WordPressを読む 79 /blog/wp-content/plugins/crayon-syntax-highlighter/util/crayon_util.class.php
/blog/wp-content/plugins/crayon-syntax-highlighter/util/crayon_util.class.php
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'|m', $str, $matches); $lines = $matches[0]; // Remove regex syntax and assume all characters are literal if ($escape_regex) { for ($i = 0; $i < count($lines); $i++) { $lines[$i] = self::esc_regex($lines[$i]); // if ($escape_hash || true) { // If we have used \#, then we don't want it to become \\# $lines[$i] = preg_replace('|\\\\\\\\#|', '\#', $lines[$i]); // } } } // Return as string if needed if ($return_string) { // Add line breaks if they were stripped $delimiter = ''; if ($whitespace) { $delimiter = CRAYON_NL; } $lines = implode($lines, $delimiter); } return $lines; } // Returns the contents of a file public static function file($path) { if (($str = @file_get_contents($path)) === FALSE) { return FALSE; } else { return $str; } } /** * Zips a source file or directory. * * @param $src A directory or file * @param $dest A directory or zip file. If a zip file is provided it must exist beforehand. */ public static function createZip($src, $dest, $removeExistingZip = FALSE) { if ($src == $dest) { throw new InvalidArgumentException("Source '$src' and '$dest' cannot be the same"); } if (is_dir($src)) { $src = CrayonUtil::path_slash($src); $base = $src; // Make sure the destination isn't in the files $files = self::getFiles($src, array('recursive' => TRUE, 'ignore' => array($dest))); } else if (is_file($src)) { $files = array($src); $base = dirname($src); } else { throw new InvalidArgumentException("Source '$src' is not a directory or file"); } if (is_dir($dest)) { $dest = CrayonUtil::path_slash($dest); $zipFile = $dest . basename($src) . '.zip'; } else if (is_file($dest)) { $zipFile = $dest; } else { throw new InvalidArgumentException("Destination '$dest' is not a directory or file"); } if ($removeExistingZip) { @unlink($zipFile); } $zip = new ZipArchive; if ($zip->open($zipFile, ZIPARCHIVE::CREATE) === TRUE) { foreach ($files as $file) { $relFile = str_replace($base, '', $file); $zip->addFile($file, $relFile); } $zip->close(); } else { throw new Exception("Could not create zip file at '$zipFile'"); } return $zipFile; } /** * Sends an email in html and plain encodings with a file attachment. * * @param array $args Arguments associative array * 'to' (string) * 'from' (string) * 'subject' (optional string) * 'message' (HTML string) * 'plain' (optional plain string) * 'file' (optional file path of the attachment) * @see http://webcheatsheet.com/php/send_email_text_html_attachment.php */ public static function emailFile($args) { $to = self::set_default($args['to']); $from = self::set_default($args['from']); $subject = self::set_default($args['subject'], ''); $message = self::set_default($args['message'], ''); $plain = self::set_default($args['plain'], ''); $file = self::set_default($args['file']); // MIME $random_hash = md5(date('r', time())); $boundaryMixed = 'PHP-mixed-' . $random_hash; $boundaryAlt = 'PHP-alt-' . $random_hash; $charset = 'UTF-8'; $bits = '8bit'; // Headers $headers = "MIME-Version: 1.0"; $headers .= "Reply-To: $to\r\n"; if ($from !== NULL) { $headers .= "From: $from\r\n"; } $headers .= "Content-Type: multipart/mixed; boundary=$boundaryMixed"; if ($file !== NULL) { $info = pathinfo($file); $filename = $info['filename']; $extension = $info['extension']; $contents = @file_get_contents($file); if ($contents === FALSE) { throw new Exception("File contents of '$file' could not be read"); } $chunks = chunk_split(base64_encode($contents)); $attachment = <<<EOT --$boundaryMixed Content-Type: application/$extension; name=$filename.