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612 lines
20 KiB
C++
612 lines
20 KiB
C++
//--STRIP
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#ifndef USTRING_H
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#define USTRING_H
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//--STRIP
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/*************************************************************************/
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/* ustring.h */
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/* From https://github.com/Relintai/pandemonium_engine (MIT) */
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/*************************************************************************/
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//--STRIP
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#include "cowdata.h"
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#include "core/vector.h"
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#include "char_utils.h"
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#include "core/typedefs.h"
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//--STRIP
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/*************************************************************************/
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/* CharProxy */
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/*************************************************************************/
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template <class T>
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class CharProxy {
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friend class Char16String;
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friend class CharString;
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friend class String;
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const int _index;
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CowData<T> &_cowdata;
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static const T _null = 0;
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_FORCE_INLINE_ CharProxy(const int &p_index, CowData<T> &p_cowdata) :
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_index(p_index),
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_cowdata(p_cowdata) {}
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public:
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_FORCE_INLINE_ CharProxy(const CharProxy<T> &p_other) :
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_index(p_other._index),
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_cowdata(p_other._cowdata) {}
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_FORCE_INLINE_ operator T() const {
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if (unlikely(_cowdata.size() == 0)) {
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return _null;
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}
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return _cowdata.get(_index);
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}
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_FORCE_INLINE_ const T *operator&() const {
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return _cowdata.ptr() + _index;
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}
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_FORCE_INLINE_ void operator=(const T &p_other) const {
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_cowdata.set(_index, p_other);
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}
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_FORCE_INLINE_ void operator=(const CharProxy<T> &p_other) const {
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_cowdata.set(_index, p_other.operator T());
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}
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};
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/*************************************************************************/
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/* Char16String */
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/*************************************************************************/
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class Char16String {
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CowData<char16_t> _cowdata;
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static const char16_t _null;
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public:
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_FORCE_INLINE_ char16_t *ptrw() { return _cowdata.ptrw(); }
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_FORCE_INLINE_ const char16_t *ptr() const { return _cowdata.ptr(); }
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_FORCE_INLINE_ int size() const { return _cowdata.size(); }
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Error resize(int p_size) {
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Error err = _cowdata.resize(p_size);
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//Ensure null terminator
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if (err == OK && _cowdata.size() > 0) {
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_cowdata.set(_cowdata.size() - 1, '\0');
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}
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return err;
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}
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_FORCE_INLINE_ char16_t get(int p_index) const { return _cowdata.get(p_index); }
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_FORCE_INLINE_ void set(int p_index, const char16_t &p_elem) { _cowdata.set(p_index, p_elem); }
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_FORCE_INLINE_ const char16_t &operator[](int p_index) const {
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if (unlikely(_cowdata.size() == 0)) {
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return _null;
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}
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return _cowdata.get(p_index);
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}
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_FORCE_INLINE_ CharProxy<char16_t> operator[](int p_index) { return CharProxy<char16_t>(p_index, _cowdata); }
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_FORCE_INLINE_ Char16String() {}
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_FORCE_INLINE_ Char16String(const Char16String &p_str) { _cowdata._ref(p_str._cowdata); }
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_FORCE_INLINE_ void operator=(const Char16String &p_str) { _cowdata._ref(p_str._cowdata); }
