## Syntax highlighting for nanorc files.

syntax nanorc "[/.]nanorc(\.in)?$"
comment "#"

# Everything that does not get recolored is invalid
color brightred ".*"

# Color names
color yellow "^[[:blank:]]*(i?color|set[[:blank:]]+(error|function|key|mini|number|prompt|scroller|selected|spotlight|status|stripe|title)color)[[:blank:]]+(bold,)?(italic,)?((bright|light)?(white|black|red|blue|green|yellow|magenta|cyan)|normal|pink|purple|mauve|lagoon|mint|lime|peach|orange|latte|rosy|beet|plum|sea|sky|slate|teal|sage|brown|ocher|sand|tawny|brick|crimson|grey|gray|#[[:xdigit:]]{3})?(,((light)?(white|black|red|blue|green|yellow|magenta|cyan)|normal|pink|purple|mauve|lagoon|mint|lime|peach|orange|latte|rosy|beet|plum|sea|sky|slate|teal|sage|brown|ocher|sand|tawny|brick|crimson|grey|gray|#[[:xdigit:]]{3}))?\>"

# The arguments of two special commands
color bold,purple "^[[:blank:]]*include[[:blank:]]+[^[:blank:]"]+"
color lime "^[[:blank:]]*extendsyntax[[:blank:]]+[[:alpha:]]+[[:blank:]]+(i?color|header|magic|comment|formatter|linter|tabgives)[[:blank:]]+.*"

# The arguments of commands
color brightgreen "^[[:blank:]]*(set|unset)[[:blank:]]+(afterends|allow_insecure_backup|atblanks|autoindent|backup|boldtext|bookstyle|breaklonglines|casesensitive|colonparsing|constantshow|cutfromcursor|emptyline|historylog|indicator|jumpyscrolling|linenumbers|locking|magic|minibar|mouse|multibuffer|noconvert|nohelp|nonewlines|positionlog|preserve|quickblank|rawsequences|rebinddelete|regexp|saveonexit|showcursor|smarthome|softwrap|solosidescroll|stateflags|tabstospaces|trimblanks|unix|whitespacedisplay|wordbounds|zap|zero)\>"
color brightgreen "^[[:blank:]]*set[[:blank:]]+(backupdir|brackets|errorcolor|functioncolor|keycolor|matchbrackets|minicolor|numbercolor|operatingdir|promptcolor|punct|quotestr|scrollercolor|selectedcolor|speller|spotlightcolor|statuscolor|stripecolor|titlecolor|whitespace|wordchars)[[:blank:]]+"
color brightgreen "^[[:blank:]]*set[[:blank:]]+(fill[[:blank:]]+-?[[:digit:]]+|(guidestripe|tabsize)[[:blank:]]+[1-9][0-9]*)\>"
color brightgreen "^[[:blank:]]*bind[[:blank:]]+((\^([[:alpha:]]|[]/@\^_`-]|Space)|([Ss][Hh]-)?[Mm]-[[:alpha:]]|[Mm]-([][!"#$%&'()*+,./0-9:;<=>?@\^_`{|}~-]|Space))|F([1-9]|1[0-9]|2[0-4])|Ins|Del)[[:blank:]]+([[:lower:]]+|".*")[[:blank:]]+(main|help|search|replace(with)?|yesno|gotoline|writeout|insert|execute|browser|whereisfile|gotodir|spell|linter|all)\>"
color brightgreen "^[[:blank:]]*unbind[[:blank:]]+((\^([[:alpha:]]|[]/@\^_`-]|Space)|([Ss][Hh]-)?[Mm]-[[:alpha:]]|[Mm]-([][!"#$%&'()*+,./0-9:;<=>?@\^_`{|}~-]|Space))|F([1-9]|1[0-9]|2[0-4])|Ins|Del)[[:blank:]]+(main|help|search|replace(with)?|yesno|gotoline|writeout|insert|execute|browser|whereisfile|gotodir|spell|linter|all)\>"
color brightgreen "^[[:blank:]]*extendsyntax[[:blank:]]+[[:alpha:]]+[[:blank:]]+"
color brightgreen "^[[:blank:]]*(syntax[[:blank:]]+[^[:space:]]+|(formatter|linter)[[:blank:]]+.+)"

# Strings
color brightmagenta "[[:blank:]](start=)?".+""

# Function names in string binds
color crimson "\{(help|cancel|exit|savefile|writeout|discardbuffer|insert|where(is|was)|find(previous|next|bracket)|replace)\}"
color crimson "\{(cut|copy|paste|zap|chopword(left|right)|cutrestoffile|execute|mark|speller|linter|formatter|(full)?justify)\}"
color crimson "\{(location|gotoline|(begin|end)para|comment|complete|(un)?indent|wordcount|(record|run)macro|anchor|undo|redo)\}"
color crimson "\{(left|right|up|down|home|end|(scroll|page)(up|down)|(top|bottom)row|center|cycle|(prev|next)(word|block|anchor|buf))\}"
color crimson "\{(tab|enter|delete|backspace|verbatim|refresh|suspend|casesens|regexp|backwards|older|newer|(dos|mac)format)\}"
color crimson "\{(append|prepend|backup|flip(goto|replace|execute|pipe|convert|newbuffer)|browser|gotodir|(first|last)(file|line))\}"
color crimson "\{(nohelp|constantshow|softwrap|linenumbers|whitespacedisplay|nosyntax|zero)\}"
color crimson "\{(smarthome|autoindent|cutfromcursor|breaklonglines|tabstospaces|mouse|\{|\})\}"

# Commands
color green "^[[:blank:]]*((un)?(bind|set)|include|syntax|header|magic|comment|formatter|linter|tabgives|extendsyntax)\>"
color magenta "^[[:blank:]]*i?color\>|[[:blank:]](start=|end=)"

# Control codes
color bold,pink "[[:cntrl:]]"

# Comments
color brightblue "^[[:blank:]]*#.*|[[:blank:]]#.{0,2}[^[:xdigit:]].*"
color cyan "^[[:blank:]]*##.*"

# Trailing whitespace
color ,green "[[:space:]]+$"
