setup global variables and keymaps in plugin/nerdcommenter.vim

This commit is contained in:
antonk52
2021-07-24 21:55:50 +01:00
parent dec06b1fb9
commit f12042b675
2 changed files with 124 additions and 132 deletions

View File

@@ -1,24 +1,3 @@
" Section: script init stuff {{{1
let nerdcommenter#loaded = 1
" Function: s:InitVariable() function
" This function is used to initialise a given variable to a given value. The
" variable is only initialised if it does not exist prior
"
" Args:
" -var: the name of the var to be initialised
" -value: the value to initialise var to
"
" Returns:
" 1 if the var is set, 0 otherwise
function s:InitVariable(var, value)
if !exists(a:var)
execute 'let ' . a:var . ' = ' . string(a:value)
return 1
endif
return 0
endfunction
" Section: space string init
" When putting spaces after the left delimiter and before the right we use
" s:spaceStr for the space char. This way we can make it add anything after
@@ -26,26 +5,6 @@ endfunction
let s:spaceStr = ' '
let s:lenSpaceStr = strlen(s:spaceStr)
" Section: variable initialization
call s:InitVariable('g:NERDAllowAnyVisualDelims', 1)
call s:InitVariable('g:NERDBlockComIgnoreEmpty', 0)
call s:InitVariable('g:NERDCommentWholeLinesInVMode', 0)
call s:InitVariable('g:NERDCommentEmptyLines', 0)
call s:InitVariable('g:NERDCompactSexyComs', 0)
call s:InitVariable('g:NERDCreateDefaultMappings', 1)
call s:InitVariable('g:NERDDefaultNesting', 1)
call s:InitVariable('g:NERDMenuMode', 3)
call s:InitVariable('g:NERDLPlace', '[>')
call s:InitVariable('g:NERDUsePlaceHolders', 1)
call s:InitVariable('g:NERDRemoveAltComs', 1)
call s:InitVariable('g:NERDRemoveExtraSpaces', 0)
call s:InitVariable('g:NERDRPlace', '<]')
call s:InitVariable('g:NERDSpaceDelims', 0)
call s:InitVariable('g:NERDDefaultAlign', 'none')
call s:InitVariable('g:NERDTrimTrailingWhitespace', 0)
call s:InitVariable('g:NERDToggleCheckAllLines', 0)
call s:InitVariable('g:NERDDisableTabsInBlockComm', 0)
let s:NERDFileNameEscape="[]#*$%'\" ?`!&();<>\\"
let s:delimiterMap = {
@@ -486,22 +445,8 @@ endif
" Section: Comment mapping functions, autocommands and commands
" ============================================================================
" Section: Comment enabler autocommands
" ============================================================================
augroup NERDCommenter
"if the user enters a buffer or reads a buffer then we gotta set up
"the comment delimiters for that new filetype
autocmd BufEnter,BufRead * :call s:SetUpForNewFiletype(&filetype, 0)
"if the filetype of a buffer changes, force the script to reset the
"delimiters for the buffer
autocmd Filetype * :call s:SetUpForNewFiletype(&filetype, 1)
augroup END
" Function: s:SetUpForNewFiletype(filetype) function
" Function: nerdcommenter#SetUpForNewFiletype(filetype) function
" This function is responsible for setting up buffer scoped variables for the
" given filetype.
"
@@ -510,8 +455,17 @@ augroup END
" -forceReset: 1 if the delimiters should be reset if they have already be
" set for this buffer.
