source: trunk/lib/Directory.cc @ 23

// $Id: Directory.cc 23 2006-01-02 08:14:57Z peter $

#include "Directory.h"
#include "File.h"
#include "Node.h"

#include <algorithm>
#include <fstream>
#include <iostream>
#include <iterator>
#include <list>

#include <errno.h>  // Needed to check error state below.
#include <dirent.h>
#include <sys/stat.h>

namespace theplu{
namespace svnstat{

  Directory::Directory(const std::string& path)
    : Node(path)
  {
    using namespace std;
    DIR* directory=opendir(path.c_str());    // C API from dirent.h
    if (!directory) {
      // Jari, throw exception
      cerr << "ERROR: opendir() failed; terminating" << endl;
      exit(1);
    }
    list<string> entries;
    struct dirent* entry;
    errno=0;  // Global variable used by C to track errors, from errno.h
    while ((entry=readdir(directory)))       // C API from dirent.h
      entries.push_back(string(entry->d_name));
    if (errno) {
      // Jari, throw exception
      cerr << "ERROR: readdir() failure; terminating" << endl;
      exit(1);
    }
    closedir(directory);

    // Jari, change this to some STL algo?
    for (list<string>::iterator i=entries.begin(); i!=entries.end(); i++)
      if ((*i)!=string(".") && (*i)!=string("..") && (*i)!=string(".svn")) {
        string fullpath(path_+'/'+(*i));
        struct stat nodestat;                // C api from sys/stat.h
        lstat(fullpath.c_str(),&nodestat);   // C api from sys/stat.h
        if (S_ISDIR(nodestat.st_mode))       // C api from sys/stat.h
          daughters_.push_back(new Directory(fullpath));
        else
          daughters_.push_back(new File(fullpath));
      }
  }


  Directory::~Directory(void)
  {
    for (NodeIterator i=daughters_.begin(); i!=daughters_.end(); i++)
      delete *i;
  }


  const Stats& Directory::parse(void)
  {
    stats_.reset();

    for (NodeIterator i=daughters_.begin(); i!=daughters_.end(); i++)
      stats_ += (*i)->parse();
    return stats_;
  }


  void Directory::print(const std::string& path) const
  {
    // Peter, creation of dir should be done without system call
    std::string system_call("mkdir " + path + name()+">& /dev/null");
    system(system_call.c_str());
    std::string output(path + name() + "/index.html");
    std::ofstream os(output.c_str());
    print_header(os);
    os << std::endl;
    stats_.print(os);
    os << std::endl;

    for (NodeConstIter_ i=daughters_.begin();i!=daughters_.end();i++){
      (*i)->print_link(os);
      os << "<br/>" << std::endl;
    }

    print_footer(os);
    os.close(); 

    for (NodeConstIter_ i=daughters_.begin();i!=daughters_.end();i++) 
      (*i)->print(path+name()+"/");
  }

  void Directory::print_link(std::ostream& os) const
  {
    os << "<a href=\"" << name() << "/index.html\">" << name() << "</a>";
  }


  void Directory::purge(void) {
    for (NodeIterator i=daughters_.begin(); i!=daughters_.end(); )
      if (!((*i)->subversion_controlled())) {
        delete *i;
        i=daughters_.erase(i);
      }
      else {
        (*i)->purge();
        i++;
      }
  }

}} // end of namespace svnstat and namespace theplu