def _auto_import(self):
helper = TextHelper(self.editor)
name = helper.word_under_cursor(select_whole_word=True).selectedText()
if name:
import_stmt = 'import %s' % name
else:
import_stmt = ''
import_stmt, status = QtWidgets.QInputDialog.getText(
self.editor, _('Add import'), _('Import statement:'),
QtWidgets.QLineEdit.Normal, import_stmt)
if status:
sh = self.editor.syntax_highlighter
line_number = sh.import_statements[0].blockNumber()
for stmt in sh.import_statements:
if stmt.text() == import_stmt:
# same import already exists
return
l, c = helper.cursor_position()
cursor = helper.goto_line(line_number)
cursor.insertText(import_stmt + '\n')
helper.goto_line(l + 1, c)
def _auto_import(self):
helper = TextHelper(self.editor)
name = helper.word_under_cursor(select_whole_word=True).selectedText()
if name:
import_stmt = 'import %s' % name
else:
import_stmt = ''
import_stmt, status = QtWidgets.QInputDialog.getText(
self.editor, _('Add import'), _('Import statement:'),
QtWidgets.QLineEdit.Normal, import_stmt)
if status:
sh = self.editor.syntax_highlighter
line_number = sh.import_statements[0].blockNumber()
for stmt in sh.import_statements:
if stmt.text() == import_stmt:
# same import already exists
return
l, c = helper.cursor_position()
cursor = helper.goto_line(line_number)
cursor.insertText(import_stmt + '\n')
helper.goto_line(l + 1, c)
class PyAutoIndentMode(AutoIndentMode):
""" Automatically indents text, respecting the PEP8 conventions.
Customised :class:`pyqode.core.modes.AutoIndentMode` for python
that tries its best to follow the pep8 indentation guidelines.
"""
def __init__(self):
super(PyAutoIndentMode, self).__init__()
self._helper = None
def on_install(self, editor):
super(PyAutoIndentMode, self).on_install(editor)
self._helper = TextHelper(editor)
def _get_indent(self, cursor):
ln, column = self._helper.cursor_position()
fullline = self._get_full_line(cursor)
line = fullline[:column]
pre, post = AutoIndentMode._get_indent(self, cursor)
if self._at_block_start(cursor, line):
return pre, post
# return pressed in comments
c2 = QTextCursor(cursor)
if c2.atBlockEnd():
c2.movePosition(c2.Left)
if (self._helper.is_comment_or_string(c2,
formats=['comment', 'docstring'])
or fullline.endswith('"""')):
if line.strip().startswith("#") and column != len(fullline):
post += '# '
return pre, post
# between parens
elif self._between_paren(cursor, column):
return self._handle_indent_between_paren(column, line, (pre, post),
cursor)
else:
lastword = self._get_last_word(cursor)
lastwordu = self._get_last_word_unstripped(cursor)
in_string_def, char = self._is_in_string_def(fullline, column)
if in_string_def:
post, pre = self._handle_indent_inside_string(
char, cursor, fullline, post)
elif (fullline.rstrip().endswith(":")
and lastword.rstrip().endswith(':')
and self._at_block_end(cursor, fullline)):
post = self._handle_new_scope_indentation(cursor, fullline)
elif line.endswith("\\"):
# if user typed \ and press enter -> indent is always
# one level higher
post += self.editor.tab_length * " "
elif (fullline.endswith((')', '}', ']')) and lastword.endswith(
(')', '}', ']'))):
post = self._handle_indent_after_paren(cursor, post)
elif ("\\" not in fullline and "#" not in fullline
and not self._at_block_end(cursor, fullline)):
post, pre = self._handle_indent_in_statement(
fullline, lastwordu, post, pre)
elif ((self._at_block_end(cursor, fullline)
and fullline.strip().startswith('return '))
or lastword == "pass"):
post = post[:-self.editor.tab_length]
return pre, post
@staticmethod
def _is_in_string_def(full_line, column):
count = 0
char = "'"
for i in range(len(full_line)):
if full_line[i] == "'" or full_line[i] == '"':
count += 1
if full_line[i] == '"' and i < column:
char = '"'
count_after_col = 0
for i in range(column, len(full_line)):
if full_line[i] == "'" or full_line[i] == '"':
count_after_col += 1
return count % 2 == 0 and count_after_col % 2 == 1, char
@staticmethod
def _is_paren_open(paren):
return (paren.character == "(" or paren.character == "["
or paren.character == '{')
