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#include "GrPlatform.h"
#ifdef _WIN32
#include "windows.h"
namespace gr
{
size_t Platform_UnicodeToANSI(const utf16 * prgchwSrc, size_t cchwSrc, char * prgchsDst, size_t cchsDst)
{
return ::WideCharToMultiByte(CP_ACP, 0, (LPCWSTR)prgchwSrc, cchwSrc, prgchsDst, cchsDst, NULL, NULL);
}
size_t Platform_AnsiToUnicode(const char * prgchsSrc, size_t cchsSrc, utf16 * prgchwDst, size_t cchwDst)
{
return ::MultiByteToWideChar(CP_ACP, 0, prgchsSrc, cchsSrc, (LPWSTR)prgchwDst, cchwDst);
}
size_t Platform_8bitToUnicode(int nCodePage, const char * prgchsSrc, int cchsSrc,
utf16 * prgchwDst, int cchwDst)
{
return ::MultiByteToWideChar(nCodePage, 0, prgchsSrc, cchsSrc, (LPWSTR)prgchwDst, cchwDst);
}
size_t utf8len(const char *s)
{
return mbstowcs(NULL,s,0);
}
utf16 *utf16cpy(utf16 *dest, const utf16 *src)
{
return (utf16*)wcscpy((wchar_t*)dest, (const wchar_t*)src);
}
utf16 *utf16ncpy(utf16 *dest, const utf16 *src, size_t n)
{
return (utf16*)wcsncpy((wchar_t*)dest, (const wchar_t*)src, n);
}
utf16 *utf16ncpy(utf16 *dest, const char *src, size_t n)
{
#ifdef UTF16DEBUG
std::cerr << "utf16ncpy8: " << src << std::endl;
#endif
Platform_AnsiToUnicode(src, strlen(src), dest, n);
return dest;
}
size_t utf16len(const utf16 *s)
{
return wcslen((const wchar_t*)s);
}
int utf16cmp(const utf16 *s1, const utf16 *s2)
{
return wcscmp((const wchar_t*)s1, (const wchar_t*)s2);
}
int utf16ncmp(const utf16 *s1, const utf16 *s2, size_t n)
{
return wcsncmp((const wchar_t*)s1, (const wchar_t*)s2, n);
}
int utf16cmp(const utf16 *s1, const char *s2)
{
while (*s1 && s2)
{
if (*s1 < *s2)
{
return -1;
}
if (*s1 > *s2)
{
return 1;
}
*s1++;
*s2++;
}
if (*s1) return -1;
else if (*s2) return 1;
return 0;
}
}
#else // not _WIN32
#include <iostream>
#include <stdlib.h>
#include <string.h>
#ifndef HAVE_FABSF
float fabsf(float x)
{
return (x < 0.0f) ? -x : x;
}
#endif
namespace gr
{
size_t utf16len(const utf16 *s)
{
// assumes NULL terminated strings
const utf16 *start = s;
for (; *s; ++s);
return s - start;
}
} // namespace gr
#endif // _WIN32
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