$extension Content-Transfer-Encoding: base64 Content-Disposition: attachment $chunks EOT; } else { $attachment = ''; } $body = <<<EOT --$boundaryMixed Content-Type: multipart/alternative; boundary=$boundaryAlt --$boundaryAlt Content-Type: text/plain; charset="$charset" Content-Transfer-Encoding: $bits $plain --$boundaryAlt Content-Type: text/html; charset="$charset" Content-Transfer-Encoding: $bits $message --$boundaryAlt-- $attachment --$boundaryMixed-- EOT; $result = @mail($to, $subject, $body, $headers); return $result; } /** * @param $path A directory * @param array $args Argument array: * hidden: If true, hidden files beginning with a dot will be included * ignoreRef: If true, . and .. are ignored * recursive: If true, this function is recursive * ignore: An array of paths to ignore * @return array Files in the directory */ public static function getFiles($path, $args = array()) { $hidden = self::set_default($args['hidden'], TRUE); $ignoreRef = self::set_default($args['ignoreRef'], TRUE); $recursive = self::set_default($args['recursive'], FALSE); $ignore = self::set_default($args['ignore'], NULL); $ignore_map = array(); if ($ignore) { foreach ($ignore as $i) { if (is_dir($i)) { $i = CrayonUtil::path_slash($i); } $ignore_map[$i] = TRUE; } } $files = glob($path . '*', GLOB_MARK); if ($hidden) { $files = array_merge($files, glob($path . '.*', GLOB_MARK)); } if ($ignoreRef || $ignore) { $result = array(); for ($i = 0; $i < count($files); $i++) { $file = $files[$i]; if (!isset($ignore_map[$file]) && (!$ignoreRef || (basename($file) != '.' && basename($file) != '..'))) { $result[] = $file; if ($recursive && is_dir($file)) { $result = array_merge($result, self::getFiles($file, $args)); } } } } else { $result = $files; } return $result; } public static function deleteDir($path) { if (!is_dir($path)) { throw new InvalidArgumentException("deleteDir: $path is not a directory"); } if (substr($path, strlen($path) - 1, 1) != '/') { $path .= '/'; } $files = self::getFiles($path); foreach ($files as $file) { if (is_dir($file)) { self::deleteDir($file); } else { unlink($file); } } rmdir($path); } public static function copyDir($src, $dst, $mkdir = NULL) { // http://stackoverflow.com/questions/2050859 if (!is_dir($src)) { throw new InvalidArgumentException("copyDir: $src is not a directory"); } $dir = opendir($src); if ($mkdir !== NULL) { call_user_func($mkdir, $dst); } else { @mkdir($dst, 0777, TRUE); } while (false !== ($file = readdir($dir))) { if (($file != '.') && ($file != '..')) { if (is_dir($src . '/' . $file)) { self::copyDir($src . '/' . $file, $dst . '/' . $file); } else { copy($src . '/' . $file, $dst . '/' . $file); } } } closedir($dir); } // Supports arrays in the values public static function array_flip($array) { $result = array(); foreach ($array as $k => $v) { if (is_array($v)) { foreach ($v as $u) { self::_array_flip($result, $k, $u); } } else { self::_array_flip($result, $k, $v); } } return $result; } private static function _array_flip(&$array, $k, $v) { if (is_string($v) || is_int($v)) { $array[$v] = $k; } else { trigger_error("Values must be STRING or INTEGER", E_USER_WARNING); } } // Detects if device is touchscreen or mobile public static function is_touch() { // Only detect once if (self::$touchscreen !== NULL) { return self::$touchscreen; } if (($devices = self::lines(CRAYON_TOUCH_FILE, 'lw')) !== FALSE) { // Create array of device strings from file $user_agent = strtolower($_SERVER['HTTP_USER_AGENT']); self::$touchscreen = (self::strposa($user_agent, $devices) !== FALSE); return self::$touchscreen; } else { CrayonLog::syslog('Error occurred when trying to identify touchscreen devices'); } } // Removes duplicates in array, ensures they are all strings public static function array_unique_str($array) { if (!is_array($array) || empty($array)) { return array(); } for ($i = 0; $i < count($array); $i++) { $array[$i] = strval($array[$i]); } return array_unique($array); } // Same as array_key_exists, but returns the key when exists, else FALSE; public static function array_key_exists($key, $array) { if (!is_array($array) || empty($array) || !is_string($key) || empty($key)) { FALSE; } if (array_key_exists($key, $array)) { return $array[$key]; } } // Performs explode() on a string with the given delimiter and trims all whitespace public static function trim_e($str, $delimiter = ',') { if (is_string($delimiter)) { $str = trim(preg_replace('|\s*(?:' . preg_quote($delimiter) . ')\s*|', $delimiter, $str)); return explode($delimiter, $str); } return $str; } /* Creates an array of integers based on a given range string of format "int - int" Eg. range_str('2 - 5'); */ public static function range_str($str) { preg_match('#(\d+)\s*-\s*(\d+)#', $str, $matches); if (count($matches) == 3) { return range($matches[1], $matches[2]); } return FALSE; } // Creates an array out of a single range string (e.i "x-y") public static function range_str_single($str) { $match = preg_match('#(\d+)(?:\s*-\s*(\d+))?#', $str, $matches); if ($match > 0) { if (empty($matches[2])) { $matches[2] = $matches[1]; } if ($matches[1] <= $matches[2]) { return array($matches[1], $matches[2]); } } return FALSE; } // Sets a variable to a string if valid public static function str(&$var, $str, $escape = TRUE) { if (is_string($str)) { $var = ($escape == TRUE ? self::htmlentities($str) : $str); return TRUE; } return FALSE; } // Converts all special characters to entities public static function htmlentities($str) { return htmlentities($str, ENT_COMPAT, 'UTF-8'); } public static function html_entity_decode($str) { return html_entity_decode($str, ENT_QUOTES, 'UTF-8'); } // Converts <, >, & into entities public static function htmlspecialchars($str) { return htmlspecialchars($str, ENT_NOQUOTES, 'UTF-8'); } // Sets a variable to an int if valid public static function num(&$var, $num) { if (is_numeric($num)) { $var = intval($num); return TRUE; } return FALSE; } // Sets a variable to an array if valid public static function arr(&$var, $array) { if (is_array($array)) { $var = $array; return TRUE; } return FALSE; } // Sets a variable to an array if valid public static function set_array($var, $array, $false = FALSE) { return isset($array[$var]) ? $array[$var] : $false; } // Sets a variable to null if not set public static function set_var(&$var, $false = NULL) { $var = isset($var) ? $var : $false; } // Sets a variable to null if not set public static function set_default(&$var, $default = NULL) { return isset($var) ? $var : $default; } public static function set_default_null($var, $default = NULL) { return $var !== NULL ? $var : $default; } // Thanks, http://www.php.net/manual/en/function.str-replace.php#102186 function str_replace_once($str_pattern, $str_replacement, $string) { if (strpos($string, $str_pattern) !== FALSE) { $occurrence = strpos($string, $str_pattern); return substr_replace($string, $str_replacement, strpos($string, $str_pattern), strlen($str_pattern)); } return $string; } // Removes non-numeric chars in string public static function clean_int($str, $return_zero = TRUE) { $str = preg_replace('#[^\d]#', '', $str); if ($return_zero) { // If '', then returns 0 return strval(intval($str)); } else { // Might be '' return $str; } } // Replaces whitespace with hypthens public static function space_to_hyphen($str) { return preg_replace('#\s+#', '-', $str); } // Replaces hypthens with spaces public static function hyphen_to_space($str) { return preg_replace('#-#', ' ', $str); } // Remove comments with /* */, // or #, if they occur before any other char on a line public static function clean_comments($str) { $comment_pattern = '#(?:^\s*/\*.*?^\s*\*/)|(?:^(?!\s*$)[\s]*(?://|\#)[^\r\n]*)#ms'; $str = preg_replace($comment_pattern, '', $str); return $str; } // Convert to title case and replace underscores with spaces public static function ucwords($str) { $str = strval($str); $str = str_replace('_', ' ', $str); return ucwords($str); } // Escapes regex characters as literals public static function esc_regex($regex) { return /*htmlspecialchars(*/ preg_quote($regex) /* , ENT_NOQUOTES)*/ ; } // Escapes hash character as literals public static function esc_hash($regex) { if (is_string($regex)) { return preg_replace('|(?