etk/etk/stdTools.h

558 lines
16 KiB
C++

/**
* @author Edouard DUPIN
*
* @copyright 2011, Edouard DUPIN, all right reserved
*
* @license APACHE v2.0 (see license file)
*/
#ifndef __ETK_STD_TOOLS_H__
#define __ETK_STD_TOOLS_H__
#include <etk/debug.h>
#include <vector>
#include <sstream>
#include <iostream>
#include <string>
#include <iomanip>
#include <algorithm>
namespace u32char {
extern const char32_t Null; //!< '\0'
extern const char32_t Return; //!< '\n'
extern const char32_t CarrierReturn; //!< '\r' CR
extern const char32_t Tabulation; //!< '\t' TAB
extern const char32_t Suppress; //!< BS (SUPPRESS)
extern const char32_t Delete; //!< DEL
extern const char32_t Space; //!< ' ' SPACE
extern const char32_t Escape; //!< ESC Escape
/**
* @brief check if the current element is white or not : '\t' '\n' '\r' ' '
* @return tue if it is white char
*/
bool isWhiteChar(char32_t _val);
bool isSpecialChar(char32_t _val);
/**
* @brief check if the curent element is number or not
* @return tue if it is a number char
*/
bool isInteger(char32_t _val);
int32_t toInt(char32_t _val);
char32_t changeOrder(char32_t _val);
int8_t convertUtf8(char32_t _val, char _output[5]);
#if __cplusplus >= 201103L
std::string convertToUtf8(const std::u32string& _input);
#endif
};
namespace utf8 {
/**
* @brief Get the size of an utf8 char with his first char.
* @param[in] _input Char to parse
* @return number of char needed
*/
int8_t theoricLen(const char _input);
/**
* @brief When parsing a string in a reverse mode, we need to know if we get the first char
* @param[in] _input Char to parse.
* @return true if it was the first char.
*/
bool theoricFirst(const char _input);
char32_t convertChar32(const char* _input);
#if __cplusplus >= 201103L
std::u32string convertUnicode(const std::string& _input);
#endif
class iterator {
private:
char32_t m_value; //!< store vlue to prevent multiple calcule of getting the data
std::string* m_data; //!< Pointer on the current Buffer
int64_t m_current; //!< curent Id in the Buffer
public:
iterator():
m_value(u32char::Null),
m_data(nullptr),
m_current(0) {
// nothing to do ...
};
iterator(std::string& _str) :
m_value(u32char::Null),
m_data(&_str),
m_current(0) {
// nothing to do ...
};
iterator(std::string& _str, const std::string::iterator& _pos) :
m_value(u32char::Null),
m_data(&_str),
m_current(0) {
if (m_data != nullptr) {
m_current = std::distance(m_data->begin(), _pos);
}
};
iterator(std::string& _str, size_t _pos) :
m_value(u32char::Null),
m_data(&_str),
m_current(0) {
if (m_data != nullptr) {
if (_pos > m_data->size()) {
m_current = m_data->size();
} else {
m_current = _pos;
}
}
};
iterator(std::string* _str, const std::string::iterator& _pos) :
m_value(u32char::Null),
m_data(_str),
m_current(0) {
if (m_data != nullptr) {
m_current = std::distance(m_data->begin(), _pos);
}
};
iterator(std::string* _str, size_t _pos) :
m_value(u32char::Null),
m_data(_str),
m_current(0) {
if (m_data != nullptr) {
if (_pos > m_data->size()) {
m_current = m_data->size();
} else {
m_current = _pos;
}
}
};
/**
* @brief Recopy constructor.
* @param[in] _obj The Iterator that might be copy
*/
iterator(const iterator& _obj):
m_value(u32char::Null),
m_data(_obj.m_data),
m_current(_obj.m_current) {
// nothing to do ...
};
/**
* @brief Asignation operator.
