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# -*- coding: utf-8 -*-
"""
clint.textui.formatters
~~~~~~~~~~~~~~~~~~~~~~~
Core TextUI functionality for text formatting.
"""
from __future__ import absolute_import
from .colored import ColoredString, clean
from ..utils import tsplit, schunk
NEWLINES = ('\n', '\r', '\r\n')
def min_width(string, cols, padding=' '):
"""Returns given string with right padding."""
is_color = isinstance(string, ColoredString)
stack = tsplit(str(string), NEWLINES)
for i, substring in enumerate(stack):
_sub = clean(substring).ljust((cols + 0), padding)
if is_color:
_sub = (_sub.replace(clean(substring), substring))
stack[i] = _sub
return '\n'.join(stack)
def max_width(string, cols, separator='\n'):
"""Returns a freshly formatted
:param string: string to be formatted
:type string: basestring or clint.textui.colorred.ColoredString
:param cols: max width the text to be formatted
:type cols: int
:param separator: separator to break rows
:type separator: basestring
>>> formatters.max_width('123 5678', 8)
'123 5678'
>>> formatters.max_width('123 5678', 7)
'123 \n5678'
"""
is_color = isinstance(string, ColoredString)
if is_color:
string_copy = string._new('')
string = string.s
stack = tsplit(string, NEWLINES)
for i, substring in enumerate(stack):
stack[i] = substring.split()
_stack = []
for row in stack:
_row = ['',]
_row_i = 0
for word in row:
if (len(_row[_row_i]) + len(word)) <= cols:
_row[_row_i] += word
_row[_row_i] += ' '
elif len(word) > cols:
# ensure empty row
if len(_row[_row_i]):
_row[_row_i] = _row[_row_i].rstrip()
_row.append('')
_row_i += 1
chunks = schunk(word, cols)
for i, chunk in enumerate(chunks):
if not (i + 1) == len(chunks):
_row[_row_i] += chunk
_row[_row_i] = _row[_row_i].rstrip()
_row.append('')
_row_i += 1
else:
_row[_row_i] += chunk
_row[_row_i] += ' '
else:
_row[_row_i] = _row[_row_i].rstrip()
_row.append('')
_row_i += 1
_row[_row_i] += word
_row[_row_i] += ' '
else:
_row[_row_i] = _row[_row_i].rstrip()
_row = map(str, _row)
_stack.append(separator.join(_row))
_s = '\n'.join(_stack)
if is_color:
_s = string_copy._new(_s)
return _s
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