PropVariantConversions.cpp
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// PropVariantConversions.cpp
#include "StdAfx.h"
// #include <stdio.h>
#include "PropVariantConversions.h"
#include "Windows/Defs.h"
#include "Common/StringConvert.h"
#include "Common/IntToString.h"
static UString ConvertUInt64ToString(UInt64 value)
{
wchar_t buffer[32];
ConvertUInt64ToString(value, buffer);
return buffer;
}
static UString ConvertInt64ToString(Int64 value)
{
wchar_t buffer[32];
ConvertInt64ToString(value, buffer);
return buffer;
}
static char *UIntToStringSpec(UInt32 value, char *s, int numPos)
{
char temp[16];
int pos = 0;
do
{
temp[pos++] = (char)('0' + value % 10);
value /= 10;
}
while (value != 0);
int i;
for (i = 0; i < numPos - pos; i++)
*s++ = '0';
do
*s++ = temp[--pos];
while (pos > 0);
*s = '\0';
return s;
}
bool ConvertFileTimeToString(const FILETIME &ft, char *s, bool includeTime, bool includeSeconds)
{
s[0] = '\0';
SYSTEMTIME st;
if(!BOOLToBool(FileTimeToSystemTime(&ft, &st)))
return false;
s = UIntToStringSpec(st.wYear, s, 4);
*s++ = '-';
s = UIntToStringSpec(st.wMonth, s, 2);
*s++ = '-';
s = UIntToStringSpec(st.wDay, s, 2);
if (includeTime)
{
*s++ = ' ';
s = UIntToStringSpec(st.wHour, s, 2);
*s++ = ':';
s = UIntToStringSpec(st.wMinute, s, 2);
if (includeSeconds)
{
*s++ = ':';
UIntToStringSpec(st.wSecond, s, 2);
}
}
/*
sprintf(s, "%04d-%02d-%02d", st.wYear, st.wMonth, st.wDay);
if (includeTime)
{
sprintf(s + strlen(s), " %02d:%02d", st.wHour, st.wMinute);
if (includeSeconds)
sprintf(s + strlen(s), ":%02d", st.wSecond);
}
*/
return true;
}
UString ConvertFileTimeToString(const FILETIME &fileTime, bool includeTime, bool includeSeconds)
{
char s[32];
ConvertFileTimeToString(fileTime, s, includeTime, includeSeconds);
return GetUnicodeString(s);
}
UString ConvertPropVariantToString(const PROPVARIANT &propVariant)
{
switch (propVariant.vt)
{
case VT_EMPTY:
return UString();
case VT_BSTR:
return propVariant.bstrVal;
case VT_UI1:
return ConvertUInt64ToString(propVariant.bVal);
case VT_UI2:
return ConvertUInt64ToString(propVariant.uiVal);
case VT_UI4:
return ConvertUInt64ToString(propVariant.ulVal);
case VT_UI8:
return ConvertUInt64ToString(propVariant.uhVal.QuadPart);
case VT_FILETIME:
return ConvertFileTimeToString(propVariant.filetime, true, true);
/*
case VT_I1:
return ConvertInt64ToString(propVariant.cVal);
*/
case VT_I2:
return ConvertInt64ToString(propVariant.iVal);
case VT_I4:
return ConvertInt64ToString(propVariant.lVal);
case VT_I8:
return ConvertInt64ToString(propVariant.hVal.QuadPart);
case VT_BOOL:
return VARIANT_BOOLToBool(propVariant.boolVal) ? L"+" : L"-";
default:
#ifndef _WIN32_WCE
throw 150245;
#else
return UString();
#endif
}
}
UInt64 ConvertPropVariantToUInt64(const PROPVARIANT &propVariant)
{
switch (propVariant.vt)
{
case VT_UI1:
return propVariant.bVal;
case VT_UI2:
return propVariant.uiVal;
case VT_UI4:
return propVariant.ulVal;
case VT_UI8:
return (UInt64)propVariant.uhVal.QuadPart;
default:
#ifndef _WIN32_WCE
throw 151199;
#else
return 0;
#endif
}
}