923 lines
31 KiB
C++
923 lines
31 KiB
C++
///\file
|
|
|
|
/******************************************************************************
|
|
The MIT License(MIT)
|
|
|
|
Embedded Template Library.
|
|
https://github.com/ETLCPP/etl
|
|
https://www.etlcpp.com
|
|
|
|
Copyright(c) 2017 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_STRING_VIEW_INCLUDED
|
|
#define ETL_STRING_VIEW_INCLUDED
|
|
|
|
#include "platform.h"
|
|
#include "memory.h"
|
|
#include "iterator.h"
|
|
#include "error_handler.h"
|
|
#include "exception.h"
|
|
#include "char_traits.h"
|
|
#include "integral_limits.h"
|
|
#include "hash.h"
|
|
#include "basic_string.h"
|
|
#include "algorithm.h"
|
|
#include "private/minmax_push.h"
|
|
|
|
#include <stdint.h>
|
|
|
|
namespace etl
|
|
{
|
|
//***************************************************************************
|
|
/// The base class for basic_string_view exceptions.
|
|
//***************************************************************************
|
|
class string_view_exception : public exception
|
|
{
|
|
public:
|
|
|
|
string_view_exception(string_type reason_, string_type file_name_, numeric_type line_number_)
|
|
: exception(reason_, file_name_, line_number_)
|
|
{
|
|
}
|
|
};
|
|
|
|
//***************************************************************************
|
|
///\ingroup stack
|
|
/// The exception thrown when the index is out of bounds.
|
|
//***************************************************************************
|
|
class string_view_bounds : public string_view_exception
|
|
{
|
|
public:
|
|
|
|
string_view_bounds(string_type file_name_, numeric_type line_number_)
|
|
: string_view_exception(ETL_ERROR_TEXT("basic_string_view:bounds", ETL_STRING_VIEW_FILE_ID"A"), file_name_, line_number_)
|
|
{
|
|
}
|
|
};
|
|
|
|
//***************************************************************************
|
|
///\ingroup stack
|
|
/// The exception thrown when the view is uninitialised.
|
|
//***************************************************************************
|
|
class string_view_uninitialised : public string_view_exception
|
|
{
|
|
public:
|
|
|
|
string_view_uninitialised(string_type file_name_, numeric_type line_number_)
|
|
: string_view_exception(ETL_ERROR_TEXT("basic_string_view:uninitialised", ETL_STRING_VIEW_FILE_ID"B"), file_name_, line_number_)
|
|
{
|
|
}
|
|
};
|
|
|
|
//***************************************************************************
|
|
/// String view.
|
|
//***************************************************************************
|
|
template <typename T, typename TTraits = etl::char_traits<T> >
|
|
class basic_string_view
|
|
{
|
|
public:
|
|
|
|
typedef T value_type;
|
|
typedef TTraits traits_type;
|
|
typedef size_t size_type;
|
|
typedef const T& const_reference;
|
|
typedef const T* const_pointer;
|
|
typedef const T* const_iterator;
|
|
typedef ETL_OR_STD::reverse_iterator<const_iterator> const_reverse_iterator;
|
|
|
|
enum
|
|
{
|
|
npos = etl::integral_limits<size_t>::max
|
|
};
|
|
|
|
//*************************************************************************
|
|
/// Default constructor.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR basic_string_view() ETL_NOEXCEPT
|
|
: mbegin(ETL_NULLPTR)
|
|
, mend(ETL_NULLPTR)
|
|
{
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Construct from string.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR basic_string_view(const etl::ibasic_string<T>& str)
|
|
: mbegin(str.begin())
|
|
, mend(str.end())
|
|
{
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Construct from T*.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 ETL_EXPLICIT_STRING_FROM_CHAR basic_string_view(const T* begin_)
|
|
: mbegin(begin_)
|
|
, mend(begin_ + TTraits::length(begin_))
|
|
{
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Construct from pointer range.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR basic_string_view(const T* begin_, const T* end_)
|
|
: mbegin(begin_)
|
|
, mend(end_)
|
|
{
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Construct from pointer/size.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR basic_string_view(const T* begin_, size_t size_)
|
|
: mbegin(begin_)
|
|
, mend(begin_ + size_)
|
|
{
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Copy constructor
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR basic_string_view(const basic_string_view& other) ETL_NOEXCEPT
|
|
: mbegin(other.mbegin)
|
|
, mend(other.mend)
|
|
{
