From 21e284222f29be76d46ce71fba47b8ef529042ed Mon Sep 17 00:00:00 2001
From: Mantas <mantas783@gmail.com>
Date: Fri, 29 Mar 2024 14:42:31 +0200
Subject: [PATCH] Explore RTF parsing

---
 composer.json                                 |  2 +-
 .../{EbuStlConverter.php => EbuStlReader.php} |  2 +-
 src/Code/Converters/RtfReader.php             | 28 +++++++++++++++++++
 src/Subtitles.php                             |  8 ++++--
 tests/formats/EbuStlTest.php                  |  4 +--
 5 files changed, 37 insertions(+), 7 deletions(-)
 rename src/Code/Converters/{EbuStlConverter.php => EbuStlReader.php} (99%)
 create mode 100644 src/Code/Converters/RtfReader.php

diff --git a/composer.json b/composer.json
index 441cab1..b282f8d 100644
--- a/composer.json
+++ b/composer.json
@@ -21,4 +21,4 @@
     "require-dev": {
         "phpunit/phpunit": "^8.0"
     }
-}
\ No newline at end of file
+}
diff --git a/src/Code/Converters/EbuStlConverter.php b/src/Code/Converters/EbuStlReader.php
similarity index 99%
rename from src/Code/Converters/EbuStlConverter.php
rename to src/Code/Converters/EbuStlReader.php
index 6bdfce9..b8efd94 100644
--- a/src/Code/Converters/EbuStlConverter.php
+++ b/src/Code/Converters/EbuStlReader.php
@@ -4,7 +4,7 @@
 
 use Done\Subtitles\Code\UserException;
 
-class EbuStlConverter implements ConverterContract
+class EbuStlReader implements ConverterContract
 {
     public function canParseFileContent($file_content)
     {
diff --git a/src/Code/Converters/RtfReader.php b/src/Code/Converters/RtfReader.php
new file mode 100644
index 0000000..4840809
--- /dev/null
+++ b/src/Code/Converters/RtfReader.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace Done\Subtitles\Code\Converters;
+
+use Done\Subtitles\Code\Helpers;
+use Done\Subtitles\Code\UserException;
+use Done\Subtitles\Subtitles;
+use Jstewmc\Rtf\Document;
+
+class RtfReader implements ConverterContract
+{
+    public function canParseFileContent($file_content)
+    {
+        return strpos($file_content, '{\rtf1') === 0;
+    }
+
+    public function fileContentToInternalFormat($file_content, $original_file_content)
+    {
+
+    }
+
+    public function internalFormatToFileContent(array $internal_format, array $options)
+    {
+        // not implemented
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/Subtitles.php b/src/Subtitles.php
index 7d91aa2..6e515a8 100644
--- a/src/Subtitles.php
+++ b/src/Subtitles.php
@@ -6,8 +6,9 @@
 use Done\Subtitles\Code\Converters\BinaryFinder;
 use Done\Subtitles\Code\Converters\CsvConverter;
 use Done\Subtitles\Code\Converters\DfxpConverter;
-use Done\Subtitles\Code\Converters\EbuStlConverter;
+use Done\Subtitles\Code\Converters\EbuStlReader;
 use Done\Subtitles\Code\Converters\LrcConverter;
+use Done\Subtitles\Code\Converters\RtfReader;
 use Done\Subtitles\Code\Converters\SbvConverter;
 use Done\Subtitles\Code\Converters\SccConverter;
 use Done\Subtitles\Code\Converters\SmiConverter;
@@ -39,7 +40,7 @@ class Subtitles
         ['extension' => 'vtt',  'format' => 'vtt',              'name' => 'WebVTT',                     'class' => VttConverter::class],
         ['extension' => 'srt',  'format' => 'srt',              'name' => 'SubRip',                     'class' => SrtConverter::class],
         ['extension' => 'stl',  'format' => 'stl',              'name' => 'Spruce Subtitle File',       'class' => StlConverter::class],
-        ['extension' => 'stl',  'format' => 'ebu_stl',          'name' => 'EBU STL',                    'class' => EbuStlConverter::class], // text needs to be converted from iso6937 encoding. PHP doesn't support it natively
+        ['extension' => 'stl',  'format' => 'ebu_stl',          'name' => 'EBU STL',                    'class' => EbuStlReader::class], // text needs to be converted from iso6937 encoding. PHP doesn't support it natively
         ['extension' => 'sub',  'format' => 'sub_microdvd',     'name' => 'MicroDVD',                   'class' => SubMicroDvdConverter::class],
         ['extension' => 'sub',  'format' => 'sub_subviewer',    'name' => 'SubViewer2.0',               'class' => SubViewerConverter::class],
         ['extension' => 'ttml', 'format' => 'ttml',             'name' => 'TimedText 1.0',              'class' => TtmlConverter::class],
@@ -48,8 +49,9 @@ class Subtitles
         ['extension' => 'txt',  'format' => 'txt_quicktime',    'name' => 'Quick Time Text',            'class' => TxtQuickTimeConverter::class],
         ['extension' => 'scc',  'format' => 'scc',              'name' => 'Scenarist',                  'class' => SccConverter::class],
         ['extension' => 'lrc',  'format' => 'lrc',              'name' => 'LyRiCs',                     'class' => LrcConverter::class],
+//        ['extension' => 'rtf',  'format' => 'rtf',              'name' => 'Rich text format',           'class' => RtfReader::class], // libraryies eather throws exception, not parses, or takes long to parse 2h file
         ['extension' => 'csv',  'format' => 'csv',              'name' => 'Coma Separated Values',      'class' => CsvConverter::class], // must be last from bottom
-        ['extension' => 'bin',  'format' => 'bin',              'name' => 'Binary',                     'class' => BinaryFinder::class], // must be the last one
+        ['extension' => 'bin',  'format' => 'bin',              'name' => 'Binary',                     'class' => BinaryFinder::class],
         ['extension' => 'txt',  'format' => 'txt',              'name' => 'Plaintext',                  'class' => TxtConverter::class], // must be the last one
     ];
 
diff --git a/tests/formats/EbuStlTest.php b/tests/formats/EbuStlTest.php
index 90f6b47..93bf5b6 100644
--- a/tests/formats/EbuStlTest.php
+++ b/tests/formats/EbuStlTest.php
@@ -2,7 +2,7 @@
 
 namespace Tests\Formats;
 
-use Done\Subtitles\Code\Converters\EbuStlConverter;
+use Done\Subtitles\Code\Converters\EbuStlReader;
 use Done\Subtitles\Code\Converters\VttConverter;
 use Done\Subtitles\Code\Formats\Vtt;
 use Done\Subtitles\Code\Helpers;
@@ -29,7 +29,7 @@ public function testParsesEbuStl()
 
     public function testTextConversion()
     {
-        $actual = EbuStlConverter::iso6937ToUtf8("\xA439");
+        $actual = EbuStlReader::iso6937ToUtf8("\xA439");
         $this->assertEquals('$39', $actual);
     }
 }
\ No newline at end of file