#!/usr/bin/perl -w

#
# (c) Igor Chubin, imchubin@mail.ru, 2004
#

use strict;
use Getopt::Long;
use Term::VT102;
use Text::Iconv;
use Data::Dumper;

our $Config_File = "labmaker.conf";
our %Config = (
		"skip_empty" 			=> 	"yes",
		"skip_interrupted" 		=>	"no",
		"skip_wrong" 			=>	"no",
		"editors"			=>	["vi", "pico", "ee", "vim"],
		"pagers"			=>	["more", "less", "zmore", "zless", "info", 
							"man", "mc", "trafshow", "screen", "cfdisk",
							"trafshow-bsd", "yes", "lynx", "links", "centericq"
							],
		"terminal"			=>	["mc"],
		"suppress_editors"		=>	"yes",
		"suppress_pagers"		=>	"yes",
		"suppress_terminal"		=>	"yes",

		"terminal_width"		=> 	100,
		"terminal_height"		=> 	100,
		"verbose"			=>	"yes",

		"head_lines"			=> 	5,
		"tail_lines"			=>	5,
		"skip_text"			=>	"...",
		"show_time"			=>	"yes",
		"show_diffs"			=>	"yes",
		"show_comments"			=>	"yes",

		"input"				=>	"/root/.labmaker",
		"diffs"				=>	"",
		"input_mask"			=>	"*.script",
		"encoding"			=> 	"utf-8",

		"output"			=>	"/var/www/lm/reportINDEX.html",
		#"output"			=>	"report.xml",
		"output_mask"			=>	"INDEX",
		"output_format"			=>	"html",

		"signature"			=>	"#lm:",
		"from"				=>	"",
		"to"				=>	"",
		"lab"				=>	"",
		"keywords"			=>	"linux command",
		"files_keywords"		=>	"linux file",
		
		comment_width			=>	"300",
		time_width			=>	"60",

		"course-name" => "", 
		"course-code" => "", 
		"course-date" => "", 
		"course-center" => "", 
		"course-trainer" => "", 
		"course-student" => "", 

		);

our @Command_Lines;
our @Command_Lines_Index;
our @Diffs;

our %Commands_Stat;		# Statistics about commands usage
our %Files_Stat;		# Statistics about commands usage

our %Search_Machines = (
		"google" => 	{ 	"query" => 	"http://www.google.com/search?q=" ,
					"icon" 	=> 	"google.ico" },
		"freebsd" => 	{ 	"query" => 	"http://www.freebsd.org/cgi/man.cgi?query=",
					"icon"	=>	"freebsd.ico" },
		"linux"  => 	{ 	"query" => 	"http://man.he.net/?topic=",
					"icon"	=>	"linux.ico"},
		"opennet"  => 	{ 	"query" => 	"http://www.opennet.ru/search.shtml?words=",
					"icon"	=>	"opennet.ico"},
		"local" => 	{ 	"query" => 	"http://www.freebsd.org/cgi/man.cgi?query=",
					"icon"	=>	"freebsd.ico" },

	);

our %Elements_Visibility = (
		"note"		=>	"замечания",
		"diff"		=>	"редактор",
		"time"		=>	"время",
		"ttychange" 	=>	"терминал",
		"wrong_output wrong_cline wrong_root_output wrong_root_cline" 
				=>	"команды с ошибками",
		"interrupted_output interrupted_cline interrupted_root_output interrupted_root_cline" 
				=>	"прерванные команды",
		"tab_completion_output tab_completion_cline"	
				=> 	"продолжение с помощью tab"
);

sub init_variables;
our $Html_Help;
our $Html_About;


sub load_diff_files
{
	my @pathes = @_;
	
	for my $path (@pathes) {
		my $template = "*.diff";
		my @files = <$path/$template>;
		my $i=0;
		for my $file (@files) {
			my %diff;
			
			$diff{"path"}=$path;
			$diff{"uid"}="SET THIS";

# Сейчас UID определяется из названия каталога
# откуда берутся diff-файлы
# Это неправильно
#
# ВАРИАНТ:
# К файлам жураналам должны прилагаться ситемны файлы, 
# мз которых и будет определяться соответствие 
# имён пользователей их uid'ам
#
			$diff{"uid"} = 0 if $path =~ m@/root/@;	
			
