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128 lines
4.3 KiB
128 lines
4.3 KiB
# coding: utf-8
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from __future__ import print_function, absolute_import, division, unicode_literals
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import sys
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from .compat import no_limit_int # NOQA
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from .anchor import Anchor
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if False: # MYPY
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from typing import Text, Any, Dict, List # NOQA
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__all__ = ['ScalarFloat', 'ExponentialFloat', 'ExponentialCapsFloat']
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class ScalarFloat(float):
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def __new__(cls, *args, **kw):
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# type: (Any, Any, Any) -> Any
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width = kw.pop('width', None) # type: ignore
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prec = kw.pop('prec', None) # type: ignore
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m_sign = kw.pop('m_sign', None) # type: ignore
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m_lead0 = kw.pop('m_lead0', 0) # type: ignore
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exp = kw.pop('exp', None) # type: ignore
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e_width = kw.pop('e_width', None) # type: ignore
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e_sign = kw.pop('e_sign', None) # type: ignore
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underscore = kw.pop('underscore', None) # type: ignore
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anchor = kw.pop('anchor', None) # type: ignore
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v = float.__new__(cls, *args, **kw) # type: ignore
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v._width = width
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v._prec = prec
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v._m_sign = m_sign
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v._m_lead0 = m_lead0
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v._exp = exp
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v._e_width = e_width
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v._e_sign = e_sign
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v._underscore = underscore
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if anchor is not None:
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v.yaml_set_anchor(anchor, always_dump=True)
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return v
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def __iadd__(self, a): # type: ignore
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# type: (Any) -> Any
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return float(self) + a
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x = type(self)(self + a)
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x._width = self._width
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x._underscore = self._underscore[:] if self._underscore is not None else None # NOQA
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return x
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def __ifloordiv__(self, a): # type: ignore
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# type: (Any) -> Any
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return float(self) // a
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x = type(self)(self // a)
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x._width = self._width
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x._underscore = self._underscore[:] if self._underscore is not None else None # NOQA
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return x
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def __imul__(self, a): # type: ignore
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# type: (Any) -> Any
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return float(self) * a
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x = type(self)(self * a)
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x._width = self._width
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x._underscore = self._underscore[:] if self._underscore is not None else None # NOQA
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x._prec = self._prec # check for others
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return x
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def __ipow__(self, a): # type: ignore
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# type: (Any) -> Any
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return float(self) ** a
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x = type(self)(self ** a)
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x._width = self._width
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x._underscore = self._underscore[:] if self._underscore is not None else None # NOQA
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return x
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def __isub__(self, a): # type: ignore
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# type: (Any) -> Any
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return float(self) - a
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x = type(self)(self - a)
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x._width = self._width
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x._underscore = self._underscore[:] if self._underscore is not None else None # NOQA
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return x
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@property
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def anchor(self):
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# type: () -> Any
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if not hasattr(self, Anchor.attrib):
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setattr(self, Anchor.attrib, Anchor())
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return getattr(self, Anchor.attrib)
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def yaml_anchor(self, any=False):
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# type: (bool) -> Any
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if not hasattr(self, Anchor.attrib):
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return None
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if any or self.anchor.always_dump:
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return self.anchor
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return None
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def yaml_set_anchor(self, value, always_dump=False):
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# type: (Any, bool) -> None
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self.anchor.value = value
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self.anchor.always_dump = always_dump
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def dump(self, out=sys.stdout):
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# type: (Any) -> Any
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out.write(
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'ScalarFloat({}| w:{}, p:{}, s:{}, lz:{}, _:{}|{}, w:{}, s:{})\n'.format(
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self,
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self._width, # type: ignore
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self._prec, # type: ignore
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self._m_sign, # type: ignore
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self._m_lead0, # type: ignore
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self._underscore, # type: ignore
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self._exp, # type: ignore
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self._e_width, # type: ignore
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self._e_sign, # type: ignore
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)
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)
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class ExponentialFloat(ScalarFloat):
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def __new__(cls, value, width=None, underscore=None):
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# type: (Any, Any, Any) -> Any
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return ScalarFloat.__new__(cls, value, width=width, underscore=underscore)
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class ExponentialCapsFloat(ScalarFloat):
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def __new__(cls, value, width=None, underscore=None):
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# type: (Any, Any, Any) -> Any
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return ScalarFloat.__new__(cls, value, width=width, underscore=underscore)
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