Added dbPrepareString

Author: ccw808

MTA10_Server/mods/deathmatch/logic/CDatabaseManager.cpp

@@ -34,6 +34,7 @@ class CDatabaseManagerImpl : public CDatabaseManager
     virtual void                    DoPulse                     ( void );
     virtual SConnectionHandle       Connect                     ( const SString& strType, const SString& strHost, const SString& strUsername, const SString& strPassword, const SString& strOptions );
     virtual bool                    Disconnect                  ( SConnectionHandle hConnection );
+    virtual SString                 PrepareString               ( SConnectionHandle hConnection, const SString& strQuery, CLuaArguments* pArgs );
     virtual CDbJobData*             Exec                        ( SConnectionHandle hConnection, const SString& strQuery, CLuaArguments* pArgs );
     virtual CDbJobData*             Execf                       ( SConnectionHandle hConnection, const char* szQuery, ... );
     virtual CDbJobData*             QueryStart                  ( SConnectionHandle hConnection, const SString& strQuery, CLuaArguments* pArgs );
@@ -183,6 +184,29 @@ bool CDatabaseManagerImpl::Disconnect ( uint hConnection )
 }
 
 
+///////////////////////////////////////////////////////////////
+//
+// CDatabaseManagerImpl::PrepareString
+//
+// Safely insert supplied arguments into string
+//
+///////////////////////////////////////////////////////////////
+SString CDatabaseManagerImpl::PrepareString ( SConnectionHandle hConnection, const SString& strQuery, CLuaArguments* pArgs )
+{
+    ClearLastErrorMessage ();
+
+    // Check connection
+    if ( !MapContains ( m_ConnectionTypeMap, hConnection ) )
+    {
+        SetLastErrorMessage ( "Invalid connection" );
+        return NULL;
+    }
+
+    // Insert arguments with correct escapement
+    return InsertQueryArguments ( hConnection, strQuery, pArgs );
+}
+
+
 ///////////////////////////////////////////////////////////////
 //
 // CDatabaseManagerImpl::Exec

MTA10_Server/mods/deathmatch/logic/CDatabaseManager.h

@@ -148,6 +148,7 @@ class CDatabaseManager
     virtual void                    DoPulse                 ( void ) = 0;
     virtual SConnectionHandle       Connect                 ( const SString& strType, const SString& strHost, const SString& strUsername = "", const SString& strPassword = "", const SString& strOptions = "" ) = 0;
     virtual bool                    Disconnect              ( SConnectionHandle hConnection ) = 0;
+    virtual SString                 PrepareString           ( SConnectionHandle hConnection, const SString& strQuery, CLuaArguments* pArgs ) = 0;
     virtual CDbJobData*             Exec                    ( SConnectionHandle hConnection, const SString& strQuery, CLuaArguments* pArgs ) = 0;
     virtual CDbJobData*             Execf                   ( SConnectionHandle hConnection, const char* szQuery, ... ) = 0;
     virtual CDbJobData*             QueryStart              ( SConnectionHandle hConnection, const SString& strQuery, CLuaArguments* pArgs ) = 0;

MTA10_Server/mods/deathmatch/logic/CResourceChecker.Data.h

@@ -243,6 +243,7 @@ namespace
                                          { "setElementCallPropagationEnabled",  "1.3.5-9.06118" },
                                          { "isElementCallPropagationEnabled",   "1.3.5-9.06118" },
                                          { "resendPlayerACInfo",        "1.5.1-9.07633" },
+                                         { "dbPrepareString",           "1.5.2" },
                                         };
 
 

MTA10_Server/mods/deathmatch/logic/luadefs/CLuaDatabaseDefs.cpp

@@ -18,6 +18,7 @@ void CLuaDatabaseDefs::LoadFunctions ()
     CLuaCFunctions::AddFunction ( "dbQuery", DbQuery );
     CLuaCFunctions::AddFunction ( "dbFree", DbFree );
     CLuaCFunctions::AddFunction ( "dbPoll", DbPoll );
+    CLuaCFunctions::AddFunction ( "dbPrepareString", DbPrepareString );
 
     CLuaCFunctions::AddFunction ( "executeSQLCreateTable", ExecuteSQLCreateTable );
     CLuaCFunctions::AddFunction ( "executeSQLDropTable", ExecuteSQLDropTable );
@@ -590,6 +591,36 @@ int CLuaDatabaseDefs::DbPoll ( lua_State* luaVM )
 }
 
 
+int CLuaDatabaseDefs::DbPrepareString ( lua_State* luaVM )
+{
+    //  string dbPrepareString ( element connection, string query, ... )
+    CDatabaseConnectionElement* pElement; SString strQuery; CLuaArguments Args;
+
+    CScriptArgReader argStream ( luaVM );
+    argStream.ReadUserData ( pElement );
+    argStream.ReadString ( strQuery );
+    argStream.ReadLuaArguments ( Args );
+
+    if ( !argStream.HasErrors () )
+    {
+        SString strResult = g_pGame->GetDatabaseManager ()->PrepareString ( pElement->GetConnectionHandle (), strQuery, &Args );
+        SString strError = g_pGame->GetDatabaseManager ()->GetLastErrorMessage ();
+        if ( !strResult.empty () || strError.empty () )
+        {
+            lua_pushstring ( luaVM, strResult );
+            return 1;
+        }
+        if ( !g_pGame->GetDatabaseManager ()->IsLastErrorSuppressed () )
+            argStream.SetCustomError ( strError );
+    }
+    if ( argStream.HasErrors () )
+        m_pScriptDebugging->LogCustom ( luaVM, argStream.GetFullErrorMessage () );
+
+    lua_pushboolean ( luaVM, false );
+    return 1;
+}
+
+
 int CLuaDatabaseDefs::ExecuteSQLQuery ( lua_State* luaVM )
 {
     SString strQuery;

MTA10_Server/mods/deathmatch/logic/luadefs/CLuaDatabaseDefs.h

@@ -27,6 +27,7 @@ class CLuaDatabaseDefs : public CLuaDefs
     LUA_DECLARE_OOP ( DbQuery );
     LUA_DECLARE ( DbFree );
     LUA_DECLARE ( DbPoll );
+    LUA_DECLARE ( DbPrepareString );
 
     LUA_DECLARE ( ExecuteSQLCreateTable );
     LUA_DECLARE ( ExecuteSQLDropTable );