Application properties are similar to element attributes except that:
They are not part of the document content.
They are not persistent.
Their values are not limited to strings but can be any Java™ object.
They are not directly editable by the user. They are added to elements and to the document itself by the application (that is, XXE).
An example of application property is LOCATION_INFO
, the location of the file from which an element has been loaded.
Example of CSS rule using the :property() pseudo class:
*:property("LOCATION_INFO"):before { display: block; color: red; font-size: small; text-align: center; content: "LOCATION_INFO=" property("LOCATION_INFO") "\A" icon(down); }
The above rule inserts above any element having a LOCATION_INFO
property, a block displaying the value of this property.
Note that pseudo-function property(property_name
) can be used to insert the value of the property in generated content.
Read-only is a property which differs from other application properties by that fact that it is represented very efficiently (other properties are similar to hash table entries).
Example of CSS rule using the :read-only pseudo class:
*:read-only { background-color: #F0F0F0; }
The above rule is used to display any element marked as being read-only with a light-gray background.
Pattern | Meaning |
---|---|
E:read-only | an E element, marked as being read-only |
E:property("foo") | an E element, having a property named "foo" |
E:property("foo", "bar") or E:property("foo", equals, "bar") | an E element, having a property named "foo" with a value whose string representation equals "bar" |
E:property("foo", starts-with, "f") | an E element, having a property named "foo" with a value whose string representation starts with string "f". |
E:property("foo", ends-with, "oo") | an E element, having a property named "foo" with a value whose string representation ends with string "oo". |
E:property("foo", contains, "o") | an E element, having a property named "foo" with a value whose string representation contains substring "o". |