Class: PolyrexObjects::PolyrexObject

Inherits:
Object
  • Object
show all
Defined in:
lib/polyrex-objects.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(node, id: '0', debug: false) ⇒ PolyrexObject

Returns a new instance of PolyrexObject.



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# File 'lib/polyrex-objects.rb', line 16

def initialize(node, id: '0', debug: false)

  @id = id
  @fields =[]
  @node, @debug = node, debug

  if node then
    
    e = node.element('summary')
    @schema = e.text('schema')
    @child_schema = @schema =~ /\// ? @schema[/(?<=\/).*/] : @schema
    puts '@child_schema:' + @child_schema.inspect if @debug
    @record = @schema[/^[^\[]+/]
    @fields = @schema[/(?<=\[)[^\]]+/].split(/ *, */)
    
    attr = @fields.map {|x| [x, e.text(x)] }
    build_attributes attr

    define_singleton_method(@record.to_sym) { self.records}
    
  end

end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/polyrex-objects.rb', line 14

def id
  @id
end

#node ⇒ Object (readonly)

Returns the value of attribute node.



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# File 'lib/polyrex-objects.rb', line 14

def node
  @node
end

Instance Method Details

#[](n) ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 102

def [](n)
  self.records[n]
end

#add(pxobj) ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 40

def add(pxobj)
  @node.element('records').add pxobj.node
end

#at_css(s) ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 45

def at_css(s)
  @node.at_css s
end

#attributes ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 49

def attributes()
  @node.attributes
end

#clone ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 53

def clone()
  self.class.new Rexle.new(self.node.to_a).root
end

#count ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 57

def count()
  self.records.length
end

#create(id: @id) ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 61

def create(id: @id)      

  PolyrexCreateObject.new(id: id, record: @node)
end

#css(s) ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 66

def css(s)
  @node.css s
end

#deep_clone ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 74

def deep_clone()
  self.class.new Rexle.new(self.to_xml).root
end

#delete ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 70

def delete()
  @node.delete
end

#each_recursive(parent = self, level = 0, &blk) ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 78

def each_recursive(parent=self, level=0, &blk)
  
  parent.records.each.with_index do |x, index|

    blk.call(x, parent, level, index) if block_given?

    each_recursive(x, level+1, &blk) if x.records.any?
    
  end
  
end

#element(xpath) ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 90

def element(xpath)
  @node.element(xpath)
end

#inspect ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 98

def inspect()
  "#<%s:%s" % [self.class.name, __id__]
end

#parent ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 106

def parent()

  parent_node = self.node.parent.parent

  Kernel.const_get(parent_node.name.capitalize)\
    .new(parent_node, id: parent_node.attributes[:id])

end

#parent? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/polyrex-objects.rb', line 115

def parent?()
  
  # if the node is at the 1st level of records it will not have a 
  # PolyrexObject parent
  
  node.parent.parent.parent.parent ? true : false
end

#records ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 123

def records()

  @node.xpath('records/*').map do |node|
    Kernel.const_get(node.name.capitalize).new node
  end

end

#to_doc ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 131

def to_doc()
  Rexle.new @node.to_a
end

#to_dynarex ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 135

def to_dynarex()

  root = Rexle.new(self.to_xml).root

  summary = root.element('summary')
  e = summary.element('schema')
  child_schema = root.element('records/*/summary/schema/text()')\
                                        .sub('[','(').sub(']',')')
  e.text = "%s/%s" % [e.text, child_schema]
  summary.delete('format_mask')
  summary.delete('recordx_type')

  summary.add root.element('records/*/summary/format_mask').clone

  root.xpath('records/*/summary/format_mask').each(&:delete)

xsl_buffer =<<EOF
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output encoding="UTF-8"
      indent="yes"
      omit-xml-declaration="yes"/>

<xsl:template match="*">
  <xsl:element name="{name()}">
  <xsl:element name="summary">
<xsl:for-each select="summary/*">
  <xsl:copy-of select="."/>
</xsl:for-each>
  </xsl:element>
  <xsl:element name="records">
<xsl:for-each select="records/*">
  <xsl:element name="{name()}">
    <xsl:copy-of select="summary/*"/>
  </xsl:element>
</xsl:for-each>
  </xsl:element>
  </xsl:element>
</xsl:template>
</xsl:stylesheet>
EOF


  begin
    rexslt = Rexslt.new(xsl_buffer, root.xml)
    buffer = rexslt.to_s
  rescue
    puts ($!).inspect
    exit
  end

  r = Dynarex.new buffer
  r

end

#to_h ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 190

def to_h()
  @fields.inject({}) do |r, field|
    r.merge(field=> self.method(field).call)
  end
end

#to_s ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 196

def to_s()
  
  if self.respond_to? :records then
    
    build(self.records).join("\n")
    
  else

    summary = self.element 'summary'
    format_mask = summary.text('format_mask').to_s
    format_mask.gsub(/\[![^\]]+\]/){|x| summary.text(x[2..-2]).to_s}
    
  end
  
end

#to_xml(options = {}) ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 212

def to_xml(options={})
  @node.xml(options)
end

#with {|_self| ... } ⇒ Object

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/polyrex-objects.rb', line 216

def with()
  yield(self)
end

#xpath(s) ⇒ Object 



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# File 'lib/polyrex-objects.rb', line 220

def xpath(s)
  @node.xpath(s)
end