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 12 bool 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 { 41 UINT_TO_STR_2(':', st.wSecond); 42 /* 43 *s++ = '.'; 44 unsigned val = st.wMilliseconds; 45 s[2] = (char)('0' + val % 10); val /= 10; 46 s[1] = (char)('0' + val % 10); 47 s[0] = (char)('0' + val / 10); 48 s += 3; 49 */ 50 } 51 } 52 *s = 0; 53 return true; 54 } 55 56 void ConvertFileTimeToString(const FILETIME &ft, wchar_t *dest, bool includeTime, bool includeSeconds) throw() 57 { 58 char s[32]; 59 ConvertFileTimeToString(ft, s, includeTime, includeSeconds); 60 for (unsigned i = 0;; i++) 61 { 62 unsigned char c = s[i]; 63 dest[i] = c; 64 if (c == 0) 65 return; 66 } 67 } 68 69 void ConvertPropVariantToShortString(const PROPVARIANT &prop, char *dest) throw() 70 { 71 *dest = 0; 72 switch (prop.vt) 73 { 74 case VT_EMPTY: return; 75 case VT_BSTR: dest[0] = '?'; dest[1] = 0; return; 76 case VT_UI1: ConvertUInt32ToString(prop.bVal, dest); return; 77 case VT_UI2: ConvertUInt32ToString(prop.uiVal, dest); return; 78 case VT_UI4: ConvertUInt32ToString(prop.ulVal, dest); return; 79 case VT_UI8: ConvertUInt64ToString(prop.uhVal.QuadPart, dest); return; 80 case VT_FILETIME: ConvertFileTimeToString(prop.filetime, dest, true, true); return; 81 // case VT_I1: return ConvertInt64ToString(prop.cVal, dest); return; 82 case VT_I2: ConvertInt64ToString(prop.iVal, dest); return; 83 case VT_I4: ConvertInt64ToString(prop.lVal, dest); return; 84 case VT_I8: ConvertInt64ToString(prop.hVal.QuadPart, dest); return; 85 case VT_BOOL: dest[0] = VARIANT_BOOLToBool(prop.boolVal) ? '+' : '-'; dest[1] = 0; return; 86 default: dest[0] = '?'; dest[1] = ':'; ConvertUInt64ToString(prop.vt, dest + 2); 87 } 88 } 89 90 void ConvertPropVariantToShortString(const PROPVARIANT &prop, wchar_t *dest) throw() 91 { 92 *dest = 0; 93 switch (prop.vt) 94 { 95 case VT_EMPTY: return; 96 case VT_BSTR: dest[0] = '?'; dest[1] = 0; return; 97 case VT_UI1: ConvertUInt32ToString(prop.bVal, dest); return; 98 case VT_UI2: ConvertUInt32ToString(prop.uiVal, dest); return; 99 case VT_UI4: ConvertUInt32ToString(prop.ulVal, dest); return; 100 case VT_UI8: ConvertUInt64ToString(prop.uhVal.QuadPart, dest); return; 101 case VT_FILETIME: ConvertFileTimeToString(prop.filetime, dest, true, true); return; 102 // case VT_I1: return ConvertInt64ToString(prop.cVal, dest); return; 103 case VT_I2: ConvertInt64ToString(prop.iVal, dest); return; 104 case VT_I4: ConvertInt64ToString(prop.lVal, dest); return; 105 case VT_I8: ConvertInt64ToString(prop.hVal.QuadPart, dest); return; 106 case VT_BOOL: dest[0] = VARIANT_BOOLToBool(prop.boolVal) ? (wchar_t)'+' : (wchar_t)'-'; dest[1] = 0; return; 107 default: dest[0] = '?'; dest[1] = ':'; ConvertUInt32ToString(prop.vt, dest + 2); 108 } 109 } 110