"
function s:SetUpForNewFiletype(filetype, forceReset)
" used to avoid calculating things inside nerdcommenter#SetUpForNewFiletype
let s:last_filetype = '_force_setup_the_first_time_'
function nerdcommenter#SetUpForNewFiletype(filetype, forceReset)
let filetype = a:filetype
if s:last_filetype == filetype
return 0
else
let s:last_filetype = filetype
endif
"for compound filetypes, if we don't know how to handle the full filetype
"then break it down and use the first part that we know how to handle
@@ -542,7 +496,7 @@ function s:SetUpForNewFiletype(filetype, forceReset)
" if g:NERD_<filetype>_alt_style is defined, use the alternate style
let b:NERDCommenterFirstInit = getbufvar(1,'NERDCommenterFirstInit')
if exists('g:NERDAltDelims_'.filetype) && eval('g:NERDAltDelims_'.filetype) && !b:NERDCommenterFirstInit
call s:SwitchToAlternativeDelimiters(0)
call nerdcommenter#SwitchToAlternativeDelimiters(0)
let b:NERDCommenterFirstInit = 1
endif
else
@@ -570,7 +524,7 @@ function s:CreateDelimMapFromCms()
\ 'nestedAlt': 0}
endfunction
" Function: s:SwitchToAlternativeDelimiters(printMsgs) function
" Function: nerdcommenter#SwitchToAlternativeDelimiters(printMsgs) function
" This function is used to swap the delimiters that are being used to the
" alternative delimiters for that filetype. For example, if a c++ file is
" being edited and // comments are being used, after this function is called
@@ -579,7 +533,9 @@ endfunction
" Args:
" -printMsgs: if this is 1 then a message is echoed to the user telling them
" if this function changed the delimiters or not
function s:SwitchToAlternativeDelimiters(printMsgs)
" function nerdcommenter#SwitchToAlternativeDelimiters(printMsgs)
function nerdcommenter#SwitchToAlternativeDelimiters(printMsgs)
call nerdcommenter#SetUpForNewFiletype(&filetype, 1)
if exists('*NERDCommenter_before')
exe 'call NERDCommenter_before()'
endif
@@ -707,7 +663,7 @@ function s:CommentBlock(top, bottom, lSide, rSide, forceNested )
let switchedDelims = 0
if !s:Multipart() && !g:NERDAllowAnyVisualDelims && s:AltMultipart()
let switchedDelims = 1
call s:SwitchToAlternativeDelimiters(0)
call nerdcommenter#SwitchToAlternativeDelimiters(0)
endif
"start the commenting from the top and keep commenting till we reach the
@@ -782,7 +738,7 @@ function s:CommentBlock(top, bottom, lSide, rSide, forceNested )
"if we switched delimiterss then we gotta go back to what they were before
if switchedDelims ==# 1
call s:SwitchToAlternativeDelimiters(0)
call nerdcommenter#SwitchToAlternativeDelimiters(0)
endif
endfunction
@@ -1124,7 +1080,7 @@ function s:CommentRegion(topLine, topCol, bottomLine, bottomCol, forceNested)
let switchedDelims = 0
if !s:Multipart() && s:AltMultipart() && !g:NERDAllowAnyVisualDelims
let switchedDelims = 1
call s:SwitchToAlternativeDelimiters(0)
call nerdcommenter#SwitchToAlternativeDelimiters(0)
endif
"if there is only one line in the comment then just do it
@@ -1155,7 +1111,7 @@ function s:CommentRegion(topLine, topCol, bottomLine, bottomCol, forceNested)
"if we switched delimiters then we gotta go back to what they were before
if switchedDelims ==# 1
call s:SwitchToAlternativeDelimiters(0)
call nerdcommenter#SwitchToAlternativeDelimiters(0)
endif
endfunction
@@ -1219,6 +1175,7 @@ endfunction
" 'Minimal', 'Toggle', 'AlignLeft', 'AlignBoth', 'Comment',
" 'Nested', 'ToEOL', 'Append', 'Insert', 'Uncomment', 'Yank'
function! nerdcommenter#Comment(mode, type) range abort
call nerdcommenter#SetUpForNewFiletype(&filetype, 1)
if exists('*NERDCommenter_before')
exe 'call NERDCommenter_before()'
endif
@@ -3137,71 +3094,3 @@ function s:UntabbedCol(line, col)
let lineTabsToSpaces = substitute(lineTruncated, '\t', s:TabSpace(), 'g')
return strlen(lineTabsToSpaces)
endfunction
" Section: Comment mapping and menu item setup
" ===========================================================================
function! nerdcommenter#Plug(target) abort
return "\<Plug>NERDCommenter". a:target
endfunction
" Create menu items for the specified modes. If a:combo is not empty, then
" also define mappings and show a:combo in the menu items.
