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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
// $Id: writer.h,v 1.4.2.2 2003/12/26 22:55:43 mdz Exp $
/* ######################################################################
Writer
The file writer classes. These write various types of output, sources,
packages and contents.
##################################################################### */
/*}}}*/
#ifndef WRITER_H
#define WRITER_H
#ifdef __GNUG__
#pragma interface "writer.h"
#endif
#include <string>
#include <stdio.h>
#include <iostream>
#include <vector>
#include <map>
#include "cachedb.h"
#include "override.h"
#include "apt-ftparchive.h"
using std::string;
using std::cout;
using std::endl;
using std::vector;
using std::map;
class FTWScanner
{
protected:
vector<string> Patterns;
const char *OriginalPath;
char *RealPath;
bool ErrorPrinted;
// Stuff for the delinker
bool NoLinkAct;
static FTWScanner *Owner;
static int Scanner(const char *File,const struct stat *sb,int Flag);
bool Delink(string &FileName,const char *OriginalPath,
unsigned long &Bytes,struct stat &St);
inline void NewLine(unsigned Priority)
{
if (ErrorPrinted == false && Quiet <= Priority)
{
cout << endl;
ErrorPrinted = true;
}
}
public:
unsigned long DeLinkLimit;
string InternalPrefix;
virtual bool DoPackage(string FileName) = 0;
bool RecursiveScan(string Dir);
bool LoadFileList(string BaseDir,string File);
void ClearPatterns() { Patterns.clear(); };
void AddPattern(string Pattern) { Patterns.push_back(Pattern); };
bool SetExts(string Vals);
FTWScanner();
virtual ~FTWScanner() {delete [] RealPath;};
};
class PackagesWriter : public FTWScanner
{
Override Over;
CacheDB Db;
public:
// Some flags
bool DoMD5;
bool NoOverride;
bool DoContents;
// General options
string PathPrefix;
string DirStrip;
FILE *Output;
struct CacheDB::Stats &Stats;
string Arch;
inline bool ReadOverride(string File) {return Over.ReadOverride(File);};
inline bool ReadExtraOverride(string File)
{return Over.ReadExtraOverride(File);};
virtual bool DoPackage(string FileName);
PackagesWriter(string DB,string Overrides,string ExtOverrides=string(),
string Arch=string());
virtual ~PackagesWriter() {};
};
class ContentsWriter : public FTWScanner
{
CacheDB Db;
GenContents Gen;
public:
// General options
FILE *Output;
struct CacheDB::Stats &Stats;
string Prefix;
bool DoPackage(string FileName,string Package);
virtual bool DoPackage(string FileName)
{return DoPackage(FileName,string());};
bool ReadFromPkgs(string PkgFile,string PkgCompress);
void Finish() {Gen.Print(Output);};
inline bool ReadyDB(string DB) {return Db.ReadyDB(DB);};
ContentsWriter(string DB);
virtual ~ContentsWriter() {};
};
class SourcesWriter : public FTWScanner
{
Override BOver;
Override SOver;
char *Buffer;
unsigned long BufSize;
public:
bool NoOverride;
// General options
string PathPrefix;
string DirStrip;
FILE *Output;
struct CacheDB::Stats Stats;
virtual bool DoPackage(string FileName);
SourcesWriter(string BOverrides,string SOverrides,
string ExtOverrides=string());
virtual ~SourcesWriter() {free(Buffer);};
};
class ReleaseWriter : public FTWScanner
{
public:
ReleaseWriter(string DB);
virtual bool DoPackage(string FileName);
void Finish();
FILE *Output;
// General options
string PathPrefix;
string DirStrip;
protected:
struct CheckSum
{
string MD5;
string SHA1;
// Limited by FileFd::Size()
unsigned long size;
~CheckSum() {};
};
map<string,struct CheckSum> CheckSums;
};
#endif
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