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23 lines
585 B
CoffeeScript
23 lines
585 B
CoffeeScript
class Table
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constructor: (@file, @tag) ->
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@tag ?= @constructor.name.replace('Table', '').toLowerCase()
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info = @file.directory.tables[@tag]
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@exists = !!info
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if info
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{@offset, @length} = info
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@parse @file.contents
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parse: ->
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# implemented by subclasses
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encode: ->
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# implemented by subclasses
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raw: ->
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return null unless @exists
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@file.contents.pos = @offset
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@file.contents.read @length
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module.exports = Table |