def _ConvertOldTable(self, i):
"""Detects and converts a sequence of markdown table lines.
This method will consume multiple input lines if the current line is a
table heading. The table markdown sequence is:
[...format="csv"...]
|====*
col-1-data-item,col-2-data-item...
...
<blank line ends table>
Args:
i: The current character index in self._line.
Returns:
-1 if the input lines are table markdown, i otherwise.
"""
if (self._line[0] != '[' or self._line[-1] != ']'
or 'format="csv"' not in self._line):
return i
line = self._ReadLine()
if not line:
return i
if not line.startswith('|===='):
self._PushBackLine(line)
return i
rows = []
while True:
self._buf = self._ReadLine()
if not self._buf:
break
self._buf = self._buf.rstrip()
if self._buf.startswith('|===='):
break
rows.append(self._Attributes().split(','))
self._buf = ''
table = renderer.TableAttributes()
if len(rows) > 1:
for label in rows[0]:
table.AddColumn(label=label)
rows = rows[1:]
if table.columns and rows:
self._renderer.Table(table, rows)
return -1
def _ConvertTable(self, i):
"""Detects and converts a sequence of markdown table lines.
Markdown attributes are not supported in headings or column data.
This method will consume multiple input lines if the current line is a
table heading or separator line. The table markdown sequence is:
heading line
heading-1 | ... | heading-n
OR for boxed table
| heading-1 | ... | heading-n |
separator line
--- | ... | ---
OR for boxed table
| --- | ... | --- |
WHERE
:--- align left
:---: align center
---: align right
----* length >= fixed_width_length sets column fixed width
row data lines
col-1-data-item | ... | col-n-data-item
...
blank line ends table
Args:
i: The current character index in self._line.
Returns:
-1 if the input lines are table markdown, i otherwise.
"""
fixed_width_length = 8
if ' | ' not in self._line:
return self._ConvertOldTable(i)
if '---' in self._line:
head = False
line = self._line
else:
head = True
line = self._ReadLine()
if not line or '---' not in line:
if line is not self._line:
self._PushBackLine(line)
return self._ConvertOldTable(i)
# Parse the heading and separator lines.
box = False
if head:
heading = re.split(r' *\| *', self._line.strip())
if not heading[0] and not heading[-1]:
heading = heading[1:-1]
box = True
else:
heading = []
sep = re.split(r' *\| *', line.strip())
if not sep[0] and not sep[-1]:
sep = sep[1:-1]
box = True
if heading and len(heading) != len(sep):
if line is not self._line:
self._PushBackLine(line)
return self._ConvertOldTable(i)
# Committed to table markdown now.
table = renderer.TableAttributes(box=box)
# Determine the column attributes.
for index in range(len(sep)):
align = 'left'
s = sep[index]
if s.startswith(':'):
if s.endswith(':'):
align = 'center'
elif s.endswith(':'):
align = 'right'
label = heading[index] if index < len(heading) else None
width = len(s) if len(s) >= fixed_width_length else 0
table.AddColumn(align=align, label=label, width=width)
# Collect the column data by rows. Blank or + line terminates the data.
rows = []
while True:
line = self._ReadLine()
if line in (None, '', '\n', '+\n'):
self._PushBackLine(line)
break
row = re.split(r' *\| *', line.rstrip())
rows.append(row)
if rows:
self._renderer.Table(table, rows)
self._buf = ''
return -1
