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|
"
" reStructuredText tables plugin
" Language: Python (ft=python)
" Maintainer: Vincent Driessen <vincent@datafox.nl>
" Version: Vim 7 (may work with lower Vim versions, but not tested)
" URL: http://github.com/nvie/vim-rst-tables
"
" Only do this when not done yet for this buffer
if exists("g:loaded_rst_tables_ftplugin")
finish
endif
let loaded_rst_tables_ftplugin = 1
python << endpython
import vim
import re
from vim_bridge import bridged
def get_table_bounds():
row, col = vim.current.window.cursor
upper = lower = row
try:
while vim.current.buffer[upper - 1].strip():
upper -= 1
except IndexError:
pass
else:
upper += 1
try:
while vim.current.buffer[lower - 1].strip():
lower += 1
except IndexError:
pass
else:
lower -= 1
return (upper, lower)
def unify_table(table):
max_fields = max(map(lambda row: len(row), table))
output = []
for row in table:
curr_len = len(row)
if curr_len < max_fields:
row += [''] * (max_fields - curr_len)
output.append(row)
return output
def split_table_row(row_string):
if row_string.find("|") >= 0:
# first, strip off the outer table drawings
row_string = re.sub(r'^\s*\||\|\s*$', '', row_string)
return re.split(r'\s*\|\s*', row_string.strip())
return re.split(r'\s\s+', row_string.rstrip())
def parse_table(raw_lines):
select_data_lines = lambda line: not re.match('^[\t +=-]+$', line)
lines = filter(select_data_lines, raw_lines)
lines = map(split_table_row, lines)
return unify_table(lines)
def table_line(widths, header=False):
if header:
linechar = '='
else:
linechar = '-'
sep = '+'
parts = []
for width in widths:
parts.append(linechar * width)
if parts:
parts = [''] + parts + ['']
return sep.join(parts)
def get_column_widths(table):
widths = []
for row in table:
num_fields = len(row)
# dynamically grow
if num_fields >= len(widths):
widths.extend([0] * (num_fields - len(widths)))
for i in range(num_fields):
field_text = row[i]
field_width = len(field_text)
widths[i] = max(widths[i], field_width)
return widths
def pad_fields(table, widths=None):
"""Pads fields of the table, so each row lines up nicely with the others.
If the widths param is None, the widths are calculated automatically.
"""
if widths is None:
widths = get_column_widths(table)
widths = map(lambda w: ' %-' + str(w) + 's ', widths)
# Pad all fields using the calculated widths
output = []
for row in table:
new_row = []
for i in range(len(row)):
col = row[i]
col = widths[i] % col.strip()
new_row.append(col)
output.append(new_row)
return output
def draw_table(table):
if table == []:
return []
col_widths = get_column_widths(table)
table = pad_fields(table, col_widths)
# Reserve room for the spaces
col_widths = map(lambda x: x + 2, col_widths)
header_line = table_line(col_widths, header=True)
normal_line = table_line(col_widths, header=False)
output = [header_line]
first = True
for row in table:
output.append("|".join([''] + row + ['']))
if first:
output.append(header_line)
first = False
else:
output.append(normal_line)
return output
@bridged
def create_table():
upper, lower = get_table_bounds()
slice = vim.current.buffer[upper - 1:lower]
table = parse_table(slice)
slice = draw_table(table)
vim.current.buffer[upper - 1:lower] = slice
endpython
" Add mappings, unless the user didn't want this.
" The default mapping is registered, unless the user remapped it already.
if !exists("no_plugin_maps") && !exists("no_rst_table_maps")
if !hasmapto('CreateTable(')
noremap <silent> <leader><leader>c :call CreateTable()<CR>
endif
if !hasmapto('ReformatTable(')
noremap <silent> <leader><leader>f :call ReformatTable()<CR>
endif
endif
|
