lib/yard/cli/gems.rb in yard-0.6.1 vs lib/yard/cli/gems.rb in yard-0.6.2

@@ -13,12 +13,12 @@
       # YARD indexes for gems.
       # 
       # @param [Array<String>] args the list of arguments
       # @return [void] 
       def run(*args)
+        require 'rubygems'
         optparse(*args)
-        @gems += Gem.source_index.find_name('') if @gems.empty?
         build_gems
       end
       
       private
       
@@ -42,13 +42,18 @@
           end
         end
       end
       
       def add_gems(gems)
-        gems.each_slice(2) do |gem, ver_require|
-          specs = Gem.source_index.find_name(gem, ver_require || ">= 0")
-          @gems += specs unless specs.empty?
+        0.step(gems.size - 1, 2) do |index|
+          gem, ver_require = gems[index], gems[index + 1] || ">= 0"
+          specs = Gem.source_index.find_name(gem, ver_require)
+          if specs.empty?
+            log.warn "#{gem} #{ver_require} could not be found in RubyGems index"
+          else
+            @gems += specs
+          end
         end
       end
       
       # Parses options
       def optparse(*args)
@@ -59,16 +64,20 @@
         opts.separator "all gems are built."
         opts.separator ""
         opts.on('--rebuild', 'Rebuilds index') do
           @rebuild = true
         end
-        opts.on('--legacy', 'Use old style parser and handlers. Unavailable under Ruby 1.8.x') do
-          YARD::Parser::SourceParser.parser_type = :ruby18
-        end
         
         common_options(opts)
         parse_options(opts, args)
         add_gems(args)
+        
+        
+        if !args.empty? && @gems.empty?
+          log.error "No specified gems could be found for command"
+        elsif @gems.empty?
+          @gems += Gem.source_index.find_name('') if @gems.empty?
+        end
       end
     end
   end
 end
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