| 1 | const std = @import("std"); |
| 2 | const string = []const u8; |
| 3 | const extras = @import("./lib.zig"); |
| 4 | |
| 5 | pub fn LoggingReader(comptime T: type, comptime scope: @EnumLiteral()) type { |
| 6 | return struct { |
| 7 | child_stream: T, |
| 8 | |
| 9 | pub const Error = T.Error; |
| 10 | pub const Reader = std.io.Reader(Self, Error, read); |
| 11 | |
| 12 | const Self = @This(); |
| 13 | |
| 14 | pub fn init(child_stream: T) Self { |
| 15 | return .{ |
| 16 | .child_stream = child_stream, |
| 17 | }; |
| 18 | } |
| 19 | |
| 20 | pub fn reader(self: Self) Reader { |
| 21 | return .{ .context = self }; |
| 22 | } |
| 23 | |
| 24 | fn read(self: Self, dest: []u8) Error!usize { |
| 25 | const n = try self.child_stream.read(dest); |
| 26 | std.log.scoped(scope).debug("{s}", .{dest[0..n]}); |
| 27 | return n; |
| 28 | } |
| 29 | }; |
| 30 | } |