Class: Bundler::Index

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/bundler/index.rb

Constant Summary collapse

RUBY = 
"ruby".freeze
NULL = 
"\0".freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Index

Returns a new instance of Index.



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# File 'lib/bundler/index.rb', line 20

def initialize
  @sources = []
  @cache = {}
  @specs = Hash.new {|h, k| h[k] = {} }
  @all_specs = Hash.new {|h, k| h[k] = [] }
end

Instance Attribute Details

#sources ⇒ Object (readonly)

Returns the value of attribute sources.



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# File 'lib/bundler/index.rb', line 14

def sources
  @sources
end

Class Method Details

.build {|i| ... } ⇒ Object

Yields:

  • (i) 


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# File 'lib/bundler/index.rb', line 8

def self.build
  i = new
  yield i
  i
end

Instance Method Details

#<<(spec) ⇒ Object 



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# File 'lib/bundler/index.rb', line 91

def <<(spec)
  @specs[spec.name][spec.full_name] = spec

  spec
end

#==(other) ⇒ Object 



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# File 'lib/bundler/index.rb', line 135

def ==(other)
  all? do |spec|
    other_spec = other[spec].first
    other_spec && (spec.dependencies & other_spec.dependencies).empty? && spec.source == other_spec.source
  end
end

#add_source(index) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/bundler/index.rb', line 142

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

#dependency_names ⇒ Object 



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# File 'lib/bundler/index.rb', line 110

def dependency_names
  names = []
  each {|s| names.push(*s.dependencies.map(&:name)) }
  names.uniq
end

#each(&blk) ⇒ Object 



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# File 'lib/bundler/index.rb', line 97

def each(&blk)
  specs.values.each do |spec_sets|
    spec_sets.values.each(&blk)
  end
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bundler/index.rb', line 46

def empty?
  each { return false }
  true
end

#initialize_copy(o) ⇒ Object 



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# File 'lib/bundler/index.rb', line 27

def initialize_copy(o)
  super
  @sources = @sources.dup
  @cache = {}
  @specs = Hash.new {|h, k| h[k] = {} }
  @all_specs = Hash.new {|h, k| h[k] = [] }

  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 ⇒ Object 



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# 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) ⇒ Object 



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# File 'lib/bundler/index.rb', line 78

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) ⇒ Object Also known as: []

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



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# File 'lib/bundler/index.rb', line 61

def search(query, base = nil)
  results = local_search(query, base)
  seen = Set.new(results.map {|spec| [spec.name, spec.version, spec.platform] })

  @sources.each do |source|
    source.search(query, base).each do |spec|
      lookup = [spec.name, spec.version, spec.platform]
      unless seen.include?(lookup)
        results << spec
        seen << lookup
      end
    end
  end

  results.sort_by {|s| [s.version, s.platform.to_s == RUBY ? NULL : s.platform.to_s] }
end

#search_all(name) ⇒ Object 



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# File 'lib/bundler/index.rb', line 51

def search_all(name)
  all_matches = @all_specs[name] + local_search(name)
  @sources.each do |source|
    all_matches.concat(source.search_all(name))
  end
  all_matches
end

#size ⇒ Object 



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# File 'lib/bundler/index.rb', line 129

def size
  @sources.inject(@specs.size) do |size, source|
    size += source.size
  end
end

#unmet_dependency_names ⇒ Object

returns a list of the dependencies



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# File 'lib/bundler/index.rb', line 104

def unmet_dependency_names
  names = dependency_names
  names.delete_if {|n| n == "bundler" }
  names.select {|n| search(n).empty? }
end

#use(other, override_dupes = false) ⇒ Object 



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# File 'lib/bundler/index.rb', line 116

def use(other, override_dupes = false)
  return unless other
  other.each do |s|
    if (dupes = search_by_spec(s)) && dupes.any?
      @all_specs[s.name] = [s] + dupes
      next unless override_dupes
      self << s
    end
    self << s
  end
  self
end