htmlpurifier/extras/FSTools/File.php

<?php

/**
 * Represents a file in the filesystem
 */
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;
        $this->fs->fclose($this->handle);
        $this->handle = false;
        return true;
    }
    
}