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| -rw-r--r-- | include/iprt/cpp/restanyobject.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/include/iprt/cpp/restanyobject.h b/include/iprt/cpp/restanyobject.h new file mode 100644 index 00000000..cdb13f6d --- /dev/null +++ b/include/iprt/cpp/restanyobject.h @@ -0,0 +1,129 @@ +/** @file + * IPRT - C++ Representational State Transfer (REST) Any Object Class. + */ + +/* + * Copyright (C) 2008-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + +#ifndef IPRT_INCLUDED_cpp_restanyobject_h +#define IPRT_INCLUDED_cpp_restanyobject_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <iprt/cpp/restbase.h> +#include <iprt/cpp/restarray.h> +#include <iprt/cpp/reststringmap.h> + + +/** @defgroup grp_rt_cpp_restanyobj C++ Representational State Transfer (REST) Any Object Class. + * @ingroup grp_rt_cpp + * @{ + */ + +/** + * Wrapper object that can represent any kind of basic REST object. + * + * This class is the result of a couple of design choices made in our REST + * data model. If could have been avoided if we used pointers all over + * the place and didn't rely entirely on the object specific implementations + * of deserializeFromJson and fromString to do the deserializing or everything. + * + * The assumption, though, was that most of the data we're dealing with has a + * known structure and maps to fixed types. So, the data model was optimized + * for that rather than flexiblity here. + */ +class RT_DECL_CLASS RTCRestAnyObject : public RTCRestObjectBase +{ +public: + /** Default constructor. */ + RTCRestAnyObject() RT_NOEXCEPT; + /** Destructor. */ + virtual ~RTCRestAnyObject(); + + /** Copy constructor. */ + RTCRestAnyObject(RTCRestAnyObject const &a_rThat); + /** Copy assignment operator. */ + RTCRestAnyObject &operator=(RTCRestAnyObject const &a_rThat); + + /** Safe copy assignment method. */ + int assignCopy(RTCRestAnyObject const &a_rThat) RT_NOEXCEPT; + /** Safe copy assignment method, boolean variant. */ + int assignCopy(RTCRestBool const &a_rThat) RT_NOEXCEPT; + /** Safe copy assignment method, int64_t variant. */ + int assignCopy(RTCRestInt64 const &a_rThat) RT_NOEXCEPT; + /** Safe copy assignment method, int32_t variant. */ + int assignCopy(RTCRestInt32 const &a_rThat) RT_NOEXCEPT; + /** Safe copy assignment method, int16_t variant. */ + int assignCopy(RTCRestInt16 const &a_rThat) RT_NOEXCEPT; + /** Safe copy assignment method, double variant. */ + int assignCopy(RTCRestDouble const &a_rThat) RT_NOEXCEPT; + /** Safe copy assignment method, string variant. */ + int assignCopy(RTCRestString const &a_rThat) RT_NOEXCEPT; + /** Safe copy assignment method, array variant. */ + int assignCopy(RTCRestArray<RTCRestAnyObject> const &a_rThat) RT_NOEXCEPT; + /** Safe copy assignment method, string map variant. */ + int assignCopy(RTCRestStringMap<RTCRestAnyObject> const &a_rThat) RT_NOEXCEPT; + + /** Safe value assignment method, boolean variant. */ + int assignValue(bool a_fValue) RT_NOEXCEPT; + /** Safe value assignment method, int64_t variant. */ + int assignValue(int64_t a_iValue) RT_NOEXCEPT; + /** Safe value assignment method, int32_t variant. */ + int assignValue(int32_t a_iValue) RT_NOEXCEPT; + /** Safe value assignment method, int16_t variant. */ + int assignValue(int16_t a_iValue) RT_NOEXCEPT; + /** Safe value assignment method, double variant. */ + int assignValue(double a_iValue) RT_NOEXCEPT; + /** Safe value assignment method, string variant. */ + int assignValue(RTCString const &a_rValue) RT_NOEXCEPT; + /** Safe value assignment method, C-string variant. */ + int assignValue(const char *a_pszValue) RT_NOEXCEPT; + + /** Make a clone of this object. */ + inline RTCRestAnyObject *clone() const RT_NOEXCEPT { return (RTCRestAnyObject *)baseClone(); } + + /* Overridden methods: */ + virtual RTCRestObjectBase *baseClone() const RT_NOEXCEPT RT_OVERRIDE; + virtual int setNull(void) RT_NOEXCEPT RT_OVERRIDE; + virtual int resetToDefault() RT_NOEXCEPT RT_OVERRIDE; + virtual RTCRestOutputBase &serializeAsJson(RTCRestOutputBase &a_rDst) const RT_NOEXCEPT RT_OVERRIDE; + virtual int deserializeFromJson(RTCRestJsonCursor const &a_rCursor) RT_NOEXCEPT RT_OVERRIDE; + virtual int toString(RTCString *a_pDst, uint32_t a_fFlags = kCollectionFormat_Unspecified) const RT_NOEXCEPT RT_OVERRIDE; + virtual int fromString(RTCString const &a_rValue, const char *a_pszName, PRTERRINFO a_pErrInfo = NULL, + uint32_t a_fFlags = kCollectionFormat_Unspecified) RT_NOEXCEPT RT_OVERRIDE; + virtual kTypeClass typeClass(void) const RT_NOEXCEPT RT_OVERRIDE; + virtual const char *typeName(void) const RT_NOEXCEPT RT_OVERRIDE; + + /** Factory method. */ + static DECLCALLBACK(RTCRestObjectBase *) createInstance(void) RT_NOEXCEPT; + /** Deserialization w/ instantiation. */ + static FNDESERIALIZEINSTANCEFROMJSON deserializeInstanceFromJson; + +protected: + /** The data. */ + RTCRestObjectBase *m_pData; +}; + +/** @} */ + +#endif /* !IPRT_INCLUDED_cpp_restanyobject_h */ + |