Merge pull request prawnpdf#706 from prawnpdf/trailing-whitespace

Trailing whitespace

.rubocop.yml

@@ -29,8 +29,6 @@ AlignHash:
   Enabled: false
 LineLength:
   Enabled: false
-TrailingWhitespace:
-  Enabled: false
 SpaceBeforeBlockBraces:
   Enabled: false
 AlignParameters:

bench/afm_text_bench.rb

@@ -1,20 +1,20 @@
 # encoding: utf-8
 
 $LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
-require "prawn"        
-require "benchmark"    
+require "prawn"
+require "benchmark"
 
 N=2000
-  
-Benchmark.bmbm do |x|         
+
+Benchmark.bmbm do |x|
   x.report("AFM text") do
-    Prawn::Document.new {  
-      N.times do                                     
+    Prawn::Document.new {
+      N.times do
         (1..5).each do |i|
           draw_text "Hello Prawn", :at => [200, i * 100]
-        end 
-        start_new_page     
-      end  
-    }.render             
-  end   
+        end
+        start_new_page
+      end
+    }.render
+  end
 end

bench/png_type_6.rb

@@ -1,17 +1,17 @@
 # encoding: utf-8
 
-$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib')) 
-require "prawn"        
-require "benchmark"   
+$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+require "prawn"
+require "benchmark"
 
 N=100
-     
-Benchmark.bmbm do |x|         
-  x.report("PNG Type 6") do     
+
+Benchmark.bmbm do |x|
+  x.report("PNG Type 6") do
     N.times do
-      Prawn::Document.new do 
+      Prawn::Document.new do
         image "#{Prawn::DATADIR}/images/dice.png"
       end.render_file("dice.pdf")
-    end         
-  end   
-end   
+    end
+  end
+end

bench/table_bench.rb

@@ -1,8 +1,8 @@
 # encoding: utf-8
 
-$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib')) 
-require "prawn"        
-require "benchmark"    
+$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+require "prawn"
+require "benchmark"
 
 # Helpers for benchmark
 

bench/ttf_text_bench.rb

@@ -1,21 +1,21 @@
 # encoding: utf-8
 
-$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib')) 
-require "prawn"        
-require "benchmark"    
+$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+require "prawn"
+require "benchmark"
 
 N=2000
-  
-Benchmark.bmbm do |x|         
+
+Benchmark.bmbm do |x|
   x.report("TTF text") do
-    Prawn::Document.new {  
-       font "#{Prawn::DATADIR}/fonts/DejaVuSans.ttf"     
-       N.times do                                     
+    Prawn::Document.new {
+       font "#{Prawn::DATADIR}/fonts/DejaVuSans.ttf"
+       N.times do
          (1..5).each do |i|
            draw_text "Hello Prawn", :at => [200, i * 100]
-         end 
-         start_new_page     
-       end  
-    }.render             
-  end   
+         end
+         start_new_page
+       end
+    }.render
+  end
 end

lib/prawn.rb

@@ -22,7 +22,7 @@ module Prawn
   #
   BASEDIR = File.expand_path(File.join(dir, '..'))
   DATADIR = File.expand_path(File.join(dir, '..', 'data'))
-  
+
   FLOAT_PRECISION = 1.0e-9
 
   # Whe set to true, Prawn will verify hash options to ensure only valid keys

lib/prawn/document.rb

@@ -97,7 +97,7 @@ def self.extensions
     end
 
     # @private
-    def self.inherited(base) 
+    def self.inherited(base)
       extensions.each { |e| base.extensions << e }
     end
 
@@ -587,7 +587,7 @@ def compression_enabled?
     #
     # @private
     def group(*a, &b)
-      raise NotImplementedError, 
+      raise NotImplementedError,
         "Document#group has been disabled because its implementation "+
         "lead to corrupted documents whenever a page boundary was "+
         "crossed. We will try to work on reimplementing it in a "+
@@ -596,7 +596,7 @@ def group(*a, &b)
 
     # @private
     def transaction
-      raise NotImplementedError, 
+      raise NotImplementedError,
         "Document#transaction has been disabled because its implementation "+
         "lead to corrupted documents whenever a page boundary was "+
         "crossed. We will try to work on reimplementing it in a "+
@@ -629,8 +629,8 @@ def page_match?(page_filter, page_number)
     end
 
