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tcomment.vim
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tcomment.vim
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" @Author: Tom Link (mailto:micathom AT gmail com?subject=[vim])
" @Website: http://www.vim.org/account/profile.php?user_id=4037
" @License: GPL (see http://www.gnu.org/licenses/gpl.txt)
" @Created: 2007-09-17.
" @Last Change: 2018-09-26.
" @Revision: 2022
scriptencoding utf-8
if exists(':Tlibtrace') != 2
" :nodoc:
command! -nargs=+ -bang Tlibtrace :
endif
if !exists('g:tcomment#blank_lines')
" If 1, comment blank lines too.
" If 2, also comment blank lines within indented code blocks
" (requires mixedindent -- see |tcomment#Comment()|).
let g:tcomment#blank_lines = 2 "{{{2
endif
if !exists('g:tcomment#rstrip_on_uncomment')
" If 1, remove right-hand whitespace on uncomment from empty lines.
" If 2, remove right-hand whitespace on uncomment from all lines.
let g:tcomment#rstrip_on_uncomment = 1 "{{{2
endif
if !exists('g:tcomment#mode_extra')
" Modifies how commenting works.
" > ... Move the cursor to the end of the comment
" >> ... Like above but move the cursor to the beginning of the next line
" >| ... Like above but move the cursor to the next line
" # ... Move the cursor to the position of the commented text
" (NOTE: this only works when creating empty comments using
" |:TCommentInline| from normal or insert mode and should
" not be set here as a global option.)
let g:tcomment#mode_extra = '' "{{{2
endif
if !exists('g:tcomment#options')
" Other key-value options used by |tcomment#Comment()|.
" If the buffer-local variable b:tcomment_options exists, it will be
" used in addition.
"
" Examples:
" Put the opening comment marker always in the first column
" regardless of the block's indentation, put this into your |vimrc|
" file: >
" let g:tcomment#options = {'col': 1}
"
" Indent uncommented lines: >
" let g:tcomment#options = {'postprocess_uncomment': 'norm! %sgg=%sgg'}
let g:tcomment#options = {} "{{{2
endif
if !exists('g:tcomment#options_comments')
" Additional args for |tcomment#Comment()| when using the 'comments'
" option.
let g:tcomment#options_comments = {'whitespace': get(g:tcomment#options, 'whitespace', 'both')} "{{{2
endif
if !exists('g:tcomment#options_commentstring')
" Additional args for |tcomment#Comment()| when using the
" 'commentstring' option.
let g:tcomment#options_commentstring = {'whitespace': get(g:tcomment#options, 'whitespace', 'both')} "{{{2
endif
if !exists('g:tcomment#ignore_char_type')
" |text-objects| for use with |tcomment#operator#Op| can have different
" types: line, block, char etc. Text objects like aB, it, at etc.
" have type char but this may not work reliably. By default,
" tcomment handles those text objects most often as if they were of
" type line. Set this variable to 0 in order to change this
" behaviour. Be prepared that the result may not always match your
" intentions.
let g:tcomment#ignore_char_type = 1 "{{{2
endif
if !exists('g:tcomment#replacements_c')
" Replacements for c filetype.
" :read: let g:tcomment#replacements_c = {...} "{{{2
let g:tcomment#replacements_c = {
\ '/*': {'guard_rx': '^\s*/\?\*', 'subst': '#<{(|'},
\ '*/': {'guard_rx': '^\s*/\?\*', 'subst': '|)}>#'},
\ }
endif
if !exists('g:tcomment#commentstring_c')
let g:tcomment#commentstring_c = '/* %s */' "{{{2
endif
if !exists('g:tcomment#line_fmt_c')
" Generic c-like block comments.
let g:tcomment#line_fmt_c = {
\ 'commentstring_rx': '\%%(// %s\|/* %s */\)',
\ 'commentstring': g:tcomment#commentstring_c,
\ 'rxbeg': '\*\+',
\ 'rxend': '',
\ 'rxmid': '',
\ 'replacements': g:tcomment#replacements_c
\ }
endif
function! tcomment#GetLineC(...) abort
let cmt = deepcopy(g:tcomment#line_fmt_c)
if a:0 >= 1
let cmt.commentstring = a:1
endif
if a:0 >= 2
let cmt = extend(cmt, a:2)
endif
return cmt
endf
if !exists('g:tcomment#inline_fmt_c')
" Generic c-like comments.
