1 //===-- MICmdMgrSetCmdDeleteCallback.cpp ------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // In-house headers:
11 #include "MICmdMgrSetCmdDeleteCallback.h"
12 
13 namespace CMICmdMgrSetCmdDeleteCallback {
14 
15 //++
16 //------------------------------------------------------------------------------------
17 // Details: CSetClients constructor.
18 // Type:    Method.
19 // Args:    None.
20 // Return:  None.
21 // Throws:  None.
22 //--
CSetClients()23 CSetClients::CSetClients() : m_bClientUnregistered(false) {}
24 
25 //++
26 //------------------------------------------------------------------------------------
27 // Details: CSetClients destructor.
28 // Type:    Method.
29 // Args:    None.
30 // Return:  None.
31 // Throws:  None.
32 //--
~CSetClients()33 CSetClients::~CSetClients() {}
34 
35 //++
36 //------------------------------------------------------------------------------------
37 // Details: Register an object to be called when a command object is deleted.
38 // Type:    Method.
39 // Args:    vObject - (R) A new interested client.
40 // Return:  MIstatus::success - Functional succeeded.
41 //          MIstatus::failure - Functional failed.
42 // Throws:  None.
43 //--
Register(ICallback & vObject)44 bool CSetClients::Register(ICallback &vObject) {
45   insert(&vObject);
46 
47   return MIstatus::success;
48 }
49 
50 //++
51 //------------------------------------------------------------------------------------
52 // Details: Unregister an object from being called when a command object is
53 // deleted.
54 // Type:    Method.
55 // Args:    vObject - (R) The was interested client.
56 // Return:  MIstatus::success - Functional succeeded.
57 //          MIstatus::failure - Functional failed.
58 // Throws:  None.
59 //--
Unregister(ICallback & vObject)60 bool CSetClients::Unregister(ICallback &vObject) {
61   m_bClientUnregistered = true;
62   erase(&vObject);
63 
64   return MIstatus::success;
65 }
66 
67 //++
68 //------------------------------------------------------------------------------------
69 // Details: Iterate all interested clients and tell them a command is being
70 // deleted.
71 // Type:    Method.
72 // Args:    vCmd    - (RW) The command to be deleted.
73 // Return:  MIstatus::success - Functional succeeded.
74 //          MIstatus::failure - Functional failed.
75 // Throws:  None.
76 //--
Delete(SMICmdData & vCmd)77 void CSetClients::Delete(SMICmdData &vCmd) {
78   m_bClientUnregistered = false; // Reset
79   iterator it = begin();
80   while (it != end()) {
81     ICallback *pObj = *it;
82     pObj->Delete(vCmd);
83 
84     if (m_bClientUnregistered) {
85       m_bClientUnregistered = false; // Reset
86       it = begin();
87     } else
88       // Next
89       ++it;
90   }
91 }
92 
93 } // namespace CMICmdMgrSetCmdDeleteCallback
94