internal override bool Equals(QueryFunction function)
{
XPathFunction function2 = function as XPathFunction;
if (function2 == null)
{
return(false);
}
return(function2.ID == this.ID);
}
internal override bool Equals(QueryFunction function)
{
XPathFunction xpathFunction = function as XPathFunction;
if (null == xpathFunction)
{
return(false);
}
return(xpathFunction.ID == this.ID);
}
private bool CompileFunctionSpecial(XPathFunctionExpr expr)
{
XPathFunction function = expr.Function as XPathFunction;
if (((function != null) && (XPathFunctionID.StartsWith == function.ID)) && (XPathExprType.String == expr.SubExpr[1].Type))
{
this.CompileFunctionParam(function, expr.SubExpr, 0);
this.codeBlock.Append(new StringPrefixOpcode(((XPathStringExpr)expr.SubExpr[1]).String));
return(true);
}
return(false);
}
static XPathFunctionLibrary()
{
XPathFunction[] functionArray = new XPathFunction[0x24];
ValueDataType[] argTypes = new ValueDataType[1];
functionArray[0] = new XPathFunction(XPathFunctionID.Boolean, "boolean", ValueDataType.Boolean, argTypes);
functionArray[1] = new XPathFunction(XPathFunctionID.False, "false", ValueDataType.Boolean);
functionArray[2] = new XPathFunction(XPathFunctionID.True, "true", ValueDataType.Boolean);
functionArray[3] = new XPathFunction(XPathFunctionID.Not, "not", ValueDataType.Boolean, new ValueDataType[] { ValueDataType.Boolean });
functionArray[4] = new XPathFunction(XPathFunctionID.Lang, "lang", ValueDataType.Boolean, new ValueDataType[] { ValueDataType.String });
ValueDataType[] typeArray4 = new ValueDataType[1];
functionArray[5] = new XPathFunction(XPathFunctionID.Number, "number", ValueDataType.Double, typeArray4);
functionArray[6] = new XPathFunction(XPathFunctionID.NumberDefault, "number", ValueDataType.Double);
functionArray[7] = new XPathFunction(XPathFunctionID.Sum, "sum", ValueDataType.Double, new ValueDataType[] { ValueDataType.Sequence });
functionArray[8] = new XPathFunction(XPathFunctionID.Floor, "floor", ValueDataType.Double, new ValueDataType[] { ValueDataType.Double });
functionArray[9] = new XPathFunction(XPathFunctionID.Ceiling, "ceiling", ValueDataType.Double, new ValueDataType[] { ValueDataType.Double });
functionArray[10] = new XPathFunction(XPathFunctionID.Round, "round", ValueDataType.Double, new ValueDataType[] { ValueDataType.Double });
ValueDataType[] typeArray9 = new ValueDataType[1];
functionArray[11] = new XPathFunction(XPathFunctionID.String, "string", ValueDataType.String, typeArray9);
functionArray[12] = new XPathFunction(XPathFunctionID.StringDefault, "string", ValueDataType.String, QueryFunctionFlag.UsesContextNode);
functionArray[13] = new XPathFunction(XPathFunctionID.ConcatTwo, "concat", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.String });
functionArray[14] = new XPathFunction(XPathFunctionID.ConcatThree, "concat", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.String, ValueDataType.String });
functionArray[15] = new XPathFunction(XPathFunctionID.ConcatFour, "concat", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.String, ValueDataType.String, ValueDataType.String });
functionArray[0x10] = new XPathFunction(XPathFunctionID.StartsWith, "starts-with", ValueDataType.Boolean, new ValueDataType[] { ValueDataType.String, ValueDataType.String });
functionArray[0x11] = new XPathFunction(XPathFunctionID.NormalizeSpace, "normalize-space", ValueDataType.String, new ValueDataType[] { ValueDataType.String });
functionArray[0x12] = new XPathFunction(XPathFunctionID.NormalizeSpaceDefault, "normalize-space", ValueDataType.String, QueryFunctionFlag.UsesContextNode);
functionArray[0x13] = new XPathFunction(XPathFunctionID.Contains, "contains", ValueDataType.Boolean, new ValueDataType[] { ValueDataType.String, ValueDataType.String });
functionArray[20] = new XPathFunction(XPathFunctionID.SubstringBefore, "substring-before", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.String });
functionArray[0x15] = new XPathFunction(XPathFunctionID.SubstringAfter, "substring-after", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.String });
