cpp.kak: use regex filter to handle indentation

1 files changed, 7 insertions, 6 deletions

diff --git a/src/rc/cpp.kak b/src/rc/cpp.kak
index d9908fc8..d318df4a 100644
--- a/src/rc/cpp.kak
+++ b/src/rc/cpp.kak
@@ -9,7 +9,7 @@ hook global BufOpen .* %{ %sh{
      fi
 } }
 
-hook global WinSetOption filetype=cpp %{
+hook global WinSetOption filetype=cpp %~
     addhl group cpp-highlight
     addhl -group cpp-highlight regex "\<(this|true|false|NULL|nullptr|)\>|\<-?\d+[fdiu]?|'((\\.)?|[^'\\])'" 0:value
     addhl -group cpp-highlight regex "\<(void|int|char|unsigned|float|bool|size_t)\>" 0:type
@@ -18,14 +18,15 @@ hook global WinSetOption filetype=cpp %{
     addhl -group cpp-highlight regex "(?<!')\".*?(?<!\\)(\\\\)*\"" 0:string
     addhl -group cpp-highlight regex "(\`|(?<=\n))\h*#\h*[^\n]*" 0:macro
     addhl -group cpp-highlight regex "(//[^\n]*\n)|(/\*.*?(\*/|\'))" 0:comment
-    addfilter group cpp-filters;
-    addfilter -group cpp-filters preserve_indent;
-    addfilter -group cpp-filters cleanup_whitespaces;
+    addfilter group cpp-filters
+    addfilter -group cpp-filters regex ^(\h+)[^\n]*[^([{]\h* \n \n$1
+    addfilter -group cpp-filters regex ^(\h*)[^\n]*[([{]\h* \n '\n$1    '
+    addfilter -group cpp-filters cleanup_whitespaces
     hook window InsertEnd .* %{ exec xs\h+(?=\n)<ret>d }
-}
+~
 
 hook global WinSetOption filetype=(?!cpp).* %{
-    rmhl cpp-highlight;
+    rmhl cpp-highlight
     rmfilter cpp-filters
 }