From 43e8416b08b6c508ebcde7aa27867e24ad980e68 Mon Sep 17 00:00:00 2001
From: Mantas <mantas783@gmail.com>
Date: Sat, 12 Aug 2023 12:42:16 +0300
Subject: [PATCH] Parse without end timestamp

---
 src/Code/Converters/TxtQuickTimeConverter.php | 39 ++++++++++++++-----
 tests/formats/TxtQuickTimeTest.php            | 19 ++++++++-
 2 files changed, 47 insertions(+), 11 deletions(-)

diff --git a/src/Code/Converters/TxtQuickTimeConverter.php b/src/Code/Converters/TxtQuickTimeConverter.php
index 6f98b57..9524fea 100644
--- a/src/Code/Converters/TxtQuickTimeConverter.php
+++ b/src/Code/Converters/TxtQuickTimeConverter.php
@@ -16,22 +16,41 @@ public function fileContentToInternalFormat($file_content)
     {
         $internal_format = [];
 
+        $started = false;
         $blocks = explode("\n\n", trim($file_content));
         foreach ($blocks as $block) {
-            preg_match('/(?<start>\[.{11}\])\n(?<text>[\s\S]+?)(?=\n\[)\n(?<end>\[.{11}\])/m', $block, $matches);
-
-            // if block doesn't contain text
-            if (empty($matches)) {
-                continue;
+            $lines = explode("\n", $block);
+            $tmp = [
+                'start' => null,
+                'end' => null,
+                'lines' => [],
+            ];
+            foreach ($lines as $line) {
+                $parts = TxtConverter::getLineParts($line, 2, 1);
+                if ($started === false && $parts['start'] === null) {
+                    continue;
+                }
+                $started = true;
+                if ($tmp['start'] === null && $parts['start']) {
+                    $tmp['start'] = $parts['start'];
+                } elseif ($parts['text'] !== null) {
+                    $tmp['lines'][] = $parts['text'];
+                } elseif ($tmp['end'] === null && $parts['start']) {
+                    $tmp['end'] = $parts['start'];
+                }
             }
 
-            $internal_format[] = [
-                'start' => static::timeToInternal($matches['start'], self::$fps),
-                'end' => static::timeToInternal($matches['end'], self::$fps),
-                'lines' => explode("\n", $matches['text']),
-            ];
+            if (isset($tmp['lines'][0]) && trim($tmp['lines'][0])) {
+                $internal_format[] = [
+                    'start' => static::timeToInternal($tmp['start'], self::$fps),
+                    'end' => $tmp['end'] ? static::timeToInternal($tmp['end'], self::$fps) : null,
+                    'lines' => $tmp['lines'],
+                ];
+            }
         }
 
+        $internal_format = TxtConverter::fillStartAndEndTimes($internal_format);
+
         return $internal_format;
     }
 
diff --git a/tests/formats/TxtQuickTimeTest.php b/tests/formats/TxtQuickTimeTest.php
index 1554e7b..e85b8e7 100644
--- a/tests/formats/TxtQuickTimeTest.php
+++ b/tests/formats/TxtQuickTimeTest.php
@@ -48,7 +48,6 @@ public function testConvertingToFormat()
     public function testConvertingToInternalFormat()
     {
         $actual = Subtitles::loadFromString($this->qttxt)->getInternalFormat();
-
         $expected = (new Subtitles())
             ->add(137.44, 140.375, ['Senator, we\'re making', 'our final approach into Coruscant.'])
             ->add(3740.476, 3742.501, ['Very good, Lieutenant.'])
@@ -57,4 +56,22 @@ public function testConvertingToInternalFormat()
         $this->assertInternalFormatsEqual($expected, $actual, 0.07);
     }
 
+    public function testParsesWithNoEndTimestamp()
+    {
+        $text = <<<X
+{QTtext} {font:Tahoma}
+{plain} {size:20}
+{timeScale:30}
+{width:160} {height:32}
+{timestamps:absolute} {language:0}
+[00:00:00.00]
+a
+
+[00:00:12.00]
+b
+X;
+        $actual = Subtitles::loadFromString($text)->getInternalFormat();
+        $expected = (new Subtitles())->add(0, 12, 'a')->add(12, 13, 'b')->getInternalFormat();
+        $this->assertInternalFormatsEqual($expected, $actual);
+    }
 }
\ No newline at end of file