1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/* libhyphenate: A TeX-like hyphenation algorithm.
* Copyright (C) 2007 Steve Wolter
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* If you have any questions, feel free to contact me:
* http://swolter.sdf1.org
**/
#ifndef LANGUAGE_H
#define LANGUAGE_H
#include <list>
#include <string>
#include <stdexcept>
namespace RFC_3066 {
/** This class implements a parser for RFC 3066-compliant language codes. */
class Language {
private:
/* This is a list of the components, all in lowercase; for example,
* for de-AT the list would have the two elements "de" and "at". */
std::list<std::string> a;
public:
/** Construct from an RFC-3066-compliant string. */
Language(std::string rfc_3066) throw(std::domain_error);
/** Compare languages. The <-operator works lexicographically. */
bool operator==(const Language &o) const throw();
bool operator<(const Language &o) const throw();
/** Re-string to a RFC-3066-compliant string. */
operator std::string() const throw();
/** Concat only the first 'elements' elements of the language
* identifier and seperate them with the separator. */
std::string concat(int elements,
const std::string& separator = "-") const throw();
/** Find the longest prefix match in the given directory for the given
* language. For example, for de-AT-Vienna, de-AT-Vienna is checked
* first, then de-AT, then de. The directory should be /-postfixed. */
std::string find_suitable_file(const std::string &dir) const
throw(std::domain_error);
};
}
#endif
|
