source: trunk/lib/File.cc @ 29

// $Id: File.cc 29 2006-01-09 09:35:50Z peter $

#include "File.h"
#include "Node.h"
#include "Stats.h"

#include <fstream>
#include <iostream>
#include <sstream>
#include <string>

namespace theplu{
namespace svnstat{

  bool File::blame() const
  {
    std::string system_call = "svn blame " + path_ + " > svnstat.tmp";
    int system_return = system(system_call.c_str());
    if (system_return)
      std::cerr << "Error: svn blame " << path_ << std::endl;     
    return !system_return;
  }

  void File::info(void) 
  {
    std::string system_call = "svn info " + path_ + " > svnstat.tmp";
    int system_return = system(system_call.c_str());
    if (system_return){
      // Jari, throw exception.
      std::cerr << "svnstat: svn info " << path_ << std::endl;     
      exit(-1);
    }
    std::ifstream is("svnstat.tmp");
    std::string line;
    while (getline(is,line)){
      std::stringstream ss(line);
      std::string tag;
      getline(ss,tag,':');
      if (tag == std::string("Last Changed Author"))
        ss >> author_;
      else if (tag == std::string("Last Changed Rev"))
        ss >> revision_;
    }
  }


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

    if (binary_){
      stats_.add(author_,revision_);
      return stats_;
    }

    // Calling svn blame
    if (!blame())
      return stats_;

    // Check if file is binary
    std::ifstream is("svnstat.tmp");
    std::string line;
    getline(is,line,' ');
    if (line==std::string("Skipping")){
      getline(is,line,' ');
      if (line==std::string("binary")){
        is.close();
        binary_ = true;
        return parse();
      }
    }
    is.close();

    is.open("svnstat.tmp");
    while (getline(is,line, '\n')){
      if (!line.size()) // skip empty line
        continue;
      std::stringstream ss(line);
      u_int revision;
      std::string user;
      ss >> revision;
      ss >> user;
      stats_.add(user, revision);
    }
    is.close();
    return stats_;
  }

  void File::print(const std::string& path) const 
  {
    std::string output(path + output_name_ + ".html");
    std::ofstream os(output.c_str());
    print_header(os);
    os << std::endl;
    stats_.print(os);
    os << std::endl;
    print_footer(os);
    os.close(); 

  }

}} // end of namespace svnstat and namespace theplu