491 lines
18 KiB
C
491 lines
18 KiB
C
|
///\file
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
The MIT License(MIT)
|
||
|
|
|
||
|
|
Embedded Template Library.
|
||
|
|
https://github.com/ETLCPP/etl
|
||
|
|
https://www.etlcpp.com
|
||
|
|
|
||
|
|
Copyright(c) 2016 John Wellbelove
|
||
|
|
|
||
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
of this software and associated documentation files(the "Software"), to deal
|
||
|
|
in the Software without restriction, including without limitation the rights
|
||
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
|
||
|
|
copies of the Software, and to permit persons to whom the Software is
|
||
|
|
furnished to do so, subject to the following conditions :
|
||
|
|
|
||
|
|
The above copyright notice and this permission notice shall be included in all
|
||
|
|
copies or substantial portions of the Software.
|
||
|
|
|
||
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
|
||
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
|
|
SOFTWARE.
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
#ifndef ETL_WSTRING_INCLUDED
|
||
|
|
#define ETL_WSTRING_INCLUDED
|
||
|
|
|
||
|
|
#include "platform.h"
|
||
|
|
#include "basic_string.h"
|
||
|
|
#include "string_view.h"
|
||
|
|
#include "hash.h"
|
||
|
|
#include "initializer_list.h"
|
||
|
|
|
||
|
|
#include "private/minmax_push.h"
|
||
|
|
|
||
|
|
namespace etl
|
||
|
|
{
|
||
|
|
#if ETL_USING_CPP11
|
||
|
|
inline namespace literals
|
||
|
|
{
|
||
|
|
inline namespace string_literals
|
||
|
|
{
|
||
|
|
constexpr etl::wstring_view operator ""_sv(const wchar_t* str, size_t length) noexcept
|
||
|
|
{
|
||
|
|
return etl::wstring_view{ str, length };
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef ibasic_string<wchar_t> iwstring;
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
/// A wstring implementation that uses a fixed size buffer.
|
||
|
|
///\tparam MAX_SIZE_ The maximum number of elements that can be stored.
|
||
|
|
///\ingroup wstring
|
||
|
|
//***************************************************************************
|
||
|
|
template <size_t MAX_SIZE_>
|
||
|
|
class wstring : public iwstring
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
typedef iwstring base_type;
|
||
|
|
typedef iwstring interface_type;
|
||
|
|
|
||
|
|
typedef iwstring::value_type value_type;
|
||
|
|
|
||
|
|
static const size_t MAX_SIZE = MAX_SIZE_;
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Constructor.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring()
|
||
|
|
: iwstring(reinterpret_cast<value_type*>(&buffer), MAX_SIZE)
|
||
|
|
{
|
||
|
|
this->initialise();
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Copy constructor.
|
||
|
|
///\param other The other string.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring(const etl::wstring<MAX_SIZE_>& other)
|
||
|
|
: iwstring(reinterpret_cast<value_type*>(&buffer), MAX_SIZE)
|
||
|
|
{
|
||
|
|
this->assign(other);
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// From other iwstring.
|
||
|
|
///\param other The other iwstring.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring(const etl::iwstring& other)
|
||
|
|
: iwstring(reinterpret_cast<value_type*>(&buffer), MAX_SIZE)
|
||
|
|
{
|
||
|
|
this->assign(other);
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// From other string, position, length.
|
||
|
|
///\param other The other string.
|
||
|
|
///\param position The position of the first character.
|
||
|
|
///\param length The number of characters. Default = npos.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring(const etl::iwstring& other, size_type position, size_type length = npos)
|
||
|
|
: iwstring(reinterpret_cast<value_type*>(&buffer), MAX_SIZE)
|
||
|
|
{
|
||
|
|
ETL_ASSERT(position < other.size(), ETL_ERROR(string_out_of_bounds));
|
||
|
|
|
||
|
|
this->assign(other, position, length);
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Constructor, from null terminated text.
|
||
|
|
///\param text The initial text of the wstring.
