David Snopek
parent
1009da4d7e
commit
011965d864
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@ -32,13 +32,13 @@
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#define GODOT_COWDATA_HPP
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#include <godot_cpp/classes/global_constants.hpp>
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#include <godot_cpp/core/class_db.hpp>
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#include <godot_cpp/core/error_macros.hpp>
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#include <godot_cpp/core/math.hpp>
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#include <godot_cpp/core/memory.hpp>
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#include <godot_cpp/templates/safe_refcount.hpp>
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#include <cstring>
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#include <new>
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namespace godot {
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@ -48,6 +48,9 @@ class Vector;
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template <class T, class V>
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class VMap;
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template <class T>
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class CharStringT;
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// Silence a false positive warning (see GH-52119).
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#if defined(__GNUC__) && !defined(__clang__)
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#pragma GCC diagnostic push
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@ -62,6 +65,9 @@ class CowData {
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template <class TV, class VV>
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friend class VMap;
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template <class TS>
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friend class CharStringT;
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private:
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mutable T *_ptr = nullptr;
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@ -31,82 +31,99 @@
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#ifndef GODOT_CHAR_STRING_HPP
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#define GODOT_CHAR_STRING_HPP
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#include <godot_cpp/templates/cowdata.hpp>
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#include <cstddef>
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#include <cstdint>
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namespace godot {
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class CharString {
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friend class String;
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template <class T>
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class CharStringT;
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const char *_data = nullptr;
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int _length = 0;
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template <class T>
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class CharProxy {
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template <class TS>
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friend class CharStringT;
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CharString(const char *str, int length);
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const int _index;
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CowData<T> &_cowdata;
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static inline 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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int length() const;
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const char *get_data() const;
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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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CharString(CharString &&p_str);
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void operator=(CharString &&p_str);
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CharString() {}
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~CharString();
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_FORCE_INLINE_ operator T() const {
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if (unlikely(_index == _cowdata.size())) {
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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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class Char16String {
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template <class T>
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class CharStringT {
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friend class String;
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const char16_t *_data = nullptr;
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int _length = 0;
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Char16String(const char16_t *str, int length);
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CowData<T> _cowdata;
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static inline const T _null = 0;
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public:
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int length() const;
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const char16_t *get_data() const;
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_FORCE_INLINE_ T *ptrw() { return _cowdata.ptrw(); }
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_FORCE_INLINE_ const 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) { return _cowdata.resize(p_size); }
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Char16String(Char16String &&p_str);
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void operator=(Char16String &&p_str);
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Char16String() {}
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~Char16String();
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_FORCE_INLINE_ T get(int p_index) const { return _cowdata.get(p_index); }
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_FORCE_INLINE_ void set(int p_index, const T &p_elem) { _cowdata.set(p_index, p_elem); }
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_FORCE_INLINE_ const T &operator[](int p_index) const {
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if (unlikely(p_index == _cowdata.size())) {
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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<T> operator[](int p_index) { return CharProxy<T>(p_index, _cowdata); }
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_FORCE_INLINE_ CharStringT() {}
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_FORCE_INLINE_ CharStringT(const CharStringT<T> &p_str) { _cowdata._ref(p_str._cowdata); }
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_FORCE_INLINE_ void operator=(const CharStringT<T> &p_str) { _cowdata._ref(p_str._cowdata); }
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_FORCE_INLINE_ CharStringT(const T *p_cstr) { copy_from(p_cstr); }
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void operator=(const T *p_cstr);
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bool operator<(const CharStringT<T> &p_right) const;
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CharStringT<T> &operator+=(T p_char);
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int length() const { return size() ? size() - 1 : 0; }
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const T *get_data() const;
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operator const T *() const { return get_data(); };
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protected:
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void copy_from(const T *p_cstr);
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};
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class Char32String {
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friend class String;
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const char32_t *_data = nullptr;
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int _length = 0;
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Char32String(const char32_t *str, int length);
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public:
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int length() const;
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const char32_t *get_data() const;
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Char32String(Char32String &&p_str);
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void operator=(Char32String &&p_str);
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Char32String() {}
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~Char32String();
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};
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class CharWideString {
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friend class String;
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const wchar_t *_data = nullptr;
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int _length = 0;
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CharWideString(const wchar_t *str, int length);
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public:
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int length() const;
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const wchar_t *get_data() const;
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CharWideString(CharWideString &&p_str);
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void operator=(CharWideString &&p_str);
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CharWideString() {}
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~CharWideString();
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};
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typedef CharStringT<char> CharString;
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typedef CharStringT<char16_t> Char16String;
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typedef CharStringT<char32_t> Char32String;
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typedef CharStringT<wchar_t> CharWideString;
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} // namespace godot
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@ -38,117 +38,121 @@
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#include <godot_cpp/godot.hpp>
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#include <cmath>
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#include <string>
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namespace godot {
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int CharString::length() const {
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return _length;
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}
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template <typename L, typename R>
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_FORCE_INLINE_ bool is_str_less(const L *l_ptr, const R *r_ptr) {
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while (true) {
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const char32_t l = *l_ptr;
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const char32_t r = *r_ptr;
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const char *CharString::get_data() const {
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return _data;
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}
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if (l == 0 && r == 0) {
