helly Wed Jul 16 14:47:26 2003 EDT
Added files:
/spl/examples tree.php
Log:
Add tree example
Index: spl/examples/tree.php
+++ spl/examples/tree.php
<?php
/* tree view example
*
* Usage: php tree.php <path>
*
* Simply specify the path to tree with parameter <path>.
*
* (c) Marcus Boerger
*/
class sub_dir implements spl_sequence
{
protected $adir = array();
protected $cnt = 0;
protected $path = "";
protected $curr = "";
protected $nodots = true;
function __construct($path, $nodots = true) {
$this->cnt = 0;
$this->path = $path;
}
function rewind() {
while($this->cnt) {
unset($this->adir[$this->cnt--]);
}
$dir = new spl_dir($this->path);
$dir->path = "";
$this->adir[1] = $dir;
$this->cnt = 1;
if ($this->nodots) {
while ($this->has_more()) {
$ent = $this->current();
if ($ent != '.' && $ent != '..') {
break;
}
$this->next();
}
}
}
function next() {
if ($this->cnt) {
$dir = $this->adir[$this->cnt];
$ent = $dir->current();
$path = $dir->get_path().'/'.$ent;
if ($ent != '.' && $ent != '..' && is_dir($path)) {
$new = new spl_dir($path);
$new->path = $dir->path.$ent.'/';
$new->cnt = $this->cnt++;
$this->adir[$this->cnt] = $new;
if ($this->nodots) {
while ($new->has_more()) {
$ent = $new->current();
if ($ent != '.' && $ent != '..') {
break;
}
$new->next();
}
}
}
$dir->next();
}
}
function has_more() {
while ($this->cnt) {
$dir = $this->adir[$this->cnt];
if ($dir->has_more()) {
return true;
}
unset($this->adir[$this->cnt--]);
}
return false;
}
function current() {
if ($this->cnt) {
$dir = $this->adir[$this->cnt];
return $dir->path . $dir->current();
}
throw new exception("No more elements available");
}
}
foreach(new sub_dir($argv[1]) as $f) {
echo "$f\n";
}
?>
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