			$diff{"bind_to"}="";
			$diff{"time_range"}=-1;
		
			next if not $file=~m@/(D?[0-9][0-9]?[0-9]?)[^/]*?([0-9]*):([0-9]*):?([0-9]*)@;
			$diff{"day"}=$1 || "";
			$diff{"hour"}=$2;
			$diff{"min"}=$3;
			$diff{"sec"}=$4 || 0;
			
			$diff{"index"}=$i;

			print "diff loaded: $diff{day} $diff{hour}:$diff{min}:$diff{sec}\n";
			
			local $/;
			open (F, "$file")
				or return "Can't open file $file ($_[0]) for reading";
			my $text = <F>;
			if ($Config{"encoding"} && $Config{"encoding"} !~ /^utf-8$/i) {
				my $converter = Text::Iconv->new($Config{"encoding"}, "utf-8");
				$text = $converter->convert($text);
			}
			close(F);	
			$diff{"text"}=$text;
			#print "$file loaded ($diff{day})\n";

			push @Diffs, \%diff;
			$i++;
		}
	}	
}


sub bind_diff
{
#	my $path = shift;
#	my $pid = shift;
#	my $day = shift;
#	my $lab = shift;

	print "Trying to bind diff...\n";

	my $cl = shift;
	my $hour = $cl->{"hour"};
	my $min = $cl->{"min"};
	my $sec = $cl->{"sec"};

	my $min_dt = 10000;

	for my $diff (@Diffs) {
			# Check here date, time and user
			next if ($diff->{"day"} && $cl->{"day"} && ($cl->{"day"} ne $diff->{"day"}));
			#next if (!$diff->{"uid"} && $cl->{"euid"} != $diff->{"uid"});
			
			my $dt=($diff->{"hour"}-$hour)*3600 +($diff->{"min"}-$min)*60 + ($diff->{"sec"}-$sec);
			if ($dt >0  && $dt < $min_dt && ($diff->{"time_range"} <0 || $dt < $diff->{"time_range"})) {
				print "Approppriate diff found: dt=$dt\n";
				if ($diff->{"bind_to"}) {
					undef $diff->{"bind_to"}->{"diff"};
				};
				$diff->{"time_range"}=$dt;
				$diff->{"bind_to"}=$cl;

				$cl->{"diff"} = $diff->{"index"};
				$min_dt = $dt;	
			}
		
	}
}


sub extract_from_cline
# Разобрать командную строку $_[1] и возвратить хэш, содержащий 
# номер первого появление команды в строке:
# 	команда => первая позиция
{
	my $what = $_[0];
	my $cline = $_[1];
	my @lists = split /\;/, $cline;
	
	
	my @commands = ();
	for my $list (@lists) {
		push @commands, split /\|/, $list;
	}

	my %commands;
	my %files;
	my $i=0;
	for my $command (@commands) {
		$command =~ /\s*(\S+)\s*(.*)/;
		if ($1 && $1 eq "sudo" ) {
			$commands{"$1"}=$i++;
			$command =~ s/\s*sudo\s+//;
		}
		$command =~ /\s*(\S+)\s*(.*)/;
		if ($1 && !defined $commands{"$1"}) {
				$commands{"$1"}=$i++;
		};	
		if ($2) {
			my $args = $2;
			my @args = split (/\s+/, $args);
			for my $a (@args) {
				$files{"$a"}=$i++
					if !defined $files{"$a"};
			};	

				
		}
	}

	if ($what eq "commands") {
		return %commands;
	} else {
		return %files;
	}
	
}

sub load_command_lines
{
	my $lab_scripts_path = $_[0];
	my $lab_scripts_mask = $_[1];

