            $eletyp = $XT_ELE2;   # open, now closed - so pop
         } elsif ($pc eq '/') {
            # open/close element
            $eletyp = $XT_ELE3;
         } else {
            $eletyp = $XT_ELE1;   # open, so push
         }

         # Deal with ELEMENT types
         # =======================
         if ($eletyp == $XT_ELE1) {
            # open <tag [attrs]>
            $atttxt = $xitem;
            $atttxt =~ s/^$element//;
            $attref = get_att_ref($atttxt);
            push(@elestack,[$element,$lnn,$attref]);
            $stkcnt = scalar @elestack;
            if ($stkcnt == 1) {
               if (length($doc_root)) {
                  $msg = "ERROR:$lnn: Have doc root [$doc_root]($dr_line), now 2nd root [$element]($lnn)!";
                  push(@error,$msg);
                  prtw("$msg\n") if ($opts & $XO_SHOW4);
                  $doc_error++;
                  last;
               }
               $doc_root = $element;
               $dr_line = $lnn;
            }
            prt("$lnn: PUSHED [$element] ($stkcnt)\n") if ($opts & $XO_SHOW3);
         } elsif ($eletyp == $XT_ELE2) {
            # close </tag>
            if (@elestack) {
               $eleref = $elestack[-1];
               $pele   = ${$eleref}[0];
               $plnn   = ${$eleref}[1];
               if ($element eq $pele) {
                  $attref = ${$eleref}[2];
                  pop @elestack;
                  $stkcnt = scalar @elestack;
                  prt("$lnn: POPPED [$element] ($stkcnt)\n") if ($opts & $XO_SHOW3);
               } else {
                  $msg = "WARNING:$lnn: Element [$element] NOT last. Last is [$pele]($plnn)! NO POP";
                  push(@warns,$msg);
                  prtw("$msg\n") if ($opts & $XO_SHOW4);
               }
            } else {
               $msg = "WARNING:$lnn: Element [$element] NOT ON EMPTY STACK! NO POP";
               push(@warns,$msg);
               prtw("$msg\n") if ($opts & $XO_SHOW4);
            }
         } elsif ($eletyp == $XT_ELE3) {
            # complete <tag [attrs]/>
            $atttxt = $xitem;
            $atttxt =~ s/^$element//;
            $attref = get_att_ref($atttxt);
         }
         #    $XAO_        TYPE     TEXT    TAG       PRE      LNNUM
         push(@xmlarray, [ $eletyp, $xitem, $element, $pretxt, $bgnlnn, $stktxt ]);
         $pretxt = '';
         $element = '';
         $i++; # skip last '>'
      }
   }
   if ($i < $len) {
      $msg = "WARNING:$lnn: Still ".($len - $i)." characters in file [$fil] NOT PARSED!";
      push(@warns,$msg);
      prtw("$msg\n") if ($opts & $XO_SHOW4);
   }

   check_ele_stack(\@elestack,\@warns,$opts); # if (!$doc_error);

   # fill up the HASH with collections
   # =================================
   ${$rxmlhash}{$x_warn} = [ \@warns, \@errorif (@warns || @error);
   ${$rxmlhash}{$x_cont} = \@xmlarray;
   ${$rxmlhash}{$x_root} = $doc_root;
   ${$rxmlhash}{$x_file} = $fil;
   # =================================
   return $rxmlhash;
}

sub has_utf_16_BOM($) {
   my ($fil) = shift;
   if (open INF, "<$fil") {
      binmode INF;
      my $buf = "";
      if ((read INF, $buf, 2) == 2) {
         close INF;
         my $od1 = ord(substr($buf,0,1));
         my $od2 = ord(substr($buf,1,1));
         if (($od1 == 0xFF)&&($od2 == 0xFE)) {
            return (16+2);   # LittleEndians (windows)
         } elsif (($od1 == 0xFE)&&($od2 == 0xFF)) {
            return (16+4);   # BigEndians (unix)
         } elsif ($od1 == 0) {
            return 4;
         } elsif ($od2 == 0) {
            return 2;
         }
         return 1;
      }
      close INF;
   }
   return 0;
}

#################################################################
### load an XML file into a single text string
sub parse_xml_file($) {
   my ($fil) = @_;
   my $bom = has_utf_16_BOM($fil);
   if (!open INF, "<$fil") {
      pgm_exit(1,"ERROR: Unable to open file [$fil]!");
   }
   if ($bom & 2) {
      binmode INF, ":encoding(UTF-16LE)";
   } elsif ($bom & 4) {
      binmode INF, ":encoding(UTF-16BE)";
   }
   my @lines = <INF>;
   close INF;
   $lines[0] = substr($lines[0],1) if ($bom & 16); # move PAST the BOM
   my $text = join("",@lines);
   my $len = length($text);
   my $lnn = scalar @lines;
   if (VERB5()) {
       prt("Processing $lnn lines, $len chars, from ");
       prt("\n ") if (length($fil) > 24);
       prt("[$fil]");
       if ($bom & 6) {
          prt(" UTF-16LE") if ($bom & 2);
          prt(" UTF-16BE") if ($bom & 4);
          prt("(BOM)") if ($bom & 16);
       }
       prt("\n");
   }
   return scan_xml_text($fil,$text,0);
}


