mercurial/formatter.py

37596:8c121a9837ca

class baseformatter(object):
    def __init__(self, ui, topic, opts, converter):
        self._ui = ui
        self._topic = topic
        self._converter = converter
        self._item = None
        # function to convert node to string suitable for this output
        self.hexfunc = hex
    def __enter__(self):

    def end(self):
        '''end output for the formatter'''
        if self._item is not None:
            self._showitem()

def nullformatter(ui, topic):
    '''formatter that prints nothing'''
    return baseformatter(ui, topic, opts={}, converter=_nullconverter)

class _nestedformatter(baseformatter):
    '''build sub items and store them in the parent formatter'''
    def __init__(self, ui, converter, data):
        baseformatter.__init__(self, ui, topic='', opts={}, converter=converter)

@contextlib.contextmanager
def _neverending(fm):
    yield fm

def maybereopen(fm, filename, opts):
    """Create a formatter backed by file if filename specified, else return
    the given formatter

    Must be invoked using the 'with' statement. This will never call fm.end()
    of the given formatter.
    """
    if filename:
        return openformatter(fm._ui, filename, fm._topic, opts)
    else:
        return _neverending(fm)

37597:d110167610db

class baseformatter(object):
    def __init__(self, ui, topic, opts, converter):
        self._ui = ui
        self._topic = topic
        self._opts = opts
        self._converter = converter
        self._item = None
        # function to convert node to string suitable for this output
        self.hexfunc = hex
    def __enter__(self):

    def end(self):
        '''end output for the formatter'''
        if self._item is not None:
            self._showitem()

def nullformatter(ui, topic, opts):
    '''formatter that prints nothing'''
    return baseformatter(ui, topic, opts, converter=_nullconverter)

class _nestedformatter(baseformatter):
    '''build sub items and store them in the parent formatter'''
    def __init__(self, ui, converter, data):
        baseformatter.__init__(self, ui, topic='', opts={}, converter=converter)

@contextlib.contextmanager
def _neverending(fm):
    yield fm

def maybereopen(fm, filename):
    """Create a formatter backed by file if filename specified, else return
    the given formatter

    Must be invoked using the 'with' statement. This will never call fm.end()
    of the given formatter.
    """
    if filename:
        return openformatter(fm._ui, filename, fm._topic, fm._opts)
    else:
        return _neverending(fm)