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 Display() APT_OVERRIDE;
  48    virtual std::string Homepage() APT_OVERRIDE;
  49
  50    // An arbitrary custom field
  51    virtual std::string RecordField(const char *fieldName) APT_OVERRIDE;
  52
  53    virtual void GetRec(const char *&Start,const char *&Stop) APT_OVERRIDE;
  54    virtual bool Find(const char *Tag,const char *&Start, const char *&End) APT_OVERRIDE;
  55
  56    debRecordParserBase();
  57    virtual ~debRecordParserBase();
  58 };
  59
  60 class APT_HIDDEN debRecordParser : public debRecordParserBase
  61 {
  62    void * const d;
  63  protected:
  64    FileFd File;
  65    pkgTagFile Tags;
  66
  67    virtual bool Jump(pkgCache::VerFileIterator const &Ver) APT_OVERRIDE;
  68    virtual bool Jump(pkgCache::DescFileIterator const &Desc) APT_OVERRIDE;
  69
  70  public:
  71    debRecordParser(std::string FileName,pkgCache &Cache);
  72    virtual ~debRecordParser();
  73 };
  74
  75 // custom record parser that reads deb files directly
  76 class APT_HIDDEN debDebFileRecordParser : public debRecordParserBase
  77 {
  78    void * const d;
  79    std::string debFileName;
  80    std::string controlContent;
  81
  82    APT_HIDDEN bool LoadContent();
  83  protected:
  84    // single file files, so no jumping whatsoever
  85    bool Jump(pkgCache::VerFileIterator const &) APT_OVERRIDE;
  86    bool Jump(pkgCache::DescFileIterator const &) APT_OVERRIDE;
  87
  88  public:
  89    virtual std::string FileName() APT_OVERRIDE;
  90
  91    debDebFileRecordParser(std::string FileName);
  92    virtual ~debDebFileRecordParser();
  93 };
  94
  95 #endif