/usr/bin/pmlupgrade is in photoml 0.28-0ubuntu2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# This script upgrades PhotoML files to the most recent DTD versions
# Copyright © 2003-2010 Brendt Wohlberg <photoml@wohlberg.net>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License at
# http://www.gnu.org/licenses/gpl-2.0.txt.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
# Most recent modification: 22 October 2010
use strict;
use File::Basename;
use File::Copy;
use Getopt::Std;
# Set up path variables
my $pmlpath="/usr/share/photoml";
my $xsl = "$pmlpath/xsl/upgrade";
my $tmp = '/tmp';
if (-r '/etc/xml/catalog' and $ENV{'XML_CATALOG_FILES'} eq '') {
$ENV{'XML_CATALOG_FILES'} = "/etc/xml/catalog";
}
$ENV{'XML_CATALOG_FILES'} = "$pmlpath/dtd/catalog.xml " .
$ENV{'XML_CATALOG_FILES'};
undef $ENV{'SGML_CATALOG_FILES'};
# Ensure xsltproc and xmllint are available
die "pmlupgrade: error executing xstlproc\n"
if (`which xsltproc 2>/dev/null` eq '');
die "pmlupgrade: error executing xmllint\n"
if (`which xmllint 2>/dev/null` eq '');
my $ustr = <<EOF;
usage: pmlupgrade [-h] infile [infile] ...
-h Display usage information
-n Preserve numeric character references
EOF
my $opts = {};
getopts('hn', $opts);
if ($opts->{'h'}) { print STDERR "$ustr"; exit(0); }
die "$ustr" if (@ARGV == 0);
# Declare variables used within main loop
my $nerr = 0;
my ($x, $tmp0, $tmp1, $tflag, $trans, $cmd, $dtd, $root, $path, $sra);
my ($dtdcl, $dtpub, $dttyp, $dtver, $dtint);
# Work through each file specified on the command line
foreach $x ( @ARGV ) {
# Ensure current file is readable
if (! -r $x) {
warn "pmlupgrade: could not read file $x\n";
$nerr++;
next;
}
# Determine document type information
$dtdcl = getdoctyp($x);
$dtpub = getdtpub($dtdcl);
($dttyp,$dtver) = getpubtypver($dtpub);
$dtint = getdtint($dtdcl);
# Determine the relevant DTD and skip to next file if not recognised
if ($dttyp eq "PhotoML") {
$dtd = 'photo';
$root = 'photo';
} elsif ($dttyp eq "DigImageML") {
$dtd = 'digim';
$root = 'digimage';
} else {
warn "pmlupgrade: unrecognised document type for file $x\n";
$nerr++;
$dtd = '';
next;
}
warn "Upgrading $x\n";
$path = dirname($x);
# Flag indicating whether current file has been transformed
$tflag = 0;
# Find the relevant XSL upgrade transform
$trans = `find $xsl -name "$dtd-$dtver-*.xsl"`;
chomp($trans);
# Temporary file names
$tmp0 = "$tmp/upgrade.$$.0.xml";
$tmp1 = "$tmp/upgrade.$$.1.xml";
# If DTD is one of the versions with ISOlat1 and ISOlat2 character
# entity references, convert them to the corresponding numeric
# character references
if ($dtver <= "0.11") {
substncr($x, $tmp0);
} else {
copy($x,$tmp0);
}
$sra = ($opts->{'n'})?"'s/\&/\&/g'":"'s/\\&\\([^#]\\)/\\&\\1/g'";
# Increment version numbers while transforms available
while ($trans ne '') {
# Preprocessing to prevent namespace errors (since the DTD, in
# which the namespace prefixes are defined, is not loaded), and to
# prevent parsing and replacement of entity definitions.
$cmd = "sed -e 's|<$root>|<$root xmlns:xlink=\"http://www.w3.org".
"/1999/xlink\">|g' -e $sra $tmp0 > $tmp1";
system($cmd);
move($tmp1,$tmp0);
# Remove invalid namespace prefix from merge reject PI when upgrading
# from DTD version 0.12
if ($dtver == "0.12") {
$cmd = "sed -e 's|<\?merge:reject|<\?merge-reject|g' $tmp0 > $tmp1";
system($cmd);
move($tmp1,$tmp0);
}
# Apply the XSL transform
$cmd = "xsltproc --path $path --novalid -o $tmp1 $trans $tmp0";
system($cmd);
move($tmp1,$tmp0);
# In applying the last upgrade for digim files, the root element
# is changed to photo
$root = 'photo' if ($dtd eq 'digim' && $dtver eq '0.02');
# Undo preprocessing changes
$cmd = "sed -e 's|<$root xmlns:xlink=\"http://www.w3.org/1999/".
