pmacs3/method/__init__.py

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import os, commands, re, sets, tempfile
from subprocess import Popen, PIPE, STDOUT
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import buffer, default, dirutil, regex, util, window
from point import Point
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DATATYPES = {
"path": None,
"buffer": None,
"method": None,
"command": None,
"shell": None,
"shellcommand": None,
}
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class MethodError(Exception):
pass
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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):
self.name = name
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self.type = type
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self.datatype = datatype
if prompt is None:
self.prompt = "%s: " % (name)
else:
self.prompt = prompt
self.help = help
self.load_default = load_default
self.default = default
def coerce_to_type(self, value):
if self.type == type(0):
try:
return int(value, 0)
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except:
raise Exception, "expected int; got %s" % (repr(value))
else:
return value
def ask_for_value(self, method, w, **vargs):
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app = w.application
assert app.mini_buffer_is_open() is False, "Recursive minibuffer antics"
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vargs2 = vargs.copy()
assert callable(self.default), "default value func must be callable"
if self.load_default:
d = None
starting_value = self.default(w)
else:
d = self.default(w)
starting_value = None
def return_value(v):
if d is not None and v == "":
v = d
vargs2[self.name] = self.coerce_to_type(v)
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app.close_mini_buffer()
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method.execute(w, **vargs2)
tabber = DATATYPES.get(self.datatype, None)
if d is not None:
p = self.prompt + "(%s) " % (d)
else:
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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def __init__(self):
self.name = self._name()
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self.help = self.__doc__
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def _name(cls):
s = cls.__name__
s2 = s[0].lower()
for c in s[1:]:
if c.isupper():
s2 += '-' + c.lower()
elif c == '_':
s2 += '-'
else:
s2 += c
return s2
_name = classmethod(_name)
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def _pre_execute(self, w, **vargs):
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pass
def execute(self, w, **vargs):
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try:
self._pre_execute(w, **vargs)
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:
if arg.name not in vargs:
self.old_window = w
arg.ask_for_value(self, w, **vargs)
return
self._execute(w, **vargs)
def _execute(self, w, **vargs):
raise Exception, "Unimplemented Method: %s %r" % (self.name, vargs)
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class AboutPmacs(Method):
'''print some information about pmacs'''
def _execute(self, w, **vargs):
a = w.application
if not a.has_buffer_name('*About*'):
b = buffer.AboutBuffer()
a.add_buffer(b)
window.Window(b, a)
b = a.bufferlist.get_buffer_by_name('*About*')
if a.window().buffer is not b:
a.switch_buffer(b)
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class GotoChar(Method):
'''Jump to the specified character'''
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args = [Argument("charno", type=type(0), prompt="Goto char: ")]
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def _execute(self, w, **vargs):
w.goto_char(vargs["charno"])
class ForwardChars(Method):
'''Move forward the specified number of characters'''
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args = [Argument("charno", type=type(0), prompt="Forward chars: ")]
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def _execute(self, w, **vargs):
w.forward_chars(vargs["charno"])
class GotoLine(Method):
'''Jump to the specified line number'''
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args = [Argument("lineno", type=type(0), prompt="Goto line: ")]
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def _execute(self, w, **vargs):
n = vargs["lineno"]
if n < 0:
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n = len(w.buffer.lines) + n + 1
if n > len(w.buffer.lines):
n = len(w.buffer.lines)
elif n < 1:
n = 1
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w.goto_line(n)
class ForwardLines(Method):
'''Move forward the specified number of characters'''
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args = [Argument("lineno", type=type(0), prompt="Forward lines: ")]
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def _execute(self, w, **vargs):
w.forward_lines(vargs["lineno"])
# search and replace
class Search(Method):
'''Interactive search; finds next occurance of text in buffer'''
is_literal = True
direction = 'next'
prompt = 'I-Search: '
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def execute(self, w, **vargs):
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self.old_cursor = w.logical_cursor()
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self.old_window = w
w.application.open_mini_buffer(self.prompt, lambda x: None, self, None, 'search')
class ReverseSearch(Search):
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'''Interactive search; finds previous occurance of text in buffer'''
direction = 'previous'
class RegexSearch(Search):
'''Interactive search; finds next occurance of regex in buffer'''
is_literal = False
prompt = 'I-RegexSearch: '
class RegexReverseSearch(RegexSearch):
'''Interactive search; finds prevoius occurance of regex in buffer'''
direction = 'previous'
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class Replace(Method):
'''Replace occurances of string X with string Y'''
is_literal = True
args = [Argument('before', prompt="Replace String: ",
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default=default.last_replace_before, load_default=True),
Argument('after', prompt="Replace With: ",
default=default.last_replace_after, load_default=True)]
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def _execute(self, w, **vargs):
a = w.application
a.last_replace_before = self.before = vargs['before']
a.last_replace_after = self.after = vargs['after']
self.old_window = w
a.open_mini_buffer('I-Replace: ', lambda x: None, self, None, 'replace')
class RegexReplace(Method):
'''Replace occurances of string X with string Y'''
is_literal = False
args = [Argument('before', prompt="Replace Regex: ",
default=default.last_replace_before, load_default=True),
Argument('after', prompt="Replace With: ",
default=default.last_replace_after, load_default=True)]
def _execute(self, w, **vargs):
w.application.last_replace_before = self.before = vargs['before']
w.application.last_replace_after = self.after = vargs['after']
self.old_window = w
f = lambda x: None
w.application.open_mini_buffer('I-RegexReplace: ', f, self, None, 'replace')
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# navigating between buffers
class OpenFile(Method):
'''Open file in a new buffer, or go to file's open buffer'''
args = [Argument('filename', datatype="path", prompt="Open File: ",
default=default.path_dirname, load_default=True)]
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def _execute(self, w, **vargs):
b = w.application.open_path(vargs['filename'])
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SwitchBuffer().execute(w, buffername=b.name())
class OpenAesFile(Method):
'''Open AES encrypted file in a new buffer, or go to file's open buffer'''
