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#syntax highlighting for the Sieve email filtering language
#based on:
# RFC's { 3894,5173,5228,5229,5230,5231,5232,5233
# 5235,5260,5293,5435,5437,5463,5490,5703
# 6009,6131,6134,6558,6609,7352,8579,8580 }
# vnd.dovecot { debug,execute,report }
# Spec Drafts { IETF Sieve Regex,Martin Sieve Notify
# Melnikov Sieve IMAPFlags }
syntax Sieve "\.(siv|sieve)$"
#-----------------------------#
##control
#RFC 5228 (base spec)
icolor yellow "\<(stop|require)\>"
#RFC 5463 (ihave extension)
icolor yellow "\<(error)\>"
#RFC 6609 (include extension)
icolor yellow "\<(include)\>"
#-----------------------------#
##conditional
#RFC 5228 (base spec)
icolor brightgreen "\<(if|else|elsif)\>"
#RFC 5703 (extensions for mime part tests, iteration, extraction, replacement, and enclosure)
icolor brightgreen "\<(foreverypart)\>"
#-----------------------------#
##test modifiers
#RFC 5228 (base spec)
icolor brightred "\<(allof|anyof|true|false|not)\>"
#-----------------------------#
##tests
#RFC 5228 (base spec)
icolor brightcyan "\<(address|envelope|exists|header|size)\>"
#RFC 5173 (body extension)
icolor brightcyan "\<(body)\>"
#RFC 5183 (environment extension)
icolor brightcyan "\<(environment)\>"
#RFC 5232 (imap4flags extension)
icolor brightcyan "\<(hasflag)\>"
#RFC 5235 (spamtest and virustest extensions)
icolor brightcyan "\<(spamtest|virustest)\>"
#RFC 5260 (date and index extensions)
icolor brightcyan "\<(date|currentdate)\>"
#RFC 5437 (notification mechanism for xmpp)
icolor brightcyan "\<(notify_method_capability)\>"
#RFC 5463 (ihave extension)
icolor brightcyan "\<(ihave)\>"
#RFC 5490 (extensions for checking mailbox status and accessing mailbox metadata)
icolor brightcyan "\<(mailboxexists|metadata|metadataexists)\>"
icolor brightcyan "\<(servermetadata|servermetadataexists)\>"
#RFC 6134 (extension for externally stored lists)
icolor brightcyan "\<(valid_ext_list)\>"
#RFC 7352 (extension for detecting duplicate deliveries)
icolor brightcyan "\<(duplicate)\>"
#RFC 8579 (extension for delivering to special-use mailboxes)
icolor brightcyan "\<(specialuse_exists)\>"
#-----------------------------#
##comparators
#RFC 5228 (base spec)
icolor cyan "\s:(contains|is|matches|over|under)\>"
#-----------------------------#
##match-types
#RFC 5228 (base spec)
icolor green "\s:(localpart|domain|all)\>"
#RFC 5231 (relational extension)
icolor green "\s:(count|value)\>"
#RFC 5233 (subaddress extension)
icolor green "\s:(user|detail)\>"
#RFC 5235 (spamtest and virustest extensions)
icolor green "\s:(percent)\>"
#RFC 5260 (date and index extensions)
icolor green "\s:(zone|originalzone|index|last)\>"
#RFC 6134 (extension for externally stored lists)
icolor green "\s:(list)\>"
#Draft IETF Sieve Regex 01 (regular expression extension)
icolor green "\s:(regex|quoteregex)\>"
#-----------------------------#
##variables
#RFC 5229" (variables extension)
color red "\$\{.*\}"
#-----------------------------#
##actions
#RFC 5228 (base spec)
icolor brightblue "\<(keep|fileinto|discard|reject|redirect)\>"
#RFC 5229 (variables extension)
icolor brightblue "\<(set)\>"
#RFC 5230 (vacation extension)
icolor brightblue "\<(vacation)\>"
#RFC 5232 (imap4flags extension)
icolor brightblue "\<(setflag|addflag|removeflag)\>"
#RFC 5293 (editheader extension)
