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# frozen_string_literal: true
# MIT License
#
# Copyright (c) 2021 package-url
# Portions Copyright 2022 Gitlab B.V.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
module Sbom
class PackageUrl
module StringUtils
private
def strip(string, char)
string.delete_prefix(char).delete_suffix(char)
end
def split_segments(string)
strip(string, '/').split('/')
end
def encode_segments(string)
return '' if string.nil?
split_segments(string).map do |segment|
next if block_given? && yield(segment)
URI.encode_www_form_component(segment)
end.join('/')
end
# Partition the given string on the separator.
# The side being partitioned from is returned as the value,
# with the opposing side being returned as the remainder.
#
# If a block is given, then the (value, remainder) are given
# to the block, and the return value of the block is used as the value.
#
# If `require_separator` is true, then a nil value will be returned
# if the separator is not present.
def partition(string, sep, from: :left, require_separator: true)
value, separator, remainder = if from == :left
left, separator, right = string.partition(sep)
[left, separator, right]
else
left, separator, right = string.rpartition(sep)
[right, separator, left]
end
return [nil, value] if separator.empty? && require_separator
value = yield(value, remainder) if block_given?
[value, remainder]
end
end
end
end
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