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args = [Argument('filename', datatype="path", prompt="Open AES File: "),
Argument('password', prompt="Use AES Password: ")]
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def _execute(self, w, **vargs):
b = w.application.open_path(vargs['filename'], 'aes', vargs['password'])
SwitchBuffer().execute(w, buffername=b.name())
return
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class ViewBufferParent(Method):
def _execute(self, w, **vargs):
b = w.buffer
if not hasattr(b, 'path'):
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w.set_error('Buffer has no path')
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elif b.path == '/':
w.set_error("Root directory has no parent")
else:
path = os.path.dirname(b.path)
w.application.methods['open-file'].execute(w, filename=path)
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class SwitchBuffer(Method):
'''Switch to a different'''
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args = [Argument('buffername', datatype="buffer", prompt="Switch To Buffer: ",
default=default.last_buffer)]
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def _pre_execute(self, w, **vargs):
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a = w.application
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if len(a.bufferlist.buffers) < 1:
raise Exception, "No other buffers"
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def _execute(self, w, **vargs):
name = vargs['buffername']
buf = None
if w.application.has_buffer_name(name):
b = w.application.bufferlist.get_buffer_by_name(name)
w.application.switch_buffer(b)
else:
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w.set_error("buffer %r was not found" % name)
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class KillBuffer(Method):
'''Close the current buffer'''
force=False
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args = [Argument('buffername', datatype="buffer", prompt="Kill Buffer: ",
default=default.current_buffer)]
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def _execute(self, w, **vargs):
name = vargs['buffername']
a = w.application
assert name in a.bufferlist.buffer_names, "Buffer %r does not exist" % name
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assert name != '*Scratch*', "Can't kill scratch buffer"
self._to_kill = a.bufferlist.buffer_names[name]
self._old_window = w
if self.force or not self._to_kill.changed():
self._doit()
else:
self._prompt = "Buffer has unsaved changes; kill anyway? "
a.open_mini_buffer(self._prompt, self._callback)
def _doit(self):
a = self._old_window.application
b = self._to_kill
if a.bufferlist.is_buffer_visible(b):
a.bufferlist.set_slot(a.active_slot, a.bufferlist.hidden_buffers[0])
a.bufferlist.remove_buffer(b)
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b.close()
def _callback(self, v):
a = self._old_window.application
if v == 'yes':
self._doit()
a.close_mini_buffer()
elif v == 'no':
a.close_mini_buffer()
else:
a.close_mini_buffer()
a.set_error('Please type "yes" or "no"')
class ForceKillBuffer(KillBuffer):
force=True
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args = [Argument('buffername', datatype="buffer", prompt="Force Kill Buffer: ",
default=default.current_buffer)]
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class ListBuffers(Method):
'''List all open buffers in a new buffer'''
def _execute(self, w, **vargs):
bl = w.application.bufferlist
bnames = [b.name() for b in bl.buffers]
bnames.sort()
data = '\n'.join(bnames)
w.application.data_buffer("*Buffers*", data, switch_to=True)
class SaveBufferAs(Method):
'''Save the contents of a buffer to the specified path'''
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args = [Argument('path', datatype="path", prompt="Write file: ",
default=default.current_working_dir, load_default=True)]
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def _execute(self, w, **vargs):
curr_buffer = w.buffer
curr_buffer_name = curr_buffer.name()
data = curr_buffer.make_string()
path = os.path.realpath(os.path.expanduser(vargs['path']))
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w.set_error("got %r (%d)" % (path, len(data)))
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if w.application.has_buffer_name(path):
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w.set_error("buffer for %r is already open" % path)
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return
w.application.file_buffer(path, data, switch_to=True)
if curr_buffer_name != '*Scratch*':
w.application.methods['kill-buffer'].execute(w, buffername=curr_buffer_name)
else:
curr_buffer.set_data('')
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w.set_error('Wrote %r' % path)
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class SaveBuffer(Method):
'''Save the contents of a buffer'''
def _execute(self, w, **vargs):
if w.buffer.changed():
w.buffer.save()
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w.set_error("Wrote %s" % (w.buffer.path))
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else:
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w.set_error("(No changes need to be saved)")
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class RelexBuffer(Method):
'''Relex the buffer; this resets syntax highlighting'''
def _execute(self, w, **vargs):
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h = w.get_highlighter()
if h is None:
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w.set_error("No lexer for buffer.")
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else:
h.highlight(w.buffer.lines)
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w.set_error("Buffer relexed.")
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class ToggleWindow(Method):
'''Move between visible windows'''
def _execute(self, w, **vargs):
w.application.toggle_window()
# complex text maniuplation
class TransposeWords(Method):
'''Switch the place of the two words nearest the cursor'''
pass
# you wanna quit right?
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class Exit(Method):
'''Exit the program, unless there are unsaved changes'''
def _execute(self, w, **vargs):
a = w.application
assert a.mini_buffer_is_open() is False, "Recursive minibuffer antics"
changed = False
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for b in w.application.bufferlist.buffers:
changed = b.changed()
if changed:
break
if not changed:
w.application.exit()
return
else:
self._old_window = w
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self._prompt = "There are buffers with unsaved changes; exit anyway? "
a.open_mini_buffer(self._prompt, self._callback)
def _callback(self, v):
a = self._old_window.application
if v == 'yes':
a.exit()
a.close_mini_buffer()
if v == 'no':
return
a.open_mini_buffer(self._prompt, self._callback)
a.set_error('Please type "yes" or "no"')
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# insert text
class InsertString(Method):
_is_method = False
def __init__(self, s):
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self.name = "insert-string-%s" % s
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self.args = []
self.help = "Insert %r into the current buffer." % s
self.string = s
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def _execute(self, w, **vargs):
w.insert_string_at_cursor(self.string)
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class OverwriteChar(Method):
_is_method = False
def __init__(self, c):
self.name = 'overwrite-char-%s' % c
self.args = []
self.help = "Overwrite %r into the current buffer." % c
self.char = c
def _execute(self, w, **vargs):
w.overwrite_char_at_cursor(self.char)
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# killing/copying/etc.
