Gabriele Cosmo
115 lines
2.9 KiB
Plaintext
115 lines
2.9 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
|
|
// See the file tools.license for terms.
|
|
|
|
#ifndef tools_sprintf
|
|
#define tools_sprintf
|
|
|
|
#include <string>
|
|
#include "snpf"
|
|
|
|
namespace tools {
|
|
|
|
inline bool vsprintf(std::string& a_string,int a_length,const char* a_format,va_list a_args){
|
|
a_string.clear();
|
|
if(a_length<0) return false;
|
|
if(!a_format) return false;
|
|
char* _s = new char[a_length+1];
|
|
if(!_s) return false;
|
|
_s[a_length] = '\0';
|
|
int n = vsnpf(_s,a_length+1,a_format,a_args);
|
|
if(n>a_length) {
|
|
delete [] _s;
|
|
return false;
|
|
}
|
|
if(_s[a_length]!='\0') {
|
|
delete [] _s;
|
|
return false;
|
|
}
|
|
a_string = _s;
|
|
delete [] _s;
|
|
return true;
|
|
}
|
|
|
|
|
|
inline bool sprintf(std::string& a_string,int a_length,const char* a_format,...){
|
|
a_string.clear();
|
|
if(a_length<0) return false;
|
|
if(!a_format) return false;
|
|
char* _s = new char[a_length+1];
|
|
if(!_s) return false;
|
|
_s[a_length] = '\0';
|
|
va_list args;
|
|
va_start(args,a_format);
|
|
int n = vsnpf(_s,a_length+1,a_format,args);
|
|
va_end(args);
|
|
if(n>a_length) {
|
|
delete [] _s;
|
|
return false;
|
|
}
|
|
if(_s[a_length]!='\0') {
|
|
delete [] _s;
|
|
return false;
|
|
}
|
|
a_string = _s;
|
|
delete [] _s;
|
|
return true;
|
|
}
|
|
|
|
inline bool print2sv(std::string& a_string,int a_length,const char* a_format,va_list a_args){
|
|
if(a_length<0) {a_string.clear();return false;}
|
|
if(!a_format) {a_string.clear();return false;}
|
|
a_string.assign(a_length,' '); //data = a_length+1
|
|
char* _s = const_cast<char*>(a_string.c_str());
|
|
//_s[a_length] shoulg be '\0'.
|
|
int n = vsnpf(_s,a_length+1,a_format,a_args);
|
|
if(n>a_length) { //a_string is compromised.
|
|
a_string.clear(); //we cross fingers.
|
|
return false;
|
|
}
|
|
if(_s[a_length]!='\0') { //a_string is compromised.
|
|
a_string.clear(); //we cross fingers.
|
|
return false;
|
|
}
|
|
a_string.resize(n);
|
|
return true;
|
|
}
|
|
|
|
inline bool print2s(std::string& a_string,int a_length,const char* a_format,...){
|
|
if(a_length<0) {a_string.clear();return false;}
|
|
if(!a_format) {a_string.clear();return false;}
|
|
a_string.assign(a_length,' '); //data = a_length+1
|
|
char* _s = const_cast<char*>(a_string.c_str());
|
|
//_s[a_length] shoulg be '\0'.
|
|
va_list args;
|
|
va_start(args,a_format);
|
|
int n = vsnpf(_s,a_length+1,a_format,args);
|
|
va_end(args);
|
|
if(n>a_length) { //a_string is compromised.
|
|
a_string.clear(); //we cross fingers.
|
|
return false;
|
|
}
|
|
if(_s[a_length]!='\0') { //a_string is compromised.
|
|
a_string.clear(); //we cross fingers.
|
|
return false;
|
|
}
|
|
a_string.resize(n);
|
|
return true;
|
|
}
|
|
|
|
template <class MATRIX> //for example : MATRIX = mat<symbol,4>
|
|
inline void set_matrix(MATRIX& a_matrix,const std::string& a_fmt) {
|
|
unsigned int DR = a_matrix.rows();
|
|
unsigned int DC = a_matrix.cols();
|
|
std::string ss;
|
|
for(unsigned int i=0;i<DR;i++) {
|
|
for(unsigned int j=0;j<DC;j++) {
|
|
tools::sprintf(ss,128,a_fmt.c_str(),i,j);
|
|
a_matrix.set_value(i,j,ss);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|