360 lines
8.9 KiB
Perl
360 lines
8.9 KiB
Perl
#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at https://curl.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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# SPDX-License-Identifier: curl
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#
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###########################################################################
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package getpart;
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use strict;
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use warnings;
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BEGIN {
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use base qw(Exporter);
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our @EXPORT = qw(
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compareparts
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fulltest
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getpart
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getpartattr
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loadarray
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loadtest
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partexists
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striparray
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writearray
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);
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}
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use Memoize;
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use MIME::Base64;
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my @xml; # test data file contents
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my $xmlfile; # test data file name
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my $warning=0;
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my $trace=0;
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# Normalize the part function arguments for proper caching. This includes the
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# file name in the arguments since that is an implied parameter that affects the
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# return value. Any error messages will only be displayed the first time, but
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# those are disabled by default anyway, so should never been seen outside
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# development.
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sub normalize_part {
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push @_, $xmlfile;
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return join("\t", @_);
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}
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sub decode_hex {
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my $s = $_;
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# remove everything not hex
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$s =~ s/[^A-Fa-f0-9]//g;
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# encode everything
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$s =~ s/([a-fA-F0-9][a-fA-F0-9])/chr(hex($1))/eg;
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return $s;
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}
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sub testcaseattr {
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my %hash;
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for(@xml) {
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if(($_ =~ /^ *\<testcase ([^>]*)/)) {
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my $attr=$1;
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while($attr =~ s/ *([^=]*)= *(\"([^\"]*)\"|([^\> ]*))//) {
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my ($var, $cont)=($1, $2);
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$cont =~ s/^\"(.*)\"$/$1/;
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$hash{$var}=$cont;
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}
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}
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}
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return %hash;
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}
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sub getpartattr {
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# if $part is undefined (ie only one argument) then
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# return the attributes of the section
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my ($section, $part)=@_;
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my %hash;
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my $inside=0;
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# print "Section: $section, part: $part\n";
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for(@xml) {
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# print "$inside: $_";
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if(!$inside && ($_ =~ /^ *\<$section/)) {
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$inside++;
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}
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if((1 ==$inside) && ( ($_ =~ /^ *\<$part ([^>]*)/) ||
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!(defined($part)) )
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) {
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$inside++;
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my $attr=$1;
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while($attr =~ s/ *([^=]*)= *(\"([^\"]*)\"|([^\> ]*))//) {
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my ($var, $cont)=($1, $2);
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$cont =~ s/^\"(.*)\"$/$1/;
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$hash{$var}=$cont;
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}
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last;
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}
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# detect end of section when part wasn't found
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elsif((1 ==$inside) && ($_ =~ /^ *\<\/$section\>/)) {
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last;
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}
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elsif((2 ==$inside) && ($_ =~ /^ *\<\/$part/)) {
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$inside--;
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}
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}
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return %hash;
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}
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memoize('getpartattr', NORMALIZER => 'normalize_part'); # cache each result
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sub getpart {
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my ($section, $part)=@_;
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my @this;
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my $inside=0;
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my $base64=0;
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my $hex=0;
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my $line;
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for(@xml) {
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$line++;
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if(!$inside && ($_ =~ /^ *\<$section/)) {
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$inside++;
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}
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elsif(($inside >= 1) && ($_ =~ /^ *\<$part[ \>]/)) {
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if($inside > 1) {
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push @this, $_;
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}
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elsif($_ =~ /$part [^>]*base64=/) {
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# attempt to detect our base64 encoded part
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$base64=1;
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}
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elsif($_ =~ /$part [^>]*hex=/) {
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# attempt to detect a hex-encoded part
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$hex=1;
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}
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$inside++;
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}
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elsif(($inside >= 2) && ($_ =~ /^ *\<\/$part[ \>]/)) {
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if($inside > 2) {
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push @this, $_;
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}
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$inside--;
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}
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elsif(($inside >= 1) && ($_ =~ /^ *\<\/$section/)) {
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if($inside > 1) {
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print STDERR "$xmlfile:$line:1: error: missing </$part> tag before </$section>\n";
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@this = ("format error in $xmlfile");
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}
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if($trace && @this) {
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print STDERR "*** getpart.pm: $section/$part returned data!\n";
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}
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if($warning && !@this) {
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print STDERR "*** getpart.pm: $section/$part returned empty!\n";
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}
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if($base64) {
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# decode the whole array before returning it!