<!\\\\)#|', '\#', $regex); } else { return FALSE; } } // Ensure all parenthesis are atomic to avoid conflicting with element matches public static function esc_atomic($regex) { return preg_replace('#(?<!\\\\)\((?!\?)#', '(?:', $regex); } // Returns the current HTTP URL public static function current_url() { $p = self::isSecure() ? "https://" : "http://"; return $p . $_SERVER[HTTP_HOST] . $_SERVER[REQUEST_URI]; } // Removes crayon plugin path from absolute path public static function path_rel($url) { if (is_string($url)) { return str_replace(CRAYON_ROOT_PATH, '/', $url); } return $url; } // Returns path according to detected use of forwardslash/backslash // Depreciated from regular use after v.1.1.1 public static function path($path, $detect) { $slash = self::detect_slash($detect); return str_replace(array('\\', '/'), $slash, $path); } // Detect which kind of slash is being used in a path public static function detect_slash($path) { if (strpos($path, '\\')) { // Windows return $slash = '\\'; } else { // UNIX return $slash = '/'; } } // Returns path using forward slashes public static function pathf($url) { return str_replace('\\', '/', trim(strval($url))); } // Returns path using back slashes public static function pathb($url) { return str_replace('/', '\\', trim(strval($url))); } // returns 'true' or 'false' depending on whether this PHP file was served over HTTPS public static function isSecure() { return (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') || $_SERVER['SERVER_PORT'] == 443; } public static function startsWith($haystack, $needle) { return substr($haystack, 0, strlen($needle)) === $needle; } // Append either forward slash or backslash based on environment to paths public static function path_slash($path) { $path = self::pathf($path); if (!empty($path) && !preg_match('#\/$#', $path)) { $path .= '/'; } if (self::startsWith($path, 'http://') && self::isSecure()) { $path = str_replace('http://', 'https://', $path); } return $path; } public static function path_slash_remove($path) { return preg_replace('#\/+$#', '', $path); } // Append a forward slash to a path if needed public static function url_slash($url) { $url = self::pathf($url); if (!empty($url) && !preg_match('#\/$#', $url)) { $url .= '/'; } if (self::startsWith($url, 'http://') && self::isSecure()) { $url = str_replace('http://', 'https://', $url); } return $url; } // Removes extension from file path public static function path_rem_ext($path) { $path = self::pathf($path); return preg_replace('#\.\w+$#m', '', $path); } // Shorten a URL into a string of given length, used to identify a URL uniquely public static function shorten_url_to_length($url, $length) { if ($length < 1) { return ''; } $url = preg_replace('#(^\w+://)|([/\.])#si', '', $url); if (strlen($url) > $length) { $diff = strlen($url) - $length; $rem = floor(strlen($url) / $diff); $rem_count = 0; for ($i = $rem - 1; $i < strlen($url) && $rem_count < $diff; $i = $i + $rem) { $url[$i] = '.'; $rem_count++; } $url = preg_replace('#\.#s', '', $url); } return $url; } // Creates a unique ID from a string public static function get_var_str() { $get_vars = array(); foreach ($_GET as $get => $val) { $get_vars[] = $get . '=' . $val; } return implode($get_vars, '&'); } // Creates a unique ID from a string public static function str_uid($str) { $uid = 0; for ($i = 1; $i < strlen($str); $i++) { $uid += round(ord($str[$i]) * ($i / strlen($str)), 2) * 100; } return strval(dechex(strlen($str))) . strval(dechex($uid)); } // Breaks up a version string into parts public static function version_parts($version) { preg_match('#[\d+\.]