sub parse_xml_ok($) {
   my ($fil) = @_;
   my %hash = ();
   my ($msg);
   if (open INF, "<$fil") {
      my @lines = <INF>;
      close INF;
      my ($tag,$text,$len,$i,$cc,$nc,$pc,$pc1,$pc2,$iscom,$tcnt,$ishead,$lnn,$isclose1,$isclose2,$ttxt,$spcnt);
      my (@tagstack,$i2,$cols,$currtag,$tmptag,$stkcnt,$iscdata,$stktxt);
      $text = join("",@lines);
      $len = length($text);
      $lnn = scalar @lines;
      prt("Processing $lnn lines, from [$fil]. $len chars...\n");
      $cc = '';
      $pc1 = '';
      $pc2 = '';
      $iscom = 0;
      $ishead = 0;
      $lnn = 1;
      $isclose1 = 0;
      $isclose2 = 0;
      $ttxt = '';
      @tagstack = ();
      $currtag = '';
      $cols = 0;
      $iscdata = 0;
      for ($i = 0; $i < $len; $i++) {
         $i2 = $i + 1;
         $cols++;
         $pc2 = $pc1;
         $pc1 = $pc;
         $pc = $cc;
         $cc = substr($text,$i,1);
         $nc = ($i2 < $len) ? substr($text,$i2,1) : '';
         if ($cc eq "\n") {
            $lnn++;
            $cols = 0;
            $cc = ' ';
         }
         if ($cc eq '<') {
            $tag = ''# clear the tag
            $i++;
            $tcnt = 0;
            $iscom = 0;
            $ishead = 0;
            $isclose1 = 0;
            $isclose2 = 0;
            $iscdata = 0;
            $spcnt = 0;
            # proceed to END OF TAG
            for (; $i < $len; $i++) {
               $cols++;
               $i2 = $i + 1;
               $pc2 = $pc1;
               $pc1 = $pc;
               $pc = $cc;
               $cc = substr($text,$i,1);
               $nc = ($i2 < $len) ? substr($text,$i2,1) : '';
               if ($cc eq "\n") {
                  $lnn++;
                  $cols = 0;
                  $cc = ' ';
               }
               # <?xml
               $ishead = 1 if (($tcnt == 2) && ($nc eq 'l') && ($cc eq 'm') && ($pc eq 'x') && ($pc1 eq '?'));
               # <![CDATA[ ... ]]>
               $iscdata = 1 if (($tcnt == 1) && ($nc eq 'C') && ($cc eq '[') && ($pc eq '!') && ($pc1 eq '<') && is_cdata(substr($text,$i)));
               if ($iscdata) {
                  #prt("$lnn:$cols: Got CDATA\n");
                  #prt(substr($text,$i,40)."\n");
                  #pgm_exit(1,"Temp exit");
                  # stay and EAT comment completely
                  $i++;
                  $tag = $pc.$cc;
                  # proceed to END OF CDATA TAG
                  for (; $i < $len; $i++) {
                     $cols++;
                     $i2 = $i + 1;
                     $pc2 = $pc1;
                     $pc1 = $pc;
                     $pc = $cc;
                     $cc = substr($text,$i,1);
                     $nc = ($i2 < $len) ? substr($text,$i2,1) : '';
                     if ($cc eq "\n") {
                        $lnn++;
                        $cols = 0;
                        $cc = ' ';
                     }
                     # is it '-->', end of comment
                     if (($cc eq '>') && ($pc eq ']') && ($pc1 eq ']')) {
                        last; # reached END OF CDATA
                     }
                     $tag .= $cc;
                 }
                 last# exit TAG inner loop
               }
               # <!--
               $iscom = 1 if (($tcnt == 1) && ($nc eq '-') && ($cc eq '-') && ($pc eq '!') && ($pc1 eq '<'));
               if ($iscom) {
                  # stay and EAT comment completely
                  $i++;
                  $tag = $pc.$cc;
                  # proceed to END OF TAG
                  for (; $i < $len; $i++) {
                     $cols++;
                     $i2 = $i + 1;
                     $pc2 = $pc1;
                     $pc1 = $pc;
                     $pc = $cc;
                     $cc = substr($text,$i,1);
                     $nc = ($i2 < $len) ? substr($text,$i2,1) : '';
                     if ($cc eq "\n") {
                        $lnn++;
                        $cols = 0;
                        $cc = ' ';
                     }
                     # is it '-->', end of comment
                     if (($cc eq '>') && ($pc eq '-') && ($pc1 eq '-')) {
                        last; # reached END OF COMMENT
                     }
                     $tag .= $cc;
                 }
                 last# exit TAG inner loop
               } else {
                  # </...
                  $isclose1 = 1 if (($tcnt == 0) && ($cc eq '/'));
                  # <... />
                  if (($cc eq '/') && ($nc eq '>')) {
                     $isclose2 = 1;    # this is a <... /> self closed tag
                     if ($spcnt && @tagstack && ($tagstack[-1] eq $currtag)) {
                        $tmptag = pop @tagstack;
                        if (@tagstack) {
                           $currtag = $tagstack[-1];
                        } else {
                           $currtag = "*EMPTY*";
                        }
                        $stktxt = ret_stack_text(\@tagstack);
                        prt("[dbg_07] $lnn:$cols: UNStacked 1 [$tmptag], currtag [$currtag]\n") if ($dbg_07);
                     }
                     last;
                  } elsif ($cc eq '>') {
                     if (($spcnt == 0) && !$ishead && !$iscom) {
                        if ($isclose1) {
                           if (@tagstack && ($tagstack[-1] eq $currtag)) {
                              $tmptag = pop @tagstack;
                              if (@tagstack) {
                                 $currtag = $tagstack[-1];
                              } else {
                                 $currtag = "*EMPTY*";
                              }
                              $stktxt = ret_stack_text(\@tagstack);
                              prt("[dbg_08] $lnn:$cols: UNStacked 2 [$tmptag], currtag [$currtag]\n") if ($dbg_08);
                           } elsif (@tagstack) {
                              prt("ERROR: $lnn:$cols: curtag [".$currtag."] NE tagstack [".$tagstack[-1]."]!\n");
                              pgm_exit(1,"Bad TAG 1! file=$fil");
                           } else {
                              prt("ERROR: $lnn:$cols: curtag [".$currtag."] NOT IN tagstack!\n");
                              pgm_exit(1,"Bad TAG 2! file=$fil");
                           }
                        } elsif (length($tag)) {
                           push(@tagstack,$tag);
                           $currtag = $tag;
                           $stktxt = ret_stack_text(\@tagstack);
                           prt("[dbg_05] $lnn:$cols: Stacked 1 [$currtag]\n") if ($dbg_05);
                        }
                     }
                     last;
                  } elsif ($cc =~ /\s/) {
                     if (($spcnt == 0) && !$ishead && !$isclose1 && !$iscom) {
                        push(@tagstack,$tag);
                        $currtag = $tag;
                        $stktxt = ret_stack_text(\@tagstack);
                        prt("[dbg_06] $lnn:$cols: Stacked 2 [$currtag]\n") if ($dbg_06);
                     }
                     $cc = ' ' if ($cc eq "\n");
                     if ( !($pc =~ /\s/) ) {
                        $tag .= $cc;
                     }
                     $spcnt++;   # bump the SPACE counter
                  } else {
                     # NOT '/', '>', '\s'...
                     $tag .= $cc;
                  }
               }
               $tcnt++;
               #last if ($iscom);
            } # for (; $i < $len; $i++) { # proceed to END OF TAG

