Add exceptions for the official exit codes.

examples/example3.php

@@ -0,0 +1,39 @@
+<?php
+require_once('../vendor/autoload.php');
+
+use \Howtomakeaturn\PDFInfo\PDFInfo;
+
+$whoops = new \Whoops\Run;
+$whoops->pushHandler(new \Whoops\Handler\PrettyPageHandler);
+$whoops->register();
+
+$pdf = new PDFInfo('files/EEE.pdf');
+
+echo $pdf->title;
+echo '<hr />';
+echo $pdf->author;
+echo '<hr />';
+echo $pdf->creator;
+echo '<hr />';
+echo $pdf->producer;
+echo '<hr />';
+echo $pdf->creationDate;
+echo '<hr />';
+echo $pdf->modDate;
+echo '<hr />';
+echo $pdf->tagged;
+echo '<hr />';
+echo $pdf->form;
+echo '<hr />';
+echo $pdf->pages;
+echo '<hr />';
+echo $pdf->encrypted;
+echo '<hr />';
+echo $pdf->pageSize;
+echo '<hr />';
+echo $pdf->fileSize;
+echo '<hr />';
+echo $pdf->optimized;
+echo '<hr />';
+echo $pdf->PDFVersion;
+echo '<hr />';

src/Howtomakeaturn/PDFInfo/Exceptions/OpenOutputException.php

@@ -0,0 +1,6 @@
+<?php
+namespace Howtomakeaturn\PDFInfo\Exceptions;
+
+use \Exception;
+
+class OpenOutputException extends Exception{};

src/Howtomakeaturn/PDFInfo/Exceptions/OpenPDFException.php

@@ -0,0 +1,6 @@
+<?php
+namespace Howtomakeaturn\PDFInfo\Exceptions;
+
+use \Exception;
+
+class OpenPDFException extends Exception{};

src/Howtomakeaturn/PDFInfo/Exceptions/BaseException.php → src/Howtomakeaturn/PDFInfo/Exceptions/OtherException.php

@@ -3,4 +3,4 @@
 
 use \Exception;
 
-class BaseException extends Exception{};
+class OtherException extends Exception{};

src/Howtomakeaturn/PDFInfo/Exceptions/PDFPermissionException.php

@@ -0,0 +1,6 @@
+<?php
+namespace Howtomakeaturn\PDFInfo\Exceptions;
+
+use \Exception;
+
+class PDFPermissionException extends Exception{};

src/Howtomakeaturn/PDFInfo/PDFInfo.php

@@ -44,8 +44,14 @@ private function loadOutput()
         // Surround with double quotes if file name has spaces
         exec("$cmd $file", $output, $returnVar);
 
-        if ( $returnVar !== 0 ){
-            throw new Exceptions\BaseException();
+        if ( $returnVar === 1 ){
+            throw new Exceptions\OpenPDFException();
+        } else if ( $returnVar === 2 ){
+            throw new Exceptions\OpenOutputException();
+        } else if ( $returnVar === 3 ){
+            throw new Exceptions\PDFPermissionException();            
+        } else if ( $returnVar === 99 ){
+            throw new Exceptions\OtherException();                        
         }
 
         $this->output = $output;