App/Toponaming: Add original StringHasher

Also includes StringIDPy. This is realthunder's original code, it does not compile in the current codebase yet.

src/App/StringIDPyImp.cpp

@@ -0,0 +1,89 @@
+/****************************************************************************
+*   Copyright (c) 2018 Zheng Lei (realthunder) <realthunder.dev@gmail.com> *
+*                                                                          *
+*   This file is part of the FreeCAD CAx development system.               *
+*                                                                          *
+*   This library is free software; you can redistribute it and/or          *
+*   modify it under the terms of the GNU Library General Public            *
+*   License as published by the Free Software Foundation; either           *
+*   version 2 of the License, or (at your option) any later version.       *
+*                                                                          *
+*   This library  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 "PreCompiled.h"
+
+#include "StringHasher.h"
+
+#include "StringIDPy.h"
+#include "StringIDPy.cpp"
+
+using namespace App;
+
+// returns a string which represent the object e.g. when printed in python
+std::string StringIDPy::representation(void) const
+{
+   return getStringIDPtr()->toString(_index);
+}
+
+PyObject* StringIDPy::isSame(PyObject *args)
+{
+   PyObject *other;
+   if (!PyArg_ParseTuple(args, "O!", &StringIDPy::Type, &other)) {     // convert args: Python->C
+       return Py::new_reference_to(Py::False());
+   }
+   auto otherPy = static_cast<StringIDPy*>(other);
+   return Py::new_reference_to(Py::Boolean(
+       otherPy->getStringIDPtr() == this->getStringIDPtr()
+       && otherPy->_index == this->_index));
+}
+
+Py::Int StringIDPy::getValue(void) const {
+   return Py::Int(getStringIDPtr()->value());
+}
+
+Py::List StringIDPy::getRelated(void) const {
+   Py::List list;
+   for (auto &id : getStringIDPtr()->relatedIDs())
+       list.append(Py::Long(id.value()));
+   return list;
+}
+
+Py::String StringIDPy::getData(void) const {
+   return Py::String(getStringIDPtr()->dataToText(this->_index));
+}
+
+Py::Boolean StringIDPy::getIsBinary(void) const {
+   return Py::Boolean(getStringIDPtr()->isBinary());
+}
+
+Py::Boolean StringIDPy::getIsHashed(void) const {
+   return Py::Boolean(getStringIDPtr()->isHashed());
+}
+
+Py::Int StringIDPy::getIndex(void) const {
+   return Py::Int(this->_index);
+}
+
+void StringIDPy::setIndex(Py::Int index) {
+   this->_index = index;
+}
+
+PyObject *StringIDPy::getCustomAttributes(const char* /*attr*/) const
+{
+   return 0;
+}
+
+int StringIDPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
+{
+   return 0;
+}