* apt-pkg/contrib/configuration.cc:

[apt.git] / ftparchive / multicompress.cc

diff --git a/ftparchive/multicompress.cc b/ftparchive/multicompress.cc
index 7c91d34fe66d0433a813b784c3ea61e8c412d8cc..f82879015f2a00b5b1d73363248145c3d738e332 100644 (file)
--- a/ftparchive/multicompress.cc
+++ b/ftparchive/multicompress.cc
@@ -30,12 +30,6 @@
 
 using namespace std;
 
-const MultiCompress::CompType MultiCompress::Compressors[] =
-      {{".","",0,0,0,1},
-       {"gzip",".gz","gzip","-9n","-d",2},
-       {"bzip2",".bz2","bzip2","-9","-d",3},
-       {"lzma",".lzma","lzma","-9","-d",4},
-       {}};
 
 // MultiCompress::MultiCompress - Constructor                          /*{{{*/
 // ---------------------------------------------------------------------
@@ -48,7 +42,7 @@ MultiCompress::MultiCompress(string const &Output,string const &Compress,
    Outputter = -1;
    Input = 0;
    UpdateMTime = 0;
-   
+
    /* Parse the compression string, a space separated lists of compresison
       types */
    string::const_iterator I = Compress.begin();
@@ -61,13 +55,14 @@ MultiCompress::MultiCompress(string const &Output,string const &Compress,
       for (; I != Compress.end() && !isspace(*I); I++);
 
       // Find the matching compressor
-      const CompType *Comp = Compressors;
-      for (; Comp->Name != 0; Comp++)
-        if (stringcmp(Start,I,Comp->Name) == 0)
+      std::vector<APT::Configuration::Compressor> Compressors = APT::Configuration::getCompressors();
+      std::vector<APT::Configuration::Compressor>::const_iterator Comp = Compressors.begin();
+      for (; Comp != Compressors.end(); ++Comp)
+        if (stringcmp(Start,I,Comp->Name.c_str()) == 0)
            break;
 
       // Hmm.. unknown.
-      if (Comp->Name == 0)
+      if (Comp == Compressors.end())
       {
         _error->Warning(_("Unknown compression algorithm '%s'"),string(Start,I).c_str());
         continue;
@@ -77,7 +72,7 @@ MultiCompress::MultiCompress(string const &Output,string const &Compress,
       Files *NewOut = new Files;
       NewOut->Next = Outputs;
       Outputs = NewOut;
-      NewOut->CompressProg = Comp;
+      NewOut->CompressProg = *Comp;
       NewOut->Output = Output+Comp->Extension;
       
       struct stat St;
@@ -141,13 +136,14 @@ bool MultiCompress::GetStat(string const &Output,string const &Compress,struct s
       for (; I != Compress.end() && !isspace(*I); I++);
 
       // Find the matching compressor
-      const CompType *Comp = Compressors;
-      for (; Comp->Name != 0; Comp++)
-        if (stringcmp(Start,I,Comp->Name) == 0)
+      std::vector<APT::Configuration::Compressor> Compressors = APT::Configuration::getCompressors();
+      std::vector<APT::Configuration::Compressor>::const_iterator Comp = Compressors.begin();
+      for (; Comp != Compressors.end(); ++Comp)
+        if (stringcmp(Start,I,Comp->Name.c_str()) == 0)
            break;
 
       // Hmm.. unknown.
-      if (Comp->Name == 0)
+      if (Comp == Compressors.end())
         continue;
 
       string Name = Output+Comp->Extension;
@@ -268,13 +264,13 @@ bool MultiCompress::Finalize(unsigned long &OutSize)
 /* This opens the compressor, either in compress mode or decompress 
    mode. FileFd is always the compressor input/output file, 
    OutFd is the created pipe, Input for Compress, Output for Decompress. */
-bool MultiCompress::OpenCompress(const CompType *Prog,pid_t &Pid,int const &FileFd,
-                                int &OutFd,bool const &Comp)
+bool MultiCompress::OpenCompress(APT::Configuration::Compressor const &Prog,
+                                pid_t &Pid,int const &FileFd,int &OutFd,bool const &Comp)
 {
    Pid = -1;
    
    // No compression
-   if (Prog->Binary == 0)
+   if (Prog.Binary.empty() == true)
    {
       OutFd = dup(FileFd);
       return true;
@@ -309,15 +305,17 @@ bool MultiCompress::OpenCompress(const CompType *Prog,pid_t &Pid,int const &File
       
       SetCloseExec(STDOUT_FILENO,false);
       SetCloseExec(STDIN_FILENO,false);
-      
-      const char *Args[3];
-      Args[0] = Prog->Binary;
-      if (Comp == true)
-        Args[1] = Prog->CompArgs;
-      else
-        Args[1] = Prog->UnCompArgs;
-      Args[2] = 0;
-      execvp(Args[0],(char **)Args);
+
+      std::vector<char const*> Args;
+      Args.push_back(Prog.Binary.c_str());
+      std::vector<std::string> const * const addArgs =
+               (Comp == true) ? &(Prog.CompressArgs) : &(Prog.UncompressArgs);
+      for (std::vector<std::string>::const_iterator a = addArgs->begin();
+          a != addArgs->end(); ++a)
+        Args.push_back(a->c_str());
+      Args.push_back(NULL);
+
+      execvp(Args[0],(char **)&Args[0]);
       cerr << _("Failed to exec compressor ") << Args[0] << endl;
       _exit(100);
    };      
@@ -335,7 +333,7 @@ bool MultiCompress::OpenOld(int &Fd,pid_t &Proc)
 {
    Files *Best = Outputs;
    for (Files *I = Outputs; I != 0; I = I->Next)
-      if (Best->CompressProg->Cost > I->CompressProg->Cost)
+      if (Best->CompressProg.Cost > I->CompressProg.Cost)
         Best = I;
 
    // Open the file
@@ -365,7 +363,7 @@ bool MultiCompress::CloseOld(int Fd,pid_t Proc)
 // MultiCompress::Child - The writer child                             /*{{{*/
 // ---------------------------------------------------------------------
 /* The child process forks a bunch of compression children and takes 
-   input on FD and passes it to all the compressor childer. On the way it
+   input on FD and passes it to all the compressor child. On the way it
    computes the MD5 of the raw data. After this the raw data in the 
    original files is compared to see if this data is new. If the data
    is new then the temp files are renamed, otherwise they are erased. */
@@ -414,7 +412,7 @@ bool MultiCompress::Child(int const &FD)
    for (Files *I = Outputs; I != 0; I = I->Next)
    {
       if (I->CompressProc != -1)
-        ExecWait(I->CompressProc,I->CompressProg->Binary,false);
+        ExecWait(I->CompressProc, I->CompressProg.Binary.c_str(), false);
    }
    
    if (_error->PendingError() == true)