def _PreviousIdentifier(min_num_completion_start_chars, request_data):
line_num = request_data['line_num'] - 1
column_num = request_data['column_num'] - 1
filepath = request_data['filepath']
contents_per_line = (
request_data['file_data'][filepath]['contents'].split('\n'))
line = contents_per_line[line_num]
end_column = column_num
while end_column > 0 and not utils.IsIdentifierChar(line[end_column - 1]):
end_column -= 1
# Look at the previous line if we reached the end of the current one
if end_column == 0:
try:
line = contents_per_line[line_num - 1]
except:
return ""
end_column = len(line)
while end_column > 0 and not utils.IsIdentifierChar(
line[end_column - 1]):
end_column -= 1
start_column = end_column
while start_column > 0 and utils.IsIdentifierChar(line[start_column - 1]):
start_column -= 1
if end_column - start_column < min_num_completion_start_chars:
return ""
return line[start_column:end_column]
def CurrentIdentifierFinished():
current_column = vimsupport.CurrentColumn()
previous_char_index = current_column - 1
if previous_char_index < 0:
return True
line = vim.current.line
try:
previous_char = line[previous_char_index]
except IndexError:
return False
if utils.IsIdentifierChar(previous_char):
return False
if (not utils.IsIdentifierChar(previous_char) and previous_char_index > 0
and utils.IsIdentifierChar(line[previous_char_index - 1])):
return True
else:
return line[:current_column].isspace()
def LastEnteredCharIsIdentifierChar():
current_column = vimsupport.CurrentColumn()
previous_char_index = current_column - 1
if previous_char_index < 0:
return False
line = vim.current.line
try:
previous_char = line[previous_char_index]
except IndexError:
return False
return utils.IsIdentifierChar(previous_char)
def CompletionStartColumn():
"""Returns the 0-based index where the completion string should start. So if
the user enters:
foo.bar^
with the cursor being at the location of the caret, then the starting column
would be the index of the letter 'b'.
"""
line = vim.current.line
start_column = vimsupport.CurrentColumn()
while start_column > 0 and utils.IsIdentifierChar(line[start_column - 1]):
start_column -= 1
return start_column
def FindIdentifierEnd(line, valid_char_column):
identifier_end = valid_char_column
while identifier_end < len(line) - 1 and utils.IsIdentifierChar(
line[identifier_end + 1]):
identifier_end += 1
return identifier_end + 1
def FindIdentifierStart(line, valid_char_column):
identifier_start = valid_char_column
while identifier_start > 0 and utils.IsIdentifierChar(
line[identifier_start - 1]):
identifier_start -= 1
return identifier_start
def FindFirstValidChar(line, column):
current_column = column
while not utils.IsIdentifierChar(line[current_column]):
current_column += 1
return current_column