839 lines
26 KiB
C++
839 lines
26 KiB
C++
#include "dbchandler.h"
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#include <QFile>
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#include <QRegularExpression>
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#include <QDebug>
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#include <QMessageBox>
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#include <QFileDialog>
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#include "utility.h"
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DBC_SIGNAL* DBCSignalHandler::findSignalByIdx(int idx)
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{
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if (sigs.count() == 0) return NULL;
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if (idx < 0) return NULL;
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if (idx >= sigs.count()) return NULL;
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return &sigs[idx];
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}
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DBC_SIGNAL* DBCSignalHandler::findSignalByName(QString name)
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{
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if (sigs.count() == 0) return NULL;
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for (int i = 0; i < sigs.count(); i++)
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{
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if (sigs[i].name.compare(name, Qt::CaseInsensitive) == 0)
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{
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return &sigs[i];
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}
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}
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return NULL;
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}
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bool DBCSignalHandler::addSignal(DBC_SIGNAL &sig)
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{
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sigs.append(sig);
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return true;
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}
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bool DBCSignalHandler::removeSignal(DBC_SIGNAL *sig)
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{
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//if (sigs.removeAll(*sig) > 0) return true;
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return false;
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}
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bool DBCSignalHandler::removeSignal(int idx)
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{
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if (sigs.count() == 0) return false;
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if (idx < 0) return false;
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if (idx >= sigs.count()) return false;
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sigs.removeAt(idx);
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return true;
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}
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bool DBCSignalHandler::removeSignal(QString name)
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{
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bool foundSome = false;
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if (sigs.count() == 0) return false;
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for (int i = sigs.count() - 1; i >= 0; i--)
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{
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if (sigs[i].name.compare(name, Qt::CaseInsensitive) == 0)
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{
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sigs.removeAt(i);
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foundSome = true;
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}
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}
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return foundSome;
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}
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void DBCSignalHandler::removeAllSignals()
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{
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sigs.clear();
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}
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int DBCSignalHandler::getCount()
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{
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return sigs.count();
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}
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DBC_MESSAGE* DBCMessageHandler::findMsgByID(int id)
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{
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if (messages.count() == 0) return NULL;
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for (int i = 0; i < messages.count(); i++)
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{
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if (messages[i].ID == id)
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{
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return &messages[i];
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}
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}
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return NULL;
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}
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DBC_MESSAGE* DBCMessageHandler::findMsgByIdx(int idx)
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{
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if (messages.count() == 0) return NULL;
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if (idx < 0) return NULL;
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if (idx >= messages.count()) return NULL;
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return &messages[idx];
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}
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DBC_MESSAGE* DBCMessageHandler::findMsgByName(QString name)
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{
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if (messages.count() == 0) return NULL;
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for (int i = 0; i < messages.count(); i++)
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{
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if (messages[i].name.compare(name, Qt::CaseInsensitive) == 0)
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{
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return &messages[i];
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}
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}
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return NULL;
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}
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bool DBCMessageHandler::addMessage(DBC_MESSAGE &msg)
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{
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messages.append(msg);
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return true;
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}
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bool DBCMessageHandler::removeMessage(DBC_MESSAGE *msg)
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{
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//if (messages.removeAll(*msg) > 0) return true;
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return false;
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}
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bool DBCMessageHandler::removeMessageByIndex(int idx)
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{
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if (messages.count() == 0) return false;
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if (idx < 0) return false;
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if (idx >= messages.count()) return false;
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messages.removeAt(idx);
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return true;
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}
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bool DBCMessageHandler::removeMessage(int ID)
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{
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bool foundSome = false;
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if (messages.count() == 0) return false;
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for (int i = messages.count() - 1; i >= 0; i--)
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{
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if (messages[i].ID == ID)
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{
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messages.removeAt(i);
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foundSome = true;
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}
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}
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return foundSome;
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}
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bool DBCMessageHandler::removeMessage(QString name)
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{