functionArray[0x16] = new XPathFunction(XPathFunctionID.Substring, "substring", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.Double });
functionArray[0x17] = new XPathFunction(XPathFunctionID.SubstringLimit, "substring", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.Double, ValueDataType.Double });
functionArray[0x18] = new XPathFunction(XPathFunctionID.StringLength, "string-length", ValueDataType.Double, new ValueDataType[] { ValueDataType.String });
functionArray[0x19] = new XPathFunction(XPathFunctionID.StringLengthDefault, "string-length", ValueDataType.Double, QueryFunctionFlag.UsesContextNode);
functionArray[0x1a] = new XPathFunction(XPathFunctionID.Translate, "translate", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.String, ValueDataType.String });
functionArray[0x1b] = new XPathFunction(XPathFunctionID.Last, "last", ValueDataType.Double, QueryFunctionFlag.UsesContextNode);
functionArray[0x1c] = new XPathFunction(XPathFunctionID.Position, "position", ValueDataType.Double, QueryFunctionFlag.UsesContextNode);
functionArray[0x1d] = new XPathFunction(XPathFunctionID.Count, "count", ValueDataType.Double, new ValueDataType[] { ValueDataType.Sequence });
functionArray[30] = new XPathFunction(XPathFunctionID.LocalName, "local-name", ValueDataType.String, new ValueDataType[] { ValueDataType.Sequence });
functionArray[0x1f] = new XPathFunction(XPathFunctionID.LocalNameDefault, "local-name", ValueDataType.String, QueryFunctionFlag.UsesContextNode);
functionArray[0x20] = new XPathFunction(XPathFunctionID.Name, "name", ValueDataType.String, new ValueDataType[] { ValueDataType.Sequence });
functionArray[0x21] = new XPathFunction(XPathFunctionID.NameDefault, "name", ValueDataType.String, QueryFunctionFlag.UsesContextNode);
functionArray[0x22] = new XPathFunction(XPathFunctionID.NamespaceUri, "namespace-uri", ValueDataType.String, new ValueDataType[] { ValueDataType.Sequence });
functionArray[0x23] = new XPathFunction(XPathFunctionID.NamespaceUriDefault, "namespace-uri", ValueDataType.String, QueryFunctionFlag.UsesContextNode);
functionTable = functionArray;
}
static XPathFunctionLibrary()
{
XPathFunction[] functionArray = new XPathFunction[0x24];
ValueDataType[] argTypes = new ValueDataType[1];
functionArray[0] = new XPathFunction(XPathFunctionID.Boolean, "boolean", ValueDataType.Boolean, argTypes);
functionArray[1] = new XPathFunction(XPathFunctionID.False, "false", ValueDataType.Boolean);
functionArray[2] = new XPathFunction(XPathFunctionID.True, "true", ValueDataType.Boolean);
functionArray[3] = new XPathFunction(XPathFunctionID.Not, "not", ValueDataType.Boolean, new ValueDataType[] { ValueDataType.Boolean });
functionArray[4] = new XPathFunction(XPathFunctionID.Lang, "lang", ValueDataType.Boolean, new ValueDataType[] { ValueDataType.String });
ValueDataType[] typeArray4 = new ValueDataType[1];
functionArray[5] = new XPathFunction(XPathFunctionID.Number, "number", ValueDataType.Double, typeArray4);
functionArray[6] = new XPathFunction(XPathFunctionID.NumberDefault, "number", ValueDataType.Double);
functionArray[7] = new XPathFunction(XPathFunctionID.Sum, "sum", ValueDataType.Double, new ValueDataType[] { ValueDataType.Sequence });
functionArray[8] = new XPathFunction(XPathFunctionID.Floor, "floor", ValueDataType.Double, new ValueDataType[] { ValueDataType.Double });
functionArray[9] = new XPathFunction(XPathFunctionID.Ceiling, "ceiling", ValueDataType.Double, new ValueDataType[] { ValueDataType.Double });
functionArray[10] = new XPathFunction(XPathFunctionID.Round, "round", ValueDataType.Double, new ValueDataType[] { ValueDataType.Double });
ValueDataType[] typeArray9 = new ValueDataType[1];
functionArray[11] = new XPathFunction(XPathFunctionID.String, "string", ValueDataType.String, typeArray9);
functionArray[12] = new XPathFunction(XPathFunctionID.StringDefault, "string", ValueDataType.String, QueryFunctionFlag.UsesContextNode);