class Kill(Method):
'''Kill the contents of the current line'''
def _execute(self, w, **vargs):
w.kill_line()
class KillRegion(Method):
'''Kill the region between the mark and the cursor'''
def _execute(self, w, **vargs):
w.kill_region()
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w.set_error("Region killed by %s" % self.name)
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class Copy(Method):
'''Copy the contents of the current line'''
def _execute(self, w, **vargs):
w.copy_line()
class CopyRegion(Method):
'''Copy the region between the mark and the cursor'''
def _execute(self, w, **vargs):
w.copy_region()
w.set_active_point(w.mark)
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w.set_error("Region copied")
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class Yank(Method):
'''Paste the top item in the kill ring into the buffer'''
def _execute(self, w, **vargs):
if w.application.has_kill():
w.yank()
else:
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w.set_error("Kill ring is empty")
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class ShowKill(Method):
'''Display the top item in the kill ring'''
def _execute(self, w, **vargs):
if w.application.has_kill():
s = w.application.get_kill()
x = w.application.x
if len(s) > x - 40:
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):
'''Pop the top item in the kill ring off'''
def _execute(self, w, **vargs):
if w.application.has_kill():
s = w.pop_kill()
x = w.application.x
if len(s) > x - 40:
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
class DeleteLeft(Method):
'''Delete the character to the left of the cursor'''
def _execute(self, w, **vargs):
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(x, y) = w.logical_cursor().xy()
line = w.buffer.lines[y]
tabwidth = w.mode.tabwidth
if x >= tabwidth and x % tabwidth == 0 and line[0:x].isspace():
w.kill(Point(x - tabwidth, y), Point(x, y))
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else:
w.left_delete()
class DeleteRight(Method):
'''Delete the character under the cursor'''
def _execute(self, w, **vargs):
cursor = w.logical_cursor()
line = w.buffer.lines[cursor.y]
if len(line[cursor.x:]) >= 4 and line[:cursor.x + 4].isspace():
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w.kill(Point(cursor.x, cursor.y),
Point(cursor.x + 4, cursor.y))
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else:
w.right_delete()
class DeleteLeftWord(Method):
'''Delete the from the cursor left to the end of the word'''
def _execute(self, w, **vargs):
w.kill_left_word()
class DeleteRightWord(Method):
'''Delete the from under cursor right to the end of the word'''
def _execute(self, w, **vargs):
w.kill_right_word()
class DeleteLeftWhitespace(Method):
'''Delete all contiguous of whitespace left of the cursor'''
def _execute(self, w, **vargs):
c = w.logical_cursor()
p = c
l = w.point_left(p)
if l is None:
return
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while l is not None and w.point_char(l) in (' ', '\n'):
p = l
l = w.point_left(p)
if p < c:
w.kill(p, c)
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class DeleteRightWhitespace(Method):
'''Delete all contiguous of whitespace under and right of the cursor'''
def _execute(self, w, **vargs):
c = w.logical_cursor()
p = c
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while w.point_char(p) in (' ', '\n'):
r = w.point_right(p)
if r is None:
break
p = r
if p > c:
w.kill(c, p)
class DeleteLeftSpace(Method):
'''Delete all contiguous spaces left of the cursor'''
def _execute(self, w, **vargs):
c = w.logical_cursor()
p = c
l = w.point_left(p)
if l is None:
return
while l is not None and w.point_char(l) == ' ':
p = l
l = w.point_left(p)
if p < c:
w.kill(p, c)
class DeleteRightSpace(Method):
'''Delete all contiguous spaces under and right of the cursor'''
def _execute(self, w, **vargs):
c = w.logical_cursor()
p = c
while w.point_char(p) == ' ':
r = w.point_right(p)
if r is None:
break
p = r
if p > c:
w.kill(c, p)
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# random stuff
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class DumpRegions(Method):
'''debug region highlighting'''
def _execute(self, w, **vargs):
lines = []
for (w, p1, p2) in w.application.highlighted_ranges:
lines.append("%r %s %s" % (w, p1, p2))
output = "\n".join(lines)
w.application.data_buffer("region-dump", output, switch_to=True)
class DumpMarkers(Method):
'''Dump all tab markers (tab debugging)'''
def _execute(self, w, **vargs):
lines = []
if w.mode.tabber:
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keys = w.mode.tabber.lines.keys()
keys.sort()
for i in keys:
line = w.mode.tabber.lines[i]
lines.append("LINE %d: %r" % (i, line))
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lines.append(" %s" % repr(w.mode.tabber.record[i]))
else:
lines.append("no tokens")
output = "\n".join(lines)
w.application.data_buffer("marker-dump", output, switch_to=True)
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class DumpTokens(Method):
'''Dump all lexical tokens (syntax highlighting debugging)'''
def _execute(self, w, **vargs):
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modename = w.mode.name()
lines = []
if modename in w.buffer.highlights:
tokens = w.buffer.highlights[modename].tokens
for i in range(0, len(tokens)):
lines.append("LINE %d" % i)
group = tokens[i]
for token in group:
fqname = token.fqname()
p1 = Point(token.x, token.y)
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if token.parent is None:
pcoord = ''
else:
pcoord = '[%d, %d]' % (token.parent.x, token.parent.y)
if fqname in w.mode.ghist and p1 in w.mode.ghist[fqname]:
g = '[' + w.mode.ghist[fqname][p1].name() + ']'
else:
g = ''
fields = (str(p1), pcoord, token.fqname(), g, token.string)
lines.append(' %-10s %-10s %-20s %-10s %r' % fields)
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else:
lines.append("no tokens")
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output = "\n".join(lines)
w.application.data_buffer("token-dump", output, switch_to=True)
class MetaX(Method):
'''Invoke commands by name'''
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args = [Argument('method', datatype="method", prompt="M-x ")]
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def _execute(self, w, **vargs):
name = vargs['method']
if name in w.application.methods:
w.application.methods[name].execute(w)
else:
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w.set_error('no method named %r found' % name)
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class ToggleMargins(Method):
'''Show or hide column margins'''
def _execute(self, w, **vargs):
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w.margins_visible = not w.margins_visible
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class CenterView(Method):