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bool foundSome = false;
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if (messages.count() == 0) return false;
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for (int i = messages.count() - 1; i >= 0; i--)
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{
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if (messages[i].name.compare(name, Qt::CaseInsensitive) == 0)
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{
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messages.removeAt(i);
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foundSome = true;
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}
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}
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return foundSome;
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}
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void DBCMessageHandler::removeAllMessages()
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{
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messages.clear();
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}
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int DBCMessageHandler::getCount()
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{
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return messages.count();
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}
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DBCFile::DBCFile()
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{
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messageHandler = new DBCMessageHandler;
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}
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DBCFile::DBCFile(const DBCFile& cpy)
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{
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messageHandler = new DBCMessageHandler;
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for (int i = 0 ; i < cpy.messageHandler->getCount() ; i++)
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messageHandler->addMessage(*cpy.messageHandler->findMsgByIdx(i));
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fileName = cpy.fileName;
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filePath = cpy.filePath;
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assocBuses = cpy.assocBuses;
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dbc_nodes.clear();
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dbc_nodes.append(cpy.dbc_nodes);
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}
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DBCFile& DBCFile::operator=(const DBCFile& cpy)
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{
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if (this != &cpy) // protect against invalid self-assignment
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{
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messageHandler = cpy.messageHandler;
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fileName = cpy.fileName;
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filePath = cpy.filePath;
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assocBuses = cpy.assocBuses;
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dbc_nodes.clear();
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dbc_nodes.append(cpy.dbc_nodes);
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}
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return *this;
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}
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DBC_NODE* DBCFile::findNodeByIdx(int idx)
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{
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if (idx < 0) return NULL;
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if (idx >= dbc_nodes.count()) return NULL;
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return &dbc_nodes[idx];
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}
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DBC_NODE* DBCFile::findNodeByName(QString name)
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{
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if (dbc_nodes.length() == 0) return NULL;
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for (int i = 0; i < dbc_nodes.length(); i++)
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{
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if (dbc_nodes[i].name.compare(name, Qt::CaseInsensitive) == 0)
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{
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return &dbc_nodes[i];
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}
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}
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return NULL;
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}
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QString DBCFile::getFullFilename()
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{
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return filePath + fileName;
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}
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QString DBCFile::getFilename()
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{
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return fileName;
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}
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QString DBCFile::getPath()
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{
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return filePath;
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}
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int DBCFile::getAssocBus()
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{
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return assocBuses;
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}
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void DBCFile::setAssocBus(int bus)
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{
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if (bus < -1) return;
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if (bus > 1) return;
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assocBuses = bus;
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}
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void DBCFile::loadFile(QString fileName)
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{
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QFile *inFile = new QFile(fileName);
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QString line;
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QRegularExpression regex;
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QRegularExpressionMatch match;
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DBC_MESSAGE *currentMessage = NULL;
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int numSigFaults = 0, numMsgFaults = 0;
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qDebug() << "DBC File: " << fileName;
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if (!inFile->open(QIODevice::ReadOnly | QIODevice::Text))
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{
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delete inFile;
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return;
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}
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qDebug() << "Starting DBC load";
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dbc_nodes.clear();
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messageHandler->removeAllMessages();
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DBC_NODE falseNode;
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falseNode.name = "Vector__XXX";
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falseNode.comment = "Default node if none specified";
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dbc_nodes.append(falseNode);
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while (!inFile->atEnd()) {
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line = QString(inFile->readLine().simplified());
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if (line.startsWith("BO_ ")) //defines a message
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{
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qDebug() << "Found a BO line";
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regex.setPattern("^BO\\_ (\\w+) (\\w+) *: (\\w+) (\\w+)");
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match = regex.match(line);
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//captured 1 = the ID in decimal
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//captured 2 = The message name
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//captured 3 = the message length
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//captured 4 = the NODE responsible for this message
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if (match.hasMatch())
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{
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DBC_MESSAGE msg;
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msg.ID = match.captured(1).toInt(); //the ID is always stored in decimal format
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msg.name = match.captured(2);
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msg.len = match.captured(3).toInt();
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msg.sender = findNodeByName(match.captured(4));