functionArray[13] = new XPathFunction(XPathFunctionID.ConcatTwo, "concat", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.String });
functionArray[14] = new XPathFunction(XPathFunctionID.ConcatThree, "concat", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.String, ValueDataType.String });
functionArray[15] = new XPathFunction(XPathFunctionID.ConcatFour, "concat", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.String, ValueDataType.String, ValueDataType.String });
functionArray[0x10] = new XPathFunction(XPathFunctionID.StartsWith, "starts-with", ValueDataType.Boolean, new ValueDataType[] { ValueDataType.String, ValueDataType.String });
functionArray[0x11] = new XPathFunction(XPathFunctionID.NormalizeSpace, "normalize-space", ValueDataType.String, new ValueDataType[] { ValueDataType.String });
functionArray[0x12] = new XPathFunction(XPathFunctionID.NormalizeSpaceDefault, "normalize-space", ValueDataType.String, QueryFunctionFlag.UsesContextNode);
functionArray[0x13] = new XPathFunction(XPathFunctionID.Contains, "contains", ValueDataType.Boolean, new ValueDataType[] { ValueDataType.String, ValueDataType.String });
functionArray[20] = new XPathFunction(XPathFunctionID.SubstringBefore, "substring-before", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.String });
functionArray[0x15] = new XPathFunction(XPathFunctionID.SubstringAfter, "substring-after", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.String });
functionArray[0x16] = new XPathFunction(XPathFunctionID.Substring, "substring", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.Double });
functionArray[0x17] = new XPathFunction(XPathFunctionID.SubstringLimit, "substring", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.Double, ValueDataType.Double });
functionArray[0x18] = new XPathFunction(XPathFunctionID.StringLength, "string-length", ValueDataType.Double, new ValueDataType[] { ValueDataType.String });
functionArray[0x19] = new XPathFunction(XPathFunctionID.StringLengthDefault, "string-length", ValueDataType.Double, QueryFunctionFlag.UsesContextNode);
functionArray[0x1a] = new XPathFunction(XPathFunctionID.Translate, "translate", ValueDataType.String, new ValueDataType[] { ValueDataType.String, ValueDataType.String, ValueDataType.String });
functionArray[0x1b] = new XPathFunction(XPathFunctionID.Last, "last", ValueDataType.Double, QueryFunctionFlag.UsesContextNode);
functionArray[0x1c] = new XPathFunction(XPathFunctionID.Position, "position", ValueDataType.Double, QueryFunctionFlag.UsesContextNode);
functionArray[0x1d] = new XPathFunction(XPathFunctionID.Count, "count", ValueDataType.Double, new ValueDataType[] { ValueDataType.Sequence });
functionArray[30] = new XPathFunction(XPathFunctionID.LocalName, "local-name", ValueDataType.String, new ValueDataType[] { ValueDataType.Sequence });
functionArray[0x1f] = new XPathFunction(XPathFunctionID.LocalNameDefault, "local-name", ValueDataType.String, QueryFunctionFlag.UsesContextNode);
functionArray[0x20] = new XPathFunction(XPathFunctionID.Name, "name", ValueDataType.String, new ValueDataType[] { ValueDataType.Sequence });
functionArray[0x21] = new XPathFunction(XPathFunctionID.NameDefault, "name", ValueDataType.String, QueryFunctionFlag.UsesContextNode);
functionArray[0x22] = new XPathFunction(XPathFunctionID.NamespaceUri, "namespace-uri", ValueDataType.String, new ValueDataType[] { ValueDataType.Sequence });
functionArray[0x23] = new XPathFunction(XPathFunctionID.NamespaceUriDefault, "namespace-uri", ValueDataType.String, QueryFunctionFlag.UsesContextNode);
functionTable = functionArray;
}
// Some functions are compiled with special opcodes to optimize perf in special situations
// 1. starts-with(string, literal)
bool CompileFunctionSpecial(XPathFunctionExpr expr)
{
XPathFunction function = expr.Function as XPathFunction;
if (null != function)
{
if (XPathFunctionID.StartsWith == function.ID)
{
// Does the 2nd parameter start with a string literal? Use a special opcode to handle those..
