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const std = @import("std");
const Self = @This();
class: u4,
destination_identifier: u4,
codes_count: [16]u8,
values: [16][]u8,
pub fn read(gpa: std.mem.Allocator, reader: *std.Io.Reader) !Self {
const kind = try reader.takeByte();
var self: Self = undefined;
self.class = @truncate(kind >> 4);
self.destination_identifier = @truncate(kind);
for (self.codes_count[0..]) |*count| {
count.* = try reader.takeByte();
}
for (self.values[0..], self.codes_count) |*values, count| {
values.* = try gpa.alloc(u8, count);
for (values.*) |*value| {
value.* = try reader.takeByte();
}
}
return self;
}
pub fn deinit(self: *Self, gpa: std.mem.Allocator) void {
for (self.values) |value| {
gpa.free(value);
}
self.* = undefined;
}
pub fn size_in_file(self: Self) usize {
var size: usize = 17;
for (self.codes_count) |count| {
size += count;
}
return size;
}
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