4 * DEBUG: section 86 ESI processing
5 * AUTHOR: Robert Collins
7 * SQUID Web Proxy Cache http://www.squid-cache.org/
8 * ----------------------------------------------------------
10 * Squid is the result of efforts by numerous individuals from
11 * the Internet community; see the CONTRIBUTORS file for full
12 * details. Many organizations have provided support for Squid's
13 * development; see the SPONSORS file for full details. Squid is
14 * Copyrighted (C) 2001 by the Regents of the University of
15 * California; see the COPYRIGHT file for full details. Squid
16 * incorporates software developed and/or copyrighted by other
17 * sources; see the CREDITS file for full details.
19 * This program is free software; you can redistribute it and/or modify
20 * it under the terms of the GNU General Public License as published by
21 * the Free Software Foundation; either version 2 of the License, or
22 * (at your option) any later version.
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
33 * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
36 #ifndef SQUID_ESISEQUENCE_H
37 #define SQUID_ESISEQUENCE_H
40 #include "esi/Element.h"
41 #include "esi/ElementList.h"
45 class esiSequence
: public ESIElement
49 MEMPROXY_CLASS(esiSequence
);
51 esiSequence(esiTreeParentPtr
, bool = false);
54 void render(ESISegment::Pointer
);
55 bool addElement (ESIElement::Pointer
);
56 esiProcessResult_t
process (int dovars
);
57 void provideData (ESISegment::Pointer
, ESIElement
*);
58 bool mayFail () const;
60 void fail(ESIElement
*, char const *anError
= NULL
);
61 void makeCachableElements(esiSequence
const &old
);
62 Pointer
makeCacheable() const;
63 void makeUsableElements(esiSequence
const &old
, ESIVarState
&);
64 Pointer
makeUsable(esiTreeParentPtr
, ESIVarState
&) const;
66 ElementList elements
; /* unprocessed or rendered nodes */
67 size_t processedcount
;
70 int dovars
:1; /* for esiVar */
75 esiSequence(esiSequence
const &);
76 esiTreeParentPtr parent
;
79 int elementIndex (ESIElement::Pointer anElement
) const;
82 esiProcessResult_t
processOne(int, size_t);
83 bool const provideIncrementalData
;
85 esiProcessResult_t processingResult
;
86 size_t nextElementToProcess_
;
87 size_t nextElementToProcess() const;
88 void nextElementToProcess(size_t const &);
89 bool finishedProcessing() const;
90 void processStep(int dovars
);
93 MEMPROXY_CLASS_INLINE(esiSequence
);
95 #endif /* SQUID_ESISEQUENCE_H */