Module: HQ::Engine::LibXmlRubyMixin

Included in:
Engine, Transformer
Defined in:
lib/hq/engine/libxmlruby-mixin.rb

Instance Method Summary collapse

Instance Method Details

#field_to_json(schemas, schema_elem, fields_elem, elem, value) ⇒ Object 



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# File 'lib/hq/engine/libxmlruby-mixin.rb', line 74

def field_to_json schemas, schema_elem, fields_elem, elem, value

  fields_elem.find(
    "* [name() != 'option']
  ").each do
    |field_elem|

    field_name =
      field_elem["name"]

    case field_elem.name

      when "text"

        value[field_name] =
          elem[field_name]

      when "int", "ts-update"

        temp = elem.attributes[field_name]

        value[field_name] = temp.empty? ? nil : temp.to_i

      when "list"

        value[field_name] = []

        elem.find("* [ name () = #{xp field_name} ]") \
          .each do |child_elem|

          prop = {}

          field_to_json \
            schemas,
            schema_elem,
            field_elem,
            child_elem,
            prop

          value[field_name] << prop
        end

      when "struct"

        prop = {}

        child_elem =
          elem.find_first \
            "* [ name () = #{xp field_name} ]"

        if child_elem
          field_to_json \
            schemas,
            schema_elem,
            field_elem,
            child_elem,
            prop
        end

        value[field_name] = prop unless prop.empty?

      when "xml"

        value[field_name] = ""

        elem.find("* [ name () = #{xp field_name} ] / *") \
          .each do |prop|

          value[field_name] += prop.to_s
        end

      when "bool"

        value[field_name] = \
          elem.attributes[field_name] == "yes"

      when "bigtext"

        value[field_name] =
          elem.find_first("* [ name () = #{xp field_name} ]") \
            .content

      else

        raise "unexpected element #{field_elem.name} found in " \
          "field list for schema " \
          "#{schema_elem.attributes["name"]}"

    end
  end

  content = []

  elem.find("*").each do |child_elem|

    option_elem =
      fields_elem.find_first \
        "option [ @name = #{xp child_elem.name} ]"

    next unless option_elem

    option_ref =
      option_elem.attributes["ref"]

    schema_option_elem =
      schemas["schema-opion/#{option_ref}"]

    raise "Error" \
      unless schema_option_elem

    schema_option_props_elem =
      schema_option_elem.find_first "props"

    prop = {}

    field_to_json \
      schemas,
      schema_elem,
      schema_option_props_elem,
      child_elem,
      prop

    content << {
      "type" => child_elem.name,
      "value" => prop,
    }

  end

  value["content"] = content \
    unless content.empty?

end

#field_to_xml(schemas, fields_elem, value, elem) ⇒ Object 



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# File 'lib/hq/engine/libxmlruby-mixin.rb', line 253

def field_to_xml schemas, fields_elem, value, elem

  unless value.is_a? Hash
    value = {}
  end

  fields_elem.find("
    * [name() != 'option']
  ").each do
    |field_elem|

    field_name =
      field_elem["name"]

    case field_elem.name

    when "text", "int", "ts-update", "enum"
      elem[field_name] = value[field_name].to_s

    when "bigtext"
      prop = XML::Node.new field_name
      prop << value[field_name]
      elem << prop

    when "bool"
      elem[field_name] = "yes" if value[field_name]

    when "list"

      items = value[field_name]

      if items.is_a? Array

        items.each do
          |item|

          prop =
            XML::Node.new field_name

          field_to_xml \
            schemas,
            field_elem,
            item,
            prop

          elem << prop

        end

      end

    when "struct"

      prop =
        XML::Node.new field_name

      field_to_xml \
        schemas,
        field_elem,
        value[field_name],
        prop

      if prop.attributes.length + prop.children.size > 0
        elem << prop
      end

    when "xml"

      prop =
        XML::Node.new field_name

      temp_doc =
        XML::Document.string \
          "<xml>#{value[field_name]}</xml>",
          :options =>XML::Parser::Options::NOBLANKS

      temp_doc.root.each do
        |temp_elem|
        prop << temp_elem.copy(true)
      end

      elem << prop

    else

      raise "unexpected element #{field_elem.name} found in field "
        "list for schema #{schema_elem["name"]}"