            if ($ishead) {
               prt("[dbg_03] $lnn: HEAD:<$tag>\n") if ($dbg_03);
               $hash{'XML HEADER'} = $tag;
            } elsif ($iscom) {
               prt("[dbg_02] $lnn: COMMENT:<$tag>\n") if ($dbg_02);
            } elsif ($isclose1) {
               prt("[dbg_04] $lnn: CLOSE1:<$tag>\n") if ($dbg_04);
            } elsif ($isclose2) {
               prt("[dbg_04] $lnn: CLOSE2:<$tag>\n") if ($dbg_04);
            } elsif ($iscdata) {
               prt("[dbg_10] $lnn: END CDATA:<$tag>\n") if ($dbg_10);
            }
            # done this tag
            $ttxt = '';
            next;
         }
         $ttxt .= $cc;
      }
      $stkcnt = scalar @tagstack;
      prt("[dbg_09] Done $lnn lines, from [$fil]. $len chars...\n") if ($dbg_09);
      if ($stkcnt) {
         $msg = "WARNING: Still $stkcnt item on tag stack! ";
         for ($i = 0; $i < $stkcnt; $i++) {
            $msg .= "[".$tagstack[$i]."] ";
         }
         prtw("$msg\n");
      }
   } else {
      pgm_exit(1,"ERROR: Unable to open file [$fil]!");
   }
   return \%hash;
}

#######################################################
### parse a set of -set.xml file
sub parse_ref_set($$) {
   my ($dir,$ra) = @_;
   my $cnt = scalar @{$ra};
   prt("Got $cnt set xml files...\n");
   my ($set,$rxml);
   my %h = ();
   foreach $set (@{$ra}) {
      $rxml = parse_xml_file($set);
      $h{$set} = $rxml;
   }
   return \%h;
}

# =================================================
# Functions used by xml_get_all_children

sub get_warn_error_text($) {
   my ($rh) = @_;
   my $text = '';
   if (defined ${$rh}{$x_warn}) {
      my $rwarn = ${$rh}{$x_warn}[0];
      my $rerror = ${$rh}{$x_warn}[1];
      my ($err);
      if (@{$rwarn}) {
         foreach $err (@{$rwarn}) {
            $text .= "<!-- $err -->\n";
         }
      }
      if (@{$rerror}) {
         foreach $err (@{$rerror}) {
            $text .= "<!-- $err -->\n";
         }
      }
   }
   return $text;
}

sub is_in_array_ref($$) {
   my ($tag,$rarr) = @_;
   my $cnt = scalar @{$rarr};
   my ($i,$ele);
   for ($i = 0; $i < $cnt; $i++) {
      $ele = ${$rarr}[$i];
      return ($i+1) if ($ele eq $tag);
   }
   return 0;
}

sub is_in_array_ref_0($$) {
   my ($tag,$rarr) = @_;
   my $cnt = scalar @{$rarr};
   my ($i,$ele);
   for ($i = 0; $i < $cnt; $i++) {
      $ele = ${$rarr}[$i]; # extract ref
      return ($i+1) if (${$ele}[0] eq $tag);
   }
   return 0;
}

sub show_ele_hash($$) {
   my ($reh,$out) = @_;
   my ($key,$cnt,$cont,$xitem,$msg,$attrs,$atth);
   my ($k,$v,$ec);
   $cnt = scalar keys(%{$reh});
   prt("Show element hash - count $cnt...\n") if ($out);
   $cnt = 0;
   foreach $key (keys %{$reh}) {
      $cnt++;
      $ec = ${$reh}{$key}{'count'};
      $msg = "$cnt: [$key]($ec) ";
      #prt("$cnt: key [$key] ".${$reh}{$key}{'count'}." ");
      $xitem = $key;
      $attrs = '';
      if (defined ${$reh}{$key}{'xitem'}) {
         $xitem = ${$reh}{$key}{'xitem'};
         $attrs = $xitem;
         $attrs =~ s/$key//;  # strip OFF the key
         $attrs = trim_all($attrs);
         #$msg .= "[$attrs] ";
      }
      $atth = get_att_ref($attrs);
      if (!defined ${$reh}{$key}{'attrs'}) {
         ${$reh}{$key}{'attrs'} = $atth;
      }
      $msg .= "<$key";
      foreach $k (keys %{$atth}) {
         $v = ${$atth}{$k};
         $msg .= " $k=\"$v\"";
      }
      $msg .= ">";
      if (defined ${$reh}{$key}{'content'}) {
         $cont = ${$reh}{$key}{'content'};
         if (length($cont)) {
            #prt("cont [$cont]");
            $msg .= "$cont</$key>";
         } else {
            $msg .=" EMPTY";
            delete ${$reh}{$key};
         }
      } else {
         $msg .= "No CONTENT!";
         delete ${$reh}{$key};
      }
      prt("$msg\n") if ($out);
   }
   prt("Done element hash - count $cnt...\n") if ($out);
}

