Issue #117 Fix datafield parsing with warnings

Author: mikehaertl

src/DataFields.php

@@ -80,6 +80,11 @@ public function __toArray()
      */
     public static function parse($input)
     {
+        // Strip any warning blocks from top
+        if (strncmp('WARNING:', $input, 8) === 0) {
+            // Remove the 'WARNING:' line and all following lines starting with a space
+            $input = preg_replace('/^WARNING:.*$[\n\r]+( .*$[\n\r]+)*/m', '', $input);
+        }
         if (strncmp('---', $input, 3) === 0) {
             // Split blocks only if '---' is followed by 'FieldType'
             $blocks = preg_split(

tests/DataFieldsTest.php

@@ -6,10 +6,15 @@ class DataFieldsTest extends \PHPUnit\Framework\TestCase
     public function testDataFieldParsing()
     {
         $dataFields = new DataFields($this->_testInput);
-        //print_r($dataFields->__toArray());exit;
         $this->assertEquals($this->_parsedResult, $dataFields->__toArray());
     }
 
+    public function testParsingOfDataFieldWithWarning()
+    {
+        $dataFields = new DataFields($this->_warningInput);
+        $this->assertEquals($this->_parsedWarningResult, $dataFields->__toArray());
+    }
+
     protected $_testInput = <<<DATA
 ---
 FieldType: Text
@@ -59,6 +64,7 @@ public function testDataFieldParsing()
 ---more:colons:
 and
 multi lines
+   even indented
 
 FieldJustification: Left
 DATA;
@@ -101,8 +107,46 @@ public function testDataFieldParsing()
             'FieldNameAlt' => 'field5_alt',
             'FieldFlags' => 0,
             'FieldValue' => "field:with:colons\n\n---more:colons:\nand\nmulti lines\n",
-            'FieldValueDefault' => "default:with:colons\n\n---more:colons:\nand\nmulti lines\n",
+            'FieldValueDefault' => "default:with:colons\n\n---more:colons:\nand\nmulti lines\n   even indented\n",
             'FieldJustification' => 'Left',
         ]
     ];
+
+    protected $_warningInput = <<<DATA
+WARNING: The creator of the input PDF:
+   example_pdf_with_password.pdf
+   has set an owner password (which is not required to handle this PDF).
+   You did not supply this password. Please respect any copyright.
+---
+FieldType: Text
+FieldName: field1
+FieldNameAlt: field1_alt
+FieldFlags: 0
+FieldJustification: Left
+---
+FieldType: Text
+FieldName: field2
+FieldNameAlt: field2_alt
+FieldFlags: 0
+FieldValue: value:with:colons
+FieldJustification: Left
+DATA;
+
+    protected $_parsedWarningResult = [
+        [
+            'FieldType' => 'Text',
+            'FieldName' => 'field1',
+            'FieldNameAlt' => 'field1_alt',
+            'FieldFlags' => 0,
+            'FieldJustification' => 'Left',
+        ],
+        [
+            'FieldType' => 'Text',
+            'FieldName' => 'field2',
+            'FieldNameAlt' => 'field2_alt',
+            'FieldFlags' => 0,
+            'FieldValue' => 'value:with:colons',
+            'FieldJustification' => 'Left',
+        ],
+    ];
 }