def _handle_failure(self, trigger):
"""Mainly make sure that we play well with SuperTab."""
if trigger.lower() == "<tab>":
feedkey = "\\" + trigger
elif trigger.lower() == "<s-tab>":
feedkey = "\\" + trigger
else:
feedkey = None
mode = "n"
if not self._supertab_keys:
if vim_helper.eval("exists('g:SuperTabMappingForward')") != "0":
self._supertab_keys = (
vim_helper.eval("g:SuperTabMappingForward"),
vim_helper.eval("g:SuperTabMappingBackward"),
)
else:
self._supertab_keys = ["", ""]
for idx, sttrig in enumerate(self._supertab_keys):
if trigger.lower() == sttrig.lower():
if idx == 0:
feedkey = r"\<Plug>SuperTabForward"
mode = "n"
elif idx == 1:
feedkey = r"\<Plug>SuperTabBackward"
mode = "p"
# Use remap mode so SuperTab mappings will be invoked.
break
if feedkey in (r"\<Plug>SuperTabForward", r"\<Plug>SuperTabBackward"):
vim_helper.command("return SuperTab(%s)" % vim_helper.escape(mode))
elif feedkey:
vim_helper.command("return %s" % vim_helper.escape(feedkey))
def _parse_snippets(self, ft, filename):
"""Parse the 'filename' for the given 'ft'."""
with open(filename, "r", encoding="utf-8-sig") as to_read:
file_data = to_read.read()
self._snippets[ft] # Make sure the dictionary exists
for event, data in self._parse_snippet_file(file_data, filename):
if event == "error":
msg, line_index = data
filename = vim_helper.eval(
"""fnamemodify(%s, ":~:.")""" % vim_helper.escape(filename)
)
raise SnippetSyntaxError(filename, line_index, msg)
elif event == "clearsnippets":
priority, triggers = data
self._snippets[ft].clear_snippets(priority, triggers)
elif event == "extends":
# TODO(sirver): extends information is more global
# than one snippet source.
(filetypes,) = data
self.update_extends(ft, filetypes)
elif event == "snippet":
(snippet,) = data
self._snippets[ft].add_snippet(snippet)
else:
assert False, "Unhandled %s: %r" % (event, data)
def _ask_user(a, formatted):
"""Asks the user using inputlist() and returns the selected element or
None."""
try:
rv = vim_helper.eval("inputlist(%s)" % vim_helper.escape(formatted))
if rv is None or rv == "0":
return None
rv = int(rv)
if rv > len(a):
rv = len(a)
return a[rv - 1]
except vim_helper.error:
# Likely "invalid expression", but might be translated. We have no way
# of knowing the exact error, therefore, we ignore all errors silently.
return None
except KeyboardInterrupt:
return None
