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Update TinySTL. (#340)

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This commit is contained in:
Martijn Courteaux
2025-01-25 23:09:15 +01:00
committed by GitHub
parent 8ebafda960
commit 2a03cec5d6
13 changed files with 627 additions and 206 deletions
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2
include/tinystl/LICENSE
View File

@@ -1,4 +1,4 @@
Copyright 2012 Matthew Endsley
Copyright 2012-2018 Matthew Endsley
All rights reserved
Redistribution and use in source and binary forms, with or without

9
include/tinystl/allocator.h
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@@ -1,5 +1,5 @@
/*-
* Copyright 2012 Matthew Endsley
* Copyright 2012-2018 Matthew Endsley
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
@@ -27,9 +27,7 @@
#ifndef TINYSTL_ALLOCATOR_H
#define TINYSTL_ALLOCATOR_H
#include "stddef.h"
#ifndef TINYSTL_ALLOCATOR
#include <tinystl/stddef.h>
namespace tinystl {
@@ -44,7 +42,8 @@ namespace tinystl {
};
}
#ifndef TINYSTL_ALLOCATOR
# define TINYSTL_ALLOCATOR ::tinystl::allocator
#endif // TINYSTL_ALLOCATOR
#endif
#endif

79
include/tinystl/buffer.h
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@@ -1,5 +1,5 @@
/*-
* Copyright 2012-1015 Matthew Endsley
* Copyright 2012-2018 Matthew Endsley
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
@@ -27,8 +27,9 @@
#ifndef TINYSTL_BUFFER_H
#define TINYSTL_BUFFER_H
#include "new.h"
#include "traits.h"
#include <tinystl/allocator.h>
#include <tinystl/new.h>
#include <tinystl/traits.h>
namespace tinystl {
@@ -140,7 +141,7 @@ namespace tinystl {
template<typename T, typename Alloc>
static inline void buffer_reserve(buffer<T, Alloc>* b, size_t capacity) {
if (b->first + capacity <= b->capacity)
if (b->first && b->first + capacity <= b->capacity)
return;
typedef T* pointer;
@@ -174,19 +175,21 @@ namespace tinystl {
template<typename T, typename Alloc>
static inline void buffer_shrink_to_fit(buffer<T, Alloc>* b) {
if (b->last == b->first) {
const size_t capacity = (size_t)(b->last - b->first);
Alloc::static_deallocate(b->first, sizeof(T)*capacity);
b->capacity = b->first;
} else if (b->capacity != b->last) {
const size_t capacity = (size_t)(b->capacity - b->first);
const size_t size = (size_t)(b->last - b->first);
T* newfirst = (T*)Alloc::static_allocate(sizeof(T) * size);
buffer_move_urange(newfirst, b->first, b->last);
Alloc::static_deallocate(b->first, sizeof(T) * capacity);
b->first = newfirst;
b->last = newfirst + size;
b->capacity = b->last;
if (b->capacity != b->last) {
if (b->last == b->first) {
const size_t capacity = (size_t)(b->capacity - b->first);
Alloc::static_deallocate(b->first, sizeof(T)*capacity);
b->capacity = b->first = b->last = nullptr;
} else {
const size_t capacity = (size_t)(b->capacity - b->first);
const size_t size = (size_t)(b->last - b->first);
T* newfirst = (T*)Alloc::static_allocate(sizeof(T) * size);
buffer_move_urange(newfirst, b->first, b->last);
Alloc::static_deallocate(b->first, sizeof(T) * capacity);
b->first = newfirst;
b->last = newfirst + size;
b->capacity = b->last;
}
}
}
@@ -200,7 +203,7 @@ namespace tinystl {
static inline T* buffer_insert_common(buffer<T, Alloc>* b, T* where, size_t count) {
const size_t offset = (size_t)(where - b->first);
const size_t newsize = (size_t)((b->last - b->first) + count);
if (b->first + newsize > b->capacity)
if (!b->first || b->first + newsize > b->capacity)
buffer_reserve(b, (newsize * 3) / 2);
where = b->first + offset;
@@ -215,7 +218,21 @@ namespace tinystl {
template<typename T, typename Alloc, typename Param>
static inline void buffer_insert(buffer<T, Alloc>* b, T* where, const Param* first, const Param* last) {
where = buffer_insert_common(b, where, last - first);
typedef const char* pointer;
const size_t count = last - first;
const bool frombuf = ((pointer)b->first <= (pointer)first && (pointer)b->last >= (pointer)last);
size_t offset;
if (frombuf) {
offset = (pointer)first - (pointer)b->first;
if ((pointer)where <= (pointer)first)
offset += count * sizeof(T);
where = buffer_insert_common(b, where, count);
first = (Param*)((pointer)b->first + offset);
last = first + count;
}
else {
where = buffer_insert_common(b, where, count);
}
for (; first != last; ++first, ++where)
new(placeholder(), where) T(*first);
}
@@ -223,7 +240,7 @@ namespace tinystl {
template<typename T, typename Alloc>
static inline void buffer_insert(buffer<T, Alloc>* b, T* where, size_t count) {
where = buffer_insert_common(b, where, count);
for (size_t i = 0; i < count; ++i)
for (T* end = where+count; where != end; ++where)
new(placeholder(), where) T();
}
@@ -250,28 +267,28 @@ namespace tinystl {
template<typename T, typename Alloc>
static inline T* buffer_erase(buffer<T, Alloc>* b, T* first, T* last) {
typedef T* pointer;
const size_t range = (last - first);
const size_t count = (last - first);
for (pointer it = last, end = b->last, dest = first; it != end; ++it, ++dest)
move(*dest, *it);
buffer_destroy_range(b->last - range, b->last);
buffer_destroy_range(b->last - count, b->last);
b->last -= range;
b->last -= count;
return first;
}
template<typename T, typename Alloc>
static inline T* buffer_erase_unordered(buffer<T, Alloc>* b, T* first, T* last) {
typedef T* pointer;
const size_t range = (last - first);
const size_t count = (last - first);
const size_t tail = (b->last - last);
pointer it = b->last - ((range < tail) ? range : tail);
pointer it = b->last - ((count < tail) ? count : tail);
for (pointer end = b->last, dest = first; it != end; ++it, ++dest)
move(*dest, *it);
buffer_destroy_range(b->last - range, b->last);
buffer_destroy_range(b->last - count, b->last);
b->last -= range;
b->last -= count;
return first;
}
@@ -282,6 +299,12 @@ namespace tinystl {
b->first = other->first, b->last = other->last, b->capacity = other->capacity;
other->first = tfirst, other->last = tlast, other->capacity = tcapacity;
}
template<typename T, typename Alloc>
static inline void buffer_move(buffer<T, Alloc>* dst, buffer<T, Alloc>* src) {
dst->first = src->first, dst->last = src->last, dst->capacity = src->capacity;
src->first = src->last = src->capacity = nullptr;
}
}
#endif
#endif //TINYSTL_BUFFER_H