	my $cline_re_base = qq'
			(?:\\^?([0-9]*C?))					# exitcode
			(?:_([0-9]+)_)?				# uid
			(?:_([0-9]+)_)				# pid
			(...?)					# day
			(.?.?)					# lab
			\\s					# space separator
			([0-9][0-9]):([0-9][0-9]):([0-9][0-9])	# time
			.\\[50D.\\[K				# killing symbols
			(.*?([\$\#]\\s?))			# prompt
			(.*)					# command line
			';
	#my $cline_re = qr/$cline_re_base(?:$cline_re_base|$)/x;
	#my $cline_re = qr/(?:$cline_re_base)*$cline_re_base$/x;
	my $cline_re = qr/$cline_re_base/sx;
	my $cline_re1 = qr/$cline_re_base\x0D/sx;
	my $cline_re2 = qr/$cline_re_base$/sx;

	my $vt = Term::VT102->new (	'cols' => $Config{"terminal_width"}, 
					'rows' => $Config{"terminal_height"});
	my $cline_vt = Term::VT102->new ('cols' => $Config{"terminal_width"}, 
					'rows' => $Config{"terminal_height"});

	my $converter = Text::Iconv->new($Config{"encoding"}, "utf-8")
		if ($Config{"encoding"} && $Config{"encoding"} !~ /^utf-8$/i);
		
	print "Loading lm-scripts...\n" if $Config{"verbose"} =~ /y/;

	my @lab_scripts = <$lab_scripts_path/$lab_scripts_mask>;
	my $file;
	my $files_number = $#lab_scripts;
	my $ii = 0;
	my $skip_info;

	my $commandlines_loaded =0;
	my $commandlines_processed =0;

	for $file (@lab_scripts){
		#printf "\t%i %3.2f\n", $ii, (100*$ii++/$files_number) if $Config{"verbose"} =~ /y/;

		open (FILE, "$file");
		binmode FILE;
		$file =~ m@.*/(.*?)-.*@;
		
		my $tty = $1;
		my $first_pass = 1;
		my %cl;
		my $last_output_length=0;
		while (<FILE>) {
			$commandlines_processed++;
				# time

			if (/[0-9][0-9]:[0-9][0-9]:[0-9][0-9].\[[0-9][0-9]D.\[K/ && m/$cline_re/) {
				s/.*\x0d(?!\x0a)//;
		#		print "!!!",$_,"!!!\n";
			#	next;
			#	while (m/$cline_re1/gs) {
			#	}
				m/$cline_re2/gs;

				$commandlines_loaded++;
				$last_output_length=0;

				# Previous command
				my %last_cl = %cl;
				my $err = $1 || "";

				# Parse new command 
				$cl{"uid"} = $2;
				$cl{"euid"} = $cl{"uid"};	# Если в команде обнаружится sudo, euid поменяем на 0
				$cl{"pid"} = $3;
				$cl{"day"} = $4;
				$cl{"lab"} = $5;
				$cl{"hour"} = $6;
				$cl{"min"} = $7;
				$cl{"sec"} = $8;
				$cl{"fullprompt"} = $9;
				$cl{"prompt"} = $10;
				$cl{"raw_cline"} = $11;	

				$cl{"err"} = 0;
				$cl{"output"} = "";
				$cl{"tty"} = $tty;

				$cline_vt->process($cl{"raw_cline"}."\n");
				$cl{"cline"} = $cline_vt->row_plaintext (1);
				$cl{"cline"} =~ s/\s*$//;
				$cline_vt->reset();

				my %commands = extract_from_cline("commands", $cl{"cline"});
				$cl{"euid"}=0 if defined $commands{"sudo"};
				my @comms = sort { $commands{$a} cmp $commands{$b} } keys %commands; 
				$cl{"last_command"} = $comms[$#comms] || ""; 
		
				if (
				$Config{"suppress_editors"} =~ /^y/i 
					&& grep ($_ eq $cl{"last_command"}, @{$Config{"editors"}}) ||
				$Config{"suppress_pagers"}  =~ /^y/i 
					&& grep ($_ eq $cl{"last_command"}, @{$Config{"pagers"}}) ||
				$Config{"suppress_terminal"}=~ /^y/i 
					&& grep ($_ eq $cl{"last_command"}, @{$Config{"terminal"}})
				) {
					$cl{"suppress_output"} = "1";
				}
				else {
					$cl{"suppress_output"} = "0";
					
				}
				$skip_info = 0;


				print " ",$cl{"last_command"};