@staticmethod
def _is_paren_closed(paren):
return (paren.character == ")" or paren.character == "]"
or paren.character == '}')
@staticmethod
def _get_full_line(tc):
tc2 = QTextCursor(tc)
tc2.select(QTextCursor.LineUnderCursor)
full_line = tc2.selectedText()
return full_line
def _parens_count_for_block(self, col, block):
open_p = []
closed_p = []
lists = get_block_symbol_data(self.editor, block)
for symbols in lists:
for paren in symbols:
if paren.position >= col:
continue
if self._is_paren_open(paren):
if not col:
return -1, -1, [], []
open_p.append(paren)
if self._is_paren_closed(paren):
closed_p.append(paren)
return len(open_p), len(closed_p), open_p, closed_p
def _between_paren(self, tc, col):
try:
self.editor.modes.get('SymbolMatcherMode')
except KeyError:
return False
block = tc.block()
nb_open = nb_closed = 0
while block.isValid() and block.text().strip():
o, c, _, _ = self._parens_count_for_block(col, block)
nb_open += o
nb_closed += c
block = block.previous()
col = len(block.text())
return nb_open > nb_closed
@staticmethod
def _get_last_word(tc):
tc2 = QTextCursor(tc)
tc2.movePosition(QTextCursor.Left, tc.KeepAnchor, 1)
tc2.movePosition(QTextCursor.WordLeft, tc.KeepAnchor)
return tc2.selectedText().strip()
@staticmethod
def _get_last_word_unstripped(tc):
tc2 = QTextCursor(tc)
tc2.movePosition(QTextCursor.Left, tc.KeepAnchor, 1)
tc2.movePosition(QTextCursor.WordLeft, tc.KeepAnchor)
return tc2.selectedText()
def _get_indent_of_opening_paren(self, tc):
tc.movePosition(tc.Left, tc.KeepAnchor)
char = tc.selectedText()
tc.movePosition(tc.Right, tc.MoveAnchor)
mapping = {')': (OPEN, PAREN), ']': (OPEN, SQUARE), '}': (OPEN, BRACE)}
try:
character, char_type = mapping[char]
except KeyError:
return None
else:
ol, oc = self.editor.modes.get(SymbolMatcherMode).symbol_pos(
tc, character, char_type)
line = self._helper.line_text(ol)
return len(line) - len(line.lstrip())
def _get_first_open_paren(self, tc, column):
pos = None
char = None
ln = tc.blockNumber()
tc_trav = QTextCursor(tc)
mapping = {
'(': (CLOSE, PAREN),
'[': (CLOSE, SQUARE),
'{': (CLOSE, BRACE)
}
while ln >= 0 and tc.block().text().strip():
tc_trav.movePosition(tc_trav.StartOfLine, tc_trav.MoveAnchor)
lists = get_block_symbol_data(self.editor, tc_trav.block())
all_symbols = []
for symbols in lists:
all_symbols += [s for s in symbols]
symbols = sorted(all_symbols, key=lambda x: x.position)
for paren in reversed(symbols):
if paren.position < column:
if self._is_paren_open(paren):
if paren.position > column:
continue
else:
pos = tc_trav.position() + paren.position
char = paren.character
# ensure it does not have a closing paren on
# the same line
tc3 = QTextCursor(tc)
tc3.setPosition(pos)
try:
ch, ch_type = mapping[paren.character]
l, c = self.editor.modes.get(
SymbolMatcherMode).symbol_pos(
tc3, ch, ch_type)
except KeyError:
continue
if l == ln and c < column:
continue
return pos, char
# check previous line
tc_trav.movePosition(tc_trav.Up, tc_trav.MoveAnchor)
ln = tc_trav.blockNumber()
column = len(self._helper.line_text(ln))
return pos, char
def _get_paren_pos(self, tc, column):
pos, char = self._get_first_open_paren(tc, column)
mapping = {'(': PAREN, '[': SQUARE, '{': BRACE}
tc2 = QTextCursor(tc)
tc2.setPosition(pos)
import sys
ol, oc = self.editor.modes.get(SymbolMatcherMode).symbol_pos(
tc2, OPEN, mapping[char])
cl, cc = self.editor.modes.get(SymbolMatcherMode).symbol_pos(
tc2, CLOSE, mapping[char])
return (ol, oc), (cl, cc)
@staticmethod
def _get_next_char(tc):
tc2 = QTextCursor(tc)
tc2.movePosition(QTextCursor.NextCharacter, QTextCursor.KeepAnchor)
char = tc2.selectedText()
return char
@staticmethod
def _get_prev_char(tc):
tc2 = QTextCursor(tc)
tc2.movePosition(QTextCursor.PreviousCharacter, QTextCursor.KeepAnchor)
char = tc2.selectedText()
while char == ' ':
tc2.movePosition(QTextCursor.PreviousCharacter,
QTextCursor.KeepAnchor)
char = tc2.selectedText()
return char.strip()
def _handle_indent_between_paren(self, column, line, parent_impl, tc):
"""
Handle indent between symbols such as parenthesis, braces,...
