Add center tag

description.py

@@ -24,6 +24,7 @@ DESCRIPTION_GRAMMAR = r"""
   document: b_tag
           | i_tag
           | u_tag
+          | center_tag
           | url_tag
           | self_tag
           | if_tag
@@ -34,6 +35,7 @@ DESCRIPTION_GRAMMAR = r"""
   b_tag: "[b]" [document_list] "[/b]"
   i_tag: "[i]" [document_list] "[/i]"
   u_tag: "[u]" [document_list] "[/u]"
+  center_tag: "[center]" [document_list] "[/center]"
   url_tag: "[url" ["=" [URL]] "]" [document_list] "[/url]"
 
   self_tag: "[self][/self]"
@@ -156,6 +158,9 @@ class UploadTransformer(lark.Transformer):
   def u_tag(self, _):
     raise NotImplementedError('UploadTransformer.u_tag is abstract')
 
+  def center_tag(self, _):
+    raise NotImplementedError('UploadTransformer.center_tag is abstract')
+
   def url_tag(self, _):
     raise NotImplementedError('UploadTransformer.url_tag is abstract')
 
@@ -261,6 +266,11 @@ class BbcodeTransformer(UploadTransformer):
       return ''
     return f'[u]{data[0]}[/u]'
 
+  def center_tag(self, data):
+    if data[0] is None or not data[0].strip():
+      return ''
+    return f'[center]{data[0]}[/center]'
+
   def url_tag(self, data):
     if data[0] is None or not data[0].strip():
       return data[1].strip() if data[1] else ''
@@ -297,6 +307,9 @@ class PlaintextTransformer(UploadTransformer):
   def u_tag(self, data):
     return str(data[0]) if data[0] else ''
 
+  def center_tag(self, data):
+    return str(data[0]) if data[0] else ''
+
   def url_tag(self, data):
     if data[0] is None or not data[0].strip():
       return data[1] if data[1] and data[1].strip() else ''
@@ -391,6 +404,11 @@ class WeasylTransformer(MarkdownTransformer):
   def transformer_matches_site(site: str) -> bool:
     return site == 'weasyl'
 
+  def center_tag(self, data):
+    if data[0] is None or not data[0].strip():
+      return ''
+    return f'<div class="align-center">{data[0]}</div>'
+
   def user_tag_root(self, data):
     user_data: SiteSwitchTag = data[0]
     if user_data['weasyl']:

test/description/input_1.txt

@@ -2,7 +2,7 @@
 
 This is just a [u]simple[/u] test to show that basic functionality of [url=https://github.com/BadMannersXYZ/upload-generator]upload-generator[/url] [i]works[/i]. [if=define==test_parse_description]And this is running in a unit test.[/if][else]Why did you parse this outside of a unit test?![/else]
 
-Reminder that I am [self][/self]!
+[center]Reminder that I am [self][/self]![/center]
 
 My friend: [user][sofurry=FriendSoFurry][fa=FriendFa][mastodon=@FriendMastodon@example.org]Friend123[/mastodon][/fa][/sofurry][/user][if=site in ib,aryion,weasyl] (I dunno his account here...)[/if]
 

test/description/output_1/desc_aryion.txt

@@ -2,7 +2,7 @@
 
 This is just a [u]simple[/u] test to show that basic functionality of [url=https://github.com/BadMannersXYZ/upload-generator]upload-generator[/url] [i]works[/i]. And this is running in a unit test.
 
-Reminder that I am :iconUserAryion:!
+[center]Reminder that I am :iconUserAryion:![/center]
 
 My friend: [url=https://example.org/@FriendMastodon]Friend123[/url] (I dunno his account here...)
 

test/description/output_1/desc_furaffinity.txt

@@ -2,7 +2,7 @@
 
 This is just a [u]simple[/u] test to show that basic functionality of [url=https://github.com/BadMannersXYZ/upload-generator]upload-generator[/url] [i]works[/i]. And this is running in a unit test.
 
-Reminder that I am :iconUserFuraffinity:!
+[center]Reminder that I am :iconUserFuraffinity:![/center]
 
 My friend: :iconFriendFa:
 

test/description/output_1/desc_inkbunny.txt

@@ -2,7 +2,7 @@
 
 This is just a [u]simple[/u] test to show that basic functionality of [url=https://github.com/BadMannersXYZ/upload-generator]upload-generator[/url] [i]works[/i]. And this is running in a unit test.
 
-Reminder that I am [iconname]UserInkbunny[/iconname]!
+[center]Reminder that I am [iconname]UserInkbunny[/iconname]![/center]
 
 My friend: [fa]FriendFa[/fa] (I dunno his account here...)
 

test/description/output_1/desc_sofurry.txt

@@ -2,7 +2,7 @@
 
 This is just a [u]simple[/u] test to show that basic functionality of [url=https://github.com/BadMannersXYZ/upload-generator]upload-generator[/url] [i]works[/i]. And this is running in a unit test.
 
-Reminder that I am :iconUserSoFurry:!
+[center]Reminder that I am :iconUserSoFurry:![/center]
 
 My friend: :iconFriendSoFurry:
 

test/description/output_1/desc_weasyl.md

@@ -2,7 +2,7 @@
 
 This is just a <u>simple</u> test to show that basic functionality of [upload-generator](https://github.com/BadMannersXYZ/upload-generator) *works*. And this is running in a unit test.
 
-Reminder that I am <!~UserWeasyl>!
+<div class="align-center">Reminder that I am <!~UserWeasyl>!</div>
 
 My friend: <fa:FriendFa> (I dunno his account here...)