| //===-- MIUtilMapIdToVariant.h ----------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //++ |
| // File: MIUtilMapIdToVariant.h |
| // |
| // Overview: CMIUtilMapIdToVariant interface. |
| // |
| // Environment: Compilers: Visual C++ 12. |
| // gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1 |
| // Libraries: See MIReadmetxt. |
| // |
| // Copyright: None. |
| //-- |
| |
| #pragma once |
| |
| // Third party headers: |
| #include <map> |
| |
| // In-house headers: |
| #include "MICmnBase.h" |
| #include "MICmnResources.h" |
| #include "MIUtilString.h" |
| #include "MIUtilVariant.h" |
| |
| //++ ============================================================================ |
| // Details: MI common code utility class. Map type container that hold general |
| // object types (by being wrappin an variant wrapper) |
| // objects by ID. |
| // Gotchas: None. |
| // Authors: Illya Rudkin 19/06/2014. |
| // Changes: None. |
| //-- |
| class CMIUtilMapIdToVariant : public CMICmnBase |
| { |
| // Methods: |
| public: |
| /* ctor */ CMIUtilMapIdToVariant( void ); |
| |
| template< typename T > |
| bool Add( const CMIUtilString & vId, const T & vData ); |
| void Clear( void ); |
| template< typename T > |
| bool Get( const CMIUtilString & vId, T & vrwData, bool & vrwbFound ) const; |
| bool HaveAlready( const CMIUtilString & vId ) const; |
| bool IsEmpty( void ) const; |
| bool Remove( const CMIUtilString & vId ); |
| |
| // Overridden: |
| public: |
| // From CMICmnBase |
| /* dtor */ virtual ~CMIUtilMapIdToVariant( void ); |
| |
| // Typdefs: |
| private: |
| typedef std::map< CMIUtilString, CMIUtilVariant > MapKeyToVariantValue_t; |
| typedef std::pair< CMIUtilString, CMIUtilVariant > MapPairKeyToVariantValue_t; |
| |
| // Methods: |
| private: |
| bool IsValid( const CMIUtilString & vId ) const; |
| |
| // Attributes: |
| MapKeyToVariantValue_t m_mapKeyToVariantValue; |
| }; |
| |
| //++ ------------------------------------------------------------------------------------ |
| // Details: Add to *this container a data object of general type identified by an ID. |
| // If the data with that ID already exists in the container it is replace with |
| // the new data specified. |
| // Type: Method. |
| // Args: T - The data object's variable type. |
| // vId - (R) Unique ID i.e. GUID. |
| // vData - (R) The general data object to be stored of some type. |
| // Return: MIstatus::success - Functional succeeded. |
| // MIstatus::failure - Functional failed. |
| // Throws: None. |
| //-- |
| template< typename T > |
| bool CMIUtilMapIdToVariant::Add( const CMIUtilString & vId, const T & vData ) |
| { |
| if( !IsValid( vId ) ) |
| { |
| SetErrorDescription( CMIUtilString::Format( MIRSRC( IDS_VARIANT_ERR_MAP_KEY_INVALID ), vId.c_str() ) ); |
| return MIstatus::failure; |
| } |
| |
| const bool bOk = HaveAlready( vId ) ? Remove( vId ) : MIstatus::success; |
| if( bOk ) |
| { |
| CMIUtilVariant data; |
| data.Set< T >( vData ); |
| MapPairKeyToVariantValue_t pr( vId, data ); |
| m_mapKeyToVariantValue.insert( pr ); |
| } |
| |
| return bOk; |
| } |
| |
| //++ ------------------------------------------------------------------------------------ |
| // Details: Retrieve a data object from *this container identified by the specified ID. |
| // Type: Method. |
| // Args: T - The data object's variable type. |
| // vId - (R) Unique ID i.e. GUID. |
| // vrwData - (W) Copy of the data object held. |
| // vrwbFound - (W) True = data found, false = data not found. |
| // Return: MIstatus::success - Functional succeeded. |
| // MIstatus::failure - Functional failed. |
| // Throws: None. |
| //-- |
| template< typename T > |
| bool CMIUtilMapIdToVariant::Get( const CMIUtilString & vId, T & vrwData, bool & vrwbFound ) const |
| { |
| vrwbFound = false; |
| |
| if( !IsValid( vId ) ) |
| { |
| SetErrorDescription( CMIUtilString::Format( MIRSRC( IDS_VARIANT_ERR_MAP_KEY_INVALID ), vId.c_str() ) ); |
| return MIstatus::failure; |
| } |
| |
| const MapKeyToVariantValue_t::const_iterator it = m_mapKeyToVariantValue.find( vId ); |
| if( it != m_mapKeyToVariantValue.end() ) |
| { |
| const CMIUtilVariant & rData = (*it).second; |
| const T * pDataObj = rData.Get< T >(); |
| if( pDataObj != nullptr ) |
| { |
| vrwbFound = true; |
| vrwData = *pDataObj; |
| return MIstatus::success; |
| } |
| else |
| { |
| SetErrorDescription( MIRSRC( IDS_VARIANT_ERR_USED_BASECLASS ) ); |
| return MIstatus::failure; |
| } |
| } |
| |
| return MIstatus::success; |
| } |