use of org.eclipse.wst.xml.xpath2.api.ResultSequence in project webtools.sourceediting by eclipse.
the class FsGe method fs_ge_value.
/**
* Greater than or equal to operation on the values of the arguments.
*
* @param args
* input arguments.
* @param dc
* @throws DynamicError
* Dynamic error.
* @return Result of the operation.
*/
public static ResultSequence fs_ge_value(Collection args, DynamicContext dc) throws DynamicError {
ResultSequence greater = FsGt.fs_gt_value(args, dc);
if (((XSBoolean) greater.first()).value())
return greater;
ResultSequence equal = FsEq.fs_eq_value(args, dc);
if (((XSBoolean) equal.first()).value())
return equal;
return ResultSequenceFactory.create_new(new XSBoolean(false));
}
use of org.eclipse.wst.xml.xpath2.api.ResultSequence in project webtools.sourceediting by eclipse.
the class FsPlus method fs_plus_unary.
/**
* Unary operation on the arguments.
*
* @param args
* input arguments.
* @throws DynamicError
* Dynamic error.
* @return Result of the operation.
*/
public static ResultSequence fs_plus_unary(Collection args) throws DynamicError {
// make sure we got only one arg
if (args.size() != 1)
DynamicError.throw_type_error();
ResultSequence arg = (ResultSequence) args.iterator().next();
// make sure we got only one numeric atom
if (arg.size() != 1)
DynamicError.throw_type_error();
Item at = arg.first();
if (!(at instanceof NumericType))
DynamicError.throw_type_error();
// no-op
return arg;
}
use of org.eclipse.wst.xml.xpath2.api.ResultSequence in project webtools.sourceediting by eclipse.
the class FsPlus method do_math_op.
// voodoo
/**
* Mathematical operation on the arguments.
*
* @param args
* input arguments.
* @param type
* type of arguments.
* @param mname
* Method name for template simulation.
* @param sc
* @throws DynamicError
* Dynamic error.
* @return Result of operation.
*/
public static ResultSequence do_math_op(Collection args, Class type, String mname) throws DynamicError {
// sanity check args + convert em
if (args.size() != 2)
DynamicError.throw_type_error();
Collection cargs = convert_args(args);
if (cargs.size() == 0)
return ResultBuffer.EMPTY;
// make sure arugments are good [at least the first one]
Iterator argi = cargs.iterator();
Item arg = ((org.eclipse.wst.xml.xpath2.api.ResultSequence) argi.next()).item(0);
org.eclipse.wst.xml.xpath2.api.ResultSequence arg2 = (org.eclipse.wst.xml.xpath2.api.ResultSequence) argi.next();
if (!(type.isInstance(arg)))
DynamicError.throw_type_error();
// here is da ownage
try {
Class[] margsdef = { ResultSequence.class };
Method method = null;
method = type.getMethod(mname, margsdef);
Object[] margs = { arg2 };
return (ResultSequence) method.invoke(arg, margs);
} catch (NoSuchMethodException err) {
System.out.println("NoSuchMethodException: " + err.getMessage());
assert false;
} catch (IllegalAccessException err) {
System.out.println("IllegalAccessException: " + err.getMessage());
assert false;
} catch (InvocationTargetException err) {
Throwable ex = err.getTargetException();
if (ex instanceof DynamicError) {
throw (DynamicError) ex;
} else {
throw new RuntimeException(ex);
}
}
// unreach!
return null;
}
use of org.eclipse.wst.xml.xpath2.api.ResultSequence in project webtools.sourceediting by eclipse.
the class Function method getResultSetForArityZero.
protected static ResultSequence getResultSetForArityZero(EvaluationContext ec) throws DynamicError {
ResultSequence rs = ResultSequenceFactory.create_new();
Item contextItem = ec.getContextItem();
if (contextItem != null) {
// if context item is defined, then that is the default argument
// to fn:string function
rs.add(new XSString(contextItem.getStringValue()));
} else {
throw DynamicError.contextUndefined();
}
return rs;
}
use of org.eclipse.wst.xml.xpath2.api.ResultSequence in project webtools.sourceediting by eclipse.
the class Function method convert_argument.
// convert argument according to section 3.1.5 of xpath 2.0 spec
/**
* Convert the input argument according to section 3.1.5 of specification.
*
* @param arg
* input argument.
* @param expected
* Expected Sequence type.
* @throws DynamicError
* Dynamic error.
* @return Converted argument.
*/
public static org.eclipse.wst.xml.xpath2.api.ResultSequence convert_argument(org.eclipse.wst.xml.xpath2.api.ResultSequence arg, SeqType expected) throws DynamicError {
ResultBuffer result = new ResultBuffer();
// XXX: Should use type_class instead and use item.getClass().isAssignableTo(expected.type_class())
AnyType expected_type = expected.type();
// expected is atomic
if (expected_type instanceof AnyAtomicType) {
AnyAtomicType expected_aat = (AnyAtomicType) expected_type;
// atomize
org.eclipse.wst.xml.xpath2.api.ResultSequence rs = FnData.atomize(arg);
// cast untyped to expected type
for (Iterator i = rs.iterator(); i.hasNext(); ) {
AnyType item = (AnyType) i.next();
if (item instanceof XSUntypedAtomic) {
// create a new item of the expected
// type initialized with from the string
// value of the item
ResultSequence converted = null;
if (expected_aat instanceof XSString) {
XSString strType = new XSString(item.getStringValue());
converted = ResultSequenceFactory.create_new(strType);
} else {
converted = ResultSequenceFactory.create_new(item);
}
result.concat(converted);
} else // xs:anyURI promotion to xs:string
if (item instanceof XSAnyURI && expected_aat instanceof XSString) {
result.add(new XSString(item.getStringValue()));
} else // numeric type promotion
if (item instanceof NumericType) {
if (expected_aat instanceof XSDouble) {
XSDouble doubleType = new XSDouble(item.getStringValue());
result.add(doubleType);
} else {
result.add(item);
}
} else {
result.add(item);
}
}
// do sequence type matching on converted arguments
return expected.match(result.getSequence());
} else {
// do sequence type matching on converted arguments
return expected.match(arg);
}
}
Aggregations