1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
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
|
