Reorganizing files, cleaning up.

lib/qwandry.rb

@@ -14,73 +14,23 @@ require 'optparse'
 # If no Repository matches, then qwandry will exit with a 404 (repo not found)
 #
 module Qwandry
-
-  class Repository
-    attr_reader :name
-    
-    def initialize(name, path)
-      @name = name
-      @path = path.chomp('/')
-    end
-  
-    def scan(name)
-      []
-    end
-    
-    def package(name, paths)
-      Package.new(name, paths, self)
-    end
-  end
-
-  # Directories look like:
-  #     Repository
-  #       lib-0.1
-  #       lib-0.2
-  class FlatRepository < Repository
-    def scan(name)
-      results = []
-      Dir["#{@path}/*"].select do |path|
-        if File.basename(path).start_with?(name)
-          results << package(File.basename(path), [path])
-        end
-      end
-      
-      results
-    end
-  end
-  
-  
-  class Package
-    attr_reader :name
-    attr_reader :repository
-    attr_reader :paths
-    
-    def initialize(name, paths, repository)
-      @name = name
-      @repository = repository
-      @paths = paths
-    end
-  end
-  
-  def launch(package, editor=nil)
-    editor ||= ENV['VISUAL'] || ENV['EDITOR']
-    system editor, *package.paths
-  end
-  module_function :launch
-  
+  autoload :Launcher,       "qwandry/launcher"
+  autoload :Repository,     "qwandry/repository"
+  autoload :FlatRepository, "qwandry/flat_repository"
+  autoload :Package,        "qwandry/package"
 end
 
 if __FILE__ == $0
-  load('repositories.rb')
+  @qwandry = Qwandry::Launcher.new
   load('~/.qwandry/repositories.rb') if File.exists?('~/.qwandry/repositories.rb')
   
   opts = OptionParser.new do |opts|    
     opts.banner = "Usage: qwandry [options] name [version]"
     opts.separator ""
     
-    opts.separator "Known Repositories: #{@repositories.keys.join(", ")}"
+    opts.separator "Known Repositories: #{@qwandry.repositories.keys.join(", ")}"
     opts.on("-e", "--editor EDITOR", "Use EDITOR to open the package") do |editor|
-      @editor = editor
+      @qwandry.editor = editor
     end
     
     opts.on_tail("-h", "--help", "Show this message") do
@@ -97,13 +47,7 @@ if __FILE__ == $0
   end
   
   name = ARGV.pop
-  packages = []
-
-  @repositories.each do |set, repos|
-    repos.each do |repo|
-      packages.concat(repo.scan(name))
-    end
-  end
+  packages = @qwandry.find(name)
 
   package = nil
   case packages.length
@@ -122,5 +66,5 @@ if __FILE__ == $0
     package = packages[index]
   end
   
-  Qwandry.launch(package, @editor) if package
+  @qwandry.launch(package) if package
 end

lib/qwandry/flat_repository.rb

@@ -0,0 +1,18 @@
+module Qwandry
+  # Directories look like:
+  #     Repository
+  #       lib-0.1
+  #       lib-0.2
+  class FlatRepository < Qwandry::Repository
+    def scan(name)
+      results = []
+      Dir["#{@path}/*"].select do |path|
+        if File.basename(path).start_with?(name)
+          results << package(File.basename(path), [path])
+        end
+      end
+    
+      results
+    end
+  end
+end

lib/qwandry/launcher.rb

@@ -0,0 +1,61 @@
+# Launcher is the core Qwandry class, it coordinates finding and launching
+# a package.  It is driven externaly by a UI.
+module Qwandry 
+  class Launcher
+    # The default editor to be used by Qwandry#launch.
+    attr_accessor :editor 
+  
+    # Returns the repositories the Launcher will use.
+    attr_reader :repositories
+  
+    def initialize
+      @repositories = Hash.new{|h,k| h[k] = []}
+      add_ruby_repositories
+      add_gem_repositories
+    end
+  
+    # Adds a repository path to Qwandry's Launcher.
+    # `label` is used to label packages residing in the folder `path`.
+    # The `repository_type` controls the class used to index the `path`.
+    def add(label, path, repository_type=Qwandry::FlatRepository)
+      label = label.to_s
+      @repositories[label] << repository_type.new(label, path)
+    end
+  
+    # Searches all of the loaded repositories for `name`
+    def find(name)
+      packages = []
+      @repositories.each do |label, repos|
+        repos.each do |repo|
+          packages.concat(repo.scan(name))
+        end
+      end
+      packages
+    end
+  
+    # Launches a `package`, unless set, `editor` will check against the environment.
+    def launch(package, editor=nil)
+      editor ||= @editor || ENV['VISUAL'] || ENV['EDITOR']
+      system editor, *package.paths
+    end
+  
+    private
+    # Add ruby standard libraries, ignore the platform specific ones since they
+    # tend to contain only binaries
+    def add_ruby_repositories
+      ($:).grep(/lib\/ruby/).reject{|path| path =~ /#{RUBY_PLATFORM}$/}.each do |path|
+        add :ruby, path
+      end
+    end
+  
+    # Add gem repositories:
+    # Using the ruby load paths, determine the common gem root paths, and add those.
+    # This assumes gem paths look like:
+    def add_gem_repositories
+      ($:).grep(/gems/).map{|p| p[/.+\/gems\//]}.uniq.each do |path|
+        add :gem, path
+      end
+    
+    end
+  end
+end

lib/qwandry/package.rb

@@ -0,0 +1,13 @@
+module Qwandry
+  class Package
+    attr_reader :name
+    attr_reader :repository
+    attr_reader :paths
+  
+    def initialize(name, paths, repository)
+      @name = name
+      @repository = repository
+      @paths = paths
+    end
+  end
+end

lib/qwandry/repository.rb

@@ -0,0 +1,18 @@
+module Qwandry
+  class Repository
+    attr_reader :name
+  
+    def initialize(name, path)
+      @name = name
+      @path = path.chomp('/')
+    end
+
+    def scan(name)
+      []
+    end
+  
+    def package(name, paths)
+      Package.new(name, paths, self)
+    end
+  end
+end

repositories.rb

@@ -1,19 +0,0 @@
-@repositories = Hash.new{|h,k| h[k] = []}
-
-def add(label, path, repository_type=Qwandry::FlatRepository)
-  label = label.to_s
-  @repositories[label] << repository_type.new(label, path)
-end
-
-# Add gem repositories:
-# Using the ruby load paths, determine the common gem root paths, and add those.
-# This assumes gem paths look like:
-($:).grep(/gems/).map{|p| p[/.+\/gems\//]}.uniq.each do |path|
-  add :gem, path
-end
-
-# Add ruby standard libraries, ignore the platform specific ones since they
-# tend to contain only binaries
-($:).grep(/lib\/ruby/).reject{|path| path =~ /#{RUBY_PLATFORM}$/}.each do |path|
-  add :ruby, path
-end