* @param[in] _otherIterator The Iterator that might be copy
* @return reference on the curent Iterator
*/
iterator& operator=(const iterator & _obj) {
m_current = _obj.m_current;
m_data = _obj.m_data;
m_value = u32char::Null;
return *this;
};
/**
* @brief Basic destructor
*/
virtual ~iterator() {
m_current = 0;
m_data = nullptr;
m_value = u32char::Null;
};
/**
* @brief basic boolean cast
* @return true if the element is present in buffer
*/
operator size_t () const {
if (m_data == nullptr) {
return 0;
}
if (m_current < 0) {
return 0;
}
if (m_current > (int64_t)m_data->size()) {
return m_data->size();
}
return (size_t)m_current;
};
/**
* @brief Incremental operator
* @return Reference on the current iterator incremented
*/
iterator& operator++ ();
/**
* @brief Decremental operator
* @return Reference on the current iterator decremented
*/
iterator& operator-- ();
/**
* @brief Incremental operator
* @return Reference on a new iterator and increment the other one
*/
iterator operator++ (int32_t) {
iterator it(*this);
++(*this);
return it;
};
/**
* @brief Decremental operator
* @return Reference on a new iterator and decrement the other one
*/
iterator operator-- (int32_t) {
iterator it(*this);
--(*this);
return it;
};
/**
* @brief egality iterator
* @return true if the iterator is identical pos
*/
bool operator== (const iterator& _obj) const {
if ( m_current == _obj.m_current
&& m_data == _obj.m_data) {
return true;
}
return false;
};
/**
* @brief egality iterator
* @return true if the iterator is identical pos
*/
bool operator!= (const iterator& _obj) const {
if ( m_current != _obj.m_current
|| m_data != _obj.m_data) {
return true;
}
return false;
};
/**
* @brief <= iterator
* @return true if the iterator is identical pos
*/
bool operator<= (const iterator& _obj) const {
if (m_data != _obj.m_data) {
return false;
}
if (m_current <= _obj.m_current) {
return true;
}
return false;
};
/**
* @brief >= iterator
* @return true if the iterator is identical pos
*/
bool operator>= (const iterator& _obj) const {
if (m_data != _obj.m_data) {
return false;
}
if (m_current >= _obj.m_current) {
return true;
}
return false;
};
/**
* @brief < iterator
* @return true if the iterator is identical pos
*/
bool operator< (const iterator& _obj) const {
if (m_data != _obj.m_data) {
return false;
}
if (m_current < _obj.m_current) {
return true;
}
return false;
};
/**
* @brief > iterator
* @return true if the iterator is identical pos
*/
bool operator> (const iterator& _obj) const {
if (m_data != _obj.m_data) {
return false;
}
if (m_current > _obj.m_current) {
return true;
}
return false;
};
/**
* @brief Get the value on the current element
* @return The request element value
*/
char32_t operator* ();
/**
* @brief Get the position in the buffer
* @return The requested position.
*/
size_t getPos() const {
if (m_data == nullptr) {
return 0;
}
if (m_current < 0) {
return 0;
}
if (m_current >= (int64_t)m_data->size()) {
return m_data->size()-1;
}
return (size_t)m_current;
};
/**
* @brief move the element position
* @return a new iterator.
*/
iterator operator+ (const int64_t _val) const {
iterator tmpp(*this);
for (int64_t iii=0; iii<_val; ++iii) {
++tmpp;
}
return tmpp;
};
iterator operator+ (const int32_t _val) const {
iterator tmpp(*this);
for (int64_t iii=0; iii<_val; ++iii) {
++tmpp;
}
return tmpp;
};
iterator operator+ (const size_t _val) const {
iterator tmpp(*this);
for (int64_t iii=0; iii<(int64_t)_val; ++iii) {
++tmpp;
}
return tmpp;
};
/**
* @brief move the element position
* @return a new iterator.
