Class: LibyearRb::LockfileParser

Inherits:
Object
  • Object
show all
Defined in:
lib/libyear_rb/lockfile_parser.rb

Constant Summary collapse

BUNDLED_WITH =

Section markers

/^BUNDLED WITH$/
CHECKSUMS = 
/^CHECKSUMS$/
DEPENDENCIES = 
/^DEPENDENCIES$/
GEM = 
/^GEM$/
GIT = 
/^GIT$/
PATH = 
/^PATH$/
PLATFORMS = 
/^PLATFORMS$/
PLUGIN = 
/^PLUGIN SOURCE$/
RUBY = 
/^RUBY VERSION$/
REMOTE =

Entry patterns

/^  remote: (.+)$/
REVISION = 
/^  revision: (.+)$/
SPECS = 
/^  specs:$/
OPTION = 
/^  ([a-z]+): (.+)$/i
SPEC_ENTRY = 
/^    ([^ (]+)(?: \(([^)]+)\))?$/
DEPENDENCY_ENTRY = 
/^      ([^ (]+)(?: \(([^)]+)\))?$/
TOP_LEVEL_DEPENDENCY = 
/^  ([^ (]+)(?: \(([^)]+)\))?(!)?$/
PLATFORM_ENTRY = 
/^  (.+)$/
VERSION_LINE = 
/^   ?([^ ].+)$/
BUNDLED_VERSION = 
/^   ?([^ ].+)$/

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.parse(lockfile_content) ⇒ Object 



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# File 'lib/libyear_rb/lockfile_parser.rb', line 28

def self.parse(lockfile_content)
  new.parse(lockfile_content)
end

Instance Method Details

#parse(lockfile_content) ⇒ Object 



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# File 'lib/libyear_rb/lockfile_parser.rb', line 32

def parse(lockfile_content)
  lines = lockfile_content.lines(chomp: true)

  sources = []
  platforms = []
  dependencies = []
  ruby_version = nil
  bundled_with = nil

  i = 0
  while i < lines.length
    line = lines[i]

    case line
    when GIT, GEM, PATH, PLUGIN
      source, next_i = parse_source(lines, i)
      sources << source
      i = next_i
    when PLATFORMS
      platforms, i = parse_platforms(lines, i + 1)
    when DEPENDENCIES
      dependencies, i = parse_dependencies(lines, i + 1)
    when RUBY
      ruby_version, i = parse_ruby_version(lines, i + 1)
    when BUNDLED_WITH
      bundled_with, i = parse_bundled_with(lines, i + 1)
    when CHECKSUMS
      i = skip_section(lines, i + 1)
    else
      i += 1
    end
  end

  direct_names = dependencies.map(&:name)
  sources = sources.map do |source|
    source.with(specs: source.specs.map { |spec|
      spec.with(direct: direct_names.include?(spec.name))
    })
  end

  Lockfile.new(
    sources: sources,
    platforms: platforms,
    dependencies: dependencies,
    ruby_version: ruby_version,
    bundled_with: bundled_with
  )
end