"""
pre, post = parent_impl
next_char = self._get_next_char(tc)
prev_char = self._get_prev_char(tc)
prev_open = prev_char in ['[', '(', '{']
next_close = next_char in [']', ')', '}']
(open_line, open_symbol_col), (close_line, close_col) = \
self._get_paren_pos(tc, column)
open_line_txt = self._helper.line_text(open_line)
open_line_indent = len(open_line_txt) - len(open_line_txt.lstrip())
if prev_open:
post = (open_line_indent + self.editor.tab_length) * ' '
elif next_close and prev_char != ',':
post = open_line_indent * ' '
elif tc.block().blockNumber() == open_line:
post = open_symbol_col * ' '
# adapt indent if cursor on closing line and next line have same
# indent -> PEP8 compliance
if close_line and close_col:
txt = self._helper.line_text(close_line)
bn = tc.block().blockNumber()
flg = bn == close_line
next_indent = self._helper.line_indent(bn + 1) * ' '
if flg and txt.strip().endswith(':') and next_indent == post:
# | look at how the previous line ( ``':'):`` ) was
# over-indented, this is actually what we are trying to
# achieve here
post += self.editor.tab_length * ' '
# breaking string
if next_char in ['"', "'"]:
tc.movePosition(tc.Left)
is_string = self._helper.is_comment_or_string(tc, formats=['string'])
if next_char in ['"', "'"]:
tc.movePosition(tc.Right)
if is_string:
trav = QTextCursor(tc)
while self._helper.is_comment_or_string(trav, formats=['string']):
trav.movePosition(trav.Left)
trav.movePosition(trav.Right)
symbol = '%s' % self._get_next_char(trav)
pre += symbol
post += symbol
return pre, post
@staticmethod
def _at_block_start(tc, line):
"""
Improve QTextCursor.atBlockStart to ignore spaces
"""
if tc.atBlockStart():
return True
column = tc.columnNumber()
indentation = len(line) - len(line.lstrip())
return column <= indentation
@staticmethod
def _at_block_end(tc, fullline):
if tc.atBlockEnd():
return True
column = tc.columnNumber()
return column >= len(fullline.rstrip()) - 1
def _handle_indent_inside_string(self, char, cursor, fullline, post):
# break string with a '\' at the end of the original line, always
# breaking strings enclosed by parens is done in the
# _handle_between_paren method
n = self.editor.tab_length
pre = '%s \\' % char
post += n * ' '
if fullline.endswith(':'):
post += n * " "
post += char
return post, pre
def _handle_new_scope_indentation(self, cursor, fullline):
try:
indent = (self._get_indent_of_opening_paren(cursor) +
self.editor.tab_length)
post = indent * " "
except TypeError:
# e.g indent is None (meaning the line does not ends with ):, ]:
# or }:
kw = [
"if", "class", "def", "while", "for", "else", "elif", "except",
"finally", "try"
]
l = fullline
ln = cursor.blockNumber()
def check_kw_in_line(kwds, lparam):
for kwd in kwds:
if kwd in lparam:
return True
return False
while not check_kw_in_line(kw, l) and ln:
ln -= 1
l = self._helper.line_text(ln)
indent = (len(l) - len(l.lstrip())) * " "
indent += self.editor.tab_length * " "
post = indent
return post
def _handle_indent_after_paren(self, cursor, post):
indent = self._get_indent_of_opening_paren(cursor)
if indent is not None:
post = indent * " "
return post
def _handle_indent_in_statement(self, fullline, lastword, post, pre):
if lastword and lastword[-1] != " ":
pre += " \\"
else:
pre += '\\'
post += self.editor.tab_length * " "
if fullline.endswith(':'):
post += self.editor.tab_length * " "
return post, pre
class PyAutoIndentMode(AutoIndentMode):
""" Automatically indents text, respecting the PEP8 conventions.
Customised :class:`pyqode.core.modes.AutoIndentMode` for python
that tries its best to follow the pep8 indentation guidelines.
