# This file is Copyright 2019 Volatility Foundation and licensed under the Volatility Software License 1.0
# which is available at https://www.volatilityfoundation.org/license/vsl-v1.0
#
"""The official list of format hints that text renderers and plugins can rely
upon existing within the framework.

These hints allow a plugin to indicate how they would like data from a particular column to be represented.

Text renderers should attempt to honour all hints provided in this module where possible
"""


class Bin(int):
    """A class to indicate that the integer value should be represented as a
    binary value."""


class Hex(int):
    """A class to indicate that the integer value should be represented as a
    hexidecimal value."""


class HexBytes(bytes):
    """A class to indicate that the bytes should be display in an extended
    format showing hexadecimal and ascii printable display."""


class MultiTypeData(bytes):
    """The contents are supposed to be a string, but may contain binary data."""

    def __new__(cls, original, encoding: str = 'utf-16-le', split_nulls: bool = False, show_hex: bool = False):
        if isinstance(original, int):
            original = str(original).encode(encoding)
        return super().__new__(cls, original)

    def __init__(self, original: bytes, encoding: str = 'utf-16-le', split_nulls: bool = False, show_hex: bool = False):
        self.converted_int = False  # type: bool
        if isinstance(original, int):
            self.converted_int = True
        self.encoding = encoding
        self.split_nulls = split_nulls
        self.show_hex = show_hex
        bytes.__init__(original)