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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Barcode
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * Class for generate Barcode
  *
  * @category   Zend
  * @package    Zend_Barcode
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Barcode
 {
     /**
      * Factory for Zend_Barcode classes.
      *
      * First argument may be a string containing the base of the adapter class
      * name, e.g. 'int25' corresponds to class Zend_Barcode_Object_Int25.  This
      * is case-insensitive.
      *
      * First argument may alternatively be an object of type Zend_Config.
      * The barcode class base name is read from the 'barcode' property.
      * The barcode config parameters are read from the 'params' property.
      *
      * Second argument is optional and may be an associative array of key-value
      * pairs.  This is used as the argument to the barcode constructor.
      *
      * If the first argument is of type Zend_Config, it is assumed to contain
      * all parameters, and the second argument is ignored.
      *
      * @param  mixed $barcode         String name of barcode class, or Zend_Config object.
      * @param  mixed $renderer        String name of renderer class
      * @param  mixed $barcodeConfig   OPTIONAL; an array or Zend_Config object with barcode parameters.
      * @param  mixed $rendererConfig  OPTIONAL; an array or Zend_Config object with renderer parameters.
      * @param  boolean $automaticRenderError  OPTIONAL; set the automatic rendering of exception
      * @return Zend_Barcode
      * @throws Zend_Barcode_Exception
      */
     public static function factory(
         $barcode,
         $renderer = 'image',
         $barcodeConfig = array(),
         $rendererConfig = array(),
         $automaticRenderError = true
     ) {
         /*
          * Convert Zend_Config argument to plain string
          * barcode name and separate config object.
          */
         if ($barcode instanceof Zend_Config) {
             if (isset($barcode->rendererParams)) {
                 $rendererConfig = $barcode->rendererParams->toArray();
             }
             if (isset($barcode->renderer)) {
                 $renderer = (string) $barcode->renderer;
             }
             if (isset($barcode->barcodeParams)) {
                 $barcodeConfig = $barcode->barcodeParams->toArray();
             }
             if (isset($barcode->barcode)) {
                 $barcode = (string) $barcode->barcode;
             } else {
                 $barcode = null;
             }
         }
 
         try {
             $barcode  = self::makeBarcode($barcode, $barcodeConfig);
             $renderer = self::makeRenderer($renderer, $rendererConfig);
         } catch (Zend_Exception $e) {
             $renderable = ($e instanceof Zend_Barcode_Exception) ? $e->isRenderable() : false;
             if ($automaticRenderError && $renderable) {
                 $barcode = self::makeBarcode('error', array(
                     'text' => $e->getMessage()
                 ));
                 $renderer = self::makeRenderer($renderer, array());
             } else {
                 throw $e;
             }
         }
 
         $renderer->setAutomaticRenderError($automaticRenderError);
         return $renderer->setBarcode($barcode);
     }
 
     /**
      * Barcode Constructor
      *
      * @param mixed $barcode        String name of barcode class, or Zend_Config object.
      * @param mixed $barcodeConfig  OPTIONAL; an array or Zend_Config object with barcode parameters.
      * @return Zend_Barcode_Object
      */
     public static function makeBarcode($barcode, $barcodeConfig = array())
     {
         if ($barcode instanceof Zend_Barcode_Object_ObjectAbstract) {
             return $barcode;
         }
 
         /*
          * Convert Zend_Config argument to plain string
          * barcode name and separate config object.
          */
         if ($barcode instanceof Zend_Config) {
             if (isset($barcode->barcodeParams) && $barcode->barcodeParams instanceof Zend_Config) {
                 $barcodeConfig = $barcode->barcodeParams->toArray();
             }
             if (isset($barcode->barcode)) {
                 $barcode = (string) $barcode->barcode;
             } else {
                 $barcode = null;
             }
         }
         if ($barcodeConfig instanceof Zend_Config) {
             $barcodeConfig = $barcodeConfig->toArray();
         }
 
         /*
          * Verify that barcode parameters are in an array.
          */
         if (!is_array($barcodeConfig)) {
             /**
              * @see Zend_Barcode_Exception
              */
             // require_once 'Zend/Barcode/Exception.php';
             throw new Zend_Barcode_Exception(
                 'Barcode parameters must be in an array or a Zend_Config object'
             );
         }
 
         /*
          * Verify that an barcode name has been specified.
          */
         if (!is_string($barcode) || empty($barcode)) {
             /**
              * @see Zend_Barcode_Exception
              */
             // require_once 'Zend/Barcode/Exception.php';
             throw new Zend_Barcode_Exception(
                 'Barcode name must be specified in a string'
             );
         }
         /*
          * Form full barcode class name
          */
         $barcodeNamespace = 'Zend_Barcode_Object';
         if (isset($barcodeConfig['barcodeNamespace'])) {
             $barcodeNamespace = $barcodeConfig['barcodeNamespace'];
         }
 
         $barcodeName = strtolower($barcodeNamespace . '_' . $barcode);
         $barcodeName = str_replace(' ', '_', ucwords(
             str_replace( '_', ' ', $barcodeName)
         ));
 
         /*
          * Load the barcode class.  This throws an exception
          * if the specified class cannot be loaded.
          */
         if (!class_exists($barcodeName)) {
             // require_once 'Zend/Loader.php';
             Zend_Loader::loadClass($barcodeName);
         }
 