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns a const reference to the first element.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR const_reference front() const
|
|
{
|
|
return *mbegin;
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns a const reference to the last element.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR const_reference back() const
|
|
{
|
|
return *(mend - 1);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns a const pointer to the first element of the internal storage.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR const_pointer data() const
|
|
{
|
|
return mbegin;
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns a const iterator to the beginning of the array.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR const_iterator begin() const
|
|
{
|
|
return mbegin;
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns a const iterator to the beginning of the array.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR const_iterator cbegin() const
|
|
{
|
|
return mbegin;
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns a const iterator to the end of the array.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR const_iterator end() const
|
|
{
|
|
return mend;
|
|
}
|
|
|
|
//*************************************************************************
|
|
// Returns a const iterator to the end of the array.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR const_iterator cend() const
|
|
{
|
|
return mend;
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns a const reverse iterator to the reverse beginning of the array.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR const_reverse_iterator rbegin() const
|
|
{
|
|
return const_reverse_iterator(mend);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns a const reverse iterator to the reverse beginning of the array.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR const_reverse_iterator crbegin() const
|
|
{
|
|
return const_reverse_iterator(mend);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns a const reverse iterator to the end of the array.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR const_reverse_iterator rend() const
|
|
{
|
|
return const_reverse_iterator(mbegin);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns a const reverse iterator to the end of the array.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR const_reverse_iterator crend() const
|
|
{
|
|
return const_reverse_iterator(mbegin);
|
|
}
|
|
|
|
//*************************************************************************
|
|
// Capacity
|
|
//*************************************************************************
|
|
|
|
//*************************************************************************
|
|
/// Returns <b>true</b> if the array size is zero.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR bool empty() const
|
|
{
|
|
return (mbegin == mend);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns the size of the array.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR size_t size() const
|
|
{
|
|
return static_cast<size_t>(mend - mbegin);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns the size of the array.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR size_t length() const
|
|
{
|
|
return size();
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns the maximum possible size of the array.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR size_t max_size() const
|
|
{
|
|
return size();
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Assign from a view.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 etl::basic_string_view<T, TTraits>& operator=(const etl::basic_string_view<T, TTraits>& other)
|
|
{
|
|
mbegin = other.mbegin;
|
|
mend = other.mend;
|
|
return *this;
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Assign from iterators
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 void assign(const_pointer begin_, const_pointer end_)
|
|
{
|
|
mbegin = begin_;
|
|
mend = end_;
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Assign from iterator and size.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 void assign(const_pointer begin_, size_t size_)
|
|
{
|
|
mbegin = begin_;
|
|
mend = begin_ + size_;
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns a const reference to the indexed value.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR const_reference operator[](size_t i) const
|
|
{
|
|
return mbegin[i];
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns a const reference to the indexed value.