Fx.Assert(expr.SubExprCount == 2, "");
if (XPathExprType.String == expr.SubExpr[1].Type)
{
this.CompileFunctionParam(function, expr.SubExpr, 0);
this.codeBlock.Append(new StringPrefixOpcode(((XPathStringExpr)expr.SubExpr[1]).String));
return(true);
}
}
}
return(false);
}
internal static void NumberNumberDefault(ProcessingContext context)
{
XPathFunction.IterateAndPushSequences(context);
XPathFunction.NumberNumber(context);
}
internal static void NodesetNamespaceUriDefault(ProcessingContext context)
{
XPathFunction.IterateAndPushSequences(context);
XPathFunction.NodesetNamespaceUri(context);
}
internal static void NodesetLocalNameDefault(ProcessingContext context)
{
XPathFunction.IterateAndPushSequences(context);
XPathFunction.NodesetLocalName(context);
}
internal override void Eval(ProcessingContext context)
{
Fx.Assert(null != context, "");
switch (this.functionID)
{
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotImplementedException(SR.GetString(SR.QueryNotImplemented, this.name)));
case XPathFunctionID.IterateSequences:
XPathFunction.IterateAndPushSequences(context);
break;
case XPathFunctionID.Count:
XPathFunction.NodesetCount(context);
break;
case XPathFunctionID.Position:
XPathFunction.NodesetPosition(context);
break;
case XPathFunctionID.Last:
XPathFunction.NodesetLast(context);
break;
case XPathFunctionID.LocalName:
XPathFunction.NodesetLocalName(context);
break;
case XPathFunctionID.LocalNameDefault:
XPathFunction.NodesetLocalNameDefault(context);
break;
case XPathFunctionID.Name:
XPathFunction.NodesetName(context);
break;
case XPathFunctionID.NameDefault:
XPathFunction.NodesetNameDefault(context);
break;
case XPathFunctionID.NamespaceUri:
XPathFunction.NodesetNamespaceUri(context);
break;
case XPathFunctionID.NamespaceUriDefault:
XPathFunction.NodesetNamespaceUriDefault(context);
break;
case XPathFunctionID.Boolean:
XPathFunction.BooleanBoolean(context);
break;
case XPathFunctionID.False:
XPathFunction.BooleanFalse(context);
break;
case XPathFunctionID.True:
XPathFunction.BooleanTrue(context);
break;
case XPathFunctionID.Not:
XPathFunction.BooleanNot(context);
break;
case XPathFunctionID.Lang:
XPathFunction.BooleanLang(context);
break;
case XPathFunctionID.Contains:
XPathFunction.StringContains(context);
break;
case XPathFunctionID.Number:
XPathFunction.NumberNumber(context);
break;
case XPathFunctionID.NumberDefault:
XPathFunction.NumberNumberDefault(context);
break;
case XPathFunctionID.Ceiling:
XPathFunction.NumberCeiling(context);
break;
case XPathFunctionID.Floor:
XPathFunction.NumberFloor(context);
break;
case XPathFunctionID.Round:
XPathFunction.NumberRound(context);
break;
case XPathFunctionID.Sum:
XPathFunction.NumberSum(context);
break;
case XPathFunctionID.String:
XPathFunction.StringString(context);
break;
case XPathFunctionID.StringDefault:
XPathFunction.StringStringDefault(context);
break;
case XPathFunctionID.ConcatTwo:
XPathFunction.StringConcatTwo(context);
break;
case XPathFunctionID.ConcatThree:
XPathFunction.StringConcatThree(context);
break;
case XPathFunctionID.ConcatFour:
XPathFunction.StringConcatFour(context);
break;
case XPathFunctionID.StartsWith:
XPathFunction.StringStartsWith(context);
break;
case XPathFunctionID.StringLength:
XPathFunction.StringLength(context);
break;
case XPathFunctionID.StringLengthDefault:
XPathFunction.StringLengthDefault(context);
break;
case XPathFunctionID.SubstringBefore:
XPathFunction.SubstringBefore(context);
break;
case XPathFunctionID.SubstringAfter:
XPathFunction.SubstringAfter(context);
break;
case XPathFunctionID.Substring:
XPathFunction.Substring(context);
break;
case XPathFunctionID.SubstringLimit:
XPathFunction.SubstringLimit(context);
break;
case XPathFunctionID.Translate:
XPathFunction.Translate(context);
break;
case XPathFunctionID.NormalizeSpace:
XPathFunction.NormalizeSpace(context);
break;
case XPathFunctionID.NormalizeSpaceDefault:
XPathFunction.NormalizeSpaceDefault(context);
break;
}
}
internal static void NormalizeSpaceDefault(ProcessingContext context)
{
XPathFunction.IterateAndPushSequences(context);
XPathFunction.ConvertFirstArg(context, ValueDataType.String);
XPathFunction.NormalizeSpace(context);
}
internal static void StringLengthDefault(ProcessingContext context)
{
XPathFunction.IterateAndPushSequences(context);
XPathFunction.ConvertFirstArg(context, ValueDataType.String);
XPathFunction.StringLength(context);
}
internal static void StringStringDefault(ProcessingContext context)
{
XPathFunction.IterateAndPushSequences(context);
XPathFunction.StringString(context);
}