added getstringarray to luavm layer

1 files changed, 28 insertions, 0 deletions

diff --git a/src/libluaglue/LuaVM.cpp b/src/libluaglue/LuaVM.cpp
index 637f668..04027af 100644
--- a/src/libluaglue/LuaVM.cpp
+++ b/src/libluaglue/LuaVM.cpp
@@ -273,3 +273,31 @@ bool LuaVM::getBoolean( const string &key )
 	
 	return res;
 }
+
+vector<string> LuaVM::getStringArray( const string &key )
+{
+	vector<string> res;
+	
+	int n = findValue( key );
+	
+	if( !lua_istable( m_lua, -1 ) ) {
+		lua_pop( m_lua, n );
+		ostringstream ss;
+		ss << "key '" << key << "' refers not to a table";
+		throw runtime_error( ss.str( ) );
+	}
+	
+	//dumpStack( );
+	
+	lua_pushvalue( m_lua, -1 );
+	lua_pushnil( m_lua );
+	while( lua_next( m_lua, -2 ) ) {
+		res.push_back( lua_tostring( m_lua, -1 ) );
+		lua_pop( m_lua, 1 );
+	}
+	lua_pop( m_lua, 1 );
+		
+	lua_pop( m_lua, n );
+	
+	return res;
+}