Add language_caddyfile (#104)

* added language_caddyfile

1 files changed, 104 insertions, 0 deletions

diff --git a/plugins/language_caddyfile.lua b/plugins/language_caddyfile.lua
new file mode 100644
index 0000000..f918c16
--- /dev/null
+++ b/plugins/language_caddyfile.lua
@@ -0,0 +1,104 @@
+-- mod-version:3
+local syntax = require "core.syntax"
+
+syntax.add {
+  files = { "Caddyfile" },
+  comment = "#",
+  patterns = {
+    { pattern = { "#", "\n"},          type = "comment"  },
+    { pattern = { '"', '"', '\\' },    type = "string"   },
+    -- Matcher definition
+    { pattern = "@[%w_]+",             type = "operator" },
+    -- Snippet
+    { pattern = "%(%g+%)",             type = "operator" },
+    -- Properties
+    { pattern = "^[%a_][%w_]*()%s+%f[%g]",
+      type = { "function", "normal" }
+    },
+    { pattern = "^[%a_][%w_]*()%s+$",
+      type = { "function", "normal" }
+    },
+    { pattern = "^%s*()[%a_][%w_]*()%s+$",
+      type = { "normal", "function", "normal" }
+    },
+    { pattern = "^%s*()[%a_][%w_]*()%s+%f[%g]",
+      type = { "normal", "function", "normal" }
+    },
+    -- Environment variables
+    { pattern = "{()%$[%w_]+():()[%w_]+()}",
+      type = { "operator", "keyword2", "operator", "keyword2", "operator" }
+    },
+    { pattern = "{()%$[%w_]+()}",
+      type = { "operator", "keyword2", "operator" }
+    },
+    -- Place holder
+    { pattern = "{%g-}",               type = "keyword2"  },
+    -- Operators
+    { pattern = "[+%-,:]",             type = "operator" },
+    -- IP Address
+    { pattern = "%d+%.%d+%.%d+%.%d+",  type = "literal"  },
+    -- Path /path/subpath
+    { pattern = "/[%w%./]+",           type = "literal"  },
+    -- Wildcard domain *.levels
+    { pattern = "%*()[%w.]+",
+      type = { "operator", "literal" }
+    },
+    -- Match Operator
+    { pattern = "%*+",                 type = "operator" },
+    -- Domain leve1.level2
+    { pattern = "https?://[%w%./%*]+", type = "literal"  },
+    -- Domain leve1.level2
+    { pattern = "%w+%.[%w%.]+",        type = "literal"  },
+    -- Number
+    { pattern = "%d+[mhskbi]*",        type = "number"   },
+    -- Everything else for symbols to work
+    { pattern = "[%a_][%w_]*",         type = "symbol"   },
+  },
+  symbols = {
+    ["true"] = "literal",
+    ["false"] = "literal",
+    ["localhost"] = "literal",
+
+    -- built-in directives
+    ["abort"] = "keyword",
+    ["acme_server"] = "keyword",
+    ["basicauth"] = "keyword",
+    ["bind"] = "keyword",
+    ["encode"] = "keyword",
+    ["error"] = "keyword",
+    ["file_server"] = "keyword",
+    ["forward_auth"] = "keyword",
+    ["handle"] = "keyword",
+    ["handle_errors"] = "keyword",
+    ["handle_path"] = "keyword",
+    ["header"] = "keyword",
+    ["import"] = "keyword",
+    ["log"] = "keyword",
+    ["method"] = "keyword",
+    ["map"] = "keyword",
+    ["metrics"] = "keyword",
+    ["php_fastcgi"] = "keyword",
+    ["push"] = "keyword",
+    ["redir"] = "keyword",
+    ["request_body"] = "keyword",
+    ["request_header"] = "keyword",
+    ["respond"] = "keyword",
+    ["reverse_proxy"] = "keyword",
+    ["rewrite"] = "keyword",
+    ["root"] = "keyword",
+    ["route"] = "keyword",
+    ["templates"] = "keyword",
+    ["tls"] = "keyword",
+    ["tracing"] = "keyword",
+    ["try_files"] = "keyword",
+    ["uri"] = "keyword",
+    ["vars"] = "keyword",
+
+    -- Module directives
+    ["cgi"] = "keyword",
+    ["ssh"] = "keyword",
+    ["exec"] = "keyword",
+    ["supervisor"] = "keyword",
+    ["layer4"] = "keyword",
+  },
+}