?? ccheck.cpp
字號:
#include "Check.h"
CCheck::CCheck(char sign,int rows)
{
m_sSign=sign;
row=m_row=rows;
switch(m_sSign)
{
case '(':
this->m_eSign=')';
break;
case '[':
this->m_eSign=']';
break;
case '{':
this->m_eSign='}';
}
}
bool CCheck::IsOK(ifstream& infile)
{
char ch;
infile.get(ch);
while(infile)
{
//start
if(ch==this->m_eSign)
return true;
else
{
switch(ch)
{
case '(':
case '{':
case '[':
CCheck* sign;
sign=new CCheck(ch,row);
if(!sign->IsOK(infile))
cout<<"第"<<sign->m_row<<"行"<<sign->m_sSign<<"配對失敗"<<endl;
row=sign->row;
break;
case ']':
cout<<"第"<<row<<"行"<<"'['配對失敗"<<endl;
break;
case '\n':
row++;
break;
case ')':
case '}':
infile.seekg(-1,ios::cur);
return false;
}
}
//end
infile.get(ch);
}
return false;
}
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