refl: add hono Context

hono/request.v

@@ -2,31 +2,92 @@ module hono
 
 import net.http
 
-pub struct Request {
+// Context 结构体，类似 Hono.js 的实现
+pub struct Context {
 pub:
-	url   string
-	param map[string]string
-	query map[string]string
-	body  string
+	req    http.Request
+	params map[string]string
+	query  map[string]string
+	url    string
+pub mut:
+	status_code int = 200
+	headers     map[string]string
+	body        string
 }
 
-// 接口定义，允许异构的泛型处理器
-pub interface IRequestHandler {
+// Context 构造函数
+pub fn Context.new(req http.Request, params map[string]string, query map[string]string, body string) Context {
+	return Context{
+		req: req
+		params: params
+		query: query
+		body: body
+		url: req.url
+		headers: map[string]string{}
+	}
+}
+
+// Context 的便捷方法 - 直接返回 http.Response
+pub fn (mut c Context) json(data string) http.Response {
+	mut headers := http.new_header()
+	headers.add_custom('Content-Type', 'application/json; charset=utf-8') or { }
+	for key, value in c.headers {
+		headers.add_custom(key, value) or { continue }
+	}
+	return http.Response{
+		status_code: c.status_code
+		header: headers
+		body: data
+	}
+}
+
+pub fn (mut c Context) text(data string) http.Response {
+	mut headers := http.new_header()
+	headers.add_custom('Content-Type', 'text/plain; charset=utf-8') or { }
+	for key, value in c.headers {
+		headers.add_custom(key, value) or { continue }
+	}
+	return http.Response{
+		status_code: c.status_code
+		header: headers
+		body: data
+	}
+}
+
+pub fn (mut c Context) html(data string) http.Response {
+	mut headers := http.new_header()
+	headers.add_custom('Content-Type', 'text/html; charset=utf-8') or { }
+	for key, value in c.headers {
+		headers.add_custom(key, value) or { continue }
+	}
+	return http.Response{
+		status_code: c.status_code
+		header: headers
+		body: data
+	}
+}
+
+pub fn (mut c Context) status(code int) {
+	c.status_code = code
+}
+
+// 处理器接口，使用 Context
+pub interface IHandler {
 	path string
-	handle(req Request) http.Response
+	handle(mut c Context) http.Response
 }
 
-// 泛型处理器类型
-pub type Handler = fn (Request) http.Response
+// 泛型处理器类型，使用 Context
+pub type ContextHandlerFn = fn (mut Context) http.Response
 
-// 泛型请求处理器结构体
-pub struct RequestHandler {
+// Context 处理器结构体
+pub struct ContextHandler {
 pub:
 	path    string
-	handler fn (Request) http.Response = unsafe { nil }
+	handler fn (mut Context) http.Response = unsafe { nil }
 }
 
-// 实现 IRequestHandler 接口
-pub fn (rh RequestHandler) handle(req Request) http.Response {
-	return rh.handler(req)
+// 实现 IHandler 接口
+pub fn (ch ContextHandler) handle(mut c Context) http.Response {
+	return ch.handler(mut c)
 }