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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
/* ######################################################################
Writer
The file writer classes. These write various types of output, sources,
packages and contents.
##################################################################### */
/*}}}*/
#ifndef WRITER_H
#define WRITER_H
#include <apt-pkg/hashes.h>
#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <map>
#include <set>
#include <string>
#include <utility>
#include <vector>
#include <sys/types.h>
#include "apt-ftparchive.h"
#include "cachedb.h"
#include "contents.h"
#include "override.h"
using std::string;
using std::cout;
using std::endl;
using std::vector;
using std::map;
class FTWScanner
{
protected:
vector<string> Patterns;
vector<std::pair<string, bool>> FilesToProcess;
string Arch;
bool IncludeArchAll;
const char *OriginalPath;
bool ErrorPrinted;
// Stuff for the delinker
bool NoLinkAct;
static FTWScanner *Owner;
static int ScannerFTW(const char *File,const struct stat *sb,int Flag);
static int ScannerFile(const char *const File, bool const ReadLink);
static int ProcessFile(const char *const File, bool const ReadLink);
bool Delink(string &FileName,const char *OriginalPath,
unsigned long long &Bytes,unsigned long long const &FileSize);
inline void NewLine(unsigned const &Priority)
{
if (ErrorPrinted == false && Quiet <= Priority)
{
c1out << endl;
ErrorPrinted = true;
}
}
public:
FileFd *Output;
bool OwnsOutput;
unsigned int DoHashes;
unsigned long DeLinkLimit;
string InternalPrefix;
virtual bool DoPackage(string FileName) = 0;
bool RecursiveScan(string const &Dir);
bool LoadFileList(string const &BaseDir,string const &File);
void ClearPatterns() { Patterns.clear(); };
void AddPattern(string const &Pattern) { Patterns.push_back(Pattern); };
void AddPattern(char const *Pattern) { Patterns.push_back(Pattern); };
void AddPatterns(std::vector<std::string> const &patterns) { Patterns.insert(Patterns.end(), patterns.begin(), patterns.end()); };
bool SetExts(string const &Vals);
FTWScanner(FileFd * const Output, string const &Arch = string(), bool const IncludeArchAll = true);
virtual ~FTWScanner();
};
class MultiCompress;
class TranslationWriter
{
MultiCompress *Comp;
std::set<string> Included;
FileFd *Output;
public:
bool DoPackage(string const &Pkg, string const &Desc, string const &MD5);
TranslationWriter(string const &File, string const &TransCompress, mode_t const &Permissions);
~TranslationWriter();
};
class PackagesWriter : public FTWScanner
{
Override Over;
CacheDB Db;
public:
// Some flags
bool DoAlwaysStat;
bool NoOverride;
bool DoContents;
bool LongDescription;
// General options
string PathPrefix;
string DirStrip;
struct CacheDB::Stats &Stats;
TranslationWriter * const TransWriter;
inline bool ReadOverride(string const &File) {return Over.ReadOverride(File);};
inline bool ReadExtraOverride(string const &File)
{return Over.ReadExtraOverride(File);};
virtual bool DoPackage(string FileName) APT_OVERRIDE;
PackagesWriter(FileFd * const Output, TranslationWriter * const TransWriter, string const &DB,
string const &Overrides,
string const &ExtOverrides = "",
string const &Arch = "",
bool const IncludeArchAll = true);
virtual ~PackagesWriter();
};
class ContentsWriter : public FTWScanner
{
CacheDB Db;
GenContents Gen;
public:
// General options
struct CacheDB::Stats &Stats;
string Prefix;
bool DoPackage(string FileName,string Package);
virtual bool DoPackage(string FileName) APT_OVERRIDE
{return DoPackage(FileName,string());};
bool ReadFromPkgs(string const &PkgFile,string const &PkgCompress);
void Finish() {Gen.Print(*Output);};
inline bool ReadyDB(string const &DB) {return Db.ReadyDB(DB);};
ContentsWriter(FileFd * const Output, string const &DB, string const &Arch = string(),
bool const IncludeArchAll = true);
virtual ~ContentsWriter() {};
};
class SourcesWriter : public FTWScanner
{
CacheDB Db;
Override BOver;
Override SOver;
char *Buffer;
unsigned long long BufSize;
public:
bool NoOverride;
bool DoAlwaysStat;
// General options
string PathPrefix;
string DirStrip;
struct CacheDB::Stats &Stats;
virtual bool DoPackage(string FileName) APT_OVERRIDE;
SourcesWriter(FileFd * const Output, string const &DB,string const &BOverrides,string const &SOverrides,
string const &ExtOverrides=string());
virtual ~SourcesWriter() {free(Buffer);};
};
class ReleaseWriter : public FTWScanner
{
public:
ReleaseWriter(FileFd * const Output, string const &DB);
virtual bool DoPackage(string FileName) APT_OVERRIDE;
void Finish();
// General options
string PathPrefix;
string DirStrip;
struct CheckSum
{
HashStringList Hashes;
// Limited by FileFd::Size()
unsigned long long size;
~CheckSum() {};
};
protected:
map<string,struct CheckSum> CheckSums;
};
#endif
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