// -*- 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 #include #include #include #include #include #include #include #include #include /*}}}*/ class FileMethod : public pkgAcqMethod { virtual bool Fetch(FetchItem *Itm); public: FileMethod() : pkgAcqMethod("1.0",SingleInstance | SendConfig | 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 the uncompressed file exists and reuse it std::vector extensions = APT::Configuration::getCompressorExtensions(); for (std::vector::const_iterator ext = extensions.begin(); ext != extensions.end(); ++ext) { if (APT::String::Endswith(File, *ext) == true) { std::string const unfile = File.substr(0, File.length() - ext->length() - 1); if (stat(unfile.c_str(),&Buf) == 0) { FetchResult AltRes; AltRes.Size = Buf.st_size; AltRes.Filename = unfile; 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; } // no break here as we could have situations similar to '.gz' vs '.tar.gz' here } } 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(); }