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" Private Functions {{{1
function! s:BorderExpr() "{{{2
return tablemode#table#StartExpr() .
\ '[' . g:table_mode_corner . g:table_mode_corner_corner . ']' .
\ '[' . escape(g:table_mode_fillchar . g:table_mode_header_fillchar . g:table_mode_corner . g:table_mode_align_char, '-') . ']\+' .
\ '[' . g:table_mode_corner . g:table_mode_corner_corner . ']' .
\ tablemode#table#EndExpr()
endfunction
function! s:DefaultBorder() "{{{2
if tablemode#IsActive()
return g:table_mode_corner_corner . g:table_mode_fillchar . g:table_mode_corner . g:table_mode_fillchar . g:table_mode_corner_corner
else
return ''
endif
endfunction
function! s:GenerateHeaderBorder(line) "{{{2
let line = tablemode#utils#line(a:line)
if tablemode#table#IsRow(line - 1) || tablemode#table#IsRow(line + 1)
let line_val = ''
if tablemode#table#IsRow(line + 1)
let line_val = getline(line + 1)
endif
if tablemode#table#IsRow(line - 1) && tablemode#utils#strlen(line_val) < tablemode#utils#strlen(getline(line - 1))
let line_val = getline(line - 1)
endif
if tablemode#utils#strlen(line_val) <= 1 | return s:DefaultBorder() | endif
let border = substitute(line_val[stridx(line_val, g:table_mode_separator):strridx(line_val, g:table_mode_separator)], g:table_mode_separator, g:table_mode_corner, 'g')
" To accurately deal with unicode double width characters
if tablemode#table#IsHeader(line - 1)
let fill_columns = map(split(border, g:table_mode_corner), 'repeat(g:table_mode_header_fillchar, tablemode#utils#StrDisplayWidth(v:val))')
else
let fill_columns = map(split(border, g:table_mode_corner), 'repeat(g:table_mode_fillchar, tablemode#utils#StrDisplayWidth(v:val))')
endif
let border = g:table_mode_corner . join(fill_columns, g:table_mode_corner) . g:table_mode_corner
let border = substitute(border, '^' . g:table_mode_corner . '\(.*\)' . g:table_mode_corner . '$', g:table_mode_corner_corner . '\1' . g:table_mode_corner_corner, '')
" Incorporate header alignment chars
if getline(line) =~# g:table_mode_align_char
let pat = '[' . g:table_mode_corner_corner . g:table_mode_corner . ']'
let hcols = tablemode#align#Split(getline(line), pat)
let gcols = tablemode#align#Split(border, pat)
for idx in range(len(hcols))
if hcols[idx] =~# g:table_mode_align_char
" center align
if hcols[idx] =~# g:table_mode_align_char . '[^'.g:table_mode_align_char.']\+' . g:table_mode_align_char
let gcols[idx] = g:table_mode_align_char . gcols[idx][1:-2] . g:table_mode_align_char
elseif hcols[idx] =~# g:table_mode_align_char . '$'
let gcols[idx] = gcols[idx][:-2] . g:table_mode_align_char
else
let gcols[idx] = g:table_mode_align_char . gcols[idx][1:]
endif
endif
endfor
let border = join(gcols, '')
endif
let cstartexpr = tablemode#table#StartCommentExpr()
if tablemode#utils#strlen(cstartexpr) > 0 && getline(line) =~# cstartexpr
let sce = matchstr(line_val, tablemode#table#StartCommentExpr())
let ece = matchstr(line_val, tablemode#table#EndCommentExpr())
return sce . border . ece
elseif getline(line) =~# tablemode#table#StartExpr()
let indent = matchstr(line_val, tablemode#table#StartExpr())
return indent . border
else
return border
endif
else
return s:DefaultBorder()
endif
endfunction
" Public Functions {{{1
function! tablemode#table#GetCommentStart() "{{{2
let cstring = &commentstring
if tablemode#utils#strlen(cstring) > 0
return substitute(split(cstring, '%s')[0], '[^()]', '\\\0', 'g')
else
return ''
endif
endfunction
function! tablemode#table#StartCommentExpr() "{{{2
let cstartexpr = tablemode#table#GetCommentStart()
if tablemode#utils#strlen(cstartexpr) > 0
return '^\s*' . cstartexpr . '\s*'
else
return ''
endif
endfunction
function! tablemode#table#GetCommentEnd() "{{{2
let cstring = &commentstring
if tablemode#utils#strlen(cstring) > 0
let cst = split(cstring, '%s')
if len(cst) == 2
return substitute(cst[1], '[^()]', '\\\0', 'g')
else
return ''
endif
else
return ''
endif
endfunction
function! tablemode#table#EndCommentExpr() "{{{2
let cendexpr = tablemode#table#GetCommentEnd()
if tablemode#utils#strlen(cendexpr) > 0
return '.*\zs\s\+' . cendexpr . '\s*$'
else
return ''
endif
endfunction
function! tablemode#table#StartExpr() "{{{2
let cstart = tablemode#table#GetCommentStart()
if tablemode#utils#strlen(cstart) > 0
return '^\s*\(' . cstart . '\)\?\s*'
else
return '^\s*'
endif
endfunction
function! tablemode#table#EndExpr() "{{{2
let cend = tablemode#table#GetCommentEnd()
if tablemode#utils#strlen(cend) > 0
return '\s*\(\s\+' . cend . '\)\?\s*$'
else
return '\s*$'
endif
endfunction
function! tablemode#table#IsBorder(line) "{{{2
return !empty(getline(a:line)) && getline(a:line) =~# s:BorderExpr()
endfunction
function! tablemode#table#IsHeader(line) "{{{2
let line = tablemode#utils#line(a:line)
" if line <= 0 || line > line('$') | return 0 | endif
return tablemode#table#IsRow(line)
\ && !tablemode#table#IsRow(line-1)
\ && !tablemode#table#IsRow(line-2)
\ && !tablemode#table#IsBorder(line-2)
\ && tablemode#table#IsBorder(line+1)
endfunction
function! tablemode#table#IsRow(line) "{{{2
return !tablemode#table#IsBorder(a:line) && getline(a:line) =~# (tablemode#table#StartExpr() . g:table_mode_separator) . '[^' . g:table_mode_separator . ']\+'
endfunction
function! tablemode#table#IsTable(line) "{{{2
return tablemode#table#IsRow(a:line) || tablemode#table#IsBorder(a:line)
endfunction
function! tablemode#table#AddBorder(line) "{{{2
call setline(a:line, s:GenerateHeaderBorder(a:line))
endfunction
function! tablemode#table#Realign(line) "{{{2
let line = tablemode#utils#line(a:line)
let lines = []
let [lnum, blines] = [line, []]
while tablemode#table#IsTable(lnum)
if tablemode#table#IsBorder(lnum)
call insert(blines, lnum)
let lnum -= 1
continue
endif
call insert(lines, {'lnum': lnum, 'text': getline(lnum)})
let lnum -= 1
endwhile
let lnum = line + 1
while tablemode#table#IsTable(lnum)
if tablemode#table#IsBorder(lnum)
call add(blines, lnum)
let lnum += 1
continue
endif
call add(lines, {'lnum': lnum, 'text': getline(lnum)})
let lnum += 1
endwhile
let lines = tablemode#align#Align(lines)
for aline in lines
call setline(aline.lnum, aline.text)
endfor
for bline in blines
call tablemode#table#AddBorder(bline)
endfor
endfunction
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