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1 | // -*- mode: cpp; mode: fold -*- |
2 | // Description /*{{{*/ | |
dcb79bae | 3 | // $Id: pkgcachegen.h,v 1.3 1998/07/05 05:33:57 jgg Exp $ |
578bfd0a AL |
4 | /* ###################################################################### |
5 | ||
6 | Package Cache Generator - Generator for the cache structure. | |
7 | ||
8 | This builds the cache structure from the abstract package list parser. | |
9 | ||
10 | ##################################################################### */ | |
11 | /*}}}*/ | |
12 | // Header section: pkglib | |
13 | #ifndef PKGLIB_PKGCACHEGEN_H | |
14 | #define PKGLIB_PKGCACHEGEN_H | |
15 | ||
16 | #include <pkglib/pkgcache.h> | |
17 | ||
18 | class pkgCacheGenerator | |
19 | { | |
20 | public: | |
21 | ||
22 | class ListParser; | |
23 | ||
24 | protected: | |
25 | ||
26 | DynamicMMap ⤅ | |
27 | pkgCache Cache; | |
28 | ||
29 | string PkgFileName; | |
30 | pkgCache::PackageFile *CurrentFile; | |
31 | ||
f55a958f AL |
32 | bool NewPackage(pkgCache::PkgIterator &Pkg,string Pkg); |
33 | bool NewFileVer(pkgCache::VerIterator &Ver,ListParser &List); | |
34 | unsigned long NewVersion(pkgCache::VerIterator &Ver,string VerStr,unsigned long Next); | |
578bfd0a | 35 | |
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36 | unsigned long WriteUniqString(const char *S,unsigned int Size); |
37 | inline unsigned long WriteUniqString(string S) {return WriteUniqString(S);}; | |
38 | ||
578bfd0a AL |
39 | public: |
40 | ||
41 | // This is the abstract package list parser class. | |
42 | class ListParser | |
43 | { | |
44 | pkgCacheGenerator *Owner; | |
45 | friend pkgCacheGenerator; | |
46 | ||
47 | protected: | |
48 | ||
f55a958f AL |
49 | inline unsigned long WriteUniqString(string S) {return Owner->WriteUniqString(S);}; |
50 | inline unsigned long WriteUniqString(const char *S,unsigned int Size) {return Owner->WriteUniqString(S,Size);}; | |
578bfd0a AL |
51 | inline unsigned long WriteString(string S) {return Owner->Map.WriteString(S);}; |
52 | inline unsigned long WriteString(const char *S,unsigned int Size) {return Owner->Map.WriteString(S,Size);}; | |
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53 | bool NewDepends(pkgCache::VerIterator Ver,string Package, |
54 | string Version,unsigned int Op, | |
55 | unsigned int Type); | |
56 | bool NewProvides(pkgCache::VerIterator Ver,string Package,string Version); | |
f55a958f | 57 | |
578bfd0a AL |
58 | public: |
59 | ||
60 | // These all operate against the current section | |
61 | virtual string Package() = 0; | |
62 | virtual string Version() = 0; | |
63 | virtual bool NewVersion(pkgCache::VerIterator Ver) = 0; | |
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64 | virtual bool UsePackage(pkgCache::PkgIterator Pkg, |
65 | pkgCache::VerIterator Ver) = 0; | |
dcb79bae AL |
66 | virtual unsigned long Offset() = 0; |
67 | virtual unsigned long Size() = 0; | |
68 | ||
578bfd0a | 69 | virtual bool Step() = 0; |
dcb79bae | 70 | |
f55a958f | 71 | virtual ~ListParser() {}; |
578bfd0a AL |
72 | }; |
73 | friend ListParser; | |
74 | ||
75 | bool SelectFile(string File,unsigned long Flags = 0); | |
76 | bool MergeList(ListParser &List); | |
77 | ||
78 | pkgCacheGenerator(DynamicMMap &Map); | |
79 | ~pkgCacheGenerator(); | |
80 | }; | |
81 | ||
82 | #endif |