1// PropVariantConvert.cpp
2
3#include "StdAfx.h"
4
5#include "../Common/IntToString.h"
6
7#include "Defs.h"
8#include "PropVariantConv.h"
9
10#define UINT_TO_STR_2(c, val) { s[0] = (c); s[1] = (char)('0' + (val) / 10); s[2] = (char)('0' + (val) % 10); s += 3; }
11
12bool ConvertFileTimeToString(const FILETIME &ft, char *s, bool includeTime, bool includeSeconds) throw()
13{
14  SYSTEMTIME st;
15  if (!BOOLToBool(FileTimeToSystemTime(&ft, &st)))
16  {
17    *s = 0;
18    return false;
19  }
20  unsigned val = st.wYear;
21  if (val >= 10000)
22  {
23    *s++ = (char)('0' + val / 10000);
24    val %= 10000;
25  }
26  {
27    s[3] = (char)('0' + val % 10); val /= 10;
28    s[2] = (char)('0' + val % 10); val /= 10;
29    s[1] = (char)('0' + val % 10);
30    s[0] = (char)('0' + val / 10);
31    s += 4;
32  }
33  UINT_TO_STR_2('-', st.wMonth);
34  UINT_TO_STR_2('-', st.wDay);
35  if (includeTime)
36  {
37    UINT_TO_STR_2(' ', st.wHour);
38    UINT_TO_STR_2(':', st.wMinute);
39    if (includeSeconds)
40      UINT_TO_STR_2(':', st.wSecond);
41  }
42  *s = 0;
43  return true;
44}
45
46void ConvertFileTimeToString(const FILETIME &ft, wchar_t *dest, bool includeTime, bool includeSeconds) throw()
47{
48  char s[32];
49  ConvertFileTimeToString(ft, s, includeTime, includeSeconds);
50  for (unsigned i = 0;; i++)
51  {
52    unsigned char c = s[i];
53    dest[i] = c;
54    if (c == 0)
55      return;
56  }
57}
58
59void ConvertPropVariantToShortString(const PROPVARIANT &prop, char *dest) throw()
60{
61  *dest = 0;
62  switch (prop.vt)
63  {
64    case VT_EMPTY: return;
65    case VT_BSTR: dest[0] = '?'; dest[1] = 0; return;
66    case VT_UI1: ConvertUInt32ToString(prop.bVal, dest); return;
67    case VT_UI2: ConvertUInt32ToString(prop.uiVal, dest); return;
68    case VT_UI4: ConvertUInt32ToString(prop.ulVal, dest); return;
69    case VT_UI8: ConvertUInt64ToString(prop.uhVal.QuadPart, dest); return;
70    case VT_FILETIME: ConvertFileTimeToString(prop.filetime, dest, true, true); return;
71    // case VT_I1: return ConvertInt64ToString(prop.cVal, dest); return;
72    case VT_I2: ConvertInt64ToString(prop.iVal, dest); return;
73    case VT_I4: ConvertInt64ToString(prop.lVal, dest); return;
74    case VT_I8: ConvertInt64ToString(prop.hVal.QuadPart, dest); return;
75    case VT_BOOL: dest[0] = VARIANT_BOOLToBool(prop.boolVal) ? '+' : '-'; dest[1] = 0; return;
76    default: dest[0] = '?'; dest[1] = ':'; ConvertUInt64ToString(prop.vt, dest + 2);
77  }
78}
79
80void ConvertPropVariantToShortString(const PROPVARIANT &prop, wchar_t *dest) throw()
81{
82  *dest = 0;
83  switch (prop.vt)
84  {
85    case VT_EMPTY: return;
86    case VT_BSTR: dest[0] = '?'; dest[1] = 0; return;
87    case VT_UI1: ConvertUInt32ToString(prop.bVal, dest); return;
88    case VT_UI2: ConvertUInt32ToString(prop.uiVal, dest); return;
89    case VT_UI4: ConvertUInt32ToString(prop.ulVal, dest); return;
90    case VT_UI8: ConvertUInt64ToString(prop.uhVal.QuadPart, dest); return;
91    case VT_FILETIME: ConvertFileTimeToString(prop.filetime, dest, true, true); return;
92    // case VT_I1: return ConvertInt64ToString(prop.cVal, dest); return;
93    case VT_I2: ConvertInt64ToString(prop.iVal, dest); return;
94    case VT_I4: ConvertInt64ToString(prop.lVal, dest); return;
95    case VT_I8: ConvertInt64ToString(prop.hVal.QuadPart, dest); return;
96    case VT_BOOL: dest[0] = VARIANT_BOOLToBool(prop.boolVal) ? '+' : '-'; dest[1] = 0; return;
97    default: dest[0] = '?'; dest[1] = ':'; ConvertUInt32ToString(prop.vt, dest + 2);
98  }
99}
100