def undent(self, p):
"""
Remove the *maximum* whitespace of any line from the start of *all* lines,
appending the underindent escape sequence for all underindented lines.
This is *not* the same as textwrap.dedent!
"""
# Called from i.post_pass, i.unindent_all_nodes.
c = self.c
if self.is_rst:
return p.b # Never unindent rst code.
escape = c.atFileCommands.underindentEscapeString
lines = self.get_lines(p)
ws = self.common_lws(lines)
result = []
for s in lines:
if s.startswith(ws):
result.append(s[len(ws) :])
elif s.isspace():
# Never change blank lines.
result.append(s)
else:
# Indicate that the line is underindented.
lws = g.get_leading_ws(s)
# Bug fix 2021/11/15: Use n1 - n2, not n1!
n1 = g.computeWidth(ws, self.tab_width)
n2 = g.computeWidth(lws, self.tab_width)
assert n1 > n2, (n1, n2)
result.append(f"{escape}{n1-n2}.{s.lstrip()}")
return result
def update(self, *args, **keys):
c = self.c
# This is called at idle-time, and there can be problems when closing the window.
if g.app.killed or not c or not hasattr(c, 'frame'):
return
w = c.frame.body.bodyCtrl
tab_width = c.frame.tab_width
s = w.getAllText()
index = w.getInsertPoint()
row, col = g.convertPythonIndexToRowCol(s, index)
if col > 0:
s2 = s[index - col:index]
s2 = g.toUnicode(s2)
col = g.computeWidth(s2, c.tab_width)
if row != self.lastRow or col != self.lastCol:
s = "line %d, col %d " % (row, col)
self.label.configure(text=s)
self.lastRow, self.lastCol = row, col
if 0: # Done in idle handler.
self.label.after(500, self.update)
def rp_get_leading_ws(c, lines, tabWidth):
'''Compute and return indents and leading_ws.'''
# c = self
indents = [0, 0]
leading_ws = ["", ""]
for i in (0, 1):
if i < len(lines):
# Use the original, non-optimized leading whitespace.
leading_ws[i] = ws = g.get_leading_ws(lines[i])
indents[i] = g.computeWidth(ws, tabWidth)
indents[1] = max(indents)
if len(lines) == 1:
leading_ws[1] = leading_ws[0]
return indents, leading_ws
def rp_get_leading_ws(c, lines, tabWidth):
'''Compute and return indents and leading_ws.'''
# c = self
indents = [0, 0]
leading_ws = ["", ""]
for i in (0, 1):
if i < len(lines):
# Use the original, non-optimized leading whitespace.
leading_ws[i] = ws = g.get_leading_ws(lines[i])
indents[i] = g.computeWidth(ws, tabWidth)
indents[1] = max(indents)
if len(lines) == 1:
leading_ws[1] = leading_ws[0]
return indents, leading_ws
def undent(self, p):
'''Remove maximal leading whitespace from the start of all lines.'''
if self.is_rst:
return p.b # Never unindent rst code.
lines = self.get_lines(p)
ws = self.common_lws(lines)
result = []
for s in lines:
if s.startswith(ws):
result.append(s[len(ws):])
elif s.isspace():
# Never change blank lines.
result.append(s)
else:
# Indicate that the line is underindented.
result.append("%s%s.%s" %
(self.c.atFileCommands.underindentEscapeString,
g.computeWidth(ws, self.tab_width), s.lstrip()))
return result
def undent(self, p):
'''Remove maximal leading whitespace from the start of all lines.'''
if self.is_rst:
return p.b # Never unindent rst code.
lines = self.get_lines(p)
ws = self.common_lws(lines)
result = []
for s in lines:
if s.startswith(ws):
result.append(s[len(ws):])
elif s.isspace():
# Never change blank lines.
result.append(s)
else:
# Indicate that the line is underindented.
result.append("%s%s.%s" % (
self.c.atFileCommands.underindentEscapeString,
g.computeWidth(ws, self.tab_width),
s.lstrip()))
return result
def undent_by(self, s, undent_val):
'''
Remove leading whitespace equivalent to undent_val from each line.
Strict languages: prepend the underindent escape for underindented lines.
'''
if self.is_rst:
return s # Never unindent rst code.
result = []
for line in g.splitlines(s):
lws_s = self.get_str_lws(line)
lws = g.computeWidth(lws_s, self.tab_width)
# Add underindentEscapeString only for strict languages.
if self.strict and not line.isspace() and lws < undent_val:
# End the underindent count with a period to
# protect against lines that start with a digit!
result.append("%s%s.%s" % (
self.escape, undent_val-lws, line.lstrip()))
else:
s = g.removeLeadingWhitespace(line, undent_val, self.tab_width)
result.append(s)
return ''.join(result)
def undent_by(self, s, undent_val):
"""
Remove leading whitespace equivalent to undent_val from each line.
Strict languages: prepend the underindent escape for underindented lines.
"""
if self.is_rst:
return s # Never unindent rst code.
result = []
for line in g.splitlines(s):
lws_s = self.get_str_lws(line)
lws = g.computeWidth(lws_s, self.tab_width)
# Add underindentEscapeString only for strict languages.
if self.strict and not line.isspace() and lws < undent_val:
# End the underindent count with a period to
# protect against lines that start with a digit!
result.append("%s%s.%s" % (
self.escape, undent_val - lws, line.lstrip()))
else:
s = g.removeLeadingWhitespace(line, undent_val, self.tab_width)
result.append(s)
return ''.join(result)