289 lines
11 KiB
Python
289 lines
11 KiB
Python
import os, sets, string
|
|
import color, method
|
|
from lex import Lexer
|
|
from point import Point
|
|
|
|
DEBUG = False
|
|
|
|
class ActionError(Exception):
|
|
pass
|
|
|
|
class Handler(object):
|
|
def __init__(self):
|
|
self.prefixes = sets.Set(["C-x", "C-c", "C-u"])
|
|
self.last_sequence = ''
|
|
self.curr_tokens = []
|
|
self.bindings = {}
|
|
|
|
# handle adding and removing actions
|
|
def add_action(self, action):
|
|
if self.window is None:
|
|
return
|
|
elif action.name in self.window.application.methods:
|
|
return
|
|
else:
|
|
self.window.application.methods[action.name] = action
|
|
def del_action(self, name):
|
|
if self.window is None:
|
|
return
|
|
for binding in self.bindings.keys():
|
|
if self.bindings[binding] == name:
|
|
del self.bindings[binding]
|
|
def add_binding(self, name, sequence):
|
|
if self.window is None:
|
|
return
|
|
elif not hasattr(self.window, 'application'):
|
|
raise Exception, "argh %r %r" % (self, self.window)
|
|
elif name not in self.window.application.methods:
|
|
raise Exception, "No action called %r found" % name
|
|
else:
|
|
self.bindings[sequence] = name
|
|
def add_bindings(self, name, sequences):
|
|
if self.window is None:
|
|
return
|
|
for sequence in sequences:
|
|
self.add_binding(name, sequence)
|
|
def del_binding(self, sequence):
|
|
if self.window is None:
|
|
return
|
|
del self.bindings[sequence]
|
|
def add_action_and_bindings(self, action, sequences):
|
|
if self.window is None:
|
|
return
|
|
self.add_action(action)
|
|
for sequence in sequences:
|
|
self.add_binding(action.name, sequence)
|
|
|
|
def handle_token(self, t):
|
|
'''self.handle_token(token): returns None, or the action to
|
|
take. raises an exception on unknown input'''
|
|
self.curr_tokens.append(t)
|
|
sequence = " ".join(self.curr_tokens)
|
|
if sequence in self.bindings:
|
|
act = self.window.application.methods[self.bindings[sequence]]
|
|
self.last_sequence = sequence
|
|
self.curr_tokens = []
|
|
return act
|
|
elif t in self.prefixes:
|
|
for binding in self.bindings:
|
|
if binding.startswith(sequence):
|
|
return None
|
|
self.curr_tokens = []
|
|
self.last_sequence = sequence
|
|
raise ActionError, "no action defined for %r" % (sequence)
|
|
|
|
class Fundamental(Handler):
|
|
'''This is the default mode'''
|
|
modename = "Fundamental"
|
|
paths = []
|
|
basenames = []
|
|
extensions = []
|
|
detection = []
|
|
savetabs = False
|
|
tabwidth = 4
|
|
tabbercls = None
|
|
grammar = None
|
|
lexer = None
|
|
tabber = None
|
|
colors = {}
|
|
config = {}
|
|
|
|
def install(cls, app):
|
|
app.setmode(cls.modename.lower(), cls, paths=cls.paths,
|
|
basenames=cls.basenames, extensions=cls.extensions,
|
|
detection=cls.detection)
|
|
for (key, val) in cls.colors.iteritems():
|
|
if key in app.token_colors:
|
|
s = 'token_colors: name %r conflict in %r' % (key, cls.modename)
|
|
raise Exception, s
|
|
else:
|
|
app.token_colors[key] = val
|
|
for (key, val) in cls.config.iteritems():
|
|
app.config[key] = val
|
|
install = classmethod(install)
|
|
|
|
def __init__(self, w):
|
|
assert w is not None
|
|
self.window = w
|
|
Handler.__init__(self)
|
|
|
|
# first let's add all the "default" actions
|
|
self.add_bindings('start-of-line', ('C-a', 'HOME',))
|
|
self.add_bindings('end-of-line', ('C-e', 'END',))
|
|
self.add_bindings('backward', ('C-b', 'L_ARROW',))
|
|
self.add_bindings('forward', ('C-f', 'R_ARROW',))
|
|
self.add_bindings('center-view', ('C-l',))
|
|