"""
def __init__(self):
super(PyAutoIndentMode, self).__init__()
self._helper = None
def on_install(self, editor):
super(PyAutoIndentMode, self).on_install(editor)
self._helper = TextHelper(editor)
def _get_indent(self, cursor):
ln, column = self._helper.cursor_position()
fullline = self._get_full_line(cursor)
line = fullline[:column]
pre, post = AutoIndentMode._get_indent(self, cursor)
if self._at_block_start(cursor, line):
return pre, post
# return pressed in comments
c2 = QTextCursor(cursor)
if c2.atBlockEnd():
c2.movePosition(c2.Left)
if (self._helper.is_comment_or_string(
c2, formats=['comment', 'docstring']) or
fullline.endswith('"""')):
if line.strip().startswith("#") and column != len(fullline):
post += '# '
return pre, post
# between parens
elif self._between_paren(cursor, column):
return self._handle_indent_between_paren(
column, line, (pre, post), cursor)
else:
lastword = self._get_last_word(cursor)
lastwordu = self._get_last_word_unstripped(cursor)
in_string_def, char = self._is_in_string_def(fullline, column)
if in_string_def:
post, pre = self._handle_indent_inside_string(
char, cursor, fullline, post)
elif (fullline.rstrip().endswith(":") and
lastword.rstrip().endswith(':') and
self._at_block_end(cursor, fullline)):
post = self._handle_new_scope_indentation(
cursor, fullline)
elif line.endswith("\\"):
# if user typed \ and press enter -> indent is always
# one level higher
post += self.editor.tab_length * " "
elif (fullline.endswith((')', '}', ']')) and
lastword.endswith((')', '}', ']'))):
post = self._handle_indent_after_paren(cursor, post)
elif ("\\" not in fullline and "#" not in fullline and
not self._at_block_end(cursor, fullline)):
post, pre = self._handle_indent_in_statement(
fullline, lastwordu, post, pre)
elif ((self._at_block_end(cursor, fullline) and
fullline.strip().startswith('return ')) or
lastword == "pass"):
post = post[:-self.editor.tab_length]
return pre, post
@staticmethod
def _is_in_string_def(full_line, column):
count = 0
char = "'"
for i in range(len(full_line)):
if full_line[i] == "'" or full_line[i] == '"':
count += 1
if full_line[i] == '"' and i < column:
char = '"'
count_after_col = 0
for i in range(column, len(full_line)):
if full_line[i] == "'" or full_line[i] == '"':
count_after_col += 1
return count % 2 == 0 and count_after_col % 2 == 1, char
@staticmethod
def _is_paren_open(paren):
return (paren.character == "(" or paren.character == "["
or paren.character == '{')
@staticmethod
def _is_paren_closed(paren):
return (paren.character == ")" or paren.character == "]"
or paren.character == '}')
@staticmethod
def _get_full_line(tc):
tc2 = QTextCursor(tc)
tc2.select(QTextCursor.LineUnderCursor)
full_line = tc2.selectedText()
return full_line
def _parens_count_for_block(self, col, block):
open_p = []
closed_p = []
lists = get_block_symbol_data(self.editor, block)
for symbols in lists:
for paren in symbols:
if paren.position >= col:
continue
if self._is_paren_open(paren):
if not col:
return -1, -1, [], []
open_p.append(paren)
if self._is_paren_closed(paren):
closed_p.append(paren)
return len(open_p), len(closed_p), open_p, closed_p
def _between_paren(self, tc, col):
try:
self.editor.modes.get('SymbolMatcherMode')
except KeyError:
return False
block = tc.block()
nb_open = nb_closed = 0
while block.isValid() and block.text().strip():
o, c, _, _ = self._parens_count_for_block(col, block)
nb_open += o
nb_closed += c
block = block.previous()
col = len(block.text())
return nb_open > nb_closed
@staticmethod
def _get_last_word(tc):
tc2 = QTextCursor(tc)
tc2.movePosition(QTextCursor.Left, tc.KeepAnchor, 1)
tc2.movePosition(QTextCursor.WordLeft, tc.KeepAnchor)
return tc2.selectedText().strip()
@staticmethod
def _get_last_word_unstripped(tc):
tc2 = QTextCursor(tc)
tc2.movePosition(QTextCursor.Left, tc.KeepAnchor, 1)
tc2.movePosition(QTextCursor.WordLeft, tc.KeepAnchor)
return tc2.selectedText()
def _get_indent_of_opening_paren(self, tc):
tc.movePosition(tc.Left, tc.KeepAnchor)
