source: trunk/lib/Parser.cc @ 184

// $Id: Parser.cc 184 2006-09-05 11:19:53Z peter $

/*
  Copyright (C) 2006 Peter Johansson

  This file is part of svndigest, http://lev.thep.lu.se/trac/svndigest

  svndigest is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  svndigest is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/

#include "Parser.h"
#include "utility.h"

#include <algorithm>
#include <functional>
#include <fstream>
#include <iostream>
#include <string>

namespace theplu{
namespace svndigest{


  Parser::Parser(const std::string& path)
  {
    std::ifstream is(path.c_str());
    cc_mode(is);
    is.close();
  }


  void Parser::cc_mode(std::istream& is)
  {
    bool block_com=false;
    std::string str;
    while(getline(is,str)) {
      bool line_com=false;
      line_type lt=empty;
      for (std::string::iterator iter=str.begin(); iter!=str.end(); ++iter){
        if (!block_com && match_begin(iter,str.end(), "/*")){
          block_com=true;
          continue;
        }
        if (block_com && match_begin(iter,str.end(), "*/")){
          block_com=false;
          continue;
        }
        if (block_com){
          if (line_com){
            if (lt==empty && isalnum(*iter))
              lt = comment;
          }
          else if (lt==empty) {
            if (match_begin(iter, str.end(), "//"))
              line_com=true;
            else if (isalnum(*iter))
              lt = comment;
          }
        }
        else if (lt==empty){
          if (isalnum(*iter)){
            if (line_com){
              lt = comment;
            }
            else{
              lt = code;
            }
          }
          else if (match_begin(iter, str.end(), "//")){
            line_com=true;
          }
          else if (!line_com && !isspace(*iter)){
            lt = code;
          }

        }
      }
      type_.push_back(lt);
    }
  }


}} // end of namespace svndigest and namespace theplu