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messageHandler->addMessage(msg);
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currentMessage = messageHandler->findMsgByID(msg.ID);
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}
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else numMsgFaults++;
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}
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if (line.startsWith("SG_ ")) //defines a signal
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{
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int offset = 0;
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bool isMultiplexor = false;
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bool isMultiplexed = false;
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DBC_SIGNAL sig;
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sig.multiplexValue = 0;
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sig.isMultiplexed = false;
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sig.isMultiplexor = false;
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qDebug() << "Found a SG line";
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regex.setPattern("^SG\\_ *(\\w+) *M *: *(\\d+)\\|(\\d+)@(\\d+)([\\+|\\-]) \\(([0-9.+\\-eE]+),([0-9.+\\-eE]+)\\) \\[([0-9.+\\-eE]+)\\|([0-9.+\\-eE]+)\\] \\\"(.*)\\\" (.*)");
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match = regex.match(line);
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if (match.hasMatch())
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{
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qDebug() << "Multiplexor signal";
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isMultiplexor = true;
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sig.isMultiplexor = true;
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}
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else
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{
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regex.setPattern("^SG\\_ *(\\w+) *m(\\d+) *: *(\\d+)\\|(\\d+)@(\\d+)([\\+|\\-]) \\(([0-9.+\\-eE]+),([0-9.+\\-eE]+)\\) \\[([0-9.+\\-eE]+)\\|([0-9.+\\-eE]+)\\] \\\"(.*)\\\" (.*)");
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match = regex.match(line);
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if (match.hasMatch())
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{
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qDebug() << "Multiplexed signal";
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isMultiplexed = true;
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sig.isMultiplexed = true;
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sig.multiplexValue = match.captured(2).toInt();
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offset = 1;
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}
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else
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{
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regex.setPattern("^SG\\_ *(\\w+) *: *(\\d+)\\|(\\d+)@(\\d+)([\\+|\\-]) \\(([0-9.+\\-eE]+),([0-9.+\\-eE]+)\\) \\[([0-9.+\\-eE]+)\\|([0-9.+\\-eE]+)\\] \\\"(.*)\\\" (.*)");
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match = regex.match(line);
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sig.isMultiplexed = false;
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sig.isMultiplexor = false;
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}
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}
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//captured 1 is the signal name
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//captured 2 would be multiplex value if this is a multiplex signal. Then offset the rest of these by 1
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//captured 2 is the starting bit
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//captured 3 is the length in bits
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//captured 4 is the byte order / value type
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//captured 5 specifies signed/unsigned for ints
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//captured 6 is the scaling factor
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//captured 7 is the offset
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//captured 8 is the minimum value
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//captured 9 is the maximum value
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//captured 10 is the unit
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//captured 11 is the receiving node
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if (match.hasMatch())
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{
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sig.name = match.captured(1);
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sig.startBit = match.captured(2 + offset).toInt();
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sig.signalSize = match.captured(3 + offset).toInt();
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int val = match.captured(4 + offset).toInt();
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if (val < 2)
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{
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if (match.captured(5 + offset) == "+") sig.valType = UNSIGNED_INT;
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else sig.valType = SIGNED_INT;
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}
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switch (val)
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{
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case 0: //big endian mode
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sig.intelByteOrder = false;
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break;
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case 1: //little endian mode
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sig.intelByteOrder = true;
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break;
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case 2:
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sig.valType = SP_FLOAT;
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break;
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case 3:
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sig.valType = DP_FLOAT;
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break;
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case 4:
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sig.valType = STRING;
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break;
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}
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sig.factor = match.captured(6 + offset).toDouble();
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sig.bias = match.captured(7 + offset).toDouble();
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sig.min = match.captured(8 + offset).toDouble();
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sig.max = match.captured(9 + offset).toDouble();
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sig.unitName = match.captured(10 + offset);
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if (match.captured(11 + offset).contains(','))
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{
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QString tmp = match.captured(11).split(',')[0];
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sig.receiver = findNodeByName(tmp);
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}
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else sig.receiver = findNodeByName(match.captured(11 + offset));
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sig.parentMessage = currentMessage;
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currentMessage->sigHandler->addSignal(sig);
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if (isMultiplexor) currentMessage->multiplexorSignal = currentMessage->sigHandler->findSignalByName(sig.name);
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}
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else numSigFaults++;
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}
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if (line.startsWith("BU_:")) //line specifies the nodes on this canbus
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{
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qDebug() << "Found a BU line";
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regex.setPattern("^BU\\_\\:(.*)");
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match = regex.match(line);
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//captured 1 = a list of node names separated by spaces. No idea how many yet
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if (match.hasMatch())
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{
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QStringList nodeStrings = match.captured(1).split(' ');
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qDebug() << "Found " << nodeStrings.count() << " node names";
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for (int i = 0; i < nodeStrings.count(); i++)
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{
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//qDebug() << nodeStrings[i];
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if (nodeStrings[i].length() > 1)
