#!/usr/bin/perl

#

# Copyright (C) 2006 Daniel Berrange

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# 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.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

use warnings;

use strict;

my %coverage = ( functions => {}, files => {} );

my %filemap;

my $type;

my $name;

my @functions;

while (<>) {

    if (/^Function '(.*)'\s*$/) {

	$type = "function";

	$name = $1;

	$coverage{$type}->{$name} = {};

	push @functions, $name;

    } elsif (/^File '(.*?)'\s*$/) {

	$type = "file";

	$name = $1;

	$coverage{$type}->{$name} = {};

	foreach my $func (@functions) {

	    $coverage{"function"}->{$func}->{file} = $name;

	}

	@functions = ();

    } elsif (/^Lines executed:(.*)%\s*of\s*(\d+)\s*$/) {

	$coverage{$type}->{$name}->{lines} = $2;

	$coverage{$type}->{$name}->{linesCoverage} = $1;

    } elsif (/^Branches executed:(.*)%\s*of\s*(\d+)\s*$/) {

	$coverage{$type}->{$name}->{branches} = $2;

	$coverage{$type}->{$name}->{branchesCoverage} = $1;

    } elsif (/^Taken at least once:(.*)%\s*of\s*(\d+)\s*$/) {

	$coverage{$type}->{$name}->{conds} = $2;

	$coverage{$type}->{$name}->{condsCoverage} = $1;

    } elsif (/^Calls executed:(.*)%\s*of\s*(\d+)\s*$/) {

	$coverage{$type}->{$name}->{calls} = $2;

	$coverage{$type}->{$name}->{callsCoverage} = $1;

    } elsif (/^No branches$/) {

	$coverage{$type}->{$name}->{branches} = 0;

	$coverage{$type}->{$name}->{branchesCoverage} = "100.00";

	$coverage{$type}->{$name}->{conds} = 0;

	$coverage{$type}->{$name}->{condsCoverage} = "100.00";

    } elsif (/^No calls$/) {

	$coverage{$type}->{$name}->{calls} = 0;

	$coverage{$type}->{$name}->{callsCoverage} = "100.00";

    } elsif (/^\s*(.*):creating '(.*)'\s*$/) {

	$filemap{$1} = $2;

    } elsif (/^\s*$/) {

	# nada

    } else {

	warn "Shit [$_]\n";

    }

}

my %summary;

foreach my $type ("function", "file") {

    $summary{$type} = {};

    foreach my $m ("lines", "branches", "conds", "calls") {

	my $totalGot = 0;

	my $totalMiss = 0;

	my $count = 0;

	foreach my $func (keys %{$coverage{function}}) {

	    $count++;

	    my $got = $coverage{function}->{$func}->{$m};

	    $totalGot += $got;

	    my $miss = $got * $coverage{function}->{$func}->{$m ."Coverage"} / 100;

	    $totalMiss += $miss;

	}

	$summary{$type}->{$m} = sprintf("%d", $totalGot);

	$summary{$type}->{$m . "Coverage"} = sprintf("%.2f", $totalMiss / $totalGot * 100);

    }

}

print "<coverage>\n";

foreach my $type ("function", "file") {

    printf "<%ss>\n", $type;

    foreach my $name (sort { $a cmp $b } keys %{$coverage{$type}}) {

	my $rec = $coverage{$type}->{$name};

	printf "  <entry name=\"%s\" details=\"%s\">\n", $name, ($type eq "file" ? $filemap{$name} : $filemap{$rec->{file}});

	printf "    <lines count=\"%s\" coverage=\"%s\"/>\n", $rec->{lines}, $rec->{linesCoverage};

	if (exists $rec->{branches}) {

	    printf "    <branches count=\"%s\" coverage=\"%s\"/>\n", $rec->{branches}, $rec->{branchesCoverage};

	}

	if (exists $rec->{conds}) {

	    printf "    <conditions count=\"%s\" coverage=\"%s\"/>\n", $rec->{conds}, $rec->{condsCoverage};

	}

	if (exists $rec->{calls}) {

	    printf "    <calls count=\"%s\" coverage=\"%s\"/>\n", $rec->{calls}, $rec->{callsCoverage};

	}

	print  "  </entry>\n";

    }

    printf "  <summary>\n";

    printf "    <lines count=\"%s\" coverage=\"%s\"/>\n", $summary{$type}->{lines}, $summary{$type}->{linesCoverage};

    printf "    <branches count=\"%s\" coverage=\"%s\"/>\n", $summary{$type}->{branches}, $summary{$type}->{branchesCoverage};

    printf "    <conditions count=\"%s\" coverage=\"%s\"/>\n", $summary{$type}->{conds}, $summary{$type}->{condsCoverage};

    printf "    <calls count=\"%s\" coverage=\"%s\"/>\n", $summary{$type}->{calls}, $summary{$type}->{callsCoverage};

    printf  "  </summary>\n";

    printf "</%ss>\n", $type;

}

print "</coverage>\n";