Gabriele Cosmo
69 lines
1.7 KiB
Plaintext
69 lines
1.7 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
|
|
// See the file tools.license for terms.
|
|
|
|
#ifndef tools_strip
|
|
#define tools_strip
|
|
|
|
#include <vector>
|
|
#include <string>
|
|
|
|
namespace tools {
|
|
|
|
enum what { leading, trailing, both };
|
|
|
|
inline bool strip(std::string& a_string,what a_type = both,char a_char = ' '){
|
|
//return true = some stripping had been done.
|
|
|
|
std::string::size_type l = a_string.length();
|
|
if(l==0) return false;
|
|
|
|
switch ( a_type ) {
|
|
case leading:{
|
|
char* pos = (char*)a_string.c_str();
|
|
for(std::string::size_type i=0;i<l;i++,pos++) {
|
|
if(*pos!=a_char) {
|
|
a_string = a_string.substr(i,l-i);
|
|
return (i?true:false); //i=0 : same string.
|
|
}
|
|
}
|
|
}break;
|
|
case trailing:{
|
|
char* pos = (char*)a_string.c_str();
|
|
pos += (l-1);
|
|
for(std::string::size_type i=l-1;;i--,pos--) {
|
|
if(*pos!=a_char) {
|
|
a_string = a_string.substr(0,i+1);
|
|
return (i==(l-1)?false:true); //i==l-1 : same string.
|
|
}
|
|
}
|
|
}break;
|
|
case both:{
|
|
bool stat_lead = strip(a_string,leading,a_char);
|
|
bool stat_trail = strip(a_string,trailing,a_char);
|
|
if(stat_lead) return true;
|
|
if(stat_trail) return true;
|
|
}break;
|
|
//default:break;
|
|
}
|
|
return false; //nothing done.
|
|
}
|
|
|
|
inline std::string strp(const std::string& a_string,what a_type = both,char a_char = ' '){
|
|
std::string s(a_string);
|
|
strip(s,a_type,a_char);
|
|
return s;
|
|
}
|
|
|
|
inline bool strip(std::vector<std::string>& a_strings,what a_type = both,char a_char = ' ') {
|
|
bool some_done = false;
|
|
std::vector<std::string>::iterator it;
|
|
for(it=a_strings.begin();it!=a_strings.end();++it) {
|
|
if(strip(*it,a_type,a_char)) some_done = true;
|
|
}
|
|
return some_done;
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|