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{
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DBC_NODE node;
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node.name = nodeStrings[i];
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dbc_nodes.append(node);
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}
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}
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}
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}
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if (line.startsWith("CM_ SG_ "))
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{
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qDebug() << "Found an SG comment line";
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regex.setPattern("^CM\\_ SG\\_ *(\\w+) *(\\w+) *\\\"(.*)\\\";");
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match = regex.match(line);
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//captured 1 is the ID to match against to get to the message
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//captured 2 is the signal name from that message
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//captured 3 is the comment itself
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if (match.hasMatch())
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{
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//qDebug() << "Comment was: " << match.captured(3);
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DBC_MESSAGE *msg = messageHandler->findMsgByID(match.captured(1).toInt());
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if (msg != NULL)
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{
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DBC_SIGNAL *sig = msg->sigHandler->findSignalByName(match.captured(2));
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if (sig != NULL)
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{
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sig->comment = match.captured(3);
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}
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}
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}
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}
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if (line.startsWith("CM_ BO_ "))
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{
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qDebug() << "Found a BO comment line";
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regex.setPattern("^CM\\_ BO\\_ *(\\w+) *\\\"(.*)\\\";");
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match = regex.match(line);
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//captured 1 is the ID to match against to get to the message
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//captured 2 is the comment itself
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if (match.hasMatch())
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{
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//qDebug() << "Comment was: " << match.captured(2);
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DBC_MESSAGE *msg = messageHandler->findMsgByID(match.captured(1).toInt());
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if (msg != NULL)
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{
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msg->comment = match.captured(2);
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}
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}
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}
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if (line.startsWith("CM_ BU_ "))
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{
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qDebug() << "Found a BU comment line";
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regex.setPattern("^CM\\_ BU\\_ *(\\w+) *\\\"(.*)\\\";");
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match = regex.match(line);
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//captured 1 is the Node name
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//captured 2 is the comment itself
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if (match.hasMatch())
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{
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//qDebug() << "Comment was: " << match.captured(2);
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DBC_NODE *node = findNodeByName(match.captured(1));
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if (node != NULL)
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{
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node->comment = match.captured(2);
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}
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}
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}
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//VAL_ (1090) (VCUPresentParkLightOC) (1 "Error present" 0 "Error not present") ;
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if (line.startsWith("VAL_ "))
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{
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qDebug() << "Found a value definition line";
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regex.setPattern("^VAL\\_ (\\w+) (\\w+) (.*);");
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match = regex.match(line);
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//captured 1 is the ID to match against
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//captured 2 is the signal name to match against
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//captured 3 is a series of values in the form (number "text") that is, all sep'd by spaces
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if (match.hasMatch())
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{
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//qDebug() << "Data was: " << match.captured(3);
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DBC_MESSAGE *msg = messageHandler->findMsgByID(match.captured(1).toInt());
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if (msg != NULL)
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{
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DBC_SIGNAL *sig = msg->sigHandler->findSignalByName(match.captured(2));
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if (sig != NULL)
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{
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QString tokenString = match.captured(3);
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DBC_VAL val;
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while (tokenString.length() > 2)
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{
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regex.setPattern("(\\d+) \\\"(.*?)\\\"(.*)");
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match = regex.match(tokenString);
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if (match.hasMatch())
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{
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val.value = match.captured(1).toInt();
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val.descript = match.captured(2);
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//qDebug() << "sig val " << val.value << " desc " <<val.descript;
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sig->valList.append(val);
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int rightSize = tokenString.length() - match.captured(1).length() - match.captured(2).length() - 4;
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if (rightSize > 0) tokenString = tokenString.right(rightSize);
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else tokenString = "";
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//qDebug() << "New token string: " << tokenString;
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}
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else tokenString = "";
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}
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}
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}
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}
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}
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/*
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if (line.startsWith("BA_DEF_ SG_ "))
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{
|
|
qDebug() << "Found a SG attribute line";
|
|
regex.setPattern("^BA\\_DEF\\_ SG\\_ +\\\"([A-Za-z0-9\-_]+)\\\" +(.+);");
|
|
match = regex.match(line);
|
|
//captured 1 is the Node name
|
|
//captured 2 is the comment itself
|
|
if (match.hasMatch())
|
|
{
|
|
qDebug() << "Comment was: " << match.captured(2);
|
|
}
|
|
}
|
|
if (line.startsWith("BA_DEF_ BO_ "))
|
|
{
|
|
|
|
}
|
|
if (line.startsWith("BA_DEF_ BU_ "))
|
|
{
|
|
|
|
}
|
|
*/
|
|
}
|
|
if (numSigFaults > 0 || numMsgFaults > 0)
|
|
{
|
|
QMessageBox msgBox;
|
|
QString msg = "DBC file loaded with errors!\n";
|
|
msg += "Number of faulty message entries: " + QString::number(numMsgFaults) + "\n";
|
|
msg += "Number of faulty signal entries: " + QString::number(numSigFaults) + "\n\n";
|
|
msg += "Faulty entries have not been loaded.";
|
|
msgBox.setText(msg);
|
|
msgBox.exec();
|
|
}
|
|
inFile->close();
|
|
delete inFile;
|
|
QStringList fileList = fileName.split('/');
|
|
this->fileName = fileList[fileList.length() - 1]; //whoops... same name as parameter in this function.
