// -*- 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 relevent 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 <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; 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 string::size_type Pos = File.rfind(".gz"); if (Pos + 3 == File.length()) { File = 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.Fd(), Fd.Size()); Res.TakeHashes(Hash); URIDone(Res); return true; } /*}}}*/ int main() { setlocale(LC_ALL, ""); FileMethod Mth; return Mth.Run(); }