diff options
Diffstat (limited to 'lib/bundler/compact_index_client/gem_parser.rb')
-rw-r--r-- | lib/bundler/compact_index_client/gem_parser.rb | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/bundler/compact_index_client/gem_parser.rb b/lib/bundler/compact_index_client/gem_parser.rb new file mode 100644 index 0000000000..117da64ce6 --- /dev/null +++ b/lib/bundler/compact_index_client/gem_parser.rb @@ -0,0 +1,66 @@ +# 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 |