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_FORCE_INLINE_ Char16String(const char16_t *p_cstr) { copy_from(p_cstr); }
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void operator=(const char16_t *p_cstr);
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bool operator<(const Char16String &p_right) const;
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Char16String &operator+=(char16_t p_char);
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int length() const { return size() ? size() - 1 : 0; }
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const char16_t *get_data() const;
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operator const char16_t *() const { return get_data(); };
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protected:
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void copy_from(const char16_t *p_cstr);
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};
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/*************************************************************************/
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/* CharString */
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/*************************************************************************/
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class CharString {
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CowData<char> _cowdata;
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static const char _null;
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public:
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_FORCE_INLINE_ char *ptrw() { return _cowdata.ptrw(); }
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_FORCE_INLINE_ const char *ptr() const { return _cowdata.ptr(); }
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_FORCE_INLINE_ int size() const { return _cowdata.size(); }
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Error resize(int p_size) {
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Error err = _cowdata.resize(p_size);
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//Ensure null terminator
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if (err == OK && _cowdata.size() > 0) {
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_cowdata.set(_cowdata.size() - 1, '\0');
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}
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return err;
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}
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_FORCE_INLINE_ char get(int p_index) const { return _cowdata.get(p_index); }
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_FORCE_INLINE_ void set(int p_index, const char &p_elem) { _cowdata.set(p_index, p_elem); }
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_FORCE_INLINE_ const char &operator[](int p_index) const {
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if (unlikely(_cowdata.size() == 0)) {
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return _null;
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}
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return _cowdata.get(p_index);
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}
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_FORCE_INLINE_ CharProxy<char> operator[](int p_index) { return CharProxy<char>(p_index, _cowdata); }
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_FORCE_INLINE_ CharString() {}
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_FORCE_INLINE_ CharString(const CharString &p_str) { _cowdata._ref(p_str._cowdata); }
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_FORCE_INLINE_ void operator=(const CharString &p_str) { _cowdata._ref(p_str._cowdata); }
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_FORCE_INLINE_ CharString(const char *p_cstr) { copy_from(p_cstr); }
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void operator=(const char *p_cstr);
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bool operator<(const CharString &p_right) const;
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CharString &operator+=(char p_char);
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int length() const { return size() ? size() - 1 : 0; }
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const char *get_data() const;
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operator const char *() const { return get_data(); };
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protected:
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void copy_from(const char *p_cstr);
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};
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/*************************************************************************/
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/* String */
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/*************************************************************************/
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typedef char32_t CharType;
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struct StrRange {
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const CharType *c_str;
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int len;
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StrRange(const CharType *p_c_str = nullptr, int p_len = 0) {
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c_str = p_c_str;
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len = p_len;
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}
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};
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class String {
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public:
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enum {
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npos = -1 ///<for "some" compatibility with std::string (npos is a huge value in std::string)
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};
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_FORCE_INLINE_ CharType *ptrw() { return _cowdata.ptrw(); }
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_FORCE_INLINE_ const CharType *ptr() const { return _cowdata.ptr(); }
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_FORCE_INLINE_ void remove(int p_index) {
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_cowdata.remove(p_index);
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//Ensure null terminator
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if (_cowdata.size() > 0) {
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_cowdata.set(_cowdata.size() - 1, '\0');
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}
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}
