ftparchive/writer.h

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: writer.h,v 1.2 2001/02/20 07:03:18 jgg Exp $
   4 /* ######################################################################
   5
   6    Writer
   7
   8    The file writer classes. These write various types of output, sources,
   9    packages and contents.
  10
  11    ##################################################################### */
  12                                                                         /*}}}*/
  13 #ifndef WRITER_H
  14 #define WRITER_H
  15
  16 #ifdef __GNUG__
  17 #pragma interface "writer.h"
  18 #endif
  19
  20 #include <string>
  21 #include <stdio.h>
  22
  23 #include "cachedb.h"
  24 #include "override.h"
  25 #include "apt-ftparchive.h"
  26
  27 class FTWScanner
  28 {
  29    protected:
  30
  31    char *TmpExt;
  32    const char *Ext[10];
  33    const char *OriginalPath;
  34    char *RealPath;
  35    bool ErrorPrinted;
  36
  37    // Stuff for the delinker
  38    bool NoLinkAct;
  39
  40    static FTWScanner *Owner;
  41    static int Scanner(const char *File,const struct stat *sb,int Flag);
  42
  43    bool Delink(string &FileName,const char *OriginalPath,
  44                unsigned long &Bytes,struct stat &St);
  45
  46    inline void NewLine(unsigned Priority)
  47    {
  48       if (ErrorPrinted == false && Quiet <= Priority)
  49       {
  50          cout << endl;
  51          ErrorPrinted = true;
  52       }
  53    }
  54
  55    public:
  56
  57    unsigned long DeLinkLimit;
  58    string InternalPrefix;
  59
  60    virtual bool DoPackage(string FileName) = 0;
  61    bool RecursiveScan(string Dir);
  62    bool LoadFileList(string BaseDir,string File);
  63    bool SetExts(string Vals);
  64
  65    FTWScanner();
  66    virtual ~FTWScanner() {delete [] RealPath; delete [] TmpExt;};
  67 };
  68
  69 class PackagesWriter : public FTWScanner
  70 {
  71    Override Over;
  72    CacheDB Db;
  73
  74    public:
  75
  76    // Some flags
  77    bool DoMD5;
  78    bool NoOverride;
  79    bool DoContents;
  80
  81    // General options
  82    string PathPrefix;
  83    string DirStrip;
  84    FILE *Output;
  85    struct CacheDB::Stats &Stats;
  86
  87    inline bool ReadOverride(string File) {return Over.ReadOverride(File);};
  88    virtual bool DoPackage(string FileName);
  89
  90    PackagesWriter(string DB,string Overrides);
  91    virtual ~PackagesWriter() {};
  92 };
  93
  94 class ContentsWriter : public FTWScanner
  95 {
  96    CacheDB Db;
  97
  98    GenContents Gen;
  99
 100    public:
 101
 102    // General options
 103    FILE *Output;
 104    struct CacheDB::Stats &Stats;
 105    string Prefix;
 106
 107    bool DoPackage(string FileName,string Package);
 108    virtual bool DoPackage(string FileName)
 109              {return DoPackage(FileName,string());};
 110    bool ReadFromPkgs(string PkgFile,string PkgCompress);
 111
 112    void Finish() {Gen.Print(Output);};
 113    inline bool ReadyDB(string DB) {return Db.ReadyDB(DB);};
 114
 115    ContentsWriter(string DB);
 116    virtual ~ContentsWriter() {};
 117 };
 118
 119 class SourcesWriter : public FTWScanner
 120 {
 121    Override BOver;
 122    Override SOver;
 123    char *Buffer;
 124    unsigned long BufSize;
 125
 126    public:
 127
 128    bool NoOverride;
 129
 130    // General options
 131    string PathPrefix;
 132    string DirStrip;
 133    FILE *Output;
 134    struct CacheDB::Stats Stats;
 135
 136 /*   inline bool ReadBinOverride(string File) {return BOver.ReadOverride(File);};
 137    bool ReadSrcOverride(string File); // {return BOver.ReadOverride(File);};*/
 138    virtual bool DoPackage(string FileName);
 139
 140    SourcesWriter(string BOverrides,string SOverrides);
 141    virtual ~SourcesWriter() {free(Buffer);};
 142 };
 143
 144
 145 #endif