Add categories in rc/

Closes #2783

1 files changed, 63 insertions, 0 deletions

diff --git a/rc/filetype/toml.kak b/rc/filetype/toml.kak
new file mode 100644
index 00000000..f95fbb9d
--- /dev/null
+++ b/rc/filetype/toml.kak
@@ -0,0 +1,63 @@
+# https://github.com/toml-lang/toml/tree/v0.4.0
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+# Detection
+# ‾‾‾‾‾‾‾‾‾
+
+hook global BufCreate .*\.(toml) %{
+    set-option buffer filetype toml
+}
+
+# Highlighters
+# ‾‾‾‾‾‾‾‾‾‾‾‾
+
+add-highlighter shared/toml regions
+add-highlighter shared/toml/code default-region group
+add-highlighter shared/toml/comment region '#'   $           fill comment
+add-highlighter shared/toml/string1 region  '"""' (?<!\\)(\\\\)*""" fill string
+add-highlighter shared/toml/string2 region  "'''" "'''"             fill string
+add-highlighter shared/toml/string3 region  '"'   (?<!\\)(\\\\)*"   fill string
+add-highlighter shared/toml/string4 region  "'"   "'"               fill string
+
+add-highlighter shared/toml/code/ regex \
+    "^\h*\[\[?([A-Za-z0-9._-]*)\]\]?" 1:title
+add-highlighter shared/toml/code/ regex \
+    (?<!\w)[+-]?[0-9](_?\d)*(\.[0-9](_?\d)*)?([eE][+-]?[0-9](_?\d)*)?\b 0:value
+add-highlighter shared/toml/code/ regex \
+    true|false 0:value
+add-highlighter shared/toml/code/ regex \
+    '\d{4}-\d{2}-\d{2}[Tt ]\d{2}:\d{2}:\d{2}(.\d+)?([Zz]|[+-]\d{2}:\d{2})' 0:value
+
+# Commands
+# ‾‾‾‾‾‾‾‾
+
+define-command -hidden toml-trim-indent %{
+    # remove trailing white spaces
+    try %{ execute-keys -draft -itersel <a-x> s \h+$ <ret> d }
+}
+
+define-command -hidden toml-indent-on-new-line %{
+    evaluate-commands -draft -itersel %{
+        # copy comment prefix and following white spaces
+        try %{ execute-keys -draft k <a-x> s ^\h*\K#\h* <ret> y gh j P }
+        # preserve previous line indent
+        try %{ execute-keys -draft \; K <a-&> }
+        # filter previous line
+        try %{ execute-keys -draft k : toml-trim-indent <ret> }
+    }
+}
+
+# Initialization
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+hook -group toml-highlight global WinSetOption filetype=toml %{
+    add-highlighter window/toml ref toml
+    hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/toml }
+}
+
+hook global WinSetOption filetype=toml %{
+    hook window ModeChange insert:.* -group toml-trim-indent toml-trim-indent
+    hook window InsertChar \n -group toml-indent toml-indent-on-new-line
+
+    hook -once -always window WinSetOption filetype=.* %{ remove-hooks window toml-.+ }
+}