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/*============================================================================
KWSys - Kitware System Library
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "kwsysPrivate.h"
#if defined(_MSC_VER)
# pragma warning (disable:4786)
#endif
#include KWSYS_HEADER(Encoding.hxx)
#include KWSYS_HEADER(ios/iostream)
#include <locale.h>
// Work-around CMake dependency scanning limitation. This must
// duplicate the above list of headers.
#if 0
# include "Encoding.hxx.in"
# include "kwsys_ios_iostream.h.in"
#endif
//----------------------------------------------------------------------------
static const unsigned char helloWorldStrings[][32] =
{
// English
{'H','e','l','l','o',' ','W','o','r','l','d',0},
// Japanese
{0xE3, 0x81, 0x93, 0xE3, 0x82, 0x93, 0xE3, 0x81, 0xAB, 0xE3,
0x81, 0xA1, 0xE3, 0x81, 0xAF, 0xE4, 0xB8, 0x96, 0xE7, 0x95,
0x8C, 0},
// Arabic
{0xD9, 0x85, 0xD8, 0xB1, 0xD8, 0xAD, 0xD8, 0xA8, 0xD8, 0xA7,
0x20, 0xD8, 0xA7, 0xD9, 0x84, 0xD8, 0xB9, 0xD8, 0xA7, 0xD9,
0x84, 0xD9, 0x85, 0},
// Yiddish
{0xD7, 0x94, 0xD7, 0xA2, 0xD7, 0x9C, 0xD7, 0x90, 0x20, 0xD7,
0x95, 0xD7, 0x95, 0xD7, 0xA2, 0xD7, 0x9C, 0xD7, 0x98, 0},
// Russian
{0xD0, 0xBF, 0xD1, 0x80, 0xD0, 0xB8, 0xD0, 0xB2, 0xD0, 0xB5,
0xD1, 0x82, 0x20, 0xD0, 0xBC, 0xD0, 0xB8, 0xD1, 0x80, 0},
// Latin
{0x4D, 0x75, 0x6E, 0x64, 0x75, 0x73, 0x20, 0x73, 0x61, 0x6C,
0x76, 0x65, 0},
// Swahili
{0x68, 0x75, 0x6A, 0x61, 0x6D, 0x62, 0x6F, 0x20, 0x44, 0x75,
0x6E, 0x69, 0x61, 0},
// Icelandic
{0x48, 0x61, 0x6C, 0x6C, 0xC3, 0xB3, 0x20, 0x68, 0x65, 0x69,
0x6D, 0x75, 0x72, 0},
{0}
};
//----------------------------------------------------------------------------
static int testHelloWorldEncoding()
{
int ret = 0;
for(int i=0; helloWorldStrings[i][0] != 0; i++)
{
std::string str = reinterpret_cast<const char*>(helloWorldStrings[i]);
std::cout << str << std::endl;
std::wstring wstr = kwsys::Encoding::ToWide(str);
std::string str2 = kwsys::Encoding::ToNarrow(wstr);
if(!wstr.empty() && str != str2)
{
std::cout << "converted string was different: " << str2 << std::endl;
ret++;
}
}
return ret;
}
static int testRobustEncoding()
{
// test that the conversion functions handle invalid
// unicode correctly/gracefully
int ret = 0;
char cstr[] = {(char)-1, 0};
// this conversion could fail
std::wstring wstr = kwsys::Encoding::ToWide(cstr);
wstr = kwsys::Encoding::ToWide(NULL);
if(wstr != L"")
{
const wchar_t* wcstr = wstr.c_str();
std::cout << "ToWide(NULL) returned";
for(size_t i=0; i<wstr.size(); i++)
{
std::cout << " " << std::hex << (int)wcstr[i];
}
std::cout << std::endl;
ret++;
}
wstr = kwsys::Encoding::ToWide("");
if(wstr != L"")
{
const wchar_t* wcstr = wstr.c_str();
std::cout << "ToWide(\"\") returned";
for(size_t i=0; i<wstr.size(); i++)
{
std::cout << " " << std::hex << (int)wcstr[i];
}
std::cout << std::endl;
ret++;
}
#ifdef WIN32
// 16 bit wchar_t - we make an invalid surrogate pair
wchar_t cwstr[] = {0xD801, 0xDA00, 0};
// this conversion could fail
std::string win_str = kwsys::Encoding::ToNarrow(cwstr);
#endif
std::string str = kwsys::Encoding::ToNarrow(NULL);
if(str != "")
{
std::cout << "ToNarrow(NULL) returned " << str << std::endl;
ret++;
}
str = kwsys::Encoding::ToNarrow(L"");
if(wstr != L"")
{
std::cout << "ToNarrow(\"\") returned " << str << std::endl;
ret++;
}
return ret;
}
//----------------------------------------------------------------------------
int testEncoding(int, char*[])
{
const char* loc = setlocale(LC_ALL, "");
if(loc)
{
std::cout << "Locale: " << loc << std::endl;
}
else
{
std::cout << "Locale: None" << std::endl;
}
int ret = 0;
ret |= testHelloWorldEncoding();
ret |= testRobustEncoding();
return ret;
}
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