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 12 static UString ConvertUInt64ToString(UInt64 value) 13 { 14 wchar_t buffer[32]; 15 ConvertUInt64ToString(value, buffer); 16 return buffer; 17 } 18 19 static UString ConvertInt64ToString(Int64 value) 20 { 21 wchar_t buffer[32]; 22 ConvertInt64ToString(value, buffer); 23 return buffer; 24 } 25 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 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 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 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 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
