From ab84ad75629b0a4124221023ca91411d2cd62a32 Mon Sep 17 00:00:00 2001
From: Ben Bridle <ben@derelict.engineering>
Date: Tue, 25 Mar 2025 12:46:49 +1300
Subject: Restructure program
This commit also includes changes to devices according to the latest
devices specification, in particular the math and system devices.
---
src/types/read_buffer.rs | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
create mode 100644 src/types/read_buffer.rs
(limited to 'src/types/read_buffer.rs')
diff --git a/src/types/read_buffer.rs b/src/types/read_buffer.rs
new file mode 100644
index 0000000..7128048
--- /dev/null
+++ b/src/types/read_buffer.rs
@@ -0,0 +1,34 @@
+pub struct ReadBuffer {
+ pub bytes: Vec<u8>,
+ pub pointer: usize,
+}
+
+impl ReadBuffer {
+ pub fn new() -> Self {
+ Self {
+ bytes: Vec::new(),
+ pointer: 0,
+ }
+ }
+
+ pub fn from_str(text: &str) -> Self {
+ Self {
+ bytes: text.bytes().collect(),
+ pointer: 0,
+ }
+ }
+
+ pub fn set_str(&mut self, text: &str) {
+ self.bytes = text.bytes().collect();
+ self.pointer = 0;
+ }
+
+ pub fn read(&mut self) -> u8 {
+ let pointer = self.pointer;
+ self.pointer += 1;
+ match self.bytes.get(pointer) {
+ Some(byte) => *byte,
+ None => 0,
+ }
+ }
+}
--
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