| -rw-r--r-- | libopie2/opiedb/osqlitedriver.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libopie2/opiedb/osqlitedriver.cpp b/libopie2/opiedb/osqlitedriver.cpp index 2c53248..eea1093 100644 --- a/libopie2/opiedb/osqlitedriver.cpp +++ b/libopie2/opiedb/osqlitedriver.cpp @@ -1,191 +1,221 @@ /* This file is part of the Opie Project =. .=l. .>+-= _;:, .> :=|. This program is free software; you can .> <`_, > . <= redistribute it and/or modify it under :`=1 )Y*s>-.-- : the terms of the GNU Library General Public .="- .-=="i, .._ License as published by the Free Software - . .-<_> .<> Foundation; either version 2 of the License, ._= =} : or (at your option) any later version. .%`+i> _;_. .i_,=:_. -<s. 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 ..}^=.= = ; Library General Public License for more ++= -. .` .: details. : = ...= . :.=- -. .:....=;==+<; You should have received a copy of the GNU -_. . . )=. = Library General Public License along with -- :-=` this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "osqlquery.h" #include "osqlitedriver.h" #include <opie2/odebug.h> #include <stdlib.h> +#include <regex.h> +#include <stdio.h> // fromLocal8Bit() does not work as expected. Thus it // is replaced by fromLatin1() (eilers) #define __BUGGY_LOCAL8BIT_ using namespace Opie::DB; using namespace Opie::DB::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){ + regex_t regex; + int res; + if ( zPattern==NULL || zString==NULL ) { + printf("One of the args was null!\n"); + return 0; + } + res = regcomp(®ex, zPattern, REG_EXTENDED); + if ( res != 0 ) { + printf("Regcomp failed with code %u on string %s\n",res,zPattern); + + return 0; + } + res = (regexec(®ex, zString, 0, NULL, 0)==0); + regfree(®ex); + return res; +} + +void rlikeFunc(sqlite_func *context, int arg, const char **argv){ + if( argv[0]==0 || argv[1]==0 ) return; + sqlite_set_result_int(context, + sqliteRlikeCompare((const char*)argv[0], + (const char*)argv[1])); +} /* * try to open a db specified via setUrl * and options */ bool OSQLiteDriver::open() { char *error; 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",2,rlikeFunc,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; 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"); 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 ); } |