Python VisualContentPreserver.reset方法代码示例

# 需要导入模块: from UltiSnips.vim_state import VisualContentPreserver [as 别名]
# 或者: from UltiSnips.vim_state.VisualContentPreserver import reset [as 别名]
class SnippetManager(object):

    """The main entry point for all UltiSnips functionality.

    All Vim functions call methods in this class.

    """

    def __init__(self, expand_trigger, forward_trigger, backward_trigger):
        self.expand_trigger = expand_trigger
        self.forward_trigger = forward_trigger
        self.backward_trigger = backward_trigger
        self._inner_state_up = False
        self._supertab_keys = None

        self._csnippets = []
        self._buffer_filetypes = defaultdict(lambda: ['all'])

        self._vstate = VimState()
        self._visual_content = VisualContentPreserver()

        self._snippet_sources = []

        self._snip_expanded_in_action = False
        self._inside_action = False

        self._last_inserted_char = ''

        self._added_snippets_source = AddedSnippetsSource()
        self.register_snippet_source('ultisnips_files', UltiSnipsFileSource())
        self.register_snippet_source('added', self._added_snippets_source)

        enable_snipmate = '1'
        if _vim.eval("exists('g:UltiSnipsEnableSnipMate')") == '1':
            enable_snipmate = _vim.eval('g:UltiSnipsEnableSnipMate')
        if enable_snipmate == '1':
            self.register_snippet_source('snipmate_files',
                                         SnipMateFileSource())

        self._should_update_textobjects = False
        self._should_reset_visual = False

        self._reinit()

    @err_to_scratch_buffer
    def jump_forwards(self):
        """Jumps to the next tabstop."""
        _vim.command('let g:ulti_jump_forwards_res = 1')
        _vim.command('let &undolevels = &undolevels')
        if not self._jump():
            _vim.command('let g:ulti_jump_forwards_res = 0')
            return self._handle_failure(self.forward_trigger)

    @err_to_scratch_buffer
    def jump_backwards(self):
        """Jumps to the previous tabstop."""
        _vim.command('let g:ulti_jump_backwards_res = 1')
        _vim.command('let &undolevels = &undolevels')
        if not self._jump(True):
            _vim.command('let g:ulti_jump_backwards_res = 0')
            return self._handle_failure(self.backward_trigger)

    @err_to_scratch_buffer
    def expand(self):
        """Try to expand a snippet at the current position."""
        _vim.command('let g:ulti_expand_res = 1')
        if not self._try_expand():
            _vim.command('let g:ulti_expand_res = 0')
            self._handle_failure(self.expand_trigger)

    @err_to_scratch_buffer
    def expand_or_jump(self):
        """This function is used for people who wants to have the same trigger
        for expansion and forward jumping.

        It first tries to expand a snippet, if this fails, it tries to
        jump forward.

        """
        _vim.command('let g:ulti_expand_or_jump_res = 1')
        rv = self._try_expand()
        if not rv:
            _vim.command('let g:ulti_expand_or_jump_res = 2')
            rv = self._jump()
        if not rv:
            _vim.command('let g:ulti_expand_or_jump_res = 0')
            self._handle_failure(self.expand_trigger)

    @err_to_scratch_buffer
    def snippets_in_current_scope(self, searchAll):
        """Returns the snippets that could be expanded to Vim as a global
        variable."""
        before =  '' if searchAll else _vim.buf.line_till_cursor
        snippets = self._snips(before, True)

        # Sort snippets alphabetically
        snippets.sort(key=lambda x: x.trigger)
        for snip in snippets:
            description = snip.description[snip.description.find(snip.trigger) +
                                           len(snip.trigger) + 2:]
#.........这里部分代码省略.........

