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1 | // Boost string_algo library example file ---------------------------------// |
2 | ||
3 | // Copyright Pavol Droba 2002-2003. Use, modification and | |
4 | // distribution is subject to the Boost Software License, Version | |
5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
6 | // http://www.boost.org/LICENSE_1_0.txt) | |
7 | ||
8 | // See http://www.boost.org for updates, documentation, and revision history. | |
9 | ||
10 | #include <string> | |
11 | #include <iostream> | |
12 | #include <functional> | |
13 | #include <boost/algorithm/string/predicate.hpp> | |
14 | #include <boost/algorithm/string/classification.hpp> | |
15 | #include <boost/bind.hpp> | |
16 | ||
17 | ||
18 | using namespace std; | |
19 | using namespace boost; | |
20 | ||
21 | int main() | |
22 | { | |
23 | cout << "* Predicate Example *" << endl << endl; | |
24 | ||
25 | string str1("123xxx321"); | |
26 | string str2("abc"); | |
27 | ||
28 | // Check if str1 starts with '123' | |
29 | cout << "str1 starts with \"123\": " << | |
30 | (starts_with( str1, string("123") )?"true":"false") << endl; | |
31 | ||
32 | // Check if str1 ends with '123' | |
33 | cout << "str1 ends with \"123\": " << | |
34 | (ends_with( str1, string("123") )?"true":"false") << endl; | |
35 | ||
36 | // Check if str1 contains 'xxx' | |
37 | cout << "str1 contains \"xxx\": " << | |
38 | (contains( str1, string("xxx") )?"true":"false") << endl; | |
39 | ||
40 | ||
41 | // Check if str2 equals to 'abc' | |
42 | cout << "str2 equals \"abc\": " << | |
43 | (equals( str2, string("abc") )?"true":"false") << endl; | |
44 | ||
45 | ||
46 | // Classification functors and all predicate | |
47 | if ( all(";.,", is_punct() ) ) | |
48 | { | |
49 | cout << "\";.,\" are all punctuation characters" << endl; | |
50 | } | |
51 | ||
52 | // Classification predicates can be combined | |
53 | if ( all("abcxxx", is_any_of("xabc") && !is_space() ) ) | |
54 | { | |
55 | cout << "true" << endl; | |
56 | } | |
57 | ||
58 | cout << endl; | |
59 | ||
60 | return 0; | |
61 | } |