4
include/tinystl/hash.h
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@@ -1,5 +1,5 @@
/*-
* Copyright 2012 Matthew Endsley
* Copyright 2012-2018 Matthew Endsley
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
@@ -27,7 +27,7 @@
#ifndef TINYSTL_STRINGHASH_H
#define TINYSTL_STRINGHASH_H
#include "stddef.h"
#include <tinystl/stddef.h>
namespace tinystl {

93
include/tinystl/hash_base.h
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@@ -1,5 +1,5 @@
/*-
* Copyright 2012 Matthew Endsley
* Copyright 2012-2018 Matthew Endsley
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
@@ -27,42 +27,98 @@
#ifndef TINYSTL_HASH_BASE_H
#define TINYSTL_HASH_BASE_H
#include "stddef.h"
#include <tinystl/stddef.h>
#include <tinystl/traits.h>
namespace tinystl {
template<typename Key, typename Value>
struct pair {
typedef Key first_type;
typedef Value second_type;
pair();
pair(const pair& other);
pair(pair&& other);
pair(const Key& key, const Value& value);
pair(Key&& key, Value&& value);
pair& operator=(const pair& other);
pair& operator=(pair&& other);
Key first;
Value second;
using first_type = Key;
using second_type = Value;
};
template<typename Key, typename Value>
pair<Key, Value>::pair() {
inline pair<Key, Value>::pair() {
}
template<typename Key, typename Value>
pair<Key, Value>::pair(const Key& key, const Value& value)
inline pair<Key, Value>::pair(const pair& other)
: first(other.first)
, second(other.second)
{
}
template<typename Key, typename Value>
inline pair<Key, Value>::pair(pair&& other)
: first(static_cast<Key&&>(other.first))
, second(static_cast<Value&&>(other.second))
{
}
template<typename Key, typename Value>
inline pair<Key, Value>::pair(const Key& key, const Value& value)
: first(key)
, second(value)
{
}
template<typename Key, typename Value>
inline pair<Key, Value>::pair(Key&& key, Value&& value)
: first(static_cast<Key&&>(key))
, second(static_cast<Value&&>(value))
{
}
template<typename Key, typename Value>
inline pair<Key, Value>& pair<Key, Value>::operator=(const pair& other) {
first = other.first;
second = other.second;
return *this;
}
template<typename Key, typename Value>
inline pair<Key, Value>& pair<Key, Value>::operator=(pair&& other) {
first = static_cast<Key&&>(other.first);
second = static_cast<Value&&>(other.second);
return *this;
}
// Replaced the following function by the old-school const& variant, until
// https://github.com/mendsley/tinystl/issues/25 is fixed.
#if 0
template<typename Key, typename Value>
static inline pair<typename remove_reference<Key>::type, typename remove_reference<Value>::type>
make_pair(Key&& key, Value&& value) {
return pair<typename remove_reference<Key>::type, typename remove_reference<Value>::type>(
static_cast<Key&&>(key)
, static_cast<Value&&>(value)
);
}
#else
template<typename Key, typename Value>
static inline pair<Key, Value> make_pair(const Key& key, const Value& value) {
return pair<Key, Value>(key, value);
}
#endif
template<typename Key, typename Value>
struct unordered_hash_node {
unordered_hash_node(const Key& key, const Value& value);
unordered_hash_node(Key&& key, Value&& value);
const Key first;
Value second;
@@ -74,15 +130,23 @@ namespace tinystl {
};
template<typename Key, typename Value>
unordered_hash_node<Key, Value>::unordered_hash_node(const Key& key, const Value& value)
inline unordered_hash_node<Key, Value>::unordered_hash_node(const Key& key, const Value& value)
: first(key)
, second(value)
{
}
template<typename Key, typename Value>
inline unordered_hash_node<Key, Value>::unordered_hash_node(Key&& key, Value&& value)
: first(static_cast<Key&&>(key))
, second(static_cast<Value&&>(value))
{
}
template <typename Key>
struct unordered_hash_node<Key, void> {
unordered_hash_node(const Key& key);
explicit unordered_hash_node(const Key& key);
explicit unordered_hash_node(Key&& key);
const Key first;
unordered_hash_node* next;
@@ -93,13 +157,19 @@ namespace tinystl {
};
template<typename Key>
unordered_hash_node<Key, void>::unordered_hash_node(const Key& key)
inline unordered_hash_node<Key, void>::unordered_hash_node(const Key& key)
: first(key)
{
}
template<typename Key>
inline unordered_hash_node<Key, void>::unordered_hash_node(Key&& key)
: first(static_cast<Key&&>(key))
{
}
template<typename Key, typename Value>
static void unordered_hash_node_insert(unordered_hash_node<Key, Value>* node, size_t hash, unordered_hash_node<Key, Value>** buckets, size_t nbuckets) {
static inline void unordered_hash_node_insert(unordered_hash_node<Key, Value>* node, size_t hash, unordered_hash_node<Key, Value>** buckets, size_t nbuckets) {
size_t bucket = hash & (nbuckets - 1);
unordered_hash_node<Key, Value>* it = buckets[bucket + 1];
@@ -223,6 +293,7 @@ namespace tinystl {
template<typename Node, typename Key>
static inline Node unordered_hash_find(const Key& key, Node* buckets, size_t nbuckets) {
if (!buckets) return 0;
const size_t bucket = hash(key) & (nbuckets - 2);
for (Node it = buckets[bucket], end = buckets[bucket+1]; it != end; it = it->next)
if (it->first == key)

