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// PropVariantConv.cpp
#include "StdAfx.h"
#include "../Common/IntToString.h"
#include "Defs.h"
#include "PropVariantConv.h"
#define UINT_TO_STR_2(c, val) { s[0] = (c); s[1] = (char)('0' + (val) / 10); s[2] = (char)('0' + (val) % 10); s += 3; }
static const unsigned k_TimeStringBufferSize = 64;
bool g_Timestamp_Show_UTC;
#if 0
bool g_Timestamp_Show_DisableZ;
bool g_Timestamp_Show_TDelimeter;
bool g_Timestamp_Show_ZoneOffset;
#endif
Z7_NO_INLINE
bool ConvertUtcFileTimeToString2(const FILETIME &utc, unsigned ns100, char *s, int level, unsigned flags) throw()
{
*s = 0;
FILETIME ft;
#if 0
Int64 bias64 = 0;
#endif
const bool show_utc =
(flags & kTimestampPrintFlags_Force_UTC) ? true :
(flags & kTimestampPrintFlags_Force_LOCAL) ? false :
g_Timestamp_Show_UTC;
if (show_utc)
ft = utc;
else
{
if (!FileTimeToLocalFileTime(&utc, &ft))
return false;
#if 0
if (g_Timestamp_Show_ZoneOffset)
{
const UInt64 utc64 = (((UInt64)utc.dwHighDateTime) << 32) + utc.dwLowDateTime;
const UInt64 loc64 = (((UInt64) ft.dwHighDateTime) << 32) + ft.dwLowDateTime;
bias64 = (Int64)utc64 - (Int64)loc64;
}
#endif
}
SYSTEMTIME st;
if (!BOOLToBool(FileTimeToSystemTime(&ft, &st)))
{
// win10 : that function doesn't work, if bit 63 of 64-bit FILETIME is set.
return false;
}
{
unsigned val = st.wYear;
if (val >= 10000)
{
*s++ = (char)('0' + val / 10000);
val %= 10000;
}
s[3] = (char)('0' + val % 10); val /= 10;
s[2] = (char)('0' + val % 10); val /= 10;
s[1] = (char)('0' + val % 10);
s[0] = (char)('0' + val / 10);
s += 4;
}
UINT_TO_STR_2('-', st.wMonth)
UINT_TO_STR_2('-', st.wDay)
if (level > kTimestampPrintLevel_DAY)
{
const char setChar =
#if 0
g_Timestamp_Show_TDelimeter ? 'T' : // ISO 8601
#endif
' ';
UINT_TO_STR_2(setChar, st.wHour)
UINT_TO_STR_2(':', st.wMinute)
if (level >= kTimestampPrintLevel_SEC)
{
UINT_TO_STR_2(':', st.wSecond)
if (level > kTimestampPrintLevel_SEC)
{
*s++ = '.';
/*
{
unsigned val = st.wMilliseconds;
s[2] = (char)('0' + val % 10); val /= 10;
s[1] = (char)('0' + val % 10);
s[0] = (char)('0' + val / 10);
s += 3;
}
*s++ = ' ';
*/
{
unsigned numDigits = 7;
UInt32 val = (UInt32)((((UInt64)ft.dwHighDateTime << 32) + ft.dwLowDateTime) % 10000000);
for (unsigned i = numDigits; i != 0;)
{
i--;
s[i] = (char)('0' + val % 10); val /= 10;
}
if (numDigits > (unsigned)level)
numDigits = (unsigned)level;
s += numDigits;
}
if (level >= kTimestampPrintLevel_NTFS + 1)
{
*s++ = (char)('0' + (ns100 / 10));
if (level >= kTimestampPrintLevel_NTFS + 2)
*s++ = (char)('0' + (ns100 % 10));
}
}
}
}
if (show_utc)
{
if ((flags & kTimestampPrintFlags_DisableZ) == 0
#if 0
&& !g_Timestamp_Show_DisableZ
#endif
)
*s++ = 'Z';
}
#if 0
else if (g_Timestamp_Show_ZoneOffset)
{
#if 1
{
char c;
if (bias64 < 0)
{
bias64 = -bias64;
c = '+';
}
else
c = '-';
UInt32 bias = (UInt32)((UInt64)bias64 / (10000000 * 60));
#else
TIME_ZONE_INFORMATION zi;
const DWORD dw = GetTimeZoneInformation(&zi);
if (dw <= TIME_ZONE_ID_DAYLIGHT) // == 2
{
// UTC = LOCAL + Bias
Int32 bias = zi.Bias;
char c;
if (bias < 0)
{
bias = -bias;
c = '+';
}
else
c = '-';
#endif
const UInt32 hours = (UInt32)bias / 60;
