mirror of
https://github.com/neovim/neovim.git
synced 2024-12-19 10:45:16 -07:00
b7e3003106
runtime(mail): fix vim/vim#13913 (vim/vim#13917)
switch to the DFA engine for the emoji collaction range
046a0f75d0
Co-authored-by: gi1242 <gi1242+github@gmail.com>
Co-authored-by: GI <gi1242+vim@gmail.com>
118 lines
6.0 KiB
VimL
118 lines
6.0 KiB
VimL
" Vim syntax file
|
|
" Language: Mail file
|
|
" Previous Maintainer: Felix von Leitner <leitner@math.fu-berlin.de>
|
|
" Maintainer: GI <a@b.c>, where a='gi1242+vim', b='gmail', c='com'
|
|
" Last Change: Thu 25 Jan 2024 10:34:02 AM EST
|
|
|
|
" Quit when a syntax file was already loaded
|
|
if exists("b:current_syntax")
|
|
finish
|
|
endif
|
|
|
|
let s:cpo_save = &cpo
|
|
set cpo&vim
|
|
|
|
syn spell toplevel
|
|
|
|
" The mail header is recognized starting with a "keyword:" line and ending
|
|
" with an empty line or other line that can't be in the header. All lines of
|
|
" the header are highlighted. Headers of quoted messages (quoted with >) are
|
|
" also highlighted.
|
|
|
|
" Syntax clusters
|
|
syn cluster mailHeaderFields contains=mailHeaderKey,mailSubject,mailHeaderEmail,@mailLinks
|
|
syn cluster mailLinks contains=mailURL,mailEmail
|
|
syn cluster mailQuoteExps contains=mailQuoteExp1,mailQuoteExp2,mailQuoteExp3,mailQuoteExp4,mailQuoteExp5,mailQuoteExp6
|
|
|
|
syn case match
|
|
" For "From " matching case is required. The "From " is not matched in quoted
|
|
" emails
|
|
" According to RFC 2822 any printable ASCII character can appear in a field
|
|
" name, except ':'.
|
|
syn region mailHeader contains=@mailHeaderFields,@NoSpell start="^From .*\d\d\d\d$" skip="^\s" end="\v^[!-9;-~]*([^!-~]|$)"me=s-1 fold
|
|
syn match mailHeaderKey contained contains=mailEmail,@NoSpell "^From\s.*\d\d\d\d$"
|
|
|
|
" Nothing else depends on case.
|
|
syn case ignore
|
|
|
|
" Headers in properly quoted (with "> " or ">") emails are matched
|
|
syn region mailHeader keepend contains=@mailHeaderFields,@mailQuoteExps,@NoSpell start="^\z(\(> \?\)*\)\v(newsgroups|x-([a-z\-])*|path|xref|message-id|from|((in-)?reply-)?to|b?cc|subject|return-path|received|date|replied):" skip="^\z1\s" end="\v^\z1[!-9;-~]*([^!-~]|$)"me=s-1 end="\v^\z1@!"me=s-1 end="\v^\z1(\> ?)+"me=s-1 fold
|
|
|
|
" Usenet headers
|
|
syn match mailHeaderKey contained contains=mailHeaderEmail,mailEmail,@NoSpell "\v(^(\> ?)*)@<=(Newsgroups|Followup-To|Message-ID|Supersedes|Control):.*$"
|
|
|
|
|
|
syn region mailHeaderKey contained contains=mailHeaderEmail,mailEmail,@mailQuoteExps,@NoSpell start="\v(^(\> ?)*)@<=(to|b?cc):" skip=",$" end="$"
|
|
syn match mailHeaderKey contained contains=mailHeaderEmail,mailEmail,@NoSpell "\v(^(\> ?)*)@<=(from|reply-to):.*$" fold
|
|
syn match mailHeaderKey contained contains=@NoSpell "\v(^(\> ?)*)@<=date:"
|
|
syn match mailSubject contained "\v^subject:.*$" fold
|
|
syn match mailSubject contained contains=@NoSpell "\v(^(\> ?)+)@<=subject:.*$"
|
|
|
|
" Anything in the header between < and > is an email address
|
|
syn match mailHeaderEmail contained contains=@NoSpell "<.\{-}>"
|
|
|
|
" Mail Signatures. (Begin with "-- ", end with change in quote level)
|
|
syn region mailSignature keepend contains=@mailLinks,@mailQuoteExps start="^--\s$" end="^$" end="^\(> \?\)\+"me=s-1 fold
|
|
syn region mailSignature keepend contains=@mailLinks,@mailQuoteExps,@NoSpell start="^\z(\(> \?\)\+\)--\s$" end="^\z1$" end="^\z1\@!"me=s-1 end="^\z1\(> \?\)\+"me=s-1 fold
|
|
|
|
" Treat verbatim Text special.
|
|
syn region mailVerbatim contains=@NoSpell keepend start="^#v+$" end="^#v-$" fold
|
|
syn region mailVerbatim contains=@mailQuoteExps,@NoSpell keepend start="^\z(\(> \?\)\+\)#v+$" end="\z1#v-$" fold
|
|
|
|
" URLs start with a known protocol or www,web,w3.
