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#pragma once
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
#include <stdarg.h>
#include <string.h>
#include <stdint.h>
#ifndef __APPLE__
#include <malloc.h>
#endif
#include <stdlib.h>
#include <string>
#include <vector>
#ifdef _WIN32
int vsscanf(const char *, const char *, va_list);
#endif
namespace Balau {
class String : private std::string {
public:
String() : std::string() { }
String(const char * str) : std::string(str ? str : "") { }
template<size_t L>
String(const char (&str)[L]) : std::string(str, L - 1) { }
String(const char * str, size_t n) : std::string(str ? str : "", str ? n : 0) { }
String(char c) { set("%c", c); }
String(int32_t i) { set("%" PRIi32, i); }
String(uint32_t i) { set("%" PRIu32, i); }
String(int64_t i) { set("%" PRIi64, i); }
String(uint64_t i) { set("%" PRIu64, i); }
String(double d) { set("%g", d); }
String(const String & s) : std::string(s) { }
String(const std::string & s) : std::string(s) { }
String(String && s) : std::string(s) { }
String & set(const char * fmt, va_list) __attribute__((format(printf, 2, 0)));
String & set(const char * fmt, ...) __attribute__((format(printf, 2, 3))) { va_list ap; va_start(ap, fmt); set(fmt, ap); va_end(ap); return *this; }
String & set(const String & fmt, ...) { va_list ap; va_start(ap, fmt); set(fmt.to_charp(), ap); va_end(ap); return *this; }
int scanf(const char * fmt, va_list ap) const { return ::vsscanf(c_str(), fmt, ap); }
int scanf(const char * fmt, ...) const __attribute__((format(scanf, 2, 3))) { va_list ap; va_start(ap, fmt); int r = scanf(fmt, ap); va_end(ap); return r; }
int scanf(const String & fmt, ...) const { va_list ap; va_start(ap, fmt); int r = scanf(fmt.to_charp(), ap); va_end(ap); return r; }
const char * to_charp(size_t begin = 0) const { return c_str() + begin; }
String extract(size_t begin = 0, size_t size = static_cast<size_t>(-1)) const { return substr(begin, size); }
char * strdup(size_t begin = 0, size_t size = static_cast<size_t>(-1)) const {
if (begin == 0)
return ::strdup(to_charp());
else
return ::strdup(extract(begin, size).to_charp());
}
int to_int(int base = 0) const { return strtol(to_charp(), NULL, base); }
double to_double() const { return strtod(to_charp(), NULL); }
typedef std::vector<String> List;
List split(char c);
size_t strlen() const { return std::string::length(); }
ssize_t strchr(char c, size_t begin = 0) const { return find(c, begin); }
ssize_t strrchr(char c) const { return rfind(c); }
ssize_t strstr(const String & s, size_t begin = 0) const { return find(std::string(s), begin); }
ssize_t strstr(const char * s, size_t begin = 0) const { return find(std::string(s), begin); }
int strchrcnt(char) const;
String ltrim() const { String c = *this; return c.do_ltrim(); }
String rtrim() const { String c = *this; return c.do_rtrim(); }
String trim() const { String c = *this; return c.do_trim(); }
String upper() const { String c = *this; return c.do_upper(); }
String lower() const { String c = *this; return c.do_lower(); }
String iconv(const String & from, const String & to) const { String c = *this; c.do_iconv(from.to_charp(), to.to_charp()); return c; }
String iconv(const char * from, const char * to) const { String c = *this; c.do_iconv(from, to); return c; }
String & do_ltrim();
String & do_rtrim();
String & do_trim() { return do_ltrim().do_rtrim(); }
String & do_upper();
String & do_lower();
String & do_iconv(const String & from, const String & to) { return do_iconv(from.to_charp(), to.to_charp()); }
String & do_iconv(const char * from, const char * to);
String & operator=(const String & v) { *((std::string *) this) = std::string::assign(v); return *this; }
String & operator=(const char * v) { *((std::string *) this) = std::string::assign(v); return *this; }
String operator+(const String & v) const { String r = *this; r += v; return r; }
String operator+(const char * v) const { String r = *this; r += v; return r; }
String & operator+=(const String & v) { *this = append(v); return *this; }
String & operator+=(const char * v) { *this = append(v); return *this; }
int compare(const String & v) const { return std::string::compare(v); }
int compare(const char * v) const { return std::string::compare(v); }
bool operator==(const String & v) const { return compare(v) == 0; }
bool operator==(const char * v) const { return compare(v) == 0; }
bool operator!=(const String & v) const { return compare(v) != 0; }
bool operator!=(const char * v) const { return compare(v) != 0; }
bool operator<(const String & v) const { return compare(v) < 0; }
bool operator<(const char * v) const { return compare(v) < 0; }
bool operator<=(const String & v) const { return compare(v) <= 0; }
bool operator<=(const char * v) const { return compare(v) <= 0; }
bool operator>(const String & v) const { return compare(v) > 0; }
bool operator>(const char * v) const { return compare(v) > 0; }
bool operator>=(const String & v) const { return compare(v) >= 0; }
bool operator>=(const char * v) const { return compare(v) >= 0; }
const char & operator[](ssize_t i) const { if (i < 0) i = strlen() + i; return at(i); }
char & operator[](ssize_t i) { if (i < 0) i = strlen() + i; return at(i); }
};
};
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