4
include/tinystl/new.h
View File

@@ -1,5 +1,5 @@
/*-
* Copyright 2012 Matthew Endsley
* Copyright 2012-2018 Matthew Endsley
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
@@ -27,7 +27,7 @@
#ifndef TINYSTL_NEW_H
#define TINYSTL_NEW_H
#include "stddef.h"
#include <tinystl/stddef.h>
namespace tinystl {

7
include/tinystl/stddef.h
View File

@@ -1,5 +1,5 @@
/*-
* Copyright 2012 Matthew Endsley
* Copyright 2012-2018 Matthew Endsley
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
@@ -29,10 +29,13 @@
#if defined(_WIN64)
typedef long long unsigned int size_t;
typedef long long int ptrdiff_t;
#elif defined(_WIN32)
typedef unsigned int size_t;
#elif defined (__linux__) && defined(__SIZE_TYPE__)
typedef int ptrdiff_t;
#elif defined (__linux__) && defined(__SIZE_TYPE__) && defined(__PTRDIFF_TYPE__)
typedef __SIZE_TYPE__ size_t;
typedef __PTRDIFF_TYPE__ ptrdiff_t;
#else
# include <stddef.h>
#endif

195
include/tinystl/string.h
View File

@@ -1,5 +1,5 @@
/*-
* Copyright 2012 Matthew Endsley
* Copyright 2012-2018 Matthew Endsley
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
@@ -27,34 +27,37 @@
#ifndef TINYSTL_STRING_H
#define TINYSTL_STRING_H
#include <string.h> // strlen
#include "stddef.h"
#include "hash.h"
#include <tinystl/allocator.h>
#include <tinystl/stddef.h>
#include <tinystl/hash.h>
namespace tinystl {
template<typename Alloc>
class stringT {
template<typename Allocator>
class basic_string {
public:
stringT();
stringT(const stringT<Alloc>& other);
stringT(const char* sz);
stringT(const char* sz, size_t len);
~stringT();
basic_string();
basic_string(const basic_string& other);
basic_string(basic_string&& other);
basic_string(const char* sz);
basic_string(const char* sz, size_t len);
~basic_string();
stringT<Alloc>& operator=(const stringT<Alloc>& other);
basic_string& operator=(const basic_string& other);
basic_string& operator=(basic_string&& other);
const char* c_str() const;
size_t size() const;
bool empty() const;
void reserve(size_t _size);
void resize(size_t _size);
void reserve(size_t size);
void resize(size_t size);
void clear();
void append(const char* first, const char* last);
void append(const char* str);
void assign(const char* s, size_t n);
void swap(stringT<Alloc>& other);
void shrink_to_fit();
void swap(basic_string& other);
private:
typedef char* pointer;
@@ -66,10 +69,8 @@ namespace tinystl {
char m_buffer[12];
};
typedef stringT<TINYSTL_ALLOCATOR> string;
template<typename Alloc>
inline stringT<Alloc>::stringT()
template<typename allocator>
inline basic_string<allocator>::basic_string()
: m_first(m_buffer)
, m_last(m_buffer)
, m_capacity(m_buffer + c_nbuffer)
@@ -77,8 +78,8 @@ namespace tinystl {
resize(0);
}
template<typename Alloc>
inline stringT<Alloc>::stringT(const stringT<Alloc>& other)
template<typename allocator>
inline basic_string<allocator>::basic_string(const basic_string& other)
: m_first(m_buffer)
, m_last(m_buffer)
, m_capacity(m_buffer + c_nbuffer)
@@ -87,8 +88,27 @@ namespace tinystl {
append(other.m_first, other.m_last);
}
template<typename Alloc>
inline stringT<Alloc>::stringT(const char* sz)
template<typename allocator>
inline basic_string<allocator>::basic_string(basic_string&& other)
{
if (other.m_first == other.m_buffer) {
m_first = m_buffer;
m_last = m_buffer;
m_capacity = m_buffer + c_nbuffer;
reserve(other.size());
append(other.m_first, other.m_last);
} else {
m_first = other.m_first;
m_last = other.m_last;
m_capacity = other.m_capacity;
}
other.m_first = other.m_last = other.m_buffer;
other.m_capacity = other.m_buffer + c_nbuffer;
other.resize(0);
}
template<typename allocator>
inline basic_string<allocator>::basic_string(const char* sz)
: m_first(m_buffer)
, m_last(m_buffer)
, m_capacity(m_buffer + c_nbuffer)
@@ -101,8 +121,8 @@ namespace tinystl {
append(sz, sz + len);
}
template<typename Alloc>
inline stringT<Alloc>::stringT(const char* sz, size_t len)
template<typename allocator>
inline basic_string<allocator>::basic_string(const char* sz, size_t len)
: m_first(m_buffer)
, m_last(m_buffer)
, m_capacity(m_buffer + c_nbuffer)
@@ -111,68 +131,73 @@ namespace tinystl {
append(sz, sz + len);
}
template<typename Alloc>
inline stringT<Alloc>::~stringT() {
template<typename allocator>
inline basic_string<allocator>::~basic_string() {
if (m_first != m_buffer)
Alloc::static_deallocate(m_first, m_capacity - m_first);
allocator::static_deallocate(m_first, m_capacity - m_first);
}
template<typename Alloc>
inline stringT<Alloc>& stringT<Alloc>::operator=(const stringT<Alloc>& other) {
stringT<Alloc>(other).swap(*this);
template<typename allocator>
inline basic_string<allocator>& basic_string<allocator>::operator=(const basic_string& other) {
basic_string(other).swap(*this);
