Conformance

12 Conformance

12.1 Conformance Levels

The XForms specification is designed for implementation on hardware platforms of all sizes, from tiny handheld devices to high-powered servers. Clearly, a one-size-fits-all approach has its drawbacks. For this reason, there are two conformance levels for XForms Processors, documents, and authoring tools.

12.1.1 XForms Basic

This conformance level will be suitable for devices with limited computing power, such as mobile phones, handheld computers, and appliances. This conformance level will depend on a subset of XML Schema, and will not include any resource-intensive features. Implementations of XForms Basic should return "basic" for the conformance-level property.

Resource-limited XForms Processors may define implementation limits on the maximum size of a node-set returned by XPath expressions.

12.1.2 XForms Full

This conformance level will be suitable for more powerful forms processing, such as might be found on a standard desktop browser or a server. Implementations of XForms Full should return "full" for the conformance-level property.

12.2 Conformance Description

12.2.1 Conforming XForms Processors

All XForms Processors must support the required portions of the specifications normatively listed as references (C References).

XForms Basic Processors must implement all required features labeled as Basic.

XForms Full Processors must implement all required features.

12.2.2 Conforming XForms Containing Documents

All XForms Containing Documents must conform to the required portions of the specifications normatively listed as references (C References). XForms elements are typically inserted into a containing document in multiple places. The root element for each individual fragment must be model, a form control, or one of group, switch, repeat. Individual XForms fragments must be schema-valid against the Schema for XForms (A Schema for XForms).

All XForms Basic Containing Documents must conform to all required portions of this specification marked as Basic, and additionally not include any features not specifically marked as Basic.

All XForms Full Containing Documents must conform to all required portions of this specification.

12.2.3 Conforming XForms Generators

XForms Basic Generators must create conforming XForms Basic documents.

XForms Full Generators must create conforming XForms Basic and XForms Full documents, depending on the author's choice.


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