char = tc.selectedText()
tc.movePosition(tc.Right, tc.MoveAnchor)
mapping = {
')': (OPEN, PAREN),
']': (OPEN, SQUARE),
'}': (OPEN, BRACE)
}
try:
character, char_type = mapping[char]
except KeyError:
return None
else:
ol, oc = self.editor.modes.get(SymbolMatcherMode).symbol_pos(
tc, character, char_type)
line = self._helper.line_text(ol)
return len(line) - len(line.lstrip())
def _get_first_open_paren(self, tc, column):
pos = None
char = None
ln = tc.blockNumber()
tc_trav = QTextCursor(tc)
mapping = {
'(': (CLOSE, PAREN),
'[': (CLOSE, SQUARE),
'{': (CLOSE, BRACE)
}
while ln >= 0 and tc.block().text().strip():
tc_trav.movePosition(tc_trav.StartOfLine, tc_trav.MoveAnchor)
lists = get_block_symbol_data(self.editor, tc_trav.block())
all_symbols = []
for symbols in lists:
all_symbols += [s for s in symbols]
symbols = sorted(all_symbols, key=lambda x: x.position)
for paren in reversed(symbols):
if paren.position < column:
if self._is_paren_open(paren):
if paren.position > column:
continue
else:
pos = tc_trav.position() + paren.position
char = paren.character
# ensure it does not have a closing paren on
# the same line
tc3 = QTextCursor(tc)
tc3.setPosition(pos)
try:
ch, ch_type = mapping[paren.character]
l, c = self.editor.modes.get(
SymbolMatcherMode).symbol_pos(
tc3, ch, ch_type)
except KeyError:
continue
if l == ln and c < column:
continue
return pos, char
# check previous line
tc_trav.movePosition(tc_trav.Up, tc_trav.MoveAnchor)
ln = tc_trav.blockNumber()
column = len(self._helper.line_text(ln))
return pos, char
def _get_paren_pos(self, tc, column):
pos, char = self._get_first_open_paren(tc, column)
mapping = {'(': PAREN, '[': SQUARE, '{': BRACE}
tc2 = QTextCursor(tc)
tc2.setPosition(pos)
import sys
ol, oc = self.editor.modes.get(SymbolMatcherMode).symbol_pos(
tc2, OPEN, mapping[char])
cl, cc = self.editor.modes.get(SymbolMatcherMode).symbol_pos(
tc2, CLOSE, mapping[char])
return (ol, oc), (cl, cc)
@staticmethod
def _get_next_char(tc):
tc2 = QTextCursor(tc)
tc2.movePosition(QTextCursor.NextCharacter, QTextCursor.KeepAnchor)
char = tc2.selectedText()
return char
@staticmethod
def _get_prev_char(tc):
tc2 = QTextCursor(tc)
tc2.movePosition(QTextCursor.PreviousCharacter, QTextCursor.KeepAnchor)
char = tc2.selectedText()
while char == ' ':
tc2.movePosition(QTextCursor.PreviousCharacter, QTextCursor.KeepAnchor)
char = tc2.selectedText()
return char.strip()
def _handle_indent_between_paren(self, column, line, parent_impl, tc):
"""
Handle indent between symbols such as parenthesis, braces,...
"""
pre, post = parent_impl
next_char = self._get_next_char(tc)
prev_char = self._get_prev_char(tc)
prev_open = prev_char in ['[', '(', '{']
next_close = next_char in [']', ')', '}']
(open_line, open_symbol_col), (close_line, close_col) = \
self._get_paren_pos(tc, column)
open_line_txt = self._helper.line_text(open_line)
open_line_indent = len(open_line_txt) - len(open_line_txt.lstrip())
if prev_open:
post = (open_line_indent + self.editor.tab_length) * ' '
elif next_close and prev_char != ',':
post = open_line_indent * ' '
elif tc.block().blockNumber() == open_line:
post = open_symbol_col * ' '
# adapt indent if cursor on closing line and next line have same
# indent -> PEP8 compliance
if close_line and close_col:
txt = self._helper.line_text(close_line)
bn = tc.block().blockNumber()
flg = bn == close_line
next_indent = self._helper.line_indent(bn + 1) * ' '
if flg and txt.strip().endswith(':') and next_indent == post:
# | look at how the previous line ( ``':'):`` ) was
# over-indented, this is actually what we are trying to
# achieve here
post += self.editor.tab_length * ' '
# breaking string
if next_char in ['"', "'"]:
tc.movePosition(tc.Left)
is_string = self._helper.is_comment_or_string(tc, formats=['string'])
if next_char in ['"', "'"]:
tc.movePosition(tc.Right)
if is_string:
trav = QTextCursor(tc)
while self._helper.is_comment_or_string(
trav, formats=['string']):
trav.movePosition(trav.Left)
trav.movePosition(trav.Right)
