90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
// PropIDUtils.cpp
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#include "StdAfx.h"
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#include "PropIDUtils.h"
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#include "Common/IntToString.h"
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#include "Common/StringConvert.h"
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#include "Windows/FileFind.h"
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#include "Windows/PropVariantConversions.h"
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#include "../../PropID.h"
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using namespace NWindows;
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static UString ConvertUInt32ToString(UInt32 value)
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{
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wchar_t buffer[32];
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ConvertUInt64ToString(value, buffer);
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return buffer;
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}
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static void ConvertUInt32ToHex(UInt32 value, wchar_t *s)
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{
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for (int i = 0; i < 8; i++)
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{
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int t = value & 0xF;
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value >>= 4;
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s[7 - i] = (wchar_t)((t < 10) ? (L'0' + t) : (L'A' + (t - 10)));
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}
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s[8] = L'\0';
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}
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UString ConvertPropertyToString(const PROPVARIANT &propVariant, PROPID propID, bool full)
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{
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switch(propID)
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{
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case kpidCreationTime:
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case kpidLastWriteTime:
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case kpidLastAccessTime:
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{
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if (propVariant.vt != VT_FILETIME)
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return UString(); // It is error;
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FILETIME localFileTime;
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if (propVariant.filetime.dwHighDateTime == 0 &&
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propVariant.filetime.dwLowDateTime == 0)
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return UString();
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if (!::FileTimeToLocalFileTime(&propVariant.filetime, &localFileTime))
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return UString(); // It is error;
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return ConvertFileTimeToString(localFileTime, true, full);
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}
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case kpidCRC:
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{
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if(propVariant.vt != VT_UI4)
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break;
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wchar_t temp[12];
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ConvertUInt32ToHex(propVariant.ulVal, temp);
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return temp;
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}
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case kpidAttributes:
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{
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if(propVariant.vt != VT_UI4)
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break;
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UString result;
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UInt32 attributes = propVariant.ulVal;
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if (NFile::NFind::NAttributes::IsReadOnly(attributes)) result += L'R';
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if (NFile::NFind::NAttributes::IsHidden(attributes)) result += L'H';
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if (NFile::NFind::NAttributes::IsSystem(attributes)) result += L'S';
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if (NFile::NFind::NAttributes::IsDirectory(attributes)) result += L'D';
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if (NFile::NFind::NAttributes::IsArchived(attributes)) result += L'A';
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if (NFile::NFind::NAttributes::IsCompressed(attributes)) result += L'C';
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if (NFile::NFind::NAttributes::IsEncrypted(attributes)) result += L'E';
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return result;
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}
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case kpidDictionarySize:
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{
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if(propVariant.vt != VT_UI4)
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break;
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UInt32 size = propVariant.ulVal;
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if (size % (1 << 20) == 0)
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return ConvertUInt32ToString(size >> 20) + L"MB";
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if (size % (1 << 10) == 0)
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return ConvertUInt32ToString(size >> 10) + L"KB";
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return ConvertUInt32ToString(size);
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}
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}
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return ConvertPropVariantToString(propVariant);
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}
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