srep

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_srep
#define tools_srep
 
#include <string>
#include <vector>
 
#include "forit"
 
namespace tools {
 
inline void replace(std::string& a_string,char a_old,char a_new){
  tools_sforit(a_string,it) {
    if((*it)==a_old) *it = a_new;
  }
}
 
inline bool replace(std::string& a_string,const std::string& a_old,const std::string& a_new){
  // return true : some replacement done.
  // return false : nothing replaced.
  if(a_old.empty()) return false;
  std::string snew;
  std::string::size_type lold = a_old.length();
  bool status = false;
  std::string stmp = a_string;
  while(true) {
    std::string::size_type pos = stmp.find(a_old);
    if(pos==std::string::npos){
      snew += stmp;
      break;
    } else {
      snew += stmp.substr(0,pos);
      snew += a_new;
      stmp = stmp.substr(pos+lold,stmp.length()-(pos+lold));
      status = true;
    }
  }
  a_string = snew;
  return status;
}
 
inline bool replace_(std::string& a_string,const std::string& a_old,const std::string& a_new) {
  return replace(a_string,a_old,a_new);
}
 
inline bool replace(std::vector<std::string>& a_strings,const std::string& a_old,const std::string& a_new){
  tools_vforit(std::string,a_strings,it) {
    if(!replace(*it,a_old,a_new)) return false;
  }
  return true;
}
 
inline void toxml(std::string& a_string){
  // > : &lt;
  // < : &gt;
  // & : &amp;
  // " : &quot;
  // ' : &apos;
  replace(a_string,"&","&amp;"); //must be first.
  replace(a_string,"<","&lt;");
  replace(a_string,">","&gt;");
  replace(a_string,"\"","&quot;");
  replace(a_string,"'","&apos;");
}
 
inline std::string to_xml(const std::string& a_string){
  std::string s = a_string;
  toxml(s);
  return s;
}
 
inline void to_win(std::string& a_string) {
  replace(a_string,"/cygdrive/c","C:");  // CYGWIN.
  replace(a_string,"/mnt/c","C:");       // WSL.
  replace(a_string,'/','\\');
}
 
inline void to_win_python(std::string& a_string) {
  replace(a_string,"/cygdrive/c","c:");  // CYGWIN.
  replace(a_string,"/mnt/c","c:");       // WSL. (Python wants c: in lowercase).
  replace(a_string,"C:","c:");
  replace(a_string,'\\','/');
}
 
}
 
#endif