OpenTTD/src/misc/strapi.hpp

102 lines
2.8 KiB
C++

/* $Id$ */
/** @file strapi.hpp */
#ifndef STRAPI_HPP
#define STRAPI_HPP
#include <string.h>
#if defined(HAS_WCHAR)
#include <wchar.h>
#if !defined(_MSC_VER)
#define _stricmp strcmp
#define _wcsicmp wcscmp
#endif /* !defined(_MSC_VER) */
#endif /* HAS_WCHAR */
/** String API mapper base - just mapping by character type, not by case sensitivity yet.
* Class template CStrApiBaseT declaration is general, but following inline method
* definitions are specialized by character type. Class is not used directly, but only
* as a base class for template class CStrApiT */
template <typename Tchar>
class CStrApiBaseT
{
public:
/** ::strlen wrapper */
static size_t StrLen(const Tchar *s);
static int SPrintFL(Tchar *buf, size_t count, const Tchar *fmt, va_list args);
};
/** ::strlen wrapper specialization for char */
template <> /*static*/ inline size_t CStrApiBaseT<char>::StrLen(const char *s)
{
return ::strlen(s);
}
/** ::vsprintf wrapper specialization for char */
template <> /*static*/ inline int CStrApiBaseT<char>::SPrintFL(char *buf, size_t count, const char *fmt, va_list args)
{
#if defined(_MSC_VER) && (_MSC_VER >= 1400) && !defined(WINCE) // VC 8.0 and above
return ::vsnprintf_s(buf, count, count - 1, fmt, args);
#else /* ! VC 8.0 and above */
return ::vsnprintf(buf, count, fmt, args);
#endif
}
#if defined(HAS_WCHAR)
/** ::strlen wrapper specialization for wchar_t */
template <> /*static*/ inline size_t CStrApiBaseT<wchar_t>::StrLen(const wchar_t *s)
{
return ::wcslen(s);
}
/** ::vsprintf wrapper specialization for wchar_t */
template <> /*static*/ inline int CStrApiBaseT<wchar_t>::SPrintFL(wchar_t *buf, size_t count, const wchar_t *fmt, va_list args)
{
#if defined(_MSC_VER) && (_MSC_VER >= 1400) && !defined(WINCE) // VC 8.0 and above
return ::_vsnwprintf_s(buf, count, count - 1, fmt, args);
#else /* ! VC 8.0 and above */
# if defined(_WIN32)
return ::_vsnwprintf(buf, count, fmt, args);
# else /* !_WIN32 */
return ::vswprintf(buf, count, fmt, args);
# endif /* !_WIN32 */
#endif
}
#endif /* HAS_WCHAR */
template <typename Tchar, bool TcaseInsensitive>
class CStrApiT : public CStrApiBaseT<Tchar>
{
public:
static int StrCmp(const Tchar *s1, const Tchar *s2);
};
template <> /*static*/ inline int CStrApiT<char, false>::StrCmp(const char *s1, const char *s2)
{
return ::strcmp(s1, s2);
}
template <> /*static*/ inline int CStrApiT<char, true>::StrCmp(const char *s1, const char *s2)
{
return ::_stricmp(s1, s2);
}
#if defined(HAS_WCHAR)
template <> /*static*/ inline int CStrApiT<wchar_t, false>::StrCmp(const wchar_t *s1, const wchar_t *s2)
{
return ::wcscmp(s1, s2);
}
template <> /*static*/ inline int CStrApiT<wchar_t, true>::StrCmp(const wchar_t *s1, const wchar_t *s2)
{
return ::_wcsicmp(s1, s2);
}
#endif /* HAS_WCHAR */
#endif /* STRAPI_HPP */