apt-pkg/deb/debrecords.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: debrecords.cc,v 1.5 1999/02/22 03:30:06 jgg Exp $
   4 /* ######################################################################
   5
   6    Debian Package Records - Parser for debian package records
   7
   8    ##################################################################### */
   9                                                                         /*}}}*/
  10 // Include Files                                                        /*{{{*/
  11 #ifdef __GNUG__
  12 #pragma implementation "apt-pkg/debrecords.h"
  13 #endif
  14 #include <apt-pkg/debrecords.h>
  15 #include <apt-pkg/error.h>
  16                                                                         /*}}}*/
  17
  18 // RecordParser::debRecordParser - Constructor                          /*{{{*/
  19 // ---------------------------------------------------------------------
  20 /* */
  21 debRecordParser::debRecordParser(FileFd &File,pkgCache &Cache) :
  22                    Tags(File,Cache.Head().MaxVerFileSize + 20)
  23 {
  24 }
  25                                                                         /*}}}*/
  26 // RecordParser::Jump - Jump to a specific record                       /*{{{*/
  27 // ---------------------------------------------------------------------
  28 /* */
  29 bool debRecordParser::Jump(pkgCache::VerFileIterator const &Ver)
  30 {
  31    return Tags.Jump(Section,Ver->Offset);
  32 }
  33                                                                         /*}}}*/
  34 // RecordParser::FindTag - Locate a tag and return a string             /*{{{*/
  35 // ---------------------------------------------------------------------
  36 /* */
  37 string debRecordParser::FindTag(const char *Tag)
  38 {
  39    const char *Start;
  40    const char *Stop;
  41    if (Section.Find(Tag,Start,Stop) == false)
  42       return string();
  43    return string(Start,Stop - Start);
  44 }
  45                                                                         /*}}}*/
  46 // RecordParser::FileName - Return the archive filename on the site     /*{{{*/
  47 // ---------------------------------------------------------------------
  48 /* */
  49 string debRecordParser::FileName()
  50 {
  51    return FindTag("Filename");
  52 }
  53                                                                         /*}}}*/
  54 // RecordParser::MD5Hash - Return the archive hash                      /*{{{*/
  55 // ---------------------------------------------------------------------
  56 /* */
  57 string debRecordParser::MD5Hash()
  58 {
  59    return FindTag("MD5sum");
  60 }
  61                                                                         /*}}}*/
  62 // RecordParser::Maintainer - Return the maintainer email               /*{{{*/
  63 // ---------------------------------------------------------------------
  64 /* */
  65 string debRecordParser::Maintainer()
  66 {
  67    return FindTag("Maintainer");
  68 }
  69                                                                         /*}}}*/
  70 // RecordParser::ShortDesc - Return a 1 line description                /*{{{*/
  71 // ---------------------------------------------------------------------
  72 /* */
  73 string debRecordParser::ShortDesc()
  74 {
  75    string Res = FindTag("Description");
  76    string::size_type Pos = Res.find('\n');
  77    if (Pos == string::npos)
  78       return Res;
  79    return string(Res,0,Pos);
  80 }
  81                                                                         /*}}}*/
  82 // RecordParser::LongDesc - Return a longer description                 /*{{{*/
  83 // ---------------------------------------------------------------------
  84 /* */
  85 string debRecordParser::LongDesc()
  86 {
  87    return FindTag("Description");
  88 }
  89                                                                         /*}}}*/