PE: Add delay import parser

src/pe/ctx.rs

@@ -0,0 +1,55 @@
+use crate::{
+    container::Container,
+    pe::{options, section_table},
+};
+
+/// A binary parsing context for PE parser
+#[derive(Debug, Copy, Clone)]
+pub(crate) struct PeCtx<'a> {
+    pub(crate) container: Container,
+    pub(crate) le: scroll::Endian,
+    pub(crate) sections: &'a [section_table::SectionTable],
+    pub(crate) file_alignment: u32,
+    pub(crate) opts: options::ParseOptions,
+    pub(crate) bytes: &'a [u8], // full binary view
+}
+
+impl<'a> PeCtx<'a> {
+    /// Make a new instance of [PeCtx]
+    pub(crate) fn new(
+        container: Container,
+        le: scroll::Endian,
+        sections: &'a [section_table::SectionTable],
+        file_alignment: u32,
+        opts: options::ParseOptions,
+        bytes: &'a [u8],
+    ) -> Self {
+        Self {
+            container,
+            le,
+            sections,
+            file_alignment,
+            opts,
+            bytes,
+        }
+    }
+
+    /// Whether this binary container context is "big" or not
+    pub(crate) fn is_big(self) -> bool {
+        self.container.is_big()
+    }
+
+    /// Whether this binary container context is little endian or not
+    pub(crate) fn is_little_endian(self) -> bool {
+        self.le.is_little()
+    }
+
+    /// Return a dubious pointer/address byte size for the container
+    pub(crate) fn size(self) -> usize {
+        match self.container {
+            // TODO: require pointer size initialization/setting or default to container size with these values, e.g., avr pointer width will be smaller iirc
+            Container::Little => 4,
+            Container::Big => 8,
+        }
+    }
+}