etk/etk-core/UString.hpp

565 lines
18 KiB
C++

/**
* @author Edouard DUPIN
* @copyright 2011, Edouard DUPIN, all right reserved
* @license MPL-2 (see license file)
*/
#pragma once
#include <etk/types.hpp>
//#include <etk/debug.hpp>
#include <etk/Vector.hpp>
#include <etk/utf8.hpp>
#include <etk/stdTools.hpp>
namespace etk {
/**
* @brief string class ...
*/
class UString {
public:
class Iterator {
private:
size_t m_current; //!< current Id on the string
UString* m_string; //!< Pointer on the current element of the stringBin
public:
/**
* @brief Basic iterator constructor with no link with an etk::UString
*/
Iterator():
m_current(0),
m_string(null) {
// nothing to do ...
}
/**
* @brief Recopy constructor on a specific etk::UString.
* @param[in] _obj The Iterator that might be copy
*/
Iterator(const Iterator & _obj):
m_current(_obj.m_current),
m_string(_obj.m_string) {
// nothing to do ...
}
/**
* @brief Assignation operator.
* @param[in] _otherIterator The Iterator that might be copy
* @return reference on the current Iterator
*/
Iterator& operator=(const Iterator & _otherIterator) {
m_current = _otherIterator.m_current;
m_string = _otherIterator.m_string;
return *this;
}
/**
* @brief Basic destructor
*/
~Iterator() {
m_current = 0;
m_string = null;
}
/**
* @brief basic boolean cast
* @return true if the element is present in the etk::UString size
*/
operator bool () {
return (m_current < m_string->size());
}
/**
* @brief Incremental operator
* @return Reference on the current iterator increment
*/
Iterator& operator++ () {
if ( m_string != null
&& m_current < m_string->size() )
{
m_current++;
}
return *this;
}
/**
* @brief Decremental operator
* @return Reference on the current iterator decrement
*/
Iterator& operator-- () {
if ( m_string != null
&& m_current > 0) {
m_current--;
}
return *this;
}
/**
* @brief Incremental operator
* @return Reference on a new iterator and increment the other one
*/
Iterator operator++ (int) {
Iterator it(*this);
++(*this);
return it;
}
/**
* @brief Decremental operator
* @return Reference on a new iterator and decrement the other one
*/
Iterator operator-- (int) {
Iterator it(*this);
--(*this);
return it;
}
Iterator& operator-= (size_t _offset) {
m_current -= _offset;
return *this;
}
Iterator operator- (size_t _offset) const {
Iterator tmp(*this);
tmp -= _offset;
return tmp;
}
Iterator& operator-= (int _offset) {
m_current -= _offset;
return *this;
}
Iterator operator- (int _offset) const {
Iterator tmp(*this);
tmp -= _offset;
return tmp;
}
Iterator& operator+= (size_t _offset) {
m_current += _offset;
return *this;
}
Iterator operator+ (size_t _offset) const {
Iterator tmp(*this);
tmp += _offset;
return tmp;
}
Iterator& operator+= (int _offset) {
m_current += _offset;
return *this;
}
Iterator operator+ (int _offset) const {
Iterator tmp(*this);
tmp += _offset;
return tmp;
}
/**
* @brief Get reference on the current Element
* @return the reference on the current Element
*/
char32_t operator* () const {
//TK_ASSERT(m_current < m_string->size(), "out of range");
return m_string->get(m_current);
}
/**
* @brief Get reference on the current Element
* @return the reference on the current Element
*/
char32_t& operator* () {
//TK_ASSERT(m_current < m_string->size(), "out of range");
return m_string->get(m_current);
}
/*****************************************************
* == operator
*****************************************************/
bool operator== (const Iterator& _obj) const {
// check if it was the same pointer
if( this == &_obj ) {
return true;
}
if (m_current != _obj.m_current) {
return false;
}
if (m_string != _obj.m_string) {
return false;
}
return true;
}
/*****************************************************
* != operator
*****************************************************/
bool operator!= (const Iterator& _obj) const {
// check if it was the same pointer
if( this == &_obj ) {
return false;
}
if (m_current != _obj.m_current) {
return true;
}
if (m_string != _obj.m_string) {
return true;
}
return false;
}
private:
Iterator(const UString* _obj, int32_t _pos):
m_current(_pos),
m_string(const_cast<UString*>(_obj)) {
// nothing to do ...
