keepassxc/src/core/CsvParser.h
2017-06-14 15:54:43 +02:00

103 lines
2.9 KiB
C++

/*
* Copyright (C) 2016 Enrico Mariotti <enricomariotti@yahoo.it>
* Copyright (C) 2017 KeePassXC Team <team@keepassxc.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 or (at your option)
* version 3 of the License.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef KEEPASSX_CSVPARSER_H
#define KEEPASSX_CSVPARSER_H
#include <QFile>
#include <QBuffer>
#include <QQueue>
#include <QTextStream>
typedef QStringList CsvRow;
typedef QList<CsvRow> CsvTable;
class CsvParser {
public:
CsvParser();
~CsvParser();
//read data from device and parse it
bool parse(QFile *device);
bool isFileLoaded();
//reparse the same buffer (device is not opened again)
bool reparse();
void setCodec(const QString &s);
void setComment(const QChar &c);
void setFieldSeparator(const QChar &c);
void setTextQualifier(const QChar &c);
void setBackslashSyntax(bool set);
int getFileSize() const;
int getCsvRows() const;
int getCsvCols() const;
QString getStatus() const;
const CsvTable getCsvTable() const;
protected:
CsvTable m_table;
private:
QByteArray m_array;
QBuffer m_csv;
QChar m_ch;
QChar m_comment;
unsigned int m_currCol;
unsigned int m_currRow;
bool m_isBackslashSyntax;
bool m_isEof;
bool m_isFileLoaded;
bool m_isGood;
qint64 m_lastPos;
int m_maxCols;
QChar m_qualifier;
QChar m_separator;
QString m_statusMsg;
QTextStream m_ts;
void getChar(QChar &c);
void ungetChar();
void peek(QChar &c);
void fillColumns();
bool isTerminator(const QChar &c) const;
bool isSeparator(const QChar &c) const;
bool isQualifier(const QChar &c) const;
bool processEscapeMark(QString &s, QChar c);
bool isText(QChar c) const;
bool isComment();
bool isCRLF(const QChar &c) const;
bool isSpace(const QChar &c) const;
bool isTab(const QChar &c) const;
bool isEmptyRow(CsvRow row) const;
bool parseFile();
void parseRecord();
void parseField(CsvRow &row);
void parseSimple(QString &s);
void parseQuoted(QString &s);
void parseEscaped(QString &s);
void parseEscapedText(QString &s);
bool readFile(QFile *device);
void reset();
void clear();
bool skipEndline();
void skipLine();
void appendStatusMsg(QString s, bool isCritical = false);
};
#endif //CSVPARSER_H