'''Move view to center on cursor'''
def _execute(self, w, **vargs):
w.center_view()
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class SetMark(Method):
'''Set the mark to the current cursor location'''
def _execute(self, w, **vargs):
w.set_mark()
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class SwitchMark(Method):
'''Switch the mark and the cursor locations'''
def _execute(self, w, **vargs):
w.switch_mark()
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# insertion methods
class InsertNewline(Method):
'''Insert newline into buffer at the cursor'''
def _execute(self, w, **vargs):
w.insert_string_at_cursor('\n')
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class InsertSpace(Method):
'''Insert space into buffer at the cursor'''
def _execute(self, w, **vargs):
w.insert_string_at_cursor(' ')
class GetIndentionLevel(Method):
'''Calculate the indention level for this line'''
def _execute(self, w, **vargs):
cursor = w.logical_cursor()
if not w.mode.tabber:
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w.set_error('No tabber available')
return
else:
i = w.mode.tabber.get_level(cursor.y)
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w.set_error('Indention level: %r' % i)
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class InsertTab(Method):
'''Insert tab into buffer, or tabbify line, depending on mode'''
def _execute(self, w, **vargs):
cursor = w.logical_cursor()
if w.mode.tabber:
i = w.mode.tabber.get_level(cursor.y)
else:
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:
j = w.buffer.count_leading_whitespace(cursor.y)
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if i != j:
KillWhitespace().execute(w)
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w.insert_string(Point(0, cursor.y), ' ' * i)
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else:
w.goto(Point(j, cursor.y))
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class KillWhitespace(Method):
'''Delete leading whitespace on current line'''
def _execute(self, w, **vargs):
cursor = w.logical_cursor()
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
class TabBuffer(Method):
'''Tabbify every line in the current buffer'''
def _execute(self, w, **vargs):
y = w.logical_cursor().y
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it = InsertTab()
for i in range(0, len(w.buffer.lines)):
w.goto_line(i)
it.execute(w)
w.goto_line(y)
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# commenting
class CommentRegion(Method):
'''Prepend a comment to every line in the current buffer'''
def _execute(self, w, **vargs):
cursor = w.logical_cursor()
if cursor < w.mark:
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p1 = cursor
p2 = w.mark
elif w.mark < cursor:
p1 = w.mark
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p2 = cursor
else:
w.input_line = "Empty kill region"
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return
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):
'''Remove a comment from every line in the current buffer'''
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
for y in range(p1.y, p2.y):
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
class WrapLine(Method):
limit = 80
space_re = re.compile(' +')
def _token_len(self, tokens):
l = 0
for t in tokens:
l += len(t)
return l
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def _find_line_bounds(self, tokens, x, y):
if len(tokens[0]) > self.limit:
i = 1
else:
i = 0
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l = self._token_len(tokens[:i+1])
while i < len(tokens) and l <= self.limit:
i += 1
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l = self._token_len(tokens[:i+1])
while i > 1 and tokens and tokens[i-1].isspace():
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token = tokens.pop(i-1)
l -= len(token)
if x > l:
x -= len(token)
i -= 1
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return i, x, y
def _clear_preceeding_spaces(self, tokens, x, y):
while tokens and self.space_re.match(tokens[0]):
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if x > 0:
x = max(0, x - len(tokens[0]))
del tokens[0]
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return x, y
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def _wrap_line(self, line, x, y):
tokens = re.findall('[^ ]+| +', line)
if self._token_len(tokens) <= self.limit:
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return None, None, None
lines = []
while tokens and self._token_len(tokens) > self.limit:
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i, x, y = self._find_line_bounds(tokens, x, y)
s = ''.join(tokens[:i])
lines.append(s)
if x > len(s):
y += 1
x -= len(s)
del tokens[:i]
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x, y = self._clear_preceeding_spaces(tokens, x, y)
if tokens:
lines.append(''.join(tokens) + ' ')
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return lines, x, y
def _execute(self, w, **vargs):
cursor = w.logical_cursor()
x, y = cursor.xy()
lines, x, y = self._wrap_line(w.buffer.lines[y], x, y)
if lines is None:
return
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(WrapLine):
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limit = 80
empty_re = regex.whitespace
prefix_re = regex.leading_whitespace
def _execute(self, w, **vargs):
c = w.logical_cursor()
y2 = y1 = c.y
x2 = x1 = 0
line = w.buffer.lines[y1]
if self.empty_re.match(line):
return
m = self.prefix_re.match(line)
prefix = m.group(0)
lines = [line.strip()]
y2 += 1
while y2 + 1 < len(w.buffer.lines):
line = w.buffer.lines[y2 + 1]
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if self.empty_re.match(line):
break
y2 += 1
s = line.strip()
if s:
lines.append(s)
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x, y = c.xy()
longline = ' '.join(lines)
lines, x, y = self._wrap_line(longline, x, y)
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if lines is None:
return
p1 = Point(x1, y1)
if y2 == len(w.buffer.lines):
y2 -= 1
x2 = len(w.buffer.lines[y2])
p2 = Point(x2, y2)
w.buffer.delete(p1, p2)
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w.buffer.insert_lines(Point(0, c.y), lines)
while y >= len(w.buffer.lines):
x = 0
w.buffer.insert_string(Point(len(w.buffer.lines[-1], len(w.buffer.lines) - 1)), '\n')
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w.goto(Point(x, y))
class WrapParagraph2(Method):
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limit = 80
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valid_re = re.compile('^( *)([^ ].*)$')
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empty_re = regex.whitespace
prefix_re = None
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def _execute(self, w, **vargs):
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# we will store the start of our paragaph in p1, and also the original