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return false;
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} else if (l == 0) {
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return true;
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} else if (r == 0) {
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return false;
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} else if (l < r) {
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return true;
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} else if (l > r) {
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return false;
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}
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CharString::CharString(CharString &&p_str) {
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SWAP(_length, p_str._length);
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SWAP(_data, p_str._data);
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}
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void CharString::operator=(CharString &&p_str) {
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SWAP(_length, p_str._length);
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SWAP(_data, p_str._data);
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}
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CharString::CharString(const char *str, int length) :
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_data(str), _length(length) {}
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CharString::~CharString() {
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if (_data != nullptr) {
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memdelete_arr(_data);
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l_ptr++;
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r_ptr++;
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}
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}
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int Char16String::length() const {
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return _length;
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template <class T>
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bool CharStringT<T>::operator<(const CharStringT<T> &p_right) const {
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if (length() == 0) {
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return p_right.length() != 0;
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}
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return is_str_less(get_data(), p_right.get_data());
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}
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const char16_t *Char16String::get_data() const {
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return _data;
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template <class T>
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CharStringT<T> &CharStringT<T>::operator+=(T p_char) {
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const int lhs_len = length();
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resize(lhs_len + 2);
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T *dst = ptrw();
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dst[lhs_len] = p_char;
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dst[lhs_len + 1] = 0;
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return *this;
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}
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Char16String::Char16String(Char16String &&p_str) {
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SWAP(_length, p_str._length);
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SWAP(_data, p_str._data);
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template <class T>
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void CharStringT<T>::operator=(const T *p_cstr) {
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copy_from(p_cstr);
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}
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void Char16String::operator=(Char16String &&p_str) {
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SWAP(_length, p_str._length);
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SWAP(_data, p_str._data);
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}
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Char16String::Char16String(const char16_t *str, int length) :
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_data(str), _length(length) {}
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Char16String::~Char16String() {
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if (_data != nullptr) {
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memdelete_arr(_data);
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template <>
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const char *CharStringT<char>::get_data() const {
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if (size()) {
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return &operator[](0);
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} else {
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return "";
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}
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}
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int Char32String::length() const {
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return _length;
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}
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const char32_t *Char32String::get_data() const {
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return _data;
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}
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Char32String::Char32String(Char32String &&p_str) {
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SWAP(_length, p_str._length);
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SWAP(_data, p_str._data);
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}
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void Char32String::operator=(Char32String &&p_str) {
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SWAP(_length, p_str._length);
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SWAP(_data, p_str._data);
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}
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Char32String::Char32String(const char32_t *str, int length) :
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_data(str), _length(length) {}
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Char32String::~Char32String() {
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if (_data != nullptr) {
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memdelete_arr(_data);
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template <>
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const char16_t *CharStringT<char16_t>::get_data() const {
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if (size()) {
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return &operator[](0);
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} else {
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return u"";
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}
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}
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int CharWideString::length() const {
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return _length;
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}
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const wchar_t *CharWideString::get_data() const {
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return _data;
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}
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CharWideString::CharWideString(CharWideString &&p_str) {
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SWAP(_length, p_str._length);
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SWAP(_data, p_str._data);
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}
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void CharWideString::operator=(CharWideString &&p_str) {
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SWAP(_length, p_str._length);
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SWAP(_data, p_str._data);
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}
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CharWideString::CharWideString(const wchar_t *str, int length) :
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_data(str), _length(length) {}
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CharWideString::~CharWideString() {
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if (_data != nullptr) {
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memdelete_arr(_data);
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template <>
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const char32_t *CharStringT<char32_t>::get_data() const {
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if (size()) {
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return &operator[](0);
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} else {
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return U"";
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}
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}
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template <>
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const wchar_t *CharStringT<wchar_t>::get_data() const {
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if (size()) {
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return &operator[](0);
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} else {
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return L"";
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}
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}
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template <class T>
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void CharStringT<T>::copy_from(const T *p_cstr) {
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if (!p_cstr) {
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resize(0);
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return;
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}
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size_t len = std::char_traits<T>::length(p_cstr);
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if (len == 0) {
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resize(0);
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return;
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}
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Error err = resize(++len); // include terminating null char
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ERR_FAIL_COND_MSG(err != OK, "Failed to copy C-string.");
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memcpy(ptrw(), p_cstr, len);
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}
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template class CharStringT<char>;
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template class CharStringT<char16_t>;
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template class CharStringT<char32_t>;
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template class CharStringT<wchar_t>;
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// Custom String functions that are not part of bound API.
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// It's easier to have them written in C++ directly than in a Python script that generates them.
