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path: root/libopie2/opiedb/osqlitedriver.cpp
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-rw-r--r--libopie2/opiedb/osqlitedriver.cpp19
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(&reg->regex_c);
}
reg->regex_raw = (char *)malloc(strlen(zPattern)+1);
strncpy(reg->regex_raw, zPattern, strlen(zPattern)+1);
res = regcomp(&reg->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(&reg->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