				# Processing previous command line
				if ($first_pass) {
					$first_pass = 0;
					next;
				}

				# Error code
				$last_cl{"err"}=$err;
				$last_cl{"err"}=130 if $err eq "^C";

				if (grep ($_ eq $last_cl{"last_command"}, @{$Config{"editors"}})) {
					bind_diff(\%last_cl);
				}

				# Output
				if (!$last_cl{"suppress_output"} || $last_cl{"err"}) {
					for (my $i=0; $i<$Config{"terminal_height"}; $i++) {
						my $line= $vt->row_plaintext($i);
						next if !defined ($line) || $line =~ /^\s*$/;
						$line =~ s/\s*$//;
						$last_cl{"output"} .= $line."\n";
					}
				}
				else {
					$last_cl{"output"}= "";
				}

				$vt->reset();


				# Classifying the command line


				# Save 
				if (!$Config{"lab"} || $cl{"lab"} eq $Config{"lab"}) {
					# Changing encoding 
					for (keys %last_cl) {
						$last_cl{$_} = $converter->convert($last_cl{$_})
							if ($Config{"encoding"} && 
							$Config{"encoding"} !~ /^utf-8$/i);
					}
					push @Command_Lines, \%last_cl;	
				}	
				next;
			}
			$last_output_length+=length($_);
			#if (!$cl{"suppress_output"} || $last_output_length < 5000) {
			if ($last_output_length < 50000) {
				#print "(",length($_),")" if (length($_) > 2000) ;
				$vt->process("$_"."\n") 
			}
			else
			{
				if (!$skip_info) {
					print "($cl{last_command})";
					$skip_info = 1;
				}
			}
		}	
		close(FILE);

	}
	if ($Config{"verbose"} =~ /y/) {
		print "...finished." ;
		print "Lines loaded: $commandlines_processed\n";
		print "Command lines: $commandlines_loaded\n";
	}
}

sub search_by
{
	my $sm = shift;
	my $topic = shift;
	$topic =~ s/ /+/;
	
	return "<a href='".	$Search_Machines{$sm}->{"query"}."$topic'><img width='16' height='16' src='".
				$Search_Machines{$sm}->{"icon"}."' border='0'/></a>";
}

sub make_comment
{
	my $commands = $_[0];
	my $files = $_[1];
	chomp $commands;
	chomp $files;
	return if (!$commands && !$files);

	my $comment=""; 

	# Commands
	for my $command (split /\s+/,$commands) {
		$command =~ s/'//g;
		my $description="";
		eval { $description=`mywi-client '$command'`; } ;
		$description = join ("<br>\n", grep(/\([18]\)/, split(/\n/, $description)));
		$description =~ s/.*?-//;
		next if $description =~ /^\s*$/; 
		
		my $query=$command." ".$Config{"keywords"};
		$query =~ s/\ /+/g;
		my $search= 	search_by("opennet",$query).
				search_by("local",$command).
				search_by("google",$query);

		$comment .=     "<tr><td class='note_title'>$command</td>".
				"<td class='note_search'>$search</td>".
				"</tr><tr><td width='100%' colspan='2' class='note_text'>".
				"$description</td></tr><tr/>";
	}
	
	# Files
	for my $file (split /\s+/,$files) {
		$file =~ s@.*/@@;
		$file =~ s/'//g;
		next if $file =~ /^\s*$/;
		next if $file =~ /^-/;
		
		my $description=`mywi '$file'`;
		$description = join ("<br>\n", grep(/\(5\)/, split(/\n/, $description)));
		next if $description =~ /^\s*$/; 

		my $query=$file." ".$Config{"files_keywords"};
		$query =~ s/\ /+/g;
		my $search= 	search_by("opennet",$query).
				search_by("local",$file).
				search_by("google",$query);

		$comment .=     "<tr><td class='note_title'>$file</td>".
				"<td class='note_search'>$search</td>".
				"</tr><tr><td width='100%' colspan='2' class='note_text'>".
				"$description</td></tr><tr/>";
	}


	return $comment;
}

sub printq
{
	my $TO = shift;
	my $text = join "", @_;
	$text =~ s/&/&amp;/g;
	$text =~ s/</&lt;/g;
	$text =~ s/>/&gt;/g;
	print $TO $text;
}


sub sort_command_lines
{
	print "Sorting command lines...\n" if $Config{"verbose"} =~ /y/;

