summaryrefslogtreecommitdiff
path: root/ext/spl/examples/limititerator.inc
diff options
context:
space:
mode:
Diffstat (limited to 'ext/spl/examples/limititerator.inc')
-rwxr-xr-xext/spl/examples/limititerator.inc72
1 files changed, 0 insertions, 72 deletions
diff --git a/ext/spl/examples/limititerator.inc b/ext/spl/examples/limititerator.inc
deleted file mode 100755
index e471f5d0e4..0000000000
--- a/ext/spl/examples/limititerator.inc
+++ /dev/null
@@ -1,72 +0,0 @@
-<?php
-
-class LimitIterator implements Iterator
-{
- protected $it;
- protected $offset;
- protected $count;
- private $pos;
-
- // count === NULL means all
- function __construct(Iterator $it, $offset = 0, $count = -1)
- {
- if ($offset < 0) {
- throw new exception('Parameter offset must be > 0');
- }
- if ($count < 0 && $count != -1) {
- throw new exception('Parameter count must either be -1 or a value greater than or equal to 0');
- }
- $this->it = $it;
- $this->offset = $offset;
- $this->count = $count;
- $this->pos = 0;
- }
-
- function seek($position) {
- if ($position < $this->offset) {
- throw new exception('Cannot seek to '.$position.' which is below offset '.$this->offset);
- }
- if ($position > $this->offset + $this->count && $this->count != -1) {
- throw new exception('Cannot seek to '.$position.' which is behind offset '.$this->offset.' plus count '.$this->count);
- }
- if ($this->it instanceof SeekableIterator) {
- $this->it->seek($position);
- $this->pos = $position;
- } else {
- while($this->pos < $position && $this->it->hasMore()) {
- $this->next();
- }
- }
- }
-
- function rewind()
- {
- $this->it->rewind();
- $this->pos = 0;
- $this->seek($this->offset);
- }
-
- function hasMore() {
- return ($this->count == -1 || $this->pos < $this->offset + $this->count)
- && $this->it->hasMore();
- }
-
- function key() {
- return $this->it->key();
- }
-
- function current() {
- return $this->it->current();
- }
-
- function next() {
- $this->it->next();
- $this->pos++;
- }
-
- function getPosition() {
- return $this->pos;
- }
-}
-
-?> \ No newline at end of file