diff options
Diffstat (limited to 'systems/sheet/src')
| -rw-r--r-- | systems/sheet/src/sheet/reader.rs | 19 |
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)) } |