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/*
Import plugin for Miranda NG
Copyright (c) 2012-18 Miranda NG team (https://miranda-ng.org)
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 "stdafx.h"
#include <memory>
#include <vector>
#define HEADER_STR "BHBF"
static int mc_makeDatabase(const wchar_t*)
{
return 1;
}
/////////////////////////////////////////////////////////////////////////////////////////
// CDbxMcontacts database driver, read-only
#pragma pack(push, 1)
struct MC_FileHeader
{
unsigned char signature[4];
unsigned char version;
unsigned char extraFlags;
unsigned short int reserved;
unsigned int codepage;
unsigned short int dataStart;
};
struct MC_MsgHeader
{
DWORD timestamp;
WORD eventType;
WORD flags;
};
#pragma pack(pop)
class CDbxMc : public MDatabaseCommon, public MZeroedObject
{
HANDLE m_hFile = INVALID_HANDLE_VALUE;
MC_FileHeader m_hdr;
std::vector<DWORD> m_events;
std::vector<DWORD>::iterator m_curr;
CMStringA readString()
{
CMStringA res;
char c;
DWORD dwRead;
while (ReadFile(m_hFile, &c, 1, &dwRead, 0)) {
if (c == 0)
break;
res.AppendChar(c);
}
return res;
}
public:
CDbxMc()
{}
~CDbxMc()
{
if (m_hFile != INVALID_HANDLE_VALUE)
::CloseHandle(m_hFile);
}
void Load()
{
MC_MsgHeader hdr;
while (true) {
DWORD dwPos = SetFilePointer(m_hFile, 0, 0, FILE_CURRENT), dwRead;
BOOL r = ReadFile(m_hFile, &hdr, sizeof(hdr), &dwRead, 0);
if (!r || dwPos < sizeof(hdr))
return;
readString();
m_events.push_back(dwPos);
}
}
int Open(const wchar_t *profile)
{
m_hFile = CreateFile(profile, GENERIC_READ, 0, 0, OPEN_ALWAYS, 0, 0);
if (m_hFile == INVALID_HANDLE_VALUE)
return EGROKPRF_CANTREAD;
DWORD dwRead;
BOOL r = ReadFile(m_hFile, &m_hdr, sizeof(m_hdr), &dwRead, nullptr);
if (!r)
return EGROKPRF_CANTREAD;
return memcmp(&m_hdr.signature, HEADER_STR, 4) ? EGROKPRF_UNKHEADER : EGROKPRF_NOERROR;
}
STDMETHODIMP_(BOOL) IsRelational(void) override { return FALSE; }
STDMETHODIMP_(void) SetCacheSafetyMode(BOOL) override {};
STDMETHODIMP_(LONG) GetContactCount(void) override
{
return 1;
}
STDMETHODIMP_(LONG) DeleteContact(MCONTACT) override { return 1; }
STDMETHODIMP_(MCONTACT) AddContact(void) override { return 0; }
STDMETHODIMP_(BOOL) IsDbContact(MCONTACT contactID) override { return contactID == 1; }
STDMETHODIMP_(LONG) GetContactSize(void) override { return sizeof(DBCachedContact); }
STDMETHODIMP_(LONG) GetEventCount(MCONTACT) override { return (LONG)m_events.size(); }
STDMETHODIMP_(MEVENT) AddEvent(MCONTACT, DBEVENTINFO*) override { return 0; }
STDMETHODIMP_(BOOL) DeleteEvent(MCONTACT, MEVENT) override { return 1; }
STDMETHODIMP_(LONG) GetBlobSize(MEVENT) override { return 0; }
STDMETHODIMP_(BOOL) GetEvent(MEVENT, DBEVENTINFO*) override { return 0; }
STDMETHODIMP_(BOOL) MarkEventRead(MCONTACT, MEVENT) override { return 1; }
STDMETHODIMP_(MCONTACT) GetEventContact(MEVENT) override { return 0; }
STDMETHODIMP_(MEVENT) FindFirstEvent(MCONTACT) override
{
m_curr = m_events.begin();
return *m_curr;
}
STDMETHODIMP_(MEVENT) FindNextEvent(MCONTACT, MEVENT) override
{
if (m_curr == m_events.end())
return 0;
++m_curr;
return *m_curr;
}
STDMETHODIMP_(MEVENT) FindLastEvent(MCONTACT) override
{
m_curr = m_events.end();
return *m_curr;
}
STDMETHODIMP_(MEVENT) FindPrevEvent(MCONTACT, MEVENT) override
{
if (m_curr == m_events.begin())
return 0;
--m_curr;
return *m_curr;
}
STDMETHODIMP_(MEVENT) FindFirstUnreadEvent(MCONTACT) override { return 0; }
STDMETHODIMP_(BOOL) EnumModuleNames(DBMODULEENUMPROC, void *) override { return 0; }
STDMETHODIMP_(BOOL) GetContactSettingWorker(MCONTACT, LPCSTR, LPCSTR, DBVARIANT*, int) override { return 1; }
STDMETHODIMP_(BOOL) WriteContactSetting(MCONTACT, DBCONTACTWRITESETTING*) override { return 1; }
STDMETHODIMP_(BOOL) DeleteContactSetting(MCONTACT, LPCSTR, LPCSTR) override { return 1; }
STDMETHODIMP_(BOOL) EnumContactSettings(MCONTACT, DBSETTINGENUMPROC, const char*, void*) override { return 1; }
STDMETHODIMP_(BOOL) MetaMergeHistory(DBCachedContact*, DBCachedContact*) override { return 1; }
STDMETHODIMP_(BOOL) MetaSplitHistory(DBCachedContact*, DBCachedContact*) override { return 1; }
};
static int mc_grokHeader(const wchar_t *profile)
{
return CDbxMc().Open(profile);
}
static MDatabaseCommon* mc_load(const wchar_t *profile, BOOL)
{
std::auto_ptr<CDbxMc> db(new CDbxMc());
if (db->Open(profile))
return nullptr;
db->Load();
return db.release();
}
static DATABASELINK dblink =
{
0,
"mcontacts",
L"mContacts file driver",
mc_makeDatabase,
mc_grokHeader,
mc_load
};
void RegisterMContacts()
{
RegisterDatabasePlugin(&dblink);
}
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