From f9573cf0b5de23e258791fbdc424fd3abbc4fdc5 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Wed, 1 Dec 2021 17:00:31 -0500
Subject: simplify getting data

---
 src/util.rs | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

(limited to 'src/util.rs')

diff --git a/src/util.rs b/src/util.rs
index 6a62708..9cc3d6a 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -1,6 +1,47 @@
 use anyhow::Context as _;
 use std::io::{BufRead as _, Read as _};
 
+macro_rules! data {
+    () => {{
+        let file = crate::util::src_file_to_data_file(&std::file!());
+        std::fs::File::open(file.clone())
+            .with_context(|| format!("couldn't find data file {}", file))
+    }};
+}
+
+macro_rules! data_ints {
+    () => {
+        crate::util::read_ints(&crate::util::src_file_to_data_file(
+            &std::file!(),
+        ))
+    };
+}
+
+macro_rules! data_bytes {
+    () => {
+        crate::util::read_file(&crate::util::src_file_to_data_file(
+            &std::file!(),
+        ))
+    };
+}
+
+macro_rules! data_str {
+    () => {
+        crate::util::read_file_str(&crate::util::src_file_to_data_file(
+            &std::file!(),
+        ))
+    };
+}
+
+pub fn src_file_to_data_file(file: &str) -> String {
+    let parts: Vec<_> = file.split('/').collect();
+    format!(
+        "data/{}/{}.txt",
+        parts[parts.len() - 3],
+        parts[parts.len() - 2]
+    )
+}
+
 pub fn read_ints(filename: &str) -> anyhow::Result<Vec<i64>> {
     let f = std::fs::File::open(filename)
         .with_context(|| format!("couldn't find data file {}", filename))?;
-- 
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