sub transfer_ele_hash($$$) {
   my ($sim,$rch,$reh) = @_;
   my ($key);
   foreach $key (keys %{$reh}) {
      ${$rch}{$sim}{$key} = [ ${$reh}{$key}{'content'}, ${$reh}{$key}{'attrs'} ];
   }
}

sub xml_get_all_children($$$$) {
   my ($rh,$sim,$dep,$opts) = @_;
   my %ch = ();
   my %ch2 = ();
   my $rch2 = \%ch2;
   if (!defined ${$rh}{$x_cont}) {
      return $rch2;   # "<!-- ERROR: No content array in HASH! -->\n";
   }
   my $childpath = "child_".$sim."_".$dep."_".$opts;
   if (defined ${$rh}{$childpath}) {
      return ${$rh}{$childpath};
   }
   my $ra = ${$rh}{$x_cont};
   my $doc_root = ${$rh}{$x_root};
   my $fil_name = ${$rh}{$x_file};
   my $cnt = scalar @{$ra};
   my $text = '';
   my $ind = 0;
   my $in;
   my ($i,$eletyp,$xitem,$element,$pretxt,$bgnlnn,$eleref,$prev,$stktxt);
   my (@arr,$inarr,$acnt,$diff,$i2,$typnam,$sst,$tpt,$msg,$hadyes);
   my ($stkpath,$inref);
   my ($topele,$topref,$attref,$topatt,$chr,$sxit);
   my @tagstack = ();
   my %elehash = ();
   my $dbg_ln = $opts;
   my ($fil_root,$fil_dir) = fileparse($fil_name);
   $prev = '';
   $hadyes = 0;
   $inref = 0;
   prt("Get all children of [$sim], depth $dep, doc root $doc_root...\n") if ($dbg_ln);
   $text = '';
   $text .= get_warn_error_text($rh);
   #    $XAO_        TYPE     TEXT    TAG       PRE      LNNUM
   #ush(@xmlarray, [ $eletyp, $xitem, $element, $pretxt, $bgnlnn ]);
   for ($i = 0; $i < $cnt; $i++) {
      $i2 = $i + 1;
      $eleref = ${$ra}[$i];
      $eletyp = ${$eleref}[$XAO_TYPE];
      $xitem = ${$eleref}[$XAO_TEXT];
      $element = ${$eleref}[$XAO_TAG];
      $pretxt = ${$eleref}[$XAO_PRE];
      $bgnlnn = ${$eleref}[$XAO_LNNUM];
      $stktxt = ${$eleref}[$XAO_STACK];
      next if (length($stktxt) == 0);
      $sst = $stktxt;
      $sst =~ s/^$doc_root\///;
      $typnam = xml_get_type_name($eletyp);
      # element types
      $in = ' ' x $ind;
      @arr = split('/',$stktxt);
      $acnt = scalar @arr;
      $inarr = is_in_array_ref($sim,\@arr);
      $msg = "$i2: $typnam [$element][$sst]";
      $msg .= " $inarr of $acnt ";
      if ($inarr) {
         $tpt = trim_all($pretxt);
         $diff = ($acnt - $inarr);
         if ($dep <= 0) {
            $msg .= "YesD";
         } elsif ($diff <= $dep) {
            $msg .= "Yes";
         } else {
            $msg .= "Yes, but DEPTH!";
            $inarr = 0;
         }
         $msg .= " $tpt" if (length($tpt));
         prt("$msg\n") if ($dbg_ln);
         $hadyes++;
      } else {
         if ($element eq $sim) {
            $msg .= "NO, but YES because element is $sim";
            $hadyes++;
            $inarr = 1;
         } else {
            $msg .="NO";
            $hadyes-- if ($hadyes);
         }
         prt("$msg\n") if ($dbg_ln);
      }
      next if (!$inarr);
      if ($eletyp == $XT_HEADER) {  # xml header <?xml ... ?>
         #$text .= "<$xitem>\n";
      } elsif ($eletyp == $XT_COMMENT) { # comments   <!-- ... -->
         #if ($opts & 1) {
         #   $text .= "$in<$xitem>\n";
         #}
      } elsif ($eletyp == $XT_DOCTYPE) { # doctype    <!DOCTYPE ... [ <!-- ... -->  ]>
         #$text .= "<$xitem>\n";
      } elsif ($eletyp == $XT_CDATA) {  # cdata      <![CDATA[ ... ]]>
         $text .= "$i2:" if ($dbg_ln);
         if ($opts & 2) {
            $text .= "$in<$xitem>\n";
         } else {
            $text =~ s/\n$//;
            $text .= "<$xitem>\n";
         }
      } elsif ($eletyp == $XT_ELE1) { #  simple   <element[ attribs]>
         #$ind++;
         $text .= "$i2:" if ($dbg_ln);
         $text .= "$in<$xitem>\n";
         $sxit = $xitem;
         $sxit =~ s/^$element//;
         # NOTE: one of the attributes can be 'include="file-path-name"'
         $attref = get_att_ref($sxit);
         $prev = $element;
         $stkpath = ret_stack_text_arr(\@tagstack);
         push(@tagstack,[$element,$attref]);
         $ind = scalar @tagstack;
         if (defined $elehash{$element}) {
            $elehash{$element}{'count'}++;
         } else {
            $elehash{$element}{'count'} = 1;
            $elehash{$element}{'line'} = $i2;
            $elehash{$element}{'xitem'} = $xitem;
         }
      } elsif ($eletyp == $XT_ELE2) { #  closed   </element>
         #$ind-- if ($ind);
         $in = ' ' x $ind;
         $ind = scalar @tagstack;
         $pretxt = trim_all($pretxt);
         $inref = is_in_array_ref_0($element,\@tagstack);
         if (@tagstack) {
            $ind = scalar @tagstack;
            $topref = $tagstack[-1];
            $topele = ${$topref}[0];
            $topatt = ${$topref}[1];
            if (!$inref) {
               prtw("WARNING: element [$element] NOT IN STACK! [$fil_root]\n");
               next;
            } elsif ($element ne $topele) {
               prtw("WARNING: element [$element] NOT LAST STACK! last [$topele][$fil_root]\n");
               next;
            } elsif ($inref != $ind) {
               # this can be WRONG???
            }
         } else {
            prtw("WARNING: element [$element] NOT IN EMPTY STACK! [$fil_root]\n");
            next;
         }
         $stkpath = ret_stack_text_arr(\@tagstack);
         pop @tagstack;
         $ind = scalar @tagstack;
         if (defined $elehash{$element}) {
            #$elehash{$element}{'count'}-- if ($elehash{$element}{'count'});
            $elehash{$element}{'content'} = $pretxt;
         }
         $in = ' ' x $ind;
         if ($prev eq $element) {
            $text =~ s/\n$//;
            $text .= $pretxt if (length($pretxt) && !($pretxt =~ /^\s+$/));
            $text .= "$i2:" if ($dbg_ln);
            $text .= "<$xitem>\n";
         } else {
            $text .= $in;
            if (length($pretxt) && !($pretxt =~ /^\s+$/)) {
               $text .= "$pretxt\n" if (length($pretxt) && !($pretxt =~ /^\s+$/));
               $text .= "$i2:" if ($dbg_ln);
               $text .= "$in<$xitem>\n";
            } else {
               $text .= "$i2:" if ($dbg_ln);
               $text .= "<$xitem>\n";
            }
         }
         if ($do_new_stuff) {
            if (length($pretxt)) {
               $chr = xml_get_content_hr($eletyp,"",$pretxt,$topatt);
               xml_set_hash_ref_value($stkpath,$rch2,$element,$chr);
            }
         }
      } elsif ($eletyp == $XT_ELE3) { #  complete <element[ attribs]/>
         $text .= "$i2:" if ($dbg_ln);
         $text .= "$in<$xitem>\n";
         $sxit = $xitem;
         $sxit =~ s/^$element//;
         $sxit = trim_all($sxit);
         if ($do_new_stuff) {
            if (length($sxit)) {
               $stkpath = ret_stack_text(\@tagstack);
               # NOTE: one of the attributes can be 'include="file-path-name"'
               $attref = get_att_ref($sxit);
               $stkpath .= "/$element";   # increase PATH by this 'element'
               $chr = xml_get_content_hr($eletyp,"","",$attref);
               xml_set_hash_ref_value($stkpath,$rch2,$element,$chr);
            }
         }
      }
   }
   #prt(Dumper($rch2));
   #enum_hash_ref(\%ch2,0,'');
   #enum_hash_ref($rch2,0,'');
   prt("Debug parse text...\n$text\nEnd Debug parse text\n") if ($dbg_ln);
   # ==========================================
   show_ele_hash( \%elehash, 0 );
   show_ele_hash( \%elehash, 0 );
   transfer_ele_hash( $sim, \%ch, \%elehash );
   # ==========================================
   ### pgm_exit(1,"TEMP EXIT");
   if ($do_new_stuff) {
      #return \%ch2;
      return $rch2;
   }
   ${$rh}{$childpath} = \%ch;
   return \%ch;