function! s:CreateMaps(modes, target, desc, combo)
" Build up a map command like
" 'noremap <silent> <Plug>NERDCommenterComment :call nerdcommenter#Comment("n", "Comment")'
let plug = '<Plug>NERDCommenter' . a:target
let plug_start = 'noremap <silent> ' . plug . ' :call nerdcommenter#Comment("'
let plug_end = '", "' . a:target . '")<CR>'
" Build up a menu command like
" 'menu <silent> comment.Comment<Tab>\\cc <Plug>NERDCommenterComment'
let menuRoot = get(['', 'comment', '&comment', '&Plugin.&comment', '&Plugin.Nerd\ &Commenter'],
\ g:NERDMenuMode, '')
let menu_command = 'menu <silent> ' . menuRoot . '.' . escape(a:desc, ' ')
if strlen(a:combo)
let leader = exists('g:mapleader') ? g:mapleader : '\'
let menu_command .= '<Tab>' . escape(leader, '\') . a:combo
endif
let menu_command .= ' ' . (strlen(a:combo) ? plug : a:target)
" Execute the commands built above for each requested mode.
for mode in (a:modes ==# '') ? [''] : split(a:modes, '\zs')
if strlen(a:combo)
execute mode . plug_start . mode . plug_end
if g:NERDCreateDefaultMappings && !hasmapto(plug, mode)
execute mode . 'map <leader>' . a:combo . ' ' . plug
endif
endif
" Check if the user wants the menu to be displayed.
if g:NERDMenuMode !=# 0
execute mode . menu_command
endif
endfor
endfunction
call s:CreateMaps('nx', 'Comment', 'Comment', 'cc')
call s:CreateMaps('nx', 'Toggle', 'Toggle', 'c<Space>')
call s:CreateMaps('nx', 'Minimal', 'Minimal', 'cm')
call s:CreateMaps('nx', 'Nested', 'Nested', 'cn')
call s:CreateMaps('n', 'ToEOL', 'To EOL', 'c$')
call s:CreateMaps('nx', 'Invert', 'Invert', 'ci')
call s:CreateMaps('nx', 'Sexy', 'Sexy', 'cs')
call s:CreateMaps('nx', 'Yank', 'Yank then comment', 'cy')
call s:CreateMaps('n', 'Append', 'Append', 'cA')
call s:CreateMaps('', ':', '-Sep-', '')
call s:CreateMaps('nx', 'AlignLeft', 'Left aligned', 'cl')
call s:CreateMaps('nx', 'AlignBoth', 'Left and right aligned', 'cb')
call s:CreateMaps('', ':', '-Sep2-', '')
call s:CreateMaps('nx', 'Uncomment', 'Uncomment', 'cu')
call s:CreateMaps('n', 'AltDelims', 'Switch Delimiters', 'ca')
call s:CreateMaps('i', 'Insert', 'Insert Comment Here', '')
call s:CreateMaps('', ':', '-Sep3-', '')
call s:CreateMaps('', ':help NERDCommenterContents<CR>', 'Help', '')
inoremap <silent> <Plug>NERDCommenterInsert <Space><BS><Esc>:call nerdcommenter#Comment('i', "insert")<CR>
" switch to/from alternative delimiters (does not use wrapper function)
nnoremap <Plug>NERDCommenterAltDelims :call <SID>SwitchToAlternativeDelimiters(1)<CR>
" This is a workaround to enable lazy-loading from supported plugin managers:
" See https://github.com/preservim/nerdcommenter/issues/176
if !has('vim_starting')
call s:SetUpForNewFiletype(&filetype, 1)
endif

103
plugin/nerdcommenter.vim Normal file
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@@ -0,0 +1,103 @@
if exists('loaded_nerd_comments')
finish
endif
if v:version < 700
echoerr "NERDCommenter: this plugin requires vim >= 7. DOWNLOAD IT! You'll thank me later!"
