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