symbol = '%s' % self._get_next_char(trav)
pre += symbol
post += symbol
return pre, post
@staticmethod
def _at_block_start(tc, line):
"""
Improve QTextCursor.atBlockStart to ignore spaces
"""
if tc.atBlockStart():
return True
column = tc.columnNumber()
indentation = len(line) - len(line.lstrip())
return column <= indentation
@staticmethod
def _at_block_end(tc, fullline):
if tc.atBlockEnd():
return True
column = tc.columnNumber()
return column >= len(fullline.rstrip()) - 1
def _handle_indent_inside_string(self, char, cursor, fullline, post):
# break string with a '\' at the end of the original line, always
# breaking strings enclosed by parens is done in the
# _handle_between_paren method
n = self.editor.tab_length
pre = '%s \\' % char
post += n * ' '
if fullline.endswith(':'):
post += n * " "
post += char
return post, pre
def _handle_new_scope_indentation(self, cursor, fullline):
try:
indent = (self._get_indent_of_opening_paren(cursor) +
self.editor.tab_length)
post = indent * " "
except TypeError:
# e.g indent is None (meaning the line does not ends with ):, ]:
# or }:
kw = ["if", "class", "def", "while", "for", "else", "elif",
"except", "finally", "try"]
l = fullline
ln = cursor.blockNumber()
def check_kw_in_line(kwds, lparam):
for kwd in kwds:
if kwd in lparam:
return True
return False
while not check_kw_in_line(kw, l) and ln:
ln -= 1
l = self._helper.line_text(ln)
indent = (len(l) - len(l.lstrip())) * " "
indent += self.editor.tab_length * " "
post = indent
return post
def _handle_indent_after_paren(self, cursor, post):
indent = self._get_indent_of_opening_paren(cursor)
if indent is not None:
post = indent * " "
return post
def _handle_indent_in_statement(self, fullline, lastword, post, pre):
if lastword and lastword[-1] != " ":
pre += " \\"
else:
pre += '\\'
post += self.editor.tab_length * " "
if fullline.endswith(':'):
post += self.editor.tab_length * " "
return post, pre
class PyAutoIndentMode(AutoIndentMode):
"""
Customised :class:`pyqode.core.modes.AutoIndentMode` for python
that tries its best to follow the pep8 indentation guidelines.
"""
def __init__(self):
super(PyAutoIndentMode, self).__init__()
def on_install(self, editor):
super().on_install(editor)
self._helper = TextHelper(editor)
def has_two_empty_line_before(self, tc):
ln = tc.blockNumber()
limit = ln - 1
while ln > limit:
if self._helper.line_text(ln).strip() != "":
return False
ln -= 1
return True
def has_unclosed_paren(self, tc):
ln = tc.blockNumber()
while ln >= 0:
line = self._helper.line_text(ln)
if line.count("(") > line.count(")"):
return True
ln -= 1
return False
def is_in_string_def(self, full_line, column):
count = 0
char = "'"
for i in range(len(full_line)):
if full_line[i] == "'" or full_line[i] == '"':
count += 1
if full_line[i] == '"' and i < column:
char = '"'
count_after_col = 0
for i in range(column, len(full_line)):
if full_line[i] == "'" or full_line[i] == '"':
count_after_col += 1
return count % 2 == 0 and count_after_col % 2 == 1, char
def is_paren_open(self, paren):
return (paren.character == "(" or paren.character == "["
or paren.character == '{')
def is_paren_closed(self, paren):
return (paren.character == ")" or paren.character == "]"
or paren.character == '}')
def get_full_line(self, tc):
tc2 = QTextCursor(tc)
tc2.select(QTextCursor.LineUnderCursor)
full_line = tc2.selectedText()
return full_line
def parens_count_for_block(self, col, block):
data = block.userData()
nb_open = 0
nb_closed = 0
lists = [data.parentheses, data.braces, data.square_brackets]
for symbols in lists:
for paren in symbols:
if self.is_paren_open(paren):
if not col:
return -1, -1
nb_open += 1
if paren.position >= col and self.is_paren_closed(paren):
nb_closed += 1
return nb_closed, nb_open
def between_paren(self, tc, col):
nb_closed, nb_open = self.parens_count_for_block(col, tc.block())
block = tc.block().next()
while nb_open == nb_closed == 0 and block.isValid():
nb_closed, nb_open = self.parens_count_for_block(nb_open, block)
block = block.next()
