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Ingo Karkat
57 lines
2.1 KiB
VimL
57 lines
2.1 KiB
VimL
" ingo/comments/indent.vim: Functions for indents around commented lines.
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"
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" DEPENDENCIES:
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"
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" Copyright: (C) 2019 Ingo Karkat
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" The VIM LICENSE applies to this script; see ':help copyright'.
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"
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" Maintainer: Ingo Karkat <ingo@karkat.de>
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function! ingo#comments#indent#Total( line ) abort
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"******************************************************************************
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"* PURPOSE:
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" Returns the sum of leading indent, the width of the comment prefix plus the
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" indent after it (counted in screen cells). Like indent(), but considers a
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" comment prefix as well. If there's no comment, just returns the ordinary
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" indent.
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"* ASSUMPTIONS / PRECONDITIONS:
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" None.
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"* EFFECTS / POSTCONDITIONS:
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" None.
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"* INPUTS:
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" a:line The line to be analyzed.
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"* RETURN VALUES:
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" Indent counted in spaces.
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"******************************************************************************
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return ingo#compat#strdisplaywidth(ingo#comments#SplitIndentAndText(a:line)[0])
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endfunction
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function! ingo#comments#indent#AfterComment( line ) abort
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"******************************************************************************
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"* PURPOSE:
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" Returns the width of the comment prefix plus the indent after it (counted in
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" screen cells). Like indent(), but only for the stuff after the comment
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" prefix (including the prefix itself). If there's no comment, just returns
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" the ordinary indent.
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"* ASSUMPTIONS / PRECONDITIONS:
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" None.
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"* EFFECTS / POSTCONDITIONS:
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" None.
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"* INPUTS:
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" a:line The line to be analyzed.
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"* RETURN VALUES:
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" Indent counted in spaces.
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"******************************************************************************
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let [l:indentBefore, l:commentPrefix, l:indentAfter, l:text, l:isBlankRequired] = ingo#comments#SplitAll(a:line)
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let l:beforeWidth = ingo#compat#strdisplaywidth(l:indentBefore)
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if empty(l:commentPrefix . l:indentAfter)
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return l:beforeWidth
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endif
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let l:totalWidth = ingo#compat#strdisplaywidth(l:indentBefore . l:commentPrefix . l:indentAfter)
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return l:totalWidth - l:beforeWidth
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endfunction
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" vim: set ts=8 sts=4 sw=4 noexpandtab ff=unix fdm=syntax :
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