|
|
syn match mailURL contains=@NoSpell `\v<(((https?|ftp|gopher)://|(mailto|file|news):)[^' <>"]+|(www|web|w3)[a-z0-9_-]*\.[a-z0-9._-]+\.[^' <>"]+)[a-z0-9/]`
|
|
syn match mailEmail contains=@NoSpell "\v[_=a-z\./+0-9-]+\@[a-z0-9._-]+\a{2}"
|
|
|
|
" Don't spell emojis
|
|
syn match mailEmoji contains=@NoSpell "\%#=2\v[\U1f300-\U1f64f\U1f900-\U1f9ff]"
|
|
|
|
" Make sure quote markers in regions (header / signature) have correct color
|
|
syn match mailQuoteExp1 contained "\v^(\> ?)"
|
|
syn match mailQuoteExp2 contained "\v^(\> ?){2}"
|
|
syn match mailQuoteExp3 contained "\v^(\> ?){3}"
|
|
syn match mailQuoteExp4 contained "\v^(\> ?){4}"
|
|
syn match mailQuoteExp5 contained "\v^(\> ?){5}"
|
|
syn match mailQuoteExp6 contained "\v^(\> ?){6}"
|
|
|
|
" Even and odd quoted lines. Order is important here!
|
|
syn region mailQuoted6 keepend contains=mailVerbatim,mailHeader,@mailLinks,mailSignature,@NoSpell start="^\z(\(\([a-z]\+>\|[]|}>]\)[ \t]*\)\{5}\([a-z]\+>\|[]|}>]\)\)" end="^\z1\@!" fold
|
|
syn region mailQuoted5 keepend contains=mailQuoted6,mailVerbatim,mailHeader,@mailLinks,mailSignature,@NoSpell start="^\z(\(\([a-z]\+>\|[]|}>]\)[ \t]*\)\{4}\([a-z]\+>\|[]|}>]\)\)" end="^\z1\@!" fold
|
|
syn region mailQuoted4 keepend contains=mailQuoted5,mailQuoted6,mailVerbatim,mailHeader,@mailLinks,mailSignature,@NoSpell start="^\z(\(\([a-z]\+>\|[]|}>]\)[ \t]*\)\{3}\([a-z]\+>\|[]|}>]\)\)" end="^\z1\@!" fold
|
|
syn region mailQuoted3 keepend contains=mailQuoted4,mailQuoted5,mailQuoted6,mailVerbatim,mailHeader,@mailLinks,mailSignature,@NoSpell start="^\z(\(\([a-z]\+>\|[]|}>]\)[ \t]*\)\{2}\([a-z]\+>\|[]|}>]\)\)" end="^\z1\@!" fold
|
|
syn region mailQuoted2 keepend contains=mailQuoted3,mailQuoted4,mailQuoted5,mailQuoted6,mailVerbatim,mailHeader,@mailLinks,mailSignature,@NoSpell start="^\z(\(\([a-z]\+>\|[]|}>]\)[ \t]*\)\{1}\([a-z]\+>\|[]|}>]\)\)" end="^\z1\@!" fold
|
|
syn region mailQuoted1 keepend contains=mailQuoted2,mailQuoted3,mailQuoted4,mailQuoted5,mailQuoted6,mailVerbatim,mailHeader,@mailLinks,mailSignature,@NoSpell start="^\z([a-z]\+>\|[]|}>]\)" end="^\z1\@!" fold
|
|
|
|
" Need to sync on the header. Assume we can do that within 100 lines
|
|
if exists("mail_minlines")
|
|
exec "syn sync minlines=" . mail_minlines
|
|
else
|
|
syn sync minlines=100
|
|
endif
|
|
|
|
" Define the default highlighting.
|
|
hi def link mailVerbatim Special
|
|
hi def link mailHeader PreProc
|
|
hi def link mailHeaderKey Type
|
|
hi def link mailSignature Comment
|
|
hi def link mailHeaderEmail mailEmail
|
|
hi def link mailEmail String
|
|
hi def link mailURL Constant
|
|
hi def link mailSubject Statement
|
|
hi def link mailQuoted1 Function
|
|
hi def link mailQuoted3 mailQuoted1
|
|
hi def link mailQuoted5 mailQuoted1
|
|
hi def link mailQuoted2 Identifier
|
|
hi def link mailQuoted4 mailQuoted2
|
|
hi def link mailQuoted6 mailQuoted2
|
|
hi def link mailQuoteExp1 mailQuoted1
|
|
hi def link mailQuoteExp2 mailQuoted2
|
|
hi def link mailQuoteExp3 mailQuoted3
|
|
hi def link mailQuoteExp4 mailQuoted4
|
|
hi def link mailQuoteExp5 mailQuoted5
|
|
hi def link mailQuoteExp6 mailQuoted6
|
|
|
|
let b:current_syntax = "mail"
|
|
|
|
let &cpo = s:cpo_save
|
|
unlet s:cpo_save
|