     # @private
-   
-    def mask(*fields) 
+
+    def mask(*fields)
      # Stores the current state of the named attributes, executes the block, and
      # then restores the original values after the block has executed.
      # -- I will remove the nodoc if/when this feature is a little less hacky
@@ -696,7 +696,7 @@ def generate_margin_box
 
       # we must update bounding box if not flowing from the previous page
       #
-      @bounding_box = @margin_box unless @bounding_box && @bounding_box.parent    
+      @bounding_box = @margin_box unless @bounding_box && @bounding_box.parent
     end
 
     def apply_margin_options(options)

lib/prawn/document/bounding_box.rb

@@ -199,7 +199,7 @@ def init_bounding_box(user_block, options={}, &init_block)
       # If the user actions did not modify the y position
       # restore the original y position before the bounding
       # box was created.
-      
+
       if y == @bounding_box.absolute_top
         self.y = original_ypos
       end

lib/prawn/document/column_box.rb

@@ -20,12 +20,12 @@ class Document
     #
     # column_box accepts the same parameters as bounding_box, as well as the
     # number of :columns and a :spacer (in points) between columns. If resetting
-    # the top margin is desired on a new page (e.g. to allow for initial page 
+    # the top margin is desired on a new page (e.g. to allow for initial page
     # wide column titles) the option :reflow_margins => true can be set.
     #
-    # Defaults are :columns = 3, :spacer = font_size, and 
+    # Defaults are :columns = 3, :spacer = font_size, and
     # :reflow_margins => false
-    # 
+    #
     # Under PDF::Writer, "spacer" was known as "gutter"
     #
     def column_box(*args, &block)

lib/prawn/document/internals.rb

@@ -15,7 +15,7 @@ class Document
     # are you won't need anything you find here.
     #
     # @private
-    module Internals 
+    module Internals
       # Creates a new Prawn::Reference and adds it to the Document's object
       # list.  The +data+ argument is anything that Prawn::PdfObject() can convert.
       #

lib/prawn/font/afm.rb

@@ -157,7 +157,7 @@ def find_font(file)
       end
 
       def parse_afm(file_name)
-        data    = {:glyph_widths => {}, :bounding_boxes => {}, :kern_pairs => {}, :attributes => {}}         
+        data    = {:glyph_widths => {}, :bounding_boxes => {}, :kern_pairs => {}, :attributes => {}}
         section = []
 
         File.foreach(file_name) do |line|
@@ -187,7 +187,7 @@ def parse_afm(file_name)
             parse_generic_afm_attribute(line, data)
           end
         end
-        
+
         # process data parsed from AFM file to build tables which
         #   will be used when measuring and kerning text
         data[:glyph_table] = (0..255).map do |i|
@@ -234,9 +234,9 @@ def kern(string)
           e.respond_to?(:force_encoding) ? e.force_encoding(::Encoding::Windows_1252) : e
         }
       end
-      
+
       private
-      
+
       def unscaled_width_of(string)
         string.bytes.inject(0) do |s,r|
           s + @glyph_table[r]

lib/prawn/font_metric_cache.rb

@@ -13,7 +13,7 @@ module Prawn
   # of various strings for layout purposes.
   #
   # @private
-  class FontMetricCache 
+  class FontMetricCache
 
     CacheEntry = Struct.new( :font, :options, :string )
 

lib/prawn/grid.rb

@@ -16,7 +16,7 @@ class Document
     #
     # Note that a completely new grid object is built each time define_grid()
     # is called. This means that all subsequent calls to grid() will use
-    # the newly defined Grid object -- grids are not nestable like 
+    # the newly defined Grid object -- grids are not nestable like
     # bounding boxes are.
 
     def define_grid(options = {})

lib/prawn/image_handler.rb

@@ -8,7 +8,7 @@
 
 module Prawn
   # @group Extension API
-  
+
   def self.image_handler
     @image_handler ||= ImageHandler.new
   end

lib/prawn/images/jpg.rb

@@ -16,7 +16,7 @@ module Images
     #
     class JPG < Image
       # @group Extension API
-      
+
       attr_reader :width, :height, :bits, :channels
       attr_accessor :scaled_width, :scaled_height
 

lib/prawn/measurement_extensions.rb

@@ -15,7 +15,7 @@ class Numeric
   # 72 points per inch
 
   # @group Experimental API
-  
+
   def mm
     return mm2pt(self)
   end

lib/prawn/outline.rb

@@ -3,7 +3,7 @@
 module Prawn
   class Document
     # @group Stable API
-    
+
     # Lazily instantiates a Prawn::Outline object for document. This is used as point of entry
     # to methods to build the outline tree for a document's table of contents.
     def outline

