119 lines
2.9 KiB
Ruby
119 lines
2.9 KiB
Ruby
# frozen_string_literal: true
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module Zip
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# The superclass for all rubyzip error types. Simply rescue this one if
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# you don't need to know what sort of error has been raised.
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class Error < StandardError; end
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# Error raised if an unsupported compression method is used.
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class CompressionMethodError < Error
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attr_reader :compression_method
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def initialize(method)
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super()
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@compression_method = method
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end
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def message
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"Unsupported compression method: #{COMPRESSION_METHODS[@compression_method]}."
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end
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end
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# Error raised if there is a problem while decompressing an archive entry.
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class DecompressionError < Error
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attr_reader :zlib_error
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def initialize(zlib_error)
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super()
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@zlib_error = zlib_error
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end
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def message
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"Zlib error ('#{@zlib_error.message}') while inflating."
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end
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end
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# Error raised when trying to extract an archive entry over an
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# existing file.
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class DestinationExistsError < Error
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def initialize(destination)
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super()
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@destination = destination
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end
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def message
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"Cannot create file or directory '#{@destination}'. " \
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'A file already exists with that name.'
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end
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end
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# Error raised when trying to add an entry to an archive where the
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# entry name already exists.
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class EntryExistsError < Error
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def initialize(source, name)
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super()
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@source = source
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@name = name
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end
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def message
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"'#{@source}' failed. Entry #{@name} already exists."
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end
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end
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# Error raised when an entry name is invalid.
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class EntryNameError < Error
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def initialize(name = nil)
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super()
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@name = name
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end
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def message
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if @name.nil?
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'Illegal entry name. Names must have fewer than 65,536 characters.'
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else
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"Illegal entry name '#{@name}'. Names must not start with '/'."
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end
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end
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end
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# Error raised if an entry is larger on extraction than it is advertised
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# to be.
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class EntrySizeError < Error
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attr_reader :entry
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def initialize(entry)
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super()
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@entry = entry
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end
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def message
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"Entry '#{@entry.name}' should be #{@entry.size}B, but is larger when inflated."
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end
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end
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# Error raised if a split archive is read. Rubyzip does not support reading
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# split archives.
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class SplitArchiveError < Error
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def message
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'Rubyzip cannot extract from split archives at this time.'
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end
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end
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# Error raised if there is not enough metadata for the entry to be streamed.
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class StreamingError < Error
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attr_reader :entry
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def initialize(entry)
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super()
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@entry = entry
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end
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def message
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"The local header of this entry ('#{@entry.name}') does not contain " \
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'the correct metadata for `Zip::InputStream` to be able to ' \
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'uncompress it. Please use `Zip::File` instead of `Zip::InputStream`.'
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end
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end
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end
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