867 lines
29 KiB
Python
867 lines
29 KiB
Python
import os, commands, re, sets, tempfile
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from subprocess import Popen, PIPE, STDOUT
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import buffer, default, dirutil, regex, util, window
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from point import Point
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DATATYPES = {
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"path": None,
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"buffer": None,
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"method": None,
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"register": None,
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"command": None,
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"shell": None,
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"shellcommand": None,
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}
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class MethodError(Exception):
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pass
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def arg(n, t=type(''), dt=None, p=None, h='', dv=default.none, ld=False):
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'''convenience function for arguments'''
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return Argument(n, type=t, datatype=dt, prompt=p, help=h, default=dv,
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load_default=ld)
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class Argument(object):
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def __init__(self, name, type=type(""), datatype=None, prompt=None, help='',
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default=default.none, load_default=False):
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self.name = name
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self.type = type
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self.datatype = datatype
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if prompt is None:
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self.prompt = "%s: " % (name)
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else:
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self.prompt = prompt
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self.help = help
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self.load_default = load_default
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self.default = default
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def coerce_to_type(self, value):
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if self.type == type(0):
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try:
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return int(value, 0)
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except:
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raise Exception, "expected int; got %s" % (repr(value))
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else:
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return value
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def ask_for_value(self, method, w, **vargs):
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app = w.application
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assert app.mini_buffer_is_open() is False, "Recursive minibuffer antics"
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vargs2 = vargs.copy()
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assert callable(self.default), "default value func must be callable"
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if self.load_default:
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d = None
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starting_value = self.default(w)
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else:
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d = self.default(w)
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starting_value = None
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def return_value(v):
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if d is not None and v == "":
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v = d
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vargs2[self.name] = self.coerce_to_type(v)
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app.close_mini_buffer()
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method.execute(w, **vargs2)
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tabber = DATATYPES.get(self.datatype, None)
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if d is not None:
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p = self.prompt + "(%s) " % (d)
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else:
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p = self.prompt
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app.open_mini_buffer(p, return_value, method, tabber)
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if starting_value:
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app.mini_buffer.set_data(starting_value)
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class Method(object):
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_is_method = True
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args = []
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help = ""
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def __init__(self):
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self.name = self._name()
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if self.__doc__:
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self.help = self.__doc__
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def _name(cls):
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s = cls.__name__
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s2 = s[0].lower()
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for c in s[1:]:
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if c.isupper():
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s2 += '-' + c.lower()
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elif c == '_':
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s2 += '-'
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else:
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s2 += c
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return s2
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_name = classmethod(_name)
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def _pre_execute(self, w, **vargs):
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pass
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def execute(self, w, **vargs):
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try:
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self._pre_execute(w, **vargs)
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except MethodError, e:
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w.set_error(str(e))
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return
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for arg in self.args:
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if arg.name not in vargs:
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self.old_window = w
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arg.ask_for_value(self, w, **vargs)
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return
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self._execute(w, **vargs)
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def _execute(self, w, **vargs):
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raise Exception, "Unimplemented Method: %s %r" % (self.name, vargs)
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class RelexBuffer(Method):
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'''Relex the buffer; this resets syntax highlighting'''
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def _execute(self, w, **vargs):
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h = w.get_highlighter()
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if h is None:
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w.set_error("No lexer for buffer.")
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else:
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h.highlight(w.buffer.lines)
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w.set_error("Buffer relexed.")
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class ToggleWindow(Method):
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'''Move between visible windows'''
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def _execute(self, w, **vargs):
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w.application.toggle_window()
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# complex text maniuplation
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class TransposeWords(Method):
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'''Switch the place of the two words nearest the cursor'''
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pass
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# you wanna quit right?
