86 lines
1.8 KiB
Ruby
86 lines
1.8 KiB
Ruby
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# frozen_string_literal: true
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require_relative '../packer'
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class SnapItemBase
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attr_reader :notes, :name, :id
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def initialize(hash_or_raw)
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@fields = @field_names.map do |_|
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0
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end
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@size = @fields.count
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@name = self.class.name
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@notes = [] # hexdump annotation notes
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if hash_or_raw.instance_of?(Hash)
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init_hash(hash_or_raw)
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elsif hash_or_raw.instance_of?(Unpacker)
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init_unpacker(hash_or_raw)
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else
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init_raw(hash_or_raw)
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end
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end
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def validate
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@fields.select(&:nil?).empty?
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end
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def init_unpacker(u)
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@id = u.get_int
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p = u.parsed.last
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@notes.push([:cyan, p[:pos], p[:len], "id=#{@id}"])
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i = 0
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@fields.map! do |_|
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# TODO: as of right now it can get nil values here
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# the fix would be "u.get_int || 0"
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# but fixing it would probably make it harder
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# to debug invalid data
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#
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# but do rethink this in a later point please :)
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# for now call .validate() everywhere
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val = u.get_int
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p = u.parsed.last
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color = (i % 2).zero? ? :yellow : :pink
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desc = @field_names[i]
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@notes.push([color, p[:pos], p[:len], "data[#{i}]=#{val} #{desc}"])
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i += 1
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val
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end
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end
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def init_raw(data)
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u = Unpacker.new(data)
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init_unpacker(u)
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end
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def init_hash(attr)
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@fields_names.each do |name|
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instance_variable_set("@#{name}", attr[name] || 0)
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end
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end
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def to_h
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hash = {}
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@field_names.each_with_index do |name, index|
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hash[name] = @fields[index]
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end
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hash
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end
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# basically to_network
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# int array the server sends to the client
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def to_a
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arr = []
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@fields.each do |value|
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arr += Packer.pack_int(value)
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end
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arr
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end
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def to_s
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to_h
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end
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end
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