" :read: let g:tcomment#inline_fmt_c = {...} "{{{2
let g:tcomment#inline_fmt_c = tcomment#GetLineC()
endif
if !exists('g:tcomment#block_fmt_c')
let g:tcomment#block_fmt_c = {
\ 'commentstring': '/*%s */',
\ 'middle': ' * ',
\ 'rxbeg': '\*\+',
\ 'rxend': '',
\ 'rxmid': '',
\ 'replacements': g:tcomment#replacements_c
\ }
endif
if !exists('g:tcomment#block2_fmt_c')
" Generic c-like block comments (alternative markup).
" :read: let g:tcomment#block2_fmt_c = {...} "{{{2
let g:tcomment#block2_fmt_c = {
\ 'commentstring': '/**%s */',
\ 'middle': ' * ',
\ 'rxbeg': '\*\+',
\ 'rxend': '\*\+',
\ 'rxmid': '\*\+',
\ 'replacements': g:tcomment#replacements_c
\ }
endif
if !exists('g:tcomment#replacements_xml')
" Replacements for xml filetype.
" :read: let g:tcomment#replacements_xml = {...} "{{{2
let g:tcomment#replacements_xml = {
\ '-': '-',
\ '&': '&',
\ }
endif
if !exists('g:tcomment#block_fmt_xml')
" Generic xml-like block comments.
" :read: let g:tcomment#block_fmt_xml = {...} "{{{2
let g:tcomment#block_fmt_xml = {
\ 'commentstring': "<!--%s-->\n ",
\ 'replacements': g:tcomment#replacements_xml
\ }
endif
if !exists('g:tcomment#inline_fmt_xml')
" Generic xml-like comments.
" :read: let g:tcomment#inline_fmt_xml = {...} "{{{2
let g:tcomment#inline_fmt_xml = {
\ 'commentstring': "<!-- %s -->",
\ 'replacements': g:tcomment#replacements_xml
\ }
endif
if !exists('g:tcomment#ignore_comment_def')
" A list of names or filetypes, which should be ignored by
" |tcomment#DefineType()| -- no custom comment definition will be
" stored for these names.
"
" This variable should be set before loading autoload/tcomment.vim.
let g:tcomment#ignore_comment_def = [] "{{{2
endif
if !exists('g:tcomment#must_escape_expression_backslash')
" Users of vim earlier than 7.3 might have to set this variable to
" true. Set this variable to 0, if you see unexpected "\r" char
" sequences in comments.
"
" The recommended value was `!(v:version > 702 || (v:version == 702 && has('patch407')))`.
" It is now assumed though, that no unpatched versions of vim are in
" use.
"
" References:
" Patch 7.2.407 when using :s with an expression backslashes are dropped
" https://github.com/tomtom/tcomment_vim/issues/102
let g:tcomment#must_escape_expression_backslash = 0 "{{{2
endif
function! tcomment#DefineType(...) abort
echom 'tcomment: tcomment#DefineType() is deprecated; please use tcomment#type#Define() instead'
return call('tcomment#type#Define', a:000)
endf
call tcomment#type#Collect()
" A function that makes the tcomment#filetype#Guess() function usable for other
" library developers.
"
" The argument is a dictionary with the following keys:
"
" beg ................ (default = line("."))
" end ................ (default = line("."))
" comment_mode ........ (default = "G")
" filetype ........... (default = &filetype)
" fallbackFiletype ... (default = "")
"
" This function return a dictionary that contains information about how
" to make comments. The information about the filetype of the text
" between lines "beg" and "end" is in the "filetype" key of the return
" value. It returns the first discernible filetype it encounters.
" :display: tcomment#GuessFileType(?options={})
function! tcomment#GuessCommentType(...) abort "{{{3
let options = a:0 >= 1 ? a:1 : {}
let beg = get(options, 'beg', line('.'))
let end = get(options, 'end', line('.'))
let comment_mode = get(options, 'comment_mode', '')
let filetype = get(options, 'filetype', &filetype)
let fallbackFiletype = get(options, 'filetype', '')
return tcomment#filetype#Guess(beg, end,
\ comment_mode, filetype, fallbackFiletype)
endf
" tcomment#Comment(line1, line2, ?comment_mode, ?comment_anyway, ?args...)