}

sub show_child_hash($$$) {
   my ($rc,$sim,$opt) = @_;
   my $ri = ${$rc}{$sim};
   my ($key,$rah,$ritm,$msg,$k,$v,$cont,$cnt,$fnd,$min,$len);
   my @arr = qw(status description aero flight-model author);
   my $show_xml = 0;
   my $rtxt = '';
   $min = 0;
   foreach $key (@arr) {
      $len = length($key);
      $min = $len if ($len > $min);
   }
   $cnt = scalar keys( %{$ri} );
   prt("Show $cnt children hash...\n") if ($show_xml);
   foreach $key (sort keys %{$ri}) {
      $ritm = ${$rc}{$sim}{$key};
      $cont = ${$ritm}[0];
      $rah  = ${$ritm}[1];
      $fnd = 0;
      foreach $k (@arr) {
         if ($k eq $key) {
            $fnd = 1;
            last;
         }
      }
      if ($fnd) {
         if ($show_xml) {
            $msg = "<$key";
            foreach $k (keys %{$rah}) {
               $v = ${$rah}{$k};
               $msg .= " $k=\"$v\"";
            }
            $msg .= ">$cont</$key>";
         } else {
            $msg = $key;
            $msg .= ' ' while (length($msg) < $min);
            $msg .= ": $cont";
            $rtxt .= "$msg\n";   # add to returned text
         }
         prt("$msg\n");
      }
   }
   prt("Done $cnt children hash...\n") if ($show_xml);
   return $rtxt;
}

sub show_fg_sim_references($) {
   my ($rh) = @_;
   my $doc_root = ${$rh}{$x_root};
   my $fil_name = ${$rh}{$x_file};
   my $rc = xml_get_all_children($rh,"sim",0,0);
   my $cnt = scalar keys(%{$rc});
   my ($fil_root,$fil_dir) = fileparse($fil_name);
   my $msg = '';
   if ($cnt == 0) {
      $msg ="WARNING: NO CHILDREN FETCHED! [$fil_root]";
      prtw("$msg\n");
   } else {
      $msg = show_child_hash($rc,"sim",0);
   }
   return $msg;
}

sub get_fg_string($$$) {
   my ($rh,$sim,$tag) = @_;
   my $rc = xml_get_all_children($rh,$sim,0,0);
   my $ri = ${$rc}{$sim};
   foreach my $key (keys %{$ri}) {
      if ($key eq $tag) {
         my $ritm = ${$rc}{$sim}{$key};
         my $cont = ${$ritm}[0];
         return $cont;
      }
   }
   return "";
}

sub get_fg_sim_fdm_string($) {
   my ($rh) = @_;
   my $sim = "sim";
   my $tag = 'flight-model';
   return get_fg_string($rh,$sim,$tag);
}

sub get_fg_sim_author_string($) {
   my ($rh) = @_;
   my $sim = "sim";
   my $tag = 'author';
   return get_fg_string($rh,$sim,$tag);
}
sub get_fg_sim_status_string($) {
   my ($rh) = @_;
   my $sim = "sim";
   my $tag = 'status';
   return get_fg_string($rh,$sim,$tag);
}
sub get_fg_sim_aero_string($) {
   my ($rh) = @_;
   my $sim = "sim";
   my $tag = 'aero';
   return get_fg_string($rh,$sim,$tag);
}

sub get_fg_sim_desc_string($) {
   my ($rh) = @_;
   my $sim = "sim";
   my $tag = 'description';
   return get_fg_string($rh,$sim,$tag);
}