|
||
|
|
//*************************************************************************
|
||
|
|
ETL_EXPLICIT_STRING_FROM_CHAR wstring(const value_type* text)
|
||
|
|
: iwstring(reinterpret_cast<value_type*>(&buffer), MAX_SIZE)
|
||
|
|
{
|
||
|
|
this->assign(text, text + etl::char_traits<value_type>::length(text));
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Constructor, from null terminated text and count.
|
||
|
|
///\param text The initial text of the wstring.
|
||
|
|
///\param count The number of characters to copy.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring(const value_type* text, size_type count)
|
||
|
|
: iwstring(reinterpret_cast<value_type*>(&buffer), MAX_SIZE)
|
||
|
|
{
|
||
|
|
this->assign(text, text + count);
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Constructor, from initial size and value.
|
||
|
|
///\param initialSize The initial size of the wstring.
|
||
|
|
///\param value The value to fill the wstring with.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring(size_type count, value_type c)
|
||
|
|
: iwstring(reinterpret_cast<value_type*>(&buffer), MAX_SIZE)
|
||
|
|
{
|
||
|
|
this->initialise();
|
||
|
|
this->resize(count, c);
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Constructor, from an iterator range.
|
||
|
|
///\tparam TIterator The iterator type.
|
||
|
|
///\param first The iterator to the first element.
|
||
|
|
///\param last The iterator to the last element + 1.
|
||
|
|
//*************************************************************************
|
||
|
|
template <typename TIterator>
|
||
|
|
wstring(TIterator first, TIterator last, typename etl::enable_if<!etl::is_integral<TIterator>::value, int>::type = 0)
|
||
|
|
: iwstring(reinterpret_cast<value_type*>(&buffer), MAX_SIZE)
|
||
|
|
{
|
||
|
|
this->assign(first, last);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if ETL_HAS_INITIALIZER_LIST
|
||
|
|
//*************************************************************************
|
||
|
|
/// Construct from initializer_list.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring(std::initializer_list<value_type> init)
|
||
|
|
: iwstring(reinterpret_cast<value_type*>(&buffer), MAX_SIZE)
|
||
|
|
{
|
||
|
|
this->assign(init.begin(), init.end());
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// From string_view.
|
||
|
|
///\param view The string_view.
|
||
|
|
//*************************************************************************
|
||
|
|
explicit wstring(const etl::wstring_view& view)
|
||
|
|
: iwstring(reinterpret_cast<value_type*>(&buffer), MAX_SIZE)
|
||
|
|
{
|
||
|
|
this->assign(view.begin(), view.end());
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Returns a sub-string.
|
||
|
|
///\param position The position of the first character. Default = 0.
|
||
|
|
///\param length The number of characters. Default = npos.
|
||
|
|
//*************************************************************************
|
||
|
|
etl::wstring<MAX_SIZE_> substr(size_type position = 0, size_type length_ = npos) const
|
||
|
|
{
|
||
|
|
etl::wstring<MAX_SIZE_> new_string;
|
||
|
|
|
||
|
|
if (position != size())
|
||
|
|
{
|
||
|
|
ETL_ASSERT(position < size(), ETL_ERROR(string_out_of_bounds));
|
||
|
|
|
||
|
|
length_ = etl::min(length_, size() - position);
|
||
|
|
|
||
|
|
new_string.assign(buffer + position, buffer + position + length_);
|
||
|
|
}
|
||
|
|
|
||
|
|
return new_string;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Assignment operator.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring& operator = (const wstring& rhs)
|
||
|
|
{
|
||
|
|
if (&rhs != this)
|
||
|
|
{
|
||
|
|
this->assign(rhs);
|
||
|
|
}
|
||
|
|
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Assignment operator.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring& operator = (const value_type* text)
|
||
|
|
{
|
||
|
|
this->assign(text);
|
||
|
|
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Fix the internal pointers after a low level memory copy.
|
||
|
|
//*************************************************************************
|
||
|
|
#if ETL_HAS_ISTRING_REPAIR
|
||
|
|
virtual void repair() ETL_OVERRIDE
|
||
|
|
#else
|
||
|
|
void repair()
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
etl::iwstring::repair_buffer(buffer);
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
value_type buffer[MAX_SIZE + 1];
|
||
|
|
};
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
/// A wstring implementation that uses a fixed size external buffer.
