# class Bundler::Index

### Constants

EMPTY_SEARCH
NULL
RUBY

### Attributes

all_specs[R]
sources[R]
specs[R]

### Public Class Methods

build() { |i| ... } click to toggle source

    # File lib/bundler/index.rb, line 9
    def self.build
      i = new
      yield i
      i
    end

new() click to toggle source

    # File lib/bundler/index.rb, line 21
    def initialize
      @sources = []
      @cache = {}
      @specs = Hash.new {|h, k| h[k] = {} }
      @all_specs = Hash.new {|h, k| h[k] = EMPTY_SEARCH }
    end

sort_specs(specs) click to toggle source

    # File lib/bundler/index.rb, line 80
    def self.sort_specs(specs)
      specs.sort_by do |s|
        platform_string = s.platform.to_s
        [s.version, platform_string == RUBY ? NULL : platform_string]
      end
    end

### Public Instance Methods

<<(spec) click to toggle source

    # File lib/bundler/index.rb, line 104
    def <<(spec)
      @specs[spec.name][spec.full_name] = spec
      spec
    end

==(other) click to toggle source

Whether all the specs in self are in other TODO: rename to `include?`

    # File lib/bundler/index.rb, line 163
    def ==(other)
      all? do |spec|
        other_spec = other[spec].first
        other_spec && dependencies_eql?(spec, other_spec) && spec.source == other_spec.source
      end
    end

[](query, base = nil)
Alias for: search
add_source(index) click to toggle source

    # File lib/bundler/index.rb, line 176
    def add_source(index)
      raise ArgumentError, "Source must be an index, not #{index.class}" unless index.is_a?(Index)
      @sources << index
      @sources.uniq! # need to use uniq! here instead of checking for the item before adding
    end

dependencies_eql?(spec, other_spec) click to toggle source

    # File lib/bundler/index.rb, line 170
    def dependencies_eql?(spec, other_spec)
      deps       = spec.dependencies.select {|d| d.type != :development }
      other_deps = other_spec.dependencies.select {|d| d.type != :development }
      Set.new(deps) == Set.new(other_deps)
    end

dependency_names() click to toggle source

    # File lib/bundler/index.rb, line 131
    def dependency_names
      names = []
      each do |spec|
        spec.dependencies.each do |dep|
          next if dep.type == :development
          names << dep.name
        end
      end
      names.uniq
    end

each(&blk) click to toggle source

    # File lib/bundler/index.rb, line 109
    def each(&blk)
      return enum_for(:each) unless blk
      specs.values.each do |spec_sets|
        spec_sets.values.each(&blk)
      end
      sources.each {|s| s.each(&blk) }
      self
    end

empty?() click to toggle source

    # File lib/bundler/index.rb, line 46
    def empty?
      each { return false }
      true
    end

initialize_copy(o) click to toggle source

    # File lib/bundler/index.rb, line 28
    def initialize_copy(o)
      @sources = o.sources.dup
      @cache = {}
      @specs = Hash.new {|h, k| h[k] = {} }
      @all_specs = Hash.new {|h, k| h[k] = EMPTY_SEARCH }

      o.specs.each do |name, hash|
        @specs[name] = hash.dup
      end
      o.all_specs.each do |name, array|
        @all_specs[name] = array.dup
      end
    end

inspect() click to toggle source

    # File lib/bundler/index.rb, line 42
    def inspect
      "#<#{self.class}:0x#{object_id} sources=#{sources.map(&:inspect)} specs.size=#{specs.size}>"
    end

local_search(query, base = nil) click to toggle source

    # File lib/bundler/index.rb, line 91
    def local_search(query, base = nil)
      case query
      when Gem::Specification, RemoteSpecification, LazySpecification, EndpointSpecification then search_by_spec(query)
      when String then specs_by_name(query)
      when Gem::Dependency then search_by_dependency(query, base)
      when DepProxy then search_by_dependency(query.dep, base)
      else
        raise "You can't search for a #{query.inspect}."
      end
    end

search(query, base = nil) click to toggle source

Search this index's specs, and any source indexes that this index knows about, returning all of the results.

    # File lib/bundler/index.rb, line 61
    def search(query, base = nil)
      sort_specs(unsorted_search(query, base))
    end

Also aliased as: []
search_all(name) click to toggle source

    # File lib/bundler/index.rb, line 51
    def search_all(name)
      all_matches = local_search(name) + @all_specs[name]
      @sources.each do |source|
        all_matches.concat(source.search_all(name))
      end
      all_matches
    end

size() click to toggle source

    # File lib/bundler/index.rb, line 155
    def size
      @sources.inject(@specs.size) do |size, source|
        size += source.size
      end
    end

sort_specs(specs) click to toggle source

    # File lib/bundler/index.rb, line 87
    def sort_specs(specs)
      self.class.sort_specs(specs)
    end

spec_names() click to toggle source

    # File lib/bundler/index.rb, line 118
    def spec_names
      names = specs.keys + sources.map(&:spec_names)
      names.uniq!
      names
    end

unmet_dependency_names() click to toggle source

returns a list of the dependencies

    # File lib/bundler/index.rb, line 125
    def unmet_dependency_names
      dependency_names.select do |name|
        name != "bundler" && search(name).empty?
      end
    end

use(other, override_dupes = false) click to toggle source

    # File lib/bundler/index.rb, line 142
    def use(other, override_dupes = false)
      return unless other
      other.each do |s|
        if (dupes = search_by_spec(s)) && !dupes.empty?
          # safe to << since it's a new array when it has contents
          @all_specs[s.name] = dupes << s
          next unless override_dupes
        end
        self << s
      end
      self
    end

### Protected Instance Methods

unsorted_search(query, base) click to toggle source

    # File lib/bundler/index.rb, line 65
    def unsorted_search(query, base)
      results = local_search(query, base)

      seen = results.map(&:full_name).to_set unless @sources.empty?

      @sources.each do |source|
        source.unsorted_search(query, base).each do |spec|
          results << spec if seen.add?(spec.full_name)
        end
      end

      results
    end

### Private Instance Methods

search_by_dependency(dependency, base = nil) click to toggle source

    # File lib/bundler/index.rb, line 188
    def search_by_dependency(dependency, base = nil)
      @cache[base || false] ||= {}
      @cache[base || false][dependency] ||= begin
        specs = specs_by_name(dependency.name)
        specs += base if base
        found = specs.select do |spec|
          next true if spec.source.is_a?(Source::Gemspec)
          if base # allow all platforms when searching from a lockfile
            dependency.matches_spec?(spec)
          else
            dependency.matches_spec?(spec) && Gem::Platform.match(spec.platform)
          end
        end

        found
      end
    end

search_by_spec(spec) click to toggle source

    # File lib/bundler/index.rb, line 208
    def search_by_spec(spec)
      spec = @specs[spec.name][spec.full_name]
      spec ? [spec] : EMPTY_SEARCH
    end

specs_by_name(name) click to toggle source

    # File lib/bundler/index.rb, line 184
    def specs_by_name(name)
      @specs[name].values
    end