Allow the FileFd to use an external Compressor to uncompress a given file

[apt.git] / methods / file.cc

diff --git a/methods/file.cc b/methods/file.cc
index 64490749b5fa2568beb288b4e10c14e7a444a4ac..5025c996d7008784848d233ac967aede3d4df617 100644 (file)
--- a/methods/file.cc
+++ b/methods/file.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: file.cc,v 1.4 1998/10/30 07:53:52 jgg Exp $
+// $Id: file.cc,v 1.9.2.1 2004/01/16 18:58:50 mdz Exp $
 /* ######################################################################
 
    File URI method for APT
@@ -13,30 +13,39 @@
    ##################################################################### */
                                                                        /*}}}*/
 // 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(string Message,URI Get);
+   virtual bool Fetch(FetchItem *Itm);
    
    public:
    
-   FileMethod() : pkgAcqMethod("1.0",SingleInstance) {};
+   FileMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly) {};
 };
 
 // FileMethod::Fetch - Fetch a file                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool FileMethod::Fetch(string Message,URI Get)
+bool FileMethod::Fetch(FetchItem *Itm)
 {
-   string File = Get.Path;
+   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)
@@ -45,15 +54,15 @@ bool FileMethod::Fetch(string Message,URI Get)
       Res.Filename = File;
       Res.LastModified = Buf.st_mtime;
       Res.IMSHit = false;
-      if (LastModified == Buf.st_mtime)
+      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");
+   std::string::size_type Pos = File.rfind(".gz");
    if (Pos + 3 == File.length())
    {
-      File = string(File,0,Pos);
+      File = std::string(File,0,Pos);
       if (stat(File.c_str(),&Buf) == 0)
       {
         FetchResult AltRes;
@@ -61,7 +70,7 @@ bool FileMethod::Fetch(string Message,URI Get)
         AltRes.Filename = File;
         AltRes.LastModified = Buf.st_mtime;
         AltRes.IMSHit = false;
-        if (LastModified == Buf.st_mtime)
+        if (Itm->LastModified == Buf.st_mtime && Itm->LastModified != 0)
            AltRes.IMSHit = true;
         
         URIDone(Res,&AltRes);
@@ -70,8 +79,12 @@ bool FileMethod::Fetch(string Message,URI Get)
    }
    
    if (Res.Filename.empty() == true)
-      return _error->Error("File not found");
-   
+      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;
 }
@@ -79,6 +92,8 @@ bool FileMethod::Fetch(string Message,URI Get)
 
 int main()
 {
+   setlocale(LC_ALL, "");
+
    FileMethod Mth;
    return Mth.Run();
 }