self.add_bindings('next-line', ('C-n', 'D_ARROW',))
|
|
self.add_bindings('previous-line', ('C-p', 'U_ARROW',))
|
|
self.add_bindings('next-section', ('M-n', 'M-D_ARROW',))
|
|
self.add_bindings('previous-section', ('M-p', 'M-U_ARROW',))
|
|
self.add_bindings('page-down', ('C-v', 'PG_DN',))
|
|
self.add_bindings('page-up', ('M-v', 'PG_UP',))
|
|
self.add_bindings('goto-beginning', ('M-<',))
|
|
self.add_bindings('goto-end', ('M->',))
|
|
self.add_bindings('delete-left', ('DELETE', 'BACKSPACE',))
|
|
self.add_bindings('delete-left-word', ('M-DELETE', 'M-BACKSPACE',))
|
|
self.add_bindings('delete-right', ('C-d',))
|
|
self.add_bindings('delete-right-word', ('M-d',))
|
|
self.add_bindings('kill-region', ('C-w',))
|
|
self.add_bindings('copy-region', ('M-w',))
|
|
self.add_bindings('kill', ('C-k',))
|
|
self.add_bindings('copy', ('M-k',))
|
|
self.add_bindings('yank', ('C-y',))
|
|
self.add_bindings('pop-kill', ('M-y',))
|
|
self.add_bindings('right-word', ('M-f',))
|
|
self.add_bindings('left-word', ('M-b',))
|
|
self.add_bindings('set-mark', ('C-@',))
|
|
self.add_bindings('switch-buffer', ('C-x b',))
|
|
self.add_bindings('switch-mark', ('C-x C-x',))
|
|
self.add_bindings('undo', ('C-/', 'C-x u',))
|
|
self.add_bindings('redo', ('M-/', 'M-_', 'C-x r',))
|
|
self.add_bindings('goto-line', ('M-g',))
|
|
self.add_bindings('forward-chars', ('C-x M-c',))
|
|
self.add_bindings('forward-lines', ('C-x M-n',))
|
|
self.add_bindings('search', ('C-s',))
|
|
self.add_bindings('reverse-search', ('C-r',))
|
|
self.add_bindings('regex-search', ('M-C-s',))
|
|
self.add_bindings('regex-reverse-search', ('M-C-r',))
|
|
self.add_bindings('toggle-margins', ('M-m',))
|
|
self.add_bindings('replace', ('M-%',))
|
|
self.add_bindings('regex-replace', ('M-$',))
|
|
self.add_bindings('open-file', ('C-x C-f',))
|
|
self.add_bindings('kill-buffer', ('C-x k',))
|
|
self.add_bindings('list-buffers', ('C-x C-b',))
|
|
self.add_bindings('meta-x', ('M-x',))
|
|
self.add_bindings('wrap-line', ('M-q',))
|
|
self.add_bindings('transpose-words', ('M-t',))
|
|
self.add_bindings('save-buffer', ('C-x C-s',))
|
|
self.add_bindings('save-buffer-as', ('C-x C-w',))
|
|
self.add_bindings('relex-buffer', ('M-r',))
|
|
self.add_bindings('exit', ('C-x C-c',))
|
|
self.add_bindings('split-window', ('C-x s', 'C-x 2',))
|
|
self.add_bindings('unsplit-window', ('C-u s', 'C-x 1',))
|
|
self.add_bindings('toggle-window', ('C-x o',))
|
|
self.add_bindings('delete-left-whitespace', ('C-c DELETE', 'C-c BACKSPACE',))
|
|
self.add_bindings('delete-right-whitespace', ('C-c d',))
|
|
self.add_bindings('insert-space', ('SPACE',))
|
|
self.add_bindings('insert-tab', ('TAB',))
|
|
self.add_bindings('insert-newline', ('RETURN',))
|
|
self.add_bindings('comment-region', ('C-c #',))
|
|
self.add_bindings('uncomment-region', ('C-u C-c #',))
|
|
self.add_bindings('justify-right', ('C-c f',))
|
|
self.add_bindings('justify-left', ('C-c b',))
|
|
self.add_bindings('indent-block', ('C-c >',))
|
|
self.add_bindings('unindent-block', ('C-c <',))
|
|
self.add_bindings('token-complete', ('M-c', 'C-c c', 'C-c TAB',))
|
|
self.add_bindings('open-aes-file', ('C-c a',))
|
|
self.add_bindings('open-console', ('M-e',))
|
|
self.add_bindings('show-bindings-buffer', ('C-c M-h',))
|
|
self.add_bindings('show-functions-buffer', ('C-c M-?',))
|
|
self.add_bindings('which-command', ('M-h',))
|
|
self.add_bindings('cmd-help-buffer', ('M-?',))
|
|
self.add_bindings('set-mode', ('C-x m',))
|
|
self.add_bindings('cancel', ('C-]',))
|
|
self.add_bindings('exec', ('C-c e', 'C-c !'))
