Merge pull request #1221 from volatilityfoundation/issues/issue1216

Renderers: Allow BaseAbsentValues in value results

volatility3/framework/constants/_version.py

@@ -1,11 +1,9 @@
 # We use the SemVer 2.0.0 versioning scheme
 VERSION_MAJOR = 2  # Number of releases of the library with a breaking change
-VERSION_MINOR = 7  # Number of changes that only add to the interface
-VERSION_PATCH = 2  # Number of changes that do not change the interface
+VERSION_MINOR = 8  # Number of changes that only add to the interface
+VERSION_PATCH = 0  # Number of changes that do not change the interface
 VERSION_SUFFIX = ""
 
-# TODO: At version 2.0.0, remove the symbol_shift feature
-
 PACKAGE_VERSION = (
     ".".join([str(x) for x in [VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH]])
     + VERSION_SUFFIX

volatility3/framework/renderers/format_hints.py

@@ -10,6 +10,8 @@ Text renderers should attempt to honour all hints provided in this module where
 """
 from typing import Type, Union
 
+from volatility3.framework import interfaces
+
 
 class Bin(int):
     """A class to indicate that the integer value should be represented as a
@@ -66,3 +68,17 @@ class MultiTypeData(bytes):
             and self.split_nulls == other.split_nulls
             and self.show_hex == other.show_hex
         )
+
+
+BinOrAbsent = lambda x: (
+    Bin(x) if not isinstance(x, interfaces.renderers.BaseAbsentValue) else x
+)
+HexOrAbsent = lambda x: (
+    Hex(x) if not isinstance(x, interfaces.renderers.BaseAbsentValue) else x
+)
+HexBytesOrAbsent = lambda x: (
+    HexBytes(x) if not isinstance(x, interfaces.renderers.BaseAbsentValue) else x
+)
+MultiTypeDataOrAbsent = lambda x: (
+    MultiTypeData(x) if not isinstance(x, interfaces.renderers.BaseAbsentValue) else x
+)