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ENH: Adding Property Support in Attribute XML Files

Robert M. O'Bara requested to merge bob.obara/smtk:addingPropertySupportToXmlReader into master

You can now set Properties on the Attribute Resource and on an Attribute via an XML file.

Property Section for the Attribute Resource

This is an optional section describing a set of properties that should be added to the Attribute Resource. The Property section is defined by a XML Properties node which is composed of a set of children Property nodes as shown below:


  <Properties>
    <Property Name="pi" Type="Int"> 42 </Property>
    <Property Name="pd" Type="double"> 3.141 </Property>
    <Property Name="ps" Type="STRING">Test string</Property>
    <Property Name="pb" Type="bool"> YES </Property>
  </Properties>

You can also look at data/attribute/attribute_collection/propertiesExample.rst and smtk/attribute/testing/cxx/unitXmlReaderProperties.cxx for a sample XML file and test.

Also added toBoolean method to StringUtils: The new method will convert a string to a boolean. If the method was successful it will return true else it will return false. All surround white-space is ignored and case is ignored.

Current valid values for true are: t, true, yes, 1 Current valid values for false are: f, false, no, 0

Edited by Robert M. O'Bara

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