|
|
self.add_bindings('grep', ('C-c g',))
|
|
self.add_bindings('pipe', ('C-c p', 'C-c |'))
|
|
self.add_bindings('view-buffer-parent', ('C-c .',))
|
|
self.add_bindings('insert-squotes', ('M-\'',))
|
|
self.add_bindings('insert-dquotes', ('M-"',))
|
|
self.add_bindings('get-token', ('C-c t',))
|
|
|
|
# create all the insert actions for the basic text input
|
|
for c in string.letters + string.digits + string.punctuation:
|
|
self.add_binding('insert-string-%s' % c, c)
|
|
|
|
# lexing for highlighting, etc.
|
|
if self.grammar:
|
|
self.lexer = Lexer(self, self.grammar)
|
|
else:
|
|
self.lexer = None
|
|
self.gstack = {}
|
|
self.ghist = {}
|
|
|
|
# tab handling
|
|
if self.tabbercls:
|
|
self.tabber = self.tabbercls(self)
|
|
|
|
# get mode name
|
|
def name(self):
|
|
return self.modename
|
|
|
|
# handle input tokens
|
|
def handle_token(self, t):
|
|
'''self.handle_token(token): handles input "token"'''
|
|
self.window.active_point = None
|
|
#self.window.application.clear_error()
|
|
self.window.clear_error()
|
|
try:
|
|
act = Handler.handle_token(self, t)
|
|
if act is None:
|
|
self.window.set_error(' '.join(self.curr_tokens))
|
|
return
|
|
else:
|
|
act.execute(self.window)
|
|
self.window.application.last_action = act.name
|
|
except ActionError, e:
|
|
if t != 'C-]':
|
|
self.window.set_error(str(e))
|
|
else:
|
|
self.window.set_error('Cancelled')
|
|
except Exception, e:
|
|
if DEBUG:
|
|
raise
|
|
else:
|
|
err = "%s in mode '%s'" % (e, self.name())
|
|
self.window.set_error(err)
|
|
|
|
def region_added(self, p, newlines):
|
|
if self.tabber is not None:
|
|
self.tabber.region_added(p, newlines)
|
|
if self.lexer:
|
|
ydelta = len(newlines) - 1
|
|
xdelta = len(newlines[-1])
|
|
ghist = {}
|
|
for name in self.ghist:
|
|
for gp in self.ghist[name]:
|
|
if gp < p:
|
|
newp = gp
|
|
elif ydelta == 0:
|
|
if p.y == gp.y:
|
|
newp = Point(gp.x + xdelta, gp.y)
|
|
else:
|
|
newp = gp
|
|
else:
|
|
if gp.y == p.y:
|
|
newp = Point(gp.x + xdelta, gp.y + ydelta)
|
|
else:
|
|
newp = Point(gp.x, gp.y + ydelta)
|
|
ghist.setdefault(name, {})
|
|
ghist[name][newp] = self.ghist[name][gp]
|
|
self.ghist = ghist
|
|
def region_removed(self, p1, p2):
|
|
if self.tabber is not None:
|
|
self.tabber.region_removed(p1, p2)
|
|
if self.lexer:
|
|
ydelta = p2.y - p1.y
|
|
xdelta = p2.x - p1.x
|
|
ghist = {}
|
|
for name in self.ghist:
|
|
for gp in self.ghist[name]:
|
|
if gp < p1:
|
|
newp = gp
|
|
elif p1 <= gp and gp < p2:
|
|
continue
|
|
elif ydelta == 0:
|
|
if gp.y == p2.y:
|
|
newp = Point(gp.x - xdelta, gp.y)
|
|
else:
|
|
newp = gp
|
|
else:
|
|
if gp.y == p2.y:
|
|
newp = Point(gp.x - xdelta, gp.y - ydelta)
|
|
else:
|
|
newp = Point(gp.x, gp.y - ydelta)
|
|
ghist.setdefault(name, {})
|
|
ghist[name][newp] = self.ghist[name][gp]
|
|
self.ghist = ghist
|
|
install = Fundamental.install
|