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Truncate long command line call signatures

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This commit is contained in:
Jacob Niehus
2015-10-16 10:47:19 -07:00
committed by Daniel Hahler
parent 9633044332
commit 7abc3ad8d4
1 changed files with 56 additions and 25 deletions
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81
jedi_vim.py
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@@ -406,33 +406,65 @@ def cmdline_call_signatures(signatures):
def get_params(s):
return [p.description.replace('\n', '') for p in s.params]
def escape(string):
return string.replace('"', '\\"').replace(r'\n', r'\\n')
def join():
return ', '.join(filter(None, (left, center, right)))
def too_long():
return len(join()) > max_msg_len
if len(signatures) > 1:
params = zip_longest(*map(get_params, signatures), fillvalue='_')
params = ['(' + ', '.join(p) + ')' for p in params]
else:
params = get_params(signatures[0])
text = ', '.join(params).replace('"', '\\"').replace(r'\n', r'\\n')
index = next(iter(s.index for s in signatures if s.index is not None), None)
# Allow 12 characters for showcmd plus 18 for ruler - setting
# noruler/noshowcmd here causes incorrect undo history
max_msg_len = int(vim_eval('&columns')) - (
30 if int(vim_eval('&ruler')) else 12)
max_num_spaces = (max_msg_len - len(signatures[0].call_name)
- len(text) - 2) # 2 accounts for parentheses
if max_num_spaces < 0:
return # No room for the message
_, column = signatures[0].bracket_start
num_spaces = min(int(vim_eval('g:jedi#first_col +'
'wincol() - col(".")')) +
column - len(signatures[0].call_name),
max_num_spaces)
spaces = ' ' * num_spaces
max_msg_len = int(vim_eval('&columns')) - 12
if int(vim_eval('&ruler')):
max_msg_len -= 18
max_msg_len -= len(signatures[0].call_name) + 2 # call name + parentheses
try:
index = [s.index for s in signatures if isinstance(s.index, int)][0]
escaped_param = params[index].replace(r'\n', r'\\n')
left = text.index(escaped_param)
right = left + len(escaped_param)
if max_msg_len < 0:
return
elif index is None:
pass
elif max_msg_len < len('...'):
return
else:
left = escape(', '.join(params[:index]))
center = escape(params[index])
right = escape(', '.join(params[index + 1:]))
while too_long():
if left and left != '...':
left = '...'
continue
if right and right != '...':
right = '...'
continue
if (left or right) and center != '...':
left = right = None
center = '...'
continue
if too_long():
# Should never reach here
return
max_num_spaces = max_msg_len
if index is not None:
max_num_spaces -= len(join())
_, column = signatures[0].bracket_start
spaces = min(int(vim_eval('g:jedi#first_col +'
'wincol() - col(".")')) +
column - len(signatures[0].call_name),
max_num_spaces) * ' '
if index is not None:
vim_command(' echon "%s" | '
'echohl Function | echon "%s" | '
'echohl None | echon "(" | '
@@ -440,15 +472,14 @@ def cmdline_call_signatures(signatures):
'echohl jediFat | echon "%s" | '
'echohl jediFunction | echon "%s" | '
'echohl None | echon ")"'
% (spaces, signatures[0].call_name, text[:left],
text[left:right], text[right:]))
except (TypeError, IndexError):
% (spaces, signatures[0].call_name,
left + ', ' if left else '',
center, ', ' + right if right else ''))
else:
vim_command(' echon "%s" | '
'echohl Function | echon "%s" | '
'echohl None | echon "(" | '
'echohl jediFunction | echon "%s" | '
'echohl None | echon ")"'
% (spaces, signatures[0].call_name, text))
'echohl None | echon "()"'
% (spaces, signatures[0].call_name))
@_check_jedi_availability(show_error=True)