|
|
//*************************************************************************
|
|
const_reference at(size_t i) const
|
|
{
|
|
ETL_ASSERT((mbegin != ETL_NULLPTR && mend != ETL_NULLPTR), ETL_ERROR(string_view_uninitialised));
|
|
ETL_ASSERT(i < size(), ETL_ERROR(string_view_bounds));
|
|
return mbegin[i];
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Swaps with another basic_string_view.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 void swap(basic_string_view& other) ETL_NOEXCEPT
|
|
{
|
|
using ETL_OR_STD::swap; // Allow ADL
|
|
|
|
swap(mbegin, other.mbegin);
|
|
swap(mend, other.mend);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Copies characters
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 size_type copy(T* destination, size_type count, size_type position = 0) const
|
|
{
|
|
size_t n = 0UL;
|
|
|
|
if (position < size())
|
|
{
|
|
n = etl::min(count, size() - position);
|
|
|
|
etl::copy(mbegin + position, mbegin + position + n, destination);
|
|
}
|
|
|
|
return n;
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Returns a substring
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 basic_string_view substr(size_type position = 0, size_type count = npos) const
|
|
{
|
|
basic_string_view view;
|
|
|
|
if (position < size())
|
|
{
|
|
size_t n = etl::min(count, size() - position);
|
|
|
|
view = basic_string_view(mbegin + position, mbegin + position + n);
|
|
}
|
|
|
|
return view;
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Shrinks the view by moving its start forward.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 void remove_prefix(size_type n)
|
|
{
|
|
mbegin += n;
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Shrinks the view by moving its end backward.
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 void remove_suffix(size_type n)
|
|
{
|
|
mend -= n;
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Compares two views
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 int compare(basic_string_view<T, TTraits> view) const
|
|
{
|
|
return (*this == view) ? 0 : ((*this > view) ? 1 : -1);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 int compare(size_type position, size_type count, basic_string_view view) const
|
|
{
|
|
return substr(position, count).compare(view);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 int compare(size_type position1, size_type count1,
|
|
basic_string_view view,
|
|
size_type position2, size_type count2) const
|
|
{
|
|
return substr(position1, count1).compare(view.substr(position2, count2));
|
|
}
|
|
|
|
ETL_CONSTEXPR14 int compare(const T* text) const
|
|
{
|
|
return compare(etl::basic_string_view<T, TTraits>(text));
|
|
}
|
|
|
|
ETL_CONSTEXPR14 int compare(size_type position, size_type count, const T* text) const
|
|
{
|
|
return substr(position, count).compare(etl::basic_string_view<T, TTraits>(text));
|
|
}
|
|
|
|
ETL_CONSTEXPR14 int compare(size_type position, size_type count1, const T* text, size_type count2) const
|
|
{
|
|
return substr(position, count1).compare(etl::basic_string_view<T, TTraits>(text, count2));
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Checks if the string view starts with the given prefix
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 bool starts_with(etl::basic_string_view<T, TTraits> view) const
|
|
{
|
|
return (size() >= view.size()) &&
|
|
(compare(0, view.size(), view) == 0);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 bool starts_with(T c) const
|
|
{
|
|
return !empty() && (front() == c);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 bool starts_with(const T* text) const
|
|
{
|
|
size_t lengthtext = TTraits::length(text);
|
|
|
|
return (size() >= lengthtext) &&
|
|
(compare(0, lengthtext, text) == 0);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Checks if the string view ends with the given suffix
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 bool ends_with(etl::basic_string_view<T, TTraits> view) const
|
|
{
|
|
return (size() >= view.size()) &&
|
|
(compare(size() - view.size(), npos, view) == 0);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 bool ends_with(T c) const
|
|
{
|
|
return !empty() && (back() == c);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 bool ends_with(const T* text) const
|
|
{
|
|
size_t lengthtext = TTraits::length(text);
|
|
size_t lengthview = size();
|
|
|
|
return (lengthview >= lengthtext) &&
|
|
(compare(lengthview - lengthtext, lengthtext, text) == 0);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Find characters in the view
