Module: Rspreadsheet::Tools

Defined in:
lib/rspreadsheet/tools.rb

Overview

this module contains methods used bz several objects

Class Method Summary collapse

Class Method Details

.convert_cell_address(*coords) ⇒ Object

converts cell adress like ‘F12’ to pair od integers [row,col]



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# File 'lib/rspreadsheet/tools.rb', line 6

def self.convert_cell_address(*coords)
  if coords.length == 1
    coords[0].match(/^([A-Z]{1,3})(\d{1,8})$/)
    colname = $~[1]
    rowname = $~[2]
  elsif coords.length == 2
    colname = coords[0]
    rowname = coords[1]
  else
    raise 'Wrong number of arguments'
  end
    
  colname=colname.rjust(3,'@')
  col = (colname[-1].ord-64)+(colname[-2].ord-64)*26+(colname[-3].ord-64)*26*26
  row = rowname.to_i
  return [row,col]
end

.get_namespace(prefix) ⇒ Object 



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# File 'lib/rspreadsheet/tools.rb', line 23

def self.get_namespace(prefix)
  ns_array = {
    'office'=>"urn:oasis:names:tc:opendocument:xmlns:office:1.0",
    'style'=>"urn:oasis:names:tc:opendocument:xmlns:style:1.0",
    'text'=>"urn:oasis:names:tc:opendocument:xmlns:text:1.0",
    'table'=>"urn:oasis:names:tc:opendocument:xmlns:table:1.0",
    'draw'=>"urn:oasis:names:tc:opendocument:xmlns:drawing:1.0",
    'fo'=>"urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0",
    'xlink'=>"http://www.w3.org/1999/xlink",
    'dc'=>"http://purl.org/dc/elements/1.1/",
    'meta'=>"urn:oasis:names:tc:opendocument:xmlns:meta:1.0",
    'number'=>"urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0",
    'presentation'=>"urn:oasis:names:tc:opendocument:xmlns:presentation:1.0",
    'svg'=>"urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0",
    'chart'=>"urn:oasis:names:tc:opendocument:xmlns:chart:1.0",
    'dr3d'=>"urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0",
    'math'=>"http://www.w3.org/1998/Math/MathML",
    'form'=>"urn:oasis:names:tc:opendocument:xmlns:form:1.0",
    'script'=>"urn:oasis:names:tc:opendocument:xmlns:script:1.0",
    'ooo'=>"http://openoffice.org/2004/office",
    'ooow'=>"http://openoffice.org/2004/writer",
    'oooc'=>"http://openoffice.org/2004/calc",
    'dom'=>"http://www.w3.org/2001/xml-events",
    'xforms'=>"http://www.w3.org/2002/xforms",
    'xsd'=>"http://www.w3.org/2001/XMLSchema",
    'xsi'=>"http://www.w3.org/2001/XMLSchema-instance",
    'rpt'=>"http://openoffice.org/2005/report",
    'of'=>"urn:oasis:names:tc:opendocument:xmlns:of:1.2",
    'xhtml'=>"http://www.w3.org/1999/xhtml",
    'grddl'=>"http://www.w3.org/2003/g/data-view#",
    'tableooo'=>"http://openoffice.org/2009/table",
    'drawooo'=>"http://openoffice.org/2010/draw",
    'calcext'=>"urn:org:documentfoundation:names:experimental:calc:xmlns:calcext:1.0",
    'loext'=>"urn:org:documentfoundation:names:experimental:office:xmlns:loext:1.0",
    'field'=>"urn:openoffice:names:experimental:ooo-ms-interop:xmlns:field:1.0",
    'formx'=>"urn:openoffice:names:experimental:ooxml-odf-interop:xmlns:form:1.0",
    'css3t'=>"http://www.w3.org/TR/css3-text/"
  }
  if @pomnode.nil?
    @pomnode = LibXML::XML::Node.new('xxx')
  end
  if @ns.nil? then @ns={} end
  if @ns[prefix].nil?
    @ns[prefix] = LibXML::XML::Namespace.new(@pomnode, prefix, ns_array[prefix])
  end
  return @ns[prefix]
end

.get_ns_attribute(node, ns_prefix, key) ⇒ Object 



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# File 'lib/rspreadsheet/tools.rb', line 87

def self.get_ns_attribute(node,ns_prefix,key)
  node.attributes.get_attribute_ns(Tools.get_namespace(ns_prefix).href,key)
end

.get_ns_attribute_value(node, ns_prefix, key) ⇒ Object 



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# File 'lib/rspreadsheet/tools.rb', line 90

def self.get_ns_attribute_value(node,ns_prefix,key)
  Tools.get_ns_attribute(node,ns_prefix,key).andand.value
end

.remove_ns_attribute(node, ns_prefix, key) ⇒ Object 



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# File 'lib/rspreadsheet/tools.rb', line 93

def self.remove_ns_attribute(node,ns_prefix,key)
  node.attributes.get_attribute_ns(Tools.get_namespace(ns_prefix).href,key)
  attr.remove! unless attr.nil? 
end

.set_ns_attribute(node, ns_prefix, key, value, delete_value = nil) ⇒ Object

sets namespaced attribute “ns_prefix:key” in node to value. if value == delete_value then remove the attribute



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# File 'lib/rspreadsheet/tools.rb', line 71

def self.set_ns_attribute(node,ns_prefix,key,value,delete_value=nil)
  ns = Tools.get_namespace(ns_prefix)
  attr = node.attributes.get_attribute_ns(ns.href, key)
  
  unless value==delete_value # set attribute
    if attr.nil? # create attribute if needed
      attr = LibXML::XML::Attr.new(node, key,'temporarilyempty')
      attr.namespaces.namespace = ns
    end
    attr.value = value.to_s
    attr
  else # remove attribute
    attr.remove! unless attr.nil? 
    nil
  end
end