|
||
|
|
///\ingroup wstring
|
||
|
|
//***************************************************************************
|
||
|
|
class wstring_ext : public iwstring
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
typedef iwstring base_type;
|
||
|
|
typedef iwstring interface_type;
|
||
|
|
|
||
|
|
typedef iwstring::value_type value_type;
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Constructor.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring_ext(value_type* buffer, size_type buffer_size)
|
||
|
|
: iwstring(buffer, buffer_size - 1U)
|
||
|
|
{
|
||
|
|
this->initialise();
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Copy constructor.
|
||
|
|
///\param other The other wstring_ext.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring_ext(const etl::wstring_ext& other, value_type* buffer, size_type buffer_size)
|
||
|
|
: iwstring(buffer, buffer_size - 1U)
|
||
|
|
{
|
||
|
|
this->assign(other);
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// From other iwstring.
|
||
|
|
///\param other The other iwstring.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring_ext(const etl::iwstring& other, value_type* buffer, size_type buffer_size)
|
||
|
|
: iwstring(buffer, buffer_size - 1U)
|
||
|
|
{
|
||
|
|
this->assign(other);
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// From other wstring_ext, position, length.
|
||
|
|
///\param other The other wstring_ext.
|
||
|
|
///\param position The position of the first character.
|
||
|
|
///\param length The number of characters. Default = npos.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring_ext(const etl::iwstring& other, value_type* buffer, size_type buffer_size, size_type position, size_type length = npos)
|
||
|
|
: iwstring(buffer, buffer_size - 1U)
|
||
|
|
{
|
||
|
|
ETL_ASSERT(position < other.size(), ETL_ERROR(string_out_of_bounds));
|
||
|
|
|
||
|
|
this->assign(other, position, length);
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Constructor, from null terminated text.
|
||
|
|
///\param text The initial text of the wstring_ext.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring_ext(const value_type* text, value_type* buffer, size_type buffer_size)
|
||
|
|
: iwstring(buffer, buffer_size - 1U)
|
||
|
|
{
|
||
|
|
// Is the initial text at the same address as the buffer?
|
||
|
|
if (text == buffer)
|
||
|
|
{
|
||
|
|
this->current_size = etl::strlen(buffer);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
this->assign(text, text + etl::strlen(text));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Constructor, from null terminated text and count.
|
||
|
|
///\param text The initial text of the wstring_ext.
|
||
|
|
///\param count The number of characters to copy.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring_ext(const value_type* text, size_type count, value_type* buffer, size_type buffer_size)
|
||
|
|
: iwstring(buffer, buffer_size - 1U)
|
||
|
|
{
|
||
|
|
this->assign(text, text + count);
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Constructor, from initial size and value.
|
||
|
|
///\param initialSize The initial size of the wstring_ext.
|
||
|
|
///\param value The value to fill the wstring_ext with.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring_ext(size_type count, value_type c, value_type* buffer, size_type buffer_size)
|
||
|
|
: iwstring(buffer, buffer_size - 1U)
|
||
|
|
{
|
||
|
|
this->initialise();
|
||
|
|
this->resize(count, c);
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Constructor, from an iterator range.
|
||
|
|
///\tparam TIterator The iterator type.
|
||
|
|
///\param first The iterator to the first element.
|
||
|
|
///\param last The iterator to the last element + 1.
|
||
|
|
//*************************************************************************
|
||
|
|
template <typename TIterator>
|
||
|
|
wstring_ext(TIterator first, TIterator last, value_type* buffer, size_type buffer_size, typename etl::enable_if<!etl::is_integral<TIterator>::value, int>::type = 0)
|
||
|
|
: iwstring(buffer, buffer_size - 1U)
|
||
|
|
{
|
||
|
|
this->assign(first, last);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if ETL_HAS_INITIALIZER_LIST
|
||
|
|
//*************************************************************************
|
||
|
|
/// Construct from initializer_list.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring_ext(std::initializer_list<value_type> init, value_type* buffer, size_type buffer_size)
|
||
|
|
: iwstring(buffer, buffer_size - 1U)
|
||
|
|
{
|
||
|
|
this->assign(init.begin(), init.end());
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// From wstring_view.