finish
endif
let loaded_nerd_comments = 1
" Function: s:InitVariable() function
" This function is used to initialise a given variable to a given value. The
" variable is only initialised if it does not exist prior
"
" Args:
" -var: the name of the var to be initialised
" -value: the value to initialise var to
"
" Returns:
" 0
function s:InitVariable(var, value)
if !exists(a:var)
execute 'let ' . a:var . ' = ' . string(a:value)
endif
endfunction
" Section: variable initialization
call s:InitVariable('g:NERDAllowAnyVisualDelims', 1)
call s:InitVariable('g:NERDBlockComIgnoreEmpty', 0)
call s:InitVariable('g:NERDCommentWholeLinesInVMode', 0)
call s:InitVariable('g:NERDCommentEmptyLines', 0)
call s:InitVariable('g:NERDCompactSexyComs', 0)
call s:InitVariable('g:NERDCreateDefaultMappings', 1)
call s:InitVariable('g:NERDDefaultNesting', 1)
call s:InitVariable('g:NERDMenuMode', 3)
call s:InitVariable('g:NERDLPlace', '[>')
call s:InitVariable('g:NERDUsePlaceHolders', 1)
call s:InitVariable('g:NERDRemoveAltComs', 1)
call s:InitVariable('g:NERDRemoveExtraSpaces', 0)
call s:InitVariable('g:NERDRPlace', '<]')
call s:InitVariable('g:NERDSpaceDelims', 0)
call s:InitVariable('g:NERDDefaultAlign', 'none')
call s:InitVariable('g:NERDTrimTrailingWhitespace', 0)
call s:InitVariable('g:NERDToggleCheckAllLines', 0)
call s:InitVariable('g:NERDDisableTabsInBlockComm', 0)
" Section: Comment mapping and menu item setup
" ===========================================================================
" Create menu items for the specified modes. If a:combo is not empty, then
" also define mappings and show a:combo in the menu items.
function! s:CreateMaps(modes, target, desc, combo)
" Build up a map command like
" 'noremap <silent> <Plug>NERDCommenterComment :call nerdcommenter#Comment("n", "Comment")'
let plug = '<Plug>NERDCommenter' . a:target
let plug_start = 'noremap <silent> ' . plug . ' :call nerdcommenter#Comment("'
let plug_end = '", "' . a:target . '")<CR>'
" Build up a menu command like
" 'menu <silent> comment.Comment<Tab>\\cc <Plug>NERDCommenterComment'
let menuRoot = get(['', 'comment', '&comment', '&Plugin.&comment', '&Plugin.Nerd\ &Commenter'],
\ g:NERDMenuMode, '')
let menu_command = 'menu <silent> ' . menuRoot . '.' . escape(a:desc, ' ')
if strlen(a:combo)
let leader = exists('g:mapleader') ? g:mapleader : '\'
let menu_command .= '<Tab>' . escape(leader, '\') . a:combo
endif
let menu_command .= ' ' . (strlen(a:combo) ? plug : a:target)
" Execute the commands built above for each requested mode.
for mode in (a:modes ==# '') ? [''] : split(a:modes, '\zs')
if strlen(a:combo)
execute mode . plug_start . mode . plug_end
if g:NERDCreateDefaultMappings && !hasmapto(plug, mode)
execute mode . 'map <leader>' . a:combo . ' ' . plug
endif
endif
" Check if the user wants the menu to be displayed.
if g:NERDMenuMode !=# 0
execute mode . menu_command
endif
endfor
endfunction
call s:CreateMaps('nx', 'Comment', 'Comment', 'cc')
call s:CreateMaps('nx', 'Toggle', 'Toggle', 'c<Space>')
call s:CreateMaps('nx', 'Minimal', 'Minimal', 'cm')
call s:CreateMaps('nx', 'Nested', 'Nested', 'cn')
call s:CreateMaps('n', 'ToEOL', 'To EOL', 'c$')
call s:CreateMaps('nx', 'Invert', 'Invert', 'ci')
call s:CreateMaps('nx', 'Sexy', 'Sexy', 'cs')
call s:CreateMaps('nx', 'Yank', 'Yank then comment', 'cy')
call s:CreateMaps('n', 'Append', 'Append', 'cA')
call s:CreateMaps('', ':', '-Sep-', '')
call s:CreateMaps('nx', 'AlignLeft', 'Left aligned', 'cl')
call s:CreateMaps('nx', 'AlignBoth', 'Left and right aligned', 'cb')
call s:CreateMaps('', ':', '-Sep2-', '')
call s:CreateMaps('nx', 'Uncomment', 'Uncomment', 'cu')
call s:CreateMaps('n', 'AltDelims', 'Switch Delimiters', 'ca')
call s:CreateMaps('i', 'Insert', 'Insert Comment Here', '')
call s:CreateMaps('', ':', '-Sep3-', '')
call s:CreateMaps('', ':help NERDCommenterContents<CR>', 'Help', '')
inoremap <silent> <Plug>NERDCommenterInsert <Space><BS><Esc>:call nerdcommenter#Comment('i', "insert")<CR>
" switch to/from alternative delimiters (does not use wrapper function)
nnoremap <Plug>NERDCommenterAltDelims :call nerdcommenter#SwitchToAlternativeDelimiters(1)<CR>