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51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
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# import vim
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normal = lambda s: vim().command('normal %s' % s)
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normal_silent = lambda s: vim().command('silent! normal %s' % s)
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def vim():
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""" call Vim.
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This is wrapped so that it can easily be mocked.
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"""
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import vim
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return vim
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def _goto_window_for_buffer(expr):
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""" Moves the cursor to the first window associated with buffer b in the
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current tab page (only).
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Arguments
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---------
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expr : int or str
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The target buffer - either a buffer number (int) or a file-pattern
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(str). See :h bufwinnr for a more detailed description.
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"""
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if not isinstance(expr, int) and not isinstance(expr, str):
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raise TypeError('b has invalid type, str or int expected.')
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if isinstance(expr, str):
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expr = "'{0}'".format(expr)
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winnr = int(vim().eval('bufwinnr({0})'.format(expr)))
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assert winnr != -1
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vim().command('%dwincmd w' % int(winnr))
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# Rendering utility functions
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def _output_preview_text(lines):
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""" Output a list of lines to the mundo preview window. """
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_goto_window_for_buffer('__Mundo_Preview__')
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vim().command('setlocal modifiable')
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vim().current.buffer[:] = [line.rstrip() for line in lines]
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vim().command('setlocal nomodifiable')
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def _undo_to(n):
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n = int(n)
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if n == 0:
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vim().command('silent earlier %s' % (int(vim().eval('&undolevels')) + 1))
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else:
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vim().command('silent undo %d' % int(n))
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