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class Exit(Method):
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'''Exit the program, unless there are unsaved changes'''
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def _execute(self, w, **vargs):
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a = w.application
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assert a.mini_buffer_is_open() is False, "Recursive minibuffer antics"
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changed = False
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for b in w.application.bufferlist.buffers:
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changed = b.changed()
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if changed:
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break
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if not changed:
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w.application.exit()
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return
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else:
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self._old_window = w
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self._prompt = "There are buffers with unsaved changes; exit anyway? "
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a.open_mini_buffer(self._prompt, self._callback)
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def _callback(self, v):
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a = self._old_window.application
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if v == 'yes':
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a.exit()
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a.close_mini_buffer()
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if v == 'no':
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return
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a.open_mini_buffer(self._prompt, self._callback)
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a.set_error('Please type "yes" or "no"')
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# insert text
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class InsertString(Method):
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_is_method = False
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def __init__(self, s):
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self.name = "insert-string-%s" % s
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self.args = []
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self.help = "Insert %r into the current buffer." % s
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self.string = s
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def _execute(self, w, **vargs):
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w.insert_string_at_cursor(self.string)
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class OverwriteChar(Method):
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_is_method = False
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def __init__(self, c):
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self.name = 'overwrite-char-%s' % c
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self.args = []
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self.help = "Overwrite %r into the current buffer." % c
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self.char = c
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def _execute(self, w, **vargs):
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w.overwrite_char_at_cursor(self.char)
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# killing/copying/etc.
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class Kill(Method):
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'''Kill the contents of the current line'''
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def _execute(self, w, **vargs):
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w.kill_line()
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class KillRegion(Method):
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'''Kill the region between the mark and the cursor'''
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def _execute(self, w, **vargs):
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w.kill_region()
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w.set_error("Region killed by %s" % self.name)
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class Copy(Method):
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'''Copy the contents of the current line'''
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def _execute(self, w, **vargs):
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w.copy_line()
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class CopyRegion(Method):
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'''Copy the region between the mark and the cursor'''
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def _execute(self, w, **vargs):
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w.copy_region()
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w.set_active_point(w.mark)
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w.set_error("Region copied")
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class Yank(Method):
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'''Paste the top item in the kill ring into the buffer'''
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def _execute(self, w, **vargs):
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if w.application.has_kill():
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w.yank()
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else:
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w.set_error("Kill ring is empty")
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class ShowKill(Method):
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'''Display the top item in the kill ring'''
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def _execute(self, w, **vargs):
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if w.application.has_kill():
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s = w.application.get_kill()
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x = w.application.x
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if len(s) > x - 40:
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s = s[:x - 40] + "..."
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w.set_error("Kill ring contains %r" % s)
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else:
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w.set_error("Kill ring is empty")
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class PopKill(Method):
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'''Pop the top item in the kill ring off'''
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def _execute(self, w, **vargs):
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if w.application.has_kill():
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s = w.pop_kill()
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x = w.application.x
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if len(s) > x - 40:
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s = s[:x - 40] + "..."
