update api version with new implementation

src/client/response/meta/data.rs

@@ -0,0 +1,59 @@
+pub mod error;
+pub use error::Error;
+
+use glib::GString;
+
+pub const MAX_LEN: usize = 0x400; // 1024
+
+/// Meta data holder for response
+///
+/// Could be created from entire response buffer or just header slice
+///
+/// Use as:
+/// * placeholder for 10, 11 status
+/// * URL for 30, 31 status
+pub struct Data {
+    value: Option<GString>,
+}
+
+impl Data {
+    /// Parse Meta from UTF-8
+    pub fn from_utf8(buffer: &[u8]) -> Result<Self, Error> {
+        // Init bytes buffer
+        let mut bytes: Vec<u8> = Vec::with_capacity(MAX_LEN);
+
+        // Calculate len once
+        let len = buffer.len();
+
+        // Skip 3 bytes for status code of `MAX_LEN` expected
+        match buffer.get(3..if len > MAX_LEN { MAX_LEN - 3 } else { len }) {
+            Some(slice) => {
+                for &byte in slice {
+                    // End of header
+                    if byte == b'\r' {
+                        break;
+                    }
+
+                    // Continue
+                    bytes.push(byte);
+                }
+
+                // Assumes the bytes are valid UTF-8
+                match GString::from_utf8(bytes) {
+                    Ok(value) => Ok(Self {
+                        value: match value.is_empty() {
+                            false => Some(value),
+                            true => None,
+                        },
+                    }),
+                    Err(_) => Err(Error::Decode),
+                }
+            }
+            None => Err(Error::Protocol),
+        }
+    }
+
+    pub fn value(&self) -> &Option<GString> {
+        &self.value
+    }
+}