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# ATBooleanOrDerived.hpp

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    00001 /*
    00002  * Copyright (c) 2001, 2008,
    00003  *     DecisionSoft Limited. All rights reserved.
    00004  * Copyright (c) 2004, 2015 Oracle and/or its affiliates. All rights reserved.
    00005  *
    00006  *
    00007  * Licensed under the Apache License, Version 2.0 (the "License");
    00008  * you may not use this file except in compliance with the License.
    00009  * You may obtain a copy of the License at
    00010  *
    00011  *     http://www.apache.org/licenses/LICENSE-2.0
    00012  *
    00013  * Unless required by applicable law or agreed to in writing, software
    00014  * distributed under the License is distributed on an "AS IS" BASIS,
    00015  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    00016  * See the License for the specific language governing permissions and
    00017  * limitations under the License.
    00018  */
    00019
    00020 #ifndef _ATBOOLEANORDERIVED_HPP
    00021 #define _ATBOOLEANORDERIVED_HPP
    00022
    00023 #include <xercesc/util/XercesDefs.hpp>
    00024 #include <xqilla/items/AnyAtomicType.hpp>
    00025
    00026 #include <xqilla/framework/XQillaExport.hpp>
    00027
    00028 class XPath2MemoryManager;
    00029
    00030 struct XQILLA_API BoolResult
    00031 {
    00032   static const BoolResult True;
    00033   static const BoolResult False;
    00034   static const BoolResult Null;
    00035
    00036   inline BoolResult(bool b) : value(b ? BOOL_TRUE : BOOL_FALSE) {}
    00037   inline operator bool() const { return value == BOOL_TRUE; }
    00038   inline bool operator==(BoolResult o) const { return value == o.value; }
    00039   inline bool operator!=(BoolResult o) const { return value != o.value; }
    00040
    00041 private:
    00042   inline BoolResult() : value(BOOL_NULL) {}
    00043   enum {
    00044     BOOL_NULL,
    00045     BOOL_FALSE,
    00046     BOOL_TRUE
    00047   } value;
    00048 };
    00049
    00050 class XQILLA_API ATBooleanOrDerived : public AnyAtomicType
    00051 {
    00052 public:
    00053   typedef RefCountPointer<const ATBooleanOrDerived> Ptr;
    00054
    00055   /* Get the name of the primitive type (basic type) of this type
    00056    * (ie "decimal" for xs:decimal) */
    00057   virtual const XMLCh* getPrimitiveTypeName() const = 0;
    00058
    00059   /* Get the namespace URI for this type */
    00060   virtual const XMLCh* getTypeURI() const = 0;
    00061
    00062   /* Get the name of this type  (ie "integer" for xs:integer) */
    00063   virtual const XMLCh* getTypeName() const = 0;
    00064
    00065   /* returns the XMLCh* (canonical) representation of this type */
    00066   virtual const XMLCh* asString(const DynamicContext* context) const = 0;
    00067
    00068   /* returns true if the two objects have the same boolean value
    00069    * false otherwise */
    00070   virtual bool equals(const AnyAtomicType::Ptr &target, const DynamicContext* context) const = 0;
    00071
    00074   virtual int compare(const ATBooleanOrDerived::Ptr &other, const DynamicContext *context) const = 0;
    00075
    00076   /* returns true if boolean value evaluates to true
    00077    * false otherwise */
    00078   virtual bool isTrue() const = 0;
    00079
    00080   /* returns false if boolean value evaluates to true
    00081    * true otherwise */
    00082   virtual bool isFalse() const = 0;
    00083
    00084   virtual AnyAtomicType::AtomicObjectType getPrimitiveTypeIndex() const = 0;
    00085 };
    00086
    00087 #endif