Gabriele Cosmo
85 lines
2.0 KiB
Plaintext
85 lines
2.0 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_sto
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#define tools_sto
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#include <string>
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namespace tools {
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inline std::string to(bool a_value){return a_value?"true":"false";}
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inline bool to(const std::string& a_string,bool& a_value,
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bool a_def = false){
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if( (a_string=="1")
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||(a_string=="true")||(a_string=="TRUE")||(a_string=="True")
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||(a_string=="yes")||(a_string=="YES")||(a_string=="Yes")
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||(a_string=="on")||(a_string=="ON")||(a_string=="On")
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){
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a_value = true;
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return true;
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} else if((a_string=="0")
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||(a_string=="false")||(a_string=="FALSE")||(a_string=="False")
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||(a_string=="no")||(a_string=="NO")||(a_string=="No")
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||(a_string=="off")||(a_string=="OFF")||(a_string=="Off")
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){
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a_value = false;
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return true;
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} else {
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a_value = a_def;
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return false;
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}
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}
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}
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#include <sstream>
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namespace tools {
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template <class T>
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inline bool to(const std::string& a_s,T& a_v,const T& a_def = T()) {
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if(a_s.empty()) {a_v = a_def;return false;} //for TOOLS_STL istringstream.
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std::istringstream strm(a_s.c_str());
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strm >> a_v;
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if(strm.fail()) {a_v = a_def;return false;}
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return strm.eof();
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}
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template <class T>
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inline std::string to(const T& a_v) {
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std::ostringstream strm;
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strm << a_v;
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return strm.str();
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}
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inline std::string d2s(double a_value){
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std::ostringstream strm;
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strm.precision(25);
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strm << a_value;
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return strm.str();
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}
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inline std::string soutd(double a_value) {
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return std::string("\"")+d2s(a_value)+"\"";
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}
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// for BatchLab/XML
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template <class T>
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inline std::string sout(const T& a_value) {
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return std::string("\"")+to<T>(a_value)+"\"";
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}
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template <class T>
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inline bool to(T& a_field,const std::string& a_s,bool& a_changed){
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T old = a_field;
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if(!tools::to(a_s,a_field)) {a_field = old;a_changed=false;return false;}
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a_changed = a_field==old?false:true;
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return true;
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}
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}
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#endif
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