# My particular time 'translation' - replaced date_string
sub get_YYYYMMDD_local($) {
   my ($tm) = shift;
   #   0    1    2     3     4    5     6     7     8
   my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime($tm);
   $year += 1900;
   $mon += 1;
   my $ymd = "$year/";
   $ymd .= '0' if ($mon < 10);
   $ymd .= "$mon/";
   $ymd .= '0' if ($mday < 10);
   $ymd .= "$mday";
   return $ymd;
}

sub show_ref_dir($$) {
   my ($rdir,$rh) = @_;
   my ($fil,$rdh,$cnt,$sfil,$msg,$aircraft,$ac,$ntxt,$fnd,$add,$off,$air2,$max,$i);
   my %h = ();
   my $otext = '';
   my $fndair = '';
   my ($set,$aero);
   $cnt = scalar keys(%{$rh});
   prt("Show ref directory files... count = $cnt...\n");
   if (length($output_file)) {
      open OUT, ">$output_file";
      $msg = get_YYYYMMDD_local(time()).": $cnt set files from [$rdir] directory...\n";
      print OUT $msg;
   }
   $cnt = 0;   # restart counter
   $add = 0;
   $max = scalar @rel_ac;
   foreach $fil (keys %{$rh}) {
      $rdh = ${$rh}{$fil};
      $sfil = sub_common_dir($rdir,$fil);
      if (${$rdh}{$x_root} eq 'PropertyList') {
         $cnt++;
         prt("\n");
         $aero = get_fg_string($rdh,'sim','aero');
         # if ($sfil =~ /(\\|\/)(\w+|-|\d+)-set\.xml/)
         if ($sfil =~ /(\\|\/)(.+)-set\.xml/) {
             $set = $2;
         } else {
             $set = '???';
         }
         $msg = sprintf("%3d:",$cnt)." SET FIL: $sfil ($set) ($aero)\n";
         prt("$msg");
         # prt("IS 43 ($cnt)\n") if ($cnt == 43);
         $ntxt = show_fg_sim_references($rdh);
         $msg .= $ntxt;
         if (length($output_file)) {
            print OUT $msg;
         }
         $fnd = 0;
         $off = is_rel_set_file($sfil);
         if ($off > 0) {
            $air2 = $rel_ac[$off-1];
            #for ($i = 0; $i < $max; $i++) {
            #   $aircraft = $rel_ac[$i];
            #   my $tsttok = $aircraft;
            #   if (($sfil =~ /$tsttok/i)||($ntxt =~ /$tsttok/im)) {
                  $fnd = 1;
            #      $fndair = $aircraft;
            #      last;
            #   }
            #}
         }
         if ($fnd && length($air2)) {
            if ( ! defined $h{$air2} ) {
               $h{$air2} = [];
            }
            my $ra = $h{$air2};
            push(@{$ra},$rdh);
            $h{$air2} = $ra;
            $add++;
         }
      }
   }
   if (length($output_file)) {
      close OUT;
      prt("Info written to [$output_file]...\n");
   }
   prt("$add: Added to release list...\n");
   return \%h;
}


sub test_inp_dir($) {
   my ($in_dir) = @_;
   my $ver_file = "$in_dir/version";
   my $ac_dir = "$in_dir/Aircraft";
   if ( ! -d $in_dir ) {
      prt("ERROR: Can NOT locate directory [$in_dir]! Aborting...\n");
      pgm_exit(1,"");
   }
   if (open INF, "<$ver_file" ) {
      my @arr = <INF>;
      close INF;
      chomp $arr[0];
      prt("Data version [$arr[0]]... from [$in_dir]\n");
   } else {
      prt("ERROR: Can NOT locate file [$ver_file]! Aborting...\n");
      pgm_exit(1,"");
   }
   if ( ! -d $ac_dir ) {
      prt("ERROR: Can NOT locate directory [$ac_dir]! Aborting...\n");
      pgm_exit(1,"");
   }
}

