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#use strict;
my @xml;
my $warning=0;
my $trace=0;
sub decode_base64 {
tr:A-Za-z0-9+/::cd; # remove non-base64 chars
tr:A-Za-z0-9+/: -_:; # convert to uuencoded format
my $len = pack("c", 32 + 0.75*length); # compute length byte
return unpack("u", $len . $_); # uudecode and print
}
sub getpartattr {
# if $part is undefined (ie only one argument) then
# return the attributes of the section
my ($section, $part)=@_;
my %hash;
my $inside=0;
# print "Section: $section, part: $part\n";
for(@xml) {
# print "$inside: $_";
if(!$inside && ($_ =~ /^ *\<$section/)) {
$inside++;
}
if((1 ==$inside) && ( ($_ =~ /^ *\<$part([^>]*)/) ||
!(defined($part)) )
) {
$inside++;
my $attr=$1;
my @p=split("[\t]", $attr);
my $assign;
foreach $assign (@p) {
# $assign is a 'name="contents"' pair
if($assign =~ / *([^=]*)=\"([^\"]*)\"/) {
# *with* quotes
$hash{$1}=$2;
}
elsif($assign =~ / *([^=]*)=([^\"]*)/) {
# *without* quotes
$hash{$1}=$2;
}
}
last;
}
elsif((2 ==$inside) && ($_ =~ /^ *\<\/$part/)) {
$inside--;
}
}
return %hash;
}
sub getpart {
my ($section, $part)=@_;
my @this;
my $inside=0;
my $base64=0;
# print "Section: $section, part: $part\n";
for(@xml) {
# print "$inside: $_";
if(!$inside && ($_ =~ /^ *\<$section/)) {
$inside++;
}
elsif((1 ==$inside) && ($_ =~ /^ *\<$part[ \>]/)) {
if($_ =~ /$part .*base64=/) {
# attempt to detect base64 encoded parts
$base64=1;
}
$inside++;
}
elsif((2 ==$inside) && ($_ =~ /^ *\<\/$part/)) {
$inside--;
}
elsif((1==$inside) && ($_ =~ /^ *\<\/$section/)) {
if($trace) {
print STDERR "*** getpart.pm: $section/$part returned data!\n";
}
if(!@this && $warning) {
print STDERR "*** getpart.pm: $section/$part returned empty!\n";
}
if($base64) {
# decode the whole array before returning it!
for(@this) {
my $decoded = decode_base64($_);
$_ = $decoded;
}
}
return @this;
}
elsif(2==$inside) {
push @this, $_;
}
}
if($warning) {
print STDERR "*** getpart.pm: $section/$part returned empty!\n";
}
return @this; #empty!
}
sub loadtest {
my ($file)=@_;
undef @xml;
if(open(XML, "<$file")) {
binmode XML; # for crapage systems, use binary
while(<XML>) {
push @xml, $_;
}
close(XML);
}
else {
# failure
if($warning) {
print STDERR "file $file wouldn't open!\n";
}
return 1;
}
return 0;
}
#
# Strip off all lines that match the specified pattern and return
# the new array.
#
sub striparray {
my ($pattern, $arrayref) = @_;
my @array;
for(@$arrayref) {
if($_ !~ /$pattern/) {
push @array, $_;
}
}
return @array;
}
#
# pass array *REFERENCES* !
#
sub compareparts {
my ($firstref, $secondref)=@_;
my $first = join("", @$firstref);
my $second = join("", @$secondref);
# we cannot compare arrays index per index since with the base64 chunks,
# they may not be "evenly" distributed
# NOTE: this no longer strips off carriage returns from the arrays. Is that
# really necessary? It ruins the testing of newlines. I believe it was once
# added to enable tests on win32.
if($first ne $second) {
return 1;
}
return 0;
}
#
# Write a given array to the specified file
#
sub writearray {
my ($filename, $arrayref)=@_;
open(TEMP, ">$filename");
binmode(TEMP,":raw"); # cygwin fix by Kevin Roth
for(@$arrayref) {
print TEMP $_;
}
close(TEMP);
}
#
# Load a specified file an return it as an array
#
sub loadarray {
my ($filename)=@_;
my @array;
open(TEMP, "<$filename");
while(<TEMP>) {
push @array, $_;
}
close(TEMP);
return @array;
}
# Given two array references, this function will store them in two temporary
# files, run 'diff' on them, store the result and return the diff output!
sub showdiff {
my ($logdir, $firstref, $secondref)=@_;
my $file1="$logdir/check-generated";
my $file2="$logdir/check-expected";
open(TEMP, ">$file1");
for(@$firstref) {
print TEMP $_;
}
close(TEMP);
open(TEMP, ">$file2");
for(@$secondref) {
print TEMP $_;
}
close(TEMP);
my @out = `diff -u $file2 $file1 2>/dev/null`;
if(!$out[0]) {
@out = `diff -c $file2 $file1 2>/dev/null`;
}
return @out;
}
1;
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