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Include indentation setting for markdown, fixes #270
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Original file line number | Diff line number | Diff line change |
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if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'markdown') == -1 | ||
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if exists("b:did_indent") | finish | endif | ||
let b:did_indent = 1 | ||
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setlocal indentexpr=GetMarkdownIndent() | ||
setlocal nolisp | ||
setlocal autoindent | ||
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" Automatically insert bullets | ||
setlocal formatoptions+=r | ||
" Do not automatically insert bullets when auto-wrapping with text-width | ||
setlocal formatoptions-=c | ||
" Accept various markers as bullets | ||
setlocal comments=b:*,b:+,b:- | ||
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" Automatically continue blockquote on line break | ||
setlocal comments+=b:> | ||
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" Only define the function once | ||
if exists("*GetMarkdownIndent") | finish | endif | ||
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function! s:IsMkdCode(lnum) | ||
let name = synIDattr(synID(a:lnum, 1, 0), 'name') | ||
return (name =~ '^mkd\%(Code$\|Snippet\)' || name != '' && name !~ '^\%(mkd\|html\)') | ||
endfunction | ||
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function! s:IsLiStart(line) | ||
return a:line !~ '^ *\([*-]\)\%( *\1\)\{2}\%( \|\1\)*$' && | ||
\ a:line =~ '^\s*[*+-] \+' | ||
endfunction | ||
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function! s:IsHeaderLine(line) | ||
return a:line =~ '^\s*#' | ||
endfunction | ||
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function! s:IsBlankLine(line) | ||
return a:line =~ '^$' | ||
endfunction | ||
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function! s:PrevNonBlank(lnum) | ||
let i = a:lnum | ||
while i > 1 && s:IsBlankLine(getline(i)) | ||
let i -= 1 | ||
endwhile | ||
return i | ||
endfunction | ||
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function GetMarkdownIndent() | ||
if v:lnum > 2 && s:IsBlankLine(getline(v:lnum - 1)) && s:IsBlankLine(getline(v:lnum - 2)) | ||
return 0 | ||
endif | ||
let list_ind = get(g:, "vim_markdown_new_list_item_indent", 4) | ||
" Find a non-blank line above the current line. | ||
let lnum = s:PrevNonBlank(v:lnum - 1) | ||
" At the start of the file use zero indent. | ||
if lnum == 0 | return 0 | endif | ||
let ind = indent(lnum) | ||
let line = getline(lnum) " Last line | ||
let cline = getline(v:lnum) " Current line | ||
if s:IsLiStart(cline) | ||
" Current line is the first line of a list item, do not change indent | ||
return indent(v:lnum) | ||
elseif s:IsHeaderLine(cline) && !s:IsMkdCode(v:lnum) | ||
" Current line is the header, do not indent | ||
return 0 | ||
elseif s:IsLiStart(line) | ||
if s:IsMkdCode(lnum) | ||
return ind | ||
else | ||
" Last line is the first line of a list item, increase indent | ||
return ind + list_ind | ||
end | ||
else | ||
return ind | ||
endif | ||
endfunction | ||
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endif |