return *this;
}
template<typename Alloc>
inline const char* stringT<Alloc>::c_str() const {
template<typename allocator>
inline basic_string<allocator>& basic_string<allocator>::operator=(basic_string&& other) {
basic_string(static_cast<basic_string&&>(other)).swap(*this);
return *this;
}
template<typename allocator>
inline const char* basic_string<allocator>::c_str() const {
return m_first;
}
template<typename Alloc>
inline size_t stringT<Alloc>::size() const
template<typename allocator>
inline size_t basic_string<allocator>::size() const
{
return (size_t)(m_last - m_first);
}
template<typename Alloc>
inline bool stringT<Alloc>::empty() const
{
return 0 == size();
}
template<typename Alloc>
inline void stringT<Alloc>::reserve(size_t capacity) {
if (m_first + capacity + 1 <= m_capacity) {
template<typename allocator>
inline void basic_string<allocator>::reserve(size_t capacity) {
if (m_first + capacity + 1 <= m_capacity)
return;
}
const size_t _size = (size_t)(m_last - m_first);
const size_t size = (size_t)(m_last - m_first);
pointer newfirst = (pointer)Alloc::static_allocate(capacity + 1);
for (pointer it = m_first, newit = newfirst, end = m_last; it != end; ++it, ++newit) {
pointer newfirst = (pointer)allocator::static_allocate(capacity + 1);
for (pointer it = m_first, newit = newfirst, end = m_last; it != end; ++it, ++newit)
*newit = *it;
}
if (m_first != m_buffer) {
Alloc::static_deallocate(m_first, m_capacity - m_first);
}
if (m_first != m_buffer)
allocator::static_deallocate(m_first, m_capacity - m_first);
m_first = newfirst;
m_last = newfirst + _size;
m_last = newfirst + size;
m_capacity = m_first + capacity;
}
template<typename Alloc>
inline void stringT<Alloc>::resize(size_t _size) {
reserve(_size);
for (pointer it = m_last, end = m_first + _size + 1; it < end; ++it)
*it = 0;
template<typename allocator>
inline void basic_string<allocator>::resize(size_t size) {
const size_t prevSize = m_last-m_first;
reserve(size);
if (size > prevSize)
for (pointer it = m_last, end = m_first + size + 1; it < end; ++it)
*it = 0;
else if (m_last != m_first)
m_first[size] = 0;
m_last += _size;
m_last = m_first + size;
}
template<typename Alloc>
inline void stringT<Alloc>::append(const char* first, const char* last) {
template<typename allocator>
inline void basic_string<allocator>::clear() {
resize(0);
}
template<typename allocator>
inline void basic_string<allocator>::append(const char* first, const char* last) {
const size_t newsize = (size_t)((m_last - m_first) + (last - first) + 1);
if (m_first + newsize > m_capacity)
reserve((newsize * 3) / 2);
@@ -182,13 +207,35 @@ namespace tinystl {
*m_last = 0;
}
template<typename Alloc>
inline void stringT<Alloc>::append(const char* str) {
append(str, str + strlen(str) );
template<typename allocator>
inline void basic_string<allocator>::assign(const char* sz, size_t n) {
clear();
append(sz, sz+n);
}
template<typename Alloc>
inline void stringT<Alloc>::swap(stringT<Alloc>& other) {
template<typename allocator>
inline void basic_string<allocator>::shrink_to_fit() {
if (m_first == m_buffer) {
} else if (m_last == m_first) {
const size_t capacity = (size_t)(m_capacity - m_first);
if (capacity)
allocator::static_deallocate(m_first, capacity+1);
m_capacity = m_first;
} else if (m_capacity != m_last) {
const size_t size = (size_t)(m_last - m_first);
char* newfirst = (pointer)allocator::static_allocate(size+1);
for (pointer in = m_first, out = newfirst; in != m_last + 1; ++in, ++out)
*out = *in;
if (m_first != m_capacity)
allocator::static_deallocate(m_first, m_capacity+1-m_first);
m_first = newfirst;
m_last = newfirst+size;
m_capacity = m_last;
}
}
template<typename allocator>
inline void basic_string<allocator>::swap(basic_string& other) {
const pointer tfirst = m_first, tlast = m_last, tcapacity = m_capacity;
m_first = other.m_first, m_last = other.m_last, m_capacity = other.m_capacity;
other.m_first = tfirst, other.m_last = tlast, other.m_capacity = tcapacity;
@@ -220,8 +267,8 @@ namespace tinystl {
}
}
template<typename Alloc>
inline bool operator==(const stringT<Alloc>& lhs, const stringT<Alloc>& rhs) {
template<typename allocatorl, typename allocatorr>
inline bool operator==(const basic_string<allocatorl>& lhs, const basic_string<allocatorr>& rhs) {
typedef const char* pointer;
const size_t lsize = lhs.size(), rsize = rhs.size();
@@ -237,10 +284,12 @@ namespace tinystl {
return true;
}
template<typename Alloc>
static inline size_t hash(const stringT<Alloc>& value) {
template<typename allocator>
static inline size_t hash(const basic_string<allocator>& value) {
return hash_string(value.c_str(), value.size());
}
typedef basic_string<TINYSTL_ALLOCATOR> string;
}
#endif