" args... are either:
" 1. a list of key=value pairs where known keys are (see also
" |g:tcomment#options|):
" as=STRING ... Use a specific comment definition
" count=N ... Repeat the comment string N times
" col=N ... Start the comment at column N (in block
" mode; must be smaller than |indent()|)
" mode=STRING ... See the notes below on the "comment_mode" argument
" mode_extra=STRING ... Add to comment_mode
" begin=STRING ... Comment prefix
" end=STRING ... Comment postfix
" middle=STRING ... Middle line comments in block mode
" rxbeg=N ... Regexp to find the substring of "begin"
" that should be multiplied by "count"
" rxend=N ... The above for "end"
" rxmid=N ... The above for "middle"
" mixedindent=BOOL ... If true, allow use of mixed
" characters for indentation
" commentstring_rx ... A regexp format string that matches
" commented lines (no new groups may be
" introduced, the |regexp| is |\V|; % have
" to be doubled); "commentstring", "begin"
" and optionally "end" must be defined or
" deducible.
" whitespace ... Define whether commented text is
" surrounded with whitespace; if
" both ... surround with whitespace (default)
" left ... keep whitespace on the left
" right... keep whitespace on the right
" no ... don't use whitespace
" strip_whitespace ... Strip trailing whitespace: if 1
" (default), strip from empty lines only,
" if 2, always strip whitespace; if 0,
" don't strip any whitespace
" postprocess_uncomment .. Run a |printf()| expression with 2
" placeholders on uncommented lines, e.g.
" 'norm! %sgg=%sgg'.
" 2. 1-2 values for: ?commentPrefix, ?commentPostfix
" 3. a dictionary (internal use only)
"
" comment_mode (see also ¦g:tcomment#mode_extra¦):
" G ... guess the value of comment_mode
" B ... block (use extra lines for the comment markers)
" L ... lines
" i ... maybe inline, guess
" I ... inline
" R ... right (comment the line right of the cursor)
" v ... visual
" o ... operator
" C ... force comment
" K ... comment only uncommented lines
" U ... force uncomment (if U and C are present, U wins)
" By default, each line in range will be commented by adding the comment
" prefix and postfix.
function! tcomment#Comment(beg, end, ...) abort
let comment_mode0 = tcomment#commentmode#AddExtra((a:0 >= 1 ? a:1 : 'G'), g:tcomment#mode_extra, a:beg, a:end)
let comment_mode = comment_mode0
let comment_anyway = a:0 >= 2 ? (a:2 ==# '!') : 0
Tlibtrace 'tcomment', a:beg, a:end, comment_mode, comment_anyway, a:000
" save the cursor position
if exists('w:tcomment_pos')
let s:current_pos = copy(w:tcomment_pos)
else
let s:current_pos = getpos('.')
endif
let cursor_pos = getpos("'>")
Tlibtrace 'tcomment', cursor_pos
let s:cursor_pos = []
if comment_mode =~# 'i'
let blnum = line("'<")
if blnum == line("'>")
if virtcol('.') <= indent(blnum)
let i_mode = 'G'
else
let i_mode = 'I'
endif
else
let i_mode = 'G'
endif
let comment_mode = substitute(comment_mode, '\Ci', i_mode, 'g')
Tlibtrace 'tcomment', 1, comment_mode
endif
let [lbeg, cbeg, lend, cend] = tcomment#cursor#GetStartEnd(a:beg, a:end, comment_mode)
Tlibtrace 'tcomment', lbeg, cbeg, lend, cend, virtcol('$')
if comment_mode ==? 'I' && comment_mode0 =~# 'i' && lbeg == lend && cend >= virtcol('$') - 1
let comment_mode = substitute(comment_mode, '\CI', cbeg <= 1 ? 'G' : 'R', 'g')
Tlibtrace 'tcomment', comment_mode
endif
let mode_extra = s:GetTempOption('mode_extra', '')
Tlibtrace 'tcomment', mode_extra
if !empty(mode_extra)
let comment_mode = tcomment#commentmode#AddExtra(comment_mode, mode_extra, lbeg, lend)
Tlibtrace 'tcomment', "mode_extra", comment_mode