my $min_air_msg = 12;
sub show_rel_ac($) {
   my ($rh) = @_;
   my ($air,$cnt,$cnt1,$cnt2,$ra,$rdh,$cnt3,$i,$msg,$cnt4,$test,$cat);
   my @arr = keys(%{$rh});
   my %done = ();
   $cnt1 = scalar @arr;
   $cnt2 = scalar @rel_ac;
   prt("Of $cnt2 release aircraft, found $cnt1...\n");
   $cnt = 0;
   prt("\n");
   $cnt = 0;
   $cnt3 = 0;
   my @array = ();
   my ($aero,$fdm,$status,$author,$desc,$msg2,$airm,$cntm,$cnt3m);
   my $mina = 0;
   my $minf = 0;
   my $mins = 0;
   my $len = 0;
   my %haero = ();
   my %hfdm = ();
   my %hstatus = ();
   my %hauthor = ();
   foreach $air (@rel_ac) {
      $cnt++;
      $done{$air} = 1;
      $cat = ' ';
      $airm = $air;
      $airm .= " " while (length($airm) < $min_air_msg);
      if (defined $rel_aircraft{$air}) {
          $cat = $rel_aircraft{$air};
      }
      $cntm = sprintf("%2d",$cnt);
      prt( "$cntm: [$airm] ");
      if (defined ${$rh}{$air}) {
         $ra = ${$rh}{$air};
         foreach $rdh (@{$ra}) {
            $aero = get_fg_sim_aero_string($rdh);
            $len = length($aero);
            $mina = $len if ($len > $mina);
            $fdm = get_fg_sim_fdm_string($rdh);
            $len = length($fdm);
            $minf = $len if ($len > $minf);
            $status = get_fg_sim_status_string($rdh);
            $len = length($status);
            $mins = $len if ($len > $mins);
            $author = get_fg_sim_author_string($rdh);
            $desc = get_fg_sim_desc_string($rdh);
            push( @array, [$aero, $fdm, $status, $author, $desc] );
            $cnt3++;
            if (defined $haero{$aero}) {
               $haero{$aero}++;
            } else {
               $haero{$aero} = 1;
            }
            if (defined $hfdm{$fdm}) {
               $hfdm{$fdm}++;
            } else {
               $hfdm{$fdm} = 1;
            }
            if (defined $hstatus{$status}) {
               $hstatus{$status}++;
            } else {
               $hstatus{$status} = 1;
            }
            if (defined $hauthor{$author}) {
               $hauthor{$author}++;
            } else {
               $hauthor{$author} = 1;
            }

         }
         $cnt3m = sprintf("%2d",$cnt3);
         prt("$cnt3m: $cat");
      } else {
         prt("UGH: [$air] Not in hash!");
      }
      prt("\n");
   }
   foreach $air (@arr) {
      if (!defined $done{$air}) {
         prt("$cnt3: [$air] from hash\n");
         $ra = ${$rh}{$air};
         foreach $rdh (@{$ra}) {
            $aero = get_fg_sim_aero_string($rdh);
            $len = length($aero);
            $mina = $len if ($len > $mina);
            $fdm = get_fg_sim_fdm_string($rdh);
            $len = length($fdm);
            $minf = $len if ($len > $minf);
            $status = get_fg_sim_status_string($rdh);
            $len = length($status);
            $mins = $len if ($len > $mins);
            $author = get_fg_sim_author_string($rdh);
            $desc = get_fg_sim_desc_string($rdh);
            push( @array, [$aero, $fdm, $status, $author, $desc] );
            $cnt3++;
            if (defined $haero{$aero}) {
               $haero{$aero}++;
            } else {
               $haero{$aero} = 1;
            }
            if (defined $hfdm{$fdm}) {
               $hfdm{$fdm}++;
            } else {
               $hfdm{$fdm} = 1;
            }
            if (defined $hstatus{$status}) {
               $hstatus{$status}++;
            } else {
               $hstatus{$status} = 1;
            }
            if (defined $hauthor{$author}) {
               $hauthor{$author}++;
            } else {
               $hauthor{$author} = 1;
            }
         }
      }
   }

   prt("\nList as found in HASH...\n");
   for ($i = 0; $i < $cnt3; $i++) {
      $aero   = $array[$i][0];
      $fdm    = $array[$i][1];
      $status = $array[$i][2];
      $author = $array[$i][3];
      $desc   = $array[$i][4];
      $cnt = $i + 1;
      $aero .= ' ' while (length($aero) < $mina);
      $fdm .= ' ' while (length($fdm) < $minf);
      $status .= ' ' while (length($status) < $mins);
      $msg = sprintf("%3d:",$cnt);
      prt("$msg aero [$aero], fdm [$fdm], status [$status], author [$author]\n");
      prt("   desc [$desc]\n");
   }

   # ==================================================
   $cnt = 0;
   prt("\nList per aero...\n");
   foreach $test (sort keys %haero) {
      $cnt2 = $haero{$test};
      $cnt1 = 0;
      for ($i = 0; $i < $cnt3; $i++) {
         if ($test eq $array[$i][0] ) {
            $aero   = $array[$i][0];
            $fdm    = $array[$i][1];
            $status = $array[$i][2];
            $author = $array[$i][3];
            $desc   = $array[$i][4];
            $cnt++;
            $cnt4 = $i + 1;
            $cnt1++;
            $aero .= ' ' while (length($aero) < $mina);
            $fdm .= ' ' while (length($fdm) < $minf);
            $status .= ' ' while (length($status) < $mins);
            $msg = sprintf("%3d:",$cnt4);
            prt("$msg aero [$aero], fdm [$fdm], status [$status], author [$author]\n");
            prt("   desc [$desc] ($cnt1 of $cnt2) $cnt\n");
         }
      }
   }

   # ==================================================
   $cnt = 0;
   prt("\nList per FDM...\n");
   $msg2 = '';
   foreach $test (sort keys %hfdm) {
      $cnt2 = $hfdm{$test};
      $cnt1 = 0;
      for ($i = 0; $i < $cnt3; $i++) {
         if ($test eq $array[$i][1]) {
            $aero   = $array[$i][0];
            $fdm    = $array[$i][1];
            $status = $array[$i][2];
            $author = $array[$i][3];
            $desc   = $array[$i][4];
            $cnt++;
            $cnt4 = $i + 1;
            $cnt1++;
            $aero .= ' ' while (length($aero) < $mina);
            $fdm .= ' ' while (length($fdm) < $minf);
            $status .= ' ' while (length($status) < $mins);
            $msg = sprintf("%3d:",$cnt4);
            prt("$msg aero [$aero], fdm [$fdm], status [$status], author [$author]\n");
            prt("   desc [$desc] ($cnt1 of $cnt2) $cnt\n");
         }
      }
      $test = "<blank>" if (length(trim_all($test)) == 0);
      $msg2 .= "\n $test = $cnt2 ($cnt1) ";
   }
   $cnt4 = scalar keys(%hfdm);
   $msg2 = "Done $cnt per $cnt4 FDM - ".$msg2;
   prt("$msg2\n");


