mirror of https://github.com/PrimeDecomp/prime.git
169 lines
4.0 KiB
C++
169 lines
4.0 KiB
C++
#ifndef _RSTL_STRING
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#define _RSTL_STRING
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#include "types.h"
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#include "rstl/rmemory_allocator.hpp"
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class CInputStream;
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class COutputStream;
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namespace rstl {
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template < typename _CharTp >
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struct char_traits {};
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template < typename _CharTp, typename Traits = char_traits< _CharTp >,
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typename Alloc = rmemory_allocator >
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class basic_string {
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struct COWData {
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uint x0_capacity;
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uint x4_refCount;
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_CharTp* x8_data;
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};
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const _CharTp* x0_ptr;
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COWData* x4_cow;
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uint x8_size;
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uint _pad; // Alloc?
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void internal_prepare_to_write(int len, bool);
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void internal_allocate(int size);
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// {
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// x4_cow = reinterpret_cast<COWData*>(rs_new uchar[size * sizeof(_CharTp) +
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// 8]); x0_ptr = x4_cow->x8_data; x4_cow->x0_capacity = uint(size);
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// x4_cow->x4_refCount = 1;
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// }
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void internal_dereference();
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// {
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// if (x4_cow && --x4_cow->x4_refCount == 0)
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// delete[] x4_cow;
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// }
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static const _CharTp mNull;
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public:
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struct literal_t {};
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basic_string() : x0_ptr(&mNull), x4_cow(nullptr), x8_size(0) {}
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basic_string(literal_t, const _CharTp* data);
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// {
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// x0_ptr = data;
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// x4_cow = nullptr;
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// const _CharTp* it = data;
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// while (*it)
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// ++it;
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// x8_size = uint((it - data) / sizeof(_CharTp));
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// }
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basic_string(const basic_string& str);
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// {
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// x0_ptr = str.x0_ptr;
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// x4_cow = str.x4_cow;
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// x8_size = str.x8_size;
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// if (x4_cow)
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// ++x4_cow->x4_refCount;
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// }
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basic_string(CInputStream& in, const Alloc& = rmemory_allocator());
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basic_string(const _CharTp* data, int size = -1, const Alloc& = rmemory_allocator());
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// {
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// if (size <= 0 && !data)
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// {
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// x0_ptr = &mNull;
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// x4_cow = nullptr;
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// x8_size = 0;
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// return;
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// }
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// const _CharTp* it = data;
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// uint len = 0;
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// while (*it)
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// {
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// if (size != -1 && len >= size)
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// break;
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// ++it;
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// ++len;
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// }
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// internal_allocate(len + 1);
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// x8_size = len;
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// for (int i = 0; i < len; ++i)
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// x4_cow->x8_data[i] = data[i];
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// x4_cow->x8_data[len] = 0;
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// }
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~basic_string() { internal_dereference(); }
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size_t size() const { return x8_size; }
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void reserve(int len) { internal_prepare_to_write(len, true); }
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void assign(const basic_string&);
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basic_string& operator=(const basic_string& other) {
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assign(other);
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return *this;
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}
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basic_string operator+(const _CharTp*);
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void append(const basic_string& other);
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void append(int, _CharTp);
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void append(const _CharTp*, int);
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int _eq_helper(const basic_string& other) const;
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bool operator==(const basic_string& other) const;
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bool operator<(const basic_string& other) const;
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const _CharTp* data() const { return x0_ptr; }
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void PutTo(COutputStream& out) const;
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const _CharTp at(int idx) const { return data()[idx]; }
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};
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template < typename _CharTp, typename Traits, typename Alloc >
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bool basic_string< _CharTp, Traits, Alloc >::operator==(const basic_string& other) const {
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return _eq_helper(other) == 0;
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}
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template < typename _CharTp, typename Traits, typename Alloc >
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bool basic_string< _CharTp, Traits, Alloc >::operator<(const basic_string& other) const {
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return _eq_helper(other) < 0;
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}
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// template <>
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// const char basic_string<char>::mNull = 0;
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// template <>
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// const wchar_t basic_string<wchar_t>::mNull = 0;
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typedef basic_string< wchar_t > wstring;
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typedef basic_string< char > string;
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wstring wstring_l(const wchar_t* data);
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// {
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// return wstring(wstring::literal_t(), data);
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// }
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string string_l(const char* data);
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// {
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// return string(string::literal_t(), data);
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// }
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string operator+(const string& a, const string& b);
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// {
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// string result(a);
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// result.append(b);
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// return result;
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// }
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static inline string operator+(const string& a, char c) {
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string result(a);
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result.append(1, c);
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return result;
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}
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CHECK_SIZEOF(string, 0x10)
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} // namespace rstl
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#endif // _RSTL_STRING
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