mirror of
https://github.com/Xevion/easy7zip.git
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97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
// SplitUtils.cpp
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#include "StdAfx.h"
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#include "../../../Common/StringToInt.h"
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#include "SplitUtils.h"
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bool ParseVolumeSizes(const UString &s, CRecordVector<UInt64> &values)
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{
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values.Clear();
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bool prevIsNumber = false;
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for (unsigned i = 0; i < s.Len();)
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{
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wchar_t c = s[i++];
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if (c == L' ')
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continue;
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if (c == L'-')
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return true;
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if (prevIsNumber)
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{
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prevIsNumber = false;
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unsigned numBits = 0;
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switch (MyCharLower_Ascii(c))
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{
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case 'b': continue;
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case 'k': numBits = 10; break;
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case 'm': numBits = 20; break;
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case 'g': numBits = 30; break;
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case 't': numBits = 40; break;
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}
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if (numBits != 0)
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{
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UInt64 &val = values.Back();
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if (val >= ((UInt64)1 << (64 - numBits)))
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return false;
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val <<= numBits;
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for (; i < s.Len(); i++)
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if (s[i] == L' ')
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break;
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continue;
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}
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}
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i--;
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const wchar_t *start = s.Ptr(i);
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const wchar_t *end;
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UInt64 val = ConvertStringToUInt64(start, &end);
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if (start == end)
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return false;
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if (val == 0)
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return false;
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values.Add(val);
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prevIsNumber = true;
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i += (unsigned)(end - start);
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}
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return true;
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}
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static const char * const k_Sizes[] =
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{
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"10M"
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, "100M"
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, "1000M"
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, "650M - CD"
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, "700M - CD"
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, "4092M - FAT"
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, "4480M - DVD" // 4489 MiB limit
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, "8128M - DVD DL" // 8147 MiB limit
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, "23040M - BD" // 23866 MiB limit
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// , "1457664 - 3.5\" floppy"
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};
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void AddVolumeItems(NWindows::NControl::CComboBox &combo)
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{
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for (unsigned i = 0; i < ARRAY_SIZE(k_Sizes); i++)
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combo.AddString(CSysString(k_Sizes[i]));
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}
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UInt64 GetNumberOfVolumes(UInt64 size, const CRecordVector<UInt64> &volSizes)
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{
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if (size == 0 || volSizes.Size() == 0)
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return 1;
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FOR_VECTOR (i, volSizes)
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{
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UInt64 volSize = volSizes[i];
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if (volSize >= size)
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return i + 1;
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size -= volSize;
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}
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UInt64 volSize = volSizes.Back();
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if (volSize == 0)
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return (UInt64)(Int64)-1;
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return volSizes.Size() + (size - 1) / volSize + 1;
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}
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