# HG changeset patch
# User Christian Brabandt <cb@256bit.org>
# Date 1720466105 -7200
# Node ID 76a7b52b8e75eb574446c9e80fd8c666788af21a
# Parent  6b25a67d62b9497146b1d2d495ad5ac67b7db7a8
runtime(hlsplaylist): include hlsplaylist ftplugin file

Commit: https://github.com/vim/vim/commit/ab03dd2085a37a62864cbf8616ebd52b8bbc3f6b
Author: AvidSeeker <avidseeker7@protonmail.com>
Date:   Mon Jul 8 21:10:08 2024 +0200

    runtime(hlsplaylist): include hlsplaylist ftplugin file

    fixes: https://github.com/vim/vim/issues/15156
    closes: https://github.com/vim/vim/issues/15162

    Co-authored-by: zeertzjq <zeertzjq@outlook.com>
    Signed-off-by: AvidSeeker <avidseeker7@protonmail.com>
    Signed-off-by: Christian Brabandt <cb@256bit.org>

diff --git a/.github/MAINTAINERS b/.github/MAINTAINERS
--- a/.github/MAINTAINERS
+++ b/.github/MAINTAINERS
@@ -107,7 +107,7 @@ runtime/compiler/zsh.vim		@dkearns
 runtime/doc/ft_hare.txt			@selenebun
 runtime/doc/ps1.txt			@heaths
 runtime/ftplugin/abaqus.vim		@costerwi
-runtime/ftplugin/apache.vim		@dubgeiser 
+runtime/ftplugin/apache.vim		@dubgeiser
 runtime/ftplugin/arduino.vim		@k-takata
 runtime/ftplugin/astro.vim		@romainl
 runtime/ftplugin/awk.vim		@dkearns
@@ -165,6 +165,7 @@ runtime/ftplugin/hare.vim		@selenebun
 runtime/ftplugin/haredoc.vim		@selenebun
 runtime/ftplugin/heex.vim		@cvincent
 runtime/ftplugin/hgcommit.vim		@k-takata
+runtime/ftplugin/hlsplaylist.vim		@avidseeker
 runtime/ftplugin/hog.vim		@wtfbbqhax
 runtime/ftplugin/html.vim		@dkearns
 runtime/ftplugin/hyprlang.vim		@ribru17
diff --git a/runtime/ftplugin/hlsplaylist.vim b/runtime/ftplugin/hlsplaylist.vim
new file mode 100644
--- /dev/null
+++ b/runtime/ftplugin/hlsplaylist.vim
@@ -0,0 +1,37 @@
+" Vim filetype plugin
+" Language:     HLS/M3U Playlist
+" Maintainer:	AvidSeeker <avidseeker7@protonmail.com>
+" Last Change:  2024 Jul 07
+"
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let g:did_ftplugin = 1
+
+setlocal commentstring=#%s
+
+let b:undo_ftplugin = "setl commentstring<"
+
+function! M3UFold() abort
+  let line = getline(v:lnum)
+  if line =~# '^#EXTGRP'
+    return ">1"
+  endif
+  return "="
+endfunction
+
+function! M3UFoldText() abort
+  let start_line = getline(v:foldstart)
+  let title = substitute(start_line, '^#EXTGRP:*', '', '')
+  let foldsize = (v:foldend - v:foldstart + 1)
+  let linecount = '['.foldsize.' lines]'
+  return title.' '.linecount
+endfunction
+
+if has("folding")
+  setlocal foldexpr=M3UFold()
+  setlocal foldmethod=expr
+  setlocal foldtext=M3UFoldText()
+  let b:undo_ftplugin .= "|setl foldexpr< foldmethod< foldtext<"
+endif