forked from boostorg/regex
Fixed broken links, added copyright declarations, renamed some long file names
[SVN r18525]
This commit is contained in:
75
example/snippets/regex_token_iterator_eg_1.cpp
Normal file
75
example/snippets/regex_token_iterator_eg_1.cpp
Normal file
@ -0,0 +1,75 @@
|
||||
/*
|
||||
*
|
||||
* Copyright (c) 12003
|
||||
* Dr John Maddock
|
||||
*
|
||||
* Permission to use, copy, modify, distribute and sell this software
|
||||
* and its documentation for any purpose is hereby granted without fee,
|
||||
* provided that the above copyright notice appear in all copies and
|
||||
* that both that copyright notice and this permission notice appear
|
||||
* in supporting documentation. Dr John Maddock makes no representations
|
||||
* about the suitability of this software for any purpose.
|
||||
* It is provided "as is" without express or implied warranty.
|
||||
*
|
||||
*/
|
||||
|
||||
/*
|
||||
* LOCATION: see http://www.boost.org for most recent version.
|
||||
* FILE regex_token_iterator_example_1.cpp
|
||||
* VERSION see <boost/version.hpp>
|
||||
* DESCRIPTION: regex_token_iterator example: split a string into tokens.
|
||||
*/
|
||||
|
||||
|
||||
#include <boost/regex.hpp>
|
||||
|
||||
#include <iostream>
|
||||
using namespace std;
|
||||
|
||||
|
||||
#if defined(BOOST_MSVC) || (defined(__BORLANDC__) && (__BORLANDC__ == 0x550))
|
||||
//
|
||||
// problem with std::getline under MSVC6sp3
|
||||
istream& getline(istream& is, std::string& s)
|
||||
{
|
||||
s.erase();
|
||||
char c = is.get();
|
||||
while(c != '\n')
|
||||
{
|
||||
s.append(1, c);
|
||||
c = is.get();
|
||||
}
|
||||
return is;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
int main(int argc)
|
||||
{
|
||||
string s;
|
||||
do{
|
||||
if(argc == 1)
|
||||
{
|
||||
cout << "Enter text to split (or \"quit\" to exit): ";
|
||||
getline(cin, s);
|
||||
if(s == "quit") break;
|
||||
}
|
||||
else
|
||||
s = "This is a string of tokens";
|
||||
|
||||
boost::regex re("\\s+");
|
||||
boost::regex_token_iterator<std::string::const_iterator> i(s.begin(), s.end(), re, -1);
|
||||
boost::regex_token_iterator<std::string::const_iterator> j;
|
||||
|
||||
unsigned count = 0;
|
||||
while(i != j)
|
||||
{
|
||||
cout << *i++ << endl;
|
||||
count++;
|
||||
}
|
||||
cout << "There were " << count << " tokens found." << endl;
|
||||
|
||||
}while(argc == 1);
|
||||
return 0;
|
||||
}
|
||||
|
Reference in New Issue
Block a user