         /*
          * Create an instance of the barcode class.
          * Pass the config to the barcode class constructor.
          */
         $bcAdapter = new $barcodeName($barcodeConfig);
 
         /*
          * Verify that the object created is a descendent of the abstract barcode type.
          */
         if (!$bcAdapter instanceof Zend_Barcode_Object_ObjectAbstract) {
             /**
              * @see Zend_Barcode_Exception
              */
             // require_once 'Zend/Barcode/Exception.php';
             throw new Zend_Barcode_Exception(
                 "Barcode class '$barcodeName' does not extend Zend_Barcode_Object_ObjectAbstract"
             );
         }
         return $bcAdapter;
     }
 
     /**
      * Renderer Constructor
      *
      * @param mixed $renderer           String name of renderer class, or Zend_Config object.
      * @param mixed $rendererConfig     OPTIONAL; an array or Zend_Config object with renderer parameters.
      * @return Zend_Barcode_Renderer
      */
     public static function makeRenderer($renderer = 'image', $rendererConfig = array())
     {
         if ($renderer instanceof Zend_Barcode_Renderer_RendererAbstract) {
             return $renderer;
         }
 
         /*
          * Convert Zend_Config argument to plain string
          * barcode name and separate config object.
          */
         if ($renderer instanceof Zend_Config) {
             if (isset($renderer->rendererParams)) {
                 $rendererConfig = $renderer->rendererParams->toArray();
             }
             if (isset($renderer->renderer)) {
                 $renderer = (string) $renderer->renderer;
             }
         }
         if ($rendererConfig instanceof Zend_Config) {
             $rendererConfig = $rendererConfig->toArray();
         }
 
         /*
          * Verify that barcode parameters are in an array.
          */
         if (!is_array($rendererConfig)) {
             /**
              * @see Zend_Barcode_Exception
              */
             // require_once 'Zend/Barcode/Exception.php';
             $e = new Zend_Barcode_Exception(
                 'Barcode parameters must be in an array or a Zend_Config object'
             );
             $e->setIsRenderable(false);
             throw $e;
         }
 
         /*
          * Verify that an barcode name has been specified.
          */
         if (!is_string($renderer) || empty($renderer)) {
             /**
              * @see Zend_Barcode_Exception
              */
             // require_once 'Zend/Barcode/Exception.php';
             $e = new Zend_Barcode_Exception(
                 'Renderer name must be specified in a string'
             );
             $e->setIsRenderable(false);
             throw $e;
         }
 
         /*
          * Form full barcode class name
          */
         $rendererNamespace = 'Zend_Barcode_Renderer';
         if (isset($rendererConfig['rendererNamespace'])) {
             $rendererNamespace = $rendererConfig['rendererNamespace'];
         }
 
         $rendererName = strtolower($rendererNamespace . '_' . $renderer);
         $rendererName = str_replace(' ', '_', ucwords(
             str_replace( '_', ' ', $rendererName)
         ));
 
         /*
          * Load the barcode class.  This throws an exception
          * if the specified class cannot be loaded.
          */
         if (!class_exists($rendererName)) {
             // require_once 'Zend/Loader.php';
             Zend_Loader::loadClass($rendererName);
         }
 
         /*
          * Create an instance of the barcode class.
          * Pass the config to the barcode class constructor.
          */
         $rdrAdapter = new $rendererName($rendererConfig);
 
         /*
          * Verify that the object created is a descendent of the abstract barcode type.
          */
         if (!$rdrAdapter instanceof Zend_Barcode_Renderer_RendererAbstract) {
             /**
              * @see Zend_Barcode_Exception
              */
             // require_once 'Zend/Barcode/Exception.php';
             $e = new Zend_Barcode_Exception(
                 "Renderer class '$rendererName' does not extend Zend_Barcode_Renderer_RendererAbstract"
             );
             $e->setIsRenderable(false);
             throw $e;
         }
         return $rdrAdapter;
     }
 
     /**
      * Proxy to renderer render() method
      *
      * @param string | Zend_Barcode_Object | array | Zend_Config $barcode
      * @param string | Zend_Barcode_Renderer $renderer
      * @param array | Zend_Config $barcodeConfig
      * @param array | Zend_Config $rendererConfig
      */
     public static function render(
         $barcode,
         $renderer,
         $barcodeConfig = array(),
         $rendererConfig = array()
     ) {
         self::factory($barcode, $renderer, $barcodeConfig, $rendererConfig)->render();
     }
 
     /**
      * Proxy to renderer draw() method
      *
      * @param string | Zend_Barcode_Object | array | Zend_Config $barcode
      * @param string | Zend_Barcode_Renderer $renderer
      * @param array | Zend_Config $barcodeConfig
      * @param array | Zend_Config $rendererConfig
      * @return mixed
      */
     public static function draw(
         $barcode,
         $renderer,
         $barcodeConfig = array(),
         $rendererConfig = array()
     ) {
         return self::factory($barcode, $renderer, $barcodeConfig, $rendererConfig)->draw();
     }
 
     /**
      * Proxy for setBarcodeFont of Zend_Barcode_Object
      * @param string $font
      * @eturn void
      */
     public static function setBarcodeFont($font)
     {
         // require_once 'Zend/Barcode/Object/ObjectAbstract.php';
         Zend_Barcode_Object_ObjectAbstract::setBarcodeFont($font);
     }
 }