# if not, is there an non closed paren on the next lines.
parens = {'(': 0, '{': 0, '[': 0}
matching = {')': '(', '}': '{', ']': '['}
rparens = {')': 0, '}': 0, ']': 0}
rmatching = {'(': ')', '{': '}', '[': ']'}
if nb_open != nb_closed:
# look down
if nb_open > nb_closed:
operation = self._next_block
down = True
else:
operation = self._prev_block
down = False
block = tc.block()
# block = operation(tc.block())
offset = col
while block.isValid():
data = block.userData()
lists = [data.parentheses, data.braces, data.square_brackets]
for symbols in lists:
for paren in symbols:
if paren.position < offset and down:
continue
if paren.position >= offset and not down:
continue
if self.is_paren_open(paren):
parens[paren.character] += 1
rparens[rmatching[paren.character]] -= 1
if (operation == self._prev_block and
rparens[rmatching[paren.character]] < 0):
return True
if self.is_paren_closed(paren):
rparens[paren.character] += 1
parens[matching[paren.character]] -= 1
if (operation == self._next_block and
parens[matching[paren.character]] < 0):
return True
block = operation(block)
offset = 0 if down else len(block.text())
elif nb_open > 0:
return True
return False
def _next_block(self, b):
return b.next()
def _prev_block(self, b):
return b.previous()
def is_in_comment(self, column, tc, full_line):
use_parent_impl = False
usd = tc.block().userData()
for start, end in usd.cc_disabled_zones:
if start < column < end:
string = full_line[start:end]
if not ((string.startswith("'") or string.startswith('"')) and
(string.endswith("'") or string.endswith('"'))):
use_parent_impl = True
break
return use_parent_impl
def get_last_word(self, tc):
tc2 = QTextCursor(tc)
tc2.movePosition(QTextCursor.Left, 1)
tc2.movePosition(QTextCursor.WordLeft, tc.KeepAnchor)
# tc2.movePosition(QTextCursor.Right, tc.KeepAnchor,
# self.editor.cursorPosition[1])
return tc2.selectedText().strip()
def get_indent_of_opening_paren(self, tc, column):
# find last closed paren
pos = None
data = tc.block().userData()
tc2 = QTextCursor(tc)
tc2.movePosition(tc2.StartOfLine, tc2.MoveAnchor)
for paren in reversed(data.parentheses):
if paren.character == ')':
column = paren.position
pos = tc2.position() + column + 1
break
if pos:
tc2 = QTextCursor(tc)
tc2.setPosition(pos)
ol, oc = self.editor.modes.get(SymbolMatcherMode).symbol_pos(
tc2, '(', 0)
line = self._helper.line_text(ol)
return len(line) - len(line.lstrip())
return None
def get_last_open_paren_pos(self, tc, column):
pos = None
char = None
ln = tc.blockNumber() + 1
tc_trav = QTextCursor(tc)
while ln >= 1:
tc_trav.movePosition(tc_trav.StartOfLine, tc_trav.MoveAnchor)
data = tc_trav.block().userData()
lists = [data.parentheses, data.braces, data.square_brackets]
for symbols in lists:
for paren in reversed(symbols):
if paren.position < column:
if self.is_paren_open(paren):
if paren.position > column:
continue
else:
pos = tc_trav.position() + paren.position
char = paren.character
# ensure it does not have a closing paren on
# the same line
tc3 = QTextCursor(tc)
tc3.setPosition(pos)
l, c = self.editor.modes.get(
SymbolMatcherMode).symbol_pos(tc3, ')')
if l == ln and c < column:
continue
return pos, char
# check previous line
tc_trav.movePosition(tc_trav.Up, tc_trav.MoveAnchor)
ln = tc_trav.blockNumber() + 1
column = len(self._helper.line_text(ln))
return pos, char
def get_parent_pos(self, tc, column):
pos, char = self.get_last_open_paren_pos(tc, column)
if char == '(':
ptype = 0
closingchar = ')'
elif char == '[':
ptype = 1
closingchar = ']'
elif char == '{':
ptype = 2
closingchar = '}'
tc2 = QTextCursor(tc)
tc2.setPosition(pos)
ol, oc = self.editor.modes.get(SymbolMatcherMode).symbol_pos(
tc2, char, ptype)
cl, cc = self.editor.modes.get(SymbolMatcherMode).symbol_pos(
tc2, closingchar, ptype)
return (ol, oc), (cl, cc)
def get_next_char(self, tc):
tc2 = QTextCursor(tc)
tc2.movePosition(QTextCursor.NextCharacter, QTextCursor.KeepAnchor)
char = tc2.selectedText()
return char
def handle_indent_after_paren(self, column, line, fullline, tc):
"""
Handle indent between symbols such as parenthesis, braces,...