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 size_type find(etl::basic_string_view<T, TTraits> view, size_type position = 0) const
|
|
{
|
|
if ((size() < view.size()))
|
|
{
|
|
return npos;
|
|
}
|
|
|
|
const_iterator iposition = etl::search(begin() + position, end(), view.begin(), view.end());
|
|
|
|
if (iposition == end())
|
|
{
|
|
return npos;
|
|
}
|
|
else
|
|
{
|
|
return etl::distance(begin(), iposition);
|
|
}
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find(T c, size_type position = 0) const
|
|
{
|
|
return find(etl::basic_string_view<T, TTraits>(&c, 1), position);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find(const T* text, size_type position, size_type count) const
|
|
{
|
|
return find(etl::basic_string_view<T, TTraits>(text, count), position);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find(const T* text, size_type position = 0) const
|
|
{
|
|
return find(etl::basic_string_view<T, TTraits>(text), position);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Find the last occurrence of a substring
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 size_type rfind(etl::basic_string_view<T, TTraits> view, size_type position = npos) const
|
|
{
|
|
if ((size() < view.size()))
|
|
{
|
|
return npos;
|
|
}
|
|
|
|
position = etl::min(position, size());
|
|
|
|
const_iterator iposition = etl::find_end(begin(),
|
|
begin() + position,
|
|
view.begin(),
|
|
view.end());
|
|
|
|
if (iposition == end())
|
|
{
|
|
return npos;
|
|
}
|
|
else
|
|
{
|
|
return etl::distance(begin(), iposition);
|
|
}
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type rfind(T c, size_type position = npos) const
|
|
{
|
|
return rfind(etl::basic_string_view<T, TTraits>(&c, 1), position);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type rfind(const T* text, size_type position, size_type count) const
|
|
{
|
|
return rfind(etl::basic_string_view<T, TTraits>(text, count), position);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type rfind(const T* text, size_type position = npos) const
|
|
{
|
|
return rfind(etl::basic_string_view<T, TTraits>(text), position);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Find first occurrence of characters
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 size_type find_first_of(etl::basic_string_view<T, TTraits> view, size_type position = 0) const
|
|
{
|
|
const size_t lengthtext = size();
|
|
|
|
if (position < lengthtext)
|
|
{
|
|
for (size_t i = position; i < lengthtext; ++i)
|
|
{
|
|
const size_t lengthview = view.size();
|
|
|
|
for (size_t j = 0UL; j < lengthview; ++j)
|
|
{
|
|
if (mbegin[i] == view[j])
|
|
{
|
|
return i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return npos;
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find_first_of(T c, size_type position = 0) const
|
|
{
|
|
return find_first_of(etl::basic_string_view<T, TTraits>(&c, 1), position);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find_first_of(const T* text, size_type position, size_type count) const
|
|
{
|
|
return find_first_of(etl::basic_string_view<T, TTraits>(text, count), position);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find_first_of(const T* text, size_type position = 0) const
|
|
{
|
|
return find_first_of(etl::basic_string_view<T, TTraits>(text), position);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Find last occurrence of characters
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 size_type find_last_of(etl::basic_string_view<T, TTraits> view, size_type position = npos) const
|
|
{
|
|
if (empty())
|
|
{
|
|
return npos;
|
|
}
|
|
|
|
position = etl::min(position, size() - 1);
|
|
|
|
const_reverse_iterator it = rbegin() + size() - position - 1;
|
|
|
|
while (it != rend())
|
|
{
|
|
const size_t viewlength = view.size();
|
|
|
|
for (size_t j = 0UL; j < viewlength; ++j)
|
|
{
|
|
if (mbegin[position] == view[j])
|
|
{
|
|
return position;
|
|
}
|
|
}
|
|
|
|
++it;
|
|
--position;
|
|
}
|
|
|
|
return npos;
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find_last_of(T c, size_type position = npos) const
|
|
{
|
|
return find_last_of(etl::basic_string_view<T, TTraits>(&c, 1), position);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find_last_of(const T* text, size_type position, size_type count) const
|
|
{
|
|
return find_last_of(etl::basic_string_view<T, TTraits>(text, count), position);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find_last_of(const T* text, size_type position = npos) const
|
|
{
|
|
