apt  0.9.7.1ubuntu1
deblistparser.h
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/tagfile.h>
16 
17 #ifndef APT_8_CLEANER_HEADERS
18 #include <apt-pkg/indexfile.h>
19 #endif
20 
22 {
23  public:
24 
25  // Parser Helper
26  struct WordList
27  {
28  const char *Str;
29  unsigned char Val;
30  };
31 
32  private:
34  void *d;
35 
36  protected:
37  pkgTagFile Tags;
38  pkgTagSection Section;
39  unsigned long iOffset;
40  std::string Arch;
41  std::vector<std::string> Architectures;
42  bool MultiArchEnabled;
43 
44  unsigned long UniqFindTagWrite(const char *Tag);
45  virtual bool ParseStatus(pkgCache::PkgIterator &Pkg,pkgCache::VerIterator &Ver);
46  bool ParseDepends(pkgCache::VerIterator &Ver,const char *Tag,
47  unsigned int Type);
48  bool ParseProvides(pkgCache::VerIterator &Ver);
49  bool NewProvidesAllArch(pkgCache::VerIterator &Ver, std::string const &Package, std::string const &Version);
50  static bool GrabWord(std::string Word,WordList *List,unsigned char &Out);
51 
52  public:
53 
54  static unsigned char GetPrio(std::string Str);
55 
56  // These all operate against the current section
57  virtual std::string Package();
58  virtual std::string Architecture();
59  virtual bool ArchitectureAll();
60  virtual std::string Version();
61  virtual bool NewVersion(pkgCache::VerIterator &Ver);
62  virtual std::string Description();
63  virtual std::string DescriptionLanguage();
64  virtual MD5SumValue Description_md5();
65  virtual unsigned short VersionHash();
66  virtual bool UsePackage(pkgCache::PkgIterator &Pkg,
68  virtual unsigned long Offset() {return iOffset;};
69  virtual unsigned long Size() {return Section.size();};
70 
71  virtual bool Step();
72 
73  bool LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,FileFd &File,
74  std::string section);
75 
76  static const char *ParseDepends(const char *Start,const char *Stop,
77  std::string &Package,std::string &Ver,unsigned int &Op,
78  bool const &ParseArchFlags = false,
79  bool const &StripMultiArch = true);
80  static const char *ConvertRelation(const char *I,unsigned int &Op);
81 
82  debListParser(FileFd *File, std::string const &Arch = "");
83  virtual ~debListParser() {};
84 };
85 
86 #endif