147
include/tinystl/string_view.h Normal file
View File

@@ -0,0 +1,147 @@
/*-
* Copyright 2012-1017 Matthew Endsley
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted providing that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TINYSTL_STRING_VIEW_H
#define TINYSTL_STRING_VIEW_H
#include <tinystl/stddef.h>
namespace tinystl {
class string_view
{
public:
typedef char value_type;
typedef char* pointer;
typedef const char* const_pointer;
typedef char& reference;
typedef const char& const_reference;
typedef const_pointer iterator;
typedef const_pointer const_iterator;
typedef size_t size_type;
typedef ptrdiff_t difference_type;
static constexpr size_type npos = size_type(-1);
constexpr string_view();
constexpr string_view(const char* s, size_type count);
constexpr string_view(const char* s);
constexpr string_view(const string_view&) = default;
string_view& operator=(const string_view&) = default;
constexpr const char* data() const;
constexpr char operator[](size_type pos) const;
constexpr size_type size() const;
constexpr bool empty() const;
constexpr iterator begin() const;
constexpr const_iterator cbegin() const;
constexpr iterator end() const;
constexpr const_iterator cend() const;
constexpr string_view substr(size_type pos = 0, size_type count = npos) const;
constexpr void swap(string_view& v);
private:
string_view(decltype(nullptr)) = delete;
static constexpr size_type strlen(const char*);
const char* m_str;
size_type m_size;
};
constexpr string_view::string_view()
: m_str(nullptr)
, m_size(0)
{
}
constexpr string_view::string_view(const char* s, size_type count)
: m_str(s)
, m_size(count)
{
}
constexpr string_view::string_view(const char* s)
: m_str(s)
, m_size(strlen(s))
{
}
constexpr const char* string_view::data() const {
return m_str;
}
constexpr char string_view::operator[](size_type pos) const {
return m_str[pos];
}
constexpr string_view::size_type string_view::size() const {
return m_size;
}
constexpr bool string_view::empty() const {
return 0 == m_size;
}
constexpr string_view::iterator string_view::begin() const {
return m_str;
}
constexpr string_view::const_iterator string_view::cbegin() const {
return m_str;
}
constexpr string_view::iterator string_view::end() const {
return m_str + m_size;
}
constexpr string_view::const_iterator string_view::cend() const {
return m_str + m_size;
}
constexpr string_view string_view::substr(size_type pos, size_type count) const {
return string_view(m_str + pos, npos == count ? m_size - pos : count);
}
constexpr void string_view::swap(string_view& v) {
const char* strtmp = m_str;
size_type sizetmp = m_size;
m_str = v.m_str;
m_size = v.m_size;
v.m_str = strtmp;
v.m_size = sizetmp;
}
constexpr string_view::size_type string_view::strlen(const char* s) {
for (size_t len = 0; ; ++len) {
if (0 == s[len]) {
return len;
}
}
}
}
#endif // TINYSTL_STRING_VIEW_H

21
include/tinystl/traits.h
View File

@@ -1,5 +1,5 @@
/*-
* Copyright 2012 Matthew Endsley
* Copyright 2012-2018 Matthew Endsley
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
@@ -27,9 +27,9 @@
#ifndef TINYSTL_TRAITS_H
#define TINYSTL_TRAITS_H
#include "new.h"
#include <tinystl/new.h>
#if defined(__GNUC__) && defined(__is_pod)
#if defined(__GNUC__)
# define TINYSTL_TRY_POD_OPTIMIZATION(t) __is_pod(t)
#elif defined(_MSC_VER)
# define TINYSTL_TRY_POD_OPTIMIZATION(t) (!__is_class(t) || __is_pod(t))
@@ -80,6 +80,21 @@ namespace tinystl {
static inline void move_construct(T* a, T& b) {
move_construct_impl(a, b, (T*)0);
}
template<typename T>
struct remove_reference {
typedef T type;
};
template<typename T>
struct remove_reference<T&> {
typedef T type;
};
template<typename T>
struct remove_reference<T&&> {
typedef T type;
};
}
#endif

