apt-pkg/deb/debrecords.h

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: debrecords.h,v 1.8 2001/03/13 06:51:46 jgg Exp $
   4 /* ######################################################################
   5
   6    Debian Package Records - Parser for debian package records
   7
   8    This provides display-type parsing for the Packages file. This is
   9    different than the the list parser which provides cache generation
  10    services. There should be no overlap between these two.
  11
  12    ##################################################################### */
  13                                                                         /*}}}*/
  14 #ifndef PKGLIB_DEBRECORDS_H
  15 #define PKGLIB_DEBRECORDS_H
  16
  17 #include <apt-pkg/pkgrecords.h>
  18 #include <apt-pkg/tagfile.h>
  19 #include <apt-pkg/fileutl.h>
  20 #include <apt-pkg/pkgcache.h>
  21
  22 #include <string>
  23
  24 #ifndef APT_8_CLEANER_HEADERS
  25 #include <apt-pkg/indexfile.h>
  26 #endif
  27
  28 class APT_HIDDEN debRecordParserBase : public pkgRecords::Parser
  29 {
  30    void * const d;
  31  protected:
  32    pkgTagSection Section;
  33
  34  public:
  35    // These refer to the archive file for the Version
  36    virtual std::string FileName() APT_OVERRIDE;
  37    virtual std::string SourcePkg() APT_OVERRIDE;
  38    virtual std::string SourceVer() APT_OVERRIDE;
  39
  40    virtual HashStringList Hashes() const APT_OVERRIDE;
  41
  42    // These are some general stats about the package
  43    virtual std::string Maintainer() APT_OVERRIDE;
  44    virtual std::string ShortDesc(std::string const &lang) APT_OVERRIDE;
  45    virtual std::string LongDesc(std::string const &lang) APT_OVERRIDE;
  46    virtual std::string Name() APT_OVERRIDE;
  47    virtual std::string Homepage() APT_OVERRIDE;
  48
  49    // An arbitrary custom field
  50    virtual std::string RecordField(const char *fieldName) APT_OVERRIDE;
  51
  52    virtual void GetRec(const char *&Start,const char *&Stop) APT_OVERRIDE;
  53
  54    debRecordParserBase();
  55    virtual ~debRecordParserBase();
  56 };
  57
  58 class APT_HIDDEN debRecordParser : public debRecordParserBase
  59 {
  60    void * const d;
  61  protected:
  62    FileFd File;
  63    pkgTagFile Tags;
  64
  65    virtual bool Jump(pkgCache::VerFileIterator const &Ver) APT_OVERRIDE;
  66    virtual bool Jump(pkgCache::DescFileIterator const &Desc) APT_OVERRIDE;
  67
  68  public:
  69    debRecordParser(std::string FileName,pkgCache &Cache);
  70    virtual ~debRecordParser();
  71 };
  72
  73 // custom record parser that reads deb files directly
  74 class APT_HIDDEN debDebFileRecordParser : public debRecordParserBase
  75 {
  76    void * const d;
  77    std::string debFileName;
  78    std::string controlContent;
  79
  80    APT_HIDDEN bool LoadContent();
  81  protected:
  82    // single file files, so no jumping whatsoever
  83    bool Jump(pkgCache::VerFileIterator const &) APT_OVERRIDE;
  84    bool Jump(pkgCache::DescFileIterator const &) APT_OVERRIDE;
  85
  86  public:
  87    virtual std::string FileName() APT_OVERRIDE;
  88
  89    debDebFileRecordParser(std::string FileName);
  90    virtual ~debDebFileRecordParser();
  91 };
  92
  93 #endif