unlet s:temp_options.mode_extra
endif
" get the correct commentstring
let cdef = copy(g:tcomment#options)
Tlibtrace 'tcomment', 1, cdef
if exists('b:tcomment_options')
let cdef = extend(cdef, copy(b:tcomment_options))
Tlibtrace 'tcomment', 2, cdef
endif
if a:0 >= 3 && type(a:3) == 4
call extend(cdef, a:3)
Tlibtrace 'tcomment', 3, cdef
else
let cdef0 = tcomment#commentdef#Get(lbeg, lend, comment_mode)
Tlibtrace 'tcomment', 4.1, cdef, cdef0
call extend(cdef, cdef0)
Tlibtrace 'tcomment', 4.2, cdef
let ax = 3
if a:0 >= 3 && !empty(a:3) && stridx(a:3, '=') == -1
let ax = 4
let cdef.begin = a:3
if a:0 >= 4 && !empty(a:4) && stridx(a:4, '=') == -1
let ax = 5
let cdef.end = a:4
endif
endif
Tlibtrace 'tcomment', ax, a:0, a:000
if a:0 >= ax
let cdef = tcomment#commentdef#Extend(lbeg, lend, comment_mode, cdef, s:ParseArgs(lbeg, lend, comment_mode, a:000[ax - 1 : -1]))
Tlibtrace 'tcomment', 5, cdef
endif
if !empty(get(cdef, 'begin', '')) || !empty(get(cdef, 'end', ''))
let cdef.commentstring = tcomment#format#EncodeCommentPart(get(cdef, 'begin', ''))
\ . '%s'
\ . tcomment#format#EncodeCommentPart(get(cdef, 'end', ''))
endif
let comment_mode = cdef.mode
Tlibtrace 'tcomment', 2, comment_mode
endif
if empty(comment_mode)
echohl WarningMsg
echom 'TComment: Comment mode is not supported for the current filetype:' string(comment_mode)
echohl NONE
return
endif
if exists('s:temp_options')
let cdef = tcomment#commentdef#Extend(lbeg, lend, comment_mode, cdef, s:temp_options)
Tlibtrace 'tcomment', 6, cdef
unlet s:temp_options
endif
Tlibtrace 'tcomment', 7, cdef
if has_key(cdef, 'whitespace')
call tcomment#commentdef#SetWhitespaceMode(cdef)
endif
if !empty(filter(['count', 'cbeg', 'cend', 'cmid'], 'has_key(cdef, v:val)'))
call tcomment#commentdef#RepeatCommentstring(cdef)
endif
let [is_rx, cms0] = tcomment#commentdef#GetBlockCommentRx(cdef)
Tlibtrace 'tcomment', cms0
"" make whitespace optional; this conflicts with comments that require some
"" whitespace
let cmsrx = is_rx ? cms0 : escape(cms0, '\')
let cmt_check = substitute(cmsrx, '\([ ]\)', '\1\\?', 'g')
"" turn commentstring into a search pattern
Tlibtrace 'tcomment', cmt_check
let cmt_check = tcomment#format#Printf1(cmt_check, '\(\_.\{-}\)')
Tlibtrace 'tcomment', cdef, cmt_check
let s:cdef = cdef
" set comment_mode
Tlibtrace 'tcomment', comment_mode
let [lbeg, lend, uncomment] = s:GetCommentGeometry(cdef, lbeg, lend, cmt_check, comment_mode, cbeg, cend)
Tlibtrace 'tcomment', lbeg, lend, cbeg, cend, uncomment, comment_mode, comment_anyway
if uncomment
if comment_mode =~# 'C' || comment_anyway
let comment_do = 'c'
else
let comment_do = 'u'
endif
else
if comment_mode =~# 'U'
let comment_do = 'u'
elseif comment_mode =~# 'K'
let comment_do = 'k'
else
let comment_do = 'c'
endif
endif
Tlibtrace 'tcomment', comment_anyway, comment_mode, mode_extra, comment_do
if comment_do ==# 'c' && comment_mode !~# 'I'
let cbeg = get(s:cdef, 'col', cbeg)
endif
Tlibtrace 'tcomment', cbeg
" go
Tlibtrace 'tcomment', comment_mode
if comment_mode =~# 'B'
" We want a comment block
call s:CommentBlock(lbeg, lend, cbeg, cend, comment_mode, comment_do, cmt_check, s:cdef)
else
" We want commented lines
" final search pattern for uncommenting
let cmt_check = '\V\^\(\s\{-}\)'. cmt_check .'\$'
" final pattern for commenting
let cmt_replace = tcomment#commentdef#GetCommentReplace(s:cdef, cms0)
Tlibtrace 'tcomment', cmt_replace
Tlibtrace 'tcomment', comment_mode, lbeg, cbeg, lend, cend
let s:processline_lnum = lbeg
let end_rx = tcomment#regex#EndPosRx(comment_mode, lend, cend)
