From d4c3b70d6290c52f903e674e9957b979abd4ce07 Mon Sep 17 00:00:00 2001
From: lamp
Date: Sun, 5 Mar 2023 21:37:45 +0000
Subject: init

---
 src/http/rule.rs | 123 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 src/http/rule.rs

(limited to 'src/http/rule.rs')

diff --git a/src/http/rule.rs b/src/http/rule.rs
new file mode 100644
index 0000000..1672d99
--- /dev/null
+++ b/src/http/rule.rs
@@ -0,0 +1,123 @@
+use std::collections::HashMap;
+
+lazy_static! {
+    static ref METHODS: HashMap<&'static str, Method> = {
+        let mut m = HashMap::new();
+        m.insert("GET", Method::GET);
+        m.insert("HEAD", Method::HEAD);
+        m.insert("POST", Method::POST);
+        m.insert("PUT", Method::PUT);
+        m.insert("DELETE", Method::DELETE);
+        m.insert("CONNECT", Method::CONNECT);
+        m.insert("OPTIONS", Method::OPTIONS);
+        m.insert("TRACE", Method::TRACE);
+        m
+    };
+}
+
+/*
+* RFC 7230, Page 19
+*/
+#[derive(Debug)]
+pub struct HTTPMessage {
+    pub request_line: RequestLine,
+    pub header_fields: Vec<HeaderField>,
+}
+
+/*
+* RFC 7230, Page 23
+*/
+#[derive(Debug)]
+pub struct HeaderField {
+    pub name: FieldName,
+    pub value: FieldValue,
+}
+
+/*
+* RFC 7230, Page 23
+*/
+#[derive(Debug)]
+pub struct FieldName {
+    pub lexeme: String,
+}
+
+/*
+* RFC 7230, Page 23
+*/
+#[derive(Debug)]
+pub struct FieldValue {
+    pub content: Vec<u8>,
+}
+
+/*
+* RFC 7230, Page 23
+*/
+#[derive(Debug)]
+pub struct FieldContent {
+    pub first_char: u8,
+    pub second_char: Option<u8>,
+}
+
+/*
+* RFC 7230, Page 21
+*/
+#[derive(Debug)]
+pub struct RequestLine {
+    pub method: Method,
+    pub request_target: OriginForm,
+    pub http_version: HTTPVersion,
+}
+
+/*
+* RFC 7231, Page 22
+*/
+#[derive(Debug, Clone)]
+pub enum Method {
+    GET,
+    HEAD,
+    POST,
+    PUT,
+    DELETE,
+    CONNECT,
+    OPTIONS,
+    TRACE,
+}
+
+impl Method {
+    pub fn from_string(string: &str) -> Option<Method> {
+        METHODS.get(string).cloned()
+    }
+}
+
+/*
+* RFC 7230, Page 41
+*/
+#[derive(Debug)]
+pub struct OriginForm {
+    pub absolute_path: AbsolutePath,
+    pub query: Option<Query>,
+}
+
+/*
+* RFC 7230, Page 14
+*/
+#[derive(Debug)]
+pub struct HTTPVersion {
+    pub major: u32,
+    pub minor: u32,
+}
+
+#[derive(Debug)]
+pub struct AbsolutePath {
+    pub segments: Vec<Segment>,
+}
+
+#[derive(Debug)]
+pub struct Query {
+    pub lexeme: String,
+}
+
+#[derive(Debug)]
+pub struct Segment {
+    pub lexeme: String,
+}
-- 
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