114
include/tinystl/unordered_map.h
View File

@@ -1,5 +1,5 @@
/*-
* Copyright 2012 Matthew Endsley
* Copyright 2012-2018 Matthew Endsley
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
@@ -27,9 +27,10 @@
#ifndef TINYSTL_UNORDERED_MAP_H
#define TINYSTL_UNORDERED_MAP_H
#include "buffer.h"
#include "hash.h"
#include "hash_base.h"
#include <tinystl/allocator.h>
#include <tinystl/buffer.h>
#include <tinystl/hash.h>
#include <tinystl/hash_base.h>
namespace tinystl {
@@ -38,13 +39,14 @@ namespace tinystl {
public:
unordered_map();
unordered_map(const unordered_map& other);
unordered_map(unordered_map&& other);
~unordered_map();
unordered_map& operator=(const unordered_map& other);
unordered_map& operator=(unordered_map&& other);
typedef pair<Key, Value> value_type;
typedef unordered_hash_iterator<const unordered_hash_node<Key, Value> > const_iterator;
typedef unordered_hash_iterator<unordered_hash_node<Key, Value> > iterator;
@@ -61,6 +63,7 @@ namespace tinystl {
const_iterator find(const Key& key) const;
iterator find(const Key& key);
pair<iterator, bool> insert(const pair<Key, Value>& p);
pair<iterator, bool> emplace(pair<Key, Value>&& p);
void erase(const_iterator where);
Value& operator[](const Key& key);
@@ -69,22 +72,23 @@ namespace tinystl {
private:
void rehash(size_t nbuckets);
typedef unordered_hash_node<Key, Value>* pointer;
size_t m_size;
buffer<pointer, Alloc> m_buckets;
tinystl::buffer<pointer, Alloc> m_buckets;
};
template<typename Key, typename Value, typename Alloc>
unordered_map<Key, Value, Alloc>::unordered_map()
inline unordered_map<Key, Value, Alloc>::unordered_map()
: m_size(0)
{
buffer_init<pointer, Alloc>(&m_buckets);
buffer_resize<pointer, Alloc>(&m_buckets, 9, 0);
}
template<typename Key, typename Value, typename Alloc>
unordered_map<Key, Value, Alloc>::unordered_map(const unordered_map& other)
inline unordered_map<Key, Value, Alloc>::unordered_map(const unordered_map& other)
: m_size(other.m_size)
{
const size_t nbuckets = (size_t)(other.m_buckets.last - other.m_buckets.first);
@@ -100,17 +104,32 @@ namespace tinystl {
}
template<typename Key, typename Value, typename Alloc>
unordered_map<Key, Value, Alloc>::~unordered_map() {
clear();
inline unordered_map<Key, Value, Alloc>::unordered_map(unordered_map&& other)
: m_size(other.m_size)
{
buffer_move(&m_buckets, &other.m_buckets);
other.m_size = 0;
}
template<typename Key, typename Value, typename Alloc>
inline unordered_map<Key, Value, Alloc>::~unordered_map() {
if (m_buckets.first != m_buckets.last)
clear();
buffer_destroy<pointer, Alloc>(&m_buckets);
}
template<typename Key, typename Value, typename Alloc>
unordered_map<Key, Value, Alloc>& unordered_map<Key, Value, Alloc>::operator=(const unordered_map<Key, Value, Alloc>& other) {
inline unordered_map<Key, Value, Alloc>& unordered_map<Key, Value, Alloc>::operator=(const unordered_map<Key, Value, Alloc>& other) {
unordered_map<Key, Value, Alloc>(other).swap(*this);
return *this;
}
template<typename Key, typename Value, typename Alloc>
inline unordered_map<Key, Value, Alloc>& unordered_map<Key, Value, Alloc>::operator=(unordered_map&& other) {
unordered_map(static_cast<unordered_map&&>(other)).swap(*this);
return *this;
}
template<typename Key, typename Value, typename Alloc>
inline typename unordered_map<Key, Value, Alloc>::iterator unordered_map<Key, Value, Alloc>::begin() {
iterator it;
@@ -180,24 +199,10 @@ namespace tinystl {
}
template<typename Key, typename Value, typename Alloc>
inline pair<typename unordered_map<Key, Value, Alloc>::iterator, bool> unordered_map<Key, Value, Alloc>::insert(const pair<Key, Value>& p) {
pair<iterator, bool> result;
result.second = false;
result.first = find(p.first);
if (result.first.node != 0)
return result;
unordered_hash_node<Key, Value>* newnode = new(placeholder(), Alloc::static_allocate(sizeof(unordered_hash_node<Key, Value>))) unordered_hash_node<Key, Value>(p.first, p.second);
newnode->next = newnode->prev = 0;
const size_t nbuckets = (size_t)(m_buckets.last - m_buckets.first);
unordered_hash_node_insert(newnode, hash(p.first), m_buckets.first, nbuckets - 1);
++m_size;
inline void unordered_map<Key, Value, Alloc>::rehash(size_t nbuckets) {
if (m_size + 1 > 4 * nbuckets) {
pointer root = *m_buckets.first;
const size_t newnbuckets = ((size_t)(m_buckets.last - m_buckets.first) - 1) * 8;
m_buckets.last = m_buckets.first;
buffer_resize<pointer, Alloc>(&m_buckets, newnbuckets + 1, 0);
@@ -210,6 +215,26 @@ namespace tinystl {
root = next;
}
}
}
template<typename Key, typename Value, typename Alloc>
inline pair<typename unordered_map<Key, Value, Alloc>::iterator, bool> unordered_map<Key, Value, Alloc>::insert(const pair<Key, Value>& p) {
pair<iterator, bool> result;
result.second = false;
result.first = find(p.first);
if (result.first.node != 0)
return result;
unordered_hash_node<Key, Value>* newnode = new(placeholder(), Alloc::static_allocate(sizeof(unordered_hash_node<Key, Value>))) unordered_hash_node<Key, Value>(p.first, p.second);
newnode->next = newnode->prev = 0;
if(!m_buckets.first) buffer_resize<pointer, Alloc>(&m_buckets, 9, 0);
const size_t nbuckets = (size_t)(m_buckets.last - m_buckets.first);
unordered_hash_node_insert(newnode, hash(p.first), m_buckets.first, nbuckets - 1);
++m_size;
rehash(nbuckets);
result.first.node = newnode;
result.second = true;
@@ -217,7 +242,32 @@ namespace tinystl {
}
template<typename Key, typename Value, typename Alloc>
void unordered_map<Key, Value, Alloc>::erase(const_iterator where) {
inline pair<typename unordered_map<Key, Value, Alloc>::iterator, bool> unordered_map<Key, Value, Alloc>::emplace(pair<Key, Value>&& p) {
pair<iterator, bool> result;
result.second = false;
result.first = find(p.first);
if (result.first.node != 0)
return result;
const size_t keyhash = hash(p.first);
unordered_hash_node<Key, Value>* newnode = new(placeholder(), Alloc::static_allocate(sizeof(unordered_hash_node<Key, Value>))) unordered_hash_node<Key, Value>(static_cast<Key&&>(p.first), static_cast<Value&&>(p.second));
newnode->next = newnode->prev = 0;
if (!m_buckets.first) buffer_resize<pointer, Alloc>(&m_buckets, 9, 0);
const size_t nbuckets = (size_t)(m_buckets.last - m_buckets.first);
unordered_hash_node_insert(newnode, keyhash, m_buckets.first, nbuckets - 1);
++m_size;
rehash(nbuckets);
result.first.node = newnode;
result.second = true;
return result;
}
template<typename Key, typename Value, typename Alloc>
inline void unordered_map<Key, Value, Alloc>::erase(const_iterator where) {
unordered_hash_node_erase(where.node, hash(where->first), m_buckets.first, (size_t)(m_buckets.last - m_buckets.first) - 1);
where->~unordered_hash_node<Key, Value>();
@@ -226,12 +276,12 @@ namespace tinystl {
}
template<typename Key, typename Value, typename Alloc>
Value& unordered_map<Key, Value, Alloc>::operator[](const Key& key) {
inline Value& unordered_map<Key, Value, Alloc>::operator[](const Key& key) {
return insert(pair<Key, Value>(key, Value())).first->second;
}
template<typename Key, typename Value, typename Alloc>
void unordered_map<Key, Value, Alloc>::swap(unordered_map& other) {
inline void unordered_map<Key, Value, Alloc>::swap(unordered_map& other) {
size_t tsize = other.m_size;
other.m_size = m_size, m_size = tsize;
buffer_swap(&m_buckets, &other.m_buckets);

