From cf0c2004051d538b0bd6105567b3af4a87913e52 Mon Sep 17 00:00:00 2001
From: Silvio <silvio@devlet.com.br>
Date: Tue, 20 Jul 2010 16:19:06 -0300
Subject: New method explodeItem() at IsisConnector

---
 classes/IsisConnector.php              | 21 ++++++++++++++++++++-
 classes/iterators/IsisItemIterator.php | 15 ++++++++-------
 2 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/classes/IsisConnector.php b/classes/IsisConnector.php
index c82d479..ff057c6 100644
--- a/classes/IsisConnector.php
+++ b/classes/IsisConnector.php
@@ -196,7 +196,7 @@ class IsisConnector {
    * @return
    *   Item data.
    */
-  public function getItem($field, $item, $row) {
+  public function getItem($field, $item, $row = 0) {
     $main_field = $this->getMainItemName($field);
 
     if ($field == $main_field) {
@@ -517,6 +517,25 @@ class IsisConnector {
     return array_filter($this->explodeValue($this->getSubfield($field, $subfield, $row)));
   }
 
+  /**
+   * Explode brackets for a given item, avoiding null entries.
+   *
+   * @param $field
+   *   Field data.
+   *
+   * @param $item
+   *   Item.
+   *
+   * @param $row
+   *   Row number.
+   *
+   * @return
+   *   Exploded item data.
+   */
+  public function explodeItem($field, $item, $row) {
+    return array_filter($this->explodeValue($this->getItem($field, $item, $row)));
+  }
+
   /**
    * Filter brackets for a given subfield.
    *
diff --git a/classes/iterators/IsisItemIterator.php b/classes/iterators/IsisItemIterator.php
index 2fc4780..9435146 100644
--- a/classes/iterators/IsisItemIterator.php
+++ b/classes/iterators/IsisItemIterator.php
@@ -7,8 +7,8 @@ class IsisItemIterator implements Iterator
 {
   private $keys;
   private $fieldset;
-  private $row       = 0;
-  private $rows      = 0;
+  private $row   = 0;
+  private $rows  = 0;
   private $item  = 0;
   private $items = 0;
 
@@ -26,18 +26,19 @@ class IsisItemIterator implements Iterator
    *   By default no mapping is made.
    */ 
   public function __construct($class, $field, $main = false) {
+    // Setup.
     $this->class    = $class;
     $this->field    = $field;
     $this->rows     = $class->getRows($field);
 
-    // Handle subfields
+    // Handle subfields.
     $this->fieldset = $class->getSubfieldList($field);
     $this->keys     = array_keys($this->fieldset);
     $this->items    = count($this->keys);
 
-    // Sum up main item
-    $this->fieldset[] = $class->getMainItem($field);
-    $this->keys[]     = $class->getMainItemName($field);
+    // Sum up main item.
+    $this->fieldset['main'] = $class->getMainItemName($field);
+    $this->keys[]           = 'main';
     $this->items++;
   }
 
@@ -45,7 +46,7 @@ class IsisItemIterator implements Iterator
    * Rewind the Iterator to the first element.
    */
   function rewind() {
-    $this->row      = 0;
+    $this->row  = 0;
     $this->item = 0;
   }
 
-- 
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