moculus
parent
6c6dbfdf15
commit
d769305721
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@ -0,0 +1,231 @@
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import os
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import sets, string
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import color, default, highlight, method, point
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DEBUG = False
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class Handler:
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def __init__(self):
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self.prefixes = sets.Set(["C-x", "C-c", "C-u"])
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self.last_sequence = ''
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self.curr_tokens = []
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self.bindings = {}
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# handle adding and removing actions
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def add_action(self, action):
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if action.name in self.window.application.methods:
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return
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assert action.name not in self.window.application.methods, \
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"Action %r already found" % action.name
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self.window.application.methods[action.name] = action
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def del_action(self, name):
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for binding in self.bindings.keys():
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if self.bindings[binding] == name:
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del self.bindings[binding]
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def add_binding(self, name, sequence):
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assert name in self.window.application.methods, \
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"No action called %r found" % name
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self.bindings[sequence] = name
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def add_bindings(self, name, sequences):
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for sequence in sequences:
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self.add_binding(name, sequence)
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def del_binding(self, sequence):
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del self.bindings[sequence]
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def add_action_and_bindings(self, action, sequences):
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self.add_action(action)
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for sequence in sequences:
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self.add_binding(action.name, sequence)
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def handle_token(self, t):
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'''self.handle_token(token): returns None, or the action to
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take. raises an exception on unknown input'''
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self.curr_tokens.append(t)
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sequence = " ".join(self.curr_tokens)
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if sequence in self.bindings:
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act = self.window.application.methods[self.bindings[sequence]]
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self.last_sequence = sequence
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self.curr_tokens = []
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return act
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elif t in self.prefixes:
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for binding in self.bindings:
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if binding.startswith(sequence):
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return None
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self.curr_tokens = []
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self.last_sequence = sequence
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raise Exception, "no action defined for %r" % (sequence)
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class Fundamental(Handler):
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'''This is the default mode'''
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def __init__(self, w):
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self.window = w
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Handler.__init__(self)
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self.bindings = {}
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self.add_bindings('start-of-line', ('C-a', 'HOME',))
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self.add_bindings('end-of-line', ('C-e', 'END',))
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self.add_bindings('backward', ('C-b', 'L_ARROW',))
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self.add_bindings('forward', ('C-f', 'R_ARROW',))
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self.add_bindings('center-view', ('C-l',))
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self.add_bindings('next-line', ('C-n', 'D_ARROW',))
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self.add_bindings('previous-line', ('C-p', 'U_ARROW',))
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self.add_bindings('next-section', ('M-n', 'M-D_ARROW',))
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self.add_bindings('previous-section', ('M-p', 'M-U_ARROW',))
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self.add_bindings('page-down', ('C-v', 'PG_DN',))
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self.add_bindings('page-up', ('M-v', 'PG_UP',))
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self.add_bindings('goto-beginning', ('M-<',))
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self.add_bindings('goto-end', ('M->',))
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self.add_bindings('delete-left', ('DELETE', 'BACKSPACE',))
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self.add_bindings('delete-left-word', ('M-DELETE', 'M-BACKSPACE',))
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self.add_bindings('delete-right', ('C-d',))
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self.add_bindings('delete-right-word', ('M-d',))
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self.add_bindings('kill-region', ('C-w',))
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self.add_bindings('copy-region', ('M-w',))
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self.add_bindings('kill', ('C-k',))
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self.add_bindings('copy', ('M-k',))
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self.add_bindings('yank', ('C-y',))
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self.add_bindings('pop-kill', ('M-y',))
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self.add_bindings('right-word', ('M-f',))
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self.add_bindings('left-word', ('M-b',))
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self.add_bindings('set-mark', ('C-@',))
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self.add_bindings('switch-buffer', ('C-x b',))
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self.add_bindings('switch-mark', ('C-x C-x',))
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self.add_bindings('undo', ('C-/', 'C-x u',))
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self.add_bindings('redo', ('M-/', 'M-_', 'C-x r',))
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self.add_bindings('goto-line', ('M-g',))
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self.add_bindings('forward-chars', ('C-x M-c',))
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self.add_bindings('forward-lines', ('C-x M-n',))
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self.add_bindings('search', ('C-s',))
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self.add_bindings('reverse-search', ('C-r',))
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self.add_bindings('toggle-margins', ('M-m',))
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self.add_bindings('replace', ('M-%',))
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self.add_bindings('open-file', ('C-x C-f',))
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self.add_bindings('kill-buffer', ('C-x k',))
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self.add_bindings('list-buffers', ('C-x C-b',))
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self.add_bindings('meta-x', ('M-x',))
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self.add_bindings('wrap-line', ('M-q',))
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self.add_bindings('transpose-words', ('M-t',))
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self.add_bindings('save-buffer', ('C-x C-s',))
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self.add_bindings('save-buffer-as', ('C-x C-w',))
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self.add_bindings('relex-buffer', ('M-r',))
