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XSD Simple Types



The translation of XSD simple types into ASN.1 types is straightforward; in most cases, a one-to-one mapping from XSD simple type to ASN.1 primitive type exists. The following table summarizes these mappings:
XSD Simple Type
ASN.1 Type
anyURI
UTF8String
base64Binary
OCTET STRING
boolean
BOOLEAN
byte
INTEGER (-128..127)
date
UTF8String
dateTime
UTF8String
decimal
UTF8String
double
REAL
duration
UTF8String
ENTITIES
SEQUENCE OF UTF8String
ENTITY
UTF8String
float
REAL
gDay
UTF8String
gMonth
UTF8String
gMonthDay
UTF8String
gYear
UTF8String
gYearMonth
UTF8String
hexBinary
OCTET STRING
ID
UTF8String
IDREF
UTF8String
IDREFS
SEQUENCE OF UTF8String
integer
INTEGER
int
INTEGER (-2147483648..2147483647)
language
UTF8String
long
INTEGER (-9223372036854775808..9223372036854775807)
Name
UTF8String
NCName
UTF8String
negativeInteger
INTEGER (MIN..-1)
NMTOKEN
UTF8String
NMTOKENS
SEQUENCE OF UTF8String
nonNegativeInteger
INTEGER (0..MAX)
nonPositiveInteger
INTEGER (MIN..0)
normalizedString
UTF8String
positiveInteger
INTEGER (1..MAX)
short
INTEGER (-32768..32767)
string
UTF8String
time
UTF8String
token
UTF8String
unsignedByte
INTEGER (0..255)
unsignedShort
INTEGER (0..65535)
unsignedInt
INTEGER (0..4294967295)
unsignedLong
INTEGER (0..18446744073709551615)


The C/C++ mappings for these types can be found in the section above on ASN.1 type mappings.


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