2 * DEBUG: section 86 ESI processing
3 * AUTHOR: Robert Collins
5 * SQUID Web Proxy Cache http://www.squid-cache.org/
6 * ----------------------------------------------------------
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.
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.
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.
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.
31 * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
34 #ifndef SQUID_ESISEQUENCE_H
35 #define SQUID_ESISEQUENCE_H
37 #include "esi/Element.h"
38 #include "esi/ElementList.h"
43 class esiSequence
: public ESIElement
47 MEMPROXY_CLASS(esiSequence
);
49 esiSequence(esiTreeParentPtr
, bool = false);
52 void render(ESISegment::Pointer
);
53 bool addElement (ESIElement::Pointer
);
54 esiProcessResult_t
process (int dovars
);
55 void provideData (ESISegment::Pointer
, ESIElement
*);
56 bool mayFail () const;
58 void fail(ESIElement
*, char const *anError
= NULL
);
59 void makeCachableElements(esiSequence
const &old
);
60 Pointer
makeCacheable() const;
61 void makeUsableElements(esiSequence
const &old
, ESIVarState
&);
62 Pointer
makeUsable(esiTreeParentPtr
, ESIVarState
&) const;
64 ElementList elements
; /* unprocessed or rendered nodes */
65 size_t processedcount
;
68 int dovars
:1; /* for esiVar */
73 esiSequence(esiSequence
const &);
74 esiTreeParentPtr parent
;
77 int elementIndex (ESIElement::Pointer anElement
) const;
80 esiProcessResult_t
processOne(int, size_t);
81 bool const provideIncrementalData
;
83 esiProcessResult_t processingResult
;
84 size_t nextElementToProcess_
;
85 size_t nextElementToProcess() const;
86 void nextElementToProcess(size_t const &);
87 bool finishedProcessing() const;
88 void processStep(int dovars
);
91 MEMPROXY_CLASS_INLINE(esiSequence
);
93 #endif /* SQUID_ESISEQUENCE_H */