def _parse_hunk(diff, source_start, source_len, target_start, target_len):
hunk = Hunk(source_start, source_len, target_start, target_len)
modified = 0
deleting = 0
for line in diff:
valid_line = RE_HUNK_BODY_LINE.match(line)
if valid_line:
action = valid_line.group(0)
original_line = line[1:]
if action == LINE_TYPE_ADD:
hunk.append_added_line(original_line)
# modified lines == deleted immediately followed by added
if deleting > 0:
modified += 1
deleting -= 1
elif action == LINE_TYPE_DELETE:
hunk.append_deleted_line(original_line)
deleting += 1
elif action == LINE_TYPE_CONTEXT:
hunk.append_context_line(original_line)
hunk.add_to_modified_counter(modified)
# reset modified auxiliar variables
deleting = 0
modified = 0
else:
raise UnidiffParseException('Hunk diff data expected')
# check hunk len(old_lines) and len(new_lines) are ok
if hunk.is_valid():
break
return hunk
def _parse_hunk(diff, source_start, source_len, target_start, target_len):
hunk = Hunk(source_start, source_len, target_start, target_len)
modified = 0
deleting = 0
for line in diff:
valid_line = RE_HUNK_BODY_LINE.match(line)
if valid_line:
action = valid_line.group(0)
original_line = line[1:]
if action == '+':
hunk.append_added_line(original_line)
# modified lines == deleted immediately followed by added
if deleting > 0:
modified += 1
deleting -= 1
elif action == '-':
hunk.append_deleted_line(original_line)
deleting += 1
# If invoked with 'diff -u0 file_a_name file_b_name', then modified lines always keep to 0
# In theory, there can be combining only deleting lines and adding lines in diff files.
# 'diff -u0 file_a_name file_b_name' --> generate a unified diff whith no contexts
elif action == ' ':
hunk.append_context_line(original_line)
hunk.add_to_modified_counter(modified)
# reset modified auxiliar variables
deleting = 0
modified = 0
else:
raise UnidiffParseException('Hunk diff data expected')
# check hunk len(old_lines) and len(new_lines) are ok
if hunk.is_valid():
break
return hunk
def _parse_hunk(diff, source_start, source_len, target_start, target_len):
hunk = Hunk(source_start, source_len, target_start, target_len)
modified = 0
deleting = 0
for line in diff:
valid_line = RE_HUNK_BODY_LINE.match(line)
if valid_line:
action = valid_line.group(0)
original_line = line[1:]
if action == '+':
hunk.append_added_line(original_line)
# modified lines == deleted immediately followed by added
if deleting > 0:
modified += 1
deleting -= 1
elif action == '-':
hunk.append_deleted_line(original_line)
deleting += 1
elif action == ' ':
hunk.append_context_line(original_line)
hunk.add_to_modified_counter(modified)
# reset modified auxiliar variables
deleting = 0
modified = 0
else:
raise UnidiffParseException('Hunk diff data expected')
# check hunk len(old_lines) and len(new_lines) are ok
if hunk.is_valid():
break
return hunk