/********************************************************************
**                Image Component Library (ICL)                    **
**                                                                 **
** Copyright (C) 2006-2012 CITEC, University of Bielefeld          **
**                         Neuroinformatics Group                  **
** Website: www.iclcv.org and                                      **
**          http://opensource.cit-ec.de/projects/icl               **
**                                                                 **
** File   : ICLIO/src/IOUtils.cpp                                  **
** Module : ICLIO                                                  **
** Authors: Christof Elbrechter                                    **
**                                                                 **
**                                                                 **
** Commercial License                                              **
** ICL can be used commercially, please refer to our website       **
** www.iclcv.org for more details.                                 **
**                                                                 **
** GNU General Public License Usage                                **
** Alternatively, this file may be used under the terms of the     **
** GNU General Public License version 3.0 as published by the      **
** Free Software Foundation and appearing in the file LICENSE.GPL  **
** included in the packaging of this file.  Please review the      **
** following information to ensure the GNU General Public License  **
** version 3.0 requirements will be met:                           **
** http://www.gnu.org/copyleft/gpl.html.                           **
**                                                                 **
** The development of this software was supported by the           **
** Excellence Cluster EXC 277 Cognitive Interaction Technology.    **
** The Excellence Cluster EXC 277 is a grant of the Deutsche       **
** Forschungsgemeinschaft (DFG) in the context of the German       **
** Excellence Initiative.                                          **
**                                                                 **
*********************************************************************/

#include <ICLIO/IOUtils.h>

using namespace std;

namespace icl{
  namespace ioutils{
    
    string toLower(string s){
      // {{{ open
      for(unsigned int i=0;i<s.length();i++){
        s[i]=tolower(s[i]);
      }
      return s;
    };
    
    string time2str(Time::value_type x){
      char acBuf[30];
#if __WORDSIZE == 64
      sprintf(acBuf, "%ld",x);
#else
      sprintf(acBuf, "%lld",x);
#endif
      return acBuf;
    }
    string i2str(int i){
      char acBuf[12];
      sprintf(acBuf, "%d",i);
      return acBuf;
    }
    
    string skipWhitespaces(const string &s){
      if(!s.length()) return "";
      return s.substr(s.find_first_not_of(' '));
    }
    int ti(const std::string &value){
      return atoi(value.c_str());
    }
    long tl(const std::string &value){
      return atoi(value.c_str());
    }
    vector<int> vec3(int a, int b, int c){
      vector<int> v(3);
      v[0] = a;
      v[1] = b;
      v[2] = c;
      return v;
    }
    
    bool endsWith(const string &s,const string &postfix){
      return s.length() >= postfix.length() && s.substr(s.length()-postfix.length()) == postfix;
    }
    
    bool startsWith(const string &s, const string &praefix){
      return s.find(praefix) == 0;
    }

    void analyseHashes (const string &sFileName, unsigned int& nHashes, string::size_type& iPostfixPos) {
      nHashes = 0; iPostfixPos = string::npos;
      
      // search for first '.'
      string::size_type iTmpPos = sFileName.rfind ('.');
      if (iTmpPos == string::npos) 
        throw ICLException ("cannot detect file type");
      
      // search for second '.' if the postfix is .gz so far
      const string& sType = sFileName.substr (iTmpPos);
      if (sType == ".gz" && iTmpPos > 0) { // search further for file type
        iPostfixPos = sFileName.rfind ('.', iTmpPos-1);
      }
      if (iPostfixPos == string::npos) iPostfixPos = iTmpPos;
      
      // count number of hashes directly before the postfix
      for (string::const_reverse_iterator start (sFileName.begin() + iPostfixPos),
           it = start, end = sFileName.rend(); it != end; ++it) {
        if (*it != '#') {
          // first pos without hash, count hashes
          nHashes = it - start;
          break;
        }
      }
    }


  }
}