def forward_search_history(self, searchfor, startpos=None):
if startpos is None:
startpos = min(self.history_cursor,
max(0,
self.get_current_history_length() - 1))
origpos = startpos
result = lineobj.ReadLineTextBuffer("")
for idx, line in list(enumerate(self.history))[startpos:]:
if searchfor in line:
startpos = idx
break
#If we get a new search without change in search term it means
#someone pushed ctrl-r and we should find the next match
if self.last_search_for == searchfor and startpos < self.get_current_history_length(
) - 1:
startpos += 1
for idx, line in list(enumerate(self.history))[startpos:]:
if searchfor in line:
startpos = idx
break
if self.history:
result = self.history[startpos].get_line_text()
else:
result = u""
self.history_cursor = startpos
self.last_search_for = searchfor
return result
def _non_i_search(self, direction, current):
c = pyreadline.rl.console
line = current.get_line_text()
query = ''
while 1:
c.pos(*pyreadline.rl.prompt_end_pos)
scroll = c.write_scrolling(":%s" % query)
pyreadline.rl._update_prompt_pos(scroll)
pyreadline.rl._clear_after()
event = c.getkeypress()
if event.keyinfo.keyname == 'backspace':
if len(query) > 0:
query = query[:-1]
else:
break
elif event.char in string.letters + string.digits + string.punctuation + ' ':
query += event.char
elif event.keyinfo.keyname == 'return':
break
else:
pyreadline.rl._bell()
res = ""
if query:
if direction == -1:
res = self.reverse_search_history(query)
else:
res = self.forward_search_history(query)
return lineobj.ReadLineTextBuffer(res, point=0)
def reverse_search_history(self, searchfor, startpos=None):
if startpos is None:
startpos = self.history_cursor
origpos = startpos
result = lineobj.ReadLineTextBuffer("")
for idx, line in list(enumerate(self.history))[startpos:0:-1]:
if searchfor in line:
startpos = idx
break
#If we get a new search without change in search term it means
#someone pushed ctrl-r and we should find the next match
if self.last_search_for == searchfor and startpos > 0:
startpos -= 1
for idx, line in list(enumerate(self.history))[startpos:0:-1]:
if searchfor in line:
startpos = idx
break
if self.history:
result = self.history[startpos].get_line_text()
else:
result = u""
self.history_cursor = startpos
self.last_search_for = searchfor
log(u"reverse_search_history: old:%d new:%d result:%r" %
(origpos, self.history_cursor, result))
return result
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(line.rstrip()))
except IOError:
self.history = []
self.history_cursor = 0
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 add_history(self, line):
u'''Append a line to the history buffer, as if it was the last line typed.'''
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 _search(self, direction, partial):
try:
if (self.lastcommand != self.history_search_forward and
self.lastcommand != self.history_search_backward):
self.query = ''.join(partial[0:partial.point].get_line_text())
hcstart = max(self.history_cursor, 0)
hc = self.history_cursor + direction
while (direction < 0 and hc >= 0) or (direction > 0 and hc < len(self.history)):
h = self.history[hc]
if not self.query:
self.history_cursor = hc
result = lineobj.ReadLineTextBuffer(h, point=len(h.get_line_text()))
return result
elif (h.get_line_text().startswith(self.query) and (h != partial.get_line_text())):
self.history_cursor = hc
result = lineobj.ReadLineTextBuffer(h, point=partial.point)
return result
hc += direction
else:
if len(self.history) == 0:
pass
elif hc >= len(self.history) and not self.query:
self.history_cursor = len(self.history)
return lineobj.ReadLineTextBuffer("", point=0)
elif self.history[max(min(hcstart, len(self.history) - 1), 0)].get_line_text().startswith(
self.query) and self.query:
return lineobj.ReadLineTextBuffer(self.history[max(min(hcstart, len(self.history) - 1), 0)],
point=partial.point)
else:
return lineobj.ReadLineTextBuffer(partial, point=partial.point)
return lineobj.ReadLineTextBuffer(self.query, point=min(len(self.query), partial.point))
except IndexError:
raise
