word.h

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#pragma once
 
#include <algorithm>
#include <optional>
#include <string>
#include <string_view>
 
#include "faker-cxx/export.h"
#include "faker-cxx/helper.h"
#include "faker-cxx/types/locale.h"
 
namespace faker::word
{
FAKER_CXX_EXPORT std::string_view sample(std::optional<unsigned> length = std::nullopt, Locale locale = Locale::en_US);
 
FAKER_CXX_EXPORT std::string words(unsigned numberOfWords = 1, Locale locale = Locale::en_US);
 
FAKER_CXX_EXPORT std::string_view adjective(std::optional<unsigned> length = std::nullopt,
                                            Locale locale = Locale::en_US);
 
FAKER_CXX_EXPORT std::string_view adjectiveLocale(unsigned length = 0, Locale locale = Locale::en_US);
 
FAKER_CXX_EXPORT std::string_view adverb(std::optional<unsigned> length = std::nullopt, Locale locale = Locale::en_US);
 
FAKER_CXX_EXPORT std::string_view conjunction(std::optional<unsigned> length = std::nullopt,
                                              Locale locale = Locale::en_US);
 
FAKER_CXX_EXPORT std::string_view interjection(std::optional<unsigned> length = std::nullopt,
                                               Locale locale = Locale::en_US);
 
FAKER_CXX_EXPORT std::string_view noun(std::optional<unsigned> length = std::nullopt, Locale locale = Locale::en_US);
 
FAKER_CXX_EXPORT std::string_view preposition(std::optional<unsigned> length = std::nullopt,
                                              Locale locale = Locale::en_US);
 
FAKER_CXX_EXPORT std::string_view verb(std::optional<unsigned> length = std::nullopt, Locale locale = Locale::en_US);
 
template <std::ranges::range Range>
auto sortedSizeRandomElement(std::optional<unsigned int> length, Range&& range) -> decltype(auto)
{
    if (!length)
    {
        return helper::randomElement(range);
    }
 
    size_t length_64 = *length;
    auto start = range.begin();
    auto end = range.end();
 
    auto lower_it = ::std::lower_bound(start, end, length_64,
                                       [](const auto& lhs, const auto& value) { return lhs.size() < value; });
 
    if (lower_it == end)
    {
        return helper::randomElement(range);
    }
 
    if (lower_it->size() != length)
    {
        return *lower_it;
    }
 
    auto upper_it = lower_it;
 
    for (; upper_it != end; upper_it++)
    {
        if (upper_it->size() != lower_it->size())
        {
            break;
        }
    }
 
    return helper::randomElement(std::ranges::subrange(lower_it, upper_it));
}
}