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w.set_error("Removed %r from Kill ring" % s)
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else:
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w.set_error("Kill ring is empty")
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# delete
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class DeleteLeft(Method):
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'''Delete the character to the left of the cursor'''
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def _execute(self, w, **vargs):
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(x, y) = w.logical_cursor().xy()
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line = w.buffer.lines[y]
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tabwidth = w.mode.tabwidth
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if x >= tabwidth and x % tabwidth == 0 and line[0:x].isspace():
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w.kill(Point(x - tabwidth, y), Point(x, y))
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else:
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w.left_delete()
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class DeleteRight(Method):
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'''Delete the character under the cursor'''
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def _execute(self, w, **vargs):
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cursor = w.logical_cursor()
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line = w.buffer.lines[cursor.y]
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if len(line[cursor.x:]) >= 4 and line[:cursor.x + 4].isspace():
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w.kill(Point(cursor.x, cursor.y),
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Point(cursor.x + 4, cursor.y))
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else:
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w.right_delete()
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class DeleteLeftWord(Method):
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'''Delete the from the cursor left to the end of the word'''
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def _execute(self, w, **vargs):
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w.kill_left_word()
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class DeleteRightWord(Method):
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'''Delete the from under cursor right to the end of the word'''
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def _execute(self, w, **vargs):
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w.kill_right_word()
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class DeleteLeftWhitespace(Method):
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'''Delete all contiguous of whitespace left of the cursor'''
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def _execute(self, w, **vargs):
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c = w.logical_cursor()
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p = c
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l = w.point_left(p)
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if l is None:
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return
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while l is not None and w.point_char(l) in (' ', '\n'):
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p = l
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l = w.point_left(p)
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if p < c:
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w.kill(p, c)
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class DeleteRightWhitespace(Method):
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'''Delete all contiguous of whitespace under and right of the cursor'''
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def _execute(self, w, **vargs):
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c = w.logical_cursor()
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p = c
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while w.point_char(p) in (' ', '\n'):
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r = w.point_right(p)
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if r is None:
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break
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p = r
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if p > c:
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w.kill(c, p)
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class DeleteLeftSpace(Method):
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'''Delete all contiguous spaces left of the cursor'''
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def _execute(self, w, **vargs):
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c = w.logical_cursor()
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p = c
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l = w.point_left(p)
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if l is None:
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return
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while l is not None and w.point_char(l) == ' ':
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p = l
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l = w.point_left(p)
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if p < c:
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w.kill(p, c)
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class DeleteRightSpace(Method):
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'''Delete all contiguous spaces under and right of the cursor'''
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def _execute(self, w, **vargs):
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c = w.logical_cursor()
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p = c
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while w.point_char(p) == ' ':
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r = w.point_right(p)
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if r is None:
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break
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p = r
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if p > c:
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w.kill(c, p)
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class MetaX(Method):
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'''Invoke commands by name'''
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args = [arg('method', dt="method", p="M-x ", h='Method to execute')]
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def _execute(self, w, **vargs):
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name = vargs['method']
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if name in w.application.methods:
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w.application.methods[name].execute(w)
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else:
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w.set_error('no method named %r found' % name)
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class ToggleMargins(Method):
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'''Show or hide column margins'''
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def _execute(self, w, **vargs):
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w.margins_visible = not w.margins_visible
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class CenterView(Method):
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'''Move view to center on cursor'''
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def _execute(self, w, **vargs):
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w.center_view()
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class SetMark(Method):