# cursor position.
p1 = oldc = w.logical_cursor()
cur_offset = 0
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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
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# 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)
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break
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# 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
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while k < len(newlines) - 1 and x > len(newlines[k]):
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x = x - len(newlines[k]) - 1
y += 1
k += 1
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# 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))
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class JustifyRight(Method):
'''Justify text with the previous line right from the cursor by whitespace'''
def _execute(self, w, **vargs):
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DeleteLeftSpace().execute(w)
cursor = w.logical_cursor()
prev_line = w.buffer.lines[cursor.y-1]
this_line = w.buffer.lines[cursor.y]
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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)
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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]
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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
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w.buffer.delete(Point(i, cursor.y), cursor)
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# undo/redo
class Undo(Method):
'''Undo last action'''
def _execute(self, w, **vargs):
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try:
w.undo()
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except Exception, e:
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w.set_error("%s" % (e))
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class Redo(Method):
'''Redo last undone action'''
def _execute(self, w, **vargs):
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try:
w.redo()
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except Exception, e:
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w.set_error("%s" % (e))
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# w navigation methods
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class StartOfLine(Method):
'''Move the cursor to the start of the current line'''
def _execute(self, w, **vargs):
w.start_of_line()
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class EndOfLine(Method):
'''Move the cursor to the end of the current line'''
def _execute(self, w, **vargs):
w.end_of_line()
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class Forward(Method):
'''Move the cursor right one character'''
def _execute(self, w, **vargs):
w.forward()
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class Backward(Method):
'''Move the cursor left one character'''
def _execute(self, w, **vargs):
w.backward()
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class NextLine(Method):
'''Move the cursor down one line'''
def _execute(self, w, **vargs):
w.next_line()
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class PreviousLine(Method):
'''Move the cursor up one line'''
def _execute(self, w, **vargs):
w.previous_line()
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class PageUp(Method):
'''Move the cursor up one page'''
def _execute(self, w, **vargs):
w.page_up()
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class PageDown(Method):
'''Move the cursor down one page'''
def _execute(self, w, **vargs):
w.page_down()
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class GotoBeginning(Method):
'''Move the cursor to the beginning of the buffer'''
def _execute(self, w, **vargs):
w.goto_beginning()
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class GotoEnd(Method):
'''Move the cursor to the end of the buffer'''
def _execute(self, w, **vargs):
w.goto_end()
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class RightWord(Method):
'''Move the cursor to the start of the word to the right'''
def _execute(self, w, **vargs):
w.right_word()
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class LeftWord(Method):
'''Move the cursor to the start of the word to the left'''
def _execute(self, w, **vargs):
w.left_word()
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class NextSection(Method):
'''Move the cursor to the next section'''
def _execute(self, w, **vargs):
cursor = w.logical_cursor()
i = cursor.y + 1
seen_null_line = False
while i < len(w.buffer.lines):
if seen_null_line:
w.goto_line(i)
break
seen_null_line = regex.whitespace.match(w.buffer.lines[i])
i += 1
class PreviousSection(Method):
'''Move the cursor to the previous section'''
def _execute(self, w, **vargs):
cursor = w.logical_cursor()
i = cursor.y - 1
seen_null_line = False
while i >= 0:
if seen_null_line:
w.goto_line(i)
break
seen_null_line = regex.whitespace.match(w.buffer.lines[i])
i -= 1
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:]
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w.buffer.delete(Point(0, p1.y), Point(0, p2.y))
w.buffer.insert_string(Point(0, p1.y), '\n'.join(lines) + '\n')
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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]
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tstr = ' ' * w.mode.tabwidth
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for i in range(0, len(lines)):
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lines[i] = tstr + lines[i]
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w.buffer.delete(Point(0, p1.y), Point(0, p2.y))
w.buffer.insert_string(Point(0, p1.y), '\n'.join(lines) + '\n')
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class OpenConsole(Method):
'''Evaluate python expressions (for advanced use and debugging only)'''
def execute(self, w, **vargs):
a = w.application
if not a.has_buffer_name('*Console*'):
b = buffer.ConsoleBuffer()
a.add_buffer(b)
window.Window(b, a)
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b = a.bufferlist.get_buffer_by_name('*Console*')
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if a.window().buffer is not b:
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a.switch_buffer(b)
f = lambda x: None
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w.application.open_mini_buffer('>>> ', f, self, None, 'consolemini')
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class ShellCmd(Method):
'''Run a command in a shell and put the output in a new buffer'''
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args = [Argument("cmd", type=type(""), prompt="$ ", datatype='shell')]
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def _execute(self, w, **vargs):
cmd = "PBUF='%s'; %s" % (w.buffer.name(), vargs['cmd'])
(status, data) = commands.getstatusoutput(cmd)
if status == 0:
mesg = 'ok'
else:
mesg = 'error'
data += "\nprocess exited with status %d (%s)" % (status, mesg)
w.application.data_buffer("*Shell*", data, switch_to=True)
class FileDiff(Method):
'''diff the buffer's contents with the given file'''
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args = [Argument("path", type=type(""), prompt="Filename: ", datatype='path')]
