#!perl -w

#

# 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.

#

# Contributors:

#

# Description:

# Generate the BRAG-compatible XML summary of the Raptor log from the CSV output of the raptor parser

use strict;

use Getopt::Long;

use Text::CSV;

my $raptorSummary;

my $help = 0;

GetOptions((

	'raptorsummary=s' => \$raptorSummary,

	'help!' => \$help

));

$help = 1 if (!$raptorSummary);

if ($help)

{

	print "Generate an XML summary of the Raptor build from a summary.csv file\n";

	print "Usage: perl summarize.pl --raptorsummary=CSV\n";

	exit(0);

}

# Start to build structure to be output as XML (same format as XML::Parser would create for us)

my $xmlNewline = bless { Text => "\n" }, "Characters";

my $buildStatus =

[

	bless

	{

		Kids =>

		[

			$xmlNewline,

			bless

			{

				name => "Build",

				Kids => [ $xmlNewline ]

			}, "phase",

		]

	}, "buildStatus"

];

# Get a shortcut reference to the bit we will use a lot

my $buildPhase = $buildStatus->[0]->{Kids}->[-1];

# READ SUMMARY.CSV FILE

open(CSV, $raptorSummary);

my $csv = Text::CSV->new();

while (my $line = <CSV>)

{

	chomp $line;

	unless ($csv->parse($line))

	{

		my $err = $csv->error_input();

		warn "Failed to parse $raptorSummary line line $. as CSV '$line': $err  Skipping\n";

		next;

	}

	my @keys = qw{category subcategory severity config component phase recipe file linenum};

	my @values = $csv->fields();

	unless (scalar @keys == scalar @keys)

	{

		warn "WARNING: line does not match expected format at $raptorSummary line $.. Skipping\n";

		next;

	}

	# Populate the hash using a hash slice

	my $failure = {};

	@{$failure}{@keys} = @values;

	if (!$failure->{category})

	{

		warn "WARNING: summary line without a category at $raptorSummary line $.. Skipping\n";

		next;

	}

	if ($failure->{category} =~ m{^recipe_failure$}i and !$failure->{component})

	{

		warn "WARNING: recipe_failure with component field empty at $raptorSummary line $.. Skipping\n";

		next;

	}

	$failure->{subcategory} ||= 'uncategorized';

	$failure->{severity} ||= 'unknown';

	# Look through the steps to see if we already have one to match this config

	my $step;

	foreach (@{$buildPhase->{Kids}})

	{

		next unless ref $_ eq "step";

		if ($_->{name} eq $failure->{config})

		{

			$step = $_;

			last;

		}

	}

	unless ($step)

	{

		# First item found in this step - create step entry

		$step = bless { name => $failure->{config}, Kids => [ $xmlNewline ] }, "step";

		push @{$buildPhase->{Kids}}, $step, $xmlNewline;

		# Also create empty <failures> tags with severities in a sensible order

		foreach my $severity (qw{critical major minor})

		{

			my $failureSet = bless { level => $severity, Kids => [ $xmlNewline ] }, "failures";

			push @{$step->{Kids}}, $failureSet, $xmlNewline;

		}

	}

	# Look through the sets of failures in this step to see if we hve one which matches this severity

	my $failureSet;

	foreach (@{$step->{Kids}})

	{

		next unless ref $_ eq "failures";

		if ($_->{level} eq $failure->{severity})

		{

			$failureSet = $_;

			last;

		}

	}

	unless ($failureSet)

	{

		# First item found at this severity - create failures entry

		$failureSet = bless { level => $failure->{severity}, Kids => [ $xmlNewline ] }, "failures";

		push @{$step->{Kids}}, $failureSet, $xmlNewline;

	}

	# Now create the failure itself, and add it to this failure set

	my $failureItem = bless {

#		href => "",

		Kids => [ bless { Text => $failure->{subcategory} }, "Characters" ]

	}, "failure";

	if ($failure->{component})

	{

		$failure->{component} =~ s{^(/sf/.*?/.*?)/.*$}{$1};

		$failureItem->{package} = $failure->{component};

	}

	push @{$failureSet->{Kids}}, $failureItem, $xmlNewline;

}

close(CSV);

# Print XML

print "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";

print "<?xml-stylesheet type='text/xsl' href='brag.xsl'?>\n";

printTree($buildStatus->[0]);

print "\n";

exit(0);

sub printTree

{

	my $tree = shift or die;

	die unless ref $tree;

	my $tagName = ref $tree;

	$tagName =~ s{^main::}{};

	if ($tagName eq "Characters")

	{

		print $tree->{Text};

		return;

	}

	print "<$tagName";

	foreach my $attr (

		sort {

			my $order = "name level start stop href";

			my $ixA = index $order, $a;

			my $ixB = index $order, $b;

			die "$a $b" if $ixA + $ixB == -2;

			$ixA - $ixB;

		}

		grep {

			! ref $tree->{$_}

		}

		keys %$tree)

	{

		print " $attr=\"$tree->{$attr}\"";

	}

	my $children = $tree->{Kids} || [];

	if (scalar @$children)

	{

		print ">";

		foreach my $child (@$children)

		{

			printTree($child);

		}

		print "</$tagName";

	}

	else

	{

		print "/"

	}

	print ">";

}