Some small improvements

					 total        real
axlsx_noautowidth    1.650000 (  1.684738)
axlsx                4.470000 (  4.580439)
axlsx_shared         7.990000 (  8.151813)
axlsx_stream         4.420000 (  4.435809)
csv                  0.250000 (  0.259114)

1 files changed, 11 insertions, 7 deletions

diff --git a/lib/axlsx/workbook/shared_strings_table.rb b/lib/axlsx/workbook/shared_strings_table.rb
index 91892c38..2fffdd6b 100644
--- a/lib/axlsx/workbook/shared_strings_table.rb
+++ b/lib/axlsx/workbook/shared_strings_table.rb
@@ -3,7 +3,7 @@ module Axlsx
 
   # The Shared String Table class is responsible for managing and serializing common strings in a workbook.
   # While the ECMA-376 spec allows for both inline and shared strings it seems that at least some applications like iWorks Numbers
-  # and Google Docs require that the shared string table is populated in order to interoperate properly. 
+  # and Google Docs require that the shared string table is populated in order to interoperate properly.
   # As a developer, you should never need to directly work against this class. Simply set 'use_shared_strings'
   # on the package or workbook to generate a package that uses the shared strings table instead of inline strings.
   # @note Serialization performance is affected by using this serialization method so if you do not need interoperability
@@ -15,14 +15,14 @@ module Axlsx
     # @return [Integer]
     attr_reader :count
 
-    # The total number of unique strings in the workbook. 
+    # The total number of unique strings in the workbook.
     # @return [Integer]
     def unique_count
       @unique_cells.size
     end
 
     # An array of unique cells. Multiple attributes of the cell are used in comparison
-    # each of these unique cells is parsed into the shared string table.     
+    # each of these unique cells is parsed into the shared string table.
     # @see Cell#sharable
     attr_reader :unique_cells
 
@@ -35,10 +35,14 @@ module Axlsx
       resolve(cells)
     end
 
+    def to_xml_string
+      str = "<sst xmlns=\"%s\" count='%s' uniqueCount='%s'>%s</sst>" % [XML_NS, count, unique_count, @unique_cells.map {|cell| cell.run_xml_string}.join]
+    end
 
     # Generate the xml document for the Shared Strings Table
     # @return [String]
     def to_xml
+
       builder = Nokogiri::XML::Builder.new(:encoding => ENCODING) do |xml|
         xml.sst(:xmlns => Axlsx::XML_NS, :count => count, :uniqueCount => unique_count) {
           @unique_cells.each do |cell|
@@ -50,9 +54,9 @@ module Axlsx
     end
 
     private
-    
-    # Interate over all of the cells in the array. 
-    # if our unique cells array does not contain a sharable cell, 
+
+    # Interate over all of the cells in the array.
+    # if our unique cells array does not contain a sharable cell,
     # add the cell to our unique cells array and set the ssti attribute on the index of this cell in the shared strings table
     # if a sharable cell already exists in our unique_cells array, set the ssti attribute of the cell and move on.
     # @return [Array] unique cells
@@ -66,6 +70,6 @@ module Axlsx
           cell.send :ssti=, index
         end
       end
-    end    
+    end
   end
 end