*/
iterator operator- (const int64_t _val) const {
iterator tmpp(*this);
for (int64_t iii=0; iii<_val; ++iii) {
--tmpp;
}
return tmpp;
};
iterator operator- (const int32_t _val) const {
iterator tmpp(*this);
for (int64_t iii=0; iii<_val; ++iii) {
--tmpp;
}
return tmpp;
};
iterator operator- (const size_t _val) const {
iterator tmpp(*this);
for (int64_t iii=0; iii<(int64_t)_val; ++iii) {
--tmpp;
}
return tmpp;
};
/*
iterator begin() const {
return iterator(m_data);
}
iterator end() const {
return --iterator(m_data, m_data.end());
}
*/
};
};
namespace std {
#if (defined(__TARGET_OS__MacOs) || defined(__TARGET_OS__Windows))
typedef std::basic_string<char32_t> u32string;
#endif
#if (defined(__TARGET_OS__Android))
//! @previous
std::string to_string(int _val);
//! @previous
std::string to_string(long _val);
//! @previous
std::string to_string(long long _val);
//! @previous
std::string to_string(unsigned _val);
//! @previous
std::string to_string(unsigned long _val);
//! @previous
std::string to_string(unsigned long long _val);
//! @previous
std::string to_string(float _val);
//! @previous
std::string to_string(double _val);
//! @previous
std::string to_string(long double _val);
double stod(const std::string& _str, size_t* _idx = 0);
float stof(const std::string& _str, size_t* _idx = 0);
int stoi(const std::string& _str, size_t* _idx = 0, int _base = 10);
long stol(const std::string& _str, size_t* _idx = 0, int _base = 10);
long double stold(const std::string& _str, size_t* _idx = 0);
long long stoll(const std::string& _str, size_t* _idx = 0, int _base = 10);
unsigned long stoul(const std::string& _str, size_t* _idx = 0, int _base = 10);
unsigned long long stoull(const std::string& _str, size_t* _idx = 0, int _base = 10);
#endif
};
namespace etk {
// these declaration is to prevent some under template declaration of unknown type
template <class TYPE> std::string to_string(const TYPE& _variable);
#if __cplusplus >= 201103L
template <class TYPE> std::u32string to_u32string(const TYPE& _variable);
#endif
// these declaration is to prevent some under template declaration of unknown type
template <class TYPE> bool from_string(TYPE& _variableRet, const std::string& _value);
#if __cplusplus >= 201103L
template <class TYPE> bool from_string(TYPE& _variableRet, const std::u32string& _value);
#endif
// TODO : Change this in :
// TODO : template <typename TYPE> TYPE string_to<TYPE>(const std::u32string& _value); ==> check exceptions ...
long double string_to_long_double(const std::string& _str);
#if __cplusplus >= 201103L
long double string_to_long_double(const std::u32string& _str);
#endif
double string_to_double(const std::string& _str);
#if __cplusplus >= 201103L
double string_to_double(const std::u32string& _str);
#endif
float string_to_float(const std::string& _str);
#if __cplusplus >= 201103L
float string_to_float(const std::u32string& _str);
#endif
int8_t string_to_int8_t(const std::string& _str, int _base = 10);
#if __cplusplus >= 201103L
int8_t string_to_int8_t(const std::u32string& _str, int _base = 10);
#endif
int16_t string_to_int16_t(const std::string& _str, int _base = 10);
#if __cplusplus >= 201103L
int16_t string_to_int16_t(const std::u32string& _str, int _base = 10);
#endif
int32_t string_to_int32_t(const std::string& _str, int _base = 10);
#if __cplusplus >= 201103L
int32_t string_to_int32_t(const std::u32string& _str, int _base = 10);
#endif
int64_t string_to_int64_t(const std::string& _str, int _base = 10);
#if __cplusplus >= 201103L
int64_t string_to_int64_t(const std::u32string& _str, int _base = 10);
#endif
uint8_t string_to_uint8_t(const std::string& _str, int _base = 10);
#if __cplusplus >= 201103L
uint8_t string_to_uint8_t(const std::u32string& _str, int _base = 10);
#endif
uint16_t string_to_uint16_t(const std::string& _str, int _base = 10);
#if __cplusplus >= 201103L
