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<?php

// This is the most inefficient piece of shit you will ever see

require_once('Date.php');

$base = getcwd();
$infile = $base . '/iChat Export.txt';
$outdir = $base . '/Converted Transcripts';
$myscreenname = 'theshane100';
$myname = 'Shaun Chapman';
$abort = false;

// Create the output directory if it doesn't exist
if (!file_exists($outdir)) {
mkdir($outdir);
}

$file = file_get_contents($infile);
$lines = explode("
", $file);

$last_alias = '';

foreach ($lines as $line) {
$pieces = explode("	", $line);
$count = count($pieces);
$valid = false;

if ($count == 5) {
$valid = true;
} elseif ($count == 4) {
// Likely a return
$pieces[4] = "
";
$valid = true;
}

if ($valid) {
$alias = $pieces[0];
$info['sender'] = $pieces[1];
$info['time'] = date('Y-m-d', strtotime($pieces[2])) . "T{$pieces[3]}-05:00";
$info['message'] = $pieces[4];

if ($info['sender'] == $myscreenname) {
$info['alias'] = $myname;
} else {
$info['alias'] = $alias;
}

$alias_arr[$alias][] = $info;
}
}

// Build the dictionary
foreach ($alias_arr as $messages) {
foreach ($messages as $message) {
if (!isset($dictionary[$message['alias']])) {
$dictionary[$message['alias']] = $message['sender'];
} elseif ($dictionary[$message['alias']] != $message['sender']) {
echo "Warning:  {$message['alias']} matches with both {$dictionary[$message['alias']]} and {$message['sender']}.
";
//$abort = true;
}
}
}

if ($abort) {
echo "Aborting...
";
exit;
}

// This takes a long time
foreach ($alias_arr as $alias => $messages) {
$last_time = new Date();
$log_num = 0;

foreach ($messages as $message) {
$this_time = new Date($message['time']);
$span = new Date_Span();
$span->setFromDateDiff($last_time, $this_time);

if ((int)$span->toHours() >= 1) {
$last_time = $this_time;
$log_num++;
}

$log_arr[$alias][$log_num][] = $message;
}
}

// Write matched files
foreach ($log_arr as $alias => $logs) {
$matched_folder = "$outdir/Matched";
$not_matched_folder = "$outdir/Not Matched";

if (!file_exists($matched_folder))
mkdir($matched_folder);

if (!file_exists($not_matched_folder))
mkdir($not_matched_folder);

foreach ($logs as $log) {
// Find the other screenname
$screenname = $myscreenname;

foreach ($log as $message) {
if ($message['sender'] != $myscreenname) {
$screenname = $message['sender'];
}
}

if ($screenname != $myscreenname) {
$sn_folder = "$matched_folder/$screenname";
} else {
// Try to match the screenname
if (!empty($dictionary[$alias])) {
$screenname = $dictionary[$alias];
echo "Matched $alias to $screenname.
";
$sn_folder = "$matched_folder/{$dictionary[$alias]}";
} else {
$screenname = '[Unknown]';
echo "Could not find match for $alias.
";
$sn_folder = "$not_matched_folder/$alias";
}
}

if (!file_exists($sn_folder)) {
mkdir($sn_folder);
}

$start_time = $log[0]['time'];
$end_time = $log[count($log) - 1]['time'];
$log_folder = "$sn_folder/$screenname (" . str_replace(':', '.', str_replace('-05:00', '-0500', $start_time)) . ").chatlog";
$log_file = "$log_folder/$screenname (" . str_replace(':', '.', str_replace('-05:00', '-0500', $start_time)) . ").xml";
$output = '';

// Create log folder if it doesn't exist
if (!file_exists($log_folder)) {
mkdir($log_folder);
}

$output .= '<?xml version="1.0" encoding="UTF-8" ?>' . "
";
$output .= "<!-- Converted from iChat Transcript -->
";
$output .= '<chat xmlns="http://purl.org/net/ulf/ns/0.4-02" account="' . $myscreenname . '" service="AIM">';
$output .= '<event type="windowOpened" sender="' . $myscreenname . '" time="' . $start_time . '"/>' . "
";

foreach ($log as $message) {
$output .= '<message sender="' . $message['sender'] . '" time="' . $message['time'] . '" alias="' . $message['alias'] . '">';
$output .= '<div><span style="font-family: Helvetica; font-size: 12pt;">';
$output .= str_replace("
", '', nl2br(htmlspecialchars($message['message'])));
$output .= '</span></div></message>' . "
";
}

$output .= '<event type="windowClosed" sender="' . $myscreenname . '" time="' . $end_time . '"/>' . "
";
$output .= "</chat>
";

// Write to file
file_put_contents($log_file, $output);
}
}

?>

source