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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 | <?php/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- *//*# ***** BEGIN LICENSE BLOCK *****# This file is part of InDefero, an open source project management application.# Copyright (C) 2008-2011 Céondo Ltd and contributors.## InDefero 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.## InDefero 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## ***** END LICENSE BLOCK ***** *//** * File utilities. * */class IDF_FileUtil{ /** * Extension supported by the syntax highlighter. */ public static $supportedExtenstions = array( 'ascx', 'ashx', 'asmx', 'aspx', 'browser', 'bsh', 'c', 'cl', 'cc', 'config', 'cpp', 'cs', 'csh', 'csproj', 'css', 'cv', 'cyc', 'el', 'fs', 'h', 'hh', 'hpp', 'hs', 'html', 'html', 'java', 'js', 'lisp', 'master', 'pas', 'perl', 'php', 'pl', 'pm', 'py', 'rb', 'scm', 'sh', 'sitemap', 'skin', 'sln', 'svc', 'vala', 'vb', 'vbproj', 'vbs', 'wsdl', 'xhtml', 'xml', 'xsd', 'xsl', 'xslt'); public static $map = array("cxx" => "cpp", "h" => "cpp", "hpp" => "cpp", "rc"=>"text", "sh"=>"bash", "cs"=>"csharp"); public static $syntaxhighlightext = array("html", "as3", "cf", "cpp", "c", "css", "pas", "diff", "patch", "erl", "java", "jfx", "js", "pl", "php", "py", "rb", "sass", "scss", "scala", "sql", "vb", ); /** * Test if an extension is supported by the syntax highlighter. * * @param string The extension to test * @return bool */ public static function isSupportedExtension($extension) { return in_array($extension, self::$supportedExtenstions); } /** * Returns a HTML snippet with a line-by-line pre-rendered table * for the given source content * * @param array file information as returned by getMimeType or getMimeTypeFromContent * @param string the content of the file * @return string */ public static function highLight($fileinfo, $content) { $pretty = ''; if (self::isSupportedExtension($fileinfo[2])) { $pretty = ' prettyprint'; } $table = array(); $i = 1; /*foreach (self::splitIntoLines($content) as $line) { $table[] = '<tr class="c-line"><td class="code-lc" id="L'.$i.'"><a href="#L'.$i.'">'.$i.'</a></td>' .'<td class="code mono'.$pretty.'">'.self::emphasizeControlCharacters(Pluf_esc($line)).'</td></tr>'; $i++; } return Pluf_Template::markSafe(implode("\n", $table));*/ //var_dump($fileinfo); $ext = ""; if (in_array($fileinfo[2], self::$syntaxhighlightext)) $ext = $fileinfo[2]; elseif (array_key_exists($fileinfo[2], self::$map)) $ext = self::$map[$fileinfo[2]]; else $ext = "text"; if ($ext == "php" || $ext == "html" || $ext == "htm" || $ext == "js") $content = '<div id="highlight"><pre class="brush: ' . $ext . '">' . str_replace("<", "<", $content) . '</pre></div>'; else $content = '<div id="highlight"><script type="syntaxhighlighter" class="brush: ' . $ext . '">' . $content . '</script></div>'; return Pluf_Template::markSafe($content); } /** * Find the mime type of a file. * * Use /etc/mime.types to find the type. * * @param string Filename/Filepath * @param array Mime type found or 'application/octet-stream', basename, extension */ public static function getMimeType($file) { static $mimes = null; if ($mimes == null) { $mimes = array(); $src = Pluf::f('idf_mimetypes_db', '/etc/mime.types'); $filecontent = @file_get_contents($src); if ($filecontent !== false) { $mimes = preg_split("/\015\012|\015|\012/", $filecontent); } } $info = pathinfo($file); if (isset($info['extension'])) { foreach ($mimes as $mime) { if ('#' != substr($mime, 0, 1)) { $elts = preg_split('/ |\t/', $mime, -1, PREG_SPLIT_NO_EMPTY); if (in_array($info['extension'], $elts)) { return array($elts[0], $info['basename'], $info['extension']); } } } } else { // we consider that if no extension and base name is all // uppercase, then we have a text file. if ($info['basename'] == strtoupper($info['basename'])) { return array('text/plain', $info['basename'], 'txt'); } $info['extension'] = 'bin'; } return array('application/octet-stream', $info['basename'], $info['extension']); } /** * Find the mime type of a file using the fileinfo class. * * @param string Filename/Filepath * @param string File content * @return array Mime type found or 'application/octet-stream', basename, extension */ public static function getMimeTypeFromContent($file, $filedata) { // There is a bug/memory leak in finfo_buffer // finfo_buffer works 99% of the time - so rather than // replacing it with some complex mime check system - just create // a list of extensions that we know // And document the types best we can: // po is a translation file in indefero - tried text/plain but the syntax highlight JS library didn't like it $ext_hack = array("po" => "text/plain"); $info = pathinfo($file); $res = array('application/octet-stream', $info['basename'], isset($info['extension']) ? $info['extension'] : 'bin'); if ($info && isset($info["extension"]) && array_key_exists($info["extension"], $ext_hack)) { $res[0] = $ext_hack[$info["extension"]]; return $res; } if (function_exists('finfo_open')) { $finfo = finfo_open(FILEINFO_MIME); $mime = finfo_buffer($finfo, $filedata); finfo_close($finfo); if ($mime) { $res[0] = $mime; } if (!isset($info['extension']) && $mime) { $res[2] = (0 === strpos($mime, 'text/')) ? 'txt' : 'bin'; } elseif (!isset($info['extension'])) { $res[2] = 'bin'; } } return $res; } /** * Splits a string into separate lines while retaining the individual * line ending character for every line. * * OS 9 line endings are not supported. * * @param string content * @param boolean if true, skip completely empty lines * @return string */ public static function splitIntoLines($content, $skipEmpty = false) { $last_off = 0; $lines = array(); while (preg_match("/\r\n|\n/", $content, $m, PREG_OFFSET_CAPTURE, $last_off)) { $next_off = strlen($m[0][0]) + $m[0][1]; $line = substr($content, $last_off, $next_off - $last_off); $last_off = $next_off; if ($line !== $m[0][0] || !$skipEmpty) $lines[] = $line; } $line = substr($content, $last_off); if ($line !== false && strlen($line) > 0) $lines[] = $line; return $lines; } /** * This translates most of the C0 ASCII control characters into * their visual counterparts in the 0x24## unicode plane * * We could add DEL (0x7F) to this set, but unfortunately this * is not nicely mapped to 0x247F in the control plane, but 0x2421 * and adding an if expression below just for this is a little bit * of a hassle. And of course, the more esoteric ones from C1 are * missing as well... * * @param string $content * @return string */ public static function emphasizeControlCharacters($content) { return preg_replace( '/([\x00-\x1F])/ue', '"<span class=\"ctrl-char\" title=\"0x".bin2hex("\\1")."\">$".bin2hex("\\1")."</span>"', $content); } /** * Find if a given mime type is a text file. * This uses the output of the self::getMimeType function. * * @param array (Mime type, file name, extension) * @return bool Is text */ public static function isText($fileinfo) { if (0 === strpos($fileinfo[0], 'text/')) { return true; } $ext = 'mdtext php-dist h gitignore diff patch'; $extra_ext = trim(Pluf::f('idf_extra_text_ext', '')); if (!empty($extra_ext)) $ext .= ' ' . $extra_ext; $ext = array_merge(self::$supportedExtenstions, explode(' ' , $ext)); return (in_array($fileinfo[2], $ext)); }} |
