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// ****************************************************************************
// copyright (c) 2000-2005 Horst Knorr <hk_classes@knoda.org>
// This file is part of the hk_sqliteclasses library.
// This file may be distributed and/or modified under the terms of the
// GNU Library Public License version 2 as published by the Free Software
// Foundation and appearing in the file COPYING included in the
// packaging of this file.
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
// ****************************************************************************
#include <hk_sqliteconnection.h>
#include <hk_sqlitedatabase.h>
#include <dlfcn.h>
#include <dirent.h>
#include <sys/stat.h>
#include <unistd.h>
#ifdef HAVE_SSTREAM
#include <sstream>
#else
#include <strstream.h>
#endif
#include "hk_drivermanager.h"
#include "hk_actionquery.h"
#include "hk_url.h"
hk_sqliteconnection::hk_sqliteconnection(hk_drivermanager* c):hk_connection(c)
{
#ifdef HK_DEBUG
hkdebug("hk_sqliteconnection::hk_sqliteconnection");
#endif
/*p_SQL_Connection=NULL;
set_tcp_port(default_tcp_port());*/
}
hk_sqliteconnection::~hk_sqliteconnection()
{
#ifdef HK_DEBUG
hkdebug("hk_sqliteconnection::~hk_sqliteconnection");
#endif
}
bool hk_sqliteconnection::driver_specific_connect()
{
#ifdef HK_DEBUG
hkdebug("hk_sqliteconnection::driver_specific_connect");
#endif
p_connected=true;
return true;
}
bool hk_sqliteconnection::driver_specific_disconnect()
{
#ifdef HK_DEBUG
hkdebug("hk_sqliteconnection::driver_specific_disconnect");
#endif
return true;
}
vector<hk_string>* hk_sqliteconnection::driver_specific_dblist(void)
{
#ifdef HK_DEBUG
hkdebug("hk_sqliteconnection::driver_specific_dblist");
#endif
DIR *dp;
struct dirent *entry;
hk_string datei;
hk_string fileend=".hk_sqlite";
p_databaselist.erase(p_databaselist.begin(),p_databaselist.end());
if ((dp=opendir(databasepath().c_str()))!=NULL)
{
while ((entry = readdir(dp))!=NULL)
{
datei=entry->d_name;
hk_string fname=databasepath()+"/"+datei;
struct stat statbuf;
stat(fname.c_str(),&statbuf);
if (S_ISREG(statbuf.st_mode))
{
size_t p =datei.find(fileend);
if (p<datei.size())
{
datei.replace(p,datei.size()-p,"");
p_databaselist.insert(p_databaselist.end(),datei);
}
}
}
closedir(dp);
}
sort(p_databaselist.begin(),p_databaselist.end());
return &p_databaselist;
}
hk_database* hk_sqliteconnection::driver_specific_new_database(void)
{
hk_sqlitedatabase* db;
db = new hk_sqlitedatabase(this);
return db;
}
bool hk_sqliteconnection::server_supports(support_enum t) const
{
switch (t)
{
case SUPPORTS_NEW_DATABASE:;
case SUPPORTS_DELETE_DATABASE:;
case SUPPORTS_NEW_TABLE:;
case SUPPORTS_DELETE_TABLE:;
case SUPPORTS_REFERENTIALINTEGRITY:;
case SUPPORTS_TRANSACTIONS:;
case SUPPORTS_SQL:;
case SUPPORTS_AUTOINCCOLUMN:;
case SUPPORTS_BOOLCOLUMN:;
case SUPPORTS_DATECOLUMN:;
case SUPPORTS_TIMECOLUMN:;
case SUPPORTS_DATETIMECOLUMN:;
//case SUPPORTS_BINARYCOLUMN:;
case SUPPORTS_MEMOCOLUMN:;
case SUPPORTS_TIMESTAMPCOLUMN:;
case SUPPORTS_LOCAL_FILEFORMAT:
case SUPPORTS_VIEWS:
case SUPPORTS_NEW_VIEW:
case SUPPORTS_ALTER_VIEW:
case SUPPORTS_DELETE_VIEW:
return true;
default : return false;
}
}
hk_string hk_sqliteconnection::drivername(void) const
{
return "sqlite2";
}
bool hk_sqliteconnection::server_needs(need_enum t) const
{
switch (t)
{
case NEEDS_NOTHING:
case NEEDS_NULL_TERMINATED_SQL:
return true;
default: return false;
}
}
bool hk_sqliteconnection::driver_specific_new_password(const hk_string& newpasswd)
{
#ifdef HK_DEBUG
hkdebug("hk_sqliteconnection::driver_specific_new_password");
#endif
return true;
}
void hk_sqliteconnection::servermessage(const hk_string& error)
{
set_last_servermessage(error);
}
unsigned int hk_sqliteconnection::default_tcp_port(void) const
{
return 3306;
}
bool hk_sqliteconnection::create_database(const hk_string& dbase)
{
if (database()==NULL) new_database();
if (database()==NULL||!is_connected()) return false;
driver_specific_dblist();
if (find(p_databaselist.begin(),p_databaselist.end(),dbase)!=p_databaselist.end())
return false;
char* errormsg=0;
hk_url url=dbase;
hk_string n=(url.directory().size()>0?dbase:databasepath()+"/"+dbase+".hk_sqlite");
ifstream ifs(n.c_str(),ios::in);
if (ifs)
{
//servermessage(hk_translate("Database already exists"));
return false;
}
sqlite* p_sqlitehandler=sqlite_open(n.c_str(),0,&errormsg);
if (!p_sqlitehandler && errormsg)
{
servermessage(errormsg);
sqlite_freemem(errormsg);
errormsg=0;
return false;
}
sqlite_close(p_sqlitehandler);
hk_database* db=driver_specific_new_database();
if (db)
{db->set_name(dbase);
db->create_centralstoragetable();
delete db;
}
return true;
}
bool hk_sqliteconnection::delete_database(const hk_string& dbase)
{
hk_string warning=hk_translate("Delete the database \"%DBNAME%\"?");
warning=replace_all("%DBNAME%",warning,dbase);
if(!show_yesnodialog(warning,true)) return false;
hk_url url=dbase;
hk_string filename=url.directory().size()>0?dbase:databasepath()+"/"+dbase+".hk_sqlite";
int r=unlink(filename.c_str());
return r==0;
}
//***********************************************************
hk_connection* create_connection(hk_drivermanager* cl)
{
return new hk_sqliteconnection(cl);
}
hk_string hk_classesversion(void)
{
return (hk_string)HK_VERSION;
}
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