    end

  end

  if value["content"].is_a? Array

    value["content"].each do
      |item|

      item_type = item["type"]
      item_value = item["value"]

      option_elem =
        fields_elem.find_first "
          option [@name = '#{item_type}']
        "

      next unless option_elem

      option_ref =
        option_elem["ref"]

      schema_option_elem =
        schemas["schema-option/#{option_ref}"]

      next unless schema_option_elem

      schema_option_props_elem =
        schema_option_elem.find_first "props"

      prop =
        XML::Node.new item_type

      field_to_xml \
        schemas,
        schema_option_props_elem,
        item_value,
        prop

      elem << prop

    end

  end

end

#get_record_id_long(schemas, record_elem) ⇒ Object 



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# File 'lib/hq/engine/libxmlruby-mixin.rb', line 419

def get_record_id_long schemas, record_elem

  return "%s/%s" % [
    record_elem.name,
    get_record_id_short(schemas, record_elem),
  ]

end

#get_record_id_short(schemas, record_elem) ⇒ Object 



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# File 'lib/hq/engine/libxmlruby-mixin.rb', line 388

def get_record_id_short schemas, record_elem

  schema_elem =
    schemas["schema/#{record_elem.name}"]

  unless schema_elem
    raise "No schema for #{record_elem.name}"
  end

  id_parts =
    schema_elem.find("id/*").to_a.map do
      |id_elem|

      part =
        record_elem[id_elem["name"]]

      unless part
        raise "No #{id_elem["name"]} for #{record_elem.name}"
      end

      part

    end

  id =
    id_parts.join "/"

  return id

end

#js_to_xml(schemas, type, value) ⇒ Object 



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# File 'lib/hq/engine/libxmlruby-mixin.rb', line 208

def js_to_xml schemas, type, value

  schema_elem =
    schemas["schema/#{type}"]

  elem =
    XML::Node.new type

  field_to_xml \
    schemas,
    schema_elem.find_first("id"),
    value,
    elem

  field_to_xml \
    schemas,
    schema_elem.find_first("fields"),
    value,
    elem

  return elem

end

#load_data_file(filename) ⇒ Object 



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# File 'lib/hq/engine/libxmlruby-mixin.rb', line 8

def load_data_file filename

  ret = []

  doc =
    XML::Document.file \
      filename,
      :options =>XML::Parser::Options::NOBLANKS

  return doc.find("//data/*").to_a

end

#load_data_string(string) ⇒ Object 



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# File 'lib/hq/engine/libxmlruby-mixin.rb', line 21

def load_data_string string

  ret = []

  doc =
    XML::Document.string \
      string,
      :options =>XML::Parser::Options::NOBLANKS

  return doc.find("//data/*").to_a

end

#load_schema_file(filename) ⇒ Object 



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# File 'lib/hq/engine/libxmlruby-mixin.rb', line 51

def load_schema_file filename

  schema_doc =
    XML::Document.file filename

  schema =
    Hash[
      schema_doc.find("*").map do
        |schema_elem|
        [
          "%s/%s" % [
            schema_elem.name,
            schema_elem["name"],
          ],
          schema_elem,
        ]
      end
    ]

  return schema

end

#to_xml_string(elem) ⇒ Object 



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# File 'lib/hq/engine/libxmlruby-mixin.rb', line 428

def to_xml_string elem
  return elem.to_s
end

#write_data_file(filename, data) ⇒ Object 



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# File 'lib/hq/engine/libxmlruby-mixin.rb', line 34

def write_data_file filename, data

  doc = XML::Document.new
  doc.root = XML::Node.new "data"

  data.each do
    |item|
    doc.root << doc.import(item)
  end

  File.open filename, "w" do |f|
    f.print doc.to_s
  end

end

#xml_to_json(schemas, schema_elem, elem) ⇒ Object 



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# File 'lib/hq/engine/libxmlruby-mixin.rb', line 232

def xml_to_json schemas, schema_elem, elem

  value = {}

  field_to_json \
    schemas,
    schema_elem,
    schema_elem.find_first("id"),
    elem,
    value

  field_to_json \
    schemas,
    schema_elem,
    schema_elem.find_first("fields"),
    elem,
    value

  return value
end