Addition of the gemini feature as well as Url, wrap_url and unwrap_url.

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "packeteer"
 description = "An attempt at a Rust library that can be used to assist in programmatically analysing, serving and handling received protocol packets."
-version = "0.1.4"
+version = "0.2.0"
 edition = "2021"
 authors = ["Celeste <colean@colean.cc>"]
 license = "LGPL-3.0-or-later"
@@ -16,5 +16,6 @@ all-features = true
 
 [features]
 http1 = []
+gemini = []
 
 [dependencies]

src/gemini.rs

@@ -0,0 +1,85 @@
+//! A module for handling Gemini operations.
+//! It contains structures for Gemini requests and responses as well as functions for generating, unpacking and constructing them.
+use super::{Url, wrap_url, unwrap_url};
+use std::str::FromStr;
+
+// A structure for Gemini requests.
+// Generated with packeteer::gemini::generate_request
+#[derive(Debug)]
+pub struct GeminiRequest {
+	pub url: Url,
+}
+
+// A structure for Gemini responses.
+// Generated with packeteer::gemini::generate_response
+#[derive(Debug)]
+pub struct GeminiResponse {
+	pub code: i32,
+	pub meta: String,
+	pub body: String,
+}
+
+// A function for generating GeminiRequest structures.
+pub fn generate_request(url: &str) -> GeminiRequest {
+	let wurl = wrap_url(url);
+	let gem = GeminiRequest { url: wurl };
+	return gem
+}
+
+// A function for generating GeminiResponse structures.
+// Any invalid status code (valid status codes are 69 > x >= 10) will automatically be switched to 40 (Temporary failure).
+pub fn generate_response(code: i32, body: &str) -> GeminiResponse {
+	let mut xcode = code;
+	if code < 10 { xcode = 40 };
+	if code > 69 { xcode = 40 };
+	let res = GeminiResponse { code: xcode, meta: "".to_string(), body: body.to_string() };
+	return res
+}
+
+// A function for converting GeminiRequest structures into a Gemini request string.
+// This is extremely simple since GeminiRequest is basically storing a Url.
+// Unpacking functions are simply taking the data stored in the structure and concatenating it into a string so nothing changes apart from the conversion.
+pub fn unpack_request(req: GeminiRequest) -> String {
+	let url = unwrap_url(req.url);
+	let string = format!("{}\r\n", url);
+	return string.to_string()
+}
+
+// A function for converting GeminiResponse structures into split header and body strings.
+// The header and body are split as the Gemini specification seperates them.
+// Unpacking functions are simply taking the data stored in the structure and concatenating it into a string so nothing changes apart from the conversion.
+pub fn unpack_response(res: GeminiResponse) -> (String, String) {
+	let string = format!("{} {}\r\n", res.code, res.meta);
+	return (string.to_string(), res.body)
+}
+
+// A function for converting Gemini request strings into GeminiRequest.
+// This is essentially equivalent to packeteer::gemini::generate_request apart from the fact it automatically removes the character return and line feed after the URL to allow for conversion from raw Gemini requests.
+// Construction functions aim to be as transparent as possible so apart from turning it into a structure, the request stays relatively unchanged.
+pub fn construct_request(req: &str) -> GeminiRequest {
+	let url: Vec<&str> = req.split("\r\n").collect();
+	let wurl = wrap_url(url[0]);
+	let gem = GeminiRequest { url: wurl };
+	return gem
+}
+
+// A function for converting Gemini header and body strings into GeminiResponse.
+// Construction functions aim to be as transparent as possible so apart from turning it into a structure, the response stays relatively unchanged.
+pub fn construct_response(res: &str, body: &str) -> GeminiResponse {
+	let split1: Vec<&str> = res.split("\r\n").collect();
+	let split2: Vec<&str> = split1[0].split(" ").collect();
+	let mut meta = "".to_string();
+	for v in &split2 {
+		if v != &split2[0] {
+			if meta == "" {
+				meta = v.to_string();
+			} else {
+				meta = format!("{} {}", meta, v.to_string());
+			}
+		}
+	}
+
+	let n: i32 = FromStr::from_str(split2[0]).unwrap();
+	let resp = GeminiResponse { code: n, meta: meta.to_string(), body: body.to_string() };
+	return resp
+}

src/lib.rs

@@ -43,5 +43,42 @@ pub fn generate_kvheader(key: &str, value: &str) -> KVHeader {
 	return result
 }
 
+/// A global structure for integrating URLs within the structural system of packeteer.
+/// Can be automatically generated with the function packeteer::wrap_url.
+#[derive(Debug)]
+pub struct Url {
+	pub protocol: String,
+	pub domain: String,
+	pub segments: Vec<String>,
+}
+
+/// A public function for wrapping a string reference as a Url structure.
+pub fn wrap_url(input: &str) -> Url {
+	let split1: Vec<&str> = input.split("://").collect();
+	let split2: Vec<&str> = split1[1].split("/").collect();
+	let protocol = split1[0];
+	let domain = split2[0];
+	let mut segments: Vec<String> = vec![];
+	for v in split2 {
+		if v != "" && v != domain {
+			segments.push(v.to_string());
+		}
+	}
+	let url = Url { protocol: protocol.to_string(), domain: domain.to_string(), segments: segments };
+	return url
+}
+
+/// A public function for unwrapping a Url structure into a String.
+pub fn unwrap_url(input: Url) -> String {
+	let mut string = format!("{}://{}", input.protocol, input.domain);
+	for v in input.segments {
+		string = format!("{}/{}", string, v);
+	}
+	return string.to_string();
+}
+
 #[cfg(feature = "http1")]
 pub mod http1;
+
+#[cfg(feature = "gemini")]
+pub mod gemini;