diff options
Diffstat (limited to 'lib/htmlpurifier/extras/FSTools/File.php')
-rw-r--r-- | lib/htmlpurifier/extras/FSTools/File.php | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/lib/htmlpurifier/extras/FSTools/File.php b/lib/htmlpurifier/extras/FSTools/File.php new file mode 100644 index 000000000..1c76705d6 --- /dev/null +++ b/lib/htmlpurifier/extras/FSTools/File.php @@ -0,0 +1,126 @@ +<?php + +/** + * Represents a file in the filesystem + * + * @warning Be sure to distinguish between get() and write() versus + * read() and put(), the former operates on the entire file, while + * the latter operates on a handle. + */ +class FSTools_File +{ + + /** Filename of file this object represents */ + protected $name; + + /** Handle for the file */ + protected $handle = false; + + /** Instance of FSTools for interfacing with filesystem */ + protected $fs; + + /** + * Filename of file you wish to instantiate. + * @note This file need not exist + */ + public function __construct($name, $fs = false) { + $this->name = $name; + $this->fs = $fs ? $fs : FSTools::singleton(); + } + + /** Returns the filename of the file. */ + public function getName() {return $this->name;} + + /** Returns directory of the file without trailing slash */ + public function getDirectory() {return $this->fs->dirname($this->name);} + + /** + * Retrieves the contents of a file + * @todo Throw an exception if file doesn't exist + */ + public function get() { + return $this->fs->file_get_contents($this->name); + } + + /** Writes contents to a file, creates new file if necessary */ + public function write($contents) { + return $this->fs->file_put_contents($this->name, $contents); + } + + /** Deletes the file */ + public function delete() { + return $this->fs->unlink($this->name); + } + + /** Returns true if file exists and is a file. */ + public function exists() { + return $this->fs->is_file($this->name); + } + + /** Returns last file modification time */ + public function getMTime() { + return $this->fs->filemtime($this->name); + } + + /** + * Chmod a file + * @note We ignore errors because of some weird owner trickery due + * to SVN duality + */ + public function chmod($octal_code) { + return @$this->fs->chmod($this->name, $octal_code); + } + + /** Opens file's handle */ + public function open($mode) { + if ($this->handle) $this->close(); + $this->handle = $this->fs->fopen($this->name, $mode); + return true; + } + + /** Closes file's handle */ + public function close() { + if (!$this->handle) return false; + $status = $this->fs->fclose($this->handle); + $this->handle = false; + return $status; + } + + /** Retrieves a line from an open file, with optional max length $length */ + public function getLine($length = null) { + if (!$this->handle) $this->open('r'); + if ($length === null) return $this->fs->fgets($this->handle); + else return $this->fs->fgets($this->handle, $length); + } + + /** Retrieves a character from an open file */ + public function getChar() { + if (!$this->handle) $this->open('r'); + return $this->fs->fgetc($this->handle); + } + + /** Retrieves an $length bytes of data from an open data */ + public function read($length) { + if (!$this->handle) $this->open('r'); + return $this->fs->fread($this->handle, $length); + } + + /** Writes to an open file */ + public function put($string) { + if (!$this->handle) $this->open('a'); + return $this->fs->fwrite($this->handle, $string); + } + + /** Returns TRUE if the end of the file has been reached */ + public function eof() { + if (!$this->handle) return true; + return $this->fs->feof($this->handle); + } + + public function __destruct() { + if ($this->handle) $this->close(); + } + +} + +// vim: et sw=4 sts=4 |