to_string.h

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/******************************************************************************
The MIT License(MIT)
 
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
 
Copyright(c) 2019 John Wellbelove
 
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#ifndef ETL_TO_STRING_INCLUDED
#define ETL_TO_STRING_INCLUDED

 
#include "platform.h"
#include "format_spec.h"
#include "string.h"
#include "type_traits.h"
#include "private/to_string_helper.h"
 
namespace etl
{
  //***************************************************************************
  //***************************************************************************
  template <typename T>
  typename etl::enable_if<!etl::is_same<T, etl::istring>::value && !etl::is_same<T, etl::string_view>::value, const etl::istring&>::type
    to_string(const T value, etl::istring& str, bool append = false)
  {
    etl::format_spec format;
 
    return private_to_string::to_string(value, str, format, append);
  }
 
  //***************************************************************************
  //***************************************************************************
  template <typename T>
  typename etl::enable_if<!etl::is_same<T, etl::istring>::value && !etl::is_same<T, etl::string_view>::value, const etl::istring&>::type
    to_string(const T value, etl::istring& str, const etl::format_spec& format, bool append = false)
  {
    return private_to_string::to_string(value, str, format, append);
  }
 
  //***************************************************************************
  //***************************************************************************
  template <typename T>
  typename etl::enable_if<!etl::is_same<T, etl::istring>::value && !etl::is_same<T, etl::string_view>::value, const etl::istring&>::type
    to_string(const T value, uint32_t denominator_exponent, etl::istring& str, bool append = false)
  {
    etl::format_spec format;
 
    return private_to_string::to_string(value, denominator_exponent, str, format, append);
  }
 
  //***************************************************************************
  //***************************************************************************
  template <typename T>
  typename etl::enable_if<!etl::is_same<T, etl::istring>::value && !etl::is_same<T, etl::string_view>::value, const etl::istring&>::type
    to_string(const T value, uint32_t denominator_exponent, etl::istring& str, const etl::format_spec& format, bool append = false)
  {
    return private_to_string::to_string(value, denominator_exponent, str, format, append);
  }
 
  //***************************************************************************
  //***************************************************************************
  template <typename T>
  typename etl::enable_if<etl::is_same<T, etl::istring>::value, const etl::istring&>::type to_string(const T& value, etl::istring& str,
                                                                                                     bool append = false)
  {
    etl::format_spec format;
 
    private_to_string::add_string(value, str, format, append);
 
    return str;
  }
 
  //***************************************************************************
  //***************************************************************************
  template <typename T>
  typename etl::enable_if<etl::is_same<T, etl::istring>::value, const etl::istring&>::type
    to_string(const etl::istring& value, T& str, const etl::format_spec& format, bool append = false)
  {
    private_to_string::add_string(value, str, format, append);
 
    return str;
  }
 
  //***************************************************************************
  //***************************************************************************
  template <typename T>
  typename etl::enable_if<etl::is_same<T, etl::string_view>::value, const etl::istring&>::type to_string(T value, etl::istring& str,
                                                                                                         bool append = false)
  {
    etl::format_spec format;
 
    private_to_string::add_string_view(value, str, format, append);
 
    return str;
  }
 
  //***************************************************************************
  //***************************************************************************
  template <typename T>
  typename etl::enable_if<etl::is_same<T, etl::string_view>::value, const etl::istring&>::type
    to_string(T value, etl::istring& str, const etl::format_spec& format, bool append = false)
  {
    private_to_string::add_string_view(value, str, format, append);
 
    return str;
  }
} // namespace etl
 
#endif