"xlink\">|<$root>|g' -e 's/\&/\\&/g' $tmp0 > $tmp1";
system($cmd);
move($tmp1,$tmp0);
# Find the next relevant XSL transform
if ($trans =~ /-([\d\.]+)\.xsl$/) {
$dtver = $1;
} else {
die "pmlupgrade: error in accessing upgrade XSL transforms\n";
}
$trans = `find $xsl -name "$dtd-$dtver-*.xsl"`;
chomp($trans);
$tflag = 1;
}
# If an upgrade transform has been applied, insert the internal
# subset removed by XSL processing, and validate the result
if ($tflag == 1) {
setdtint($dtint, $tmp0, "$x.tmp");
$cmd = "xmllint --valid --noout $x.tmp 2>/dev/null";
if (!system($cmd)) {
move($x, "$x.bak");
move("$x.tmp",$x);
} else {
move("$x.tmp","$x.fail");
warn "pmlupgrade: validity error in upgrading file $x\n";
$nerr++;
}
}
# Remove temporary files
unlink($tmp0);
unlink($tmp1);
}
exit ($nerr > 0)?1:0;
# Parse strings delimited by (possibly nested) angle brackets
sub abmatch {
my $fh = shift;
my $lt = shift;
my $mt = '';
my $line;
my $n = 1;
while ($n > 0) {
while (($lt !~ /<|>/) and ($line = <$fh>)) {
$lt .= $line;
}
if ($lt =~ /<|>/) {
$mt .= $` . $&;
$lt = $';
$n = ($& eq ">")?($n-1):($n+1);
} else {
return undef;
}
}
return $mt;
}
# Extract the document type declaration from an XML file
sub getdoctyp {
my $fn = shift;
my $line;
open(FH, "< $fn");
my $fh = *FH;
while ($line = <$fh>) {
last if ($line =~ /<!DOCTYPE/);
}
if ($line =~ /<!DOCTYPE/) {
return $& . abmatch($fh, $');
} else {
return undef;
}
}
# Extract the public identifier from a document type declaration
sub getdtpub {
my $dt = shift;
if ($dt =~ /DOCTYPE\s+\w+\s+PUBLIC\s+\"([^\"]+)\"/) {
return $1;
} else {
return undef;
}
}
# Extract the type and version number from a PhotoML/DigImageML file
sub getpubtypver {
my $dtp = shift;
if ($dtp =~ /DTD\s+(\w+)\s+([\d|\.]+)\/\/\w{2}$/) {
return ($1,$2);
} else {
return undef;
}
}
# Extract the internal subset from a document type declaration
sub getdtint {
my $dt = shift;
if ($dt =~ /\[([^\]]+)\]/) {
return $1;
} else {
return undef;
}
}
# Insert an internal subset into the document type declaration in a
# XML file
sub setdtint {
my $iss = shift;
my $fn0 = shift;
my $fn1 = shift;
if ($iss eq '') {
copy($fn0, $fn1);
return 1;
}
local(*FH, $/);
open(FH, "<$fn0") or return undef;
my $ft = <FH>;
close(FH);
$ft =~ s/(<!DOCTYPE\s+[^>]+)>/$1 \[$iss\]>/;
open(FH, ">$fn1") or return undef;
print FH $ft;
close(FH);
return 1;
}
# Replace ISOlat1 and ISOlat2 character entity references with the
# corresponding numeric character references
sub substncr {
my $fn0 = shift;
my $fn1 = shift;
open(IFH, "<$fn0") or return undef;
open(OFH, ">$fn1") or return undef;
my $line;
while ($line = <IFH>) {
$line =~ s/\&([^\;]+)\;/@{[getncr($1)]}/g;
print OFH $line;
}
close(OFH);
close(IFH);
return 1;
}
# Convert ISOlat1 and ISOlat2 character entity references to numeric
# character references, returning other entity references unchanged
sub getncr {
my $cer = shift;
my $ncr = {"Agrave" => "À", "Aacute" => "Á", "Acirc" => "Â",
"Atilde" => "Ã" , "Auml" => "Ä" , "Aring" => "Å" ,
"AElig" => "Æ" , "Ccedil" => "Ç" , "Egrave" => "È" ,