|
|
filePath = fileName.left(fileName.length() - this->fileName.length());
|
|
assocBuses = -1;
|
|
|
|
}
|
|
|
|
void DBCFile::saveFile(QString fileName)
|
|
{
|
|
QFile *outFile = new QFile(fileName);
|
|
QString nodesOutput, msgOutput, commentsOutput, valuesOutput;
|
|
|
|
if (!outFile->open(QIODevice::WriteOnly | QIODevice::Text))
|
|
{
|
|
delete outFile;
|
|
return;
|
|
}
|
|
|
|
//right now it outputs a standard hard coded boilerplate
|
|
outFile->write("VERSION \"\"\n");
|
|
outFile->write("\n");
|
|
outFile->write("\n");
|
|
outFile->write("NS_ :\n");
|
|
outFile->write(" NS_DESC_\n");
|
|
outFile->write(" CM_\n");
|
|
outFile->write(" BA_DEF_\n");
|
|
outFile->write(" BA_\n");
|
|
outFile->write(" VAL_\n");
|
|
outFile->write(" CAT_DEF_\n");
|
|
outFile->write(" CAT_\n");
|
|
outFile->write(" FILTER\n");
|
|
outFile->write(" BA_DEF_DEF_\n");
|
|
outFile->write(" EV_DATA_\n");
|
|
outFile->write(" ENVVAR_DATA_\n");
|
|
outFile->write(" SGTYPE_\n");
|
|
outFile->write(" SGTYPE_VAL_\n");
|
|
outFile->write(" BA_DEF_SGTYPE_\n");
|
|
outFile->write(" BA_SGTYPE_\n");
|
|
outFile->write(" SIG_TYPE_REF_\n");
|
|
outFile->write(" VAL_TABLE_\n");
|
|
outFile->write(" SIG_GROUP_\n");
|
|
outFile->write(" SIG_VALTYPE_\n");
|
|
outFile->write(" SIGTYPE_VALTYPE_\n");
|
|
outFile->write(" BO_TX_BU_\n");
|
|
outFile->write(" BA_DEF_REL_\n");
|
|
outFile->write(" BA_REL_\n");
|
|
outFile->write(" BA_DEF_DEF_REL_\n");
|
|
outFile->write(" BU_SG_REL_\n");
|
|
outFile->write(" BU_EV_REL_\n");
|
|
outFile->write(" BU_BO_REL_\n");
|
|
outFile->write(" SG_MUL_VAL_\n");
|
|
outFile->write("\n");
|
|
outFile->write("BS_: \n");
|
|
|
|
nodesOutput.append("BU_: ");
|
|
for (int x = 0; x < dbc_nodes.count(); x++)
|
|
{
|
|
DBC_NODE node = dbc_nodes[x];
|
|
if (node.name.compare("Vector__XXX", Qt::CaseInsensitive) != 0)
|
|
{
|
|
nodesOutput.append(node.name + " ");
|
|
if (node.comment.length() > 0)
|
|
{
|
|
commentsOutput.append("CM_ BU_ " + node.name + " \"" + node.comment + "\";\n");
|
|
}
|
|
}
|
|
}
|
|
nodesOutput.append("\n");
|
|
outFile->write(nodesOutput.toUtf8());
|
|
|
|
for (int x = 0; x < messageHandler->getCount(); x++)
|
|
{
|
|
DBC_MESSAGE *msg = messageHandler->findMsgByIdx(x);
|
|
msgOutput.append("BO_ " + QString::number(msg->ID) + " " + msg->name + ": " + QString::number(msg->len) +
|
|
" " + msg->sender->name + "\n");
|
|
if (msg->comment.length() > 0)
|
|
{
|
|
commentsOutput.append("CM_ BO_ " + QString::number(msg->ID) + " \"" + msg->comment + "\";\n");
|
|
}
|
|
for (int s = 0; s < msg->sigHandler->getCount(); s++)
|
|
{
|
|
DBC_SIGNAL *sig = msg->sigHandler->findSignalByIdx(s);
|
|
msgOutput.append(" SG_ " + sig->name);
|
|
|
|
if (sig->isMultiplexor) msgOutput.append(" M");
|
|
if (sig->isMultiplexed)
|
|
{
|
|
msgOutput.append(" m" + QString::number(sig->multiplexValue));
|
|
}
|
|
|
|
msgOutput.append(" : " + QString::number(sig->startBit) + "|" + QString::number(sig->signalSize) + "@");
