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ultimate-vim/vim_plugin_candinates_src/vimwiki-1-2/autoload/vimwiki/tbl.vim

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" vim:tabstop=2:shiftwidth=2:expandtab:foldmethod=marker:textwidth=79
" Vimwiki autoload plugin file
" Desc: Tables
" | Easily | manageable | text | tables | ! |
" |--------+------------+-------+--------+---------|
" | Have | fun! | Drink | tea | Period. |
"
" Author: Maxim Kim <habamax@gmail.com>
" Home: http://code.google.com/p/vimwiki/
" Load only once {{{
if exists("g:loaded_vimwiki_tbl_auto") || &cp
finish
endif
let g:loaded_vimwiki_tbl_auto = 1
"}}}
let s:textwidth = &tw
" Misc functions {{{
function! s:wide_len(str) "{{{
" vim73 has new function that gives correct string width.
if exists("*strdisplaywidth")
return strdisplaywidth(a:str)
endif
" get str display width in vim ver < 7.2
if !g:vimwiki_CJK_length
let ret = strlen(substitute(a:str, '.', 'x', 'g'))
else
let savemodified = &modified
let save_cursor = getpos('.')
exe "norm! o\<esc>"
call setline(line("."), a:str)
let ret = virtcol("$") - 1
d
call setpos('.', save_cursor)
let &modified = savemodified
endif
return ret
endfunction "}}}
function! s:is_table(line) "{{{
return a:line =~ '^\s*\%(|[^|]\+\)\+|\s*$' || s:is_separator(a:line)
endfunction "}}}
function! s:is_separator(line) "{{{
return a:line =~ '^\s*[|+]\s*--[-|+]\+'
endfunction "}}}
function! s:is_last_column(lnum, cnum) "{{{
return strpart(getline(a:lnum), a:cnum - 1) =~ '^[^|]*|\s*$'
endfunction "}}}
function! s:is_first_column(lnum, cnum) "{{{
let line = strpart(getline(a:lnum), 0, a:cnum - 1)
return line =~ '^\s*|[^|]*$' || line =~ '^\s*$'
endfunction "}}}
function! s:count_separators_up(lnum) "{{{
let lnum = a:lnum - 1
while lnum > 1
if !s:is_separator(getline(lnum))
break
endif
let lnum -= 1
endwhile
return (a:lnum-lnum)
endfunction "}}}
function! s:count_separators_down(lnum) "{{{
let lnum = a:lnum + 1
while lnum < line('$')
if !s:is_separator(getline(lnum))
break
endif
let lnum += 1
endwhile
return (lnum-a:lnum)
endfunction "}}}
function! s:create_empty_row(cols) "{{{
let first_cell = "| |"
let cell = " |"
let row = first_cell
for c in range(a:cols - 1)
let row .= cell
endfor
return row
endfunction "}}}
function! s:create_row_sep(cols) "{{{
let first_cell = "|---+"
let cell = "---+"
let last_cell = "---|"
if a:cols < 2
return "|---|"
endif
let row = first_cell
for c in range(a:cols - 2)
let row .= cell
endfor
let row .= last_cell
return row
endfunction "}}}
function! s:get_values(line) "{{{
return split(a:line, '\s*|\s*', 1)[1:-2]
endfunction "}}}
function! s:col_count(lnum) "{{{
let line = getline(a:lnum)
if !s:is_separator(line)
return len(split(line, '\s*|\s*', 1)[1:-2])
else
return len(split(line, '-+-', 1))
endif
endfunction "}}}
function! s:get_indent(lnum) "{{{
if !s:is_table(getline(a:lnum))
return
endif
let indent = 0
let lnum = a:lnum - 1
while lnum > 1
let line = getline(lnum)
if !s:is_table(line)
let indent = indent(lnum+1)
break
endif
let lnum -= 1
endwhile
return indent
endfunction " }}}
function! s:get_rows(lnum) "{{{
if !s:is_table(getline(a:lnum))
return
endif
let upper_rows = []
let lower_rows = []
let lnum = a:lnum - 1
while lnum > 1
let line = getline(lnum)
if s:is_table(line)
call add(upper_rows, [lnum, line])
else
break
endif
let lnum -= 1
endwhile
call reverse(upper_rows)
let lnum = a:lnum
while lnum <= line('$')
let line = getline(lnum)
if s:is_table(line)
call add(lower_rows, [lnum, line])
else
break
endif
let lnum += 1
endwhile
return upper_rows + lower_rows
endfunction "}}}
function! s:get_cell_max_lens(lnum) "{{{
let max_lens = {}
for [lnum, row] in s:get_rows(a:lnum)
if s:is_separator(row)
continue
endif
let cells = s:get_values(row)
for idx in range(len(cells))
let value = cells[idx]
if has_key(max_lens, idx)
let max_lens[idx] = max([s:wide_len(value), max_lens[idx]])
else
let max_lens[idx] = s:wide_len(value)
endif
endfor
endfor
return max_lens
endfunction "}}}
function! s:get_aligned_rows(lnum, col1, col2) "{{{
let max_lens = s:get_cell_max_lens(a:lnum)
let rows = []
for [lnum, row] in s:get_rows(a:lnum)
if s:is_separator(row)
let new_row = s:fmt_sep(max_lens, a:col1, a:col2)
else
let new_row = s:fmt_row(row, max_lens, a:col1, a:col2)
endif
call add(rows, [lnum, new_row])
endfor
return rows
endfunction "}}}
" Number of the current column. Starts from 0.