	# Sort Command_Lines
	# Write Command_Lines to Command_Lines_Index

	my @index;
	for (my $i=0;$i<=$#Command_Lines;$i++) {
		$index[$i]=$i;
	}

	@Command_Lines_Index = sort {
		$Command_Lines[$index[$a]]->{"day"} cmp $Command_Lines[$index[$b]]->{"day"} ||
		$Command_Lines[$index[$a]]->{"hour"} <=> $Command_Lines[$index[$b]]->{"hour"} ||
		$Command_Lines[$index[$a]]->{"min"} <=> $Command_Lines[$index[$b]]->{"min"} ||
		$Command_Lines[$index[$a]]->{"sec"} <=> $Command_Lines[$index[$b]]->{"sec"}
	} @index;

	print "...finished\n" if $Config{"verbose"} =~ /y/;

}

sub process_command_lines
{
	my $lab_scripts_path = $_[0];
	
	for my $i (@Command_Lines_Index) {

		my $cl = \$Command_Lines[$i];
		@{${$cl}->{"new_commands"}} =();
		@{${$cl}->{"new_files"}} =();
		$$cl->{"class"} = ""; 

		if ($$cl->{"err"}) {
			$$cl->{"class"}="wrong";
			$$cl->{"class"}="interrupted"
				if ($$cl->{"err"} eq 130);
		}	
		if (!$$cl->{"euid"}) {
			$$cl->{"class"}.="_root";
		}
		
#tab#		my @tab_words=split /\s+/, $$cl->{"output"};
#tab#		my $last_word= $$cl->{"cline"} =~ /(\S*)$/;
#tab#		$last_word =~ s@.*/@@;
#tab#		my $this_is_tab=1;
#tab#
#tab#		if ($last_word && @tab_words >2) {
#tab#			for my $tab_words (@tab_words) {
#tab#				if ($tab_words !~ /^$last_word/) {
#tab#					$this_is_tab=0;
#tab#					last;
#tab#				}
#tab#			}
#tab#		}	
#tab#		$$cl->{"class"}="tab" if $this_is_tab;
		

		if ( !$$cl->{"err"}) {
			# Command does not contain mistakes
			
			my %commands = extract_from_cline("commands", ${$cl}->{"cline"});
			my %files = extract_from_cline("files", ${$cl}->{"cline"});

			# Searching for new commands only
			for my $command (keys  %commands) {
				if (!defined $Commands_Stat{$command}) {
					push @{$$cl->{new_commands}}, $command;
				}	
				$Commands_Stat{$command}++;
			}
			
			for my $file (keys  %files) {
				if (!defined $Files_Stat{$file}) {
					push @{$$cl->{new_files}}, $file;
				}	
				$Files_Stat{$file}++;
			}
		}	
	}	

}


=cut 
Вывести результат обработки журнала.
=cut


sub print_command_lines
{
	my $output_filename=$_[0];
	my $format = $Config{"output_format"};

	my $course_name = $Config{"course-name"};
	my $course_code = $Config{"course-code"};
	my $course_date = $Config{"course-date"};
	my $course_center = $Config{"course-center"};
	my $course_trainer = $Config{"course-trainer"};
	my $course_student = $Config{"course-student"};
	
	open(OUT, ">", $output_filename)
		or die "Can't open $output_filename for writing\n";



	if ($format eq "html") {
	# vvvv HTML Header 
		print OUT <<HEADER;
		<html>
		<head>
		<meta content='text/html; charset=utf-8' http-equiv='Content-Type' />
		<link rel='stylesheet' href='labmaker.css' type='text/css'/>
		</head>
		<body>
		<script>
		function getElementsByClassName(Class_Name)
		{
			var Result=new Array();
			var All_Elements=document.all || document.getElementsByTagName('*');
			for (i=0; i<All_Elements.length; i++)
				if (All_Elements[i].className==Class_Name)
			Result.push(All_Elements[i]);
			return Result;
		}
		function ShowHide (name)
		{
			elements=getElementsByClassName(name);
			for(i=0; i<elements.length; i++)
				if (elements[i].style.display == "none")
					elements[i].style.display = "";
				else
					elements[i].style.display = "none";
				//if (elements[i].style.visibility == "hidden")
				//	elements[i].style.visibility = "visible";
				//else
				//	elements[i].style.visibility = "hidden";
		}
		function filter_by_output(text)
		{
			
