| //===-- MICmdMgr.cpp --------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //++ |
| // File: MICmdMgr.cpp |
| // |
| // Overview: CMICmdMgr implementation. |
| // |
| // Environment: Compilers: Visual C++ 12. |
| // gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1 |
| // Libraries: See MIReadmetxt. |
| // |
| // Copyright: None. |
| //-- |
| |
| // In-house headers: |
| #include "MICmdMgr.h" |
| #include "MICmnResources.h" |
| #include "MICmnLog.h" |
| #include "MICmdInterpreter.h" |
| #include "MICmdFactory.h" |
| #include "MICmdInvoker.h" |
| #include "MICmdBase.h" |
| #include "MIUtilSingletonBase.h" |
| #include "MIUtilSingletonHelper.h" |
| |
| //++ ------------------------------------------------------------------------------------ |
| // Details: CMICmdMgr constructor. |
| // Type: Method. |
| // Args: None. |
| // Return: None. |
| // Throws: None. |
| //-- |
| CMICmdMgr::CMICmdMgr( void ) |
| : m_interpretor( CMICmdInterpreter::Instance() ) |
| , m_factory( CMICmdFactory::Instance() ) |
| , m_invoker( CMICmdInvoker::Instance() ) |
| { |
| } |
| |
| //++ ------------------------------------------------------------------------------------ |
| // Details: CMICmdMgr destructor. |
| // Type: Overridable. |
| // Args: None. |
| // Return: None. |
| // Throws: None. |
| //-- |
| CMICmdMgr::~CMICmdMgr( void ) |
| { |
| Shutdown(); |
| } |
| |
| //++ ------------------------------------------------------------------------------------ |
| // Details: Initialize resources for *this Command Manager. |
| // Type: Method. |
| // Args: None. |
| // Return: MIstatus::success - Functionality succeeded. |
| // MIstatus::failure - Functionality failed. |
| // Throws: None. |
| //-- |
| bool CMICmdMgr::Initialize( void ) |
| { |
| m_clientUsageRefCnt++; |
| |
| if( m_bInitialized ) |
| return MIstatus::success; |
| |
| bool bOk = MIstatus::success; |
| CMIUtilString errMsg; |
| |
| // Note initialization order is important here as some resources depend on previous |
| MI::ModuleInit< CMICmnLog > ( IDS_MI_INIT_ERR_LOG , bOk, errMsg ); |
| MI::ModuleInit< CMICmnResources >( IDS_MI_INIT_ERR_RESOURCES, bOk, errMsg ); |
| if( bOk && !m_interpretor.Initialize() ) |
| { |
| bOk = false; |
| errMsg = CMIUtilString::Format( MIRSRC( IDS_MI_INIT_ERR_CMDINTERPRETER ), m_interpretor.GetErrorDescription().c_str() ); |
| } |
| if( bOk && !m_factory.Initialize() ) |
| { |
| bOk = false; |
| errMsg = CMIUtilString::Format( MIRSRC( IDS_MI_INIT_ERR_CMDFACTORY ), m_factory.GetErrorDescription().c_str() ); |
| } |
| if( bOk && !m_invoker.Initialize() ) |
| { |
| bOk = false; |
| errMsg = CMIUtilString::Format( MIRSRC( IDS_MI_INIT_ERR_CMDINVOKER ), m_invoker.GetErrorDescription().c_str() ); |
| } |
| m_bInitialized = bOk; |
| |
| if( !bOk ) |
| { |
| CMIUtilString strInitError( CMIUtilString::Format( MIRSRC( IDS_MI_INIT_ERR_CMDMGR ), errMsg.c_str() ) ); |
| SetErrorDescription( strInitError ); |
| return MIstatus::failure; |
| } |
| |
| return MIstatus::success; |
| } |
| |
| //++ ------------------------------------------------------------------------------------ |
| // Details: Release resources for *this Command Manager. |
| // Type: Method. |
| // Args: None. |
| // Return: MIstatus::success - Functionality succeeded. |
| // MIstatus::failure - Functionality failed. |
| // Throws: None. |
| //-- |
| bool CMICmdMgr::Shutdown( void ) |
| { |
| if( --m_clientUsageRefCnt > 0 ) |
| return MIstatus::success; |
| |
| if( !m_bInitialized ) |
| return MIstatus::success; |
| |
| m_bInitialized = false; |
| |
| ClrErrorDescription(); |
| |
| bool bOk = MIstatus::success; |
| CMIUtilString errMsg; |
| |
| // Tidy up |
| m_setCmdDeleteCallback.clear(); |
| |
| // Note shutdown order is important here |
| if( !m_invoker.Shutdown() ) |
| { |
| bOk = false; |
| errMsg += CMIUtilString::Format( MIRSRC( IDS_MI_SHTDWN_ERR_CMDINVOKER ), m_invoker.GetErrorDescription().c_str() ); |
| } |
| if( !m_factory.Shutdown() ) |
| { |
| bOk = false; |
| if( !errMsg.empty() ) errMsg += ", "; |
| errMsg += CMIUtilString::Format( MIRSRC( IDS_MI_SHTDWN_ERR_CMDFACTORY ), m_factory.GetErrorDescription().c_str() ); |
| } |
| if( !m_interpretor.Shutdown() ) |
| { |
| bOk = false; |
| if( !errMsg.empty() ) errMsg += ", "; |
| errMsg += CMIUtilString::Format( MIRSRC( IDS_MI_SHTDWN_ERR_CMDINTERPRETER ), m_interpretor.GetErrorDescription().c_str() ); |
| } |