}
size_t getCurrent() const {
return m_current;
}
friend class UString;
};
private:
etk::Vector<char32_t> m_data; //!< pointer on the current data (contain all time 1 element '\0')
public:
static const size_t npos = size_t(-1);
/**
* @brief Create an empty string
*/
UString();
/**
* @brief Copy constructor (copy all data)
* @param[in] _obj String that might be copy
*/
UString(const etk::UString& _obj);
/**
* @brief Partial copy constructor (copy all needed data)
* @param[in] _obj String that might be copy (part of it)
* @param[in] _pos Start position to copy data
* @param[in] _size Number of element to copy in the string
*/
UString(const etk::UString& _obj, size_t _pos, size_t _size = etk::UString::npos);
/**
* @brief Copy the null-terminated C string.
* @param[in] _obj C string that might be copy (end by '\0')
*/
UString(const char32_t* _obj);
/**
* @brief Partial copy of the null-terminated C string.
* @param[in] _obj String that might be copyC string that might be copy (end by '\0')
* @param[in] _size Number of element to copy.
*/
UString(const char32_t* _obj, size_t _size);
/**
* @brief Fills the string with _size consecutive copies of character _val.
* @param[in] _size Number of element in the string
* @param[in] _val Value to set in the string
*/
UString(size_t _size, char32_t _val);
/**
* @brief Copy all element betewwen the 2 iterator of the new string.
* @param[in] _start Start iterator of adding value.
* @param[in] _stop Start iterator of adding value.
*/
UString(Iterator _start, Iterator _stop);
/**
* @brief Move constructor
* @param[in] _obj String that might be move inside
*/
UString(etk::UString&& _obj) noexcept;
/**
* @brief Set constructor
* @param[in] _value Char element to set in the string
*/
UString(char32_t _value);
/**
* @brief Destructor of the current Class
*/
~UString();
/**
* @brief Swap the data of 2 Strings
* @param[in] _obj second string to swap data.
*/
void swap(etk::UString& _obj);
/**
* @brief Re-copy operator
* @param[in] _obj String that might be copy
* @return reference on the current re-copy string
*/
UString& operator=(const etk::UString& _obj);
/**
* @brief Re-copy operator
* @param[in] _obj C string terminated with '\0'
* @return reference on the current re-copy string
*/
UString& operator=(const char32_t* _obj);
/**
* @brief Re-copy operator
* @param[in] _value char32_t value to set in the string
* @return reference on the current re-copy string
*/
UString& operator=(char32_t _value);
/**
* @brief Add at the Last position of the String
* @param[in] _obj Element to add at the end of string
*/
UString& operator+= (const etk::UString& _obj);
/**
* @brief Add at the Last position of the String
* @param[in] _obj C string terminated with '\0'
*/
UString& operator+= (const char32_t* _obj);
/**
* @brief Add at the Last position of the String
* @param[in] _value Simple character to add.
*/
UString& operator+= (char32_t _value);
/**
* @brief Get the number of element in the string
* @return The number requested
*/
size_t size() const;
/**
* @brief Check if the container have some element
* @return true The container is empty
* @return famse The container have some element
*/
bool empty() const {
return size() == 0;
}
/**
* @brief Get a current element in the string
* @param[in] _pos Desired position read
* @return Reference on the Element
*/
char32_t& get(size_t _pos) {
return m_data[_pos];
}
/**
* @brief Get an copy Element an a special position
* @param[in] _pos Position in the string that might be get [0..Size()]
* @return An reference on the copy of selected element
*/
char32_t& operator[] (size_t _pos) {
return m_data[_pos];
}
/**
* @brief Get an Element an a special position
* @param[in] _pos Position in the string that might be get [0..Size()]
* @return An reference on the selected element
*/
const char32_t& operator[] (size_t _pos) const {
return m_data[_pos];
}
/**
* @brief Add at the First position of the String
* @param[in] _item Element to add at the end of string
*/
void pushFront(char32_t _item);
/**
* @brief Add at the Last position of the String
* @param[in] _item Pointer on a list of Element to add at the start of string
* @param[in] _nbElement Number of element to add.
