class Librarian::Lockfile::Parser
Attributes
environment[RW]
Public Class Methods
new(environment)
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# File lib/librarian/lockfile/parser.rb, line 19 def initialize(environment) self.environment = environment end
Public Instance Methods
parse(string)
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# File lib/librarian/lockfile/parser.rb, line 23 def parse(string) lines = string.lines.map{|l| l.sub(/\s+\z/, '')}.reject(&:empty?) sources = extract_and_parse_sources(lines) manifests = compile(sources) manifests_index = Hash[manifests.map{|m| [m.name, m]}] raise StandardError, "Expected DEPENDENCIES topic!" unless lines.shift == "DEPENDENCIES" dependencies = extract_and_parse_dependencies(lines, manifests_index) Resolution.new(dependencies, manifests) end
Private Instance Methods
compile(sources_ast)
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# File lib/librarian/lockfile/parser.rb, line 91 def compile(sources_ast) manifests = compile_placeholder_manifests(sources_ast) manifests = manifests.map do |name, manifest| dependencies = manifest.dependencies.map do |d| environment.dsl_class.dependency_type.new(d.name, d.requirement, manifests[d.name].source) end real = Manifest.new(manifest.source, manifest.name) real.version = manifest.version real.dependencies = manifest.dependencies real end ManifestSet.sort(manifests) end
compile_placeholder_manifests(sources_ast)
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# File lib/librarian/lockfile/parser.rb, line 74 def compile_placeholder_manifests(sources_ast) manifests = {} sources_ast.each do |source_ast| source_type = source_ast[:type] source = source_type.from_lock_options(environment, source_ast[:options]) source_ast[:manifests].each do |manifest_name, manifest_ast| manifests[manifest_name] = ManifestPlaceholder.new( source, manifest_name, manifest_ast[:version], manifest_ast[:dependencies].map{|k, v| environment.dsl_class.dependency_type.new(k, v, nil)} ) end end manifests end
dsl_class()
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# File lib/librarian/lockfile/parser.rb, line 105 def dsl_class environment.dsl_class end
extract_and_parse_dependencies(lines, manifests_index)
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# File lib/librarian/lockfile/parser.rb, line 64 def extract_and_parse_dependencies(lines, manifests_index) dependencies = [] while lines.first =~ /^ {2}([\w\-\/]+)(?: \((.*)\))?$/ lines.shift name, requirement = $1, $2.split(/,\s*/) dependencies << environment.dsl_class.dependency_type.new(name, requirement, manifests_index[name].source) end dependencies end
extract_and_parse_sources(lines)
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# File lib/librarian/lockfile/parser.rb, line 35 def extract_and_parse_sources(lines) sources = [] while source_type_names.include?(lines.first) source = {} source_type_name = lines.shift source[:type] = source_type_names_map[source_type_name] options = {} while lines.first =~ /^ {2}([\w\-\/]+):\s+(.+)$/ lines.shift options[$1.to_sym] = $2 end source[:options] = options lines.shift # specs manifests = {} while lines.first =~ /^ {4}([\w\-\/]+) \((.*)\)$/ lines.shift name = $1 manifests[name] = {:version => $2, :dependencies => {}} while lines.first =~ /^ {6}([\w\-\/]+) \((.*)\)$/ lines.shift manifests[name][:dependencies][$1] = $2.split(/,\s*/) end end source[:manifests] = manifests sources << source end sources end
source_type_names()
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# File lib/librarian/lockfile/parser.rb, line 115 def source_type_names @source_type_names ||= begin dsl_class.source_types.map{|t| t[1].lock_name} end end
source_type_names_map()
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# File lib/librarian/lockfile/parser.rb, line 109 def source_type_names_map @source_type_names_map ||= begin Hash[dsl_class.source_types.map{|t| [t[1].lock_name, t[1]]}] end end