| MI::ModuleShutdown< CMICmnResources >( IDS_MI_INIT_ERR_RESOURCES, bOk, errMsg ); |
| MI::ModuleShutdown< CMICmnLog >( IDS_MI_INIT_ERR_LOG , bOk, errMsg ); |
| |
| if( !bOk ) |
| { |
| SetErrorDescriptionn( MIRSRC( IDS_MI_SHUTDOWN_ERR ), errMsg.c_str() ); |
| } |
| |
| return MIstatus::success; |
| } |
| |
| //++ ------------------------------------------------------------------------------------ |
| // Details: Establish whether the text data is an MI format type command. |
| // Type: Method. |
| // Args: vTextLine - (R) Text data to interpret. |
| // vwbYesValid - (W) True = MI type command, false = not recognised. |
| // vwbCmdNotInCmdFactor - (W) True = MI command not found in the command factor, false = recognised. |
| // Return: MIstatus::success - Functionality succeeded. |
| // MIstatus::failure - Functionality failed. |
| // Throws: None. |
| //-- |
| bool CMICmdMgr::CmdInterpret( const CMIUtilString & vTextLine, bool & vwbYesValid, bool & vwbCmdNotInCmdFactor, SMICmdData & rwCmdData ) |
| { |
| return m_interpretor.ValidateIsMi( vTextLine, vwbYesValid, vwbCmdNotInCmdFactor, rwCmdData ); |
| } |
| |
| //++ ------------------------------------------------------------------------------------ |
| // Details: Having previously had the potential command validated and found valid now |
| // get the command executed. |
| // If the Functionalityity returns MIstatus::failure call GetErrorDescription(). |
| // This function is used by the application's main thread. |
| // Type: Method. |
| // Args: vCmdData - (RW) Command meta data. |
| // Return: MIstatus::success - Functionality succeeded. |
| // MIstatus::failure - Functionality failed. |
| // Throws: None. |
| //-- |
| bool CMICmdMgr::CmdExecute( const SMICmdData & vCmdData ) |
| { |
| bool bOk = MIstatus::success; |
| |
| // Pass the command's meta data structure to the command |
| // so it can update it if required. (Need to copy it out of the |
| // command before the command is deleted) |
| CMICmdBase * pCmd = nullptr; |
| bOk = m_factory.CmdCreate( vCmdData.strMiCmd, vCmdData, pCmd ); |
| if( !bOk ) |
| { |
| const CMIUtilString errMsg( CMIUtilString::Format( MIRSRC( IDS_CMDMGR_ERR_CMD_FAILED_CREATE ), m_factory.GetErrorDescription().c_str() ) ); |
| SetErrorDescription( errMsg ); |
| return MIstatus::failure; |
| } |
| |
| bOk = m_invoker.CmdExecute( *pCmd ); |
| if( !bOk ) |
| { |
| const CMIUtilString errMsg( CMIUtilString::Format( MIRSRC( IDS_CMDMGR_ERR_CMD_INVOKER ), m_invoker.GetErrorDescription().c_str() ) ); |
| SetErrorDescription( errMsg ); |
| return MIstatus::failure; |
| } |
| |
| return bOk; |
| } |
| |
| //++ ------------------------------------------------------------------------------------ |
| // Details: Iterate all interested clients and tell them a command is being deleted. |
| // Type: Method. |
| // Args: vCmdData - (RW) The command to be deleted. |
| // Return: MIstatus::success - Functional succeeded. |
| // MIstatus::failure - Functional failed. |
| // Throws: None. |
| //-- |
| bool CMICmdMgr::CmdDelete( SMICmdData vCmdData ) |
| { |
| // Note vCmdData is a copy! The command holding its copy will be deleted soon |
| // we still need to iterate callback clients after a command object is deleted |
| |
| m_setCmdDeleteCallback.Delete( vCmdData ); |
| |
| return MIstatus::success; |
| } |
| |
| //++ ------------------------------------------------------------------------------------ |
| // Details: Register an object to be called when a command object is deleted. |
| // Type: Method. |
| // Args: vObject - (R) A new interested client. |
| // Return: MIstatus::success - Functional succeeded. |
| // MIstatus::failure - Functional failed. |
| // Throws: None. |
| //-- |
| bool CMICmdMgr::CmdRegisterForDeleteNotification( CMICmdMgrSetCmdDeleteCallback::ICallback & vObject ) |
| { |
| return m_setCmdDeleteCallback.Register( vObject ); |
| } |
| |
| //++ ------------------------------------------------------------------------------------ |
| // Details: Unregister an object from being called when a command object is deleted. |
| // Type: Method. |
| // Args: vObject - (R) The was interested client. |
| // Return: MIstatus::success - Functional succeeded. |
| // MIstatus::failure - Functional failed. |
| // Throws: None. |
| //-- |
| bool CMICmdMgr::CmdUnregisterForDeleteNotification( CMICmdMgrSetCmdDeleteCallback::ICallback & vObject ) |
| { |
| return m_setCmdDeleteCallback.Unregister( vObject ); |
| } |