runtime(java): Make the bundled &foldtext function optional
- Obtain and pass through translated messages with this
function.
- If "g:java_foldtext_show_first_or_second_line" is defined,
assign this function to &foldtext.
closes: #15549
Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/syntax/java.vim b/runtime/syntax/java.vim
index 0ed8194..51ef839 100644
--- a/runtime/syntax/java.vim
+++ b/runtime/syntax/java.vim
@@ -3,7 +3,7 @@
" Maintainer: Aliaksei Budavei <0x000c70 AT gmail DOT com>
" Former Maintainer: Claudio Fleiner <claudio@fleiner.com>
" Repository: https://github.com/zzzyxwvut/java-vim.git
-" Last Change: 2024 Jul 30
+" Last Change: 2024 Aug 22
" Please check :help java.vim for comments on some of the options available.
@@ -39,17 +39,27 @@
endfunction
endif
-function! JavaSyntaxFoldTextExpr() abort
- return getline(v:foldstart) !~ '/\*\+\s*$'
- \ ? foldtext()
- \ : printf('+-%s%3d lines: ',
- \ v:folddashes,
- \ (v:foldend - v:foldstart + 1)) .
- \ getline(v:foldstart + 1)
-endfunction
+if exists("g:java_foldtext_show_first_or_second_line")
+ function! s:LazyPrefix(prefix, dashes, count) abort
+ return empty(a:prefix)
+ \ ? printf('+-%s%3d lines: ', a:dashes, a:count)
+ \ : a:prefix
+ endfunction
-" E120 for "fdt=s:JavaSyntaxFoldTextExpr()" before v8.2.3900.
-setlocal foldtext=JavaSyntaxFoldTextExpr()
+ function! JavaSyntaxFoldTextExpr() abort
+ " Piggyback on NGETTEXT.
+ let summary = foldtext()
+ return getline(v:foldstart) !~ '/\*\+\s*$'
+ \ ? summary
+ \ : s:LazyPrefix(matchstr(summary, '^+-\+\s*\d\+\s.\{-1,}:\s'),
+ \ v:folddashes,
+ \ (v:foldend - v:foldstart + 1)) .
+ \ getline(v:foldstart + 1)
+ endfunction
+
+ " E120 for "fdt=s:JavaSyntaxFoldTextExpr()" before v8.2.3900.
+ setlocal foldtext=JavaSyntaxFoldTextExpr()
+endif
" Admit the ASCII dollar sign to keyword characters (JLS-17, §3.8):
try
@@ -624,15 +634,25 @@
finish
endif
-def! s:JavaSyntaxFoldTextExpr(): string
- return getline(v:foldstart) !~ '/\*\+\s*$'
- ? foldtext()
- : printf('+-%s%3d lines: ',
- v:folddashes,
- (v:foldend - v:foldstart + 1)) ..
- getline(v:foldstart + 1)
-enddef
+if exists("g:java_foldtext_show_first_or_second_line")
+ def! s:LazyPrefix(prefix: string, dashes: string, count: number): string
+ return empty(prefix)
+ ? printf('+-%s%3d lines: ', dashes, count)
+ : prefix
+ enddef
-setlocal foldtext=s:JavaSyntaxFoldTextExpr()
-delfunction! g:JavaSyntaxFoldTextExpr
+ def! s:JavaSyntaxFoldTextExpr(): string
+ # Piggyback on NGETTEXT.
+ const summary: string = foldtext()
+ return getline(v:foldstart) !~ '/\*\+\s*$'
+ ? summary
+ : LazyPrefix(matchstr(summary, '^+-\+\s*\d\+\s.\{-1,}:\s'),
+ v:folddashes,
+ (v:foldend - v:foldstart + 1)) ..
+ getline(v:foldstart + 1)
+ enddef
+
+ setlocal foldtext=s:JavaSyntaxFoldTextExpr()
+ delfunction! g:JavaSyntaxFoldTextExpr
+endif
" vim: sw=2 ts=8 noet sta