def MundoGetTargetState():
""" Get the current undo number that mundo is at. """
util._goto_window_for_buffer_name("__Mundo__")
target_line = vim.eval("getline('.')")
matches = re.match("^.* \[([0-9]+)\] .*$", target_line)
if matches:
return int(matches.group(1))
return 0
def GundoGetTargetState():
""" Get the current undo number that gundo is at. """
util._goto_window_for_buffer_name('__Mundo__')
target_line = vim.eval("getline('.')")
matches = re.match('^.* \[([0-9]+)\] .*$', target_line)
if matches:
return int(matches.group(1))
return 0
def MundoRenderChangePreview():
""" Render the selected undo level with the current file.
Return True on success, False on failure. """
if not _check_sanity():
return
vim.command("call s:MundoOpenPreview()")
util._output_preview_text(MundoGetChangesForLine())
util._goto_window_for_buffer_name("__Mundo__")
return True
def GundoRenderChangePreview():
""" Render the selected undo level with the current file.
Return True on success, False on failure. """
if not _check_sanity():
return
vim.command('call s:GundoOpenPreview()')
util._output_preview_text(GundoGetChangesForLine())
util._goto_window_for_buffer_name('__Mundo__')
return True
def MundoRenderPatchdiff():
""" Call MundoRenderChangePreview and display a vert diffpatch with the
current file. """
if MundoRenderChangePreview():
# if there are no lines, do nothing (show a warning).
util._goto_window_for_buffer_name("__Mundo_Preview__")
if vim.current.buffer[:] == [""]:
# restore the cursor position before exiting.
util._goto_window_for_buffer_name("__Mundo__")
vim.command('unsilent echo "No difference between current file and undo number!"')
return False
# quit out of mundo main screen
util._goto_window_for_buffer_name("__Mundo__")
vim.command("quit")
# save the __Mundo_Preview__ buffer to a temp file.
util._goto_window_for_buffer_name("__Mundo_Preview__")
(handle, filename) = tempfile.mkstemp()
vim.command("silent! w %s" % (filename))
# exit the __Mundo_Preview__ window
vim.command("bdelete")
# diff the temp file
vim.command("silent! keepalt vert diffpatch %s" % (filename))
vim.command("set buftype=nofile bufhidden=delete")
return True
return False
def GundoRenderPatchdiff():
""" Call GundoRenderChangePreview and display a vert diffpatch with the
current file. """
if GundoRenderChangePreview():
# if there are no lines, do nothing (show a warning).
util._goto_window_for_buffer_name('__Mundo_Preview__')
if vim.current.buffer[:] == ['']:
# restore the cursor position before exiting.
util._goto_window_for_buffer_name('__Mundo__')
vim.command(
'unsilent echo "No difference between current file and undo number!"'
)
return False
# quit out of gundo main screen
util._goto_window_for_buffer_name('__Mundo__')
vim.command('quit')
# save the __Mundo_Preview__ buffer to a temp file.
util._goto_window_for_buffer_name('__Mundo_Preview__')
(handle, filename) = tempfile.mkstemp()
vim.command('silent! w %s' % (filename))
# exit the __Mundo_Preview__ window
vim.command('bdelete')
# diff the temp file
vim.command('silent! keepalt vert diffpatch %s' % (filename))
vim.command('set buftype=nofile bufhidden=delete')
return True
return False
def MundoGetChangesForLine():
if not _check_sanity():
return False
target_state = MundoGetTargetState()
# Check that there's an undo state. There may not be if we're talking about
# a buffer with no changes yet.
if target_state == None:
util._goto_window_for_buffer_name("__Mundo__")
return False
else:
target_state = int(target_state)
util._goto_window_for_buffer(vim.eval("g:mundo_target_n"))
nodes, nmap = nodesData.make_nodes()
node_after = nmap[target_state]
node_before = nmap[nodesData.current()]
return nodesData.change_preview_diff(node_before, node_after)
def GundoGetChangesForLine():
if not _check_sanity():
return False
target_state = GundoGetTargetState()
# Check that there's an undo state. There may not be if we're talking about
# a buffer with no changes yet.
if target_state == None:
util._goto_window_for_buffer_name('__Mundo__')
return False
else:
target_state = int(target_state)
util._goto_window_for_buffer(vim.eval('g:mundo_target_n'))
nodes, nmap = nodesData.make_nodes()
node_after = nmap[target_state]
node_before = nmap[nodesData.current()]
return nodesData.change_preview_diff(node_before, node_after)
def MundoRenderPreview():
if not _check_sanity():
return
target_state = MundoGetTargetState()