|
||
|
|
///\param view The wstring_view.
|
||
|
|
//*************************************************************************
|
||
|
|
explicit wstring_ext(const etl::wstring_view& view, value_type* buffer, size_type buffer_size)
|
||
|
|
: iwstring(buffer, buffer_size - 1U)
|
||
|
|
{
|
||
|
|
this->assign(view.begin(), view.end());
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Assignment operator.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring_ext& operator = (const wstring_ext& rhs)
|
||
|
|
{
|
||
|
|
if (&rhs != this)
|
||
|
|
{
|
||
|
|
this->assign(rhs);
|
||
|
|
}
|
||
|
|
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Assignment operator.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring_ext& operator = (const iwstring& rhs)
|
||
|
|
{
|
||
|
|
if (&rhs != this)
|
||
|
|
{
|
||
|
|
this->assign(rhs);
|
||
|
|
}
|
||
|
|
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Assignment operator.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring_ext& operator = (const value_type* text)
|
||
|
|
{
|
||
|
|
this->assign(text);
|
||
|
|
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Fix the internal pointers after a low level memory copy.
|
||
|
|
//*************************************************************************
|
||
|
|
#if ETL_HAS_ISTRING_REPAIR
|
||
|
|
virtual void repair() ETL_OVERRIDE
|
||
|
|
#else
|
||
|
|
void repair()
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Deleted.
|
||
|
|
//*************************************************************************
|
||
|
|
wstring_ext(const wstring_ext& other) ETL_DELETE;
|
||
|
|
};
|
||
|
|
|
||
|
|
//*************************************************************************
|
||
|
|
/// Hash function.
|
||
|
|
//*************************************************************************
|
||
|
|
#if ETL_USING_8BIT_TYPES
|
||
|
|
template <>
|
||
|
|
struct hash<etl::iwstring>
|
||
|
|
{
|
||
|
|
size_t operator()(const etl::iwstring& text) const
|
||
|
|
{
|
||
|
|
return etl::private_hash::generic_hash<size_t>(reinterpret_cast<const uint8_t*>(text.data()),
|
||
|
|
reinterpret_cast<const uint8_t*>(text.data() + text.size()));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
template <size_t SIZE>
|
||
|
|
struct hash<etl::wstring<SIZE> >
|
||
|
|
{
|
||
|
|
size_t operator()(const etl::wstring<SIZE>& text) const
|
||
|
|
{
|
||
|
|
return etl::private_hash::generic_hash<size_t>(reinterpret_cast<const uint8_t*>(text.data()),
|
||
|
|
reinterpret_cast<const uint8_t*>(text.data() + text.size()));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
template <>
|
||
|
|
struct hash<etl::wstring_ext>
|
||
|
|
{
|
||
|
|
size_t operator()(const etl::wstring_ext& text) const
|
||
|
|
{
|
||
|
|
return etl::private_hash::generic_hash<size_t>(reinterpret_cast<const uint8_t*>(text.data()),
|
||
|
|
reinterpret_cast<const uint8_t*>(text.data() + text.size()));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
/// Make string from string literal or array
|
||
|
|
//***************************************************************************
|
||
|
|
template<size_t Array_Size>
|
||
|
|
etl::wstring<Array_Size - 1U> make_string(const wchar_t(&text)[Array_Size])
|
||
|
|
{
|
||
|
|
return etl::wstring<Array_Size - 1U>(text, etl::strlen(text, Array_Size - 1U));
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
/// Make string with max capacity from string literal or array
|
||
|
|
//***************************************************************************
|
||
|
|
template<size_t MAX_SIZE, size_t SIZE>
|
||
|
|
etl::wstring<MAX_SIZE> make_string_with_capacity(const wchar_t(&text)[SIZE])
|
||
|
|
{
|
||
|
|
return etl::wstring<MAX_SIZE>(text, etl::strlen(text, SIZE));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#include "private/minmax_pop.h"
|
||
|
|
|
||
|
|
#endif
|