*/
void pushFront(const char32_t* _item, size_t _nbElement);
/**
* @brief Add at the Last position of the String
* @param[in] _item Element to add at the end of string
*/
void pushBack(const char32_t _item);
/**
* @brief Add at the Last position of the String
* @param[in] _item Pointer on a list of Element to add at the end of string
* @param[in] _nbElement Number of element to add.
*/
void pushBack(const char32_t* _item, size_t _nbElement);
/**
* @brief Remove the last element of the string
*/
void popBack();
/**
* @brief Force the container to have a minimum size in memory allocation
* @param[in] _size Size in byte that is requested.
*/
void reserve(size_t _size);
/**
* @brief Remove all element in the current string
*/
void clear();
/**
* @brief Insert N element in the String.
* @param[in] _pos Position to add the elements.
* @param[in] _item Pointer on a table of the elements to add.
* @param[in] _nbElement Number of element to add in the String
*/
void insert(size_t _pos, const char32_t* _item, size_t _nbElement);
//! @previous
void insert(const Iterator& _pos, const char32_t* _item, size_t _nbElement) {
insert(_pos.getCurrent(), _item, _nbElement);
};
/**
* @brief Insert one element in the String at a specific position
* @param[in] _pos Position to add the elements.
* @param[in] _item Element to add.
*/
void insert(size_t _pos, const char32_t _item);
//! @previous
void insert(const Iterator& _pos, const char32_t _item) {
insert(_pos.getCurrent(), _item);
}
/**
* @brief Insert one element in the String at a specific position
* @param[in] _pos Position to add the elements.
* @param[in] _item Element to add.
*/
void insert(size_t _pos, const etk::UString& _value);
//! @previous
void insert(const Iterator& _pos, const UString& _value) {
insert(_pos.getCurrent(), _value);
}
/**
* @brief Remove N element
* @param[in] _pos Position to remove the data
* @param[in] _nbElement number of element to remove
*/
void erase(size_t _pos, size_t _nbElement=1);
//! @previous
void erase(const Iterator& _pos) {
erase(_pos.getCurrent(), 1);
}
/**
* @brief Remove N elements
* @param[in] _start Position to remove the data
* @param[in] _stop Last position number
*/
void eraseRange(size_t _start, size_t _stop);
//! @previous
void erase(const Iterator& _start, const Iterator& _stop) {
eraseRange(_start.getCurrent(), _stop.getCurrent());
}
/**
* @brief extract data between two point :
* @param[in] _posStart start position to extract data
* @param[in] _posEnd End position to extract data
* @return the extracted string
*/
etk::UString extract(size_t _posStart = 0, size_t _posEnd=etk::UString::npos) const;
//! @previous
etk::UString extract(const Iterator& _start, const Iterator& _stop) const {
return extract(_start.getCurrent(), _stop.getCurrent());
}
/**
* @brief Get the pointer on the data
* @return pointer on the "C" string
*/
const char32_t* c_str() const;
/**
* @brief Get an iterator an an specific position
* @param[in] _pos Requested position of the iterator in the string
* @return The Iterator
*/
Iterator position(size_t _pos);
const Iterator position(size_t _pos) const;
/**
* @brief Get an Iterator on the start position of the String
* @return The Iterator
*/
Iterator begin();
const Iterator begin() const;
/**
* @brief Get an Iterator on the end position of the String
* @return The Iterator
*/
Iterator end();
const Iterator end() const;
/**
* @brief Change the current size of the string
* @param[in] _newSize New requested size of element in the string
* @param[in] _value Value to set at the new element
*/
void resize(size_t _newSize, char32_t _value = '\0');
/*****************************************************
* == operator
*****************************************************/
bool operator== (const etk::UString& _obj) const;
/*****************************************************
* != operator
*****************************************************/
bool operator!= (const etk::UString& _obj) const;
size_t find(char32_t _value, size_t _pos=0) const;
size_t find(const etk::UString& _value, size_t _pos=0) const;
