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Diffstat (limited to 'tools/lldb-mi/MIUtilMapIdToVariant.h')
-rw-r--r-- | tools/lldb-mi/MIUtilMapIdToVariant.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/tools/lldb-mi/MIUtilMapIdToVariant.h b/tools/lldb-mi/MIUtilMapIdToVariant.h new file mode 100644 index 000000000000..9570bfa0306f --- /dev/null +++ b/tools/lldb-mi/MIUtilMapIdToVariant.h @@ -0,0 +1,148 @@ +//===-- 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; +} |