Adds request syntax

syntax/request.vim

@@ -0,0 +1,33 @@
+if exists("b:current_syntax")
+  finish
+endif
+
+runtime! syntax/html.vim
+runtime! after/syntax/html.vim
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+syn keyword httpMethod  OPTIONS GET HEAD POST PUT DELETE TRACE CONNECT PATCH contained
+
+syn match httpProto         'HTTP/[0-9.]\+' contained
+syn match httpStatusCode    '[0-9]\{3\}' contained
+syn match httpStatus        '[0-9]\{3\} .*$' contained contains=httpStatusCode
+syn match httpHeaderKey     '^[A-Z][A-Za-z0-9\-]*:' contained
+syn match httpURILine       '^\(OPTIONS\|GET\|HEAD\|POST\|PUT\|DELETE\|TRACE\|CONNECT\|PATCH\)\( .*\)\?\(HTTP/[0-9.]\+\)\?$'  contains=httpMethod,httpProto contained
+syn match httpResponseLine  '^HTTP/[0-9.]\+ [0-9]\{3\}.*$' contains=httpProto,httpStatus contained
+syn match httpHeaderLine    '^[A-Z][A-Za-z0-9\-]*: .*$' contains=httpHeaderKey contained
+
+syn region httpHeader       start='^\(OPTIONS\|GET\|HEAD\|POST\|PUT\|DELETE\|TRACE\|CONNECT\|PATCH\)\( .*\)\?\(HTTP/[0-9.]\+\)\?$' end='\n\s*\n' contains=httpURILine,httpHeaderLine
+syn region httpHeader       start='^HTTP/[0-9.]\+ [0-9]\{3\}.*$' end='\n\s*\n' contains=httpResponseLine,httpHeaderLine
+
+hi link httpMethod      Type
+hi link httpProto       Statement
+hi link httpHeaderKey   Identifier
+hi link httpStatus      String
+hi link httpStatusCode      Number
+
+let b:current_syntax = 'request'
+
+let &cpo = s:cpo_save
+unlet s:cpo_save