uint16_t string_to_uint16_t(const std::u32string& _str, int _base = 10);
#endif
uint32_t string_to_uint32_t(const std::string& _str, int _base = 10);
#if __cplusplus >= 201103L
uint32_t string_to_uint32_t(const std::u32string& _str, int _base = 10);
#endif
uint64_t string_to_uint64_t(const std::string& _str, int _base = 10);
#if __cplusplus >= 201103L
uint64_t string_to_uint64_t(const std::u32string& _str, int _base = 10);
#endif
bool string_to_bool(const std::string& _str);
#if __cplusplus >= 201103L
bool string_to_bool(const std::u32string& _str);
#endif
std::string tolower(std::string _obj);
#if __cplusplus >= 201103L
//! @previous
std::u32string tolower(std::u32string _obj);
#endif
std::string toupper(std::string _obj);
#if __cplusplus >= 201103L
//! @previous
std::u32string toupper(std::u32string _obj);
#endif
bool compare_no_case(const std::string& _obj, const std::string& _val);
#if __cplusplus >= 201103L
//! @previous
bool compare_no_case(const std::u32string& _obj, const std::u32string& _val);
#endif
bool end_with(const std::string& _obj, const std::string& _val, bool _caseSensitive = true);
#if __cplusplus >= 201103L
//! @previous
bool end_with(const std::u32string& _obj, const std::u32string& _val, bool _caseSensitive = true);
#endif
bool start_with(const std::string& _obj, const std::string& _val, bool _caseSensitive = true);
#if __cplusplus >= 201103L
//! @previous
bool start_with(const std::u32string& _obj, const std::u32string& _val, bool _caseSensitive = true);
#endif
std::string replace(const std::string& _obj, char _val, char _replace);
#if __cplusplus >= 201103L
//! @previous
std::u32string replace(const std::u32string& _obj, char32_t _val, char32_t _replace);
#endif
std::string extract_line(const std::string& _obj, int32_t _pos);
#if __cplusplus >= 201103L
//! @previous
std::u32string extract_line(const std::u32string& _obj, int32_t _pos);
#endif
std::vector<std::string> split(const std::string& _input, char _val);
#if __cplusplus >= 201103L
//! @previous
std::vector<std::u32string> split(const std::u32string& _input, char32_t _val);
#endif
void sort(std::vector<std::string *>& _list);
#if __cplusplus >= 201103L
//! @previous
void sort(std::vector<std::u32string *>& _list);
#endif
template<typename T, typename T2> bool isIn(const T& _val, const std::vector<T2>& _list) {
for (size_t iii=0; iii<_list.size(); ++iii) {
if (_list[iii] == _val) {
return true;
}
}
return false;
}
};
namespace std {
template <class TYPE> const TYPE& avg(const TYPE& a, const TYPE& b, const TYPE& c) {
return std::min(std::max(a,b),c);
}
};
namespace std {
std::ostream& operator <<(std::ostream& _os, const std::string& _obj);
std::ostream& operator <<(std::ostream& _os, const std::vector<std::string>& _obj);
#if __cplusplus >= 201103L
std::ostream& operator <<(std::ostream& _os, const std::u32string& _obj);
std::ostream& operator <<(std::ostream& _os, const std::vector<std::u32string>& _obj);
#endif
std::ostream& operator <<(std::ostream& _os, const std::vector<float>& _obj);
std::ostream& operator <<(std::ostream& _os, const std::vector<double>& _obj);
std::ostream& operator <<(std::ostream& _os, const std::vector<int64_t>& _obj);
std::ostream& operator <<(std::ostream& _os, const std::vector<uint64_t>& _obj);
std::ostream& operator <<(std::ostream& _os, const std::vector<int32_t>& _obj);
std::ostream& operator <<(std::ostream& _os, const std::vector<uint32_t>& _obj);
std::ostream& operator <<(std::ostream& _os, const std::vector<int16_t>& _obj);
std::ostream& operator <<(std::ostream& _os, const std::vector<uint16_t>& _obj);
std::ostream& operator <<(std::ostream& _os, const std::vector<int8_t>& _obj);
std::ostream& operator <<(std::ostream& _os, const std::vector<uint8_t>& _obj);
};
int32_t strlen(const char32_t * _data);
#if (defined(__TARGET_OS__Windows))
#define M_PI 3.14159265358979323846
#endif
#endif