Stefan Scholz
Containers (STL-compatible) StateMachines MessageBus and more for Embedded Systems. See www.etlcpp.com
Diff: string_view.h
- Revision:
- 0:b47c2a7920c2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/string_view.h Fri Mar 16 16:34:18 2018 +0000
@@ -0,0 +1,876 @@
+///\file
+
+/******************************************************************************
+The MIT License(MIT)
+
+Embedded Template Library.
+https://github.com/ETLCPP/etl
+https://www.etlcpp.com
+
+Copyright(c) 2017 jwellbelove
+
+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__
+#define __ETL_STRING_VIEW__
+
+#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 <algorithm>
+
+///\defgroup array array
+/// A wrapper for arrays
+///\ingroup containers
+
+#undef ETL_FILE
+#define ETL_FILE "42"
+
+#ifdef ETL_COMPILER_MICROSOFT
+#undef min
+#undef max
+#endif
+
+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_FILE"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_FILE"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 std::size_t size_type;
+ typedef const T& const_reference;
+ typedef const T* const_pointer;
+ typedef const T* const_iterator;
+ typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
+
+ enum
+ {
+ npos = etl::integral_limits<size_t>::max
+ };
+
+ //*************************************************************************
+ /// Default constructor.
+ //*************************************************************************
+ basic_string_view()
+ : mbegin(std::nullptr),
+ mend(std::nullptr)
+ {
+ }
+
+ //*************************************************************************
+ /// Construct from T*.
+ //*************************************************************************
+ basic_string_view(const T* begin_)
+ : mbegin(begin_),
+ mend(begin_ + TTraits::length(begin_))
+ {
+ }
+
+ //*************************************************************************
+ /// Construct from pointer range.
+ //*************************************************************************
+ basic_string_view(const T* begin_, const T* end_)
+ : mbegin(begin_),
+ mend(end_)
+ {
+ }
+
+ //*************************************************************************
+ /// Construct from iterator/size.
+ //*************************************************************************
+ template <typename TSize, typename TDummy = typename etl::enable_if<etl::is_integral<TSize>::value, void>::type>
+ basic_string_view(const T* begin_, TSize size_)
+ : mbegin(begin_),
+ mend(begin_ + size_)
+ {
+ }
+
+ //*************************************************************************
+ /// Copy constructor
+ //*************************************************************************
+ basic_string_view(const basic_string_view& other)
+ : mbegin(other.mbegin),
+ mend(other.mend)
+ {
+ }
+
+ //*************************************************************************
+ /// Returns a const reference to the first element.
+ //*************************************************************************
+ const_reference front() const
+ {
+ return *mbegin;
+ }
+
+ //*************************************************************************
+ /// Returns a const reference to the last element.
+ //*************************************************************************
+ const_reference back() const
+ {
+ return *(mend - 1);
+ }
+
+ //*************************************************************************
+ /// Returns a const pointer to the first element of the internal storage.
+ //*************************************************************************
+ const_pointer data() const
+ {
+ return mbegin;
+ }
+
+ //*************************************************************************
+ /// Returns a const iterator to the beginning of the array.
+ //*************************************************************************
+ const_iterator begin() const
+ {
+ return mbegin;
+ }
+
+ //*************************************************************************
+ /// Returns a const iterator to the beginning of the array.
+ //*************************************************************************
+ const_iterator cbegin() const
+ {
+ return mbegin;
+ }
+
+ //*************************************************************************
+ /// Returns a const iterator to the end of the array.
+ //*************************************************************************
+ const_iterator end() const
+ {
+ return mend;
+ }
+
+ //*************************************************************************
+ // Returns a const iterator to the end of the array.
+ //*************************************************************************
+ const_iterator cend() const
+ {
+ return mend;
+ }
+
+ //*************************************************************************
+ /// Returns a const reverse iterator to the reverse beginning of the array.