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def _execute(self, w, **vargs):
cmd = ("/usr/bin/diff", '-u', '-', vargs['path'])
pipe = Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=PIPE)
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pid = pipe.pid
indata = w.buffer.make_string()
pipe.stdin.write(indata)
pipe.stdin.close()
outdata = pipe.stdout.read()
errdata = pipe.stderr.read()
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status = pipe.wait() >> 8
if status == 0:
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w.set_error("No difference found")
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elif status == 1:
w.application.data_buffer("*Diff*", outdata, switch_to=True, modename='diff')
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w.set_error("Differences were found")
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else:
w.application.data_buffer("*Diff*", errdata, switch_to=True)
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w.set_error("There was an error: %d exited with status %s" % (pid, status))
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class SvnDiff(Method):
'''diff the current file with the version in SVN'''
def _execute(self, w, **vargs):
if not hasattr(w.buffer, 'path'):
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w.set_error("Buffer has no corresponding file")
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return
cmd = "svn diff %r" % w.buffer.path
(status, data) = commands.getstatusoutput(cmd)
if status == 0:
if data:
w.application.data_buffer("*Diff*", data, switch_to=True, modename='diff')
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w.set_error("Differences were found")
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else:
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w.set_error("No difference found")
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else:
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w.set_error("There was an error (%s)" % (status))
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class SvnBlame(Method):
'''show blame output for the current version in SVN'''
line_re = re.compile('^ *(\d+) *([a-zA-Z0-9_]+) *([-0-9]+) *([:0-9]+) *(-\d{4}) *\(([^\)]+)\) (.*)$')
def _execute(self, w, **vargs):
if not hasattr(w.buffer, 'path'):
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w.set_error("Buffer has no corresponding file")
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return
cmd = ("/usr/bin/svn", 'blame', '-v', w.buffer.path)
pipe = Popen(cmd, stdin=PIPE, stdout=PIPE)
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lines = []
for line in pipe.stdout:
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m = self.line_re.match(line)
if not m:
raise Exception, line
(rev, user, date, t, tz, vdate, content) = m.groups()
lines.append("%-4s %-10s %10s %s\n" % (rev, user, date, content))
data = ''.join(lines)
status = pipe.wait() >> 8
if status == 0:
w.application.data_buffer("*Blame*", data, switch_to=True, modename='blame')
else:
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w.set_error("There was an error (%s)" % (status))
class CvsCommit(Method):
'''diff the current file with the version in CVS'''
args = [Argument("msg", type=type(""), prompt="Commit Message: ")]
regex = re.compile('^new revision: ([0-9.]+); previous revision: ([0-9.]+)$')
def _execute(self, w, **vargs):
if not hasattr(w.buffer, 'path'):
w.set_error("Buffer has no corresponding file")
return
cwd = os.getcwd() + os.path.sep
path = w.buffer.path
if path.startswith(cwd):
path = path[len(cwd):]
cmd = "cvs ci -m %r %r" % (vargs['msg'], path)
(status, data) = commands.getstatusoutput(cmd)
status = status >> 8
lines = data.split('\n')
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if status == 0:
for line in lines:
m = self.regex.match(lines[-1])
if m:
w.set_error("Committed [%s -> %s]" % (m.group(2), m.group(1)))
return
w.set_error("Up-to-date")
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else:
w.set_error("Problems with CVS commit: %d" % status)
w.application.data_buffer("*Commit*", data, switch_to=True)
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class CvsStatus(Method):
regex1 = re.compile('^File: (.+?) *\tStatus: (.*?)$')
regex2 = re.compile('^ Working revision:\t([0-9\.]+)$')
regex3 = re.compile('^ Repository revision:\t([0-9\.]+)\t(.*)$')
regex4 = re.compile('^ Sticky Tag:\t\t\((.*)\)$')
regex5 = re.compile('^ Sticky Date:\t\t\((.*)\)$')
regex6 = re.compile('^ Sticky Options:\t\((.*)\)$')
def _execute(self, w, **vargs):
if not hasattr(w.buffer, 'path'):
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w.set_error("Buffer has no corresponding file")
return
cwd = os.getcwd() + os.path.sep
path = w.buffer.path
if path.startswith(cwd):
path = path[len(cwd):]
cmd = "cvs status %r" % path
(status, data) = commands.getstatusoutput(cmd)
status = status >> 8
if status != 0:
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w.set_error("Problems with CVS status: %d" % status)
return
lines = data.split('\n')
if lines[0].startswith('cvs status: nothing known about '):
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w.set_error('File is not under CVS control')
return
m = self.regex1.match(lines[1])
assert m, "regex1 %r" % lines[1]
ffile = m.group(1)
fstatus = m.group(2)
m = self.regex2.match(lines[3])
assert m, "regex2 %r" % lines[3]
wrev = m.group(1)
m = self.regex3.match(lines[4])
assert m, "regex3 %r" % lines[4]
rrev = m.group(1)
rpath = m.group(2)
m = self.regex4.match(lines[5])
assert m, "regex4 %r" % lines[5]
stag = m.group(1)
m = self.regex5.match(lines[6])
assert m, "regex5 %r" % lines[6]
sdate = m.group(1)
m = self.regex6.match(lines[7])
assert m, "regex6 %r" % lines[7]
soptions = m.group(1)
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w.set_error('%s %s %s/%s [%s|%s|%s]' % (ffile, fstatus,
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wrev, rrev, stag,
sdate, soptions))
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class CvsDiff(Method):
'''diff the current file with the version in CVS'''
def _execute(self, w, **vargs):
if not hasattr(w.buffer, 'path'):
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w.set_error("Buffer has no corresponding file")
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return
cwd = os.getcwd() + os.path.sep
path = w.buffer.path
if path.startswith(cwd):
path = path[len(cwd):]
cmd = "cvs diff -u %r" % path
(status, data) = commands.getstatusoutput(cmd)
status = status >> 8
if status == 0:
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w.set_error("No difference found")
else:
w.application.data_buffer("*Diff*", data, switch_to=True, modename='diff')
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w.set_error("Differences were found")
class CvsDiff2(Method):
'''diff the current file with the version in CVS'''
rev_regex = re.compile('^[0-9]+\.[0-9]+$')
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args = [Argument("revision", type=type(""), prompt="Old Revision: ")]
def _execute(self, w, **vargs):
if not hasattr(w.buffer, 'path'):
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w.set_error("Buffer has no corresponding file")
return
rev = vargs['revision']
if not self.rev_regex.match(rev):
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w.set_error("Could not parse revision: %r" % rev)
return
cwd = os.getcwd() + os.path.sep
