Add a very limited URI parser.

zig-impl/src/util.zig

@@ -2,6 +2,37 @@ const std = @import("std");
 // const hexdump = @import("./hexdump.zig");
 const testing = std.testing;
 
+/// A VERY LIGHT and INCOMPLETE way of decoding URI.
+/// DO NOT USE IT UNLESS YOU KNOW WHAT TO EXPECT.
+pub const URI = struct {
+    protocol: []const u8,
+    address:  []const u8,
+    path:     []const u8,
+
+    const Self = @This();
+
+    pub fn read(uri_to_decode: []const u8) Self {
+
+        var protocolit = std.mem.split(u8, uri_to_decode, "://");
+        var protocol = protocolit.first();
+
+        var addressit = std.mem.split(u8, protocolit.next().?, "/");
+        var address = addressit.first();
+
+        var path = addressit.rest();
+
+        return Self { .protocol = protocol
+            , .address = address
+            , .path = path };
+    }
+};
+
+test "URI simple decoding" {
+    var uri = URI.read("tcp://127.0.0.1:8000/some-path");
+    try testing.expectEqualSlices(u8, uri.protocol, "tcp");
+    try testing.expectEqualSlices(u8, uri.address, "127.0.0.1:8000");
+    try testing.expectEqualSlices(u8, uri.path, "some-path");
+}
 
 pub fn print_eq(expected: anytype, obj: anytype) !void {
     var buffer: [4096]u8 = undefined;