diff options
Diffstat (limited to 'plugins/Dbx_mmap_SA/Dbtool/contactchain.cpp')
| -rw-r--r-- | plugins/Dbx_mmap_SA/Dbtool/contactchain.cpp | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/plugins/Dbx_mmap_SA/Dbtool/contactchain.cpp b/plugins/Dbx_mmap_SA/Dbtool/contactchain.cpp new file mode 100644 index 0000000000..dd6d50556b --- /dev/null +++ b/plugins/Dbx_mmap_SA/Dbtool/contactchain.cpp @@ -0,0 +1,105 @@ +/*
+Miranda Database Tool
+Copyright (C) 2001-2005 Richard Hughes
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+#include "dbtool.h"
+
+int WorkSettingsChain(DWORD ofsContact,DBContact *dbc,int firstTime);
+int WorkEventChain(DWORD ofsContact,DBContact *dbc,int firstTime);
+
+static DWORD ofsThisContact,ofsDestPrevContact;
+static DWORD contactCount;
+static DWORD ofsDestThis,ofsNextContact;
+static int phase;
+static DBContact dbc;
+
+static void FinishUp(void)
+{
+ if(contactCount!=dbhdr.contactCount)
+ AddToStatus(STATUS_WARNING,TranslateT("Contact count marked wrongly: correcting"));
+ dbhdr.contactCount=contactCount;
+}
+
+int WorkContactChain(int firstTime)
+{
+ int first=0;
+
+ if(firstTime) {
+ AddToStatus(STATUS_MESSAGE,TranslateT("Processing contact chain"));
+ ofsDestPrevContact=0;
+ ofsThisContact=dbhdr.ofsFirstContact;
+ contactCount=0;
+ dbhdr.ofsFirstContact=0;
+ phase=0;
+ }
+
+ switch(phase) {
+ int ret;
+ case 0:
+ if(ofsThisContact==0) {
+ FinishUp();
+ return ERROR_NO_MORE_ITEMS;
+ }
+ if(!SignatureValid(ofsThisContact,DBCONTACT_SIGNATURE)) {
+ AddToStatus(STATUS_ERROR,TranslateT("Contact chain corrupted, further entries ignored"));
+ FinishUp();
+ return ERROR_NO_MORE_ITEMS;
+ }
+ if(ReadSegment(ofsThisContact,&dbc,sizeof(dbc))!=ERROR_SUCCESS) {
+ FinishUp();
+ return ERROR_NO_MORE_ITEMS;
+ }
+ ofsNextContact=dbc.ofsNext;
+ dbc.ofsNext=0;
+ if (!opts.bCheckOnly) {
+ if((ofsDestThis=WriteSegment(WSOFS_END,&dbc,sizeof(dbc)))==WS_ERROR)
+ return ERROR_HANDLE_DISK_FULL;
+ if(ofsDestPrevContact)
+ WriteSegment(ofsDestPrevContact+offsetof(DBContact,ofsNext),&ofsDestThis,sizeof(DWORD));
+ else
+ dbhdr.ofsFirstContact=ofsDestThis;
+ } else
+ ofsDestThis = ofsThisContact; // needed in event chain worker
+ contactCount++;
+ phase++; first=1;
+ //fall thru
+ case 1:
+ ret=WorkSettingsChain(ofsDestThis,&dbc,first);
+ if(ret==ERROR_NO_MORE_ITEMS) {
+ phase++; first=1;
+ }
+ else if(ret) return ret;
+ else break;
+ //fall thru
+ case 2:
+ ret=WorkEventChain(ofsDestThis,&dbc,first);
+ if(ret==ERROR_NO_MORE_ITEMS) {
+ phase++; first=1;
+ }
+ else if(ret) return ret;
+ else break;
+ //fall thru
+ case 3:
+ if(WriteSegment(ofsDestThis,&dbc,sizeof(DBContact))==WS_ERROR)
+ return ERROR_HANDLE_DISK_FULL;
+ ofsDestPrevContact=ofsDestThis;
+ ofsThisContact=ofsNextContact;
+ phase=0;
+ break;
+ }
+ return ERROR_SUCCESS;
+}
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