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Tino Reichardt
2016-06-25 21:15:50 +02:00
commit c3967fe27a
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109
CPP/Windows/PropVariantConv.cpp Normal file
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// PropVariantConvert.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; }
bool ConvertFileTimeToString(const FILETIME &ft, char *s, bool includeTime, bool includeSeconds) throw()
{
SYSTEMTIME st;
if (!BOOLToBool(FileTimeToSystemTime(&ft, &st)))
{
*s = 0;
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 (includeTime)
{
UINT_TO_STR_2(' ', st.wHour);
UINT_TO_STR_2(':', st.wMinute);
if (includeSeconds)
{
UINT_TO_STR_2(':', st.wSecond);
/*
*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 = 0;
return true;
}
void ConvertFileTimeToString(const FILETIME &ft, wchar_t *dest, bool includeTime, bool includeSeconds) throw()
{
char s[32];
ConvertFileTimeToString(ft, s, includeTime, includeSeconds);
for (unsigned i = 0;; i++)
{
unsigned char c = s[i];
dest[i] = c;
if (c == 0)
return;
}
}
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: ConvertFileTimeToString(prop.filetime, dest, true, true); 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: ConvertFileTimeToString(prop.filetime, dest, true, true); 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);
}
}