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/*
dbx_tree: tree database driver for Miranda IM
Copyright 2007-2010 Michael "Protogenes" Kunz,
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 "DatabaseLink.h"
#ifndef _MSC_VER
#include "savestrings_gcc.h"
#endif
static int getCapability(int);
static int getFriendlyName(char*, size_t, int);
static int makeDatabase(char*, int*);
static int grokHeader(char*, int*);
static int Load(char*);
static int Unload(int);
DATABASELINK gDBLink = {
sizeof(DATABASELINK),
getCapability,
getFriendlyName,
makeDatabase,
grokHeader,
Load,
Unload,
};
HANDLE hSystemModulesLoaded = 0;
static int SystemModulesLoaded(WPARAM wParam, LPARAM lParam)
{
Update upd = {0,0,0,0,0,0,0,0,0,0,0,0,0};
upd.cbSize = sizeof(upd);
upd.szComponentName = gInternalName;
upd.szBetaVersionURL = "http://www-user.tu-chemnitz.de/~kunmi/?dbx_tree";
#ifdef _M_X64
upd.pbBetaVersionPrefix = (BYTE *)"<!-- Updater Beta x64: ";
upd.cpbBetaVersionPrefix = 23;
upd.szBetaUpdateURL = "http://www-user.tu-chemnitz.de/~kunmi/Downloads/dbx_tree64.zip";
#else
upd.pbBetaVersionPrefix = (BYTE *)"<!-- Updater Beta: ";
upd.cpbBetaVersionPrefix = 19;
upd.szBetaUpdateURL = "http://www-user.tu-chemnitz.de/~kunmi/Downloads/dbx_tree.zip";
#endif
upd.pbVersion = (BYTE*)gResVersionString;
upd.cpbVersion = sizeof(gResVersionString) - 1;
upd.szBetaChangelogURL = "http://www-user.tu-chemnitz.de/~kunmi/?dbx_tree=BetaLog&lang=en";
CallService(MS_UPDATE_REGISTER, 0, (LPARAM)&upd);
UnhookEvent(hSystemModulesLoaded);
hSystemModulesLoaded = 0;
return 0;
}
/*
returns what the driver can do given the flag
*/
static int getCapability(int flag)
{
return 0;
}
/*
buf: pointer to a string buffer
cch: length of buffer
shortName: if true, the driver should return a short but descriptive name, e.g. "3.xx profile"
Affect: The database plugin must return a "friendly name" into buf and not exceed cch bytes,
e.g. "Database driver for 3.xx profiles"
Returns: 0 on success, non zero on failure
*/
static int getFriendlyName(char* buf, size_t cch, int shortName)
{
if (shortName)
strncpy_s(buf, cch, gInternalName, strlen(gInternalName));
else
strncpy_s(buf, cch, gInternalNameLong, strlen(gInternalNameLong));
return 0;
}
/*
profile: pointer to a string which contains full path + name
Affect: The database plugin should create the profile, the filepath will not exist at
the time of this call, profile will be C:\..\<name>.dat
Note: Do not prompt the user in anyway about this operation.
Note: Do not initialise internal data structures at this point!
Returns: 0 on success, non zero on failure - error contains extended error information, see EMKPRF_*
*/
static int makeDatabase(char* profile, int* error)
{
if (gDataBase) delete gDataBase;
gDataBase = new CDataBase(profile);
*error = gDataBase->CreateDB();
return *error;
}
/*
profile: [in] a null terminated string to file path of selected profile
error: [in/out] pointer to an int to set with error if any
Affect: Ask the database plugin if it supports the given profile, if it does it will
return 0, if it doesnt return 1, with the error set in error -- EGROKPRF_* can be valid error
condition, most common error would be [EGROKPRF_UNKHEADER]
Note: Just because 1 is returned, doesnt mean the profile is not supported, the profile might be damaged
etc.
Returns: 0 on success, non zero on failure
*/
static int grokHeader(char* profile, int* error)
{
if (gDataBase) delete gDataBase;
gDataBase = new CDataBase(profile);
*error = gDataBase->CheckDB();
return *error;
}
/*
Affect: Tell the database to create all services/hooks that a 3.xx legecy database might support into link,
which is a PLUGINLINK structure
Returns: 0 on success, nonzero on failure
*/
static int Load(char* profile)
{
if (gDataBase) delete gDataBase;
gDataBase = new CDataBase(profile);
RegisterServices();
CompatibilityRegister();
hSystemModulesLoaded = HookEvent(ME_SYSTEM_MODULESLOADED, SystemModulesLoaded);
return gDataBase->OpenDB();
}
/*
Affect: The database plugin should shutdown, unloading things from the core and freeing internal structures
Returns: 0 on success, nonzero on failure
Note: Unload() might be called even if Load(void) was never called, wasLoaded is set to 1 if Load(void) was ever called.
*/
static int Unload(int wasLoaded)
{
if (gDataBase)
delete gDataBase;
gDataBase = NULL;
return 0;
}
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