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43ae1d95 | 1 | /* |
00d77d6b | 2 | * $Id: ESISequence.h,v 1.3 2003/08/04 22:14:40 robertc Exp $ |
43ae1d95 | 3 | * |
4 | * DEBUG: section 86 ESI processing | |
5 | * AUTHOR: Robert Collins | |
6 | * | |
7 | * SQUID Web Proxy Cache http://www.squid-cache.org/ | |
8 | * ---------------------------------------------------------- | |
9 | * | |
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. | |
18 | * | |
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. | |
23 | * | |
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. | |
28 | * | |
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. | |
32 | * | |
33 | * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org> | |
34 | */ | |
35 | ||
36 | #ifndef SQUID_ESISEQUENCE_H | |
37 | #define SQUID_ESISEQUENCE_H | |
38 | ||
39 | #include "squid.h" | |
40 | #include "ESIElement.h" | |
41 | #include "ElementList.h" | |
42 | ||
43 | /* esiSequence */ | |
44 | ||
45 | class esiSequence : public ESIElement | |
46 | { | |
47 | ||
48 | public: | |
49 | void *operator new (size_t byteCount); | |
50 | void operator delete (void *address); | |
43ae1d95 | 51 | |
52 | esiSequence(esiTreeParentPtr, bool = false); | |
53 | ~esiSequence(); | |
54 | ||
55 | void render(ESISegment::Pointer); | |
56 | bool addElement (ESIElement::Pointer); | |
57 | esiProcessResult_t process (int dovars); | |
58 | void provideData (ESISegment::Pointer, ESIElement*); | |
59 | bool mayFail () const; | |
60 | void wontFail(); | |
924f73bc | 61 | void fail(ESIElement *, char const *anError = NULL); |
43ae1d95 | 62 | void makeCachableElements(esiSequence const &old); |
63 | Pointer makeCacheable() const; | |
924f73bc | 64 | void makeUsableElements(esiSequence const &old, ESIVarState &); |
65 | Pointer makeUsable(esiTreeParentPtr, ESIVarState &) const; | |
43ae1d95 | 66 | |
67 | ElementList elements; /* unprocessed or rendered nodes */ | |
68 | size_t processedcount; | |
69 | ||
70 | struct | |
71 | { | |
72 | ||
73 | int dovars: | |
74 | 1; /* for esiVar */ | |
75 | } | |
76 | ||
77 | flags; | |
78 | void finish(); | |
79 | ||
80 | protected: | |
81 | esiSequence(esiSequence const &); | |
82 | esiTreeParentPtr parent; | |
83 | ||
84 | private: | |
85 | static MemPool *Pool; | |
86 | int elementIndex (ESIElement::Pointer anElement) const; | |
87 | bool mayFail_; | |
88 | bool failed; | |
89 | esiProcessResult_t processOne(int, size_t); | |
90 | bool const provideIncrementalData; | |
91 | bool processing; | |
92 | esiProcessResult_t processingResult; | |
93 | size_t nextElementToProcess_; | |
94 | size_t nextElementToProcess() const; | |
95 | void nextElementToProcess(size_t const &); | |
96 | bool finishedProcessing() const; | |
97 | void processStep(int dovars); | |
98 | }; | |
99 | ||
100 | #endif /* SQUID_ESISEQUENCE_H */ |