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self.add_bindings('exit', ('C-x C-c',))
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self.add_bindings('exit2', ('C-c C-c',))
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self.add_bindings('split-window', ('C-x s',))
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self.add_bindings('unsplit-window', ('C-u s',))
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self.add_bindings('toggle-window', ('C-x o',))
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self.add_bindings('delete-left-whitespace', ('C-c DELETE', 'C-c BACKSPACE',))
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self.add_bindings('delete-right-whitespace', ('C-c d',))
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self.add_bindings('insert-space', ('SPACE',))
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self.add_bindings('insert-tab', ('TAB',))
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self.add_bindings('insert-newline', ('RETURN',))
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self.add_bindings('comment-region', ('C-c #',))
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self.add_bindings('uncomment-region', ('C-u C-c #',))
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self.add_bindings('justify-right', ('C-c f',))
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self.add_bindings('justify-left', ('C-c b',))
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self.add_bindings('indent-block', ('C-c >',))
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self.add_bindings('unindent-block', ('C-c <',))
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self.add_bindings('code-complete', ('M-c',))
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self.add_bindings('shell-cmd', ('C-c !',))
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self.add_bindings('open-aes-file', ('C-c a',))
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self.add_bindings('open-console', ('M-e',))
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self.add_bindings('show-bindings-buffer', ('C-c M-h','C-c M-?',))
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self.add_bindings('which-command', ('M-?',))
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self.add_bindings('cmd-help-buffer', ('M-h',))
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self.add_bindings('set-mode', ('C-x m',))
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self.add_bindings('cancel', ('C-]',))
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#self.add_bindings('close-paren', (')',))
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#self.add_bindings('close-brace', ('}',))
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#self.add_bindings('close-bracket', (']',))
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# create all the insert actions for the character ranges we like
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for c in string.letters + string.digits + string.punctuation:
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## closing tags are handled differently
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#if c == ')' or c == ']' or c == '}':
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# continue
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self.add_binding('insert-string-%s' % c, c)
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# initialize some stuff
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self.tag_matching = False
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self.grammar = None
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self.lexer = None
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self.tabber = None
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# initialize the default colors, highlighter, etc.
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self.default_color = color.pairs('default', 'default')
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self.colors = {}
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self.highlighter = highlight.Highlighter(self)
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# get mode name
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def name(self):
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return "Fundamental"
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# handle input tokens
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def handle_token(self, t):
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'''self.handle_token(token): handles input "token"'''
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self.window.active_point = None
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if DEBUG:
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# debug mode is crash prone
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act = Handler.handle_token(self, t)
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if act is None:
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return
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else:
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self.window.application.clear_error()
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act.execute(self.window)
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self.window.application.last_action = act.name
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else:
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# regular mode is hard to get stack traces from
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try:
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act = Handler.handle_token(self, t)
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if act is None:
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return
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else:
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self.window.application.clear_error()
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act.execute(self.window)
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self.window.application.last_action = act.name
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except Exception, e:
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if DEBUG:
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raise
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else:
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err = "%s in mode '%s'" % (e, self.name())
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self.window.application.set_error(err)
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def invalidate(self):
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if self.tabber is not None:
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self.tabber.invalidate()
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if self.lexer is not None:
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self.highlighter.invalidate_regions()
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def get_regions(self):
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if self.lexer is not None:
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return self.highlighter.tokens
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else:
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raise Exception, ""
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regions = []
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for i in range(0, len(self.window.buffer.lines)):
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l = self.window.buffer.lines[i]
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regions.append([lex2.Token('line', '', i, 0, l)])
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return regions
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def visible_regions(self):
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i = self.window.visible_offset()
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regions = self.get_regions()
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return regions[i:i+self.window.height]
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def region_added(self, p, xdiff, ydiff, s):
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if self.lexer is not None:
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if self.tabber is not None and s != ' ' and s != ' ':
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self.tabber.invalidate()
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self.highlighter.region_added(p, xdiff, ydiff, s)
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def region_removed(self, p1, p2, s):
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if self.lexer is not None:
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if self.tabber is not None:
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self.tabber.invalidate()
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self.highlighter.region_removed(p1, p2, s)
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def get_indentation_level(self, y):
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if self.tabber is None:
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return None
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else:
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return self.tabber.get_indentation_level(y)
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