Initial commit

1 files changed, 37 insertions, 0 deletions

diff --git a/src/types/string_buffer.rs b/src/types/string_buffer.rs
new file mode 100644
index 0000000..7751d9f
--- /dev/null
+++ b/src/types/string_buffer.rs
@@ -0,0 +1,37 @@
+pub struct StringBuffer {
+    pub bytes: Vec<u8>,
+    pub pointer: usize,
+}
+
+impl StringBuffer {
+    pub fn new() -> Self {
+        Self {
+            bytes: Vec::new(),
+            pointer: 0,
+        }
+    }
+
+    pub fn from_str(text: &str) -> Self {
+        let mut new = Self::new();
+        new.set_str(text);
+        new
+    }
+
+    pub fn set_str(&mut self, text: &str) {
+        self.bytes = text.bytes().collect();
+        self.pointer = 0;
+    }
+
+    pub fn read(&mut self) -> u8 {
+        if let Some(byte) = self.bytes.get(self.pointer) {
+            self.pointer += 1;
+            *byte
+        } else {
+            0
+        }
+    }
+
+    pub fn restart(&mut self) {
+        self.pointer = 0;
+    }
+}