path = w.buffer.path
if path.startswith(cwd):
path = path[len(cwd):]
cmd = "cvs diff -r %s -u %r" % (rev, path)
(status, data) = commands.getstatusoutput(cmd)
status = status >> 8
if status == 0:
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w.set_error("No difference found")
else:
w.application.data_buffer("*Diff*", data, switch_to=True, modename='diff')
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w.set_error("Differences were found")
class CvsDiff3(Method):
'''diff the current file with the version in CVS'''
rev_regex = re.compile('^[0-9]+\.[0-9]+$')
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args = [Argument("revision1", type=type(""), prompt="Old Revision: "),
Argument("revision2", type=type(""), prompt="New Revision: ")]
def _execute(self, w, **vargs):
if not hasattr(w.buffer, 'path'):
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w.set_error("Buffer has no corresponding file")
return
rev1 = vargs['revision1']
if not self.rev_regex.match(rev1):
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w.set_error("Could not parse revision1: %r" % rev)
return
rev2 = vargs['revision2']
if not self.rev_regex.match(rev2):
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w.set_error("Could not parse revision2: %r" % rev)
return
cwd = os.getcwd() + os.path.sep
path = w.buffer.path
if path.startswith(cwd):
path = path[len(cwd):]
cmd = "cvs diff -r %s -r %s -u %r" % (rev1, rev2, path)
(status, data) = commands.getstatusoutput(cmd)
status = status >> 8
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if status == 0:
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w.set_error("No difference found")
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else:
w.application.data_buffer("*Diff*", data, switch_to=True, modename='diff')
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w.set_error("Differences were found")
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class CvsBlame(Method):
'''show blame output for the current version in SVN'''
line_re = re.compile('^([0-9.]+) +\(*([a-zA-Z0-9_]+) +([-0-9A-Za-z]+)\): (.*)$')
def _execute(self, w, **vargs):
if not hasattr(w.buffer, 'path'):
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w.set_error("Buffer has no corresponding file")
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return
cwd = os.getcwd() + os.path.sep
path = w.buffer.path
if path.startswith(cwd):
path = path[len(cwd):]
cmd = ("/usr/bin/cvs", 'annotate', path)
pipe = Popen(cmd, stdout=PIPE)
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tokens = []
max_rev = 0
max_user = 0
for line in pipe.stdout:
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m = self.line_re.match(line)
if not m:
raise Exception, line
(rev, user, date, content) = m.groups()
max_rev = max(max_rev, len(rev))
max_user = max(max_user, len(user))
tokens.append((rev, user, date, content))
lines = []
fmt = "%%-%ds %%-%ds %%9s %%s\n" % (max_rev, max_user)
for (rev, user, date, content) in tokens:
lines.append(fmt % (rev, user, date, content))
data = ''.join(lines)
status = pipe.wait() >> 8
if status == 0:
w.application.data_buffer("*Blame*", data, switch_to=True, modename='blame')
else:
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w.set_error("There was an error (%s)" % (status))
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class ShowBindingsBuffer(Method):
'''Dump all keybindings for current mode into a new buffer'''
def _execute(self, w, **vargs):
lines = []
mode_name = w.mode.name()
lines.append('Key bindings for mode %r:' % (mode_name))
lines.append('')
names_to_sequences = {}
seq_len = len('BINDINGS')
name_len = len('ACTION')
for seq in w.mode.bindings:
name = w.mode.bindings[seq]
if name.startswith('insert-string-'):
# we aren't going to show all the generic keypress actions
continue
# determine this for formatting
seq_len = max(seq_len, len(seq))
name_len = max(name_len, len(name))
# set up our new data structure
names_to_sequences.setdefault(name, [])
names_to_sequences[name].append(seq)
# generate the format string (note the 'meta formatting')
format_str = '%%-%ds %%-%ds %%s' % (seq_len, name_len)
lines.append(format_str % ('BINDINGS', 'ACTIONS', 'HELP'))
names = names_to_sequences.keys()
names.sort()
for name in names:
sequences = names_to_sequences[name]
sequences.sort()
seq = sequences[0]
help = w.application.methods[name].help
if help is None:
help = ''
lines.append(format_str % (seq, name, help))
for seq2 in sequences[1:]:
lines.append(format_str % (seq2, '', ''))
data = '\n'.join(lines)
w.application.data_buffer("*Bindings-Help*", data, switch_to=True)
class CmdHelpBuffer(Method):
'''Get help with the specified command'''
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args = [Argument('method', datatype="method", prompt="Help for command: ")]
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def _execute(self, w, **vargs):
lines = []
name = vargs['method']
if name not in w.application.methods:
err = "No command called %r in mode %r" % (name, w.mode.name)
raise Exception, err
m = w.application.methods[name]
lines.append('HELP FOR %r' % name)
lines.append('')
# sequences
sequences = []
for seq in w.mode.bindings:
if w.mode.bindings[seq] == name:
sequences.append(seq)
sequences.sort()
lines.append('Keys bound to this command:')
for seq in sequences:
lines.append(' %s' % (seq))
lines.append('')
# arguments
if m.args:
lines.append('Arguments for this command:')
for arg in m.args:
if arg.datatype is None:
if arg.type == type(""):
t = 'str'
elif arg.type == type(0):
t = 'int'
elif arg.type == type(0.0):
t = 'float'
else:
t = 'str'
else:
t = arg.datatype
if arg.help:
lines.append(' %s %r: %s' % (t, arg.name, arg.help))
else:
lines.append(' %s %r' % (t, arg.name))
lines.append('')
# help text
lines.append('Help text for this command:')
h = m.help
if not h:
h = 'No help available'
lines.append(' %s' % h)
data = '\n'.join(lines)
w.application.data_buffer("*Command-Help*", data, switch_to=True)
class SetMode(Method):
'''Set the mode of the current buffer'''
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args = [Argument('mode', datatype='mode', prompt="Enter new mode: ")]
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def _execute(self, w, **vargs):
mode_name = vargs['mode']
m = w.application.modes[mode_name](w)
w.set_mode(m)
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w.set_error('Set mode to %r' % (mode_name))
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class WhichCommand(Method):
'''Display which command is run for a given key-sequence'''
def _execute(self, w, **vargs):
self.old_window = w
w.application.open_mini_buffer('Enter a key sequence to be explained: ',
lambda x: None,
self,
None,
'which')
class Cancel(Method):
'''Cancel command in-progress, and return to the main buffer'''
def execute(self, w, **vargs):
w.application.close_mini_buffer()
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w.set_error('Cancel')
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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():
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p = w.first
w.goto(p)
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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()
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w.set_error('Window has been unsplit back to one window!')
