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__export__ = ['get_history']
UZBLS = {}
import random
shared_history = {'':[]}
class History(object):
def __init__(self):
self._temporary = []
self.prompt = ''
self.cursor = None
self.__temp_tail = False
self.search_key = None
def prev(self):
if self.cursor is None:
self.cursor = len(self) - 1
else:
self.cursor -= 1
if self.search_key:
while self.cursor >= 0 and self.search_key not in self[self.cursor]:
self.cursor -= 1
if self.cursor < 0 or len(self) == 0:
self.cursor = -1
return random.choice(end_messages)
return self[self.cursor]
def next(self):
if self.cursor is None:
return ''
self.cursor += 1
if self.search_key:
while self.cursor < len(self) and self.search_key not in self[self.cursor]:
self.cursor += 1
if self.cursor >= len(shared_history[self.prompt]):
self.cursor = None
self.search_key = None
if self._temporary:
print 'popping temporary'
return self._temporary.pop()
return ''
return self[self.cursor]
def change_prompt(self, prompt):
self.prompt = prompt
self._temporary = []
self.__temp_tail = False
if prompt not in shared_history:
shared_history[prompt] = []
def search(self, key):
self.search_key = key
return self.prev()
def add(self, cmd):
if self._temporary:
self._temporary.pop()
shared_history[self.prompt].append(cmd)
self.cursor = None
self.search_key = None
def add_temporary(self, cmd):
assert not self._temporary
self._temporary.append(cmd)
self.cursor = len(self) - 1
print 'adding temporary', self
def __getitem__(self, i):
if i < len(shared_history[self.prompt]):
return shared_history[self.prompt][i]
return self._temporary[i-len(shared_history)+1]
def __len__(self):
return len(shared_history[self.prompt]) + len(self._temporary)
def __str__(self):
return "(History %s)" % (self.cursor)
def get_history(uzbl):
if uzbl not in UZBLS:
add_instance(uzbl)
return UZBLS[uzbl]
def add_instance(uzbl, *args):
UZBLS[uzbl] = History()
def del_instance(uzbl, *args):
if uzbl in UZBLS:
del UZBLS[uzbl]
def keycmd_exec(uzbl, keylet):
history = get_history(uzbl)
cmd = keylet.get_keycmd()
if cmd:
history.add(cmd)
def config_changed(uzbl, key, value):
if key == 'keycmd_prompt':
history = get_history(uzbl)
history.change_prompt(value)
def history_prev(uzbl, _x):
history = get_history(uzbl)
cmd = uzbl.get_keylet().get_keycmd()
if history.cursor is None and cmd:
history.add_temporary(cmd)
uzbl.set_keycmd(history.prev())
print 'PREV', history
def history_next(uzbl, _x):
history = get_history(uzbl)
cmd = uzbl.get_keylet().get_keycmd()
uzbl.set_keycmd(history.next())
print 'NEXT', history
def history_search(uzbl, key):
history = get_history(uzbl)
uzbl.set_keycmd(history.search(key))
print 'SEARCH', history
end_messages = ('Look behind you, A three-headed monkey!', 'error #4: static from nylon underwear.', 'error #5: static from plastic slide rules.', 'error #6: global warming.', 'error #9: doppler effect.', 'error #16: somebody was calculating pi on the server.', 'error #19: floating point processor overflow.', 'error #21: POSIX compliance problem.', 'error #25: Decreasing electron flux.', 'error #26: first Saturday after first full moon in Winter.', 'error #64: CPU needs recalibration.', 'error #116: the real ttys became pseudo ttys and vice-versa.', 'error #229: wrong polarity of neutron flow.', 'error #330: quantum decoherence.', 'error #388: Bad user karma.', 'error #407: Route flapping at the NAP.', 'error #435: Internet shut down due to maintenance.')
def init(uzbl):
connects = {'INSTANCE_START': add_instance,
'INSTANCE_EXIT': del_instance,
'KEYCMD_EXEC': keycmd_exec,
'CONFIG_CHANGED': config_changed,
'HISTORY_PREV': history_prev,
'HISTORY_NEXT': history_next,
'HISTORY_SEARCH': history_search
}
uzbl.connect_dict(connects)
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