let postfix_rx = end_rx ==# '\$' ? '' : '\.\*\$'
let prefix_rx = '\^\.\{-}' . tcomment#regex#StartPosRx(s:cdef, comment_mode, lbeg, cbeg)
let comment_rx = '\V'
\ . '\('. prefix_rx . '\)'
\ .'\('
\ .'\(\_.\{-}\)'
\ . end_rx
\ .'\)'
\ .'\(' . postfix_rx . '\)'
Tlibtrace 'tcomment', comment_rx, prefix_rx, end_rx, postfix_rx
for lnum in range(lbeg, lend)
let line0 = getline(lnum)
Tlibtrace 'tcomment', line0
let lmatch = matchlist(line0, comment_rx)
Tlibtrace 'tcomment', lmatch
if empty(lmatch) && g:tcomment#blank_lines >= 2
let lline0 = tcomment#compatibility#Strdisplaywidth(line0)
Tlibtrace 'tcomment', lline0, cbeg
if lline0 < cbeg
let line0 = line0 . repeat(' ', cbeg - lline0)
let lmatch = [line0, line0, '', '', '']
Tlibtrace 'tcomment', 'padded', line0, lmatch
endif
endif
if !empty(lmatch)
let [part1, ok] = s:ProcessLine(comment_do, lmatch[2], cmt_check, cmt_replace)
Tlibtrace 'tcomment', part1, ok
if ok
let line1 = lmatch[1] . part1 . lmatch[4]
if comment_do ==# 'u'
if g:tcomment#rstrip_on_uncomment > 0
if g:tcomment#rstrip_on_uncomment == 2 || line1 !~# '\S'
let line1 = substitute(line1, '\s\+$', '', '')
endif
endif
endif
Tlibtrace 'tcomment', line1
if line1 !=# getline(lnum)
" Only set the line if it is different, to not
" add an empty undo step.
" Ref: https://github.com/vim/vim/issues/2700
call setline(lnum, line1)
endif
endif
endif
endfor
if comment_do ==# 'u'
let postprocess_uncomment = get(cdef, 'postprocess_uncomment', '')
if !empty(postprocess_uncomment)
exec printf(postprocess_uncomment, lbeg, lend)
endif
endif
endif
" reposition cursor
Tlibtrace 'tcomment', 3, comment_mode
if !empty(s:cursor_pos)
let cursor_pos = s:cursor_pos
endif
if comment_mode =~# '>'
call tcomment#cursor#SetPos('.', cursor_pos)
if comment_mode !~? 'i'
if comment_mode =~# '>>'
norm! j^
elseif comment_mode =~# '>|'
norm! j
endif
endif
elseif comment_mode =~# '#'
call tcomment#cursor#SetPos('.', cursor_pos)
if exists('w:tcomment_pos')
let w:tcomment_pos = cursor_pos
endif
else
call tcomment#cursor#SetPos('.', s:current_pos)
endif
unlet! s:cursor_pos s:current_pos s:cdef
endf
" :display: tcomment#CommentAs(beg, end, comment_anyway, filetype, ?args...)
" Where args is either:
" 1. A count NUMBER
" 2. An args list (see the notes on the "args" argument of
" |tcomment#Comment()|)
" comment text as if it were of a specific filetype
function! tcomment#CommentAs(beg, end, comment_anyway, filetype, ...) abort
if a:filetype =~# '_block$'
let comment_mode = 'B'
let ft = substitute(a:filetype, '_block$', '', '')
elseif a:filetype =~# '_inline$'
let comment_mode = 'I'
let ft = substitute(a:filetype, '_inline$', '', '')
else
let comment_mode = 'G'
let ft = a:filetype
endif
if a:0 >= 1
if type(a:1) == 0
let cdef = {'count': a:0 >= 1 ? a:1 : 1}
else
let cdef = s:ParseArgs(a:beg, a:end, comment_mode, a:000)
endif
else
let cdef = {}
endif
call extend(cdef, tcomment#commentdef#GetForType(a:beg, a:end, comment_mode, ft))
keepjumps call tcomment#Comment(a:beg, a:end, comment_mode, a:comment_anyway, cdef)
endf
function! tcomment#MaybeReuseOptions(name) abort "{{{3
if exists('s:options_cache') && get(s:options_cache, 'name', '') == a:name
if exists('s:temp_options')
let s:temp_options = extend(deepcopy(s:options_cache.options), s:temp_options)
let s:options_cache = {'name': a:name, 'options': s:temp_options}
else
let s:temp_options = deepcopy(s:options_cache.options)
endif
elseif exists('s:temp_options')
let s:options_cache = {'name': a:name, 'options': s:temp_options}
endif
endf
function! tcomment#ResetOption() abort "{{{3