100
include/tinystl/unordered_set.h
View File

@@ -1,5 +1,5 @@
/*-
* Copyright 2012 Matthew Endsley
* Copyright 2012-2018 Matthew Endsley
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
@@ -27,9 +27,10 @@
#ifndef TINYSTL_UNORDERED_SET_H
#define TINYSTL_UNORDERED_SET_H
#include "buffer.h"
#include "hash.h"
#include "hash_base.h"
#include <tinystl/allocator.h>
#include <tinystl/buffer.h>
#include <tinystl/hash.h>
#include <tinystl/hash_base.h>
namespace tinystl {
@@ -38,9 +39,11 @@ namespace tinystl {
public:
unordered_set();
unordered_set(const unordered_set& other);
unordered_set(unordered_set&& other);
~unordered_set();
unordered_set& operator=(const unordered_set& other);
unordered_set& operator=(unordered_set&& other);
typedef unordered_hash_iterator<const unordered_hash_node<Key, void> > const_iterator;
typedef const_iterator iterator;
@@ -54,6 +57,7 @@ namespace tinystl {
iterator find(const Key& key) const;
pair<iterator, bool> insert(const Key& key);
pair<iterator, bool> emplace(Key&& key);
void erase(iterator where);
size_t erase(const Key& key);
@@ -61,14 +65,16 @@ namespace tinystl {
private:
void rehash(size_t nbuckets);
typedef unordered_hash_node<Key, void>* pointer;
size_t m_size;
buffer<pointer, Alloc> m_buckets;
tinystl::buffer<pointer, Alloc> m_buckets;
};
template<typename Key, typename Alloc>
unordered_set<Key, Alloc>::unordered_set()
inline unordered_set<Key, Alloc>::unordered_set()
: m_size(0)
{
buffer_init<pointer, Alloc>(&m_buckets);
@@ -76,7 +82,7 @@ namespace tinystl {
}
template<typename Key, typename Alloc>
unordered_set<Key, Alloc>::unordered_set(const unordered_set& other)
inline unordered_set<Key, Alloc>::unordered_set(const unordered_set& other)
: m_size(other.m_size)
{
const size_t nbuckets = (size_t)(other.m_buckets.last - other.m_buckets.first);
@@ -91,17 +97,32 @@ namespace tinystl {
}
template<typename Key, typename Alloc>
unordered_set<Key, Alloc>::~unordered_set() {
clear();
inline unordered_set<Key, Alloc>::unordered_set(unordered_set&& other)
: m_size(other.m_size)
{
buffer_move(&m_buckets, &other.m_buckets);
other.m_size = 0;
}
template<typename Key, typename Alloc>
inline unordered_set<Key, Alloc>::~unordered_set() {
if (m_buckets.first != m_buckets.last)
clear();
buffer_destroy<pointer, Alloc>(&m_buckets);
}
template<typename Key, typename Alloc>
unordered_set<Key, Alloc>& unordered_set<Key, Alloc>::operator=(const unordered_set<Key, Alloc>& other) {
inline unordered_set<Key, Alloc>& unordered_set<Key, Alloc>::operator=(const unordered_set<Key, Alloc>& other) {
unordered_set<Key, Alloc>(other).swap(*this);
return *this;
}
template<typename Key, typename Alloc>
inline unordered_set<Key, Alloc>& unordered_set<Key, Alloc>::operator=(unordered_set&& other) {
unordered_set(static_cast<unordered_set&&>(other)).swap(*this);
return *this;
}
template<typename Key, typename Alloc>
inline typename unordered_set<Key, Alloc>::iterator unordered_set<Key, Alloc>::begin() const {
iterator cit;
@@ -150,21 +171,7 @@ namespace tinystl {
}
template<typename Key, typename Alloc>
inline pair<typename unordered_set<Key, Alloc>::iterator, bool> unordered_set<Key, Alloc>::insert(const Key& key) {
pair<iterator, bool> result;
result.second = false;
result.first = find(key);
if (result.first.node != 0)
return result;
unordered_hash_node<Key, void>* newnode = new(placeholder(), Alloc::static_allocate(sizeof(unordered_hash_node<Key, void>))) unordered_hash_node<Key, void>(key);
newnode->next = newnode->prev = 0;
const size_t nbuckets = (size_t)(m_buckets.last - m_buckets.first);
unordered_hash_node_insert(newnode, hash(key), m_buckets.first, nbuckets - 1);
++m_size;
inline void unordered_set<Key, Alloc>::rehash(size_t nbuckets) {
if (m_size + 1 > 4 * nbuckets) {
pointer root = *m_buckets.first;
@@ -180,6 +187,49 @@ namespace tinystl {
root = next;
}
}
}
template<typename Key, typename Alloc>
inline pair<typename unordered_set<Key, Alloc>::iterator, bool> unordered_set<Key, Alloc>::insert(const Key& key) {
pair<iterator, bool> result;
result.second = false;
result.first = find(key);
if (result.first.node != 0)
return result;
unordered_hash_node<Key, void>* newnode = new(placeholder(), Alloc::static_allocate(sizeof(unordered_hash_node<Key, void>))) unordered_hash_node<Key, void>(key);
newnode->next = newnode->prev = 0;
const size_t nbuckets = (size_t)(m_buckets.last - m_buckets.first);
unordered_hash_node_insert(newnode, hash(key), m_buckets.first, nbuckets - 1);
++m_size;
rehash(nbuckets);
result.first.node = newnode;
result.second = true;
return result;
}
template<typename Key, typename Alloc>
inline pair<typename unordered_set<Key, Alloc>::iterator, bool> unordered_set<Key, Alloc>::emplace(Key&& key) {
pair<iterator, bool> result;
result.second = false;
result.first = find(key);
if (result.first.node != 0)
return result;
const size_t keyhash = hash(key);
unordered_hash_node<Key, void>* newnode = new(placeholder(), Alloc::static_allocate(sizeof(unordered_hash_node<Key, void>))) unordered_hash_node<Key, void>(static_cast<Key&&>(key));
newnode->next = newnode->prev = 0;
const size_t nbuckets = (size_t)(m_buckets.last - m_buckets.first);
unordered_hash_node_insert(newnode, keyhash, m_buckets.first, nbuckets - 1);
++m_size;
rehash(nbuckets);
result.first.node = newnode;
result.second = true;

