rpcs3/Utilities/StrFmt.cpp

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#include "stdafx.h"
#include "StrFmt.h"
static const std::string fmt::placeholder = "???";
//wrapper to deal with advance sprintf formating options with automatic length finding
//can't take strings by reference because of "va_start", so overload it with char *
std::string fmt::FormatV(const char *fmt, va_list args)
{
int length = 256;
std::string str;
for (;;)
{
std::vector<char> buffptr(length);
size_t printlen = vsnprintf(buffptr.data(), length, fmt, args);
if (printlen >= 0 && printlen < length)
{
str = std::string(buffptr.data(), printlen);
break;
}
length *= 2;
}
return str;
}
std::string fmt::FormatV(std::string fmt, va_list args)
{
std::string str = FormatV(fmt.c_str(), args);
return str;
}
//convert a wxString to a std::string encoded in utf8
//CAUTION, only use this to interface with wxWidgets classes
std::string fmt::ToUTF8(const wxString& right)
{
auto ret = std::string(((const char *) right.utf8_str()));
return ret;
}
//convert a std::string encoded in utf8 to a wxString
//CAUTION, only use this to interface with wxWidgets classes
wxString fmt::FromUTF8(const std::string& right)
{
auto ret = wxString::FromUTF8(right.c_str());
return ret;
}
//TODO: remove this after every snippet that uses it is gone
//WARNING: not fully compatible with CmpNoCase from wxString
int fmt::CmpNoCase(const std::string& a, const std::string& b)
{
if (a.length() != b.length())
{
return -1;
}
else
{
return std::equal(a.begin(),
a.end(),
b.begin(),
[](const char& a, const char& b){return tolower(a) == tolower(b); })
? 0 : -1;
}
}