unlet! s:temp_options s:options_cache
endf
function! tcomment#SetOption(name, arg) abort "{{{3
Tlibtrace 'tcomment', a:name, a:arg
if !exists('s:temp_options')
let s:temp_options = {}
endif
if empty(a:arg)
if has_key(s:temp_options, a:name)
call remove(s:temp_options, a:name)
endif
else
let s:temp_options[a:name] = a:arg
endif
endf
function! s:GetTempOption(name, default) abort "{{{3
if exists('s:temp_options') && has_key(s:temp_options, a:name)
return s:temp_options[a:name]
else
return a:default
endif
endf
function! s:ParseArgs(beg, end, comment_mode, arglist) abort "{{{3
let args = {}
for arg in a:arglist
let key = matchstr(arg, '^[^=]\+')
let value = matchstr(arg, '=\zs.*$')
if !empty(key)
let args[key] = value
endif
endfor
return tcomment#commentdef#Extend(a:beg, a:end, a:comment_mode, {}, args)
endf
function! s:GetCommentGeometry(cdef, beg, end, checkRx, comment_mode, cbeg, cend) abort
Tlibtrace 'tcomment', a:beg, a:end, a:checkRx, a:comment_mode, a:cbeg, a:cend
let beg = a:beg
let end = a:end
if a:comment_mode =~# 'U'
let uncomment = 1
elseif a:comment_mode =~# '[CK]'
let uncomment = 0
else
if get(a:cdef, 'mixedindent', 1)
let mdrx = '\V'. tcomment#regex#StartColRx(a:cdef, a:comment_mode, a:cbeg) .'\s\*'
let cbeg1 = a:comment_mode =~? 'i' ? a:cbeg : a:cbeg + 1
let mdrx .= tcomment#regex#StartColRx(a:cdef, a:comment_mode, cbeg1, 0) .'\s\*'
else
let mdrx = '\V'. tcomment#regex#StartColRx(a:cdef, a:comment_mode, a:cbeg) .'\s\*'
endif
let mdrx .= a:checkRx .'\s\*'. tcomment#regex#EndColRx(a:comment_mode, a:end, 0)
Tlibtrace 'tcomment', mdrx
let line = getline(beg)
if a:cbeg != 0 && a:cend != 0
let line = strpart(line, 0, a:cend - 1)
endif
let uncomment = (line =~ mdrx)
Tlibtrace 'tcomment', 1, uncomment, line
let n = beg + 1
if a:comment_mode =~# 'G'
if uncomment
while n <= end
if getline(n) =~# '\S'
if !(getline(n) =~ mdrx)
let uncomment = 0
Tlibtrace 'tcomment', 2, uncomment
break
endif
endif
let n = n + 1
endwh
endif
elseif a:comment_mode =~# 'B'
let t = @t
try
silent exec 'norm! '. beg.'G1|v'.end.'G$"ty'
if &selection ==# 'inclusive' && @t =~# '\n$' && len(@t) > 1
let @t = @t[0 : -2]
endif
Tlibtrace 'tcomment', @t, mdrx
let uncomment = (@t =~ mdrx)
Tlibtrace 'tcomment', 3, uncomment
if !uncomment && a:comment_mode =~? 'o'
let mdrx1 = substitute(mdrx, '\\$$', '\\n\\$', '')
Tlibtrace 'tcomment', mdrx1
if @t =~ mdrx1
let uncomment = 1
Tlibtrace 'tcomment', 4, uncomment
endif
endif
finally
let @t = t
endtry
endif
endif
Tlibtrace 'tcomment', 5, beg, end, uncomment
return [beg, end, uncomment]
endf
function! s:ProcessLine(comment_do, match, checkRx, replace) abort
Tlibtrace 'tcomment', a:comment_do, a:match, a:checkRx, a:replace
try
if !(g:tcomment#blank_lines > 0 || a:match =~# '\S')
return [a:match, 0]
endif
if a:comment_do ==# 'k'
if a:match =~ a:checkRx
return ['', 0]
endif
endif
if a:comment_do ==# 'u'
let m = matchlist(a:match, a:checkRx)
if !empty(m)
for irx in range(2, tcomment#regex#Count(a:checkRx, '\\\@<!\\('))
if !empty(m[irx])
break
endif
endfor
Tlibtrace 'tcomment', irx
else
let irx = 2
endif
let rv = substitute(a:match, a:checkRx, '\1\'. irx, '')
let rv = s:UnreplaceInLine(rv, a:match)
else
let ml = len(a:match)
let rv = s:ReplaceInLine(a:match, a:match)
let rv = tcomment#format#Printf1(a:replace, rv)
let strip_whitespace = get(s:cdef, 'strip_whitespace', 1)
if strip_whitespace == 2 || (strip_whitespace == 1 && ml == 0)
let rv = substitute(rv, '\s\+$', '', '')
endif
endif
Tlibtrace 'tcomment', rv
if s:cdef.mode =~# '>'
let s:cursor_pos = getpos('.')
