rcpp_framework/core/string.h

248 lines
8.1 KiB
C++

#ifndef STRING_H
#define STRING_H
#include <inttypes.h>
#include <string>
#include "core/containers/vector.h"
//TODO move to wchar_t!
class String {
public:
void push_back(const char element);
void push_back(const wchar_t element);
void pop_back();
void remove(const int index);
void erase(const char element);
void erase(const int start_index, const int length);
void clear();
bool empty() const;
char get(const int index);
const char get(const int index) const;
void set(const int index, const char value);
int size() const;
int capacity() const;
void ensure_capacity(const int capacity);
void resize(const int s);
int find(const char val, const int from = 0) const;
int find(const String &val, const int from = 0) const;
void get_substr(char *into_buf, const int start_index, const int len);
void get_substr_nt(char *into_buf, const int start_index, const int len);
String substr(const int start_index, const int len) const;
String substr_index(const int start_index, const int end_index) const;
bool contains(const char val) const;
bool contains(const String &val) const;
bool is_word_at(const int index, const char* str) const;
bool is_word_at(const int index, const String &val) const;
void replace_from(const int start_index, const int length, const String &with);
void replace(const String &find_str, const String &with);
void replace(const String &find_str, const String &with, const int count);
int compare(const String &other) const;
int first_difference_index(const String &other) const;
void to_lower();
String as_lower() const;
void trim();
void trim_beginning();
void trim_end();
bool ends_with(const char c) const;
bool ends_with(const String &str) const;
bool starts_with(const char c) const;
bool starts_with(const String &str) const;
int get_slice_count(const char splitter) const;
int get_slice_count(const String &splitter) const;
String get_slice(const char splitter, int index);
String get_slice(const String &splitter, int index);
Vector<String> split(const char splitter) const;
Vector<String> split(const String &splitter) const;
uint8_t read_uint8_bytes_at(int &index, bool advance_index = true);
uint16_t read_uint16_bytes_at(int &index, bool advance_index = true);
uint32_t read_uint32_bytes_at(int &index, bool advance_index = true);
uint64_t read_uint64_bytes_at(int &index, bool advance_index = true);
int8_t read_int8_bytes_at(int &index, bool advance_index = true);
int16_t read_int16_bytes_at(int &index, bool advance_index = true);
int32_t read_int32_bytes_at(int &index, bool advance_index = true);
int64_t read_int64_bytes_at(int &index, bool advance_index = true);
void append_uint8_bytes(const uint8_t val);
void append_uint16_bytes(const uint16_t val);
void append_uint32_bytes(const uint32_t val);
void append_uint64_bytes(const uint64_t val);
void append_int8_bytes(const int8_t val);
void append_int16_bytes(const int16_t val);
void append_int32_bytes(const int32_t val);
void append_int64_bytes(const int64_t val);
float read_float_bytes_at(int &index, bool advance_index = true);
void append_float_bytes(const float val);
double read_double_bytes_at(int &index, bool advance_index = true);
void append_double_bytes(const double val);
void append_str(const char* str);
void append_str(const wchar_t* str);
void append_str(const String &other);
void append_str(const std::string &str);
void append_repeat(const char* str, const int times);
void append_repeat(const String &other, const int times);
void to_html_special_chars();
void from_html_special_chars();
bool to_bool() const;
float to_float() const;
double to_double() const;
int to_int() const;
bool is_bool() const;
bool is_numeric() const;
bool is_int() const;
bool is_uint() const;
bool is_zero() const;
uint32_t to_uint() const;
std::string to_string() const;
void print() const;
static String bool_num(bool val);
static String bool_str(bool val);
//Taken from the Godot Engine (MIT License)
//Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.
//Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).
static String num(double p_num, int p_decimals = -1);
static String num_scientific(double p_num);
static String num_real(double p_num, bool p_trailing = true);
static String num_int64(int64_t p_num, int base = 10, bool capitalize_hex = false);
static String num_uint64(uint64_t p_num, int base = 10, bool capitalize_hex = false);
static String chr(char32_t p_char);
//Taken from the Godot Engine (MIT License)
//Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.
//Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).
String ascii(bool p_allow_extended = false) const;
String utf8() const;
bool parse_utf8(const char *p_utf8, int p_len = -1); //return true on error
static String utf8(const char *p_utf8, int p_len = -1);
//Taken from the Godot Engine (MIT License)
//Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.
//Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).
static uint32_t hash(const wchar_t *p_cstr, int p_len); /* hash the string */
static uint32_t hash(const wchar_t *p_cstr); /* hash the string */
static uint32_t hash(const char *p_cstr, int p_len); /* hash the string */
static uint32_t hash(const char *p_cstr); /* hash the string */
uint32_t hash() const; /* hash the string */
uint64_t hash64() const; /* hash the string */
char *c_str();
const char *c_str() const;
char *dataw();
const char *data() const;
const char operator[](const int index) const;
char &operator[](const int index);
String &operator+=(const String &b);
String &operator+=(const char chr);
String &operator+=(const char *p_c_str);
String &operator+=(const std::string &b);
friend String operator+(String lhs, const String &rhs);
friend String operator+(String lhs, const char *rhs);
friend String operator+(String lhs, const char rhs);
friend String operator+(String lhs, const std::string &rhs);
friend bool operator==(const String &a, const String &b);
friend bool operator!=(const String &a, const String &b);
friend bool operator==(const String &a, const char *b);
friend bool operator!=(const String &a, const char *b);
friend bool operator==(const char *b, const String &a);
friend bool operator!=(const char *b, const String &a);
friend bool operator==(const String &a, const wchar_t *b);
friend bool operator!=(const String &a, const wchar_t *b);
friend bool operator==(const wchar_t *b, const String &a);
friend bool operator!=(const wchar_t *b, const String &a);
friend bool operator==(const String &a, std::string &b);
friend bool operator!=(const String &a, std::string &b);
friend bool operator==(std::string &b, const String &a);
friend bool operator!=(std::string &b, const String &a);
friend bool operator<(const String &a, const String &b);
friend bool operator>(const String &a, const String &b);
friend bool operator<=(const String &a, const String &b);
friend bool operator>=(const String &a, const String &b);
operator std::string() { return to_string(); }
operator std::string() const { return to_string(); }
String& operator=(const String &other);
String& operator=(const std::string &other);
String& operator=(const char* other);
String& operator=(const wchar_t* other);
String();
String(const String &other);
String(const String &other, const int grow_by);
String(const char* p_c_str);
String(const char* p_c_str, const int grow_by);
String(const wchar_t* p_c_str);
String(const int prealloc);
String(const int prealloc, const int grow_by);
String(const std::string &str);
~String();
private:
char *_data;
int _actual_size;
int _size;
int _grow_by;
};
//Taken from the Godot Engine (MIT License)
//Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.
//Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).
template <typename L, typename R>
bool is_str_less(const L *l_ptr, const R *r_ptr) {
while (true) {
if (*l_ptr == 0 && *r_ptr == 0) {
return false;
} else if (*l_ptr == 0) {
return true;
} else if (*r_ptr == 0) {
return false;
} else if (*l_ptr < *r_ptr) {
return true;
} else if (*l_ptr > *r_ptr) {
return false;
}
l_ptr++;
r_ptr++;
}
}
#endif