Data update

Task/Strip-block-comments/Rust/strip-block-comments.rs

@@ -0,0 +1,75 @@
+// Strips first nest of block comments
+fn _commentstripper(mut txt: String, deliml: &str, delimr: &str) -> String {
+    let mut out = String::new();
+    if txt.contains(deliml) {
+        let mut indx = txt.find(deliml).unwrap();
+        out += &txt[..indx];
+        txt = txt[indx + deliml.len()..].to_string();
+        txt = _commentstripper(txt, deliml, delimr);
+        assert!(txt.contains(delimr), "Missing closing comment delimiter");
+        indx = txt.find(delimr).unwrap();
+        out += &txt[indx + delimr.len()..];
+    } else {
+        out = txt;
+    }
+    return out;
+}
+
+// Strips nests of block comments
+fn commentstripper(mut txt: String, deliml: &str, delimr: &str) -> String {
+    while txt.contains(deliml) {
+        txt = _commentstripper(txt, deliml, delimr);
+    }
+    return txt.to_string();
+}
+
+fn main() {
+    let deliml = "/*";
+    let delimr = "*/";
+
+    println!("\nNON-NESTED BLOCK COMMENT EXAMPLE:");
+    let mut sample = r#"
+/**
+ * Some comments
+ * longer comments here that we can parse.
+ *
+ * Rahoo
+ */
+function subroutine() {
+a = /* inline comment */ b + c ;
+}
+/*/ <-- tricky comments */
+
+/**
+* Another comment.
+*/
+function something() {
+}
+"#
+    .to_string();
+
+    println!("{}", commentstripper(sample, deliml, delimr));
+
+    println!("\nNESTED BLOCK COMMENT EXAMPLE:");
+    sample = r#"
+/**
+ * Some comments
+ * longer comments here that we can parse.
+ *
+ * Rahoo
+ *//*
+function subroutine() {
+a = /* inline comment */ b + c ;
+}
+/*/ <-- tricky comments */
+*/
+/**
+* Another comment.
+*/
+function something() {
+}
+"#
+    .to_string();
+
+    println!("{}", commentstripper(sample, deliml, delimr));
+}