def _get_completions(self):
"""Return a list of possible completions for the string ending at the point.
Also set begidx and endidx in the process."""
completions = []
self.begidx = self.l_buffer.point
self.endidx = self.l_buffer.point
buf = self.l_buffer.line_buffer
if self.completer:
# get the string to complete
while self.begidx > 0:
self.begidx -= 1
if buf[self.begidx] in self.completer_delims:
self.begidx += 1
break
text = ensure_str(''.join(buf[self.begidx:self.endidx]))
log('complete text="%s"' % ensure_unicode(text))
i = 0
while 1:
try:
r = self.completer(ensure_unicode(text), i)
except IndexError:
break
i += 1
if r is None:
break
elif r and r not in completions:
completions.append(r)
else:
pass
log('text completions=<%s>' %
list(map(ensure_unicode, completions)))
if (self.complete_filesystem == "on") and not completions:
# get the filename to complete
while self.begidx > 0:
self.begidx -= 1
if buf[self.begidx] in ' \t\n':
self.begidx += 1
break
text = ensure_str(''.join(buf[self.begidx:self.endidx]))
log('file complete text="%s"' % ensure_unicode(text))
completions = list(
map(ensure_unicode,
glob.glob(os.path.expanduser(text) + '*'.encode('ascii'))))
if self.mark_directories == 'on':
mc = []
for f in completions:
if os.path.isdir(f):
mc.append(f + os.sep)
else:
mc.append(f)
completions = mc
log('fnames=<%s>' % list(map(ensure_unicode, completions)))
return completions
def write_plain(self, text, attr=None):
'''write text at current cursor position.'''
text = ensure_unicode(text)
log('write("%s", %s)' % (text, attr))
if attr is None:
attr = self.attr
junk = DWORD(0)
self.SetConsoleTextAttribute(self.hout, attr)
for short_chunk in split_block(chunk):
self.WriteConsoleW(self.hout, ensure_unicode(short_chunk),
len(short_chunk), byref(junk), None)
return len(text)
def check_key():
if msvcrt is None:
return False
else:
if msvcrt.kbhit():
q = ensure_unicode(msvcrt.getch())
return q
return ""
def write_scrolling(self, text, attr=None):
'''write text at current cursor position while watching for scrolling.
If the window scrolls because you are at the bottom of the screen
buffer, all positions that you are storing will be shifted by the
scroll amount. For example, I remember the cursor position of the
prompt so that I can redraw the line but if the window scrolls,
the remembered position is off.
This variant of write tries to keep track of the cursor position
so that it will know when the screen buffer is scrolled. It
returns the number of lines that the buffer scrolled.
'''
text = ensure_unicode(text)
x, y = self.pos()
w, h = self.size()
scroll = 0 # the result
# split the string into ordinary characters and funny characters
chunks = self.motion_char_re.split(text)
for chunk in chunks:
n = self.write_color(chunk, attr)
if len(chunk) == 1: # the funny characters will be alone
if chunk[0] == '\n': # newline
x = 0
y += 1
elif chunk[0] == '\r': # carriage return
x = 0
elif chunk[0] == '\t': # tab
x = 8 * (int(x / 8) + 1)
if x > w: # newline
x -= w
y += 1
elif chunk[0] == '\007': # bell
pass
elif chunk[0] == '\010':
x -= 1
if x < 0:
y -= 1 # backed up 1 line
else: # ordinary character
x += 1
if x == w: # wrap
x = 0
y += 1
if y == h: # scroll
scroll += 1
y = h - 1
else: # chunk of ordinary characters
x += n
l = int(x / w) # lines we advanced
x = x % w # new x value
y += l
if y >= h: # scroll
scroll += y - h + 1
y = h - 1
return scroll
def read_history_file(self, filename=None):
'''Load a readline history file.'''
if filename is None:
filename = self.history_filename
try:
for line in open(filename, 'r'):
self.add_history(
lineobj.ReadLineTextBuffer(ensure_unicode(line.rstrip())))
except IOError:
self.history = []
self.history_cursor = 0
def write_color(self, text, attr=None):
text = ensure_unicode(text)
n, res = self.ansiwriter.write_color(text, attr)
junk = DWORD(0)
for attr, chunk in res:
log("console.attr:%s" % (attr))
log("console.chunk:%s" % (chunk))
self.SetConsoleTextAttribute(self.hout, attr.winattr)
for short_chunk in split_block(chunk):
self.WriteConsoleW(self.hout, short_chunk, len(short_chunk),
byref(junk), None)
return n
def add_history(self, line):
'''Append a line to the history buffer, as if it was the last line typed.'''
line = ensure_unicode(line)
if not hasattr(line, "get_line_text"):
line = lineobj.ReadLineTextBuffer(line)
if not line.get_line_text():
pass
elif len(self.history) > 0 and self.history[-1].get_line_text(
) == line.get_line_text():
pass
else:
self.history.append(line)
self.history_cursor = len(self.history)
def SetClipboardText(text):
buffer = create_unicode_buffer(ensure_unicode(text))
bufferSize = sizeof(buffer)
hGlobalMem = GlobalAlloc(GHND, c_size_t(bufferSize))
GlobalLock.restype = c_void_p
lpGlobalMem = GlobalLock(hGlobalMem)
_strncpy(cast(lpGlobalMem, c_wchar_p), cast(addressof(buffer), c_wchar_p),
c_size_t(bufferSize))
GlobalUnlock(c_int(hGlobalMem))
if OpenClipboard(0):
EmptyClipboard()
SetClipboardData(CF_UNICODETEXT, hGlobalMem)
CloseClipboard()
def write(self, text):
text = ensure_unicode(text)
log('write("%s")' % text)
return self.write_color(text)
def read_history_file(self, filename=None):
'''Load a readline history file. The default filename is ~/.history.'''
if filename is None:
filename = self.mode._history.history_filename
log("read_history_file from %s" % ensure_unicode(filename))
self.mode._history.read_history_file(filename)