APservice/datei.h

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#ifndef DATEI_H
#define DATEI_H
#include <stdint.h>
#include <QFile>
#include <QFileInfo>
#include <QDebug>
#include "tslib.h"
#include <QString>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QJsonParseError>
// create csv file with:
#define FILESEPERATOR ','
// pasre csv with:
#define FILESEP1 ','
#define FILESEP2 ';'
#define NEWLINEINFILE '\n'
#define MAXNUMBEROFSEQUENCES 200
// only for csv files
// all seting-files located in sudirectory "static machine data - smd"
// all generated files located in sudirectory "dynamic machine data - dmd"
#define FILENAME_COMPORT "../comport.csv"
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#define FILENAME_APSERVCONF "../APserviceConfig.csv"
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const QString config_path = QStringLiteral("/etc/psa_config/");
const QString filename_config = QStringLiteral("DC2C_conf.json");
const QString filename_device = QStringLiteral("DC2C_device.json");
const QString filename_cash = QStringLiteral("DC2C_cash.json");
const QString filename_print = QStringLiteral("DC2C_print32.json");
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// -------------------------------------------------------------------------------------------------
// ------------------------------------------------------ create csv file -------------------------------
// -------------------------------------------------------------------------------------------------
// create array with strings and values (to be written to file)
void csv_startCreatingFile(void);
void csv_addTextToFile(QString myText);
void csv_addIntToFile(int myValue);
void csv_addUintToFile(uint myValue);
void csv_addLongvalToFile(qlonglong myValue);
void csv_addUlongvalToFile(qulonglong myValue);
//void csv_addCurrentTimeToFile(void);
//void csv_addCurrentDateToFile(void);
void csv_addNewlineToFile(void);
QByteArray csv_readbackArray(void);
// -------------------------------------------------------------------------------------------------
// ------------------------------------------------------ parse csv file -------------------------------
// -------------------------------------------------------------------------------------------------
// return number of entries in the just read file (entries are seperated by
// comma or line-feed)
uint32_t csv_nrOfEntriesInFile(QByteArray readFromFile);
// before: QByteArray sourceFile=datei_readFromFile(filename);
QByteArray csv_getOneFileSequence(QByteArray sourceFile, uint32_t sequNr);
// not needed, just for test // sequNr: 0....(size-1)
// get single entries of of the just read fie:
int csv_getEntryAsInt(QByteArray sourceFile, uint32_t sequNr);
// sequNr: 0....(size-1)
int32_t csv_getEntryAsLong(QByteArray sourceFile, uint32_t sequNr);
// sequNr: 0....(size-1)
uint8_t csv_getEntryAsUshort(QByteArray sourceFile, uint32_t sequNr);
// sequNr: 0....(size-1)
uint16_t csv_getEntryAsUint(QByteArray sourceFile, uint32_t sequNr);
// sequNr: 0....(size-1)
uint32_t csv_getEntryAsUlong(QByteArray sourceFile, uint32_t sequNr);
// sequNr: 0....(size-1)
uint64_t csv_getEntryAs2Ulong(QByteArray sourceFile, uint32_t sequNr);
// sequNr: 0....(size-1)
QString csv_getEntryAsString(QByteArray sourceFile, uint32_t sequNr);
// sequNr: 0....(size-1)
// -------------------------------------------------------------------------------------------------
// ------------------------------------------------------ create Json Record -------------------------------
// -------------------------------------------------------------------------------------------------
void json_startRecord(void);
// clear buffer and write opening curly bracket {
void json_enterIntToRecord(QString attribute, ulong i_value);
// example: "parameter":1234567890
void json_enterTextToRecord(QString attribute, QString txt_value);
// example: "parameter":"slow"
//void json_addCurrentTimeToRecord(QString attribute);
// example: if attribute=myTime: "myTime":"hh_mm_ss"
//void json_addCurrentDateToRecord(QString attribute);
// example: if attribute=myDate: "myDate":"dd.mm.yyyy"
// also / possible as seperator
// further possible forms:
// format= 0: dd.mm.yyyy (deutsch)
// 1: mm.dd.yyyy (amerika)
// 2: yyyy.mm.dd (Iran, Dubai)
// 3: dd.yyyy.mm
// 4: mm.yyyy.dd
// 5: yyyy.dd.mm
void json_enterArrayToRecord(QString attribute, uint8_t *buf, ulong nrofVals);
// add array of numbers with "nrofVals" elements
void json_enterStructToRecord(QString attribute);
// every call must be concluded with an extra "json_finishFile()"
// example: "sname":{
void json_finishStruct(void);
void json_finishRecord(void);
// close curly bracket
QString json_readbackRecordStr(void);
QByteArray json_readbackRecordBa(void);
// -------------------------------------------------------------------------------------------------
// ------------------------------------------------------ parse Json file -------------------------------
// -------------------------------------------------------------------------------------------------
// first: QByteArray datei_readFromFile(QString filename);
//void datei_json_readTestFile(QString filename);
int json_nrOfPairsInFile(QByteArray filename);
bool json_exists(QByteArray filename, QString searchForKey);
// look for "searchForKey" =name of the pair (left of : )
// retval true if exists
bool json_remove(QByteArray filename, QString searchFor);
// look for "searchFor" =name of the pair (left of : ) and remove the record from file
// retval true if removed
QString json_searchForStringInFile(QByteArray filename, QString searchFor);
// look for "searchFor" =name of the pair (left of : ) and return value of this pair (right of : ) as String
int json_searchForIntInFile(QByteArray filename, QString searchFor);
// look for "searchFor" =name of the pair (left of : ) and return value of this pair (right of : ) as String
//.......................
QJsonObject json_searchForObjectInFile(QByteArray filename, QString searchFor);
// return an object from the json file
int json_nrOfPairsInObject(QJsonObject objname);
QString json_searchForStringInObject(QJsonObject objname, QString searchFor);
// look for "searchFor" =name of the pair (left of : ) and return value of this pair (right of : ) as String
int json_searchForIntInObject(QJsonObject objname, QString searchFor);
// look for "searchFor" =name of the pair (left of : ) and return value of this pair (right of : ) as String
//.......................
QJsonArray json_searchForArrayInFile(QByteArray filename, QString searchFor);
// look for "searchFor" =name of the pair (left of : ) and return value of this pair (right of : ) as String
int json_nrOfValuesInArray(QJsonArray arrayname);
bool json_getValuesOfArray(QJsonArray arrayname, int *buf, int MaxBufferSize);
// assuming that the array consists of integers
// -------------------------------------------------------------------------------------------------
// ------------------------------------------------------ read, write, copy files -------------------
// -------------------------------------------------------------------------------------------------
void datei_closeFile(QString filename);
// read content of an exiting file:
QByteArray datei_readFromFile(QString filename);
// deprecated - user QFileInfo
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bool datei_ifFileExists(QString filename);
char datei_writeToFile(QString filename, QByteArray content);
// retval=0 if successful 1: no write access allowed
// 2:cannot open to append 3:cannot create new file
bool datei_copyFile(QString currentFileName, QString newFileName);
// retval=true if successful
bool datei_clearFile(QString filename);
// retval=true if successful
#endif // DATEI_H