const UInt32 mins = (UInt32)bias % 60;
UINT_TO_STR_2(c, hours)
UINT_TO_STR_2(':', mins)
}
}
#endif
*s = 0;
return true;
}
bool ConvertUtcFileTimeToString(const FILETIME &utc, char *s, int level) throw()
{
return ConvertUtcFileTimeToString2(utc, 0, s, level);
}
bool ConvertUtcFileTimeToString2(const FILETIME &ft, unsigned ns100, wchar_t *dest, int level) throw()
{
char s[k_TimeStringBufferSize];
const bool res = ConvertUtcFileTimeToString2(ft, ns100, s, level);
for (unsigned i = 0;; i++)
{
const Byte c = (Byte)s[i];
dest[i] = c;
if (c == 0)
break;
}
return res;
}
bool ConvertUtcFileTimeToString(const FILETIME &ft, wchar_t *dest, int level) throw()
{
char s[k_TimeStringBufferSize];
const bool res = ConvertUtcFileTimeToString(ft, s, level);
for (unsigned i = 0;; i++)
{
const Byte c = (Byte)s[i];
dest[i] = c;
if (c == 0)
break;
}
return res;
}
void ConvertPropVariantToShortString(const PROPVARIANT &prop, char *dest) throw()
{
*dest = 0;
switch (prop.vt)
{
case VT_EMPTY: return;
case VT_BSTR: dest[0] = '?'; dest[1] = 0; return;
case VT_UI1: ConvertUInt32ToString(prop.bVal, dest); return;
case VT_UI2: ConvertUInt32ToString(prop.uiVal, dest); return;
case VT_UI4: ConvertUInt32ToString(prop.ulVal, dest); return;
case VT_UI8: ConvertUInt64ToString(prop.uhVal.QuadPart, dest); return;
case VT_FILETIME:
{
// const unsigned prec = prop.wReserved1;
int level = 0;
/*
if (prec == 0)
level = 7;
else if (prec > 16 && prec <= 16 + 9)
level = prec - 16;
*/
ConvertUtcFileTimeToString(prop.filetime, dest, level);
return;
}
// case VT_I1: return ConvertInt64ToString(prop.cVal, dest); return;
case VT_I2: ConvertInt64ToString(prop.iVal, dest); return;
case VT_I4: ConvertInt64ToString(prop.lVal, dest); return;
case VT_I8: ConvertInt64ToString(prop.hVal.QuadPart, dest); return;
case VT_BOOL: dest[0] = VARIANT_BOOLToBool(prop.boolVal) ? '+' : '-'; dest[1] = 0; return;
default: dest[0] = '?'; dest[1] = ':'; ConvertUInt64ToString(prop.vt, dest + 2);
}
}
void ConvertPropVariantToShortString(const PROPVARIANT &prop, wchar_t *dest) throw()
{
*dest = 0;
switch (prop.vt)
{
case VT_EMPTY: return;
case VT_BSTR: dest[0] = '?'; dest[1] = 0; return;
case VT_UI1: ConvertUInt32ToString(prop.bVal, dest); return;
case VT_UI2: ConvertUInt32ToString(prop.uiVal, dest); return;
case VT_UI4: ConvertUInt32ToString(prop.ulVal, dest); return;
case VT_UI8: ConvertUInt64ToString(prop.uhVal.QuadPart, dest); return;
case VT_FILETIME:
{
// const unsigned prec = prop.wReserved1;
int level = 0;
/*
if (prec == 0)
level = 7;
else if (prec > 16 && prec <= 16 + 9)
level = prec - 16;
*/
ConvertUtcFileTimeToString(prop.filetime, dest, level);
return;
}
// case VT_I1: return ConvertInt64ToString(prop.cVal, dest); return;
case VT_I2: ConvertInt64ToString(prop.iVal, dest); return;
case VT_I4: ConvertInt64ToString(prop.lVal, dest); return;
case VT_I8: ConvertInt64ToString(prop.hVal.QuadPart, dest); return;
case VT_BOOL: dest[0] = VARIANT_BOOLToBool(prop.boolVal) ? (wchar_t)'+' : (wchar_t)'-'; dest[1] = 0; return;
default: dest[0] = '?'; dest[1] = ':'; ConvertUInt32ToString(prop.vt, dest + 2);
}
}
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