feat: Nginx support (helix-editor#12309)

Co-authored-by: Denis Gruzdev <codingjerk@gmail.com>

book/src/generated/lang-support.md

@@ -140,6 +140,7 @@
 | msbuild | ✓ |  | ✓ |  |
 | nasm | ✓ | ✓ |  |  |
 | nestedtext | ✓ | ✓ | ✓ |  |
+| nginx | ✓ |  |  |  |
 | nickel | ✓ |  | ✓ | `nls` |
 | nim | ✓ | ✓ | ✓ | `nimlangserver` |
 | nix | ✓ | ✓ |  | `nil`, `nixd` |

languages.toml

@@ -4004,3 +4004,21 @@ indent = { tab-width = 4, unit = "    " }
 [[grammar]]
 name = "vento"
 source = { git = "https://github.com/ventojs/tree-sitter-vento", rev = "3321077d7446c1b3b017c294fd56ce028ed817fe" }
+
+[[language]]
+name = "nginx"
+scope = "source.nginx"
+injection-regex = "nginx"
+file-types = [
+  { glob = "sites-available/*.conf" },
+  { glob = "sites-enabled/*.conf" },
+  { glob = "nginx.conf" },
+  { glob = "conf.d/*.conf" } 
+]
+roots = ["nginx.conf"]
+comment-token = "#"
+indent = { tab-width = 4, unit = "    " }
+
+[[grammar]]
+name = "nginx"
+source = { git = "https://gitlab.com/joncoole/tree-sitter-nginx", rev = "b4b61db443602b69410ab469c122c01b1e685aa0" }

runtime/queries/nginx/highlights.scm

@@ -0,0 +1,45 @@
+(comment) @comment
+
+(block_directive
+	(directive) @type)
+
+[
+	"{"
+	"}"
+	"("
+	")"
+	"["
+	"]"
+] @punctuation.bracket
+
+(simple_directive
+	(directive) @function)
+
+[
+	";"
+] @punctuation.delimiter
+
+((generic) @keyword
+ (#any-of? @keyword
+ 	"on"
+ 	"off"
+ 	"any"
+ 	"auto"))
+
+(modifier) @operator
+
+(generic) @variable
+
+(string) @string
+
+(number) @constant.numeric
+(metric) @constant.numeric
+
+(variable) @variable.parameter
+
+(regex) @string
+
+(modifier) @keyword.operator
+
+(lua_block_directive
+	"access_by_lua_block" @function)

runtime/queries/nginx/injections.scm

@@ -0,0 +1,9 @@
+((lua_code) @injection.content
+ (#set! injection.language "lua")
+ (#set! injection.combined))
+
+((regex) @injection.content
+ (#set! injection.language "regex"))
+
+((comment) @injection.content
+ (#set! injection.language "comment"))