2026-01-26 14:51:28 +09:00

65 lines
1.2 KiB
C++

#pragma once
#include <algorithm>
#include <cctype>
#include <string>
class StringUtil
{
public:
// trim from start (in place)
static inline
void ltrim(std::string* s) {
s->erase(s->begin(), std::find_if(s->begin(), s->end(), [](int ch) {
return !std::isspace(ch);
}));
}
// trim from end (in place)
static inline
void rtrim(std::string* s) {
s->erase(std::find_if(s->rbegin(), s->rend(), [](int ch) {
return !std::isspace(ch);
}).base(), s->end());
}
// trim from both ends (in place)
static inline
void trim(std::string* s) {
ltrim(s);
rtrim(s);
}
// trim from start (copying)
static inline
std::string ltrim(std::string s) {
ltrim(&s);
return std::move(s);
}
// trim from end (copying)
static inline
std::string rtrim(std::string s) {
rtrim(&s);
return std::move(s);
}
// trim from both ends (copying)
static inline
std::string trim(std::string s) {
trim(&s);
return std::move(s);
}
};
extern
int vasprintf(char** strp, const char* fmt, va_list ap);
extern
int asprintf(char** strp, const char* fmt, ...);