return find_last_of(etl::basic_string_view<T, TTraits>(text), position);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Find first absence of characters
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 size_type find_first_not_of(etl::basic_string_view<T, TTraits> view, size_type position = 0) const
|
|
{
|
|
const size_t lengthtext = size();
|
|
|
|
if (position < lengthtext)
|
|
{
|
|
for (size_t i = position; i < lengthtext; ++i)
|
|
{
|
|
bool found = false;
|
|
|
|
const size_t viewlength = view.size();
|
|
|
|
for (size_t j = 0UL; j < viewlength; ++j)
|
|
{
|
|
if (mbegin[i] == view[j])
|
|
{
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
{
|
|
return i;
|
|
}
|
|
}
|
|
}
|
|
|
|
return npos;
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find_first_not_of(T c, size_type position = 0) const
|
|
{
|
|
return find_first_not_of(etl::basic_string_view<T, TTraits>(&c, 1), position);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find_first_not_of(const T* text, size_type position, size_type count) const
|
|
{
|
|
return find_first_not_of(etl::basic_string_view<T, TTraits>(text, count), position);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find_first_not_of(const T* text, size_type position = 0) const
|
|
{
|
|
return find_first_not_of(etl::basic_string_view<T, TTraits>(text), position);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Find last absence of characters
|
|
//*************************************************************************
|
|
ETL_CONSTEXPR14 size_type find_last_not_of(etl::basic_string_view<T, TTraits> view, size_type position = npos) const
|
|
{
|
|
if (empty())
|
|
{
|
|
return npos;
|
|
}
|
|
|
|
position = etl::min(position, size() - 1);
|
|
|
|
const_reverse_iterator it = rbegin() + size() - position - 1;
|
|
|
|
while (it != rend())
|
|
{
|
|
bool found = false;
|
|
|
|
const size_t viewlength = view.size();
|
|
|
|
for (size_t j = 0UL; j < viewlength; ++j)
|
|
{
|
|
if (mbegin[position] == view[j])
|
|
{
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
{
|
|
return position;
|
|
}
|
|
|
|
++it;
|
|
--position;
|
|
}
|
|
|
|
return npos;
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find_last_not_of(T c, size_type position = npos) const
|
|
{
|
|
return find_last_not_of(etl::basic_string_view<T, TTraits>(&c, 1), position);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find_last_not_of(const T* text, size_type position, size_type count) const
|
|
{
|
|
return find_last_not_of(etl::basic_string_view<T, TTraits>(text, count), position);
|
|
}
|
|
|
|
ETL_CONSTEXPR14 size_type find_last_not_of(const T* text, size_type position = npos) const
|
|
{
|
|
return find_last_not_of(etl::basic_string_view<T, TTraits>(text), position);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Equality for string_view.
|
|
//*************************************************************************
|
|
friend ETL_CONSTEXPR14 bool operator == (const etl::basic_string_view<T, TTraits>& lhs, const etl::basic_string_view<T, TTraits>& rhs)
|
|
{
|
|
return (lhs.size() == rhs.size()) &&
|
|
etl::equal(lhs.begin(), lhs.end(), rhs.begin());
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Inequality for string_view.
|
|
//*************************************************************************
|
|
friend ETL_CONSTEXPR14 bool operator != (const etl::basic_string_view<T, TTraits>& lhs, const etl::basic_string_view<T, TTraits>& rhs)
|
|
{
|
|
return !(lhs == rhs);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Less-than for string_view.
|
|
//*************************************************************************
|
|
friend ETL_CONSTEXPR14 bool operator < (const etl::basic_string_view<T, TTraits>& lhs, const etl::basic_string_view<T, TTraits>& rhs)
|
|
{
|
|
return etl::lexicographical_compare(lhs.begin(), lhs.end(), rhs.begin(), rhs.end());
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Greater-than for string_view.
|
|
//*************************************************************************
|
|
friend ETL_CONSTEXPR14 bool operator > (const etl::basic_string_view<T, TTraits>& lhs, const etl::basic_string_view<T, TTraits>& rhs)
|
|
{
|
|
return rhs < lhs;
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Less-than-equal for string_view.
|
|
//*************************************************************************
|
|
friend ETL_CONSTEXPR14 bool operator <= (const etl::basic_string_view<T, TTraits>& lhs, const etl::basic_string_view<T, TTraits>& rhs)
|
|
{
|
|
return !(lhs > rhs);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Greater-than-equal for string_view.