+#msi', $version, $match); if (count($match[0])) { return split('\.', $match[0]); } else { return array(); } } // Compares two version strings lexicographically public static function version_compare($a, $b) { $a_parts = self::version_parts($a); $b_parts = self::version_parts($b); return self::array_compare_lexi($a_parts, $b_parts); } // Compares two arrays lexicographically // This could be extended with a compare function argument public static function array_compare_lexi($a, $b) { $short = count($a) < count($b) ? $a : $b; for ($i = 0; $i < count($short); $i++) { if ($a[$i] > $b[$i]) { return 1; } else if ($a[$i] < $b[$i]) { return -1; } } return 0; } // strpos with an array of $needles public static function strposa($haystack, $needles, $insensitive = FALSE) { if (is_array($needles)) { foreach ($needles as $str) { if (is_array($str)) { $pos = self::strposa($haystack, $str, $insensitive); } else { $pos = $insensitive ? stripos($haystack, $str) : strpos($haystack, $str); } if ($pos !== FALSE) { return $pos; } } return FALSE; } else { return strpos($haystack, $needles); } } // tests if $needle is equal to any strings in $haystack public static function str_equal_array($needle, $haystack, $case_insensitive = TRUE) { if (!is_string($needle) || !is_array($haystack)) { return FALSE; } if ($case_insensitive) { $needle = strtolower($needle); } foreach ($haystack as $hay) { if (!is_string($hay)) { continue; } if ($case_insensitive) { $hay = strtolower($hay); } if ($needle == $hay) { return TRUE; } } return FALSE; } // Support for singular and plural string variations public static function spnum($int, $singular, $plural = NULL) { if (!is_int($int) || !is_string($singular)) { $int = intval($int); $singular = strval($singular); } if ($plural == NULL || !is_string($plural)) { $plural = $singular . 's'; } return $int . ' ' . (($int == 1) ? $singular : $plural); } // Turn boolean into Yes/No public static function bool_yn($bool) { return $bool ? 'Yes' : 'No'; } // String to boolean, default decides what boolean value to return when not found public static function str_to_bool($str, $default = TRUE) { $str = self::tlower($str); if ($default === FALSE) { if ($str == 'true' || $str == 'yes' || $str == '1') { return TRUE; } else { return FALSE; } } else { if ($str == 'false' || $str == 'no' || $str == '0') { return FALSE; } else { return TRUE; } } } public static function bool_to_str($bool, $strict = FALSE) { if ($strict) { return $bool === TRUE ? 'true' : 'false'; } else { return $bool ? 'true' : 'false'; } } public static function tlower($str) { return trim(strtolower($str)); } // Escapes $ and \ from the replacement to avoid becoming a backreference public static function preg_replace_escape_back($pattern, $replacement, $subject, $limit = -1, &$count = 0) { return preg_replace($pattern, self::preg_escape_back($replacement), $subject, $limit, $count); } // Escape backreferences from string for use with regex public static function preg_escape_back($string) { // Replace $ with \$ and \ with \\ $string = preg_replace('#(\\$|\\\\)#', '\\\\$1', $string); return $string; } // Detect if on a Mac or PC public static function is_mac($default = FALSE) { $user = $_SERVER['HTTP_USER_AGENT']; if (stripos($user, 'macintosh') !== FALSE) { return TRUE; } else if (stripos($user, 'windows') !== FALSE || stripos($user, 'linux') !== FALSE) { return FALSE; } else { return $default === TRUE; } } // Decodes WP html entities public static function html_entity_decode_wp($str) { if (!is_string($str) || empty($str)) { return $str; } // http://www.ascii.cl/htmlcodes.htm $wp_entities = array('‘', '’', '‚', '“', '”'); $wp_replace = array('\'', '\'', ',', '"', '"'); $str = str_replace($wp_entities, $wp_replace, $str); return $str; } // Constructs an html element // If $content = FALSE, then element is closed public static function html_element($name, $content = NULL, $attributes = array()) { $atts = self::html_attributes($attributes); $tag = "<$name $atts"; $tag .= $content === FALSE ? '/>' : ">$content</$name>"; return $tag; } public static function html_attributes($attributes, $assign = '=', $quote = '"', $glue = ' ') { $atts = ''; foreach ($attributes as $k => $v) { $atts .= $k . $assign . $quote . $v . $quote . $glue; } return $atts; } } ?> |