let s:cursor_pos[2] += len(rv)
elseif s:cdef.mode =~# '#'
if empty(s:cursor_pos) || s:current_pos[1] == s:processline_lnum
let prefix = matchstr(a:replace, '^.*%\@<!\ze%s')
let prefix = substitute(prefix, '%\(.\)', '\1', 'g')
let prefix_len = tcomment#compatibility#Strdisplaywidth(prefix)
Tlibtrace 'tcomment', a:replace, prefix_len
if prefix_len != -1
let s:cursor_pos = copy(s:current_pos)
if a:comment_do ==# 'u'
let s:cursor_pos[2] -= prefix_len
if s:cursor_pos[2] < 1
let s:cursor_pos[2] = 1
endif
else
let s:cursor_pos[2] += prefix_len
endif
endif
endif
endif
Tlibtrace 'tcomment', rv
if g:tcomment#must_escape_expression_backslash
let rv = escape(rv, "\\r")
else
let rv = escape(rv, "\r")
endif
Tlibtrace 'tcomment', rv
return [rv, 1]
finally
let s:processline_lnum += 1
endtry
endf
function! s:GetReplacements(cdef, text) abort "{{{3
let replacements = {}
for [rx, sdef] in items(s:cdef.replacements)
if type(sdef) == 1
let replacements[rx] = sdef
elseif type(sdef) == 4
if a:text =~# sdef.guard_rx
let replacements[rx] = sdef.subst
endif
else
throw 'tcomment: Malformed substitute in GetReplacements(): '. rx .' => '. string(sdef)
endif
endfor
return replacements
endf
function! s:ReplaceInLine(text, match) abort "{{{3
if has_key(s:cdef, 'replacements')
let replacements = s:GetReplacements(s:cdef, s:cdef.commentstring)
return s:DoReplacements(a:text, keys(replacements), values(replacements))
else
return a:text
endif
endf
function! s:UnreplaceInLine(text, match) abort "{{{3
if has_key(s:cdef, 'replacements')
let replacements = s:GetReplacements(s:cdef, a:match)
return s:DoReplacements(a:text, values(replacements), keys(replacements))
else
return a:text
endif
endf
function! s:DoReplacements(text, tokens, replacements) abort "{{{3
if empty(a:tokens)
return a:text
else
let rx = '\V\('. join(map(a:tokens, 'escape(v:val, ''\'')'), '\|') .'\)'
let texts = split(a:text, rx .'\zs', 1)
let texts = map(texts, 's:InlineReplacement(v:val, rx, a:tokens, a:replacements)')
let text = join(texts, '')
return text
endif
endf
function! s:InlineReplacement(text, rx, tokens, replacements) abort "{{{3
Tlibtrace 'tcomment', a:text, a:rx, a:replacements
let matches = split(a:text, '\ze'. a:rx .'\$', 1)
if len(matches) == 1
return a:text
else
let match = matches[-1]
let idx = index(a:tokens, match)
Tlibtrace 'tcomment', matches, match, idx
if idx != -1
let matches[-1] = a:replacements[idx]
Tlibtrace 'tcomment', matches
return join(matches, '')
else
throw 'TComment: Internal error: cannot find '. string(match) .' in '. string(a:tokens)
endif
endif
endf
function! s:CommentBlock(beg, end, cbeg, cend, comment_mode, comment_do, checkRx, cdef) abort
Tlibtrace 'tcomment', a:beg, a:end, a:cbeg, a:cend, a:comment_do, a:checkRx, a:cdef
let indentStr = repeat(' ', a:cbeg)
let t = @t
let sel_save = &selection
set selection=exclusive
try
silent exec 'norm! '. a:beg.'G1|v'.a:end.'G$"td'
Tlibtrace 'tcomment', @t
let ms = tcomment#commentdef#BlockGetMiddleString(a:cdef)
