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1 // -*- mode: cpp; mode: fold -*-
2 // Description /*{{{*/
3 // $Id: deblistparser.h,v 1.9 2001/02/20 07:03:17 jgg Exp $
4 /* ######################################################################
5
6 Debian Package List Parser - This implements the abstract parser
7 interface for Debian package files
8
9 ##################################################################### */
10 /*}}}*/
11 #ifndef PKGLIB_DEBLISTPARSER_H
12 #define PKGLIB_DEBLISTPARSER_H
13
14 #include <apt-pkg/pkgcachegen.h>
15 #include <apt-pkg/indexfile.h>
16 #include <apt-pkg/tagfile.h>
17
18 class debListParser : public pkgCacheGenerator::ListParser
19 {
20 public:
21
22 // Parser Helper
23 struct WordList
24 {
25 const char *Str;
26 unsigned char Val;
27 };
28
29 private:
30
31 pkgTagFile Tags;
32 pkgTagSection Section;
33 unsigned long iOffset;
34 string Arch;
35 std::vector<std::string> Architectures;
36 bool MultiArchEnabled;
37
38 unsigned long UniqFindTagWrite(const char *Tag);
39 bool ParseStatus(pkgCache::PkgIterator &Pkg,pkgCache::VerIterator &Ver);
40 bool ParseDepends(pkgCache::VerIterator &Ver,const char *Tag,
41 unsigned int Type);
42 bool ParseProvides(pkgCache::VerIterator &Ver);
43 static bool GrabWord(string Word,WordList *List,unsigned char &Out);
44
45 public:
46
47 static unsigned char GetPrio(string Str);
48
49 // These all operate against the current section
50 virtual string Package();
51 virtual string Architecture();
52 virtual bool ArchitectureAll();
53 virtual string Version();
54 virtual bool NewVersion(pkgCache::VerIterator &Ver);
55 virtual string Description();
56 virtual string DescriptionLanguage();
57 virtual MD5SumValue Description_md5();
58 virtual unsigned short VersionHash();
59 virtual bool UsePackage(pkgCache::PkgIterator &Pkg,
60 pkgCache::VerIterator &Ver);
61 virtual unsigned long Offset() {return iOffset;};
62 virtual unsigned long Size() {return Section.size();};
63
64 virtual bool Step();
65
66 bool LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,FileFd &File,
67 string section);
68
69 static const char *ParseDepends(const char *Start,const char *Stop,
70 string &Package,string &Ver,unsigned int &Op,
71 bool const &ParseArchFlags = false,
72 bool const &StripMultiArch = false);
73 static const char *ConvertRelation(const char *I,unsigned int &Op);
74
75 debListParser(FileFd *File, string const &Arch = "");
76 };
77
78 #endif