Move crates under a sub folder to clean up the code

json-depth-checker/src/lib.rs

@@ -1,114 +0,0 @@
-use serde_json::Value;
-
-/// Your json MUST BE valid and generated by `serde_json::to_vec` before being
-/// sent in this function. This function is DUMB and FAST but makes a lot of
-/// asumption about the way `serde_json` will generate its input.
-///
-/// Will return `true` if the JSON contains an object, an array of array
-/// or an array containing an object. Returns `false` for everything else.
-pub fn should_flatten_from_unchecked_slice(json: &[u8]) -> bool {
-    if json.is_empty() {
-        return false;
-    }
-
-    // since the json we receive has been generated by serde_json we know
-    // it doesn't contains any whitespace at the beginning thus we can check
-    // directly if we're looking at an object.
-    if json[0] == b'{' {
-        return true;
-    } else if json[0] != b'[' {
-        // if the json isn't an object or an array it means it's a simple value.
-        return false;
-    }
-
-    // The array case is a little bit more complex. We are looking for a second
-    // `[` but we need to ensure that it doesn't appear inside of a string. Thus
-    // we need to keep track of if we're in a string or not.
-
-    // will be used when we met a `\` to skip the next character.
-    let mut skip_next = false;
-    let mut in_string = false;
-
-    for byte in json.iter().skip(1) {
-        match byte {
-            // handle the backlash.
-            _ if skip_next => skip_next = false,
-            b'\\' => skip_next = true,
-
-            // handle the strings.
-            byte if in_string => {
-                if *byte == b'"' {
-                    in_string = false;
-                }
-            }
-            b'"' => in_string = true,
-
-            // handle the arrays.
-            b'[' => return true,
-            // since we know the json is valid we don't need to ensure the
-            // array is correctly closed
-
-            // handle the objects.
-            b'{' => return true,
-
-            // ignore everything else
-            _ => (),
-        }
-    }
-
-    false
-}
-
-/// Consider using [`should_flatten_from_unchecked_slice`] when you can.
-/// Will returns `true` if the json contains an object, an array of array
-/// or an array containing an object.
-/// Returns `false` for everything else.
-/// This function has been written to test the [`should_flatten_from_unchecked_slice`].
-pub fn should_flatten_from_value(json: &Value) -> bool {
-    match json {
-        Value::Object(..) => true,
-        Value::Array(array) => array.iter().any(|value| value.is_array() || value.is_object()),
-        _ => false,
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use serde_json::*;
-
-    use super::*;
-
-    #[test]
-    fn test_shouldnt_flatten() {
-        let shouldnt_flatten = vec![
-            json!(null),
-            json!(true),
-            json!(false),
-            json!("a superb string"),
-            json!("a string escaping other \"string\""),
-            json!([null, true, false]),
-            json!(["hello", "world", "!"]),
-            json!(["a \"string\" escaping 'an other'", "\"[\"", "\"{\""]),
-        ];
-        for value in shouldnt_flatten {
-            assert!(!should_flatten_from_value(&value));
-            let value = serde_json::to_vec(&value).unwrap();
-            assert!(!should_flatten_from_unchecked_slice(&value));
-        }
-    }
-
-    #[test]
-    fn test_should_flatten() {
-        let should_flatten = vec![
-            json!({}),
-            json!({ "hello": "world" }),
-            json!(["hello", ["world"]]),
-            json!([true, true, true, true, true, true, true, true, true, {}]),
-        ];
-        for value in should_flatten {
-            assert!(should_flatten_from_value(&value));
-            let value = serde_json::to_vec(&value).unwrap();
-            assert!(should_flatten_from_unchecked_slice(&value));
-        }
-    }
-}