def partition_raw_range(range):
"""takes a text range and breaks it up into its constituents:
/foo/+10;$-15
...would yield...
left: /foo/
left_offset: +10
separator: ;
right: $
right_offset: -15
"""
# At this point we can be sure that ``range`` is a valid prefix range.
# ``EX_PREFIX_RANGE`` won't match correctly here because the suffixed
# command has been stripped, so we use ``EX_STANDALONE_RANGE`` instead.
# parts = EX_PREFIX_RANGE.search(range).groupdict()
parts = EX_STANDALONE_RANGE.search(range).groupdict()
if parts['incomplete']:
return EX_RANGE(
left=parts['inc_laddress'] or '.',
left_offset=parts['inc_loffset'] or '0',
separator=parts['suf_alt_separator']
or parts['pref_alt_separator'],
right=parts['inc_raddress'] or '.',
right_offset=parts['inc_loffset'] or '0',
)
return EX_RANGE(left=parts['laddress'],
left_offset=parts['loffset'] or '0',
separator=parts['separator'],
right=parts['raddress'],
right_offset=parts['roffset'] or '0')
def partition_raw_range(range):
"""takes a text range and breaks it up into its constituents:
/foo/+10;$-15
...would yield...
left: /foo/
left_offset: +10
separator: ;
right: $
right_offset: -15
"""
# At this point we can be sure that ``range`` is a valid prefix range.
# ``EX_PREFIX_RANGE`` won't match correctly here because the suffixed
# command has been stripped, so we use ``EX_STANDALONE_RANGE`` instead.
# parts = EX_PREFIX_RANGE.search(range).groupdict()
parts = EX_STANDALONE_RANGE.search(range).groupdict()
if parts['incomplete']:
return EX_RANGE(
left=parts['inc_laddress'] or '.',
left_offset=parts['inc_loffset'] or '0',
separator=parts['suf_alt_separator'] or parts['pref_alt_separator'],
right=parts['inc_raddress'] or '.',
right_offset=parts['inc_loffset'] or '0',
)
return EX_RANGE(
left=parts['laddress'],
left_offset=parts['loffset'] or '0',
separator=parts['separator'],
right=parts['raddress'],
right_offset=parts['roffset'] or '0'
)
def partition_raw_only_range(range):
parts = EX_STANDALONE_RANGE.search(range).groupdict()
if parts['openended']:
return EX_RANGE(left=parts['openended'],
left_offset='0',
separator='',
right='',
right_offset='0')
elif parts['incomplete']:
return EX_RANGE(
left=parts['inc_laddress'] or '.',
left_offset=parts['inc_loffset'] or '0',
separator=parts['suf_alt_separator']
or parts['pref_alt_separator'],
right=parts['inc_raddress'] or '.',
right_offset=parts['inc_loffset'] or '0',
)
else:
return EX_RANGE(
left=parts['laddress'],
left_offset=parts['loffset'] or '0',
separator=parts['separator'],
right=parts['raddress'],
right_offset=parts['roffset'] or '0',
)
def partition_raw_only_range(range):
parts = EX_STANDALONE_RANGE.search(range).groupdict()
if parts['openended']:
return EX_RANGE(
left=parts['openended'],
left_offset='0',
separator='',
right='',
right_offset='0'
)
elif parts['incomplete']:
return EX_RANGE(
left=parts['inc_laddress'] or '.',
left_offset=parts['inc_loffset'] or '0',
separator=parts['suf_alt_separator'] or parts['pref_alt_separator'],
right=parts['inc_raddress'] or '.',
right_offset=parts['inc_loffset'] or '0',
)
else:
return EX_RANGE(
left=parts['laddress'],
left_offset=parts['loffset'] or '0',
separator=parts['separator'],
right=parts['raddress'],
right_offset=parts['roffset'] or '0',
)
