<?php
// Simple file viewer
// Allows viewing of files with word wrap.
function mq($x) {
if (get_magic_quotes_gpc()) return stripslashes($x);
else return $x;
}
$file = mq($_GET['file']);
$title = mq($_GET['title']);
$numbers = mq($_GET['numbers']);
$search = mq($_GET['search']);
$file = trim($file);
if ($title == '') $title = $file;
$files = explode("\n", file_get_contents('viewtext.txt'));
foreach($files as $idx => $line) {
if ($line != '') {
$parts = explode('|', $line);
$name = $parts[0];
$label = '';
if (count($parts) > 1) $label = " - " . $parts[1];
if ($file != '') $files[$idx] = $name;
else {
$files[$idx] = "<input type='radio' name='file' value='$name'/> <a href=\"?file=$name\">$name</a>$label<br/>";
if (count($files) > ($idx+2) && $files[$idx+1] == '') {
$files[$idx] .= "<br/>";
}
}
}
}
if ($file == '') {
if ($title == '') $title = "Text Viewer";
} else {
if (!in_array($file, $files)) {
echo "Thought you could access some random file, didn't you. Not!";
return;
}
$text = htmlspecialchars(file_get_contents($file));
// Do search, if requested
if ($search != '') {
$i = 1;
// Escape special chars in the search string
$search = preg_replace("=([/\\\\^$.[\\]|()?*+{}])=", '\\\\$1', $search);
// Now replace instances of the search string
$text = preg_replace_callback('/' . $search . '/i', "searchBody", $text);
// Make the last match loop around
$text = str_replace('href="#' . $i . '">', 'href="#1">', $text);
}
// Add line numbers, if requested
if ($numbers != '') {
$lines = explode("\n", $text);
$cnt = count($lines);
$digits = strlen($cnt);
$format = "%0" . $digits . 'd';
$i = 1;
foreach ($lines as $idx => $line) {
if ($i < $cnt || $line != '') {
$lines[$idx] = '<a name="line' . $i . '" href="#line' . $i . '">' .
sprintf($format, $i) . '</a> ' . $line;
}
$i++;
}
$text = implode("\n", $lines);
}
// Add line breaks
$text = str_replace("\n", "<br>\n", $text);
// Make spaces non-breaking
$text = str_replace(" ", " ", $text);
// And change the non-duplicated ones back to spaces
$text = preg_replace("/([^;]) ([^&])/", "$1 $2", $text);
// Once more to get the remaining after single chars
$text = preg_replace("/([^;]) ([^&])/", "$1 $2", $text);
}
function searchBody($match) {
global $i;
return '<a name="' . $i . '" href="#' . ++$i . '"><b>' . $match[0] . '</b></a>';
}
?>
<html>
<head>
<title><?php echo htmlspecialchars($title); ?></title>
</head>
<body>
<?php
if ($file != '') {
?>
<div style="font-family: courier">
<?php echo $text; ?>
</div>
<?php
} else {
echo "You may view the following files.<br>Click on a file name or click a radio button and click one of the buttons below the list.<p>\n";
echo "<form action='#1' method='get'>\n";
foreach ($files as $line) echo $line;
echo "<p>Search selected file for: <input type='text' name='search'> <input type='submit' name='Go' value='Go'/>\n";
echo "<br>View selected file with line numbers? <input type='submit' name='numbers' value='Yes'>\n";
echo "</form>\n";
}
?>
</body>
</html>
<?php
// Copyright 2008 Bill St. Clair
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions
// and limitations under the License.
?>
