#!/usr/bin/perl

# Copyright (c) 2009 Symbian Foundation Ltd

# This component and the accompanying materials are made available

# under the terms of the License "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Symbian Foundation Ltd - initial contribution.

#	Maciej Seroka, maciejs@symbian.org

#

# Description:

#   This is a tool for filtering static BC header reports.

#

use strict;

use XML::Simple;

use File::Copy;

use Tie::File;

use Data::Dumper;

my $report;

my $header_list;

my $destfile = "stripped_headers_report.xml";

my $del_ok_issues = 1; # This variable determines whether to delete OK issues first.

my $del_comp_issues = 0; # This variable determies whether to delete Compilation errors.

my $del_boost_issues = 1; # This variable determies whether to delete issues for Boost API headers.

my $n;

my $m;

my $file_name;

my $delete_node;

if ($ARGV[1]) {

	$report = $ARGV[0];

	$header_list = $ARGV[1];

} else { 

	die "Missing parameter(s). For example: bc_filter.pl headers_report.xml public_headers.txt"; 

}

# Parse the input XML into hashrefs.

print "Parsing " . $report . "... ";

my $current_report = XMLin("./$report", keeproot => 1,

    forcearray => [ 'header', 'baselineversion', 'currentversion', 'timestamp', 'day', 'month', 'year', 'hour', 'minute', 'second', #

	'haversion', 'formatversion', 'cmdlineparms', 'parm', 'pname', 'pvalue', 'knownissuesversion', 'os', 'version', 'buildweek', 'issuelist',#

	'headerfile', 'filename', 'comparefilename', 'status', 'comment', 'issue', 'checksum', 'shortname', 'issueid', 'typeid', 'identityid', #

	'identitydescription', 'typestring', 'cause', 'documentation', 'ignoreinformation', 'linenumber', 'severity', 'scseverity'], keyattr => [] );

print "complete \n";

# Load Public API definitions

my @lines;

tie @lines, 'Tie::File', $header_list or die ("Cannot tie file \"$header_list\". $!\n");

# Get number of header files

my $header_num = @{$current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}};

print "Number of all header files with issues: $header_num \n";

# Delete known issues.

if ($del_ok_issues) {

	$n = 0;

	while ($n < $header_num) {

		$file_name = $current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}->[$n]->{'shortname'}->[0];

		# Delete the node if known issue.

		if ($current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}->[$n]->{'status'}->[0] eq "OK") {

			print "Known issue: $file_name ...deleted\n";

			splice(@{$current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}},$n, 1);

			$header_num--;

		} else {

#			print "Unknown issue: $file_name \n";

			$n++;

		}

	}

	# Get number of header files again

	$header_num = @{$current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}};

	print "Number of remaining header files with issues: $header_num \n";

}

# Delete compilation issues.

# Assumption: Compilation issue is always the top issue (and probably the only one)

if ($del_comp_issues) {

	$n = 0;

	while ($n < $header_num) {

		$file_name = $current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}->[$n]->{'shortname'}->[0];

		if (($current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}->[$n]->{'issue'}->[0]->{'typestring'}->[0] eq "has compilation errors") && #

			($current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}->[$n]->{'status'}->[0] ne "OK")) { # Delete the node if compilation error.

			print "$file_name has compilation errors \n";

			splice(@{$current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}},$n, 1);

			$header_num--;

		} else {

			$n++;

		}

	}

	# Get number of header files again

	$header_num = @{$current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}};

	print "Number of header files with non-compilation issues: $header_num \n";

}

# Delete Boost API related issues (Boost API headers are not present in any of the Public SDK!).

if ($del_boost_issues) {

	$n = 0;

	while ($n < $header_num) {

		$file_name = $current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}->[$n]->{'shortname'}->[0];

		# Delete the node if Boost API header.

		if ($file_name =~ m/\\boost/) {

			print "Boost API: $file_name \n";

			splice(@{$current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}},$n, 1);

			$header_num--;

		} else {

			$n++;

		}

	}

	# Get number of header files again

	$header_num = @{$current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}};

	print "Number of non-Boost API header files: $header_num \n";

}

# Delete non-public API issues.

$n = 0;

while ($n < $header_num) {

	$file_name = $current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}->[$n]->{'shortname'}->[0];

	$m = 0;

	$delete_node = 1;

	foreach (@lines) { # Check against header list.

		if (lc($file_name) eq lc(@lines[$m])) {	# Mark the node to NOT be deleted.

			$delete_node = 0;

			last;

		}

		$m++;

	}

	# Delete the node if non-public issue.

	if ($delete_node) {

		print "Header file: $file_name not found in Public API definition file... deleted\n";

		splice(@{$current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}},$n, 1);

		$header_num--;

	} else {

		$n++;

	}

}

# Get number of header files again

$header_num = @{$current_report->{'bbcresults'}->{'issuelist'}->[0]->{'headerfile'}};

print "Final number of header files with issues: $header_num \n";

# Close Public API definition file.

untie @lines;

# Write new XML to dest file.

open OUT,">$destfile" or die("Cannot open file \"$destfile\" for writing. $!\n");

print OUT XMLout($current_report, keeproot => 1);

close OUT;

# Insert:	<?xml version="1.0" encoding="ASCII" standalone="no" ?>

#			<?xml-stylesheet type="text/xsl" href="BBCResults.xsl"?>

tie @lines, 'Tie::File', $destfile or die ("Cannot tie file \"$destfile\". $!\n");

unshift @lines, "<?xml-stylesheet type=\"text/xsl\" href=\"BBCResults.xsl\"?>";

unshift @lines, "<?xml version=\"1.0\" encoding=\"ASCII\" standalone=\"no\" ?>";

untie @lines;