59 lines
1.4 KiB
VimL
59 lines
1.4 KiB
VimL
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if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'plantuml') == -1
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if exists("b:did_indent")
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finish
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endif
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let b:did_indent = 1
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setlocal indentexpr=GetPlantUMLIndent()
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setlocal indentkeys=o,O,<CR>,<:>,!^F,0end,0else,}
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" only define the indent code once
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if exists("*GetPlantUMLIndent")
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finish
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endif
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let s:incIndent =
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\ '^\s*\(loop\|alt\|opt\|group\|critical\|else\|legend\|box\)\>\|' .
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\ '^\s*\([hr]\?note\|ref\)\>[^:]*$\|' .
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\ '^\s*title\s*$\|' .
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\ '^\s*skinparam\>.*{\s*$\|' .
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\ '^\s*state\>.*{'
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let s:decIndent = '^\s*\(end\|else\|}\)'
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function! GetPlantUMLIndent(...) abort
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"for current line, use arg if given or v:lnum otherwise
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let clnum = a:0 ? a:1 : v:lnum
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if !s:insidePlantUMLTags(clnum)
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return indent(clnum)
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endif
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let pnum = prevnonblank(clnum-1)
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let pindent = indent(pnum)
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let pline = getline(pnum)
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let cline = getline(clnum)
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if cline =~ s:decIndent
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if pline =~ s:incIndent
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return pindent
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else
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return pindent - shiftwidth()
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endif
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elseif pline =~ s:incIndent
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return pindent + shiftwidth()
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endif
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return pindent
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endfunction
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function! s:insidePlantUMLTags(lnum) abort
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call cursor(a:lnum, 1)
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return search('@startuml', 'Wbn') && search('@enduml', 'Wn')
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endfunction
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endif
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