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_FORCE_INLINE_ void clear() { resize(0); }
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_FORCE_INLINE_ CharType get(int p_index) const { return _cowdata.get(p_index); }
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_FORCE_INLINE_ void set(int p_index, const CharType &p_elem) { _cowdata.set(p_index, p_elem); }
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_FORCE_INLINE_ int size() const { return _cowdata.size(); }
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_FORCE_INLINE_ Error resize(int p_size) {
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Error err = _cowdata.resize(p_size);
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//Ensure null terminator
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if (err == OK && _cowdata.size() > 0) {
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_cowdata.set(_cowdata.size() - 1, '\0');
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}
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return err;
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}
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_FORCE_INLINE_ Error set_length(int p_length) { return resize(p_length + 1); }
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_FORCE_INLINE_ const CharType &operator[](int p_index) const {
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return _cowdata.get(p_index);
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}
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_FORCE_INLINE_ CharProxy<CharType> operator[](int p_index) { return CharProxy<CharType>(p_index, _cowdata); }
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bool operator==(const String &p_str) const;
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bool operator!=(const String &p_str) const;
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String operator+(const String &p_str) const;
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//String operator+(CharType p_char) const;
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String &operator+=(const String &);
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String &operator+=(CharType p_char);
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String &operator+=(const char *p_str);
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String &operator+=(const wchar_t *p_str);
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String &operator+=(const CharType *p_str);
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/* Compatibility Operators */
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void operator=(const char *p_str);
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void operator=(const wchar_t *p_str);
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void operator=(const CharType *p_str);
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bool operator==(const char *p_str) const;
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bool operator==(const wchar_t *p_str) const;
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bool operator==(const CharType *p_str) const;
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bool operator==(const StrRange &p_str_range) const;
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bool operator!=(const char *p_str) const;
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bool operator!=(const wchar_t *p_str) const;
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bool operator!=(const CharType *p_str) const;
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bool operator<(const CharType *p_str) const;
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bool operator<(const char *p_str) const;
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bool operator<(const wchar_t *p_str) const;
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bool operator<(const String &p_str) const;
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bool operator<=(const String &p_str) const;
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bool operator>(const String &p_str) const;
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bool operator>=(const String &p_str) const;
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signed char casecmp_to(const String &p_str) const;
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signed char nocasecmp_to(const String &p_str) const;
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signed char naturalnocasecmp_to(const String &p_str) const;
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const CharType *get_data() const;
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/* standard size stuff */
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_FORCE_INLINE_ int length() const {
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int s = size();
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return s ? (s - 1) : 0; // length does not include zero
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}
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bool is_valid_string() const;
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/* debug, error messages */
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void print_unicode_error(const String &p_message, bool p_critical = false) const;
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/* complex helpers */
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String substr(int p_from, int p_chars = -1) const;
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String substr_index(const int p_start_index, const int p_end_index) const; //end_index is not included
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int find(const String &p_str, int p_from = 0) const; ///< return <0 if failed
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int find(const char *p_str, int p_from = 0) const; ///< return <0 if failed
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int find_char(const CharType &p_char, int p_from = 0) const; ///< return <0 if failed
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int find_last(const String &p_str) const; ///< return <0 if failed
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int findn(const String &p_str, int p_from = 0) const; ///< return <0 if failed, case insensitive
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int rfind(const String &p_str, int p_from = -1) const; ///< return <0 if failed
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int rfindn(const String &p_str, int p_from = -1) const; ///< return <0 if failed, case insensitive
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int findmk(const Vector<String> &p_keys, int p_from = 0, int *r_key = nullptr) const; ///< return <0 if failed
