XML can be typed in directly in a DSQL script, or via the <data> element.
The following attributes can be set in the <data> element.
| Name | Value | Description |
|---|---|---|
| type | 'xml' | |
| file | 'inline', or file name | document to parse |
| url | URL | document to parse |
| root | element or path | parsing starts at the given element |
| encoding | encoding name | the character encoding |
| parser | Java class name | The parser to use; default is 'dsql.parser.Parser' (DSQL parser) |
| eval_var | 'true' or 'false' | Evaluate variables inside contents and attributes; default 'true' for inline, 'false' for external |
This is done with the dot ('.') syntax. Examples...
External documents are parsed 'on demand', i.e. more elements are read when they are requested. In the example below, file "myfile.xml" is not parsed and loaded entirely in memory, but rather one element at a time.
foreach my $ele <data file="myfile.xml"/>
if($ele.status = 'active') print $ele;
This example assumes the enumerated elements are direct children
of the document root. When this is not the case, the root
attribute can be used to specify a starting path.
When used inline, variables and <dsql> elements are evaluated. Examples...
$currentStaff = <staff><firstname>$fname</firsname>
</staff>