1 // PropVariantConversions.cpp
2
3 #include "StdAfx.h"
4
5 #include "Common/IntToString.h"
6 #include "Common/StringConvert.h"
7
8 #include "Windows/Defs.h"
9
10 #include "PropVariantConversions.h"
11
ConvertUInt64ToString(UInt64 value)12 static UString ConvertUInt64ToString(UInt64 value)
13 {
14 wchar_t buffer[32];
15 ConvertUInt64ToString(value, buffer);
16 return buffer;
17 }
18
ConvertInt64ToString(Int64 value)19 static UString ConvertInt64ToString(Int64 value)
20 {
21 wchar_t buffer[32];
22 ConvertInt64ToString(value, buffer);
23 return buffer;
24 }
25
UIntToStringSpec(char c,UInt32 value,char * s,int numPos)26 static char *UIntToStringSpec(char c, UInt32 value, char *s, int numPos)
27 {
28 if (c != 0)
29 *s++ = c;
30 char temp[16];
31 int pos = 0;
32 do
33 {
34 temp[pos++] = (char)('0' + value % 10);
35 value /= 10;
36 }
37 while (value != 0);
38 int i;
39 for (i = 0; i < numPos - pos; i++)
40 *s++ = '0';
41 do
42 *s++ = temp[--pos];
43 while (pos > 0);
44 *s = '\0';
45 return s;
46 }
47
ConvertFileTimeToString(const FILETIME & ft,char * s,bool includeTime,bool includeSeconds)48 bool ConvertFileTimeToString(const FILETIME &ft, char *s, bool includeTime, bool includeSeconds)
49 {
50 s[0] = '\0';
51 SYSTEMTIME st;
52 if (!BOOLToBool(FileTimeToSystemTime(&ft, &st)))
53 return false;
54 s = UIntToStringSpec(0, st.wYear, s, 4);
55 s = UIntToStringSpec('-', st.wMonth, s, 2);
56 s = UIntToStringSpec('-', st.wDay, s, 2);
57 if (includeTime)
58 {
59 s = UIntToStringSpec(' ', st.wHour, s, 2);
60 s = UIntToStringSpec(':', st.wMinute, s, 2);
61 if (includeSeconds)
62 UIntToStringSpec(':', st.wSecond, s, 2);
63 }
64 return true;
65 }
66
ConvertFileTimeToString(const FILETIME & ft,bool includeTime,bool includeSeconds)67 UString ConvertFileTimeToString(const FILETIME &ft, bool includeTime, bool includeSeconds)
68 {
69 char s[32];
70 ConvertFileTimeToString(ft, s, includeTime, includeSeconds);
71 return GetUnicodeString(s);
72 }
73
74
ConvertPropVariantToString(const PROPVARIANT & prop)75 UString ConvertPropVariantToString(const PROPVARIANT &prop)
76 {
77 switch (prop.vt)
78 {
79 case VT_EMPTY: return UString();
80 case VT_BSTR: return prop.bstrVal;
81 case VT_UI1: return ConvertUInt64ToString(prop.bVal);
82 case VT_UI2: return ConvertUInt64ToString(prop.uiVal);
83 case VT_UI4: return ConvertUInt64ToString(prop.ulVal);
84 case VT_UI8: return ConvertUInt64ToString(prop.uhVal.QuadPart);
85 case VT_FILETIME: return ConvertFileTimeToString(prop.filetime, true, true);
86 // case VT_I1: return ConvertInt64ToString(prop.cVal);
87 case VT_I2: return ConvertInt64ToString(prop.iVal);
88 case VT_I4: return ConvertInt64ToString(prop.lVal);
89 case VT_I8: return ConvertInt64ToString(prop.hVal.QuadPart);
90 case VT_BOOL: return VARIANT_BOOLToBool(prop.boolVal) ? L"+" : L"-";
91 default: throw 150245;
92 }
93 }
94
ConvertPropVariantToUInt64(const PROPVARIANT & prop)95 UInt64 ConvertPropVariantToUInt64(const PROPVARIANT &prop)
96 {
97 switch (prop.vt)
98 {
99 case VT_UI1: return prop.bVal;
100 case VT_UI2: return prop.uiVal;
101 case VT_UI4: return prop.ulVal;
102 case VT_UI8: return (UInt64)prop.uhVal.QuadPart;
103 default: throw 151199;
104 }
105 }
106