def __init__(self, editwin, index):
self.editwin = editwin
self.text = text = editwin.text
parser = PyParse.Parser(editwin.indentwidth, editwin.tabwidth)
def index2line(index):
return int(float(index))
lno = index2line(text.index(index))
if not editwin.context_use_ps1:
for context in editwin.num_context_lines:
startat = max(lno - context, 1)
startatindex = repr(startat) + '.0'
stopatindex = '%d.end' % lno
parser.set_str(text.get(startatindex, stopatindex) + ' \n')
bod = parser.find_good_parse_start(editwin._build_char_in_string_func(startatindex))
if bod is not None or startat == 1:
break
parser.set_lo(bod or 0)
else:
r = text.tag_prevrange('console', index)
if r:
startatindex = r[1]
else:
startatindex = '1.0'
stopatindex = '%d.end' % lno
parser.set_str(text.get(startatindex, stopatindex) + ' \n')
parser.set_lo(0)
self.rawtext = parser.str[:-2]
self.stopatindex = stopatindex
self.bracketing = parser.get_last_stmt_bracketing()
self.isopener = [ i > 0 and self.bracketing[i][1] > self.bracketing[i - 1][1] for i in range(len(self.bracketing)) ]
self.set_index(index)
return
def __init__(self, editwin, index):
"To initialize, analyze the surroundings of the given index."
self.editwin = editwin
self.text = text = editwin.text
self.ext = ext = editwin.ext
parser = PyParse.Parser(editwin.indentwidth, editwin.tabwidth)
def index2line(index):
return int(float(index))
lno = index2line(text.index(index))
if not editwin.context_use_ps1:
for context in editwin.num_context_lines:
startat = max(lno - context, 1)
startatindex = repr(startat) + ".0"
stopatindex = "%d.end" % lno
# We add the newline because PyParse requires a newline
# at end. We add a space so that index won't be at end
# of line, so that its status will be the same as the
# char before it, if should.
parser.set_str(text.get(startatindex, stopatindex) + ' \n')
bod = parser.find_good_parse_start(
editwin._build_char_in_string_func(startatindex))
if bod is not None or startat == 1:
break
parser.set_lo(bod or 0)
else:
r = text.tag_prevrange("console", index)
if r:
startatindex = r[1]
else:
startatindex = "1.0"
stopatindex = "%d.end" % lno
# We add the newline because PyParse requires it. We add a
# space so that index won't be at end of line, so that its
# status will be the same as the char before it, if should.
parser.set_str(text.get(startatindex, stopatindex) + ' \n')
parser.set_lo(0)
# We want what the parser has, minus the last newline and space.
self.rawtext = parser.str[:-2]
# Parser.str apparently preserves the statement we are in, so
# that stopatindex can be used to synchronize the string with
# the text box indices.
self.stopatindex = stopatindex
self.bracketing = parser.get_last_stmt_bracketing()
# find which pairs of bracketing are openers. These always
# correspond to a character of rawtext.
self.isopener = [
i > 0 and self.bracketing[i][1] > self.bracketing[i - 1][1]
for i in range(len(self.bracketing))
]
self.set_index(index)
def newline_and_indent_event(self, event):
text = self.text
first, last = self.get_selection_indices()
text.undo_block_start()
try:
if first and last:
text.delete(first, last)
text.mark_set('insert', first)
line = text.get('insert linestart', 'insert')
i, n = 0, len(line)
while i < n and line[i] in ' \t':
i = i + 1
if i == n:
text.insert('insert linestart', '\n')
return 'break'
indent = line[:i]
i = 0
last_line_of_prompt = sys.ps1.split('\n')[-1]
while line and line[-1] in ' \t' and line != last_line_of_prompt:
line = line[:-1]
i = i + 1
if i:
text.delete('insert - %d chars' % i, 'insert')
while text.get('insert') in ' \t':
text.delete('insert')
text.insert('insert', '\n')
lno = index2line(text.index('insert'))
y = PyParse.Parser(self.indentwidth, self.tabwidth)
if not self.context_use_ps1:
for context in self.num_context_lines:
startat = max(lno - context, 1)
startatindex = repr(startat) + '.0'
rawtext = text.get(startatindex, 'insert')
y.set_str(rawtext)
bod = y.find_good_parse_start(self.context_use_ps1, self._build_char_in_string_func(startatindex))
if bod is not None or startat == 1:
break
y.set_lo(bod or 0)
else:
r = text.tag_prevrange('console', 'insert')
if r:
startatindex = r[1]
else:
startatindex = '1.0'
rawtext = text.get(startatindex, 'insert')
y.set_str(rawtext)
y.set_lo(0)
c = y.get_continuation_type()
if c != PyParse.C_NONE:
if c == PyParse.C_STRING_FIRST_LINE:
pass
elif c == PyParse.C_STRING_NEXT_LINES:
text.insert('insert', indent)
elif c == PyParse.C_BRACKET:
self.reindent_to(y.compute_bracket_indent())
elif c == PyParse.C_BACKSLASH:
if y.get_num_lines_in_stmt() > 1:
text.insert('insert', indent)
else:
self.reindent_to(y.compute_backslash_indent())
return 'break'
indent = y.get_base_indent_string()
text.insert('insert', indent)
if y.is_block_opener():
self.smart_indent_event(event)
elif indent and y.is_block_closer():
self.smart_backspace_event(event)
return 'break'
finally:
text.see('insert')
text.undo_block_stop()
return