From 9f2edb2f8186b6941d896b4c5ef61deb9f640ae2 Mon Sep 17 00:00:00 2001
From: Midgard <midgard@zeus.ugent.be>
Date: Fri, 24 Jan 2020 01:17:30 +0100
Subject: [PATCH] Add initial HLDS highlighting for Vim

---
 etc/vim/ftdetect.vim |  1 +
 etc/vim/ftplugin.vim |  1 +
 etc/vim/syntax.vim   | 51 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 53 insertions(+)
 create mode 100644 etc/vim/ftdetect.vim
 create mode 100644 etc/vim/ftplugin.vim
 create mode 100644 etc/vim/syntax.vim

diff --git a/etc/vim/ftdetect.vim b/etc/vim/ftdetect.vim
new file mode 100644
index 0000000..74b7d82
--- /dev/null
+++ b/etc/vim/ftdetect.vim
@@ -0,0 +1 @@
+au BufRead,BufNewFile *.hlds  set filetype=hlds
diff --git a/etc/vim/ftplugin.vim b/etc/vim/ftplugin.vim
new file mode 100644
index 0000000..bbd8967
--- /dev/null
+++ b/etc/vim/ftplugin.vim
@@ -0,0 +1 @@
+setlocal noexpandtab
diff --git a/etc/vim/syntax.vim b/etc/vim/syntax.vim
new file mode 100644
index 0000000..4bb78c0
--- /dev/null
+++ b/etc/vim/syntax.vim
@@ -0,0 +1,51 @@
+" Vim syntax file
+" Language:    HLDS
+" Maintainer:  Zeus WPI
+
+" quit when a syntax file was already loaded.
+if exists("b:current_syntax")
+	finish
+endif
+
+" We need nocompatible mode in order to continue lines with backslashes.
+" Original setting will be restored.
+let s:cpo_save = &cpo
+set cpo&vim
+
+syn match hldsLocationAttribute "^\t[a-z0-9_-]\+ " display contained nextgroup=hldsLocationAttributeValue
+syn match hldsLocationAttributeValue "[^\n]\+$" display contained
+
+syn region  hldsLocationHeader matchgroup=hldsLocationHeaderDelim
+	\ start="^====*$" end="^====*$"
+	\ contains=hldsLocationAttribute
+
+syn keyword hldsBlockType     base                       nextgroup=hldsBlockIdAftrKywrd skipwhite
+syn keyword hldsChoiceType    single_choice multi_choice nextgroup=hldsBlockIdAftrKywrd skipwhite
+
+syn match   hldsBlockId          "^[a-z0-9_-]\+: "
+syn match   hldsBlockIdAftrKywrd "[a-z0-9_-]\+: " contained
+
+syn match   hldsTag       " {[a-z0-9_-]\+}"
+syn match   hldsPrice     "€ *[0-9]\+\(\.[0-9]\+\|\)"
+
+" trailing whitespace
+syn match   hldsSpaceError    display excludenl "\s\+$"
+" spaces instead of tabs
+syn match   hldsSpaceError    display "^\t* "
+
+" The default highlight links.  Can be overridden later.
+hi def link hldsLocationHeader      Function
+hi def link hldsLocationHeaderDelim hldsLocationHeader
+hi def link hldsLocationAttribute   hldsLocationHeader
+hi def link hldsChoiceType          Statement
+hi def link hldsBlockType           Statement
+hi def link hldsBlockId             Include
+hi def link hldsBlockIdAftrKywrd    hldsBlockId
+hi def link hldsPrice               Number
+hi def link hldsTag                 String
+hi def link hldsSpaceError          Error
+
+let b:current_syntax = "hlds"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save