feat: init commit

crates/burrego/src/builtins/glob.rs

@@ -0,0 +1,57 @@
+use crate::errors::{BurregoError, Result};
+
+pub fn quote_meta(args: &[serde_json::Value]) -> Result<serde_json::Value> {
+    if args.len() != 1 {
+        return Err(BurregoError::BuiltinError {
+            name: "glob.quote_meta".to_string(),
+            message: "wrong number of arguments".to_string(),
+        });
+    }
+
+    let input = args[0].as_str().ok_or_else(|| BurregoError::BuiltinError {
+        name: "glob.quote_meta".to_string(),
+        message: "1st parameter is not a string".to_string(),
+    })?;
+
+    serde_json::to_value(escape(input)).map_err(|e| BurregoError::BuiltinError {
+        name: "glob.quote_meta".to_string(),
+        message: format!("cannot convert value into JSON: {:?}", e),
+    })
+}
+
+fn escape(s: &str) -> String {
+    let mut escaped = String::new();
+    for c in s.chars() {
+        match c {
+            '*' | '?' | '\\' | '[' | ']' | '{' | '}' => {
+                escaped.push('\\');
+                escaped.push(c);
+            }
+            c => {
+                escaped.push(c);
+            }
+        }
+    }
+    escaped
+}
+
+#[cfg(test)]
+mod test {
+    #[test]
+    fn escape() {
+        assert_eq!(super::escape("*.domain.com"), r"\*.domain.com");
+
+        assert_eq!(super::escape("*.domain-*.com"), r"\*.domain-\*.com");
+
+        assert_eq!(super::escape("domain.com"), r"domain.com");
+
+        assert_eq!(super::escape("domain-[ab].com"), r"domain-\[ab\].com");
+
+        assert_eq!(super::escape("nie?ce"), r"nie\?ce");
+
+        assert_eq!(
+            super::escape("some *?\\[]{} text"),
+            "some \\*\\?\\\\\\[\\]\\{\\} text"
+        );
+    }
+}