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////////////////////////////////////////////////////////////////////////
// Copyright (c) Nehmulos 2011-2014
// This file is part of N0 Strain Serialization Library.
//
// N0Strain-Serialization-Library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// N0Strain-Serialization-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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with N0Strain-Serialization-Library. If not, see https://gnu.org/licenses/lgpl-3.0
////////////////////////////////////////////////////////////////////////
#include "Describer.h"
#include "PointerCollector.h"
namespace nw {
Describer::Describer() {
}
DescribedObject* (*Describer::createObjectForClassId)(ClassId) = NULL;
String Describer::encodingUsed = N0Slib_BinaryToTextEncoding_Default;
void Describer::setPointers(const PointerCollector& pc) {
this->unhandledPointers = pc.unhandledPointers;
this->describePointers();
}
void Describer::describePointers()
{
bool hasPointers = false;
if(this->isInWriteMode())
{
if(unhandledPointers.empty())
return;
else
hasPointers = true;
}
push("N0Slib:Header");
this->describe("hasPointers", hasPointers);
if(hasPointers)
{
if(this->isInReadMode() && createObjectForClassId == NULL)
{
std::cout << "\n\n";
std::cout << "IMPORTANT WARNING: createObjectForClassId not set! Don't know what objects shall be created for the saved classIds\n";
std::cout << "Please set a creatObjectForClassId to a function that returns a new SerializedObject* for a given classId\n";
std::cout << "The program will probably crash now...\n";
}
describeArray("Pointers", "Pointer", unhandledPointers.size());
for (unsigned int i = 0; enterNextElement(i); ++i)
{
unsigned int id;
ClassId classId;
if(isInWriteMode())
{
if(unhandledPointers.at(i) != NULL)
{
id = i;
classId = unhandledPointers.at(i)->getClassId();
}
else
{
id = N0Slib_UndefinedPointerId;
}
}
describe("classId", classId);
describe("pId",id);
//TODO make the <id> tag work for xml, in xml the order is 2 important, or remove it
// will be transfered to handled
if(!isInWriteMode()) { unhandledPointers.push_back(Describer::createObjectForClassId(classId)); }
}
// if(!isInWriteMode()) { SerializedObject::addSerializedObjectsToBeginning(unhandledPointers); }
serializePointerData();
}
pop();
}
void Describer::serializePointerData()
{
handledPointers = unhandledPointers;
unhandledPointers.clear();
//TODO think about using iterators, compare them with indices
describeArray("PointerData", "Pointer", handledPointers.size());
for (unsigned int i = 0; this->enterNextElement(i); ++i)
{
if(handledPointers.at(i) != NULL)
{
int pid = i;
this->describe("pId", pid);
handledPointers.at(i)->describeObject(this);
}
}
}
Describer::~Describer() {
for (unsigned int i = 0; i < states.size(); ++i) {
delete states.at(i);
}
}
bool Describer::getBooleanState(String stateName)
{
for (unsigned int i = 0; i < states.size(); ++i)
{
if(states.at(i)->getName() == stateName)
{
return states.at(i)->getBooleanValue();
}
}
return false;
}
void Describer::setState(String stateName, bool value)
{
Tag* newTag = new Tag(stateName);
String stringValue;
std::stringstream ss;
ss << value;
ss >> stringValue;
newTag->setValue(stringValue);
states.push_back(newTag);
}
void Describer::setState(String stateName, void* value)
{
Tag* newTag = new Tag(stateName);
String stringValue;
std::stringstream ss;
ss << value;
ss >> stringValue;
newTag->setValue(stringValue);
states.push_back(newTag);
}
void Describer::getState(String stateName, void* pointerToPointer)
{
void** realPointer = (void**)pointerToPointer;
for (unsigned int i = 0; i < states.size(); ++i)
{
if(states.at(i)->getName() == stateName)
{
std::stringstream ss(states.at(i)->getValue());
ss >> *realPointer;
return;
}
}
}
bool Describer::hasState(String stateName)
{
for (unsigned int i = 0; i < states.size(); ++i)
{
if(states.at(i)->getName() == stateName)
{
return true;
}
}
return false;
}
DescribedObject* Describer::getSerializedObjectForId(unsigned int id)
{
if(id != N0Slib_UndefinedPointerId && id < handledPointers.size())
return handledPointers.at(id);
if(id != N0Slib_UndefinedPointerId)
std::cout << "Pointer not Found for id " << id << std::endl;
return NULL;
}
unsigned int Describer::getIDForSerializedObject(Pointer ref)
{
if(ref == NULL)
return N0Slib_UndefinedPointerId;
for (unsigned int i = 0; i < handledPointers.size(); ++i)
{
if(handledPointers.at(i) == ref)
{
return i;
}
}
std::cout << "Requested an id for an unkown pointer " << ref << std::endl;
return N0Slib_UndefinedPointerId; //not knowing, just null it; maybe I should register it
}
bool Describer::pointerIsKnown(DescribedObject* pointer)
{
unsigned int numberOfCollectedPointers = unhandledPointers.size();
for (unsigned int i = 0; i < numberOfCollectedPointers; ++i)
{
if(unhandledPointers.at(i) == pointer)
{
return true;
}
}
return false;
}
bool Describer::isInReadMode()
{
return !this->isInWriteMode();
}
bool Describer::isSilentCrawler()
{
return false;
}
bool Describer::conditionalPush(String tagname, bool condition)
{
if(this->isInWriteMode())
{
if(condition)
{
return push(tagname);
}
}
else
{
return push(tagname);
}
return false;
}
std::string Describer::getErrorMessage() {
return errorMessage.str();
}
} // namespace nw