"""
# elements might be separated by ',' 'or' 'and'
next_char = self.get_next_char(tc)
nextcharisclosingsymbol = next_char in [']', ')', '}']
(oL, oC), (cL, cC) = self.get_parent_pos(tc, column)
closingline = self._helper.line_text(cL)
openingline = self._helper.line_text(oL)
openingline = re.sub(r'".*"', "", openingline)
openingline = re.sub(r"'.*'", "", openingline)
openingindent = len(openingline) - len(openingline.lstrip())
tokens = [t.strip() for t in re.split(', |and |or ',
line[oC:column]) if t]
# align with first token pos
if len(closingline) > cC and closingline[cC] == ":":
post = openingindent * " " + 8 * " "
else:
# press enter before a '}', ']', ')'
# which close an affectation (tuple, list , dict)
if nextcharisclosingsymbol and re.match('.*=[\s][\W].*',
openingline):
post = openingindent * " "
else:
# align elems in list, tuple, dict
if re.match('.*=[\s][\W].*', openingline) and oL - cL == 1:
post = openingindent * " " + 4 * " "
# align elems in fct declaration (we align with first
# token)
else:
if len(tokens):
post = oC * " "
else:
post = openingindent * " " + 4 * " "
pre = ""
in_string_def, char = self.is_in_string_def(fullline, column)
if in_string_def:
pre = char
post += char
return pre, post
def at_block_start(self, tc, line):
"""
Improve QTextCursor.atBlockStart to ignore spaces
"""
if tc.atBlockStart():
return True
column = tc.columnNumber()
indentation = len(line) - len(line.lstrip())
return column <= indentation
def at_block_end(self, tc, fullline):
if tc.atBlockEnd():
return True
column = tc.columnNumber()
return column >= len(fullline.rstrip()) - 1
def _get_indent(self, cursor):
pos = cursor.position()
ln, column = self._helper.cursor_position()
fullline = self.get_full_line(cursor)
line = fullline[:column]
# no indent
if pos == 0 or column == 0:
return "", ""
pre, post = AutoIndentMode._get_indent(self, cursor)
if self.at_block_start(cursor, line):
if self.has_two_empty_line_before(cursor):
post = post[:-4]
return pre, post
# return pressed in comments
if self.is_in_comment(column, cursor, fullline):
if line.strip().startswith("#") and column != len(fullline):
post += '# '
return pre, post
elif self.between_paren(cursor, column):
try:
pre, post = self.handle_indent_after_paren(
column, line, fullline, cursor)
except TypeError:
return pre, post
else:
lastword = self.get_last_word(cursor)
inStringDef, char = self.is_in_string_def(fullline, column)
if inStringDef:
# the string might be between paren if multiline
# check if there a at least a non closed paren on the previous
# lines
if self.has_unclosed_paren(cursor):
pre = char
else:
pre = '" \\'
post += 4 * ' '
if fullline.endswith(':'):
post += 4 * " "
post += char
elif fullline.rstrip().endswith(":") and \
lastword.rstrip().endswith(':') and \
self.at_block_end(cursor, fullline):
try:
indent = (self.get_indent_of_opening_paren(cursor, column)
+ 4)
if indent:
post = indent * " "
except TypeError:
kw = ["if", "class", "def", "while", "for", "else", "elif",
"except", "finally", "try"]
l = fullline
ln = cursor.blockNumber()
def check_kw_in_line(kwds, lparam):
for kwd in kwds:
if kwd in lparam:
return True
return False
while not check_kw_in_line(kw, l) and ln:
ln -= 1
l = self._helper.line_text(ln)
indent = (len(l) - len(l.lstrip())) * " "
indent += 4 * " "
post = indent
elif line.endswith("\\"):
# increment indent
post += 4 * " "
elif fullline.endswith(")") and lastword.endswith(')'):
# find line where the open braces can be found and align with
# that line
indent = self.get_indent_of_opening_paren(cursor, column)
if indent:
post = indent * " "
elif ("\\" not in fullline and "#" not in fullline and
fullline.strip() and not fullline.endswith(')') and
not self.at_block_end(cursor, fullline)):
if lastword and lastword[-1] != " ":
pre += " \\"
else:
pre += '\\'
post += 4 * " "
if fullline.endswith(':'):
post += 4 * " "
elif (lastword == "return" or lastword == "pass"):
post = post[:-4]
return pre, post