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int find_first_difference_index(const String &p_str) const;
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bool is_word_at(const int p_index, const char *p_str) const;
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bool is_word_at(const int p_index, const String &p_str) const;
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bool match(const String &p_wildcard) const;
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bool matchn(const String &p_wildcard) const;
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bool begins_with(const String &p_string) const;
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bool begins_with(const char *p_string) const;
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bool ends_with(const String &p_string) const;
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bool is_enclosed_in(const String &p_string) const;
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bool is_subsequence_of(const String &p_string) const;
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bool is_subsequence_ofi(const String &p_string) const;
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bool is_quoted() const;
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Vector<String> bigrams() const;
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float similarity(const String &p_string) const;
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//String format(const Variant &values, String placeholder = "{_}") const;
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String replace_first(const String &p_key, const String &p_with) const;
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String replace(const String &p_key, const String &p_with) const;
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String replace(const char *p_key, const char *p_with) const;
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String replacen(const String &p_key, const String &p_with) const;
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String newline_to_br() const;
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String repeat(int p_count) const;
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String insert(int p_at_pos, const String &p_string) const;
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String pad_decimals(int p_digits) const;
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String pad_zeros(int p_digits) const;
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String trim_prefix(const String &p_prefix) const;
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String trim_suffix(const String &p_suffix) const;
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String lpad(int min_length, const String &character = " ") const;
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String rpad(int min_length, const String &character = " ") const;
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//Moved this to Array to simplify the library's design
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//String sprintf(const Array &values, bool *error) const;
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String quote(String quotechar = "\"") const;
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String unquote() const;
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static String num(double p_num, int p_decimals = -1);
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static String num_scientific(double p_num);
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static String num_real(double p_num);
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static String num_int64(int64_t p_num, int base = 10, bool capitalize_hex = false);
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static String num_uint64(uint64_t p_num, int base = 10, bool capitalize_hex = false);
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static String chr(CharType p_char);
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static String md5(const uint8_t *p_md5);
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static String hex_encode_buffer(const uint8_t *p_buffer, int p_len);
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static String bool_num(bool p_val);
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static String bool_str(bool p_val);
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bool is_numeric() const;
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bool is_zero() const;
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double to_double() const;
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float to_float() const;
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int to_int() const;
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bool to_bool() const;
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uint32_t to_uint() const;
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int hex_to_int(bool p_with_prefix = true) const;
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int64_t hex_to_int64(bool p_with_prefix = true) const;
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int64_t bin_to_int64(bool p_with_prefix = true) const;
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int64_t to_int64() const;
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static int64_t to_int(const char *p_str, int p_len = -1);
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static int64_t to_int(const wchar_t *p_str, int p_len = -1);
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static int64_t to_int(const CharType *p_str, int p_len = -1, bool p_clamp = false);
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static double to_float(const char *p_str);
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static double to_float(const wchar_t *p_str, const wchar_t **r_end = nullptr);
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static double to_float(const CharType *p_str, const CharType **r_end = nullptr);
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static double to_double(const char *p_str);
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static double to_double(const wchar_t *p_str, const wchar_t **r_end = nullptr);
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static double to_double(const CharType *p_str, const CharType **r_end = nullptr);
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static uint32_t num_characters(int64_t p_int);
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String capitalize() const;
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String camelcase_to_underscore(bool lowercase = true) const;
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int get_slice_count(String p_splitter) const;
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String get_slice(String p_splitter, int p_slice) const;