+ //*************************************************************************
+ const_reverse_iterator rbegin() const
+ {
+ return const_reverse_iterator(mend);
+ }
+
+ //*************************************************************************
+ /// Returns a const reverse iterator to the reverse beginning of the array.
+ //*************************************************************************
+ const_reverse_iterator crbegin() const
+ {
+ return const_reverse_iterator(mend);
+ }
+
+ //*************************************************************************
+ /// Returns a const reverse iterator to the end of the array.
+ //*************************************************************************
+ const_reverse_iterator rend() const
+ {
+ return const_reverse_iterator(mbegin);
+ }
+
+ //*************************************************************************
+ /// Returns a const reverse iterator to the end of the array.
+ //*************************************************************************
+ const_reverse_iterator crend() const
+ {
+ return const_reverse_iterator(mbegin);
+ }
+
+ //*************************************************************************
+ // Capacity
+ //*************************************************************************
+
+ //*************************************************************************
+ /// Returns <b>true</b> if the array size is zero.
+ //*************************************************************************
+ bool empty() const
+ {
+ return (mbegin == mend);
+ }
+
+ //*************************************************************************
+ /// Returns the size of the array.
+ //*************************************************************************
+ size_t size() const
+ {
+ return (mend - mbegin);
+ }
+
+ //*************************************************************************
+ /// Returns the size of the array.
+ //*************************************************************************
+ size_t length() const
+ {
+ return size();
+ }
+
+ //*************************************************************************
+ /// Returns the maximum possible size of the array.
+ //*************************************************************************
+ size_t max_size() const
+ {
+ return size();
+ }
+
+ //*************************************************************************
+ /// Assign from a view.
+ //*************************************************************************
+ 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
+ //*************************************************************************
+ template <typename TIterator,
+ typename TDummy = typename etl::enable_if<etl::is_random_iterator<TIterator>::value, void>::type>
+ void assign(TIterator begin_, TIterator end_)
+ {
+ mbegin = etl::addressof(*begin_);
+ mend = etl::addressof(*begin_) + std::distance(begin_, end_);
+ }
+
+ //*************************************************************************
+ /// Assign from iterator and size.
+ //*************************************************************************
+ template <typename TIterator,
+ typename TSize,
+ typename TDummy = typename etl::enable_if<etl::is_random_iterator<TIterator>::value, void>::type>
+ void assign(TIterator begin_, TSize size_)
+ {
+ mbegin = etl::addressof(*begin_);
+ mend = etl::addressof(*begin_) + size_;
+ }
+
+ //*************************************************************************
+ /// Returns a const reference to the indexed value.
+ //*************************************************************************
+ 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 != std::nullptr && mend != std::nullptr), ETL_ERROR(string_view_uninitialised));
+ ETL_ASSERT(i < size(), ETL_ERROR(string_view_bounds));
+ return mbegin[i];
+ }
+
+ //*************************************************************************
+ /// Swaps with another basic_string_view.
+ //*************************************************************************
+ void swap(basic_string_view& other)
+ {
+ std::swap(mbegin, other.mbegin);
+ std::swap(mend, other.mend);
+ }
+
+ //*************************************************************************
+ /// Copies characters
+ //*************************************************************************
+ size_type copy(T* destination, size_type count, size_type position = 0) const
+ {
+ size_t n = 0;
+
+ if (position < size())
+ {
+ n = std::min(count, size() - position);
+
+ std::copy(mbegin + position, mbegin + position + n, destination);
+ }
+
+ return n;
+ }
+
+ //*************************************************************************
+ /// Returns a substring
+ //*************************************************************************
+ basic_string_view substr(size_type position = 0, size_type count = npos) const
+ {
+ basic_string_view view;
+
+ if (position < size())
+ {
+ size_t n = std::min(count, size() - position);
+
+ view = basic_string_view(mbegin + position, mbegin + position + n);
+ }
+
+ return view;
+ }
+
+ //*************************************************************************
+ /// Shrinks the view by moving its start forward.