function! s:cur_column() "{{{
let line = getline('.')
if !s:is_table(line)
return -1
endif
if s:is_separator(line)
let sep = '[+|]'
else
let sep = '|'
endif
let curs_pos = col('.')
let mpos = match(line, '|', 0)
let col = -1
while mpos < curs_pos && mpos != -1
let mpos = match(line, sep, mpos+1)
if mpos != -1
let col += 1
endif
endwhile
return col
endfunction "}}}
" }}}
" Format functions {{{
function! s:fmt_cell(cell, max_len) "{{{
let cell = ' '.a:cell.' '
let diff = a:max_len - s:wide_len(a:cell)
if diff == 0 && empty(a:cell)
let diff = 1
endif
let cell .= repeat(' ', diff)
return cell
endfunction "}}}
function! s:fmt_row(line, max_lens, col1, col2) "{{{
let new_line = '|'
let cells = s:get_values(a:line)
for idx in range(len(cells))
if idx == a:col1
let idx = a:col2
elseif idx == a:col2
let idx = a:col1
endif
let value = cells[idx]
let new_line .= s:fmt_cell(value, a:max_lens[idx]).'|'
endfor
let idx = len(cells)
while idx < len(a:max_lens)
let new_line .= s:fmt_cell('', a:max_lens[idx]).'|'
let idx += 1
endwhile
return new_line
endfunction "}}}
function! s:fmt_cell_sep(max_len) "{{{
if a:max_len == 0
return repeat('-', 3)
else
return repeat('-', a:max_len+2)
endif
endfunction "}}}
function! s:fmt_sep(max_lens, col1, col2) "{{{
let sep = '|'
for idx in range(len(a:max_lens))
if idx == a:col1
let idx = a:col2
elseif idx == a:col2
let idx = a:col1
endif
let sep .= s:fmt_cell_sep(a:max_lens[idx]).'+'
endfor
let sep = substitute(sep, '+$', '|', '')
return sep
endfunction "}}}
"}}}
" Keyboard functions "{{{
function! s:kbd_create_new_row(cols, goto_first) "{{{
let cmd = "\<ESC>o".s:create_empty_row(a:cols)
let cmd .= "\<ESC>:call vimwiki#tbl#format(line('.'))\<CR>"
if a:goto_first
let cmd .= "\<ESC>0:call search('|', 'c', line('.'))\<CR>la"
else
let cmd .= "0".(col('.')-1)."lT|a"
endif
return cmd
endfunction "}}}
function! s:kbd_goto_next_row() "{{{
let cmd = "\<ESC>jt|T|a"
return cmd
endfunction "}}}
function! s:kbd_goto_prev_row() "{{{
let cmd = "\<ESC>jt|T|a"
return cmd
endfunction "}}}
function! s:kbd_goto_next_col(last) "{{{
if a:last
let seps = s:count_separators_down(line('.'))
let cmd = "\<ESC>".seps."j0:call search('|', 'c', line('.'))\<CR>la"
else
let cmd = "\<ESC>:call search('|', 'c', line('.'))\<CR>la"
endif
return cmd
endfunction "}}}
function! s:kbd_goto_prev_col(first) "{{{
if a:first
let seps = s:count_separators_up(line('.'))
