From 0f3203c9c25b2c936ba8ebdf2fd2548209213620 Mon Sep 17 00:00:00 2001
From: Silvio <silvio@devlet.com.br>
Date: Mon, 7 Jun 2010 17:48:34 -0300
Subject: Misc fixes

---
 classes/BiblioIsisDb.php | 13 +++++++++++--
 classes/CinisisDb.php    |  4 ++--
 classes/IsisDb.php       |  2 +-
 classes/SchemaDb.php     |  4 ++--
 4 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/classes/BiblioIsisDb.php b/classes/BiblioIsisDb.php
index 6ae5827..36c0bbc 100644
--- a/classes/BiblioIsisDb.php
+++ b/classes/BiblioIsisDb.php
@@ -92,7 +92,9 @@ class BiblioIsisDb implements IsisDb {
       $data = $this->tag($results);
 
       // Charset conversion.
-      array_walk_recursive($data, array(__CLASS__, 'charset'));
+      if (is_array($data)) {
+        array_walk_recursive($data, array(__CLASS__, 'charset'));
+      }
 
       // Return the result.
       return $data;
@@ -122,7 +124,7 @@ class BiblioIsisDb implements IsisDb {
    *
    * @see IsisDb::check()
    */  
-  public function check($schema, $section = NULL) {
+  static function check($schema, $section = NULL) {
     // Check API availability.
     if (!class_exists('Perl')) {
       throw new Exception('Could not find Perl class. Please check your php-perl installation.');
@@ -144,11 +146,18 @@ class BiblioIsisDb implements IsisDb {
    *
    * @return
    *   Tagged database result.
+   *
+   * @todo
+   *    Alternative handling for when $key is not set.
    */
   function tag($results) {
     foreach ($results as $key => $value) {
       // Key '000' used to hold MFN.
       if ($key != '000') {
+        if (!isset($this->format['fields'][$key])) {
+          return;
+        }
+
         $name        = $this->format['fields'][$key]['name'];
         $data[$name] = $this->repetition($key, $value);
 
diff --git a/classes/CinisisDb.php b/classes/CinisisDb.php
index c0adeb9..63416b6 100644
--- a/classes/CinisisDb.php
+++ b/classes/CinisisDb.php
@@ -92,7 +92,7 @@ class CinisisDb {
    * @return
    *   Array with configuration or FALSE on error.
    */  
-  public function check($config) {
+  static function check($config) {
     // Set default database backend if needed.
     if (!isset($config['implementation'])) {
       $config['implementation'] = 'PhpIsis';
@@ -130,7 +130,7 @@ class CinisisDb {
    * @return
    *   Return the assembled file path.
    */
-  public function file($config = NULL, $section = 'config') {
+  static function file($config = NULL, $section = 'config') {
     // Check config format (array, NULL or relative config path).
     if (is_array($config)) {
       return $config;
diff --git a/classes/IsisDb.php b/classes/IsisDb.php
index 1e63f38..43a51dc 100644
--- a/classes/IsisDb.php
+++ b/classes/IsisDb.php
@@ -59,5 +59,5 @@ interface IsisDb {
    * @return
    *   Database schema or FALSE if error.
    */
-  function check($schema, $section = NULL);
+  static function check($schema, $section = NULL);
 }
diff --git a/classes/SchemaDb.php b/classes/SchemaDb.php
index c00ae66..db9ca30 100644
--- a/classes/SchemaDb.php
+++ b/classes/SchemaDb.php
@@ -11,7 +11,7 @@ class SchemaDb {
    * @return
    *   Array with required config.
    */
-  public function required() {
+  static function required() {
     $schema = array(
       'db'             => array(
         'name'         => 'dbname',
@@ -73,7 +73,7 @@ class SchemaDb {
    *
    * @see IsisDb::check()
    */
-  function check($schema, $section = NULL) {
+  static function check($schema, $section = NULL) {
     if ($section === NULL) {
       $section = SchemaDb::required();
     }
-- 
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