ydefine.cpp

世界时间转换程序

#include "ydefine.h"
#include <QDateTime>
#include  <QDir>
#include <QFileInfo>
#include  <QRegExp> 
/***
 * change string value
 * 788990 =>908978
 *
 ***/
QString getLittleEndian(const QString&str,int i)
{
  QString res;;
  yDebug(QString("getLittleEndian(const QString&str= (%1),int i=(%2)" ).arg(str).arg(i) );
  switch(i)
    {
    case 1:
      //byte
      res="0x";      
      res.append(str);
      yDebug(" getLittleEndian byte 1:"+res);
      break;      
    case 2:
      //word = 2byte
      res="0x";      
      res.append(str.mid(2,2));      
      yDebug(" getLittleEndian word 1:"+res);
      res.append(str.mid(0,2));
      yDebug(" getLittleEndian word 2:"+res);
      break;      
    case 4:
     //dword =4byte
      res="0x";      
      res.append(str.mid(6,2));      
      yDebug(" getLittleEndian dword 1:"+res);
      res.append(str.mid(4,2));
      yDebug(" getLittleEndian dword 2:"+res);
      res.append(str.mid(2,2));
      yDebug(" getLittleEndian dword 3:"+res);
      res.append(str.mid(0,2));
      yDebug(" getLittleEndian dword 4:"+res);
      break;
    default:
      res=str;
      yDebug(" getLittleEndian default:"+res);
      break;
    }
  return res;
}

/***
 *get only file name no directory
 ***/
QString trFileName(const QString &f)
{
	QString str;
	 QFileInfo fi(f);
     if(fi.exists () && (f !="NonName") ) 
     {
      str=fi.fileName ();
     }
     else
     {
    str=f;
     }
	 
  yDebug(str);   
  return str;  
}
/***
 *get only dir no file name
 ***/
QString trDirName(const QString &f)
{
  QString str;
  //only for windows
  
  QFileInfo fi(f);
  if(fi.exists ()&& (f !="NonName")) 
  {
   str= fi.absolutePath ();
  }
  else
  {
    str=f;
  }
 
  return str;  
}
/***
 *get current data time
 ***/
QString getCurrentTime()
{
    QDate date = QDate::currentDate();
    QTime time = QTime::currentTime();
    
    QString s;
    s=date.toString("yyyy-MM-dd");    
    s.append(" ");    
    s.append(time.toString("hh:mm:ss")); 
    return s;
    
}
/***
 *get the path name from the string 
* diffrent:  trDirName get a QDir::currentDirPath if no dir
*            trPathName get a "" if no dir
 ***/
QString trPathName(const QString &f)
{
  QString str;
  //only for windows
   QFileInfo fi(f);
  if(fi.exists () &&  (f !="NonName") ) 
  {
   str= fi.absolutePath ();
  }
  else
  {
    str=f;
  }
  return str;  
}
/***
*remove the start the whitespace
***/
QString stripFirstWhiteSpaces(const QString &f)
{
   QString str;
    int position = 0;
    while (position < f.length()) 
	{
            if (f.mid(position, 1) != " ")
                break;
            position++;
     }
    str = f.mid(position).trimmed();
   return str;
}

/***
*remove the last the whitespace
***/
QString stripLastWhiteSpaces(const QString &f)
{
   QString str;
   str=f;
    int position = f.length ();
    while (position < f.length()) 
	{
            if (f.mid(position, 1) != " ")
                break;
            position--;
     }
    str = f.left(position).trimmed();
   return str;
}
/***
*just for qstring::indexOf  file, because this function need a const qstring to search 
***/
int indexOfStr(const QString &str,const QString & s,Qt::CaseSensitivity cs)
{
	return str.indexOf(s ,0,cs);
}
/***
* open a global debug file use fprintf(
***/

FILE *g_stream; //this a flobal value 

bool openFileStream()
{
  if( (g_stream  = fopen( "debug.txt", "a+" )) == NULL ) // C4996
   // Note: fopen is deprecated; consider using fopen_s instead
     return false;
  else
      return true;

}
/***
* close a global debug file use fprintf(
***/
bool closeFileStream()
{
  if( g_stream)
   {
      if ( fclose( g_stream ) )
      {
         return false;
      }
	  else
	  {
		  return true;
	  }
   }
  else
  {
	  return false;
  }

}
/****
*first debug function
*****/

void debugInfos(const char *name, int value)
{
 fprintf(g_stream,name, value);
}
void debugInfos(const char *name)
{
 fprintf(g_stream,name);
}
/***
* convert string to hex display
***/
QString strToHex(const QString &str)
{
 QByteArray bytes;
 QString res=NULL;
 bytes= str.toAscii();
 QString tmp;
 for (int i=0;i<bytes.length(); i++)
 {
	  if( int (bytes[i])<16 )
	  {
		 tmp=QString::number(bytes[i],16);
		 tmp=tmp.prepend("0");
	     res.append(tmp);
	     res.append(0x20);
	  }
	  else
	  {
         res.append(QString::number(bytes[i],16));
	     res.append(0x20);
	  }
	
 }
  return res;

}