+ //*************************************************************************
+ void remove_prefix(size_type n)
+ {
+ mbegin += n;
+ }
+
+ //*************************************************************************
+ /// Shrinks the view by moving its end backward.
+ //*************************************************************************
+ void remove_suffix(size_type n)
+ {
+ mend -= n;
+ }
+
+ //*************************************************************************
+ /// Compares two views
+ //*************************************************************************
+ int compare(basic_string_view<T, TTraits> view) const
+ {
+ return (*this == view) ? 0 : ((*this > view) ? 1 : -1);
+ }
+
+ int compare(size_type position, size_type count, basic_string_view view) const
+ {
+ return substr(position, count).compare(view);
+ }
+
+ 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));
+ }
+
+ int compare(const T* text) const
+ {
+ return compare(etl::basic_string_view<T, TTraits>(text));
+ }
+
+ int compare(size_type position, size_type count, const T* text) const
+ {
+ return substr(position, count).compare(etl::basic_string_view<T, TTraits>(text));
+ }
+
+ 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
+ //*************************************************************************
+ bool starts_with(etl::basic_string_view<T, TTraits> view) const
+ {
+ return (size() >= view.size()) &&
+ (compare(0, view.size(), view) == 0);
+ }
+
+ bool starts_with(T c) const
+ {
+ return !empty() && (front() == c);
+ }
+
+ 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
+ //*************************************************************************
+ bool ends_with(etl::basic_string_view<T, TTraits> view) const
+ {
+ return (size() >= view.size()) &&
+ (compare(size() - view.size(), npos, view) == 0);
+ }
+
+ bool ends_with(T c) const
+ {
+ return !empty() && (back() == c);
+ }
+
+ 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
+ //*************************************************************************
+ size_type find(etl::basic_string_view<T, TTraits> view, size_type position = 0) const
+ {
+ if ((size() < view.size()))
+ {
+ return npos;
+ }
+
+ const_iterator iposition = std::search(begin() + position, end(), view.begin(), view.end());
+
+ if (iposition == end())
+ {
+ return npos;
+ }
+ else
+ {
+ return std::distance(begin(), iposition);
+ }
+ }
+
+ size_type find(T c, size_type position = 0) const
+ {
+ return find(etl::basic_string_view<T, TTraits>(&c, 1), position);
+ }
+
+ size_type find(const T* text, size_type position, size_type count) const
+ {
+ return find(etl::basic_string_view<T, TTraits>(text, count), position);
+ }
+
+ 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
+ //*************************************************************************
+ size_type rfind(etl::basic_string_view<T, TTraits> view, size_type position = npos) const
+ {
+ if ((size() < view.size()))
+ {
+ return npos;
+ }
+
+ position = std::min(position, size());
+
+ const_iterator iposition = std::find_end(begin(),
+ begin() + position,
+ view.begin(),
+ view.end());
+
+ if (iposition == end())
+ {
+ return npos;
+ }
+ else
+ {
+ return std::distance(begin(), iposition);
+ }
+ }
+
+ size_type rfind(T c, size_type position = npos) const
+ {
+ return rfind(etl::basic_string_view<T, TTraits>(&c, 1), position);
+ }
+
+ size_type rfind(const T* text, size_type position, size_type count) const
+ {
+ return rfind(etl::basic_string_view<T, TTraits>(text, count), position);
+ }
+
+ 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
+ //*************************************************************************
+ 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 = 0; j < lengthview; ++j)
+ {
+ if (mbegin[i] == view[j])
+ {
+ return i;
+ }
+ }
+ }
+ }
+
+ return npos;
+ }
+
+ 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);
+ }
+
+ 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);
+ }
+
+ 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
+ //*************************************************************************
+ size_type find_last_of(etl::basic_string_view<T, TTraits> view, size_type position = npos) const
+ {
+ if (empty())
+ {
+ return npos;
+ }
+
+ position = std::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 = 0; j < viewlength; ++j)
+ {
+ if (mbegin[position] == view[j])
+ {
+ return position;
+ }
+ }
+
+ ++it;
+ --position;
+ }
+
+ return npos;
+ }
+
+ 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);;
+ }
+
+ 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);;
+ }
+
+ 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
+ //*************************************************************************
+ 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 = 0; j < viewlength; ++j)
+ {
+ if (mbegin[i] == view[j])
+ {
+ found = true;
+ }
+ }
+
+ if (!found)
+ {
+ return i;
+ }
+ }
+ }
+
+ return npos;
+ }
+
+ 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);
+ }
+
+ 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);
+ }
+
+ 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
+ //*************************************************************************
+ size_type find_last_not_of(etl::basic_string_view<T, TTraits> view, size_type position = npos) const
+ {
+ if (empty())
+ {
+ return npos;
+ }
+
+ position = std::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 = 0; j < viewlength; ++j)
+ {
+ if (mbegin[position] == view[j])
+ {
+ found = true;
+ }
+ }
+
+ if (!found)
+ {
+ return position;
+ }
+
+ ++it;
+ --position;
+ }
+
+ return npos;
+ }
+
+ 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);;
+ }
+
+ 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);;
+ }
+
+ 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 array views.