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'''Set the mark to the current cursor location'''
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def _execute(self, w, **vargs):
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w.set_mark()
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class SwitchMark(Method):
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'''Switch the mark and the cursor locations'''
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def _execute(self, w, **vargs):
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w.switch_mark()
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# insertion methods
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class InsertNewline(Method):
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'''Insert newline into buffer at the cursor'''
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def _execute(self, w, **vargs):
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w.insert_string_at_cursor('\n')
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class InsertSpace(Method):
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'''Insert space into buffer at the cursor'''
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def _execute(self, w, **vargs):
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w.insert_string_at_cursor(' ')
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class InsertSquotes(Method):
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'''Insert a pair of single-quotes into the buffer'''
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def _execute(self, w, **vargs):
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w.insert_string_at_cursor("''")
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w.backward()
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class InsertDquotes(Method):
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'''Insert a pair of double-quotes into the buffer'''
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def _execute(self, w, **vargs):
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w.insert_string_at_cursor('""')
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w.backward()
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class InsertEscapedSquote(Method):
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'''Insert an escaped single-quote'''
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def _execute(self, w, **vargs):
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w.insert_string_at_cursor("\\'")
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class InsertEscapedDquote(Method):
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'''Insert an escaped double-quote'''
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def _execute(self, w, **vargs):
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w.insert_string_at_cursor('\\"')
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class InsertTab(Method):
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'''Insert tab into buffer, or tabbify line, depending on mode'''
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def _execute(self, w, **vargs):
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cursor = w.logical_cursor()
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if w.mode.tabber:
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i = w.mode.tabber.get_level(cursor.y)
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else:
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i = None
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if i is None:
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w.insert_string_at_cursor(' ' * w.mode.tabwidth)
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else:
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j = w.buffer.count_leading_whitespace(cursor.y)
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if i != j:
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KillWhitespace().execute(w)
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w.insert_string(Point(0, cursor.y), ' ' * i)
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else:
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w.goto(Point(j, cursor.y))
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class KillWhitespace(Method):
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'''Delete leading whitespace on current line'''
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def _execute(self, w, **vargs):
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cursor = w.logical_cursor()
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i = w.buffer.count_leading_whitespace(cursor.y)
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if i > 0:
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w.kill(Point(0, cursor.y), Point(i, cursor.y))
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# tabification
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class TabBuffer(Method):
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'''Tabbify every line in the current buffer'''
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def _execute(self, w, **vargs):
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y = w.logical_cursor().y
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it = InsertTab()
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for i in range(0, len(w.buffer.lines)):
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w.goto_line(i)
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it.execute(w)
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w.goto_line(y)
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class GetIndentionLevel(Method):
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'''Calculate the indention level for this line'''
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def _execute(self, w, **vargs):
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cursor = w.logical_cursor()
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if not w.mode.tabber:
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w.set_error('No tabber available')
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return
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else:
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i = w.mode.tabber.get_level(cursor.y)
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w.set_error('Indention level: %r' % i)
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|
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# commenting
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class CommentRegion(Method):
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'''Prepend a comment to every line in the current buffer'''
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def _execute(self, w, **vargs):
|
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cursor = w.logical_cursor()
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if cursor < w.mark:
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p1 = cursor
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p2 = w.mark
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elif w.mark < cursor:
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p1 = w.mark
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p2 = cursor
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else:
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w.input_line = "Empty kill region"
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return
|
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for y in range(p1.y, p2.y):
|
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w.buffer.insert_string(Point(0, y), "#")
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class UncommentRegion(Method):
|
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'''Remove a comment from every line in the current buffer'''
|