"Eacute" => "É" , "Ecirc" => "Ê" , "Euml" => "Ë" ,
"Igrave" => "Ì" , "Iacute" => "Í" , "Icirc" => "Î" ,
"Iuml" => "Ï" , "ETH" => "Ð" , "Ntilde" => "Ñ" ,
"Ograve" => "Ò" , "Oacute" => "Ó" , "Ocirc" => "Ô" ,
"Otilde" => "Õ" , "Ouml" => "Ö" , "Oslash" => "Ø" ,
"Ugrave" => "Ù" , "Uacute" => "Ú" , "Ucirc" => "Û" ,
"Uuml" => "Ü" , "Yacute" => "Ý" , "THORN" => "Þ" ,
"szlig" => "ß" , "agrave" => "à" , "aacute" => "á" ,
"acirc" => "â" , "atilde" => "ã" , "auml" => "ä" ,
"aring" => "å" , "aelig" => "æ" , "ccedil" => "ç" ,
"egrave" => "è" , "eacute" => "é" , "ecirc" => "ê" ,
"euml" => "ë" , "igrave" => "ì" , "iacute" => "í" ,
"icirc" => "î" , "iuml" => "ï" , "eth" => "ð" ,
"ntilde" => "ñ" , "ograve" => "ò" , "oacute" => "ó" ,
"ocirc" => "ô" , "otilde" => "õ" , "ouml" => "ö" ,
"oslash" => "ø" , "ugrave" => "ù" , "uacute" => "ú" ,
"ucirc" => "û" , "uuml" => "ü" , "yacute" => "ý" ,
"thorn" => "þ" , "yuml" => "ÿ" , "Amacr" => "Ā",
"amacr" => "ā", "Abreve" => "Ă", "abreve" => "ă",
"Aogon" => "Ą", "aogon" => "ą", "Cacute" => "Ć",
"cacute" => "ć", "Ccirc" => "Ĉ", "ccirc" => "ĉ",
"Cdot" => "Ċ", "cdot" => "ċ", "Ccaron" => "Č",
"ccaron" => "č", "Dcaron" => "Ď", "dcaron" => "ď",
"Dstrok" => "Đ", "dstrok" => "đ", "Emacr" => "Ē",
"emacr" => "ē", "Edot" => "Ė", "edot" => "ė",
"Eogon" => "Ę", "eogon" => "ę", "Ecaron" => "Ě",
"ecaron" => "ě", "Gcirc" => "Ĝ", "gcirc" => "ĝ",
"Gbreve" => "Ğ", "gbreve" => "ğ", "Gdot" => "Ġ",
"gdot" => "ġ", "Gcedil" => "Ģ", "Hcirc" => "Ĥ",
"hcirc" => "ĥ", "Hstrok" => "Ħ", "hstrok" => "ħ",
"Itilde" => "Ĩ", "itilde" => "ĩ", "Imacr" => "Ī",
"imacr" => "ī", "Iogon" => "Į", "iogon" => "į",
"Idot" => "İ", "inodot" => "ı", "IJlig" => "IJ",
"ijlig" => "ij", "Jcirc" => "Ĵ", "jcirc" => "ĵ",
"Kcedil" => "Ķ", "kcedil" => "ķ", "kgreen" => "ĸ",
"Lacute" => "Ĺ", "Lmidot" => "Ĺ", "lacute" => "ĺ",
"Lcedil" => "Ļ", "lcedil" => "ļ", "Lcaron" => "Ľ",
"lcaron" => "ľ", "lmidot" => "ŀ", "Lstrok" => "Ł",
"lstrok" => "ł", "Nacute" => "Ń", "nacute" => "ń",
"Ncedil" => "Ņ", "ncedil" => "ņ", "Ncaron" => "Ň",
"ncaron" => "ň", "napos" => "ʼn", "ENG" => "Ŋ",
"eng" => "ŋ", "Omacr" => "Ō", "omacr" => "ō",
"Odblac" => "Ő", "odblac" => "ő", "OElig" => "Œ",
"oelig" => "œ", "Racute" => "Ŕ", "racute" => "ŕ",
"Rcedil" => "Ŗ", "rcedil" => "ŗ", "Rcaron" => "Ř",
"rcaron" => "ř", "Sacute" => "Ś", "sacute" => "ś",
"scirc" => "Ŝ", "Scirc" => "ŝ", "Scedil" => "Ş",
"scedil" => "ş", "Scaron" => "Š", "scaron" => "š",
"tcedil" => "Ţ", "Tcedil" => "ţ", "Tcaron" => "Ť",
"tcaron" => "ť", "Tstrok" => "Ŧ", "tstrok" => "ŧ",
"Utilde" => "Ũ", "utilde" => "ũ", "Umacr" => "Ū",
"umacr" => "ū", "Ubreve" => "Ŭ", "ubreve" => "ŭ",
"Uring" => "Ů", "uring" => "ů", "Udblac" => "Ű",
"udblac" => "ű", "Uogon" => "Ų", "uogon" => "ų",
"Wcirc" => "Ŵ", "wcirc" => "ŵ", "Ycirc" => "Ŷ",
"ycirc" => "ŷ", "Yuml" => "Ÿ", "Zacute" => "Ź",
"zacute" => "ź", "Zdot" => "Ż", "zdot" => "ż",
"Zcaron" => "Ž", "zcaron" => "ž", "gacute" => "ǵ"};
my $val = $ncr->{$cer};
return (defined $val)?$val:"&$cer;";
}
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