XSLT 2.0 and XPath 2.0 Programmer's Reference, 4th Edition (463 page)
Read XSLT 2.0 and XPath 2.0 Programmer's Reference, 4th Edition Online
Authors: Michael Kay
BOOK: XSLT 2.0 and XPath 2.0 Programmer's Reference, 4th Edition
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Converting from gYearMonth
| Destination Type | Rules |
| gYearMonth | The value is returned unchanged. |
| string | The output will be in the form YYYY-MM , followed by a timezone if the value includes one, formatted as for xs:date . Negative years are preceded by  - . |
| untypedAtomic | Returns the same result as converting to a string, but the result is labeled as untypedAtomic . |
Converting from hexBinary
| Destination Type | Rules |
| base64Binary | A base64Binary value is constructed containing the same octets (bytes) as the original hexBinary value. |
| hexBinary | The value is returned unchanged. |
| string | The canonical lexical representation of the hexBinary value is returned, as a string. This representation uses two hexadecimal digits to represent each octet in the value. The digits used are 0–9 and A–F (uppercase). |
| untypedAtomic | Returns the same result as converting to a string, but the result is labeled as untypedAtomic . |
Converting from NOTATION
| Destination Type | Rules |
| NOTATION | Casting to xs:NOTATION itself is not permitted, because xs:NOTATION is an abstract type. When casting to a type derived from xs:NOTATION , the value is returned unchanged, provided that it meets the rules for the subtype. |
| string | If the value contains a prefix, the result is in the formprefix:localName; otherwise, the result is the local name. |
| untypedAtomic | Returns the same result as converting to a string, but the result is labeled as untypedAtomic . |
Converting from QName
| Destination Type | Rules |
| QName | The value is returned unchanged. |
| string | If the value contains a prefix, the result is in the formprefix:localName; otherwise, the result is the local name. |
| untypedAtomic | Returns the same result as converting to a string, but the result is labeled as untypedAtomic . |
Converting from string
| Destination Type | Rules |
| anyURI base64Binary boolean date dateTime decimal double duration float gDay gMonth gMonthDay gYear gYearMonth hexBinary string time | The string is converted to the destination type using the same rules as are applied during schema validation of an element or attribute declared with this type. Firstly, whitespace is normalized or collapsed as determined by the whiteSpace facet of the target type. (Except for the trivial conversion from string to string, this means that leading and trailing whitespace is removed). Then the resulting value is tested to check that it is a valid lexical representation for the specified atomic type, and the corresponding value of that type is returned. The rules are refined in the case of the date and time types to allow the timezone information to be retained (in XML Schema, these are lost during the process of validation). |
| NOTATION | Conversion to xs:NOTATION itself is not allowed, because xs:NOTATION is an abstract type. Conversion to a type derived from xs:NOTATION follows the same rules as conversion to a QName—the value must be supplied as a string literal. |
| QName | Casting from a string to a QName is allowed only if the value is supplied as a string literal. The namespace context is taken from the static context of the XPath expression. If the QName contains no prefix, then the default namespace for elements and types is used (in XSLT, this is the namespace declared using the xpath-default-namespace attribute). |
| untypedAtomic | The returned value contains the same characters as the original string, but the result is labeled as untypedAtomic . |
Converting from time
| Destination Type | Rules |
| string | Returns the canonical lexical representation of the time, retaining the original timezone. For example, the value might be output as13:20:05.012+01:00. The timezone is represented as±hh:mm, except for UTC, which is represented by the single letterZ. |
| time | The value is returned unchanged. |
| untypedAtomic | Returns the same result as converting to a string, but the result is labeled as untypedAtomic . |
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