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def _execute(self, w, **vargs):
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cursor = w.logical_cursor()
|
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if cursor < w.mark:
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p1 = cursor
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p2 = w.mark
|
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elif w.mark < cursor:
|
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p1 = w.mark
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p2 = cursor
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else:
|
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w.input_line = "Empty kill region"
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return
|
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for y in range(p1.y, p2.y):
|
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if w.buffer.lines[y].startswith("#"):
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w.buffer.delete(Point(0, y), Point(1, y))
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|
|
|
# wrapping/justifying/etc
|
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class WrapLine(Method):
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limit = 80
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space_re = re.compile(' +')
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def _token_len(self, tokens):
|
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l = 0
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for t in tokens:
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l += len(t)
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return l
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def _find_line_bounds(self, tokens, x, y):
|
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if len(tokens[0]) > self.limit:
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i = 1
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else:
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i = 0
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l = self._token_len(tokens[:i+1])
|
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while i < len(tokens) and l <= self.limit:
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i += 1
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l = self._token_len(tokens[:i+1])
|
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while i > 1 and tokens and tokens[i-1].isspace():
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token = tokens.pop(i-1)
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l -= len(token)
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if x > l:
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x -= len(token)
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i -= 1
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return i, x, y
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def _clear_preceeding_spaces(self, tokens, x, y):
|
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while tokens and self.space_re.match(tokens[0]):
|
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if x > 0:
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x = max(0, x - len(tokens[0]))
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del tokens[0]
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return x, y
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|
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def _wrap_line(self, line, x, y):
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tokens = re.findall('[^ ]+| +', line)
|
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if self._token_len(tokens) <= self.limit:
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return None, None, None
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|
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lines = []
|
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while tokens and self._token_len(tokens) > self.limit:
|
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i, x, y = self._find_line_bounds(tokens, x, y)
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s = ''.join(tokens[:i])
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lines.append(s)
|
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if x > len(s):
|
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y += 1
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x -= len(s)
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del tokens[:i]
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x, y = self._clear_preceeding_spaces(tokens, x, y)
|
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if tokens:
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lines.append(''.join(tokens) + ' ')
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return lines, x, y
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def _execute(self, w, **vargs):
|
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cursor = w.logical_cursor()
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x, y = cursor.xy()
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lines, x, y = self._wrap_line(w.buffer.lines[y], x, y)
|
|
if lines is None:
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return
|
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p1 = Point(0, cursor.y)
|
|
p2 = Point(len(w.buffer.lines[cursor.y]), cursor.y)
|
|
w.buffer.delete(p1, p2)
|
|
p3 = Point(0, cursor.y)
|
|
w.buffer.insert_lines(p3, lines)
|
|
w.goto(Point(x, y))
|
|
class WrapParagraph(Method):
|
|
limit = 80
|
|
valid_re = re.compile('^( *)([^ ].*)$')
|
|
empty_re = regex.whitespace
|
|
prefix_re = None
|
|
def _execute(self, w, **vargs):
|
|
# we will store the start of our paragaph in p1, and also the original
|
|
# cursor position.
|
|
p1 = oldc = w.logical_cursor()
|
|
cur_offset = 0
|
|
|
|
m = self.valid_re.match(w.buffer.lines[p1.y])
|
|
if not m:
|
|
# the line was empty, so return
|
|
return
|
|
elif m.group(1):
|
|
# the line had leading whitespace, so return
|
|
return
|
|
|
|
# see if we are starting in the middle of the paragraph; if so, then
|
|
# let's find the actual begining, and update p1 accordingly.
|
|
i = p1.y
|
|
if i > 1 and w.buffer.lines[i] and not w.buffer.lines[i].startswith(' '):
|
|
while i > 1 and w.buffer.lines[i - 1] and not w.buffer.lines[i - 1].startswith(' '):
|
|
i -= 1
|
|
p1 = Point(0, i)
|
|
|
|
# get the first line; strip it, and put it in our new lines list.
|
|
s1 = w.buffer.lines[p1.y][p1.x:]
|
|
s2 = s1.rstrip()
|
|
if p1.y <= oldc.y:
|
|
cur_offset += len(s1) - len(s2)
|
|
lines = [s2]
|
|
|
|
# ok, so now let's move forward and find the end of the paragraph.
|
|
i = p1.y + 1
|
|
while i < len(w.buffer.lines) and w.buffer.lines[i] and not w.buffer.lines[i].startswith(' '):
|
|
s1 = w.buffer.lines[i]
|
|
s2 = s1.rstrip()
|
|
if oldc.y == i:
|
|
# once we've adjusted all our previous lines, adjust our
|
|
# stored cursor to keep it's X and Y in sync (set Y to the line
|
|
# the paragraph started on, increase X by the previous lines
|
|
# plus added spaces minus removed whitespace.
|
|
x = p1.x + oldc.x + sum([len(x) + 1 for x in lines]) - cur_offset
|
|
oldc = Point(x, p1.y)
|
|
elif i < oldc.y:
|
|
cur_offset += len(s1) - len(s2)
|
|
lines.append(s2)
|
|
i += 1
|
|
|
|
# stringify our paragraph
|
|
s = " ".join(lines)
|
|
|
|
# ok, so now we need to find the line breaks
|
|
newlines = []
|
|
while s:
|
|
# if we have less than the limit left, add it and we're done!
|
|
if len(s) < self.limit:
|
|
newlines.append(s)
|
|
break
|
|
|
|
# look for the rightmost space within our bounds
|
|
j = s.rfind(' ', 0, self.limit)
|
|
# if we failed to find one, look for the leftmost space
|
|
if j == -1:
|
|
j = s.find(' ')
|
|
# if we failed to find any, use the whole rest of the paragraph
|
|
if j == -1:
|
|
j = len(s)
|
|
# add the next chunk we found and adjust the paragraph
|
|
newlines.append(s[:j])
|
|
s = s[j + 1:]
