Class: Gel::Store

Inherits:
Object
  • Object
show all
Defined in:
lib/gel/store.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(root) ⇒ Store

Returns a new instance of Store.



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# File 'lib/gel/store.rb', line 9

def initialize(root)
  @root = File.realpath(File.expand_path(root))
  @primary_db = Gel::DB.new(root, "store")
  @lib_db = Gel::DB.new(root, "libs")
  @rlib_db = Gel::DB::File.new(root, "meta")

  @monitor = Monitor.new
end

Instance Attribute Details

#monitor ⇒ Object (readonly)

Returns the value of attribute monitor.



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# File 'lib/gel/store.rb', line 7

def monitor
  @monitor
end

#root ⇒ Object (readonly)

Returns the value of attribute root.



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# File 'lib/gel/store.rb', line 6

def root
  @root
end

Instance Method Details

#add_gem(name, version, bindir, executables, require_paths, dependencies, extensions) ⇒ Object 



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# File 'lib/gel/store.rb', line 26

def add_gem(name, version, bindir, executables, require_paths, dependencies, extensions)
  name = normalize_string(name)
  version = normalize_string(version)
  bindir = normalize_string(bindir)
  executables = executables.map { |v| normalize_string(v) }
  require_paths = require_paths.map { |v| normalize_string(v) }
  _dependencies = {}
  dependencies.each do |key, dep|
    _dependencies[normalize_string(key)] = dep.map { |pair| pair.map { |v| normalize_string(v) } }
  end
  dependencies = _dependencies
  extensions = !!extensions

  @primary_db.writing do
    vs = @primary_db["v/#{name}"] || []
    raise "already installed" if vs.include?(version)
    vs << version
    vs.sort_by! { |v| Gel::Support::GemVersion.new(v) }
    vs.reverse!
    @primary_db["v/#{name}"] = vs

    d = {}
    d[:bindir] = bindir unless bindir == "bin"
    d[:executables] = executables unless executables.empty?
    d[:require_paths] = require_paths unless require_paths == ["lib"]
    d[:dependencies] = dependencies unless dependencies.empty?
    d[:extensions] = extensions if extensions
    @primary_db["i/#{name}/#{version}"] = d

    yield if block_given?
  end
end

#add_lib(name, version, files) ⇒ Object 



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# File 'lib/gel/store.rb', line 59

def add_lib(name, version, files)
  name = normalize_string(name)
  version = version.is_a?(Array) ? version.map { |v| normalize_string(v) } : normalize_string(version)
  files = files.map { |v| normalize_string(v) }

  @lib_db.writing do
    @rlib_db.writing do |rst|
      files.each do |file|
        h = @lib_db[file] || {}
        d = h[name] || []
        raise "already installed" if d.include?(version)
        d << version
        h[name] = d.sort_by.with_index { |(v, _), idx| [Gel::Support::GemVersion.new(v), -idx] }.reverse
        @lib_db[file] = h
      end

      v, d = version
      ls = @rlib_db["#{name}-#{v}"] || []
      unless sls = ls.assoc(d)
        sls = [d, []]
        ls << sls
      end
      sls.last.concat files
      @rlib_db["#{name}-#{v}"] = ls
    end
  end
end

#each(gem_name = nil, &block) ⇒ Object 



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# File 'lib/gel/store.rb', line 144

def each(gem_name = nil, &block)
  return enum_for(__callee__, gem_name) unless block_given?

  if gem_name
    @primary_db.reading do
      return unless vs = @primary_db["v/#{gem_name}"]
      vs.each do |version|
        if info = @primary_db["i/#{gem_name}/#{version}"]
          yield _gem(gem_name, version, info)
        end
      end
    end
  else
    gem_names = []
    @primary_db.each_key do |k|
      gem_names << $1 if k =~ /\Av\/(.*)\z/
    end

    gem_names.each do |n|
      each(n, &block)
    end
  end
end

#extension_path(name, version) ⇒ Object 



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# File 'lib/gel/store.rb', line 112

def extension_path(name, version)
  "#{@root}/ext/#{name}-#{version}"
end

#gem(name, version) ⇒ Object 



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# File 'lib/gel/store.rb', line 91

def gem(name, version)
  info = gem_info(name, version)
  info && _gem(name, version, info)
end

#gem?(name, version, _platform = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gel/store.rb', line 87

def gem?(name, version, _platform = nil)
  !!gem_info(name, version)
end

#gem_root(name, version) ⇒ Object 



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# File 'lib/gel/store.rb', line 108

def gem_root(name, version)
  "#{@root}/gems/#{name}-#{version}"
end

#gems(name_version_pairs) ⇒ Object 



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# File 'lib/gel/store.rb', line 96

def gems(name_version_pairs)
  result = {}

  name_version_pairs.each do |name, version|
    if info = gem_info(name, version)
      result[name] = _gem(name, version, info)
    end
  end

  result
end

#gems_for_lib(file) ⇒ Object 



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# File 'lib/gel/store.rb', line 129

def gems_for_lib(file)
  if h = @lib_db[file]
    h.each do |name, versions|
      versions.each do |version|
        if version.is_a?(Array)
          version, subdir = version
          yield gem(name, version), subdir
        else
          yield gem(name, version)
        end
      end
    end
  end
end

#inspect ⇒ Object 



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# File 'lib/gel/store.rb', line 168

def inspect
  content = each.map { |g| "#{g.name}-#{g.version}" }
  content = ["(none)"] if content.empty?
  content.sort!

  "#<#{self.class} root=#{@root.inspect} content=#{content.join(",")}>"
end

#libs_for_gems(versions) ⇒ Object 



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# File 'lib/gel/store.rb', line 119

def libs_for_gems(versions)
  @rlib_db.reading do
    versions.each do |name, version|
      if libs = @rlib_db["#{name}-#{version}"]
        yield name, version, libs
      end
    end
  end
end

#paths ⇒ Object 



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# File 'lib/gel/store.rb', line 22

def paths
  [@root.dup]
end

#prepare(versions) ⇒ Object 



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# File 'lib/gel/store.rb', line 116

def prepare(versions)
end

#stub_set ⇒ Object 



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# File 'lib/gel/store.rb', line 18

def stub_set
  @stub_set ||= Gel::StubSet.new(@root)
end