|
|
|
|
switch (sig->valType)
|
|
{
|
|
case UNSIGNED_INT:
|
|
if (sig->intelByteOrder) msgOutput.append("1+");
|
|
else msgOutput.append("0+");
|
|
break;
|
|
case SIGNED_INT:
|
|
if (sig->intelByteOrder) msgOutput.append("1-");
|
|
else msgOutput.append("0-");
|
|
break;
|
|
case SP_FLOAT:
|
|
msgOutput.append("2-");
|
|
break;
|
|
case DP_FLOAT:
|
|
msgOutput.append("3-");
|
|
break;
|
|
case STRING:
|
|
msgOutput.append("4-");
|
|
break;
|
|
default:
|
|
msgOutput.append("0-");
|
|
break;
|
|
}
|
|
msgOutput.append(" (" + QString::number(sig->factor) + "," + QString::number(sig->bias) + ") [" +
|
|
QString::number(sig->min) + "|" + QString::number(sig->max) + "] \"" + sig->unitName
|
|
+ "\" " + sig->receiver->name + "\n");
|
|
if (sig->comment.length() > 0)
|
|
{
|
|
commentsOutput.append("CM_ SG_ " + QString::number(msg->ID) + " " + sig->name + " \"" + sig->comment + "\";\n");
|
|
}
|
|
if (sig->valList.count() > 0)
|
|
{
|
|
valuesOutput.append("VAL_ " + QString::number(msg->ID) + " " + sig->name);
|
|
for (int v = 0; v < sig->valList.count(); v++)
|
|
{
|
|
DBC_VAL val = sig->valList[v];
|
|
valuesOutput.append(" " + QString::number(val.value) + " \"" + val.descript +"\"");
|
|
}
|
|
valuesOutput.append(";\n");
|
|
}
|
|
}
|
|
msgOutput.append("\n");
|
|
//write it out every message so the string doesn't end up too huge
|
|
outFile->write(msgOutput.toUtf8());
|
|
msgOutput.clear(); //got to reset it after writing
|
|
}
|
|
|
|
//now write out all of the accumulated comments and value tables from above
|
|
outFile->write(commentsOutput.toUtf8());
|
|
outFile->write(valuesOutput.toUtf8());
|
|
|
|
outFile->close();
|
|
delete outFile;
|
|
|
|
QStringList fileList = fileName.split('/');
|
|
this->fileName = fileList[fileList.length() - 1]; //whoops... same name as parameter in this function.
|
|
filePath = fileName.left(fileName.length() - this->fileName.length());
|
|
}
|
|
|
|
void DBCHandler::saveDBCFile(int idx)
|
|
{
|
|
if (loadedFiles.count() == 0) return;
|
|
if (idx < 0) return;
|
|
if (idx >= loadedFiles.count()) return;
|
|
|
|
QString filename;
|
|
QFileDialog dialog;
|
|
|
|
QStringList filters;
|
|
filters.append(QString(tr("DBC File (*.dbc)")));
|
|
|
|
dialog.setFileMode(QFileDialog::AnyFile);
|
|
dialog.setNameFilters(filters);
|
|
dialog.setViewMode(QFileDialog::Detail);
|
|
dialog.setAcceptMode(QFileDialog::AcceptSave);
|
|
dialog.selectFile(loadedFiles[idx].getFullFilename());
|
|
|
|
if (dialog.exec() == QDialog::Accepted)
|
|
{
|
|
filename = dialog.selectedFiles()[0];
|
|
if (!filename.contains('.')) filename += ".dbc";
|
|
loadedFiles[idx].saveFile(filename);
|
|
}
|
|
}
|
|
|
|
int DBCHandler::createBlankFile()
|
|
{
|
|
DBCFile newFile;
|
|
loadedFiles.append(newFile);
|
|
return loadedFiles.count();
|
|
}
|
|
|
|
//the only reason to even bother sending the index is to see if
|
|
//the user wants to replace an already loaded DBC.