|
|
|
|
# translate our cursor according to the line breaks we just did.
|
|
(x, y) = oldc.xy()
|
|
k = 0
|
|
while k < len(newlines) - 1 and x > len(newlines[k]):
|
|
x = x - len(newlines[k]) - 1
|
|
y += 1
|
|
k += 1
|
|
|
|
# kill the old paragraph region, insert the new, and goto the new cursor
|
|
w.kill(p1, Point(len(w.buffer.lines[i-1]), i-1))
|
|
w.insert_lines(p1, newlines)
|
|
w.goto(Point(x, y))
|
|
|
|
class JustifyRight(Method):
|
|
'''Justify text with the previous line right from the cursor by whitespace'''
|
|
def _execute(self, w, **vargs):
|
|
DeleteLeftSpace().execute(w)
|
|
cursor = w.logical_cursor()
|
|
prev_line = w.buffer.lines[cursor.y-1]
|
|
this_line = w.buffer.lines[cursor.y]
|
|
if cursor.y <= 0:
|
|
return
|
|
if cursor.x >= len(prev_line):
|
|
return
|
|
i = cursor.x
|
|
while prev_line[i] != ' ':
|
|
i += 1
|
|
if i >= len(prev_line):
|
|
return
|
|
while prev_line[i] == ' ':
|
|
i += 1
|
|
if i >= len(prev_line):
|
|
return
|
|
s = ' ' * (i - cursor.x)
|
|
w.insert_string_at_cursor(s)
|
|
class JustifyLeft(Method):
|
|
'''Justify text with the previous line left from the cursor by whitespace'''
|
|
def _execute(self, w, **vargs):
|
|
DeleteRightWhitespace().execute(w)
|
|
cursor = w.logical_cursor()
|
|
prev_line = w.buffer.lines[cursor.y-1]
|
|
this_line = w.buffer.lines[cursor.y]
|
|
if cursor.y <= 0:
|
|
return
|
|
if cursor.x <= 0:
|
|
return
|
|
i = cursor.x
|
|
while i >= len(prev_line):
|
|
i -= 1
|
|
if i <= 0:
|
|
return
|
|
if this_line[i] != ' ':
|
|
return
|
|
while prev_line[i] != ' ':
|
|
i -= 1
|
|
if i <= 0:
|
|
return
|
|
if this_line[i] != ' ':
|
|
return
|
|
while prev_line[i] == ' ':
|
|
i -= 1
|
|
if i >= len(prev_line):
|
|
return
|
|
if this_line[i] != ' ':
|
|
return
|
|
w.buffer.delete(Point(i, cursor.y), cursor)
|
|
|
|
# undo/redo
|
|
class Undo(Method):
|
|
'''Undo last action'''
|
|
def _execute(self, w, **vargs):
|
|
try:
|
|
w.undo()
|
|
except Exception, e:
|
|
w.set_error("%s" % (e))
|
|
class Redo(Method):
|
|
'''Redo last undone action'''
|
|
def _execute(self, w, **vargs):
|
|
try:
|
|
w.redo()
|
|
except Exception, e:
|
|
w.set_error("%s" % (e))
|
|
|
|
class UnindentBlock(Method):
|
|
'''Prepend 4 spaces to each line in region'''
|
|
def _execute(self, w, **vargs):
|
|
cursor = w.logical_cursor()
|
|
if cursor < w.mark:
|
|
p1 = cursor
|
|
p2 = w.mark
|
|
elif w.mark < cursor:
|
|
p1 = w.mark
|
|
p2 = cursor
|
|
else:
|
|
w.input_line = "Empty kill region"
|
|
return
|
|
lines = w.buffer.lines[p1.y:p2.y]
|
|
for i in range(0, len(lines)):
|
|
if lines[i].startswith(' '):
|
|
lines[i] = lines[i][4:]
|
|
w.buffer.delete(Point(0, p1.y), Point(0, p2.y))
