dotfiles/vim/plugins/ultisnips/pythonx/UltiSnips/text_objects/_visual.py

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2018-04-05 13:06:54 +02:00
#!/usr/bin/env python
# encoding: utf-8
"""A ${VISUAL} placeholder that will use the text that was last visually
selected and insert it here.
If there was no text visually selected, this will be the empty string.
"""
import re
import textwrap
from UltiSnips import _vim
from UltiSnips.indent_util import IndentUtil
from UltiSnips.text_objects._transformation import TextObjectTransformation
from UltiSnips.text_objects._base import NoneditableTextObject
_REPLACE_NON_WS = re.compile(r"[^ \t]")
class Visual(NoneditableTextObject, TextObjectTransformation):
"""See module docstring."""
def __init__(self, parent, token):
# Find our containing snippet for visual_content
snippet = parent
while snippet:
try:
self._text = snippet.visual_content.text
self._mode = snippet.visual_content.mode
break
except AttributeError:
snippet = snippet._parent # pylint:disable=protected-access
if not self._text:
self._text = token.alternative_text
self._mode = 'v'
NoneditableTextObject.__init__(self, parent, token)
TextObjectTransformation.__init__(self, token)
def _update(self, done):
if self._mode == 'v': # Normal selection.
text = self._text
else: # Block selection or line selection.
text_before = _vim.buf[self.start.line][:self.start.col]
indent = _REPLACE_NON_WS.sub(' ', text_before)
iu = IndentUtil()
indent = iu.indent_to_spaces(indent)
indent = iu.spaces_to_indent(indent)
text = ''
for idx, line in enumerate(textwrap.dedent(
self._text).splitlines(True)):
if idx != 0:
text += indent
text += line
text = text[:-1] # Strip final '\n'
text = self._transform(text)
self.overwrite(text)
self._parent._del_child(self) # pylint:disable=protected-access
return True