-rw-r--r-- | libopie2/opiedb/osqlitedriver.cpp | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/libopie2/opiedb/osqlitedriver.cpp b/libopie2/opiedb/osqlitedriver.cpp index ccac2f8..588fc8f 100644 --- a/libopie2/opiedb/osqlitedriver.cpp +++ b/libopie2/opiedb/osqlitedriver.cpp @@ -27,207 +27,212 @@ Boston, MA 02111-1307, USA. */ #include "osqlquery.h" #include "osqlitedriver.h" #include <opie2/odebug.h> #include <stdlib.h> #include <stdio.h> // fromLocal8Bit() does not work as expected. Thus it // is replaced by fromLatin1() (eilers) #define __BUGGY_LOCAL8BIT_ namespace Opie { namespace DB { namespace Internal { namespace { struct Query { OSQLError::ValueList errors; OSQLResultItem::ValueList items; OSQLiteDriver *driver; }; } OSQLiteDriver::OSQLiteDriver( QLibrary *lib ) : OSQLDriver( lib ) { m_sqlite = 0l; } OSQLiteDriver::~OSQLiteDriver() { close(); } QString OSQLiteDriver::id()const { return QString::fromLatin1("SQLite"); } void OSQLiteDriver::setUserName( const QString& ) {} void OSQLiteDriver::setPassword( const QString& ) {} void OSQLiteDriver::setUrl( const QString& url ) { m_url = url; } void OSQLiteDriver::setOptions( const QStringList& ) { } /* * Functions to patch a regex search into sqlite */ int sqliteRlikeCompare(const char *zPattern, const char *zString, sqregex *reg){ int res; - if (reg->regex_raw == NULL || (strcmp (zPattern, reg->regex_raw) != 0)){ if (reg->regex_raw != NULL) { free(reg->regex_raw); regfree(®->regex_c); } reg->regex_raw = (char *)malloc(strlen(zPattern)+1); strncpy(reg->regex_raw, zPattern, strlen(zPattern)+1); res = regcomp(®->regex_c, zPattern, REG_EXTENDED); if ( res != 0 ) { printf("Regcomp failed with code %u on string %s\n",res,zPattern); free(reg->regex_raw); reg->regex_raw=NULL; return 0; } } res = (regexec(®->regex_c, zString, 0, NULL, 0)==0); return res; } void rlikeFunc(sqlite_func *context, int arg, const char **argv){ - if( argv[0]==0 || argv[1]==0 || argv[2]==0){ + if( argv[0]==0 || argv[1]==0 ){ printf("One of arguments Null!!\n"); return; } sqlite_set_result_int(context, sqliteRlikeCompare((const char*)argv[0], - (const char*)argv[1], (sqregex*)argv[2])); + (const char*)argv[1], (sqregex *)sqlite_user_data(context) )); } /* * try to open a db specified via setUrl * and options */ bool OSQLiteDriver::open() { char *error; - qDebug("OSQLiteDriver::open: about to open"); + + qDebug("OSQLiteDriver::open: about to open"); m_sqlite = sqlite_open(m_url.local8Bit(), 0, &error ); /* failed to open */ if (m_sqlite == 0l ) { // FIXME set the last error qWarning("OSQLiteDriver::open: %s", error ); free( error ); return false; } - sqlite_create_function(m_sqlite,"rlike",3,rlikeFunc,&sqreg); + if (sqlite_create_function(m_sqlite,"rlike",2,rlikeFunc,&sqreg) != 0) + odebug << "Unable to create user defined function!" << oendl; + if (sqlite_function_type(m_sqlite,"rlike",SQLITE_NUMERIC) != 0) + odebug << "Unable to set rlike function result type!" << oendl; + sqreg.regex_raw = NULL; return true; } /* close the db * sqlite closes them without * telling failure or success */ bool OSQLiteDriver::close() { if (m_sqlite ) sqlite_close( m_sqlite ), m_sqlite=0l; if (sqreg.regex_raw != NULL){ - free(sqreg.regex_raw); + odebug << "Freeing regex on close" << oendl; + free(sqreg.regex_raw); sqreg.regex_raw=NULL; regfree(&sqreg.regex_c); } return true; } /* Query */ OSQLResult OSQLiteDriver::query( OSQLQuery* qu) { if ( !m_sqlite ) { // FIXME set error code OSQLResult result( OSQLResult::Failure ); return result; } Query query; query.driver = this; char *err; /* SQLITE_OK 0 if return code > 0 == failure */ if ( sqlite_exec(m_sqlite, qu->query(),&call_back, &query, &err) > 0 ) { - qWarning("OSQLiteDriver::query: Error while executing"); + qWarning("OSQLiteDriver::query: Error while executing %s",err); free(err ); // FixMe Errors } OSQLResult result(OSQLResult::Success, query.items, query.errors ); return result; } OSQLTable::ValueList OSQLiteDriver::tables() const { } OSQLError OSQLiteDriver::lastError() { OSQLError error; return error; }; /* handle a callback add the row to the global * OSQLResultItem */ int OSQLiteDriver::handleCallBack( int, char**, char** ) { return 0; } /* callback_handler add the values to the list*/ int OSQLiteDriver::call_back( void* voi, int argc, char** argv, char** columns) { Query* qu = (Query*)voi; //copy them over to a OSQLResultItem QMap<QString, QString> tableString; QMap<int, QString> tableInt; for (int i = 0; i < argc; i++ ) { #ifdef __BUGGY_LOCAL8BIT_ tableInt.insert( i, QString::fromLatin1( argv[i] ) ); tableString.insert( QString::fromLatin1( columns[i] ), QString::fromLatin1( argv[i] ) ); #else tableInt.insert( i, QString::fromLocal8Bit( argv[i] ) ); tableString.insert( QString::fromLocal8Bit( columns[i] ), QString::fromLocal8Bit( argv[i] ) ); #endif } OSQLResultItem item( tableString, tableInt ); qu->items.append( item ); return ((Query*)voi)->driver->handleCallBack( argc, argv, columns ); } }}} // namespace OPIE::DB::Internal |