|
|
w.buffer.insert_string(Point(0, p1.y), '\n'.join(lines) + '\n')
|
|
class IndentBlock(Method):
|
|
'''Add 4 spaces to each line in region'''
|
|
def _execute(self, w, **vargs):
|
|
cursor = w.logical_cursor()
|
|
if cursor < w.mark:
|
|
p1 = cursor
|
|
p2 = w.mark
|
|
elif w.mark < cursor:
|
|
p1 = w.mark
|
|
p2 = cursor
|
|
else:
|
|
w.input_line = "Empty kill region"
|
|
return
|
|
lines = w.buffer.lines[p1.y:p2.y]
|
|
tstr = ' ' * w.mode.tabwidth
|
|
for i in range(0, len(lines)):
|
|
lines[i] = tstr + lines[i]
|
|
w.buffer.delete(Point(0, p1.y), Point(0, p2.y))
|
|
w.buffer.insert_string(Point(0, p1.y), '\n'.join(lines) + '\n')
|
|
|
|
class FileDiff(Method):
|
|
'''diff the buffer's contents with the given file'''
|
|
args = [arg("path", t=type(""), p="Filename: ", dt='path',
|
|
h="path to diff against current buffer's contents")]
|
|
def _execute(self, w, **vargs):
|
|
cmd = ("/usr/bin/diff", '-u', '-', vargs['path'])
|
|
pipe = Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=PIPE)
|
|
pid = pipe.pid
|
|
|
|
indata = w.buffer.make_string()
|
|
pipe.stdin.write(indata)
|
|
pipe.stdin.close()
|
|
|
|
outdata = pipe.stdout.read()
|
|
errdata = pipe.stderr.read()
|
|
status = pipe.wait() >> 8
|
|
|
|
if status == 0:
|
|
w.set_error("No difference found")
|
|
elif status == 1:
|
|
w.application.data_buffer("*Diff*", outdata, switch_to=True, modename='diff')
|
|
w.set_error("Differences were found")
|
|
else:
|
|
w.application.data_buffer("*Diff*", errdata, switch_to=True)
|
|
w.set_error("There was an error: %d exited with status %s" % (pid, status))
|
|
|
|
class SetMode(Method):
|
|
'''Set the mode of the current buffer'''
|
|
args = [arg('mode', dt='mode', p="Enter new mode: ")]
|
|
def _execute(self, w, **vargs):
|
|
mode_name = vargs['mode']
|
|
m = w.application.modes[mode_name](w)
|
|
w.set_mode(m)
|
|
w.set_error('Set mode to %r' % (mode_name))
|
|
|
|
class Cancel(Method):
|
|
'''Cancel command in-progress, and return to the main buffer'''
|
|
def execute(self, w, **vargs):
|
|
w.application.close_mini_buffer()
|
|
w.set_error('Cancel')
|
|
|
|
class SplitWindow(Method):
|
|
'''Split the main window horizontally into upper and lower windows'''
|
|
def execute(self, w, **vargs):
|
|
a = w.application
|
|
a.add_slot()
|
|
if not w.cursor_is_visible():
|
|
p = w.first
|
|
w.goto(p)
|
|
n = len(a.bufferlist.slots)
|
|
a.set_error('Window has been split into %d windows!' % n)
|
|
|
|
class UnsplitWindow(Method):
|
|
'''Maximize the current window to fill the screen'''
|
|
def execute(self, w, **vargs):
|
|
w.application.single_slot()
|
|
w.set_error('Window has been unsplit back to one window!')
