From ca682f9d764da0ae651f37cf06905cff36995064 Mon Sep 17 00:00:00 2001 From: Lucas Faria Mendes Date: Fri, 5 Dec 2025 06:19:35 -0300 Subject: codecrafters submit [skip ci] --- src/record.zig | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 src/record.zig (limited to 'src/record.zig') diff --git a/src/record.zig b/src/record.zig new file mode 100644 index 0000000..e430378 --- /dev/null +++ b/src/record.zig @@ -0,0 +1,27 @@ +const std = @import("std"); + +pub fn readString(data: []const u8, serial_type: u64) struct { value: []const u8, len: usize } { + if (serial_type >= 13 and (serial_type % 2) == 1) { + const size = (serial_type - 13) / 2; + return .{ .value = data[0..size], .len = size }; + } + return .{ .value = "", .len = 0 }; +} + +pub fn readInt(data: []const u8, serial_type: u64) struct { value: i64, len: usize } { + return switch (serial_type) { + 1 => .{ .value = @as(i64, @as(i8, @intCast(data[0]))), .len = 1 }, + 2 => .{ .value = @as(i64, std.mem.readInt(i16, data[0..2], .big)), .len = 2 }, + 3 => blk: { + const b = [_]i32{ @intCast(data[0]), @intCast(data[1]), @intCast(data[2]) }; + break :blk .{ .value = @as(i64, (b[0] << 16) | (b[1] << 8) | b[2]), .len = 3 }; + }, + 4 => .{ .value = @as(i64, std.mem.readInt(i32, data[0..4], .big)), .len = 4 }, + 5 => blk: { + const b = [_]i64{ @intCast(data[0]), @intCast(data[1]), @intCast(data[2]), @intCast(data[3]), @intCast(data[4]), @intCast(data[5]) }; + break :blk .{ .value = (b[0] << 40) | (b[1] << 32) | (b[2] << 24) | (b[3] << 16) | (b[4] << 8) | b[5], .len = 6 }; + }, + 6 => .{ .value = std.mem.readInt(i64, data[0..8], .big), .len = 8 }, + else => .{ .value = 0, .len = 0 }, + }; +} -- cgit v1.2.3