52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
#ifndef CONVERSION_UTILITIES_WIDEN_H
|
|
#define CONVERSION_UTILITIES_WIDEN_H
|
|
|
|
#include "../global.h"
|
|
|
|
#include <functional>
|
|
#include <iostream>
|
|
#include <locale>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
namespace ConversionUtilities {
|
|
|
|
/*!
|
|
* \brief Converts a std::string to a wide string using the specified locale.
|
|
* \deprecated Might be removed in future release because not used anymore. Use iconv based string converion functions instead.
|
|
*/
|
|
template <class E, class T = std::char_traits<E>, class A = std::allocator<E>>
|
|
class CPP_UTILITIES_EXPORT Widen : public std::unary_function<const std::string &, std::basic_string<E, T, A>> {
|
|
public:
|
|
/*!
|
|
* \brief Constructs a new instance with the specified \a locale.
|
|
*/
|
|
Widen(const std::locale &locale = std::locale())
|
|
: m_loc(locale)
|
|
, m_pctype(&std::use_facet<std::ctype<E>>(locale))
|
|
{
|
|
}
|
|
|
|
Widen(const Widen &) = delete;
|
|
Widen &operator=(const Widen &) = delete;
|
|
|
|
/*!
|
|
* \brief Performs the conversation for the provided \a string.
|
|
*/
|
|
std::basic_string<E, T, A> operator()(const std::string &string) const
|
|
{
|
|
typename std::basic_string<E, T, A>::size_type srcLen = string.length();
|
|
const char *srcBeg = string.c_str();
|
|
std::vector<E> tmp(srcLen);
|
|
m_pctype->widen(srcBeg, srcBeg + srcLen, &tmp[0]);
|
|
return std::basic_string<E, T, A>(&tmp[0], srcLen);
|
|
}
|
|
|
|
private:
|
|
std::locale m_loc;
|
|
const std::ctype<E> *m_pctype;
|
|
};
|
|
} // namespace ConversionUtilities
|
|
|
|
#endif // CONVERSION_UTILITIES_WIDEN_H
|