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Merge pull request #4390

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a0613532 secure_pwd_reader: Add proper Unicode handling [Ryo contribution] (fireice-uk)
579383c2 simplewallet: Add Unicode input_line [Ryo backport] (fireice-uk)
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Riccardo Spagni 2018-10-05 23:12:42 +02:00
commit 445d9c86f2
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4 changed files with 57 additions and 58 deletions
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50
src/simplewallet/simplewallet.cpp
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@ -137,47 +137,6 @@ namespace
const command_line::arg_descriptor< std::vector<std::string> > arg_command = {"command", ""};
#ifdef WIN32
// Translate from CP850 to UTF-8;
// std::getline for a Windows console returns a string in CP437 or CP850; as simplewallet,
// like all of Monero, is assumed to work internally with UTF-8 throughout, even on Windows
// (although only implemented partially), a translation to UTF-8 is needed for input.
//
// Note that if a program is started inside the MSYS2 shell somebody already translates
// console input to UTF-8, but it's not clear how one could detect that in order to avoid
// double-translation; this code here thus breaks UTF-8 input within a MSYS2 shell,
// unfortunately.
//
// Note also that input for passwords is NOT translated, to remain compatible with any
// passwords containing special characters that predate this switch to UTF-8 support.
template<typename T>
static T cp850_to_utf8(const T &cp850_str)
{
boost::locale::generator gen;
gen.locale_cache_enabled(true);
std::locale loc = gen("en_US.CP850");
const boost::locale::conv::method_type how = boost::locale::conv::default_method;
T result;
const char *begin = cp850_str.data();
const char *end = begin + cp850_str.size();
result.reserve(end-begin);
typedef std::back_insert_iterator<T> inserter_type;
inserter_type inserter(result);
boost::locale::utf::code_point c;
while(begin!=end) {
c=boost::locale::utf::utf_traits<char>::template decode<char const *>(begin,end);
if(c==boost::locale::utf::illegal || c==boost::locale::utf::incomplete) {
if(how==boost::locale::conv::stop)
throw boost::locale::conv::conversion_error();
}
else {
boost::locale::utf::utf_traits<char>::template encode<inserter_type>(c,inserter);
}
}
return result;
}
#endif
std::string input_line(const std::string& prompt)
{
#ifdef HAVE_READLINE
@ -186,9 +145,10 @@ namespace
std::cout << prompt;
std::string buf;
#ifdef _WIN32
buf = tools::input_line_win();
#else
std::getline(std::cin, buf);
#ifdef WIN32
buf = cp850_to_utf8(buf);
#endif
return epee::string_tools::trim(buf);
@ -208,10 +168,6 @@ namespace
epee::wipeable_string buf = pwd_container->password();
#ifdef WIN32
buf = cp850_to_utf8(buf);
#endif
buf.trim();
return buf;
}