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 UINT_TO_STR_2(':', st.wSecond); 41 } 42 *s = 0; 43 return true; 44 } 45 46 void 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 59 void 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 80 void 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
