File indexing completed on 2024-12-22 04:15:37

 /*
  *  SPDX-FileCopyrightText: 2016 Laszlo Fazekas <mneko@freemail.hu>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "csv_read_line.h"
 
 #include <kis_debug.h>
 
 #include <QDebug>
 #include <QIODevice>
 
 #include <asl/kis_offset_keeper.h>
 #include <asl/kis_asl_writer_utils.h>
 #include <asl/kis_asl_reader_utils.h>
 
 CSVReadLine::CSVReadLine()
     : m_separator(0)
     , m_row(0)
     , m_linebuf(0)
     , m_pos(-1)
 {
 }
 
 CSVReadLine::~CSVReadLine()
 {
 }
 
 // returns: 0 finished, + continue, - error
 int CSVReadLine::nextLine(QIODevice *io)
 {
     int retval= 0;
     m_pos= -1;
 
     try {
         m_linebuf= io->readLine();
 
         if (!m_linebuf.size())
             retval= 0; //finished
         else {
             if (!m_separator)
                 m_separator= ((m_linebuf.size() > 5) && (m_linebuf[5] == ';')) ?
                              ';' : ',';
             m_pos= 0;
             retval= 1;
         }
     } catch(KisAslReaderUtils::ASLParseException &e) {
         warnKrita << "WARNING: CSV:" << e.what();
         retval= -1; //error
     }
     return retval;
 }
 
 QString CSVReadLine::nextField()
 {
     char     strBuf[CSV_FIELD_MAX];
     char    *ptr;
     char     c;
     int      i,p,max;
 
     p= m_pos;
 
     if (p < 0) return QString();
 
     ptr= strBuf;
     max= m_linebuf.size();
 
     do {    if (p >= max) {
                 ptr[0]= 0;
                 m_pos= -1;
                 return QString(strBuf);
             }
             c= m_linebuf[p++];
     } while((c == ' ') || (c == '\t'));
 
     i= 0;
 
     if (c == '\"') {
         //quoted
         while(p < max) {
             c= m_linebuf[p++];
 
             if (c == '\"') {
 
                 if (p >= max) break;
 
                 if (m_linebuf[p] != c) break;
 
                  //double quote escape sequence
                 ++p;
             }
             if (i < (CSV_FIELD_MAX - 1))
                 ptr[i++]= c;
         }
 
         while (p < max) {
             c= m_linebuf[p++];
             if (c == m_separator) break;
         }
     } else {
         //without quotes
         while (c != m_separator) {
             if (i < (CSV_FIELD_MAX - 1))
                 ptr[i++]= c;
 
             if (p >= max) break;
 
             c= m_linebuf[p++];
         }
 
         while(i > 0) {
             c= ptr[--i];
             if ((c != ' ')  && (c != '\t') &&
                 (c != '\r') && (c != '\n')) {
                 ++i;
                 break;
             }
         }
     }
     ptr[i]= 0;
     m_pos= (p < max) ? p : -1;
     return QString(strBuf);
 }
 
 void CSVReadLine::rewind()
 {
     m_pos= 0;
 }