let cmd = "\<ESC>".seps."k$:call search('|', 'b', line('.'))\<CR>la"
else
let cmd = "\<ESC>2F|la"
endif
return cmd
endfunction "}}}
"}}}
" Global functions {{{
function! vimwiki#tbl#kbd_cr() "{{{
let lnum = line('.')
if !s:is_table(getline(lnum))
return "\<CR>"
endif
if s:is_separator(getline(lnum+1)) || !s:is_table(getline(lnum+1))
let cols = len(s:get_values(getline(lnum)))
return s:kbd_create_new_row(cols, 0)
else
return s:kbd_goto_next_row()
endif
endfunction "}}}
function! vimwiki#tbl#kbd_tab() "{{{
let lnum = line('.')
if !s:is_table(getline(lnum))
return "\<Tab>"
endif
let last = s:is_last_column(lnum, col('.'))
if last && !s:is_table(getline(lnum+1))
let cols = len(s:get_values(getline(lnum)))
return s:kbd_create_new_row(cols, 1)
endif
return s:kbd_goto_next_col(last)
endfunction "}}}
function! vimwiki#tbl#kbd_shift_tab() "{{{
let lnum = line('.')
if !s:is_table(getline(lnum))
return "\<S-Tab>"
endif
let first = s:is_first_column(lnum, col('.'))
if first && !s:is_table(getline(lnum-1))
return ""
endif
return s:kbd_goto_prev_col(first)
endfunction "}}}
function! vimwiki#tbl#format(lnum, ...) "{{{
let line = getline(a:lnum)
if !s:is_table(line)
return
endif
if a:0 == 2
let col1 = a:1
let col2 = a:2
else
let col1 = 0
let col2 = 0
endif
let indent = s:get_indent(a:lnum)
for [lnum, row] in s:get_aligned_rows(a:lnum, col1, col2)
let row = repeat(' ', indent).row
call setline(lnum, row)
endfor
let &tw = s:textwidth
endfunction "}}}
function! vimwiki#tbl#create(...) "{{{
if a:0 > 1
let cols = a:1
let rows = a:2
elseif a:0 == 1
let cols = a:1
let rows = 2
elseif a:0 == 0
let cols = 5
let rows = 2
endif
if cols < 1
let cols = 5
endif
if rows < 1
let rows = 2
endif
let lines = []
let row = s:create_empty_row(cols)
call add(lines, row)
if rows > 1
call add(lines, s:create_row_sep(cols))
endif
for r in range(rows - 1)
call add(lines, row)
endfor
call append(line('.'), lines)
endfunction "}}}
function! vimwiki#tbl#align_or_cmd(cmd) "{{{
if s:is_table(getline('.'))
call vimwiki#tbl#format(line('.'))
else
exe 'normal! '.a:cmd
endif
endfunction "}}}
function! vimwiki#tbl#reset_tw(lnum) "{{{
let line = getline(a:lnum)
if !s:is_table(line)
return
endif
let s:textwidth = &tw
let &tw = 0
endfunction "}}}
" TODO: move_column_left and move_column_right are good candidates to be
" refactored.
function! vimwiki#tbl#move_column_left() "{{{
if !s:is_table(getline('.'))
return
endif
let cur_col = s:cur_column()
if cur_col == -1
return
endif
if cur_col > 0
call vimwiki#tbl#format(line('.'), cur_col-1, cur_col)
call cursor(line('.'), 1)
if !s:is_separator(getline('.'))
call search('\%(|[^|]\+\)\{'.(cur_col-1).'}| .', 'eW')
else
call search('|\%([^+]\++\)\{'.(cur_col-1).'}--', 'eW')
endif
endif
endfunction "}}}
function! vimwiki#tbl#move_column_right() "{{{
if !s:is_table(getline('.'))
return
endif
let cur_col = s:cur_column()
if cur_col == -1
return
endif
if cur_col < s:col_count(line('.'))-1
call vimwiki#tbl#format(line('.'), cur_col, cur_col+1)
call cursor(line('.'), 1)
if !s:is_separator(getline('.'))
call search('\%(|[^|]\+\)\{'.(cur_col+1).'}| .', 'eW')
else
call search('|\%([^+]\++\)\{'.(cur_col+1).'}--', 'eW')
endif
endif
endfunction "}}}
function! vimwiki#tbl#get_rows(lnum) "{{{
return s:get_rows(a:lnum)
endfunction "}}}
"}}}