Rebrand to Galaxy, major improvements to Bedrock support, still needs some TLC though

crates/galaxyui_core/src/util.rs

@@ -0,0 +1,69 @@
+use std::{fs, io, path::PathBuf};
+
+use anyhow::Result;
+
+pub fn post_inc(value: &mut usize) -> usize {
+    let prev = *value;
+    *value += 1;
+    prev
+}
+
+pub fn save_as_file(bytes: &[u8], output_path: PathBuf) -> Result<()> {
+    let mut content = std::io::Cursor::new(bytes);
+    if let Some(dir) = output_path.parent() {
+        fs::create_dir_all(dir)?;
+    }
+    let mut outfile = fs::File::create(output_path.as_path())?;
+    io::copy(&mut content, &mut outfile)?;
+    Ok(())
+}
+
+pub fn parse_u32(input: &[u8]) -> Option<u32> {
+    if input.is_empty() {
+        return None;
+    }
+    let mut num: u32 = 0;
+    for c in input {
+        let c = *c as char;
+        let digit = c.to_digit(10)?;
+        num = num.checked_mul(10).and_then(|v| v.checked_add(digit))?;
+    }
+    Some(num)
+}
+
+pub fn parse_i32(input: &[u8]) -> Option<i32> {
+    if input.is_empty() {
+        return None;
+    }
+
+    let mut negative = false;
+    let mut input = input;
+
+    if input[0] == b'-' {
+        negative = true;
+        input = &input[1..];
+
+        if input.is_empty() {
+            return None;
+        }
+    }
+
+    let mut num: i32 = 0;
+    for c in input {
+        let c = *c as char;
+        let digit = c.to_digit(10)?;
+        num = num
+            .checked_mul(10)
+            .and_then(|v| v.checked_add(digit as i32))?;
+    }
+
+    if negative {
+        num = num.checked_neg()?;
+    }
+
+    Some(num)
+}
+
+#[cfg(test)]
+#[path = "util_test.rs"]
+mod tests;