58
include/tinystl/vector.h
View File

@@ -1,5 +1,5 @@
/*-
* Copyright 2012-1015 Matthew Endsley
* Copyright 2012-2018 Matthew Endsley
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
@@ -27,23 +27,25 @@
#ifndef TINYSTL_VECTOR_H
#define TINYSTL_VECTOR_H
#include "buffer.h"
#include "new.h"
#include "stddef.h"
#include <tinystl/allocator.h>
#include <tinystl/buffer.h>
#include <tinystl/new.h>
#include <tinystl/stddef.h>
namespace tinystl {
template<typename T, typename Alloc = TINYSTL_ALLOCATOR>
class vector {
public:
vector();
vector(const vector& other);
vector(size_t _size);
vector(size_t _size, const T& value);
vector(vector&& other);
vector(size_t size);
vector(size_t size, const T& value);
vector(const T* first, const T* last);
~vector();
vector& operator=(const vector& other);
vector& operator=(vector&& other);
void assign(const T* first, const T* last);
@@ -64,7 +66,7 @@ namespace tinystl {
void resize(size_t size);
void resize(size_t size, const T& value);
void clear();
void reserve(size_t _capacity);
void reserve(size_t capacity);
void push_back(const T& t);
void pop_back();
@@ -117,15 +119,20 @@ namespace tinystl {
}
template<typename T, typename Alloc>
inline vector<T, Alloc>::vector(size_t _size) {
buffer_init(&m_buffer);
buffer_resize(&m_buffer, _size);
inline vector<T, Alloc>::vector(vector&& other) {
buffer_move(&m_buffer, &other.m_buffer);
}
template<typename T, typename Alloc>
inline vector<T, Alloc>::vector(size_t _size, const T& value) {
inline vector<T, Alloc>::vector(size_t size) {
buffer_init(&m_buffer);
buffer_resize(&m_buffer, _size, value);
buffer_resize(&m_buffer, size);
}
template<typename T, typename Alloc>
inline vector<T, Alloc>::vector(size_t size, const T& value) {
buffer_init(&m_buffer);
buffer_resize(&m_buffer, size, value);
}
template<typename T, typename Alloc>
@@ -145,6 +152,13 @@ namespace tinystl {
return *this;
}
template<typename T, typename Alloc>
vector<T, Alloc>& vector<T, Alloc>::operator=(vector&& other) {
buffer_destroy(&m_buffer);
buffer_move(&m_buffer, &other.m_buffer);
return *this;
}
template<typename T, typename Alloc>
inline void vector<T, Alloc>::assign(const T* first, const T* last) {
buffer_clear(&m_buffer);
@@ -207,13 +221,13 @@ namespace tinystl {
}
template<typename T, typename Alloc>
inline void vector<T, Alloc>::resize(size_t _size) {
buffer_resize(&m_buffer, _size);
inline void vector<T, Alloc>::resize(size_t size) {
buffer_resize(&m_buffer, size);
}
template<typename T, typename Alloc>
inline void vector<T, Alloc>::resize(size_t _size, const T& value) {
buffer_resize(&m_buffer, _size, value);
inline void vector<T, Alloc>::resize(size_t size, const T& value) {
buffer_resize(&m_buffer, size, value);
}
template<typename T, typename Alloc>
@@ -222,8 +236,8 @@ namespace tinystl {
}
template<typename T, typename Alloc>
inline void vector<T, Alloc>::reserve(size_t _capacity) {
buffer_reserve(&m_buffer, _capacity);
inline void vector<T, Alloc>::reserve(size_t capacity) {
buffer_reserve(&m_buffer, capacity);
}
template<typename T, typename Alloc>
@@ -278,7 +292,7 @@ namespace tinystl {
}
template<typename T, typename Alloc>
inline void vector<T, Alloc>::insert(iterator where) {
inline void vector<T, Alloc>::insert(typename vector::iterator where) {
buffer_insert(&m_buffer, where, 1);
}
@@ -314,9 +328,9 @@ namespace tinystl {
template<typename T, typename Alloc>
template<typename Param>
void vector<T, Alloc>::emplace(iterator where, const Param& param) {
void vector<T, Alloc>::emplace(typename vector::iterator where, const Param& param) {
buffer_insert(&m_buffer, where, &param, &param + 1);
}
}
#endif
#endif // TINYSTL_VECTOR_H