			var jjj=0;
			
			elements=getElementsByClassName('command');
			for(i=0; i<elements.length; i++) {
				subelems = elements[i].getElementsByTagName('pre');
				for(j=0; j<subelems.length; j++) {
					if (subelems[j].className = 'output') {
						var str = new String(subelems[j].nodeValue);
						if (jjj != 1) { 
							alert(str);
							jjj=1;
						}
						if (str.indexOf(text) >0) 
							subelems[j].style.display = "none";
						else
							subelems[j].style.display = "";

					}
						
				}
			}		

		}
		</script>
		<h2>Журнал лабораторных работ</h2>

		<p>
		Выполнил $course_student<br/>
		Проверил $course_trainer <br/>
		Курс $course_name ($course_code),
		$course_date<br/>
		Учебный центр $course_center <br/>
		</p>

		<ul>
			<li><a href='#log'>Журнал</a></li>
			<li><a href='#stat'>Статистика</a></li>
			<li><a href='#help'>Справка</a></li>
			<li><a href='#about'>О программе</a></li>
		</ul>

		<h3 id="log">Журнал</h3>
HEADER
		print OUT "<table class='visibility_form'><tr><td><form>\n";
		for my $element (keys %Elements_Visibility)
		{
			my @e = split /\s+/, $element;
			my $showhide = join "", map { "ShowHide('$_');" } @e ;
			print OUT "<input type='checkbox' name='$e[0]' onclick=\"$showhide\" checked>",
					$Elements_Visibility{$element},
					"</input><br>\n";
		}
		#print OUT "<input type='text' size='10' name=\"by_command\"/>".
		#"<input type='button' value='фильтр по командам' onclick=\"filter_by_command()\"/> <br>\n";
		#print OUT "<input type='text' size='10' name=\"by_output\"/>".
		#"<input type='button' value='фильтр по результату' ".
		#"onclick=\"filter_by_output(this.form.by_output.value)\"/> <br>\n";

		print OUT "</form></td></tr></table>\n";
		print OUT "<table width='100%'>\n";
	# ^^^^ HTML Header 
	}
	else {
		# XML Header
		print OUT "<script>\n"
	}
	
	my $cl;
	my $last_tty="";
	my $last_day="";
	my $in_range=0;
	for my $i (@Command_Lines_Index) {

		
		$cl = $Command_Lines[$i];

		if ($Config{"from"} && $cl->{"cline"} =~ /$Config{"signature"}\s*$Config{"from"}/) {
			$in_range=1;
			next;
		}
		if ($Config{"to"} && $cl->{"cline"} =~ /$Config{"signature"}\s*$Config{"to"}/) {
			$in_range=0;
			next;
		}
		next if ($Config{"from"} && $Config{"to"} && !$in_range) 
			||
		    	($Config{"skip_empty"} =~ /^y/i && $cl->{"cline"} =~ /^\s*$/ )
			||
			($Config{"skip_wrong"} =~ /^y/i && $cl->{"err"} != 0)
			||
			($Config{"skip_interrupted"} =~ /^y/i && $cl->{"err"} == 130);
		
		my @new_commands=@{$cl->{"new_commands"}};
		my @new_files=@{$cl->{"new_files"}};

		my $cl_class="cline";
		my $out_class="output";
		if ($cl->{"class"}) {
			$cl_class = $cl->{"class"}."_".$cl_class;
			$out_class = $cl->{"class"}."_".$out_class;
		}

		my $output="";
		if ($Config{"head_lines"} || $Config{"tail_lines"}) {
			# Partialy output
			my @lines = split '\n', $cl->{"output"};
			# head
			my $mark=1;
			for (my $i=0; $i<= $#lines && $i < $Config{"head_lines"}; $i++) {
				$output .= $lines[$i]."\n";
			}
			# tail
			my $start=$#lines-$Config{"tail_lines"}+1;
			if ($start < 0) {
				$start=0;
				$mark=0;
			}	
			if ($start < $Config{"head_lines"}) {
				$start=$Config{"head_lines"};
				$mark=0;
			}	
			$output .= $Config{"skip_text"}."\n" if $mark;
			for (my $i=$start; $i<= $#lines; $i++) {
				$output .= $lines[$i]."\n";
			}
		} 
		else {
			# Full output
			$output .= $cl->{"output"};
		}	
		$output .= "^C\n" if ($cl->{"err"} eq "130");


