Commit: runtime(asciidoc): include basic ftplugin

[Christian Brabandt]

runtime(asciidoc): include basic ftplugin

Commit: https://github.com/vim/vim/commit/1da0e85816718a1d45ca60b3581c62df4e352c91
Author: Luca Saccarola <github...@aleeas.com>
Date: Wed Feb 14 22:25:41 2024 +0100

runtime(asciidoc): include basic ftplugin

closes: https://github.com/vim/vim/issues/13873

Signed-off-by: Luca Saccarola <github...@aleeas.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/runtime/doc/filetype.txt b/runtime/doc/filetype.txt
index 4876e3d75..b56a3d3fa 100644
--- a/runtime/doc/filetype.txt
+++ b/runtime/doc/filetype.txt
@@ -1,4 +1,4 @@
-*filetype.txt* For Vim version 9.1. Last change: 2024 Jan 04
+*filetype.txt* For Vim version 9.1. Last change: 2024 Feb 14


VIM REFERENCE MANUAL by Bram Moolenaar
@@ -564,6 +564,18 @@ under it. If not found, a new entry and item is prepended to the beginning of
the Changelog.


+ASCIIDOC *ft-asciidoc-plugin*
+
+To enable |folding| use this: >
+ let g:asciidoc_folding = 1
+
+To disable nesting of folded headers use this: >
+ let g:asciidoc_foldnested = 0
+
+To disable folding everything under the title use this: >
+ let asciidoc_fold_under_title = 0
+
+
FORTRAN *ft-fortran-plugin*

Options:
diff --git a/runtime/doc/tags b/runtime/doc/tags
index d5ccb99da..e457180d2 100644
--- a/runtime/doc/tags
+++ b/runtime/doc/tags
@@ -7191,6 +7191,7 @@ ft-ada-syntax ft_ada.txt /*ft-ada-syntax*
ft-ada-variables ft_ada.txt /*ft-ada-variables*
ft-ant-syntax syntax.txt /*ft-ant-syntax*
ft-apache-syntax syntax.txt /*ft-apache-syntax*
+ft-asciidoc-plugin filetype.txt /*ft-asciidoc-plugin*
ft-asm-syntax syntax.txt /*ft-asm-syntax*
ft-asm68k-syntax syntax.txt /*ft-asm68k-syntax*
ft-asmh8300-syntax syntax.txt /*ft-asmh8300-syntax*
diff --git a/runtime/ftplugin/asciidoc.vim b/runtime/ftplugin/asciidoc.vim
new file mode 100644
index 000000000..5974e28dc
--- /dev/null
+++ b/runtime/ftplugin/asciidoc.vim
@@ -0,0 +1,67 @@
+" Vim filetype plugin file
+" Original Author: Maxim Kim <hab...@gmail.com>
+" Language: asciidoc
+" Maintainer: Luca Saccarola <github...@aleeas.com>
+" Last Change: 2024 Jan 16
+
+if exists("b:did_ftplugin")
+ finish
+endif
+let b:did_ftplugin = 1
+
+if exists('b:undo_ftplugin')
+ let b:undo_ftplugin .= "|setl cms< com< fo< flp< inex< efm< cfu< fde< fdm<"
+else
+ let b:undo_ftplugin = "setl cms< com< fo< flp< inex< efm< cfu< fde< fdm<"
+endif
+
+" gf to open include::file.ext[] and link:file.ext[] files
+setlocal includeexpr=substitute(v:fname,'\(link:\\|include::\)\(.\{-}\)\[.*','\2','g')
+
+setlocal comments=
+setlocal commentstring=//\ %s
+
+setlocal formatoptions+=cqn
+setlocal formatlistpat=^\s*[\[({]\?\([0-9]\+
+setlocal formatlistpat+=\\|[a-zA-Z]\)[\]:.)}]\s\+
+setlocal formatlistpat+=\\|^\s*-\s\+
+setlocal formatlistpat+=\\|^\s*[*]\+\s\+
+setlocal formatlistpat+=\\|^\s*[.]\+\s\+
+
+function AsciidocFold()
+ let line = getline(v:lnum)
+
+ if (v:lnum == 1) && (line =~ '^----*$')
+ return ">1"
+ endif
+
+ let nested = get(g:, "asciidoc_foldnested", 1)
+
+ " Regular headers
+ let depth = match(line, '\(^=\+\)\@<=\( .*$\)\@=')
+
+ " Do not fold nested regular headers
+ if depth > 1 && !nested
+ let depth = 1
+ endif
+
+ if depth > 0
+ " fold all sections under title
+ if depth > 1 && !get(g:, "asciidoc_fold_under_title", 1)
+ let depth -= 1
+ endif
+ " check syntax, it should be asciidocTitle or asciidocH
+ let syncode = synstack(v:lnum, 1)
+ if len(syncode) > 0 && synIDattr(syncode[0], 'name') =~ 'asciidoc\%(H[1-6]\)\|Title'
+ return ">" . depth
+ endif
+ endif
+
+ return "="
+endfunction
+
+if has("folding") && get(g:, 'asciidoc_folding', 0)
+ setlocal foldexpr=AsciidocFold()
+ setlocal foldmethod=expr
+ let b:undo_ftplugin .= "|setl foldexpr< foldmethod< foldtext<"
+endif