|
|
//*************************************************************************
|
|
friend ETL_CONSTEXPR14 bool operator >= (const etl::basic_string_view<T, TTraits>& lhs, const etl::basic_string_view<T, TTraits>& rhs)
|
|
{
|
|
return !(lhs < rhs);
|
|
}
|
|
|
|
private:
|
|
|
|
const_pointer mbegin;
|
|
const_pointer mend;
|
|
};
|
|
|
|
typedef etl::basic_string_view<char> string_view;
|
|
typedef etl::basic_string_view<wchar_t> wstring_view;
|
|
typedef etl::basic_string_view<char8_t> u8string_view;
|
|
typedef etl::basic_string_view<char16_t> u16string_view;
|
|
typedef etl::basic_string_view<char32_t> u32string_view;
|
|
|
|
//*************************************************************************
|
|
/// make_string_view.
|
|
//*************************************************************************
|
|
template<size_t Array_Size>
|
|
ETL_CONSTEXPR14 string_view make_string_view(const char(&text)[Array_Size])
|
|
{
|
|
size_t length = etl::char_traits<char>::length(text, Array_Size - 1U);
|
|
|
|
return string_view(text, length);
|
|
}
|
|
|
|
//***********************************
|
|
template<size_t Array_Size>
|
|
ETL_CONSTEXPR14 wstring_view make_string_view(const wchar_t(&text)[Array_Size])
|
|
{
|
|
size_t length = etl::char_traits<wchar_t>::length(text, Array_Size - 1U);
|
|
|
|
return wstring_view(text, length);
|
|
}
|
|
|
|
//***********************************
|
|
template<size_t Array_Size>
|
|
ETL_CONSTEXPR14 u8string_view make_string_view(const char8_t(&text)[Array_Size])
|
|
{
|
|
size_t length = etl::char_traits<char8_t>::length(text, Array_Size - 1U);
|
|
|
|
return u8string_view(text, length);
|
|
}
|
|
|
|
//***********************************
|
|
template<size_t Array_Size>
|
|
ETL_CONSTEXPR14 u16string_view make_string_view(const char16_t(&text)[Array_Size])
|
|
{
|
|
size_t length = etl::char_traits<char16_t>::length(text, Array_Size - 1U);
|
|
|
|
return u16string_view(text, length);
|
|
}
|
|
|
|
//***********************************
|
|
template<size_t Array_Size>
|
|
ETL_CONSTEXPR14 u32string_view make_string_view(const char32_t(&text)[Array_Size])
|
|
{
|
|
size_t length = etl::char_traits<char32_t>::length(text, Array_Size - 1U);
|
|
|
|
return u32string_view(text, length);
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Hash function.
|
|
//*************************************************************************
|
|
#if ETL_USING_8BIT_TYPES
|
|
template <>
|
|
struct hash<etl::string_view>
|
|
{
|
|
size_t operator()(const etl::string_view& 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_view>
|
|
{
|
|
size_t operator()(const etl::wstring_view& 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::u16string_view>
|
|
{
|
|
size_t operator()(const etl::u16string_view& 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::u32string_view>
|
|
{
|
|
size_t operator()(const etl::u32string_view& 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
|
|
}
|
|
|
|
//*************************************************************************
|
|
/// Swaps the values.
|
|
//*************************************************************************
|
|
template <typename T, typename TTraits >
|
|
void swap(etl::basic_string_view<T, TTraits>& lhs, etl::basic_string_view<T, TTraits>& rhs)
|
|
{
|
|
lhs.swap(rhs);
|
|
}
|
|
|
|
template <typename T>
|
|
void swap(etl::basic_string_view<T, etl::char_traits<T> >& lhs, etl::basic_string_view<T, etl::char_traits<T> >& rhs)
|
|
{
|
|
lhs.swap(rhs);
|
|
}
|
|
|
|
#include "private/minmax_pop.h"
|
|
|
|
#endif
|
|
|