Merge pull request #25 from KamilBalwierz/master

Support parsing multiline values starting with quoted newline

Author: clue

src/Decoder.php

@@ -110,7 +110,8 @@ public function handleData($data)
             // this looks like a multiline value, so only remember offset and wait for next newline
             $last = \substr(\end($data), -1);
             \reset($data);
-            if ($last === "\n" && ($newline === 1 || $this->buffer[$newline - 1] !== $this->enclosure)) {
+            $edgeCase = \substr($this->buffer, $newline - 2, 3);
+            if ($last === "\n" && ($newline === 1 || $this->buffer[$newline - 1] !== $this->enclosure || $edgeCase === $this->delimiter . $this->enclosure . "\n")) {
                 $this->offset = $newline + 1;
                 continue;
             }

tests/DecoderTest.php

@@ -86,6 +86,13 @@ public function testEmitDataStringEndsWithNewlineWillForward()
         $this->input->emit('data', array("\"hello\n\"\n"));
     }
 
+    public function testEmitDataStringWithNewLineAsStartOfFieldWillForward()
+    {
+        $this->decoder->on('data', $this->expectCallableOnceWith(array("one", "\ntwo\n", "three")));
+
+        $this->input->emit('data', array("one,\"\ntwo\n\",three\n"));
+    }
+
     public function testEmitDataStringOnlyNewlineWillForward()
     {
         $this->decoder->on('data', $this->expectCallableOnceWith(array("\n")));