let mx = escape(ms, '\')
let cs = tcomment#commentdef#BlockGetCommentString(a:cdef)
let prefix = substitute(matchstr(cs, '^.*%\@<!\ze%s'), '%\(.\)', '\1', 'g')
let postfix = substitute(matchstr(cs, '%\@<!%s\zs.*$'), '%\(.\)', '\1', 'g')
Tlibtrace 'tcomment', ms, mx, cs, prefix, postfix
if a:comment_do ==? 'u'
let @t = substitute(@t, '\V\^\s\*'. a:checkRx .'\$', '\1', '')
Tlibtrace 'tcomment', 0, @t
let tt = []
" TODO: Correctly handle foreign comments with inconsistent
" whitespace around mx markers
let mx1 = substitute(mx, ' $', '\\( \\?\\$\\| \\)', '')
Tlibtrace 'tcomment', mx1
let rx = '\V'. tcomment#regex#StartColRx(a:cdef, a:comment_mode, a:cbeg) . '\zs'. mx1
Tlibtrace 'tcomment', rx
for line in split(@t, '\n')
let line1 = substitute(line, rx, '', '')
Tlibtrace 'tcomment', line, line1
let line1 = s:UnreplaceInLine(line1, line)
call add(tt, line1)
endfor
let @t = join(tt, "\n")
Tlibtrace 'tcomment', 1, @t
let @t = substitute(@t, '^\n', '', '')
Tlibtrace 'tcomment', 2, @t
let @t = substitute(@t, '\n\s*$', '', '')
Tlibtrace 'tcomment', 3, @t
if a:comment_mode =~# '#'
let s:cursor_pos = copy(s:current_pos)
let prefix_lines = len(substitute(prefix, "[^\n]", '', 'g')) + 1
let postfix_lines = len(substitute(postfix, "[^\n]", '', 'g')) + 1
" TODO: more precise solution (when cursor is placed on
" postfix or prefix
if s:cursor_pos[1] > a:beg
let s:cursor_pos[1] -= prefix_lines
if s:cursor_pos[1] > a:end - postfix_lines
let s:cursor_pos[1] -= postfix_lines
endif
if s:cursor_pos[1] < 1
let s:cursor_pos[1] = 1
endif
endif
let prefix_len = tcomment#compatibility#Strdisplaywidth(mx)
let s:cursor_pos[2] -= prefix_len
if s:cursor_pos[2] < 1
let s:cursor_pos[2] = 1
endif
endif
else
let cs = indentStr . substitute(cs, '%\@<!%s', '%s'. indentStr, '')
Tlibtrace 'tcomment', cs, ms
if !empty(ms)
let lines = []
let lnum = 0
let indentlen = a:cbeg
let rx = '^.\{-}\%>'. indentlen .'v\zs'
Tlibtrace 'tcomment', indentStr, indentlen, rx, @t, empty(@t)
if @t =~# '^\n\?$'
let lines = [indentStr . ms]
let cs .= "\n"
Tlibtrace 'tcomment', 1, lines
else
for line in split(@t, '\n')
Tlibtrace 'tcomment', 1, line
let line = s:ReplaceInLine(line, line)
if line =~# '^\s*' && tcomment#compatibility#Strdisplaywidth(line) < indentlen
let line = indentStr . ms
elseif lnum == 0
let line = substitute(line, rx, ms, '')
else
let line = substitute(line, rx, mx, '')
endif
Tlibtrace 'tcomment', 2, line
call add(lines, line)
let lnum += 1
endfor
Tlibtrace 'tcomment', 2, lines
endif
let @t = join(lines, "\n")
Tlibtrace 'tcomment', 3, @t
endif
let @t = tcomment#format#Printf1(cs, "\n". @t ."\n")
Tlibtrace 'tcomment', 4, cs, @t, a:comment_mode
if a:comment_mode =~# '#'
let s:cursor_pos = copy(s:current_pos)
let s:cursor_pos[1] += len(substitute(prefix, "[^\n]", '', 'g')) + 1
let prefix_len = tcomment#compatibility#Strdisplaywidth(mx)
let s:cursor_pos[2] += prefix_len
endif
endif
silent norm! "tP
finally
let &selection = sel_save
let @t = t
endtry
endf
" vi: ft=vim:tw=72:ts=4:fo=w2croql