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@ -228,56 +232,61 @@ String rtoss(double p_val) {
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CharString String::utf8() const {
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int length = internal::gdextension_interface_string_to_utf8_chars(_native_ptr(), nullptr, 0);
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int size = length + 1;
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char *cstr = memnew_arr(char, size);
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internal::gdextension_interface_string_to_utf8_chars(_native_ptr(), cstr, length);
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CharString str;
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str.resize(size);
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internal::gdextension_interface_string_to_utf8_chars(_native_ptr(), str.ptrw(), length);
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cstr[length] = '\0';
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str[length] = '\0';
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return CharString(cstr, length);
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return str;
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}
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CharString String::ascii() const {
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int length = internal::gdextension_interface_string_to_latin1_chars(_native_ptr(), nullptr, 0);
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int size = length + 1;
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char *cstr = memnew_arr(char, size);
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internal::gdextension_interface_string_to_latin1_chars(_native_ptr(), cstr, length);
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CharString str;
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str.resize(size);
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internal::gdextension_interface_string_to_latin1_chars(_native_ptr(), str.ptrw(), length);
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cstr[length] = '\0';
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str[length] = '\0';
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return CharString(cstr, length);
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return str;
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}
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Char16String String::utf16() const {
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int length = internal::gdextension_interface_string_to_utf16_chars(_native_ptr(), nullptr, 0);
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int size = length + 1;
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char16_t *cstr = memnew_arr(char16_t, size);
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internal::gdextension_interface_string_to_utf16_chars(_native_ptr(), cstr, length);
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Char16String str;
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str.resize(size);
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internal::gdextension_interface_string_to_utf16_chars(_native_ptr(), str.ptrw(), length);
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cstr[length] = '\0';
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str[length] = '\0';
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return Char16String(cstr, length);
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return str;
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}
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Char32String String::utf32() const {
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int length = internal::gdextension_interface_string_to_utf32_chars(_native_ptr(), nullptr, 0);
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int size = length + 1;
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char32_t *cstr = memnew_arr(char32_t, size);
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internal::gdextension_interface_string_to_utf32_chars(_native_ptr(), cstr, length);
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Char32String str;
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str.resize(size);
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internal::gdextension_interface_string_to_utf32_chars(_native_ptr(), str.ptrw(), length);
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cstr[length] = '\0';
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str[length] = '\0';
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return Char32String(cstr, length);
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return str;
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}
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CharWideString String::wide_string() const {
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int length = internal::gdextension_interface_string_to_wide_chars(_native_ptr(), nullptr, 0);
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int size = length + 1;
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wchar_t *cstr = memnew_arr(wchar_t, size);
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internal::gdextension_interface_string_to_wide_chars(_native_ptr(), cstr, length);
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CharWideString str;
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str.resize(size);
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internal::gdextension_interface_string_to_wide_chars(_native_ptr(), str.ptrw(), length);
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cstr[length] = '\0';
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str[length] = '\0';
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return CharWideString(cstr, length);
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return str;
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}
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String &String::operator=(const char *p_str) {
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@ -82,6 +82,10 @@ func _ready():
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# UtilityFunctions::str()
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assert_equal(example.test_str_utility(), "Hello, World! The answer is 42")
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# Test converting string to char* and doing comparison.
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assert_equal(example.test_string_is_fourty_two("blah"), false)
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assert_equal(example.test_string_is_fourty_two("fourty two"), true)
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# PackedArray iterators
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assert_equal(example.test_vector_ops(), 105)
|
||||
|
||||
|
|
|
|||
|
|
@ -138,6 +138,7 @@ void Example::_bind_methods() {
|
|||
ClassDB::bind_method(D_METHOD("test_node_argument"), &Example::test_node_argument);
|
||||
ClassDB::bind_method(D_METHOD("test_string_ops"), &Example::test_string_ops);
|
||||
ClassDB::bind_method(D_METHOD("test_str_utility"), &Example::test_str_utility);
|
||||
ClassDB::bind_method(D_METHOD("test_string_is_fourty_two"), &Example::test_string_is_fourty_two);
|
||||
ClassDB::bind_method(D_METHOD("test_vector_ops"), &Example::test_vector_ops);
|
||||
|
||||
ClassDB::bind_method(D_METHOD("test_bitfield", "flags"), &Example::test_bitfield);
|
||||
|
|
@ -299,6 +300,10 @@ String Example::test_str_utility() const {
|
|||
return UtilityFunctions::str("Hello, ", "World", "! The answer is ", 42);
|
||||
}
|
||||
|
||||
bool Example::test_string_is_fourty_two(const String &p_string) const {
|
||||
return strcmp(p_string.utf8().ptr(), "fourty two") == 0;
|
||||
}
|
||||
|
||||
int Example::test_vector_ops() const {
|
||||
PackedInt32Array arr;
|
||||
arr.push_back(10);
|
||||
|
|
|
|||
|
|
@ -117,6 +117,7 @@ public:
|
|||
Example *test_node_argument(Example *p_node) const;
|
||||
String test_string_ops() const;
|
||||
String test_str_utility() const;
|
||||
bool test_string_is_fourty_two(const String &p_str) const;
|
||||
int test_vector_ops() const;
|
||||
|
||||
BitField<Flags> test_bitfield(BitField<Flags> flags);
|
||||
|
|
|
|||
Loading…
Reference in New Issue