src/acl/MethodData.cc

   1 /*
   2  * DEBUG: section 28    Access Control
   3  * AUTHOR: Duane Wessels
   4  *
   5  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   6  * ----------------------------------------------------------
   7  *
   8  *  Squid is the result of efforts by numerous individuals from
   9  *  the Internet community; see the CONTRIBUTORS file for full
  10  *  details.   Many organizations have provided support for Squid's
  11  *  development; see the SPONSORS file for full details.  Squid is
  12  *  Copyrighted (C) 2001 by the Regents of the University of
  13  *  California; see the COPYRIGHT file for full details.  Squid
  14  *  incorporates software developed and/or copyrighted by other
  15  *  sources; see the CREDITS file for full details.
  16  *
  17  *  This program is free software; you can redistribute it and/or modify
  18  *  it under the terms of the GNU General Public License as published by
  19  *  the Free Software Foundation; either version 2 of the License, or
  20  *  (at your option) any later version.
  21  *
  22  *  This program is distributed in the hope that it will be useful,
  23  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  *  GNU General Public License for more details.
  26  *
  27  *  You should have received a copy of the GNU General Public License
  28  *  along with this program; if not, write to the Free Software
  29  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  30  *
  31  *
  32  * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
  33  */
  34
  35 #include "squid.h"
  36 #include "acl/MethodData.h"
  37 #include "acl/Checklist.h"
  38 #include "cache_cf.h"
  39 #include "HttpRequestMethod.h"
  40 #include "protos.h"
  41 #include "wordlist.h"
  42
  43 int ACLMethodData::ThePurgeCount = 0;
  44
  45 ACLMethodData::ACLMethodData() : values (NULL)
  46 {}
  47
  48 ACLMethodData::ACLMethodData(ACLMethodData const &old) : values (NULL)
  49 {
  50     assert (!old.values);
  51 }
  52
  53 ACLMethodData::~ACLMethodData()
  54 {
  55     if (values)
  56         delete values;
  57 }
  58
  59 /// todo make this a pass-by-reference now that HTTPRequestMethods a full class?
  60 bool
  61 ACLMethodData::match(HttpRequestMethod toFind)
  62 {
  63     return values->findAndTune(toFind);
  64 }
  65
  66 /* explicit instantiation required for some systems */
  67
  68 /// \cond AUTODOCS-IGNORE
  69 template cbdata_type CbDataList<HttpRequestMethod>::CBDATA_CbDataList;
  70 /// \endcond
  71
  72 wordlist *
  73 ACLMethodData::dump()
  74 {
  75     wordlist *W = NULL;
  76     CbDataList<HttpRequestMethod> *data = values;
  77
  78     while (data != NULL) {
  79         wordlistAdd(&W, RequestMethodStr(data->element));
  80         data = data->next;
  81     }
  82
  83     return W;
  84 }
  85
  86 void
  87 ACLMethodData::parse()
  88 {
  89     CbDataList<HttpRequestMethod> **Tail;
  90     char *t = NULL;
  91
  92     for (Tail = &values; *Tail; Tail = &((*Tail)->next));
  93     while ((t = strtokFile())) {
  94         if (strcmp(t, "PURGE") == 0)
  95             ++ThePurgeCount; // configuration code wants to know
  96         CbDataList<HttpRequestMethod> *q = new CbDataList<HttpRequestMethod> (HttpRequestMethod(t, NULL));
  97         *(Tail) = q;
  98         Tail = &q->next;
  99     }
 100 }
 101
 102 bool
 103 ACLMethodData::empty() const
 104 {
 105     return values == NULL;
 106 }
 107
 108 ACLData<HttpRequestMethod> *
 109 ACLMethodData::clone() const
 110 {
 111     assert (!values);
 112     return new ACLMethodData(*this);
 113 }