lib/synvert/cli.rb in synvert-0.5.3 vs lib/synvert/cli.rb in synvert-0.9.0

@@ -22,18 +22,27 @@
     # Run the CLI.
     # @param args [Array] arguments.
     # @return [Boolean] true if command runs successfully.
     def run(args)
       run_option_parser(args)
-      load_rewriters
 
       case @options[:command]
-      when 'list' then list_available_rewriters
-      when 'query' then query_available_rewriters
-      when 'show' then show_rewriter
-      when 'sync' then sync_snippets
+      when 'list'
+        load_rewriters
+        list_available_rewriters
+      when 'open'
+        open_rewriter
+      when 'query'
+        load_rewriters
+        query_available_rewriters
+      when 'show'
+        load_rewriters
+        show_rewriter
+      when 'sync'
+        sync_snippets
       else
+        load_rewriters
         @options[:snippet_names].each do |snippet_name|
           puts "===== #{snippet_name} started ====="
           group, name = snippet_name.split('/')
           rewriter = Core::Rewriter.call group, name
           rewriter.warnings.each do |warning|
@@ -54,11 +63,11 @@
     rescue Synvert::Core::RewriterNotFound => e
       puts e.message
       false
     end
 
-  private
+    private
 
     # Run OptionParser to parse arguments.
     def run_option_parser(args)
       optparse = OptionParser.new do |opts|
         opts.banner = "Usage: synvert [project_path]"
@@ -66,10 +75,14 @@
           @options[:custom_snippet_paths] = snippet_paths.split(',').map(&:strip)
         end
         opts.on '-l', '--list', 'list all available snippets' do
           @options[:command] = 'list'
         end
+        opts.on '-o', '--open SNIPPET_NAME', 'Open a snippet' do |snippet_name|
+          @options[:command] = 'open'
+          @options[:snippet_name] = snippet_name
+        end
         opts.on '-q', '--query QUERY', 'query specified snippets' do |query|
           @options[:command] = 'query'
           @options[:query] = query
         end
         opts.on '--skip FILE_PATTERNS', 'skip specified files or directories, separated by comma, e.g. app/models/post.rb,vendor/plugins/**/*.rb' do |file_patterns|
@@ -101,11 +114,10 @@
       end
     end
 
     # Load all rewriters.
     def load_rewriters
-      default_snippets_path = Core::Configuration.instance.get :default_snippets_path
       Dir.glob(File.join(default_snippets_path, 'lib/**/*.rb')).each { |file| eval(File.read(file)) }
 
       @options[:custom_snippet_paths].each do |snippet_path|
         if snippet_path =~ /^http/
           uri = URI.parse snippet_path
@@ -132,10 +144,23 @@
         end
         puts
       end
     end
 
+    # Open one rewriter.
+    def open_rewriter
+      editor = [ENV['SYNVERT_EDITOR'], ENV['EDITOR']].find { |e| !e.nil? && !e.empty? }
+      return puts "To open a synvert snippet, set $EDITOR or $SYNVERT_EDITOR" unless editor
+
+      path = File.expand_path(File.join(default_snippets_path, "lib/#{@options[:snippet_name]}.rb"))
+      if File.exist? path
+        system editor, path
+      else
+        puts "Can't run #{editor} #{path}"
+      end
+    end
+
     # Query and print available rewriters.
     def query_available_rewriters
       Core::Rewriter.availables.each do |group, rewriters|
         if group.include? @options[:query]
           puts group
@@ -177,8 +202,12 @@
       puts "synvert snippets are synced"
       core_version = Snippet.fetch_core_version
       if Gem::Version.new(core_version) > Gem::Version.new(Synvert::Core::VERSION)
         puts "synvert-core is updated, please install synvert-core #{core_version}"
       end
+    end
+
+    def default_snippets_path
+      Core::Configuration.instance.get :default_snippets_path
     end
   end
 end