| | 1 | // -*- mode: cpp; mode: fold -*- |
| | 2 | // Description /*{{{*/ |
| | 3 | // $Id: file.cc,v 1.8 2000/01/27 04:15:10 jgg Exp $ |
| | 4 | /* ###################################################################### |
| | 5 | |
| | 6 | File URI method for APT |
| | 7 | |
| | 8 | This simply checks that the file specified exists, if so the relevent |
| | 9 | information is returned. If a .gz filename is specified then the file |
| | 10 | name with .gz removed will also be checked and information about it |
| | 11 | will be returned in Alt-* |
| | 12 | |
| | 13 | ##################################################################### */ |
| | 14 | /*}}}*/ |
| | 15 | // Include Files /*{{{*/ |
| | 16 | #include <apt-pkg/acquire-method.h> |
| | 17 | #include <apt-pkg/error.h> |
| | 18 | |
| | 19 | #include <sys/stat.h> |
| | 20 | #include <unistd.h> |
| | 21 | /*}}}*/ |
| | 22 | |
| | 23 | class FileMethod : public pkgAcqMethod |
| | 24 | { |
| | 25 | virtual bool Fetch(FetchItem *Itm); |
| | 26 | |
| | 27 | public: |
| | 28 | |
| | 29 | FileMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly) {}; |
| | 30 | }; |
| | 31 | |
| | 32 | // FileMethod::Fetch - Fetch a file /*{{{*/ |
| | 33 | // --------------------------------------------------------------------- |
| | 34 | /* */ |
| | 35 | bool FileMethod::Fetch(FetchItem *Itm) |
| | 36 | { |
| | 37 | URI Get = Itm->Uri; |
| | 38 | string File = Get.Path; |
| | 39 | FetchResult Res; |
| | 40 | if (Get.Host.empty() == false) |
| | 41 | return _error->Error("Invalid URI, local URIS must not start with //"); |
| | 42 | |
| | 43 | // See if the file exists |
| | 44 | struct stat Buf; |
| | 45 | if (stat(File.c_str(),&Buf) == 0) |
| | 46 | { |
| | 47 | Res.Size = Buf.st_size; |
| | 48 | Res.Filename = File; |
| | 49 | Res.LastModified = Buf.st_mtime; |
| | 50 | Res.IMSHit = false; |
| | 51 | if (Itm->LastModified == Buf.st_mtime && Itm->LastModified != 0) |
| | 52 | Res.IMSHit = true; |
| | 53 | } |
| | 54 | |
| | 55 | // See if we can compute a file without a .gz exentsion |
| | 56 | string::size_type Pos = File.rfind(".gz"); |
| | 57 | if (Pos + 3 == File.length()) |
| | 58 | { |
| | 59 | File = string(File,0,Pos); |
| | 60 | if (stat(File.c_str(),&Buf) == 0) |
| | 61 | { |
| | 62 | FetchResult AltRes; |
| | 63 | AltRes.Size = Buf.st_size; |
| | 64 | AltRes.Filename = File; |
| | 65 | AltRes.LastModified = Buf.st_mtime; |
| | 66 | AltRes.IMSHit = false; |
| | 67 | if (Itm->LastModified == Buf.st_mtime && Itm->LastModified != 0) |
| | 68 | AltRes.IMSHit = true; |
| | 69 | |
| | 70 | URIDone(Res,&AltRes); |
| | 71 | return true; |
| | 72 | } |
| | 73 | } |
| | 74 | |
| | 75 | if (Res.Filename.empty() == true) |
| | 76 | return _error->Error("File not found"); |
| | 77 | |
| | 78 | URIDone(Res); |
| | 79 | return true; |
| | 80 | } |
| | 81 | /*}}}*/ |
| | 82 | |
| | 83 | int main() |
| | 84 | { |
| | 85 | FileMethod Mth; |
| | 86 | return Mth.Run(); |
| | 87 | } |
projects / apt.git / blame_incremental