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String get_slicec(CharType p_splitter, int p_slice) const;
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Vector<String> split(const String &p_splitter, bool p_allow_empty = true, int p_maxsplit = 0) const;
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Vector<String> rsplit(const String &p_splitter, bool p_allow_empty = true, int p_maxsplit = 0) const;
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Vector<String> split_spaces() const;
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Vector<float> split_floats(const String &p_splitter, bool p_allow_empty = true) const;
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Vector<float> split_floats_mk(const Vector<String> &p_splitters, bool p_allow_empty = true) const;
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Vector<int> split_ints(const String &p_splitter, bool p_allow_empty = true) const;
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Vector<int> split_ints_mk(const Vector<String> &p_splitters, bool p_allow_empty = true) const;
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String join(const Vector<String> &parts) const;
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static CharType char_uppercase(CharType p_char);
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static CharType char_lowercase(CharType p_char);
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String to_upper() const;
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String to_lower() const;
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int count(const String &p_string, int p_from = 0, int p_to = 0) const;
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int countn(const String &p_string, int p_from = 0, int p_to = 0) const;
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String left(int p_pos) const;
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String right(int p_pos) const;
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String indent(const String &p_prefix) const;
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String dedent() const;
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String strip_edges(bool left = true, bool right = true) const;
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String strip_escapes() const;
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String lstrip(const String &p_chars) const;
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String rstrip(const String &p_chars) const;
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String get_extension() const;
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String get_basename() const;
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String plus_file(const String &p_file) const;
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CharType unicode_at(int p_idx) const;
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CharType ord_at(int p_idx) const;
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void erase(int p_pos, int p_chars);
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CharString ascii(bool p_allow_extended = false) const;
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CharString utf8() const;
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Error parse_utf8(const char *p_utf8, int p_len = -1, bool p_skip_cr = false); //return true on error
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static String utf8(const char *p_utf8, int p_len = -1);
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int utf8_byte_length() const;
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Char16String utf16() const;
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Error parse_utf16(const char16_t *p_utf16, int p_len = -1);
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static String utf16(const char16_t *p_utf16, int p_len = -1);
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int utf16_byte_length() const;
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static uint32_t hash(const char *p_cstr); /* hash the string */
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static uint32_t hash(const char *p_cstr, int p_len); /* hash the string */
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static uint32_t hash(const wchar_t *p_cstr); /* hash the string */
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static uint32_t hash(const wchar_t *p_cstr, int p_len); /* hash the string */
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static uint32_t hash(const CharType *p_cstr); /* hash the string */
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static uint32_t hash(const CharType *p_cstr, int p_len); /* hash the string */
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uint32_t hash() const; /* hash the string */
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uint64_t hash64() const; /* hash the string */
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_FORCE_INLINE_ bool empty() const { return length() == 0; }
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_FORCE_INLINE_ bool contains(const char *p_str) const { return find(p_str) != -1; }
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_FORCE_INLINE_ bool contains(const String &p_str) const { return find(p_str) != -1; }
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// path functions
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bool is_abs_path() const;
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bool is_rel_path() const;
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bool is_resource_file() const;
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String path_to(const String &p_path) const;
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String path_to_file(const String &p_path) const;
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String get_base_dir() const;
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String get_file() const;
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static String humanize_size(uint64_t p_size);
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String simplify_path() const;
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bool is_network_share_path() const;
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String append_path(const char *p_path) const;
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String append_path(const String &p_path) const;
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String path_clean_end_slash() const;
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|
String path_ensure_end_slash() const;
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|
String path_get_prev_dir() const;
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|
|
|
