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5dee515e | 1 | |
2 | /* | |
bf5113eb | 3 | * $Id: ACLReplyHeaderStrategy.h,v 1.3 2003/07/14 08:21:56 robertc Exp $ |
5dee515e | 4 | * |
5 | * | |
6 | * SQUID Web Proxy Cache http://www.squid-cache.org/ | |
7 | * ---------------------------------------------------------- | |
8 | * | |
9 | * Squid is the result of efforts by numerous individuals from | |
10 | * the Internet community; see the CONTRIBUTORS file for full | |
11 | * details. Many organizations have provided support for Squid's | |
12 | * development; see the SPONSORS file for full details. Squid is | |
13 | * Copyrighted (C) 2001 by the Regents of the University of | |
14 | * California; see the COPYRIGHT file for full details. Squid | |
15 | * incorporates software developed and/or copyrighted by other | |
16 | * sources; see the CREDITS file for full details. | |
17 | * | |
18 | * This program is free software; you can redistribute it and/or modify | |
19 | * it under the terms of the GNU General Public License as published by | |
20 | * the Free Software Foundation; either version 2 of the License, or | |
21 | * (at your option) any later version. | |
22 | * | |
23 | * This program is distributed in the hope that it will be useful, | |
24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | * GNU General Public License for more details. | |
27 | * | |
28 | * You should have received a copy of the GNU General Public License | |
29 | * along with this program; if not, write to the Free Software | |
30 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
31 | * | |
32 | * | |
33 | * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org> | |
34 | */ | |
35 | ||
b0dd28ba | 36 | #ifndef SQUID_ACLREPLYHEADERSTRATEGY_H |
37 | #define SQUID_ACLREPLYHEADERSTRATEGY_H | |
5dee515e | 38 | #include "ACL.h" |
39 | #include "ACLData.h" | |
b0dd28ba | 40 | #include "ACLStrategy.h" |
5dee515e | 41 | |
b0dd28ba | 42 | template <http_hdr_type header> |
62e76326 | 43 | |
b0dd28ba | 44 | class ACLReplyHeaderStrategy : public ACLStrategy<char const *> |
62e76326 | 45 | { |
46 | ||
47 | public: | |
b0dd28ba | 48 | virtual int match (ACLData<char const *> * &, ACLChecklist *); |
49 | virtual bool requiresReply() const {return true;} | |
50 | ||
51 | static ACLReplyHeaderStrategy *Instance(); | |
52 | /* Not implemented to prevent copies of the instance. */ | |
53 | /* Not private to prevent brain dead g+++ warnings about | |
54 | * private constructors with no friends */ | |
55 | ACLReplyHeaderStrategy(ACLReplyHeaderStrategy const &); | |
56 | ||
57 | private: | |
b6012c1a | 58 | static ACLReplyHeaderStrategy *Instance_; |
b0dd28ba | 59 | ACLReplyHeaderStrategy(){} |
62e76326 | 60 | |
b0dd28ba | 61 | ACLReplyHeaderStrategy&operator=(ACLReplyHeaderStrategy const &); |
62 | }; | |
63 | ||
64 | template <http_hdr_type header> | |
65 | int | |
66 | ACLReplyHeaderStrategy<header>::match (ACLData<char const *> * &data, ACLChecklist *checklist) | |
67 | { | |
68 | char const *theHeader = httpHeaderGetStr(&checklist->request->header, header); | |
69 | ||
70 | if (NULL == theHeader) | |
71 | return 0; | |
72 | ||
73 | return data->match(theHeader); | |
74 | } | |
75 | ||
76 | template <http_hdr_type header> | |
77 | ACLReplyHeaderStrategy<header> * | |
78 | ACLReplyHeaderStrategy<header>::Instance() | |
79 | { | |
b6012c1a | 80 | if (!Instance_) |
81 | Instance_ = new ACLReplyHeaderStrategy<header>; | |
82 | ||
83 | return Instance_; | |
b0dd28ba | 84 | } |
62e76326 | 85 | |
b0dd28ba | 86 | template <http_hdr_type header> |
bf5113eb | 87 | ACLReplyHeaderStrategy<header> (* ACLReplyHeaderStrategy<header>::Instance_)(NULL); |
5dee515e | 88 | |
b0dd28ba | 89 | #endif /* SQUID_REPLYHEADERSTRATEGY_H */ |