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# Pluma comment functions
# Copyright (C) 2019 Andrew Fowlie
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
def split_leading_space(txt):
"""
@returns Text split into leading spaces and content
"""
index = len(txt.lstrip())
spaces = txt[:-index]
content = txt[-index:]
return spaces, content
def toggle_line(line, comment="#", after_leading_space=True, comment_empty=False):
"""
@param line Line of text to toggle comments
@param comment String used for inline comments
@param after_leading_space Whether to comment after any leading white space
@param comment_empty Whether to comment empty lines
@returns Text with comments toggled
"""
if not comment_empty and not line.strip():
return line
spaces, content = split_leading_space(line)
if content.startswith(comment):
return "{}{}".format(spaces, content[len(comment):])
elif after_leading_space:
return "{}{}{}".format(spaces, comment, content)
else:
return "{}{}{}".format(comment, spaces, content)
def toggle_lines(lines, **kwargs):
"""
@param lines Multiple lines of text
@type lines str
@returns Text with comments toggled
"""
lines = [toggle_line(line, **kwargs) for line in lines.split("\n")]
return "\n".join(lines)
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