function template
std::isprint
<locale>
template <class charT>
bool isprint ( charT c, const locale& loc );
Check if character is printable using locale
Checks whether
c is a white-space character using
ctype facet of locale
loc, returning the same as a call to:
|
use_facet < ctype<charT> > (loc).is (ctype_base::print, c)
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This function replicates the functionality of its
C-library equivalent
isprint. See
isprint for more info.
Parameters
- c
- Character to be checked.
- loc
- Locale to be used. Shall have facet ctype present.
Template parameter
charT is the character type.
Return Value
true if indeed
c is a printable character,
false otherwise.
Example
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
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// isprint example (C++)
#include <iostream>
#include <string>
#include <locale>
using namespace std;
int main ()
{
locale loc;
string str="first line \n second line \n";
for (size_t i=0; i<str.length(); ++i)
{
if (!isprint(str[i])) break;
cout << str[i];
}
return 0;
}
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Output:
See also
- ctype
- Character type facet (class template)
- isprint (cctype)
- Check if character is printable (function
)
- iscntrl
- Check if character is a control character using locale (function template)
- isspace
- Check if character is a white-space using locale (function template)
- isalnum
- Check if character is alphanumeric using locale (function template)