# Printing out

		# <command>
		print OUT $format eq "html" 
				? "<tr class='command'>\n"
				: "\n<action time='$cl->{hour}:$cl->{min}:$cl->{sec}' tty='$cl->{tty}'>\n";
						
		
		if ($format eq "html") {

			# DAY CHANGE
			if ( $last_day ne $cl->{"day"}) {
				print OUT "<td colspan='6'><p></p><h3>День ",$cl->{"day"},"</h4></td></tr><tr>";
				$last_day=$cl->{"day"};
			}

			# CONSOLE CHANGE
			if ( $last_tty ne $cl->{"tty"}) {
				print OUT "<td colspan='6'><table><tr><td class='ttychange' width='140' align='center'>",$cl->{"tty"},"</td><td/></tr></table></td></tr><tr>";
				$last_tty=$cl->{"tty"};
			}

			# TIME
			if ($Config{"show_time"} =~ /^y/i) {
				print OUT "<td valign='top' class='time' width='$Config{time_width}'><pre>",
					$cl->{"hour"}, ":", $cl->{"min"}, ":", $cl->{"sec"},
					"</td>";
			} else {
				print OUT "<td width='0'/>"
			}
		}	

		# COMMAND


		if ($format eq "html") {
			print OUT "<td class='script'>\n";
			print OUT "<pre class='$cl_class'>\n";
			my $cline = $cl->{"cline"};
			$cline =~ s/\n//;
			printq(\*OUT,$cl->{"prompt"},$cl->{"cline"});
#			printq(\*OUT,"(sudo ".$cl->{"last_command"}.")\n") if !$cl->{"euid"};
			print OUT "</pre>\n";
		} 
		else {
			print OUT "<line class='$cl_class'>\n";
			print OUT "<prompt>";
			printq(\*OUT,$cl->{"prompt"});
			print OUT "</prompt>";
			print OUT "<command>";
			printq(\*OUT,$cl->{"cline"});
			print OUT "</command>";
			print OUT "\n</line>\n";
		}

		my $last_command = $cl->{"last_command"};
		if (!( 
		$Config{"suppress_editors"} =~ /^y/i && grep ($_ eq $last_command, @{$Config{"editors"}}) ||
		$Config{"suppress_pagers"}  =~ /^y/i && grep ($_ eq $last_command, @{$Config{"pagers"}}) ||
		$Config{"suppress_terminal"}=~ /^y/i && grep ($_ eq $last_command, @{$Config{"terminal"}})
			)) {

			if ($format eq "html") {
				print OUT "<pre class='$out_class'>";
				printq(\*OUT,$output);
				print OUT "</pre>\n";
			} 
			else {
				print OUT "<output class='$out_class'>\n";
				printq(\*OUT,$output);
				print OUT "</output>\n";
			}
		}	

		# DIFF
		if ( $Config{"show_diffs"} =~ /^y/i && $cl->{"diff"}) {
			if ($format eq "html") {
				#print Dumper(%{$cl->{"diff"}});
				print OUT "<table><tr><td width='5'/><td class='diff'><pre>";
				printq(\*OUT,${$Diffs[$cl->{"diff"}]}{"text"});
				print OUT "</pre></td></tr></table>";
			}
			else {
				print OUT "<diff>\n";
				printq(\*OUT,${$Diffs[$cl->{"diff"}]}{"text"});
				print OUT "</diff>\n";
			}
		}

