dextool.plugin.regex_matchers source code

1 /**
2 Copyright: Copyright (c) 2017, Joakim Brännström. All rights reserved.
3 License: MPL-2
4 Author: Joakim Brännström (joakim.brannstrom@gmx.com)
5 
6 This Source Code Form is subject to the terms of the Mozilla Public License,
7 v.2.0. If a copy of the MPL was not distributed with this file, You can obtain
8 one at http://mozilla.org/MPL/2.0/.
9 
10 This file contains helper functions for matching with regex.
11 */
12 module dextool.plugin.regex_matchers;
13 
14 import std.regex : Regex;
15 
16 /// Returns: true if the value match any regex.
17 bool matchAny(const string value, Regex!char[] re) @safe nothrow {
18     import std.algorithm : canFind;
19     import std.regex : matchFirst, RegexException;
20 
21     bool passed = false;
22 
23     foreach (ref a; re) {
24         try {
25             auto m = matchFirst(value, a);
26             if (!m.empty && m.pre.length == 0 && m.post.length == 0) {
27                 passed = true;
28                 break;
29             }
30         }
31         catch (RegexException ex) {
32         }
33         catch (Exception ex) {
34         }
35     }
36 
37     return passed;
38 }
39 
40 version (unittest) {
41     import unit_threaded : shouldBeTrue;
42 }
43 
44 @("Shall match all regex")
45 @safe unittest {
46     import std.regex : regex;
47 
48     Regex!char[] re = [regex(".*/foo/.*"), regex(".*/src/.*")];
49 
50     matchAny("/p/foo/more/src/file.c", re).shouldBeTrue;
51 }