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# frozen_string_literal: true
module Bundler
class CompactIndexClient
class GemParser
def parse(line)
version_and_platform, rest = line.split(" ", 2)
version, platform = version_and_platform.split("-", 2)
dependencies, requirements = rest.split("|", 2) if rest
dependencies = dependencies ? parse_dependencies(dependencies) : []
requirements = requirements ? parse_requirements(requirements) : []
[version, platform, dependencies, requirements]
end
private
def parse_dependencies(raw_dependencies)
raw_dependencies.split(",").map {|d| parse_dependency(d) }
end
def parse_dependency(raw_dependency)
dependency = raw_dependency.split(":")
dependency[-1] = dependency[-1].split("&") if dependency.size > 1
dependency
end
# Parse the following format:
#
# line = "checksum:#{checksum}"
# line << ",ruby:#{ruby_version}" if ruby_version && ruby_version != ">= 0"
# line << ",rubygems:#{rubygems_version}" if rubygems_version && rubygems_version != ">= 0"
#
# See compact_index/gem_version.rb for details.
#
# We can't use parse_dependencies for requirements because "," in
# ruby_version and rubygems_version isn't escaped as "&". For example,
# "checksum:XXX,ruby:>=2.2, < 2.7.dev" can't be parsed as expected.
def parse_requirements(raw_requirements)
requirements = []
checksum = raw_requirements.match(/\A(checksum):([^,]+)/)
if checksum
requirements << [checksum[1], [checksum[2]]]
raw_requirements = checksum.post_match
if raw_requirements.start_with?(",")
raw_requirements = raw_requirements[1..-1]
end
end
rubygems = raw_requirements.match(/(rubygems):(.+)\z/)
if rubygems
raw_requirements = rubygems.pre_match
if raw_requirements.start_with?(",")
raw_requirements = raw_requirements[1..-1]
end
end
ruby = raw_requirements.match(/\A(ruby):(.+)\z/)
if ruby
requirements << [ruby[1], ruby[2].split(/\s*,\s*/)]
end
if rubygems
requirements << [rubygems[1], rubygems[2].split(/\s*,\s*/)]
end
requirements
end
end
end
end
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