   # ==================================================
   $cnt = 0;
   prt("\nList per status...\n");
   $msg2 = '';
   foreach $test (sort keys %hstatus) {
      $cnt2 = $hstatus{$test};
      $cnt1 = 0;
      for ($i = 0; $i < $cnt3; $i++) {
         if ($test eq $array[$i][2]) {
            $aero   = $array[$i][0];
            $fdm    = $array[$i][1];
            $status = $array[$i][2];
            $author = $array[$i][3];
            $desc   = $array[$i][4];
            $cnt4 = $i + 1;
            $cnt++;
            $cnt1++;
            $aero .= ' ' while (length($aero) < $mina);
            $fdm .= ' ' while (length($fdm) < $minf);
            $status .= ' ' while (length($status) < $mins);
            $msg = sprintf("%3d:",$cnt4);
            prt("$msg aero [$aero], fdm [$fdm], status [$status], author [$author]\n");
            prt("   desc [$desc] ($cnt1 of $cnt2) $cnt\n");
         }
      }
      $test = "<blank>" if (length(trim_all($test)) == 0);
      $msg2 .= "\n $test = $cnt2 ($cnt1) ";
   }
   $cnt4 = scalar keys(%hstatus);
   $msg2 = "Done $cnt per $cnt4 status - ".$msg2;
   prt("$msg2\n");

   # ==================================================
   $cnt = 0;
   prt("\nList per author...\n");
   $msg2 = '';
   foreach $test (sort keys %hauthor) {
      $cnt2 = $hauthor{$test};
      $cnt1 = 0;
      for ($i = 0; $i < $cnt3; $i++) {
         if ($test eq $array[$i][3]) {
            $aero   = $array[$i][0];
            $fdm    = $array[$i][1];
            $status = $array[$i][2];
            $author = $array[$i][3];
            $desc   = $array[$i][4];
            $cnt++;
            $cnt4 = $i + 1;
            $cnt1++;
            $aero .= ' ' while (length($aero) < $mina);
            $fdm .= ' ' while (length($fdm) < $minf);
            $status .= ' ' while (length($status) < $mins);
            $msg = sprintf("%3d:",$cnt4);
            prt("$msg aero [$aero], fdm [$fdm], status [$status], author [$author]\n");
            prt("   desc [$desc] ($cnt1 of $cnt2) $cnt\n");
         }
      }
      $test = "<blank>" if (length(trim_all($test)) == 0);
      $msg2 .= "\n $test = $cnt2 ($cnt1) ";
   }

   $cnt4 = scalar keys(%hauthor);
   $msg2 = "Done $cnt per $cnt4 authors - ".$msg2;
   prt("$msg2\n");
   # ==================================================

}

sub read_inp_dir($) {
   my ($in_dir) = @_;
   my $ac_dir = "$in_dir/Aircraft";
   if ( opendir( DIR, $ac_dir ) ) {
      my @files = readdir(DIR);
      closedir DIR;
      my $ref_set_arr = process_files($ac_dir,\@files);
      my $ref_dir = parse_ref_set($ac_dir,$ref_set_arr);
      my $ref_rac = show_ref_dir($ac_dir,$ref_dir);
      show_rel_ac($ref_rac);
   } else {
      prt("ERROR: Can NOT open directory [$ac_dir]! Aborting...\n");
      pgm_exit(1,"");
   }
}

sub check_air_list() {
   my ($air,$cnt);
   $cnt = scalar @rel_ac;
   prt("$cnt release aircraft...\n");
   $cnt = 0;
   foreach $air (@rel_ac) {
      $cnt++;
      prt( "$cnt: [$air]\n");
   }
   pgm_exit(1,"");
}

############################################################
# ### MAIN ### 
# check_air_list();
if (length($test_in_file)) {
   my $rh = parse_xml_file($test_in_file);
   if (${$rh}{$x_root} eq 'PropertyList') {
      show_fg_sim_references($rh);
   }
} else {
   parse_args(@ARGV);
   # load_thorn_list($thorn_list);
   test_inp_dir($inp_dir);
   read_inp_dir($inp_dir);
}
pgm_exit(0,"Normal exit");
############################################################

########################################
sub give_help {
    prt("$pgmname: version $VERS\n");
    prt("Usage: $pgmname [options] [data-directory]\n");
    prt("Options:\n");
    prt(" --help (-h or -?)   = This help, and exit 0.\n");
    prt(" --verbosity (-v[n]) = Bump, or set verbosity to 'n' - 0 - 9 valid.\n");
    prt("Purpose:\n");
    prt("Search [$inp_dir] for FG aircraft 'set' files...\n");
    prt(" and show some of the contents of the set files.\n");
}
sub need_arg {
    my ($arg,@av) = @_;
    pgm_exit(1,"ERROR: [$arg] must have following argument!\n") if (!@av);
}

sub parse_args {
    my (@av) = @_;
    my ($arg,$sarg);
    while (@av) {
        $arg = $av[0];
        if ($arg =~ /^-/) {
            $sarg = substr($arg,1);
            $sarg = substr($sarg,1) while ($sarg =~ /^-/);
            if (($sarg =~ /^h/i)||($sarg eq '?')) {
                give_help();
                pgm_exit(0,"Help exit(0)");
            } elsif ($sarg =~ /^v/i) {
                if ($sarg =~ /^v(\d+)$/) {
                    $verbosity = $1;
                } else {
                    while ($sarg =~ /^v/i) {
                        $verbosity++;
                        $sarg = substr($sarg,1);
                    }
                }
                prt("Set verbosity to $verbosity\n") if (VERB1());
            } else {
                pgm_exit(1,"ERROR: Invalid argument [$arg]! Try -?\n");
            }
        } else {
            $inp_dir = $arg;
            prt("Set input direcotry to [$inp_dir]\n") if (VERB1());
        }
        shift @av;
    }

}

# eof - fg-ac.pl

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