|
|
//Otherwise add a new one. Well, always add a new one.
|
|
//If a valid index is passed we'll remove that one and then commence
|
|
//adding. Otherwise, just go straight to adding.
|
|
DBCFile* DBCHandler::loadDBCFile(int idx)
|
|
{
|
|
if (idx > -1 && idx < loadedFiles.count()) removeDBCFile(idx);
|
|
|
|
QString filename;
|
|
QFileDialog dialog;
|
|
|
|
QStringList filters;
|
|
filters.append(QString(tr("DBC File (*.dbc)")));
|
|
|
|
dialog.setFileMode(QFileDialog::ExistingFile);
|
|
dialog.setNameFilters(filters);
|
|
dialog.setViewMode(QFileDialog::Detail);
|
|
|
|
if (dialog.exec() == QDialog::Accepted)
|
|
{
|
|
filename = dialog.selectedFiles()[0];
|
|
//right now there is only one file type that can be loaded here so just do it.
|
|
DBCFile newFile;
|
|
newFile.loadFile(filename);
|
|
loadedFiles.append(newFile);
|
|
}
|
|
return &loadedFiles.last();
|
|
}
|
|
|
|
void DBCHandler::removeDBCFile(int idx)
|
|
{
|
|
if (loadedFiles.count() == 0) return;
|
|
if (idx < 0) return;
|
|
if (idx >= loadedFiles.count()) return;
|
|
loadedFiles.removeAt(idx);
|
|
}
|
|
|
|
void DBCHandler::removeAllFiles()
|
|
{
|
|
loadedFiles.clear();
|
|
}
|
|
|
|
void DBCHandler::swapFiles(int pos1, int pos2)
|
|
{
|
|
if (loadedFiles.count() < 2) return;
|
|
if (pos1 < 0) return;
|
|
if (pos1 >= loadedFiles.count()) return;
|
|
if (pos2 < 0) return;
|
|
if (pos2 >= loadedFiles.count()) return;
|
|
|
|
loadedFiles.swap(pos1, pos2);
|
|
}
|
|
|
|
/*
|
|
* Convenience function that encapsulates a whole lot of the details.
|
|
* You give it a canbus frame and it'll tell you whether there is a loaded DBC file that can
|
|
* interpret that frame for you.
|
|
* Returns NULL if there is no message definition that matches.
|
|
*/
|
|
DBC_MESSAGE* DBCHandler::findMessage(const CANFrame &frame)
|
|
{
|
|
for(int i = 0; i < loadedFiles.count(); i++)
|
|
{
|
|
if (loadedFiles[i].getAssocBus() == -1 || frame.bus == loadedFiles[i].getAssocBus())
|
|
{
|
|
DBC_MESSAGE* msg = loadedFiles[i].messageHandler->findMsgByID(frame.ID);
|
|
if (msg != NULL) return msg;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int DBCHandler::getFileCount()
|
|
{
|
|
return loadedFiles.count();
|
|
}
|
|
|
|
DBCFile* DBCHandler::getFileByIdx(int idx)
|
|
{
|
|
if (loadedFiles.count() == 0) return NULL;
|
|
if (idx < 0) return NULL;
|
|
if (idx >= loadedFiles.count()) return NULL;
|
|
return &loadedFiles[idx];
|
|
}
|
|
|
|
DBCFile* DBCHandler::getFileByName(QString name)
|
|
{
|
|
if (loadedFiles.count() == 0) return NULL;
|
|
for (int i = 0; i < loadedFiles.count(); i++)
|
|
{
|
|
if (loadedFiles[i].getFilename().compare(name, Qt::CaseInsensitive) == 0)
|
|
{
|
|
return &loadedFiles[i];
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|