[jira] Created: (XERCESJ-1225) Feature to store entityreferences in attribute values when building a DOM

["Dick Deneer (JIRA)" <xe...@xml.apache.org>]

Feature to store entityreferences in attribute values when building a DOM
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                 Key: XERCESJ-1225
                 URL: https://issues.apache.org/jira/browse/XERCESJ-1225
             Project: Xerces2-J
          Issue Type: Improvement
          Components: DOM (Level 3 Core)
    Affects Versions: 2.9.0
            Reporter: Dick Deneer
            Priority: Minor


Using the parameter "http://apache.org/xml/features/dom/create-entity-ref-nodes" you can store the entity references which belong to element values. But entity references  in attribute values are not stored in the DOM. This makes it impossible to serialize the DOM back to the original xml. Please supply a similar feature for entity references in attribute values as implemented for elements.  Especially in the case where you are using the DOM for updating other values , you need this.
Example:
Parse this xml to a DOM
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE personnel SYSTEM "personal.dtd" [
<!ENTITY name "Big">
<!ENTITY one "1">
]>
<personnel>
  <person id="Big.Boss" salary="&one;">
    <name><family>Boss</family> <given>&name;</given></name>
    <email>chief@...</email>
  </person>
</personnel>

In the DOM you will have a entity referece node for &name as child for <given>
There will be no entity reference node for &one in salary 
After serializing back to xml you will get:
<?xml version="1.0" ?>
<!DOCTYPE personnel SYSTEM "personal.dtd" [<!ENTITY name 'Big'>
<!ENTITY one '1'>
]>
<personnel>
    <person id="Big.Boss" salary="1">
        <name>
            <family>Boss</family>
            <given>&name;</given>
        </name>
        <email>chief@...</email>
 </person>

Implementing this feature will also need changes in the serializer, to get the stored entities out in the XML

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