Initial commit

http/http.odin

@@ -0,0 +1,79 @@
+package http
+
+import "core:strconv"
+
+RequestError :: enum {
+    InvalidRequestLine,
+    InvalidMethod,
+    InvalidHeaderFormat,
+    IncompleteRequest,
+    ContentLengthMismatch,
+    FailedParsing,
+    NetworkError,
+}
+
+ResponseError :: enum {
+    InvalidContentType,
+    InvalidStatus,
+}
+
+Header :: map[string]string
+
+Status :: enum u32 {
+    Ok                  = 200,
+    BadRequest          = 400,
+    NotFound            = 404,
+    InternalServerError = 500,
+}
+
+ContentType :: enum {
+    Html,
+    Image,
+}
+
+Response :: struct {
+    header:        Header,
+    proto_version: string,
+    status:        Status,
+    body:          []byte,
+}
+
+Method :: enum {
+    GET,
+    POST,
+    PUT,
+    DELETE,
+}
+
+Request :: struct {
+    header:         Header,
+    proto_version:  string,
+    method:         Method,
+    path:           string,
+    body:           []byte,
+    path_variables: map[string]string,
+}
+
+make_response :: proc(
+    status: Status,
+    body: []byte,
+    content_type: ContentType,
+    allocator := context.temp_allocator,
+) -> Response {
+    response := Response {
+        status        = status,
+        proto_version = "HTTP/1.1",
+        header        = make(Header, allocator),
+        body          = body,
+    }
+
+    buf := make([]byte, 32, allocator)
+    response.header["Content-Length"] = strconv.write_uint(
+        buf[:],
+        u64(len(body)),
+        10,
+    )
+    response.header["Content-Type"] = str_from_content_type(content_type)
+
+    return response
+}