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geant4/source/analysis/g4tools/include/tools/pointer
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2016-06-10 14:11:04 +02:00

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
#ifndef tools_pointer
#define tools_pointer
//WARNING : touchy
#include "snpf"
#include <string>
namespace tools {
inline bool to_pointer(const std::string& a_string,void*& a_value){
if(sizeof(unsigned long)==sizeof(void*)) { //majority of cases.
unsigned long v = 0L;
if(::sscanf(a_string.c_str(),"0x%lx",&v)!=1) {
if(::sscanf(a_string.c_str(),"%lu",&v)!=1) {
a_value = 0;
return false;
}
}
a_value = (void*)v;
return true;
} else if(sizeof(unsigned long long)==sizeof(void*)) { //but not on my Windows-8/64bits !
unsigned long long v = 0L;
if(::sscanf(a_string.c_str(),"0x%llx",&v)!=1) {
if(::sscanf(a_string.c_str(),"%llu",&v)!=1) {
a_value = 0;
return false;
}
}
a_value = (void*)v;
return true;
}
a_value = 0;
return false;
}
inline bool p2s(const void* a_value,std::string& a_s){
char s[512];
if(sizeof(unsigned long)==sizeof(void*)) { //majority of cases.
snpf(s,sizeof(s),"%lu",(unsigned long)a_value);
a_s = s;
return true;
} else if(sizeof(unsigned long long)==sizeof(void*)) { //but not on my Windows-8/64bits !
snpf(s,sizeof(s),"%llu",(unsigned long long)a_value);
a_s = s;
return true;
}
a_s.clear();
return false;
}
inline bool p2sx(const void* a_value,std::string& a_s){
char s[512];
if(sizeof(unsigned long)==sizeof(void*)) { //majority of cases.
snpf(s,sizeof(s),"0x%lx",(unsigned long)a_value);
a_s = s;
return true;
} else if(sizeof(unsigned long long)==sizeof(void*)) { //but not on my Windows-8/64bits !
snpf(s,sizeof(s),"0x%llx",(unsigned long long)a_value);
a_s = s;
return true;
}
a_s.clear();
return false;
}
/*
inline std::string p2s(const void* a_value){
char s[512];
snpf(s,sizeof(s),"%lu",(unsigned long)a_value);
return s;
}
inline std::string p2sx(const void* a_value){
char s[512];
snpf(s,sizeof(s),"0x%lx",(unsigned long)a_value);
return s;
}
inline std::string char_p2s(const char* a_value) {
char s[512];
snpf(s,sizeof(s),"%lu",(unsigned long)a_value);
return std::string(s);
}
inline std::string long2s(const long a_value) {
char s[512];
snpf(s,sizeof(s),"%ld",a_value);
return std::string(s);
}
*/
}
#endif