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#include "vcpkg_Strings.h"
#include <cstdarg>
#include <algorithm>
#include <codecvt>
#include <iterator>
namespace vcpkg {namespace Strings {namespace details
{
std::string format_internal(const char* fmtstr, ...)
{
va_list lst;
va_start(lst, fmtstr);
auto sz = _vscprintf(fmtstr, lst);
std::string output(sz, '\0');
_vsnprintf_s(&output[0], output.size() + 1, output.size() + 1, fmtstr, lst);
va_end(lst);
return output;
}
std::wstring wformat_internal(const wchar_t* fmtstr, ...)
{
va_list lst;
va_start(lst, fmtstr);
auto sz = _vscwprintf(fmtstr, lst);
std::wstring output(sz, '\0');
_vsnwprintf_s(&output[0], output.size() + 1, output.size() + 1, fmtstr, lst);
va_end(lst);
return output;
}
}}}
namespace vcpkg {namespace Strings
{
std::wstring utf8_to_utf16(const std::string& s)
{
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t> conversion;
return conversion.from_bytes(s);
}
std::string utf16_to_utf8(const std::wstring& w)
{
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t> conversion;
return conversion.to_bytes(w);
}
std::string::const_iterator case_insensitive_find(const std::string& s, const std::string& pattern)
{
std::string patter_as_lower_case;
std::transform(pattern.begin(), pattern.end(), back_inserter(patter_as_lower_case), tolower);
return search(s.begin(), s.end(), patter_as_lower_case.begin(), patter_as_lower_case.end(), [](const char a, const char b)
{
return (tolower(a) == b);
});
}
}}
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