apt-pkg/deb/debrecords.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: debrecords.cc,v 1.4 1999/01/27 02:48:53 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) : Tags(File,4*1024)
  22 {
  23 }
  24                                                                         /*}}}*/
  25 // RecordParser::Jump - Jump to a specific record                       /*{{{*/
  26 // ---------------------------------------------------------------------
  27 /* */
  28 bool debRecordParser::Jump(pkgCache::VerFileIterator const &Ver)
  29 {
  30    return Tags.Jump(Section,Ver->Offset);
  31 }
  32                                                                         /*}}}*/
  33 // RecordParser::FindTag - Locate a tag and return a string             /*{{{*/
  34 // ---------------------------------------------------------------------
  35 /* */
  36 string debRecordParser::FindTag(const char *Tag)
  37 {
  38    const char *Start;
  39    const char *Stop;
  40    if (Section.Find(Tag,Start,Stop) == false)
  41       return string();
  42    return string(Start,Stop - Start);
  43 }
  44                                                                         /*}}}*/
  45 // RecordParser::FileName - Return the archive filename on the site     /*{{{*/
  46 // ---------------------------------------------------------------------
  47 /* */
  48 string debRecordParser::FileName()
  49 {
  50    return FindTag("Filename");
  51 }
  52                                                                         /*}}}*/
  53 // RecordParser::MD5Hash - Return the archive hash                      /*{{{*/
  54 // ---------------------------------------------------------------------
  55 /* */
  56 string debRecordParser::MD5Hash()
  57 {
  58    return FindTag("MD5sum");
  59 }
  60                                                                         /*}}}*/
  61 // RecordParser::Maintainer - Return the maintainer email               /*{{{*/
  62 // ---------------------------------------------------------------------
  63 /* */
  64 string debRecordParser::Maintainer()
  65 {
  66    return FindTag("Maintainer");
  67 }
  68                                                                         /*}}}*/
  69 // RecordParser::ShortDesc - Return a 1 line description                /*{{{*/
  70 // ---------------------------------------------------------------------
  71 /* */
  72 string debRecordParser::ShortDesc()
  73 {
  74    string Res = FindTag("Description");
  75    string::size_type Pos = Res.find('\n');
  76    if (Pos == string::npos)
  77       return Res;
  78    return string(Res,0,Pos);
  79 }
  80                                                                         /*}}}*/
  81 // RecordParser::LongDesc - Return a longer description                 /*{{{*/
  82 // ---------------------------------------------------------------------
  83 /* */
  84 string debRecordParser::LongDesc()
  85 {
  86    return FindTag("Description");
  87 }
  88                                                                         /*}}}*/