lib/prawn/security.rb

@@ -213,7 +213,7 @@ module Core
     # from the indirect object referencing obj.
     #
     # @private
-    def EncryptedPdfObject(obj, key, id, gen, in_content_stream=false) 
+    def EncryptedPdfObject(obj, key, id, gen, in_content_stream=false)
       case obj
       when Array
         "[" << obj.map { |e|

lib/prawn/security/arcfour.rb

@@ -19,7 +19,7 @@ def initialize(key)
     # 1. Allocate an 256 element array of 8 bit bytes to be used as an S-box
     # 2. Initialize the S-box.  Fill each entry first with it's index
     @sbox = (0..255).to_a
-    
+
     # 3. Fill another array of the same size (256) with the key, repeating
     #    bytes as necessary.
     s2 = []
@@ -41,7 +41,7 @@ def initialize(key)
   def encrypt(string)
     string.unpack('c*').map{|byte| byte ^ key_byte}.pack('c*')
   end
-  
+
   private
 
   # Produces the next byte of key material in the stream (3.2 Stream Generation)

lib/prawn/table/cell.rb

@@ -153,7 +153,7 @@ def max_width
       # this span group. They know their own width / height, but do not draw
       # anything.
       #
-      attr_reader :dummy_cells 
+      attr_reader :dummy_cells
 
       # Instantiates a Cell based on the given options. The particular class of
       # cell returned depends on the :content argument. See the Prawn::Table

lib/prawn/table/cells.rb

@@ -256,7 +256,7 @@ def aggregate_cell_values(row_or_column, meth, aggregate)
             #calculate future return value
             new_sum = cell.send(meth) * cell.colspan
 
-            #due to float rounding errors we need to ignore a small difference in the new 
+            #due to float rounding errors we need to ignore a small difference in the new
             #and the old sum the same had to be done in
             #the column_width_calculator#natural_width
             spanned_width_needs_fixing = ((new_sum - old_sum) > Prawn::FLOAT_PRECISION)

lib/prawn/table/column_width_calculator.rb

@@ -3,7 +3,7 @@
 module Prawn
   class Table
     # @private
-    class ColumnWidthCalculator 
+    class ColumnWidthCalculator
       def initialize(cells)
         @cells = cells
 
@@ -19,7 +19,7 @@ def natural_widths
         #calculate natural column width for all rows that do not include a span dummy
         @cells.each do |cell|
           unless @rows_with_a_span_dummy[cell.row]
-            @widths_by_column[cell.column] = 
+            @widths_by_column[cell.column] =
               [@widths_by_column[cell.column], cell.width.to_f].max
           end
         end
@@ -31,20 +31,20 @@ def natural_widths
           next if cell.is_a?(Cell::SpanDummy)
 
           if cell.colspan == 1
-            @widths_by_column[cell.column] = 
+            @widths_by_column[cell.column] =
               [@widths_by_column[cell.column], cell.width.to_f].max
           else
             #calculate the current with of all cells that will be spanned by the current cell
-            current_width_of_spanned_cells = 
+            current_width_of_spanned_cells =
               @widths_by_column.to_a[cell.column..(cell.column + cell.colspan - 1)]
                                .collect{|key, value| value}.inject(0, :+)
 
             #update the Hash only if the new with is at least equal to the old one
             #due to arithmetic errors we need to ignore a small difference in the new and the old sum
             #the same had to be done in the column_widht_calculator#natural_width
-            update_hash = ((cell.width.to_f - current_width_of_spanned_cells) > 
+            update_hash = ((cell.width.to_f - current_width_of_spanned_cells) >
                            Prawn::FLOAT_PRECISION)
-            
+
             if update_hash
               # Split the width of colspanned cells evenly by columns
               width_per_column = cell.width.to_f / cell.colspan

lib/prawn/text.rb

@@ -27,7 +27,7 @@ module Text
     Prawn::Text::SHY = "­"
 
     # @group Stable API
-    
+
     # If you want text to flow onto a new page or between columns, this is the
     # method to use. If, instead, if you want to place bounded text outside of
     # the flow of a document (for captions, labels, charts, etc.), use Text::Box

lib/prawn/text/formatted/arranger.rb

@@ -12,7 +12,7 @@ module Text
     module Formatted #:nodoc:
 
       # @private
-      
+
       class Arranger #:nodoc:
         attr_reader :max_line_height
         attr_reader :max_descender