def test_overlap_on_right(self):
older = self.make_spans([(7,9)])
newer = self.make_spans([(8,11)])
delta = span_list_delta.get_delta(newer, older)
self.assertEqual(delta['merge'], [{'new': [Span(8,11)],
'old': [Span(7,9)]}])
self.assertNull(delta, ['include', 'exclude', 'same', 'split', 'diff'])
def test_exclude_between(self): older = self.make_spans([(5,6)]) newer = self.make_spans([(1,4),(7,9)]) delta = span_list_delta.get_delta(newer, older) self.assertEqual(delta['include'], [Span(1,4), Span(7,9)]) self.assertEqual(delta['exclude'], [Span(5,6)]) self.assertNull(delta, ['same', 'merge', 'split', 'diff'])
def test_change_middle_others_same(self):
older = self.make_spans([(54,62),(103,111),(144,160)])
newer = self.make_spans([(54,62),(103,117),(144,160)])
delta = span_list_delta.get_delta(newer, older)
self.assertEqual(delta['merge'], [{'new': [Span(103,117)],
'old': [Span(103,111)]}])
self.assertEqual(delta['same'], [Span(54,62), Span(144,160)])
self.assertNull(delta, ['include', 'exclude', 'split', 'diff'])
def test_two_merges(self):
older = self.make_spans([(61,69),(76,84),(92,100),(107,115)])
newer = self.make_spans([(64,84),(92,112)])
delta = span_list_delta.get_delta(newer, older)
self.assertEqual(delta['merge'], [{'new': [Span(64,84)],
'old': [Span(61,69),Span(76,84)]},
{'new': [Span(92,112)],
'old': [Span(92,100),Span(107,115)]}])
self.assertNull(delta, ['include', 'exclude', 'same', 'split', 'diff'])
def test_overlap_multiple_old(self):
older = self.make_spans([(1,4),(5,8),(10,12),(14,19),(24,26)])
newer = self.make_spans([(7,16)])
delta = span_list_delta.get_delta(newer, older)
self.assertEqual(delta['merge'], [{'new': [Span(7,16)],
'old':
[Span(5,8), Span(10,12), Span(14,19)]}])
self.assertEqual(delta['exclude'], [Span(1,4), Span(24,26)])
self.assertNull(delta, ['include', 'same', 'split', 'diff'])
def make_spans(self, elems): return [Span(left, right) for (left, right) in elems]
def test_same_one(self): older = self.make_spans([(1,4)]) newer = self.make_spans([(1,4)]) delta = span_list_delta.get_delta(newer, older) self.assertEqual(delta['same'], [Span(1,4)]) self.assertNull(delta, ['include', 'exclude', 'merge', 'split', 'diff'])
def do_contents(self, height, width, markings, number_width, trial=False):
# For linked items, colour them to indicate it
# For labels, colour them always, and add beginning / end
# For freeform text, include it at the bottom
# Row and column indicate the position on the screen, while line and
# token indicate the position in the text.
first_span = None
last_span = None
row = -1
for line_no, line in enumerate(self.datum.doc.tokens):
# If this line is above the top of what we are shwoing, skip it
if line_no < self.top:
continue
if row >= height:
break
if first_span is None:
first_span = Span('character', self.datum.doc, (line_no, 0, 0))
# Set
row += 1
column = number_width
if (not trial) and column > 0:
self.window.addstr(row, 0, str(line_no),
curses.color_pair(LINE_NUMBER_COLOR))
for token_no, token in enumerate(line):
# Check if we are going on to the next line and adjust
# accordingly.
space_before = 1 if column > number_width else 0
wide_token = False
if column + len(token) + space_before > width:
if token_no != 0:
column = 0
row += 1
space_before = 0
else:
wide_token = True
# If this takes us off the screen, stop
if row >= height:
break
end_pos = len(token) - 1
if wide_token:
end_pos = width - column - space_before - 1
last_span = Span('character', self.datum.doc,
(line_no, token_no, end_pos))
for char_no, char in enumerate(token):
if column >= width:
column = 0
row += 1
if row >= height:
break
# Allow multiple layers of color, with the more specific
# domainating
if space_before > 0:
if not trial:
mark = []
if () in markings:
mark = markings[()]
if (line_no, ) in markings:
mark = markings[(line_no, )]
if (line_no, token_no, -1) in markings:
mark = markings[line_no, token_no, -1]
color = self.marking_to_color(mark)
self.window.addstr(row, column, ' ', color)
column += 1
space_before = 0
color = self.marking_to_color([])
if not trial:
mark = []
if () in markings:
mark = markings[()]
if (line_no, ) in markings:
mark = markings[(line_no, )]
if (line_no, token_no) in markings:
mark = markings[line_no, token_no]
if (line_no, token_no, char_no) in markings:
mark = markings[line_no, token_no, char_no]
color = self.marking_to_color(mark)
self.window.addstr(row, column, char, color)
column += 1
if row >= height:
break
# Tracks if we can see where we moved to
seen_last_moved_pos = True
if first_span is not None and last_span is not None:
if self.last_moved_pos is not None:
cmp_first = self.last_moved_pos.compare(first_span)
cmp_last = self.last_moved_pos.compare(last_span)
seen_last_moved_pos = cmp_first in span_compare_ge and \
cmp_last in span_compare_le
return seen_last_moved_pos