fixup! Move sheet file R/W to v1 module

1 files changed, 17 insertions, 2 deletions

diff --git a/systems/sheet/src/sheet/reader.rs b/systems/sheet/src/sheet/reader.rs
index 87347bb..583e3b7 100644
--- a/systems/sheet/src/sheet/reader.rs
+++ b/systems/sheet/src/sheet/reader.rs
@@ -1,3 +1,5 @@
+use constants::CURRENT_SHEET_VERSION;
+
 use crate::{
     mapping::{LocalMappingForward, Mapping},
     sheet::{SheetData, error::ReadSheetDataError},
@@ -5,9 +7,22 @@ use crate::{
 
 include!("current.rs");
 
+macro_rules! reader_do {
+    ($full_sheet_data:expr, $func:ident($($arg:expr),*)) => {{
+        let sheet_version = $full_sheet_data
+            .first()
+            .copied()
+            .unwrap_or(CURRENT_SHEET_VERSION);
+        match sheet_version {
+            1 => crate::sheet::v1::reader::$func($($arg),*),
+            _ => reader::$func($($arg),*),
+        }
+    }};
+}
+
 /// Reconstruct complete SheetData from full sheet data
 pub fn read_sheet_data(full_sheet_data: &[u8]) -> Result<SheetData, ReadSheetDataError> {
-    reader::read_sheet_data(full_sheet_data)
+    reader_do!(full_sheet_data, read_sheet_data(full_sheet_data))
 }
 
 /// Read mapping information for a specific node from complete sheet data
@@ -15,5 +30,5 @@ pub fn read_mapping<'a>(
     full_sheet_data: &'a [u8],
     node: &[&str],
 ) -> Result<Option<(Mapping<'a>, LocalMappingForward)>, ReadSheetDataError> {
-    reader::read_mapping(full_sheet_data, node)
+    reader_do!(full_sheet_data, read_mapping(full_sheet_data, node))
 }