+ //*************************************************************************
+ friend bool operator == (const etl::basic_string_view<T, TTraits>& lhs, const etl::basic_string_view<T, TTraits>& rhs)
+ {
+ return (lhs.size() == rhs.size()) &&
+ std::equal(lhs.begin(), lhs.end(), rhs.begin());
+ }
+
+ //*************************************************************************
+ /// Inequality for array views.
+ //*************************************************************************
+ friend bool operator != (const etl::basic_string_view<T, TTraits>& lhs, const etl::basic_string_view<T, TTraits>& rhs)
+ {
+ return !(lhs == rhs);
+ }
+
+ //*************************************************************************
+ /// Less-than for array views.
+ //*************************************************************************
+ friend bool operator < (const etl::basic_string_view<T, TTraits>& lhs, const etl::basic_string_view<T, TTraits>& rhs)
+ {
+ return std::lexicographical_compare(lhs.begin(), lhs.end(), rhs.begin(), rhs.end());
+ }
+
+ //*************************************************************************
+ /// Greater-than for array views.
+ //*************************************************************************
+ friend 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 array views.
+ //*************************************************************************
+ friend 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 array views.
+ //*************************************************************************
+ friend bool operator >= (const etl::basic_string_view<T, TTraits>& lhs, const etl::basic_string_view<T, TTraits>& rhs)
+ {
+ return !(lhs < rhs);
+ }
+
+ private:
+
+ const T* mbegin;
+ const T* mend;
+ };
+
+ typedef etl::basic_string_view<char> string_view;
+ typedef etl::basic_string_view<wchar_t> wstring_view;
+ typedef etl::basic_string_view<char16_t> u16string_view;
+ typedef etl::basic_string_view<char32_t> u32string_view;
+
+ //*************************************************************************
+ /// Hash function.
+ //*************************************************************************
+#if ETL_8BIT_SUPPORT
+ 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[0]),
+ reinterpret_cast<const uint8_t*>(&text[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[0]),
+ reinterpret_cast<const uint8_t*>(&text[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[0]),
+ reinterpret_cast<const uint8_t*>(&text[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[0]),
+ reinterpret_cast<const uint8_t*>(&text[text.size()]));
+ }
+ };
+#endif
+}
+
+//*************************************************************************
+/// Swaps the values.
+//*************************************************************************
+template <typename T, typename TTraits = etl::char_traits<T>>
+void swap(etl::basic_string_view<T, TTraits>& lhs, etl::basic_string_view<T, TTraits>& rhs)
+{
+ lhs.swap(rhs);
+}
+
+#ifdef ETL_COMPILER_MICROSOFT
+#define min(a,b) (((a) < (b)) ? (a) : (b))
+#define max(a,b) (((a) > (b)) ? (a) : (b))
+#endif
+
+#undef ETL_FILE
+
+#endif
+
+