size_t rfind(char32_t _value, size_t _pos=etk::UString::npos) const;
size_t rfind(const etk::UString& _value, size_t _pos=etk::UString::npos) const;
etk::UString& replace(size_t _pos, size_t _len, char32_t _replace);
etk::UString& replace(size_t _pos, size_t _len, const etk::UString& _replace);
etk::UString& replace(char32_t _val, char32_t _replace);
etk::UString& replace(const etk::UString& _val, const etk::UString& _replace);
etk::UString getLine(int32_t _pos) const;
etk::UString toLower() const;
etk::UString& lower();
etk::UString toUpper() const;
etk::UString& upper();
bool compare(const etk::UString& _val, bool _caseSensitive = true) const;
bool endWith(const etk::UString& _val, bool _caseSensitive = true) const;
bool startWith(const etk::UString& _val, bool _caseSensitive = true) const;
etk::Vector<etk::UString> split(char32_t _val) const;
etk::Vector<etk::UString> split(etk::UString _val) const;
/**
* @brief Template that permit to convert string in everythings you want
* @param[in] ETK_STRING_TYPE Template type of the convertion output
*/
template <class ETK_STRING_TYPE>
ETK_STRING_TYPE to() const;
};
bool operator> (const UString& _left, const UString& _right);
bool operator>= (const UString& _left, const UString& _right);
bool operator< (const UString& _left, const UString& _right);
bool operator<= (const UString& _left, const UString& _right);
UString operator+ (const UString& _left, const UString& _right);
UString operator+ (const UString& _left, const char32_t* _right);
UString operator+ (const char32_t* _left, const UString& _right);
UString operator+ (const UString& _left, char32_t _right);
UString operator+ (char32_t _left, const UString& _right);
/**
* @brief Template to declare conversion from anything in etk::UString
* @param[in] _variable Variable to convert
* @return String of the value
*/
template <class TYPE>
etk::UString toUString(const TYPE& _variable);
//! @not_in_doc
etk::Stream& operator <<(etk::Stream& _os, const etk::UString& _obj);
/**
* @brief Template to declare conversion from string to anything
* @param[out] _variableRet Output value
* @param[in] _value input property
* @return true if the can be converted.
*/
template <class TYPE>
bool from_string(TYPE& _variableRet, const etk::UString& _value);
void sort(etk::Vector<etk::UString *>& _list);
void sort(etk::Vector<etk::UString>& _list);
// TODO: DEPRECATED function:
long double string_to_long_double(const etk::UString& _obj);
double string_to_double(const etk::UString& _obj);
float string_to_float(const etk::UString& _obj);
int8_t string_to_int8_t(const etk::UString& _obj);
int16_t string_to_int16_t(const etk::UString& _obj);
int32_t string_to_int32_t(const etk::UString& _obj);
int64_t string_to_int64_t(const etk::UString& _obj);
uint8_t string_to_uint8_t(const etk::UString& _obj);
uint16_t string_to_uint16_t(const etk::UString& _obj);
uint32_t string_to_uint32_t(const etk::UString& _obj);
uint64_t string_to_uint64_t(const etk::UString& _obj);
bool string_to_bool(const etk::UString& _obj);
etk::UString toLower(etk::UString _obj);
etk::UString toUpper(etk::UString _obj);
bool compare_no_case(const etk::UString& _obj, const etk::UString& _val);
bool end_with(const etk::UString& _obj, const etk::UString& _val, bool _caseSensitive = true);
bool start_with(const etk::UString& _obj, const etk::UString& _val, bool _caseSensitive = true);
etk::UString replace(const etk::UString& _obj, char32_t _val, char32_t _replace);
etk::UString extract_line(const etk::UString& _obj, int32_t _pos);
etk::Vector<etk::UString> split(const etk::UString& _obj, char32_t _val);
/**
* @brief Template to declare conversion from etk::Vector<anything> in etk::String
* @param[in] _list Variable to convert
* @return String of the value: {...,...,...}
*/
template <class TYPE>
etk::UString toUString(const etk::Vector<TYPE>& _list) {
etk::UString out = U"{";
for (size_t iii=0; iii<_list.size(); ++iii) {
if (iii!=0) {
out += U";";
}
out+= etk::toUString(_list[iii]);
}
out += U"}";
return out;
}
}