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43ae1d95 | 1 | /* |
43ae1d95 | 2 | * DEBUG: section 86 ESI processing |
3 | * AUTHOR: Robert Collins | |
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. | |
26ac0430 | 21 | * |
43ae1d95 | 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. | |
26ac0430 | 26 | * |
43ae1d95 | 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 | * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org> | |
32 | */ | |
33 | ||
34 | #ifndef SQUID_ESISEQUENCE_H | |
35 | #define SQUID_ESISEQUENCE_H | |
36 | ||
f99c2cfe AR |
37 | #include "esi/Element.h" |
38 | #include "esi/ElementList.h" | |
582c2af2 | 39 | #include "MemPool.h" |
43ae1d95 | 40 | |
41 | /* esiSequence */ | |
42 | ||
43 | class esiSequence : public ESIElement | |
44 | { | |
45 | ||
46 | public: | |
b001e822 | 47 | MEMPROXY_CLASS(esiSequence); |
43ae1d95 | 48 | |
49 | esiSequence(esiTreeParentPtr, bool = false); | |
50 | ~esiSequence(); | |
51 | ||
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; | |
57 | void wontFail(); | |
924f73bc | 58 | void fail(ESIElement *, char const *anError = NULL); |
43ae1d95 | 59 | void makeCachableElements(esiSequence const &old); |
60 | Pointer makeCacheable() const; | |
924f73bc | 61 | void makeUsableElements(esiSequence const &old, ESIVarState &); |
62 | Pointer makeUsable(esiTreeParentPtr, ESIVarState &) const; | |
43ae1d95 | 63 | |
64 | ElementList elements; /* unprocessed or rendered nodes */ | |
65 | size_t processedcount; | |
66 | ||
26ac0430 | 67 | struct { |
3d0ac046 HN |
68 | int dovars:1; /* for esiVar */ |
69 | } flags; | |
43ae1d95 | 70 | void finish(); |
71 | ||
72 | protected: | |
73 | esiSequence(esiSequence const &); | |
74 | esiTreeParentPtr parent; | |
75 | ||
76 | private: | |
43ae1d95 | 77 | int elementIndex (ESIElement::Pointer anElement) const; |
78 | bool mayFail_; | |
79 | bool failed; | |
80 | esiProcessResult_t processOne(int, size_t); | |
81 | bool const provideIncrementalData; | |
82 | bool processing; | |
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); | |
89 | }; | |
90 | ||
d85b8894 | 91 | MEMPROXY_CLASS_INLINE(esiSequence); |
b001e822 | 92 | |
43ae1d95 | 93 | #endif /* SQUID_ESISEQUENCE_H */ |