Class: Bibliothecary::Parsers::Cargo

Inherits:
Object
  • Object
show all
Includes:
Analyser
Defined in:
lib/bibliothecary/parsers/cargo.rb

Class Method Summary collapse

Methods included from Analyser

create_analysis, create_error_analysis, included

Class Method Details

.mapping ⇒ Object 



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# File 'lib/bibliothecary/parsers/cargo.rb', line 6

def self.mapping
  {
    match_filename("Cargo.toml") => {
      kind: 'manifest',
      parser: :parse_manifest
    },
    match_filename("Cargo.lock") => {
      kind: 'lockfile',
      parser: :parse_lockfile
    }
  }
end

.parse_lockfile(file_contents, options: {}) ⇒ Object 



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# File 'lib/bibliothecary/parsers/cargo.rb', line 43

def self.parse_lockfile(file_contents, options: {})
  manifest = Tomlrb.parse(file_contents)
  manifest.fetch('package',[]).map do |dependency|
    next if not dependency['source'] or not dependency['source'].start_with?('registry+')
    {
      name: dependency['name'],
      requirement: dependency['version'],
      type: 'runtime'
    }
  end
    .compact
end

.parse_manifest(file_contents, options: {}) ⇒ Object 



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# File 'lib/bibliothecary/parsers/cargo.rb', line 22

def self.parse_manifest(file_contents, options: {})
  manifest = Tomlrb.parse(file_contents)

  parsed_dependencies = []

  manifest.fetch_values('dependencies', 'dev-dependencies').each_with_index do |deps, index|
    parsed_dependencies << deps.map do |name, requirement|
      if requirement.respond_to?(:fetch)
        requirement = requirement['version'] or next
      end
      {
        name: name,
        requirement: requirement,
        type: index.zero? ? 'runtime' : 'development'
      }
    end
  end

  parsed_dependencies.flatten.compact
end