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for(@this) {
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my $decoded = decode_base64($_);
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$_ = $decoded;
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}
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}
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elsif($hex) {
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# decode the whole array before returning it!
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for(@this) {
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my $decoded = decode_hex($_);
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$_ = $decoded;
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}
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}
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return @this;
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}
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elsif($inside >= 2) {
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push @this, $_;
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}
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}
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if($trace && @this) {
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# section/part has data but end of section not detected,
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# end of file implies end of section.
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print STDERR "*** getpart.pm: $section/$part returned data!\n";
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}
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if($warning && !@this) {
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# section/part does not exist or has no data without an end of
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# section; end of file implies end of section.
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print STDERR "*** getpart.pm: $section/$part returned empty!\n";
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}
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return @this;
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}
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memoize('getpart', NORMALIZER => 'normalize_part'); # cache each result
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sub partexists {
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my ($section, $part)=@_;
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my $inside = 0;
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for(@xml) {
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if(!$inside && ($_ =~ /^ *\<$section/)) {
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$inside++;
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}
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elsif((1 == $inside) && ($_ =~ /^ *\<$part[ \>]/)) {
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return 1; # exists
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}
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elsif((1 == $inside) && ($_ =~ /^ *\<\/$section/)) {
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return 0; # does not exist
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}
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}
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return 0; # does not exist
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}
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# The code currently never calls this more than once per part per file, so
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# caching a result that will never be used again just slows things down.
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# memoize('partexists', NORMALIZER => 'normalize_part'); # cache each result
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sub loadtest {
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my ($file)=@_;
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if(defined $xmlfile && $file eq $xmlfile) {
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# This test is already loaded
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return
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}
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undef @xml;
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$xmlfile = "";
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if(open(my $xmlh, "<", "$file")) {
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binmode $xmlh; # for crapage systems, use binary
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while(<$xmlh>) {
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push @xml, $_;
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}
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close($xmlh);
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}
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else {
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# failure
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if($warning) {
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print STDERR "file $file wouldn't open!\n";
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}
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return 1;
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}
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$xmlfile = $file;
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return 0;
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}
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# Return entire document as list of lines
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sub fulltest {
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return @xml;
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}
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# write the test to the given file
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sub savetest {
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my ($file)=@_;
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if(open(my $xmlh, ">", "$file")) {
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binmode $xmlh; # for crapage systems, use binary
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for(@xml) {
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print $xmlh $_;
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}
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close($xmlh);
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}
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else {
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# failure
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if($warning) {
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print STDERR "file $file wouldn't open!\n";
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}
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return 1;
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}
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return 0;
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}
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#
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# Strip off all lines that match the specified pattern and return
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# the new array.
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#
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sub striparray {
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my ($pattern, $arrayref) = @_;
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my @array;
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for(@$arrayref) {
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if($_ !~ /$pattern/) {
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push @array, $_;
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}
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}
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return @array;
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}
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#
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# pass array *REFERENCES* !
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#
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sub compareparts {
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my ($firstref, $secondref)=@_;
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my $first = join("", @$firstref);
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my $second = join("", @$secondref);
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# we cannot compare arrays index per index since with the base64 chunks,
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# they may not be "evenly" distributed
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# NOTE: this no longer strips off carriage returns from the arrays. Is that
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# really necessary? It ruins the testing of newlines. I believe it was once
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# added to enable tests on win32.
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if($first ne $second) {
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return 1;
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}
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return 0;
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}
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#
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# Write a given array to the specified file
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#
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sub writearray {
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my ($filename, $arrayref)=@_;
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open(my $temp, ">", "$filename") || die "Failure writing file";
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binmode($temp,":raw"); # cygwin fix by Kevin Roth
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for(@$arrayref) {
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print $temp $_;
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}
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close($temp) || die "Failure writing file";
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}
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#
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# Load a specified file and return it as an array
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#
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sub loadarray {
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my ($filename)=@_;
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my @array;
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if (open(my $temp, "<", "$filename")) {
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while(<$temp>) {
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push @array, $_;
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}
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close($temp);
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}
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return @array;
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}
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1;
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