XProc Preferences
Oxygen XML Developer includes a built-in XProc engine called Calabash. You can add or configure external XProc engines by using the XProc preferences page. Open the Preferences dialog box and go to .
When Show XProc messages is selected all messages emitted by the XProc processor during a transformation will be presented in the results view.
To add an external engine click the New button. To configure an existing engine, click the Edit button. This opens the Custom Engine dialog box that allows you to configure an external engine.
Creating an XProc external engine
The following options can be configure in this dialog box:
- Name - The value of this field will be displayed in the XProc transformation scenario and in the command line that will start it.
- Description - A textual description that will appear as a tooltip where the XProc engine will be used.
- Working directory - The working directory for resolving relative
paths. You can
specify the path by using the text field, the
Insert Editor
Variables button, or the 
Browse button. - Command line - The command line that will run the XProc engine as
an external process. You can
specify the path by using the text field, the Insert Editor
Variables button, or the Browse button.
- Output encoding - The encoding for the output stream of the XProc engine, used for reading and displaying the output messages.
- Error encoding - The encoding for the error stream of the XProc engine, used for reading and displaying the messages from the error stream.
Note
saxon.config file. For further details about configuring this file go
to http://www.saxonica.com/documentation9.5/index.html#!configuration/configuration-file. You can configure the built-in Calabash processor by
using the calabash.config file. These files are located in
[OXYGEN_INSTALL_DIR]\lib\xproc\calabash\lib. If they do not exist, you have to create
them.