forked from boostorg/regex
94 lines
2.2 KiB
C++
94 lines
2.2 KiB
C++
/*
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*
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* Copyright (c) 1998-2022
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* John Maddock
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*
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* Use, modification and distribution are subject to the
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* Boost Software License, Version 1.0. (See accompanying file
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* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*
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*/
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/*
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* LOCATION: see http://www.boost.org for most recent version.
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* FILE regex_match_example.cpp
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* VERSION see <boost/version.hpp>
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* DESCRIPTION: ftp based regex_match example.
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*/
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#if (defined(__cpp_lib_modules) || (defined(_MSC_FULL_VER) && (_MSC_FULL_VER >= 193833135))) && !defined(TEST_HEADERS)
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import std;
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#elif defined(MSVC_EXPERIMENTAL_STD_MODULE) && !defined(TEST_HEADERS)
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import std.core;
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#else
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#include <cstdlib>
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#include <stdlib.h>
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#include <string>
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#include <iostream>
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#endif
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#ifdef TEST_HEADERS
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#include <boost/regex.hpp>
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#else
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import boost.regex;
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#endif
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using namespace boost;
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regex expression("^([0-9]+)(\\-| |$)(.*)$");
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// process_ftp:
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// on success returns the ftp response code, and fills
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// msg with the ftp response message.
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int process_ftp(const char* response, std::string* msg)
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{
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cmatch what;
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if(regex_match(response, what, expression))
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{
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// what[0] contains the whole string
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// what[1] contains the response code
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// what[2] contains the separator character
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// what[3] contains the text message.
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if(msg)
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msg->assign(what[3].first, what[3].second);
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return std::atoi(what[1].first);
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}
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// failure did not match
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if(msg)
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msg->erase();
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return -1;
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}
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int main(int argc, const char*[])
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{
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using namespace std;
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std::string in, out;
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do
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{
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if(argc == 1)
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{
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cout << "enter test string" << endl;
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getline(cin, in);
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if(in == "quit")
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break;
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}
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else
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in = "100 this is an ftp message text";
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int result;
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result = process_ftp(in.c_str(), &out);
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if(result != -1)
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{
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cout << "Match found:" << endl;
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cout << "Response code: " << result << endl;
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cout << "Message text: " << out << endl;
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}
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else
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{
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cout << "Match not found" << endl;
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}
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cout << endl;
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} while(argc == 1);
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return 0;
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}
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