# Check that there's an undo state. There may not be if we're talking about
# a buffer with no changes yet.
if target_state == None:
util._goto_window_for_buffer_name("__Mundo__")
return
else:
target_state = int(target_state)
util._goto_window_for_buffer(vim.eval("g:mundo_target_n"))
nodes, nmap = nodesData.make_nodes()
node_after = nmap[target_state]
node_before = node_after.parent
vim.command("call s:MundoOpenPreview()")
util._output_preview_text(nodesData.preview_diff(node_before, node_after))
util._goto_window_for_buffer_name("__Mundo__")
def GundoRenderPreview():
if not _check_sanity():
return
target_state = GundoGetTargetState()
# Check that there's an undo state. There may not be if we're talking about
# a buffer with no changes yet.
if target_state == None:
util._goto_window_for_buffer_name('__Mundo__')
return
else:
target_state = int(target_state)
util._goto_window_for_buffer(vim.eval('g:mundo_target_n'))
nodes, nmap = nodesData.make_nodes()
node_after = nmap[target_state]
node_before = node_after.parent
vim.command('call s:GundoOpenPreview()')
util._output_preview_text(nodesData.preview_diff(node_before, node_after))
util._goto_window_for_buffer_name('__Mundo__')
def GundoMatch(down):
""" Jump to the next node that matches the current pattern. If there is a
next node, search from the next node to the end of the list of changes. Stop
on a match. """
if not _check_sanity():
return
# save the current window number (should be the navigation window)
# then generate the undo nodes, and then go back to the current window.
util._goto_window_for_buffer(vim.eval('g:mundo_target_n'))
nodes, nmap = nodesData.make_nodes()
total = len(nodes) - 1
util._goto_window_for_buffer_name('__Mundo__')
curline = int(vim.eval("line('.')"))
gundo_node = GundoGetTargetState()
found_version = -1
if total > 0:
therange = range(gundo_node - 1, -1, -1)
if down < 0:
therange = range(gundo_node + 1, total + 1)
for version in therange:
util._goto_window_for_buffer_name('__Mundo__')
undochanges = nodesData.preview_diff(nmap[version].parent,
nmap[version])
# Look thru all of the changes, ignore the first two b/c those are the
# diff timestamp fields (not relevent):
for change in undochanges[3:]:
match_index = vim.eval(
'match("%s",@/)' %
change.replace("\\", "\\\\").replace('"', '\\"'))
# only consider the matches that are actual additions or
# subtractions
if int(match_index) >= 0 and (change.startswith('-')
or change.startswith('+')):
found_version = version
break
# found something, lets get out of here:
if found_version != -1:
break
util._goto_window_for_buffer_name('__Mundo__')
if found_version >= 0:
GundoMove(found_version, 1, False)
def MundoMatch(down):
""" Jump to the next node that matches the current pattern. If there is a
next node, search from the next node to the end of the list of changes. Stop
on a match. """
if not _check_sanity():
return
# save the current window number (should be the navigation window)
# then generate the undo nodes, and then go back to the current window.
util._goto_window_for_buffer(vim.eval("g:mundo_target_n"))
nodes, nmap = nodesData.make_nodes()
total = len(nodes) - 1
util._goto_window_for_buffer_name("__Mundo__")
curline = int(vim.eval("line('.')"))
mundo_node = MundoGetTargetState()
found_version = -1
if total > 0:
therange = range(mundo_node - 1, -1, -1)
if down < 0:
therange = range(mundo_node + 1, total + 1)
for version in therange:
util._goto_window_for_buffer_name("__Mundo__")
undochanges = nodesData.preview_diff(nmap[version].parent, nmap[version])
# Look thru all of the changes, ignore the first two b/c those are the
# diff timestamp fields (not relevent):
for change in undochanges[3:]:
match_index = vim.eval('match("%s",@/)' % change.replace("\\", "\\\\").replace('"', '\\"'))
# only consider the matches that are actual additions or
# subtractions
if int(match_index) >= 0 and (change.startswith("-") or change.startswith("+")):
found_version = version
break
# found something, lets get out of here:
if found_version != -1:
break
util._goto_window_for_buffer_name("__Mundo__")
if found_version >= 0:
MundoMove(found_version, 1, False)