		# COMMENT
		if ( $Config{"show_comments"} =~ /^y/i) {
			my $comment = make_comment(join(" ",@new_commands), join (" ",@new_files));
			if ($comment) {
				if ($format eq "html") {
					print OUT "<table width='$Config{comment_width}'>".
							"<tr><td width='5'/><td>";
					print OUT "<table class='note' width='100%'>";
					print OUT $comment;
					print OUT "</table>\n";
					print OUT "</td></tr></table>";
				}
			#	else {
			#		print OUT "<comment>";
			#		printq(\*OUT,$comment);
			#		print OUT "</comment>";
			#	}
			}
		}

		if ($format eq "html") {
			print OUT "</td>\n";
			print OUT "</tr>\n";
		}
		else {
			print OUT "</action>\n";
		}
		
	}
	if ($format eq "html") {
		print OUT "</table>\n";

		print OUT "<hr/>";
		print OUT "<h3 id='stat'>Статистика</h4>";
		print OUT "Статистическая информация о журнале<br/>";
		print OUT "<hr/>";
		print OUT "<h3 id='help'>Справка</h4>";
		print OUT "$Html_Help<br/>";
		print OUT "<hr/>";
		print OUT "<h3 a='about'>О программе</h4>";
		print OUT "$Html_About";
		print OUT "</body>\n";
		print OUT "</html>\n";
	} 
	else {
		print OUT "</script>\n";
	}
	close(OUT);
}

sub read_config_file
{
	my $config = $_[0];
	my $filename = $_[1];
	open(CONFIG, "$filename")
		or return;
	while (<CONFIG>) {
		s/#.*//;
		next if /^\s*$/;
		my ($var, $val) =  split /\s*=\s*/, $_, 2;
		$var =~ s/\s*//;
		$config->{$var} = $val;
	}
	close(CONFIG);
}


sub print_command_lines2
{
	my $output_filename=$_[0];
	open(OUT, ">", $output_filename)
		or die "Can't open $output_filename for writing\n";


	print OUT <<OUT;
<log>
OUT

	my $cl;
	for my $i (@Command_Lines_Index) {

		
		$cl = $Command_Lines[$i];


# Printing out
		print OUT <<OUT;
	<command>
		<day>$cl->{day}</day>
		<hour>$cl->{hour}</hour>
		<min>$cl->{min}</min>
		<sec>$cl->{sec}</sec>
		<tty>$cl->{tty}</tty>
		<uid>$cl->{uid}</uid>
		<euid>$cl->{euid}</euid>
		<prompt>$cl->{prompt}</prompt>
		<cline>$cl->{cline}</cline>
		<status>$cl->{err}</cline>
		<output>
$cl->{output}</output>
	</command>
OUT
	}

	for my $diff (@Diffs) {

		print OUT <<OUT;
	<diff>
		<path>$diff->{path}</path>
		<uid>$diff->{uid}</uid>
		<day>$diff->{day}</day>
		<hour>$diff->{hour}</hour>
		<min>$diff->{min}</min>
		<sec>$diff->{sec}</sec>
		<text>
$diff->{text}</text>
	</diff>
OUT
	}

	print OUT <<OUT;
</log>
OUT
}


$| = 1;

my %file_config;
my %argv_config;
init_variables;
read_config_file(\%file_config, $Config_File);
GetOptions(\%argv_config, map "$_=s", keys %Config);
%Config = (%Config, %file_config, %argv_config);

my $i=0;

for my $lab_log (split (/\s+/, $Config{"diffs"} || $Config{"input"})) 
{
	load_diff_files($lab_log);
}

for my $lab_log (split /\s+/, $Config{"input"}) 
{
	my $tofile=$Config{"output"};
	$tofile =~ s/$Config{"output_mask"}/$i/;
	#load_diff_files($lab_log);
	load_command_lines($lab_log, $Config{"input_mask"});
	sort_command_lines;
 	process_command_lines($lab_log);
	print_command_lines($tofile);
	$i++;
}


sub init_variables
{
$Html_Help = <<HELP;
	Справка по использованию журнала
HELP

$Html_About = <<ABOUT;
	<p>
	LiLaLo (L3) расшифровывается как Live Lab Log.<br/>
	Программа разработана для повышения эффективности обучения<br/>
	Unix/Linux-системам.<br/>
	(c) Игорь Чубин, 2004-2005<br/>
	</p>
ABOUT
$Html_About.='$Id$ </p>';
}