icolor brightblue "\<(addheader|deleteheader)\>"
#RFC 5429 (reject and ereject extensions)
icolor brightblue "\<(reject|ereject)\>"
#RFC 5435 (extension for notifications)
icolor brightblue "\<(notify)\>"
#RFC 5703 (extensions for mime part tests, iteration, extraction, replacement, and enclosure)
icolor brightblue "\<(break|replace|enclose|extracttext)\>"
#RFC 6558 (extension for converting messages before delivery)
icolor brightblue "\<(convert)\>"
#RFC 6609 (include extension)
icolor brightblue "\<(return)\>"
#vnd.dovecot.debug (extension for logging debug messages)
icolor brightblue "\<(debug_log)\>"
#vnd.dovecot.execute (extension for external programs)
icolor brightblue "\<(pipe|filter|execute)\>"
#vnd.dovecot.report (extension for sending abuse feedback reports)
icolor brightblue "\<(report)\>"
#Draft Martin Sieve Notify 01 (extension for providing instant notifications) [deprecated]
icolor brightblue "\<(denotify)\>"
#Draft Melnikov Sieve IMAPFlags 04 (imap flag extension) [deprecated]
icolor brightblue "\<(mark|unmark)\>"
#-----------------------------#
##modifiers, parameters, etc.
#RFC 5228 (base spec)
icolor magenta "\s:(comparator)\>"
#RFC 3894 (extension for copying without side effects)
icolor magenta "\s:(copy)\>"
#RFC 5173 (body extension)
icolor magenta "\s:(raw|content|text)\>"
#RFC 5229 (variables extension)
icolor magenta "\s:(length|quotewildcard)\>"
icolor magenta "\s:(upper|lower|upperfirst|lowerfirst)\>"
#RFC 5230 (vacation extension)
icolor magenta "\s:(days|subject|from|addresses|handle)\>"
#RFC 5232 (imap4flags extension)
icolor magenta "\s:(flags)\>"
#RFC 5435 (extension for notifications)
icolor magenta "\s:(from|importance|options|message)\>"
#RFC 5490 (extensions for checking mailbox status and accessing mailbox metadata)
icolor magenta "\s:(create)\>"
#RFC 5703 (extensions for mime part tests, iteration, extraction, replacement, and enclosure)
icolor magenta "\s:(name|mime|anychild|type|subtype)\>"
icolor magenta "\s:(contenttype|param|headers|first)\>"
#RFC 6009 (dsn and deliver-by extensions)
icolor magenta "\s:(notify|ret|bymode|bytrace)\>"
icolor magenta "\s:(bytimerelative|bytimeabsolute)\>"
#RFC 6131 (vacation extension seconds parameter)
icolor magenta "\s:(seconds)\>"
#RFC 6609 (include extension)
icolor magenta "\s:(once|optional|personal|global)\>"
#RFC 7352 (extension for detecting duplicate deliveries)
icolor magenta "\s:(header|uniqueid)\>"
#RFC 8579 (extension for delivering to special-use mailboxes)
icolor magenta "\s:(specialuse)\>"
#RFC 8580 (extension for file carbon copy)
icolor magenta "\s:(fcc)\>"
#vnd.dovecot.execute (extension for external programs)
icolor magenta "\s:(try|pipe|input|output)\>"
#Draft Martin Sieve Notify 01 (extension for providing instant notifications) [deprecated]
icolor magenta "\s:(method|id|low|normal|high)\>"
#Draft Melnikov Sieve IMAPFlags 04 (imap flag extension) [deprecated]
icolor magenta "\s:(globalflags)(_plus|_minus)?\>"
#-----------------------------#
##number (incl. proceeding K, M, or G)
icolor brightmagenta "\<[0-9]+[KMG]?\>"
#-----------------------------#
##comment
color blue "\#.*"
#-----------------------------#
##string
color brightyellow start="\"" end="\""
color brightyellow start="\/\*" end="\*\/"
icolor brightyellow start="text\:.*" end="^.$"
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