# 需要导入模块: from UltiSnips.vim_state import VisualContentPreserver [as 别名]
# 或者: from UltiSnips.vim_state.VisualContentPreserver import reset [as 别名]

#.........这里部分代码省略.........
        snippets.sort(key=lambda x: x.trigger)

        if not snippets:
            return True

        snippet = _ask_snippets(snippets)
        if not snippet:
            return True

        self._do_snippet(snippet, before)

        return True

    @err_to_scratch_buffer
    def add_snippet(self, trigger, value, description,
            options, ft="all", priority=0):
        """Add a snippet to the list of known snippets of the given 'ft'."""
        self._added_snippets_provider.add_snippet(ft, SnippetDefinition(
            priority, trigger, value, description, options, {})
        )

    @err_to_scratch_buffer
    def expand_anon(self, value, trigger="", description="", options=""):
        """Expand an anonymous snippet right here."""
        before = _vim.buf.line_till_cursor
        snip = SnippetDefinition(0, trigger, value, description, options, {})

        if not trigger or snip.matches(before):
            self._do_snippet(snip, before)
            return True
        else:
            return False

    def reset_buffer_filetypes(self):
        """Reset the filetypes for the current buffer."""
        if _vim.buf.number in self._buffer_filetypes:
            del self._buffer_filetypes[_vim.buf.number]

    def add_buffer_filetypes(self, ft):
        """Checks for changes in the list of snippet files or the contents of
        the snippet files and reloads them if necessary. """
        buf_fts = self._buffer_filetypes[_vim.buf.number]
        idx = -1
        for ft in ft.split("."):
            ft = ft.strip()
            if not ft:
                continue
            try:
                idx = buf_fts.index(ft)
            except ValueError:
                self._buffer_filetypes[_vim.buf.number].insert(idx + 1, ft)
                idx += 1

    @err_to_scratch_buffer
    def _cursor_moved(self):
        """Called whenever the cursor moved."""
        self._vstate.remember_position()
        if _vim.eval("mode()") not in 'in':
            return

        if self._ignore_movements:
            self._ignore_movements = False
            return

        if self._csnippets:
            cstart = self._csnippets[0].start.line

# 需要导入模块: from UltiSnips.vim_state import VisualContentPreserver [as 别名]
# 或者: from UltiSnips.vim_state.VisualContentPreserver import reset [as 别名]

#.........这里部分代码省略.........
        """Add a snippet to the list of known snippets of the given 'ft'."""
        self._added_snippets_source.add_snippet(ft,
                UltiSnipsSnippetDefinition(priority, trigger, value,
                    description, options, {}, "added"))

    @err_to_scratch_buffer
    def expand_anon(self, value, trigger="", description="", options=""):
        """Expand an anonymous snippet right here."""
        before = _vim.buf.line_till_cursor
        snip = UltiSnipsSnippetDefinition(0, trigger, value, description,
                options, {}, "")

        if not trigger or snip.matches(before):
            self._do_snippet(snip, before)
            return True
        else:
            return False

    def register_snippet_source(self, name, snippet_source):
        """Registers a new 'snippet_source' with the given 'name'. The given
        class must be an instance of SnippetSource. This source will be queried
        for snippets."""
        self._snippet_sources.append((name, snippet_source))

    def unregister_snippet_source(self, name):
        """Unregister the source with the given 'name'. Does nothing if it is
        not registered."""
        for index, (source_name, _) in enumerate(self._snippet_sources):
            if name == source_name:
                self._snippet_sources = self._snippet_sources[:index] + \
                        self._snippet_sources[index+1:]
                break

    def reset_buffer_filetypes(self):
        """Reset the filetypes for the current buffer."""
        if _vim.buf.number in self._buffer_filetypes:
            del self._buffer_filetypes[_vim.buf.number]

    def add_buffer_filetypes(self, ft):
        """Checks for changes in the list of snippet files or the contents of
        the snippet files and reloads them if necessary. """
        buf_fts = self._buffer_filetypes[_vim.buf.number]
        idx = -1
        for ft in ft.split("."):
            ft = ft.strip()
            if not ft:
                continue
            try:
                idx = buf_fts.index(ft)
            except ValueError:
                self._buffer_filetypes[_vim.buf.number].insert(idx + 1, ft)
                idx += 1

    @err_to_scratch_buffer
    def _cursor_moved(self):
        """Called whenever the cursor moved."""
        if not self._csnippets and self._inner_mappings_in_place:
            self._unmap_inner_keys()
        self._vstate.remember_position()
        if _vim.eval("mode()") not in 'in':
            return

        if self._ignore_movements:
            self._ignore_movements = False
            return