|
|
|
|
class CloseTag(Method):
|
|
mytag = ')'
|
|
def _execute(self, w, **vargs):
|
|
# first, de-reference some variables and actually do the insertion
|
|
# NOTE: we derence the cursor *before* inserting the character, so it is
|
|
# expecected that the cursor variable should be the point the new
|
|
# character is on.
|
|
(x, y) = w.logical_cursor().xy()
|
|
w.insert_string_at_cursor(self.mytag)
|
|
app = w.application
|
|
buffer = w.buffer
|
|
highlighter = buffer.highlights[w.mode.name()]
|
|
tokens = highlighter.tokens
|
|
|
|
# REFACTOR: we have methods in window to do this now
|
|
i = 0
|
|
while i < len(tokens[y]):
|
|
token = tokens[y][i]
|
|
if token.x == x and token.string == self.mytag:
|
|
break
|
|
elif token.x <= x and token.end_x() > x:
|
|
return
|
|
i += 1
|
|
if i >= len(tokens[y]):
|
|
return
|
|
|
|
tag_stack = []
|
|
while y >= 0:
|
|
while i >= 0 and i < len(tokens[y]):
|
|
token = tokens[y][i]
|
|
n = token.name
|
|
s = token.string
|
|
if n in w.mode.closetokens and s in w.mode.closetags:
|
|
tag_stack.append(s)
|
|
elif n in w.mode.opentokens and s in w.mode.opentags:
|
|
if tag_stack[-1] == w.mode.opentags[s]:
|
|
del tag_stack[-1]
|
|
else:
|
|
app.set_error("tag mismatch; got %r expected %r" %
|
|
(s, w.mode.closetags[tag_stack[-1]]))
|
|
return
|
|
if len(tag_stack) == 0:
|
|
p = Point(token.x, y)
|
|
s = w.buffer.lines[p.y][:p.x+1]
|
|
if len(s) > 60:
|
|
s = "..." + s[-60:]
|
|
msg = 'matches %r' % s
|
|
w.set_active_point(p, msg)
|
|
return
|
|
i -= 1
|
|
y -= 1
|
|
i = len(tokens[y]) - 1
|
|
|
|
class CloseParen(CloseTag):
|
|
mytag = ')'
|
|
class CloseBrace(CloseTag):
|
|
mytag = '}'
|
|
class CloseBracket(CloseTag):
|
|
mytag = ']'
|
|
|
|
class RegisterSave(Method):
|
|
'''Save the top item of the kill stack into the named register'''
|
|
MAX_TXT = 30
|
|
MAX_REG = 18
|
|
args = [arg('name', dt="register", p="Register name: ",
|
|
h="Name of the register to use")]
|
|
def _pre_execute(self, w, **vargs):
|
|
if not w.has_kill():
|
|
raise MethodError, "No text on the kill stack"
|
|
def _execute(self, w, **vargs):
|
|
name = vargs['name']
|
|
text = w.get_kill()
|
|
w.application.registers[name] = text
|
|
if len(name) > self.MAX_REG:
|
|
name = name[:self.MAX_REG] + '...'
|
|
if len(text) > self.MAX_TXT:
|
|
text = text[:self.MAX_TXT] + '...'
|
|
w.set_error('Saved %r into register %r' % (text, name))
|
|
|
|
class RegisterRestore(Method):
|
|
'''Push the value saved in the named register onto the kill stack'''
|
|
MAX_TXT = 30
|
|
MAX_REG = 18
|
|
args = [arg('name', dt="register", p="Register name: ",
|
|
h="Name of the register to use")]
|
|
def _execute(self, w, **vargs):
|
|
name = vargs['name']
|
|
if name not in w.application.registers:
|
|
w.set_error('Register %r does not exist' % name)
|
|
return
|
|
app = w.application
|
|
text = app.registers[name]
|
|
w.push_kill(text)
|
|
if len(text) > self.MAX_TXT:
|
|
text = text[0:self.MAX_TXT] + '...'
|
|
if len(name) > self.MAX_REG:
|
|
name = name[0:self.MAX_REG] + '...'
|
|
w.set_error('Restored %r from register %r' % (text, name))
|