String xml_escape(bool p_escape_quotes = false) const;
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|
String xml_unescape() const;
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|
String http_escape() const;
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|
String http_unescape() const;
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|
String uri_encode() const;
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|
String uri_decode() const;
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|
String c_escape() const;
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|
String c_escape_multiline() const;
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|
String c_unescape() const;
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|
String json_escape() const;
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|
String word_wrap(int p_chars_per_line) const;
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|
Error parse_url(String &r_scheme, String &r_host, int &r_port, String &r_path) const;
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|
|
|
String percent_encode() const;
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|
String percent_decode() const;
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|
|
|
String property_name_encode() const;
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|
|
|
// node functions
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|
static String get_invalid_node_name_characters();
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|
String validate_node_name() const;
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|
String validate_identifier() const;
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|
|
|
bool is_valid_identifier() const;
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|
bool is_valid_integer() const;
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|
bool is_valid_float() const;
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|
bool is_valid_hex_number(bool p_with_prefix) const;
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|
bool is_valid_html_color() const;
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|
bool is_valid_ip_address() const;
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|
bool is_valid_filename() const;
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|
bool is_valid_bool() const;
|
|
bool is_valid_unsigned_integer() const;
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|
|
|
/**
|
|
* The constructors must not depend on other overloads
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|
*/
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|
|
|
/* String(CharType p_char);*/
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|
_FORCE_INLINE_ String() {}
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|
_FORCE_INLINE_ String(const String &p_str) { _cowdata._ref(p_str._cowdata); }
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|
|
|
void operator=(const String &p_str) {
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|
_cowdata._ref(p_str._cowdata);
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|
}
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|
|
|
Vector<uint8_t> to_ascii_buffer() const;
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|
Vector<uint8_t> to_utf8_buffer() const;
|
|
Vector<uint8_t> to_utf16_buffer() const;
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|
Vector<uint8_t> to_utf32_buffer() const;
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|
|
|
String(const char *p_str);
|
|
String(const wchar_t *p_str);
|
|
String(const CharType *p_str);
|
|
String(const char *p_str, int p_clip_to_len);
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|
String(const wchar_t *p_str, int p_clip_to_len);
|
|
String(const CharType *p_str, int p_clip_to_len);
|
|
String(const StrRange &p_range);
|
|
|
|
private:
|
|
CowData<CharType> _cowdata;
|
|
static const CharType _null;
|
|
|
|
void copy_from(const char *p_cstr);
|
|
void copy_from(const char *p_cstr, const int p_clip_to);
|
|
void copy_from(const wchar_t *p_cstr);
|
|
void copy_from(const wchar_t *p_cstr, const int p_clip_to);
|
|
void copy_from(const CharType *p_cstr);
|
|
void copy_from(const CharType *p_cstr, const int p_clip_to);
|
|
|
|
void copy_from(const CharType &p_char);
|
|
|
|
void copy_from_unchecked(const CharType *p_char, const int p_length);
|
|
|
|
bool _base_is_subsequence_of(const String &p_string, bool case_insensitive) const;
|
|
int _count(const String &p_string, int p_from, int p_to, bool p_case_insensitive) const;
|
|
};
|
|
|
|
bool operator==(const char *p_chr, const String &p_str);
|
|
bool operator==(const wchar_t *p_chr, const String &p_str);
|
|
bool operator!=(const char *p_chr, const String &p_str);
|
|
bool operator!=(const wchar_t *p_chr, const String &p_str);
|
|
|
|
String operator+(const char *p_chr, const String &p_str);
|
|
String operator+(const wchar_t *p_chr, const String &p_str);
|
|
String operator+(CharType p_chr, const String &p_str);
|
|
|
|
String itos(int64_t p_val);
|
|
String uitos(uint64_t p_val);
|
|
String rtos(double p_val);
|
|
String rtoss(double p_val); //scientific version
|
|
|
|
struct NoCaseComparator {
|
|
bool operator()(const String &p_a, const String &p_b) const {
|
|
return p_a.nocasecmp_to(p_b) < 0;
|
|
}
|
|
};
|
|
|
|
struct NaturalNoCaseComparator {
|
|
bool operator()(const String &p_a, const String &p_b) const {
|
|
return p_a.naturalnocasecmp_to(p_b) < 0;
|
|
}
|
|
};
|
|
|
|
template <typename L, typename R>
|
|
_FORCE_INLINE_ bool is_str_less(const L *l_ptr, const R *r_ptr) {
|
|
while (true) {
|
|
const CharType l = *l_ptr;
|
|
const CharType r = *r_ptr;
|
|
|
|
if (l == 0 && r == 0) {
|
|
return false;
|
|
} else if (l == 0) {
|
|
return true;
|
|
} else if (r == 0) {
|
|
return false;
|
|
} else if (l < r) {
|
|
return true;
|
|
} else if (l > r) {
|
|
return false;
|
|
}
|
|
|
|
l_ptr++;
|
|
r_ptr++;
|
|
}
|
|
}
|
|
|
|
/* end of namespace */
|
|
|
|
// Tool translate (TTR and variants) for the editor UI,
|
|
// and doc translate for the class reference (DTR).
|
|
#ifdef TOOLS_ENABLED
|
|
// Gets parsed.
|
|
String TTR(const String &p_text, const String &p_context = "");
|
|
String DTR(const String &);
|
|
// Use for C strings.
|
|
#define TTRC(m_value) (m_value)
|
|
// Use to avoid parsing (for use later with C strings).
|
|
#define TTRGET(m_value) TTR(m_value)
|
|
|
|
#else
|
|
#define TTR(m_value) (String())
|
|
#define DTR(m_value) (String())
|
|
#define TTRC(m_value) (m_value)
|
|
#define TTRGET(m_value) (m_value)
|
|
#endif
|
|
|
|
// Runtime translate for the public node API.
|
|
String RTR(const String &);
|
|
|
|
bool select_word(const String &p_s, int p_col, int &r_beg, int &r_end);
|
|
|
|
//--STRIP
|
|
#endif // USTRING_H
|
|
//--STRIP
|