123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100 |
- // -*- mode: cpp; mode: fold -*-
- // Description /*{{{*/
- // $Id: file.cc,v 1.9.2.1 2004/01/16 18:58:50 mdz Exp $
- /* ######################################################################
- File URI method for APT
-
- This simply checks that the file specified exists, if so the relevant
- information is returned. If a .gz filename is specified then the file
- name with .gz removed will also be checked and information about it
- will be returned in Alt-*
-
- ##################################################################### */
- /*}}}*/
- // Include Files /*{{{*/
- #include <config.h>
- #include <apt-pkg/acquire-method.h>
- #include <apt-pkg/error.h>
- #include <apt-pkg/hashes.h>
- #include <apt-pkg/fileutl.h>
- #include <apt-pkg/strutl.h>
- #include <sys/stat.h>
- #include <unistd.h>
- #include <apti18n.h>
- /*}}}*/
- class FileMethod : public pkgAcqMethod
- {
- virtual bool Fetch(FetchItem *Itm);
-
- public:
-
- FileMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly) {};
- };
- // FileMethod::Fetch - Fetch a file /*{{{*/
- // ---------------------------------------------------------------------
- /* */
- bool FileMethod::Fetch(FetchItem *Itm)
- {
- URI Get = Itm->Uri;
- std::string File = Get.Path;
- FetchResult Res;
- if (Get.Host.empty() == false)
- return _error->Error(_("Invalid URI, local URIS must not start with //"));
- // See if the file exists
- struct stat Buf;
- if (stat(File.c_str(),&Buf) == 0)
- {
- Res.Size = Buf.st_size;
- Res.Filename = File;
- Res.LastModified = Buf.st_mtime;
- Res.IMSHit = false;
- if (Itm->LastModified == Buf.st_mtime && Itm->LastModified != 0)
- Res.IMSHit = true;
- }
-
- // See if we can compute a file without a .gz exentsion
- std::string::size_type Pos = File.rfind(".gz");
- if (Pos + 3 == File.length())
- {
- File = std::string(File,0,Pos);
- if (stat(File.c_str(),&Buf) == 0)
- {
- FetchResult AltRes;
- AltRes.Size = Buf.st_size;
- AltRes.Filename = File;
- AltRes.LastModified = Buf.st_mtime;
- AltRes.IMSHit = false;
- if (Itm->LastModified == Buf.st_mtime && Itm->LastModified != 0)
- AltRes.IMSHit = true;
-
- URIDone(Res,&AltRes);
- return true;
- }
- }
-
- if (Res.Filename.empty() == true)
- return _error->Error(_("File not found"));
- Hashes Hash;
- FileFd Fd(Res.Filename, FileFd::ReadOnly);
- Hash.AddFD(Fd);
- Res.TakeHashes(Hash);
- URIDone(Res);
- return true;
- }
- /*}}}*/
- int main()
- {
- setlocale(LC_ALL, "");
- FileMethod Mth;
- return Mth.Run();
- }
|