org.ucl.xpath.function
Class FnSubstringBefore

java.lang.Object
  org.ucl.xpath.function.Function
      org.ucl.xpath.function.FnSubstringBefore

public class FnSubstringBefore

extends Function

Returns the substring of the value of $arg1 that precedes in the value of $arg1 the first occurrence of a sequence of collation units that provides a minimal match to the collation units of $arg2 according to the collation that is used.

Field Summary

Fields inherited from class org.ucl.xpath.function.Function

_arity, _fl, _name

Constructor Summary

FnSubstringBefore()
Constructor for FnSubstringBefore.

Method Summary

ResultSequence	evaluate(java.util.Collection args) Evaluate arguments.
static java.util.Collection	expected_args() Obtain a list of expected arguments.
static ResultSequence	substring_before(java.util.Collection args) Substring-Before operation.

Methods inherited from class org.ucl.xpath.function.Function

arity, convert_argument, convert_arguments, dynamic_context, name, set_function_library, signature, signature, signature, static_context

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FnSubstringBefore

public FnSubstringBefore()

Constructor for FnSubstringBefore.

Method Detail

evaluate

public ResultSequence evaluate(java.util.Collection args)
                        throws DynamicError

Evaluate arguments.

Specified by:

evaluate in class Function

Parameters:

args - argument expressions.

Returns:

Result of evaluation.

Throws:

DynamicError - Dynamic error.

substring_before

public static ResultSequence substring_before(java.util.Collection args)
                                       throws DynamicError

Substring-Before operation.

Parameters:

args - Result from the expressions evaluation.

Returns:

Result of fn:substring-before operation.

Throws:

DynamicError - Dynamic error.

expected_args

public static java.util.Collection expected_args()

Obtain a list of expected arguments.

Returns:

Result of operation.