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class SomethingCrazy(Method):
def _execute(self, w, **vargs):
pass
class InsertSquotes(Method):
'''Insert a pair of single-quotes into the buffer'''
def _execute(self, w, **vargs):
w.insert_string_at_cursor("''")
w.backward()
class InsertDquotes(Method):
'''Insert a pair of double-quotes into the buffer'''
def _execute(self, w, **vargs):
w.insert_string_at_cursor('""')
w.backward()
class InsertEscapedSquote(Method):
'''Insert an escaped single-quote'''
def _execute(self, w, **vargs):
w.insert_string_at_cursor("\\'")
class InsertEscapedDquote(Method):
'''Insert an escaped double-quote'''
def _execute(self, w, **vargs):
w.insert_string_at_cursor('\\"')
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class CloseTag(Method):
mytag = ')'
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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()
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w.insert_string_at_cursor(self.mytag)
app = w.application
buffer = w.buffer
highlighter = buffer.highlights[w.mode.name()]
tokens = highlighter.tokens
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# REFACTOR: we have methods in window to do this now
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i = 0
while i < len(tokens[y]):
token = tokens[y][i]
if token.x == x and token.string == self.mytag:
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break
elif token.x <= x and token.end_x() > x:
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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:
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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
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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
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class CloseParen(CloseTag):
mytag = ')'
class CloseBrace(CloseTag):
mytag = '}'
class CloseBracket(CloseTag):
mytag = ']'
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class GetToken(Method):
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'''View type and data of the "current" token'''
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def _execute(self, w, **vargs):
token = w.get_token()
if token is None:
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w.set_error('No Token')
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else:
w.set_error('Token: %r (%s)' % (token.string, token.fqname()))
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class RegisterSave(Method):
MAX_TXT = 30
MAX_REG = 20
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'''Save the top item of the kill stack into the named register'''
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args = [Argument('name', datatype="str", prompt="Register name: ")]
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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):
MAX_TXT = 30
MAX_REG = 18
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'''Push the value saved in the named register onto the kill stack'''
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args = [Argument('name', datatype="str", prompt="Register name: ")]
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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
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' % (text2, name2))
class Pipe(Method):
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'''Pipe the buffer's contents through the command, and display the output in a new buffer'''
args = [Argument('cmd', datatype="str", prompt="Command: ")]
def _parse(self, w, **vargs):
m = regex.shell_command.match(vargs['cmd'])
if m:
prog = m.group(0)
return (prog, vargs['cmd'])
else:
return (None, None)
def _execute(self, w, **vargs):
(prog, cmd) = self._parse(w, **vargs)
if prog is None:
return
pipe = Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=STDOUT)
pid = pipe.pid
indata = w.buffer.make_string()
pipe.stdin.write(indata)
pipe.stdin.close()
outdata = pipe.stdout.read()
status = pipe.wait() >> 8
bufname = '*%s*' % self.name.title()
w.application.data_buffer(bufname, outdata, switch_to=True)
w.set_error("%s exited with status %d" % (prog, status))
class Grep(Pipe):
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'''Grep the buffer's contents for instances of a pattern, and display them in a new buffer'''
args = [Argument('pattern', datatype="str", prompt="Pattern: ")]
def _parse(self, w, **vargs):
return ('grep', ('/usr/bin/grep', '-E', '-n', vargs['pattern']))
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class Exec(Method):
args = [Argument('cmd', datatype="str", prompt="Exec: ")]
def _doit(self, w, path, cmd):
try:
cmd = cmd % path
except:
w.set_error("Malformed command: %r" % cmd)
return
(status, output) = commands.getstatusoutput(cmd)
bufname = '*%s*' % self.name.title()
w.application.data_buffer(bufname, output, switch_to=True)
w.set_error("Shell exited with %d" % status)
def _execute(self, w, **vargs):
if w.buffer.btype == 'dir':
name = dirutil.resolve_name(w)
path = dirutil.resolve_path(w)
self._doit(w, path, vargs['cmd'])
dirutil.find_name(w, name)
elif hasattr(w.buffer, 'path'):
path = w.buffer.path
self._doit(w, path, vargs['cmd'])
else:
w.set_error("Don't know how to exec: %r" % w.buffer)
return
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class TokenComplete(Method):
'''Complete token names based on other tokens in the buffer'''
name_overrides = {}
def _min_completion(self, w, t):
h = w.get_highlighter()
minlen = None
if t.name in self.name_overrides:
ok = name_overrides[t.name]
else:
ok = (t.name,)
strings = {}
for line in h.tokens:
for t2 in line:
if t2 is t:
continue
elif False and t2.name not in ok:
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continue
elif t2.string.startswith(t.string):
strings[t2.string] = 1
if minlen is None:
minlen = len(t2.string)
else:
minlen = min(minlen, len(t2.string))
strings = strings.keys()
if not strings:
return ([], t.string)
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i = len(t.string)
while i < minlen:
c = strings[0][i]
for s in strings:
if s[i] != c:
return (strings, strings[0][:i])
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i += 1
return (strings, strings[0][:minlen])
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def _execute(self, w, **vargs):
t = w.get_token2()
if t is None:
w.set_error("No token to complete!")
return
elif regex.reserved_token_names.match(t.name):
w.set_error("Will not complete reserved token")
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return
(candidates, result) = self._min_completion(w, t)
if candidates:
p1 = Point(t.x, t.y)
p2 = Point(t.end_x(), t.y)
w.buffer.delete(p1, p2)
w.insert_string(p1, result)
if not candidates:
w.set_error("No completion: %r" % result)
elif len(candidates) == 1:
w.set_error("Unique completion: %r" % result)
elif result in candidates:
w.set_error("Ambiguous completion: %r" % candidates)
else:
w.set_error("Partial completion: %r" % candidates)