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<?php
$OTS = '/usr/bin/ots';
loadurl();
if(!isset($_REQUEST['format']) || $_REQUEST['format'] =! 'text'){
header('Content-Type: text/html; charset=utf-8');
html_header();
form();
if(!empty($_REQUEST['text']) || !empty($_REQUEST['url'])){
echo '<div id="out">';
echo nl2br(htmlspecialchars(ots()));
echo '</div>';
}
html_footer();
}else{
header('Content-Type: text/plain; charset=utf-8');
if(!empty($_REQUEST['text']) || !empty($_REQUEST['url'])){
echo ots();
}
}
function loadurl(){
if(empty($_REQUEST['url'])) return;
$text = file_get_contents($_REQUEST['url']);
if(preg_match('#(<body[^>]*>)(.*)(</body>)#si',$text,$match)){
$text = $match[2];
}
$text = preg_replace('#(<script).*?(</script>)#si','',$text);
$text = preg_replace('#(<style).*?(</style>)#si','',$text);
$text = strip_tags($text);
$text = html_entity_decode($text,ENT_QUOTES,'UTF-8');
$text = preg_replace('/^\s*/m','',$text);
$text = preg_replace('/\s*$/m','',$text);
$text = preg_replace('/[\r\n]\s*[\r\n]/m',"\n",$text);
$_REQUEST['text'] = $text;
unset($_REQUEST['url']);
}
function ots(){
global $OTS;
// store text in a tempfile - I'm to lazy for procopen stuff ;-)
$tmpfile = tempnam(sys_get_temp_dir(),'OTS');
if(!empty($_REQUEST['text'])){
file_put_contents($tmpfile,$_REQUEST['text']);
}
// prepare command
$cmd = $OTS;
if(isset($_REQUEST['type']) && $_REQUEST['type'] == 'tag'){
$cmd .= ' -a';
}
if(isset($_REQUEST['ratio'])){
$cmd .= ' -r '.((int) $_REQUEST['ratio']);
}
if(isset($_REQUEST['lang'])){
$cmd .= ' -d '.escapeshellarg($_REQUEST['lang']);
}
$cmd .= ' '.escapeshellarg($tmpfile);
// execute
exec($cmd,$output,$return);
// remove temporary file
unlink($tmpfile);
if($return != 0) return "!!!ERROR: OTS failed";
return join("\n",$output);
}
function form(){
echo '<form action="#out" method="post">';
echo '<fieldset>';
echo '<legend>Input</legend>';
echo '<textarea name="text" id="text" rows="5" cols="80">'.
((!empty($_REQUEST['text'])) ? htmlspecialchars($_REQUEST['text']) : '').
'</textarea>';
echo '<br />';
echo '<input type="text" name="url" id="url" value="'.
((!empty($_REQUEST['url'])) ? htmlspecialchars($_REQUEST['url']) : '').'" />';
echo '<label for="url">(or load from URL)</label>';
echo '</fieldset>';
echo '<fieldset>';
echo '<legend>Output</legend>';
echo inp_radio('type','sum','Summary',true);
echo inp_radio('type','tag','Keywords');
echo '</fieldset>';
echo '<fieldset>';
echo '<legend>Summarization Ratio</legend>';
echo inp_radio('ratio','5','5%');
echo inp_radio('ratio','10','10%');
echo inp_radio('ratio','20','20%',true);
echo inp_radio('ratio','30','30%');
echo inp_radio('ratio','40','40%');
echo inp_radio('ratio','50','50%');
echo inp_radio('ratio','60','60%');
echo inp_radio('ratio','70','70%');
echo inp_radio('ratio','80','80%');
echo '</fieldset>';
echo '<fieldset>';
echo '<legend>Language</legend>';
echo inp_dropdown('lang',explode(' ','bg ca cs cy da de el en eo es et eu fi fr ga gl he hu ia id is it lv mi ms mt nl nn pl pt ro ru sv tl tr uk yi'),'en');
echo '</fieldset>';
echo '<input type="submit" />';
echo '</form>';
}
function inp_radio($name, $val, $label,$isdefault=false){
$checked = false;
if(!empty($_REQUEST[$name])){
if($_REQUEST[$name] == $val){
$checked = true;
}
}elseif($isdefault){
$checked = true;
}
return '<input type="radio" name="'.htmlspecialchars($name).'" '.
'id="'.htmlspecialchars($name).'_'.htmlspecialchars($val).'" '.
'value="'.htmlspecialchars($val).'" '.
($checked ? 'checked="checked"' : '').
'/><label for="'.htmlspecialchars($name).'_'.
htmlspecialchars($val).'">'.htmlspecialchars($label).'</label>';
}
function inp_dropdown($name, $vals, $default){
$out = '<select id="'.htmlspecialchars($name).'" '.
'name="'.htmlspecialchars($name).'">';
foreach($vals as $val){
$checked = false;
if(!empty($_REQUEST[$name])){
if($_REQUEST[$name] == $val){
$checked = true;
}
}elseif($val == $default){
$checked = true;
}
$out .= '<option value="'.htmlspecialchars($val).'" '.($checked ? 'selected="selected"' : '').'>'.
htmlspecialchars($val).'</option>';
}
$out .= '</select>';
return $out;
}
function html_header(){
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> ';
?>
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>OTS</title>
<meta http-equiv="Content-type" content="text/html;charset=UTF-8" />
<style type="text/css">
* {
padding: 0;
margin: 0;
font-family: Arial, sans-serif;
}
body {
color: #000;
background-color: #fff;
padding: 1em;
}
a, h1 {
color: #6A8AD4;
}
h1 {
font-size: 120%
}
fieldset, input, textarea {
border: 1px solid #6A8AD4;
}
fieldset, div, p {
padding: 1em;
margin: 1em 0;
}
label {
margin-left: 0.1em;
margin-right: 0.5em;
}
</style>
</head>
<body>
<h1>Text Summarizer</h1>
<?php
}
function html_footer(){
echo '<p><small>';
echo '<a href="http://gist.github.com/399029">Webinterface</a> for <a href="http://libots.sourceforge.net/">Open Text Summarizer</a>';
echo '</small></p>';
echo '</body>';
echo '</html>';
}
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