130 lines
2.6 KiB
C
130 lines
2.6 KiB
C
/* 7zItem.c -- 7z Items
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2008-10-04 : Igor Pavlov : Public domain */
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#include "7zItem.h"
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void SzCoderInfo_Init(CSzCoderInfo *p)
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{
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Buf_Init(&p->Props);
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}
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void SzCoderInfo_Free(CSzCoderInfo *p, ISzAlloc *alloc)
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{
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Buf_Free(&p->Props, alloc);
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SzCoderInfo_Init(p);
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}
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void SzFolder_Init(CSzFolder *p)
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{
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p->Coders = 0;
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p->BindPairs = 0;
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p->PackStreams = 0;
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p->UnpackSizes = 0;
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p->NumCoders = 0;
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p->NumBindPairs = 0;
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p->NumPackStreams = 0;
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p->UnpackCRCDefined = 0;
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p->UnpackCRC = 0;
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p->NumUnpackStreams = 0;
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}
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static
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void SzFolder_Free(CSzFolder *p, ISzAlloc *alloc)
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{
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UInt32 i;
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if (p->Coders)
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for (i = 0; i < p->NumCoders; i++)
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SzCoderInfo_Free(&p->Coders[i], alloc);
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IAlloc_Free(alloc, p->Coders);
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IAlloc_Free(alloc, p->BindPairs);
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IAlloc_Free(alloc, p->PackStreams);
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IAlloc_Free(alloc, p->UnpackSizes);
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SzFolder_Init(p);
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}
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UInt32 SzFolder_GetNumOutStreams(CSzFolder *p)
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{
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UInt32 result = 0;
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UInt32 i;
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for (i = 0; i < p->NumCoders; i++)
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result += p->Coders[i].NumOutStreams;
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return result;
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}
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int SzFolder_FindBindPairForInStream(CSzFolder *p, UInt32 inStreamIndex)
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{
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UInt32 i;
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for (i = 0; i < p->NumBindPairs; i++)
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if (p->BindPairs[i].InIndex == inStreamIndex)
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return i;
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return -1;
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}
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static
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int SzFolder_FindBindPairForOutStream(CSzFolder *p, UInt32 outStreamIndex)
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{
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UInt32 i;
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for (i = 0; i < p->NumBindPairs; i++)
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if (p->BindPairs[i].OutIndex == outStreamIndex)
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return i;
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return -1;
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}
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UInt64 SzFolder_GetUnpackSize(CSzFolder *p)
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{
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int i = (int)SzFolder_GetNumOutStreams(p);
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if (i == 0)
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return 0;
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for (i--; i >= 0; i--)
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if (SzFolder_FindBindPairForOutStream(p, i) < 0)
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return p->UnpackSizes[i];
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/* throw 1; */
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return 0;
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}
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void SzFile_Init(CSzFileItem *p)
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{
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p->HasStream = 1;
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p->IsDir = 0;
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p->IsAnti = 0;
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p->FileCRCDefined = 0;
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p->MTimeDefined = 0;
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p->Name = 0;
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}
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static void SzFile_Free(CSzFileItem *p, ISzAlloc *alloc)
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{
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IAlloc_Free(alloc, p->Name);
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SzFile_Init(p);
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}
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void SzAr_Init(CSzAr *p)
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{
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p->PackSizes = 0;
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p->PackCRCsDefined = 0;
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p->PackCRCs = 0;
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p->Folders = 0;
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p->Files = 0;
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p->NumPackStreams = 0;
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p->NumFolders = 0;
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p->NumFiles = 0;
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}
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void SzAr_Free(CSzAr *p, ISzAlloc *alloc)
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{
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UInt32 i;
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if (p->Folders)
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for (i = 0; i < p->NumFolders; i++)
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SzFolder_Free(&p->Folders[i], alloc);
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if (p->Files)
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for (i = 0; i < p->NumFiles; i++)
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SzFile_Free(&p->Files[i], alloc);
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IAlloc_Free(alloc, p->PackSizes);
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IAlloc_Free(alloc, p->PackCRCsDefined);
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IAlloc_Free(alloc, p->PackCRCs);
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IAlloc_Free(alloc, p->Folders);
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IAlloc_Free(alloc, p->Files);
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SzAr_Init(p);
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}
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