Class: RubyXL::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/rubyXL/parser.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#data_only ⇒ Object (readonly)

Returns the value of attribute data_only.



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# File 'lib/rubyXL/parser.rb', line 9

def data_only
  @data_only
end

#num_sheets ⇒ Object (readonly)

Returns the value of attribute num_sheets.



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# File 'lib/rubyXL/parser.rb', line 9

def num_sheets
  @num_sheets
end

Class Method Details

.convert_to_index(cell_string) ⇒ Object

converts cell string (such as “AA1”) to matrix indices



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# File 'lib/rubyXL/parser.rb', line 12

def Parser.convert_to_index(cell_string)
  index = Array.new(2)
  index[0]=-1
  index[1]=-1
  if(cell_string =~ /^([A-Z]+)(\d+)$/)
    one = $1.to_s
    row = Integer($2) - 1 #-1 for 0 indexing
    col = 0
    i = 0
    one = one.reverse #because of 26^i calculation
    one.each_byte do |c|
      int_val = c - 64 #converts A to 1
      col += int_val * 26**(i)
      i=i+1
    end
    col -= 1 #zer0 index
    index[0] = row
    index[1] = col
  end
  return index
end

.parse(file_path, data_only = false) ⇒ Object

data_only allows only the sheet data to be parsed, so as to speed up parsing



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# File 'lib/rubyXL/parser.rb', line 36

def Parser.parse(file_path, data_only=false)
  @data_only = data_only
  files = Parser.decompress(file_path)
  wb = Parser.fill_workbook(file_path, files)

  if(files['sharedString'] != nil)
    wb.num_strings = Integer(files['sharedString'].css('sst').attribute('count').value())
    wb.size = Integer(files['sharedString'].css('sst').attribute('uniqueCount').value())

    files['sharedString'].css('si').each do |node|
      unless node.css('r').empty?
        text = node.css('r t').children.to_a.join
        node.children.remove
        node << "<t xml:space=\"preserve\">#{text}</t>"
      end
    end

    string_nodes = files['sharedString'].css('si t')
    wb.shared_strings = {}
    string_nodes.each_with_index do |node,i|
      string = node.children.to_s
      wb.shared_strings[i] = string
      wb.shared_strings[string] = i
    end
  end

  unless @data_only
    styles = files['styles'].css('cellXfs xf')
    style_hash = Hash.xml_node_to_hash(files['styles'].root)
    fill_styles(wb,style_hash)

    #will be nil if these files do not exist
    wb.external_links = files['externalLinks']
    wb.drawings = files['drawings']
    wb.printer_settings = files['printerSettings']
    wb.worksheet_rels = files['worksheetRels']
    wb.macros = files['vbaProject']
  end

  #for each worksheet:
  #1. find the dimensions of the data matrix
  #2. Fill in the matrix with data from worksheet/shared_string files
  #3. Apply styles
  wb.worksheets.each_index do |i|
    Parser.fill_worksheet(wb,i,files,wb.shared_strings)
  end

  return wb
end