84 lines
1.8 KiB
C++
84 lines
1.8 KiB
C++
#include "IntNode.h"
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#include "PackStream.h"
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#include "IntDiff.h"
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#include "Logs.h"
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#include <sstream>
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#include <cassert>
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IntNode::IntNode(DefinitionNode* parent, const std::string &name, int value):
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DefinitionNode(parent, name, "int"), value(value)
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{
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}
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std::string IntNode::toString(int indent) const
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{
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std::ostringstream stream;
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stream << DefinitionNode::toString(indent) << " " << value;
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return stream.str();
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}
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void IntNode::save(PackStream *stream) const
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{
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stream->write(&value);
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}
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void IntNode::load(PackStream *stream)
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{
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stream->read(&value);
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}
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void IntNode::copy(DefinitionNode *destination) const
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{
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if (destination->getTypeName() == getTypeName())
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{
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((IntNode *)destination)->value = value;
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}
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else
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{
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Logs::error() << "Can't copy from " << getTypeName() << " to " << destination->getTypeName() << std::endl;
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}
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}
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void IntNode::setValue(int new_value)
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{
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addDiff(produceDiff(new_value));
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}
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const IntDiff *IntNode::produceDiff(int new_value) const
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{
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return new IntDiff(this, value, new_value);
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}
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void IntNode::generateInitDiffs(std::vector<const DefinitionDiff *> *diffs) const
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{
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diffs->push_back(produceDiff(value));
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}
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bool IntNode::applyDiff(const DefinitionDiff *diff, bool backward)
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{
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if (!DefinitionNode::applyDiff(diff, backward))
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{
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return false;
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}
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assert(diff->getTypeName() == "int");
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const IntDiff *int_diff = (const IntDiff *)diff;
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double previous = backward ? int_diff->getNewValue() : int_diff->getOldValue();
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double next = backward ? int_diff->getOldValue() : int_diff->getNewValue();
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if (value == previous)
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{
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value = next;
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return true;
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}
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else
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{
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Logs::error() << "Can't apply int diff " << previous << " => " << next << " to " << getName() << std::endl;
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return false;
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}
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}
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