5.1 XML Schema Built-in Datatypes

XForms includes all XML Schema datatypes. Concepts value space, lexical space and constraining facets are as specified in [XML Schema part 2]. XML Schema features used in XForms are divided into two modules, called Basic and Full. Base types included in module basic are marked with an asterisk *. Datatypes derived by restriction and derived by list from these base types are also included in the basic module.

Built-in primitive types:

duration *
dateTime *
time *
date *
gYearMonth *
gYear *
gMonthDay *
gDay *
gMonth *
string *
boolean *
base64Binary *
hexBinary
float
decimal *
double
anyURI *
QName
NOTATION

Built-in derived types:

normalizedString
token
language
Name
NCName
ID
IDREF
IDREFS
ENTITY
ENTITIES
NMTOKEN
NMTOKENS
integer *
nonPositiveInteger *
negativeInteger *
long *
int *
short *
byte *
nonNegativeInteger *
unsignedLong *
unsignedInt *
unsignedShort *
unsignedByte *
positiveInteger *

5.2 XForms Datatypes

The Schema for XForms derives the following types to facilitate defining model in XForms. These types are included in XForms Basic.