lzma/7zItem.c
author Ryan C. Gordon <icculus@icculus.org>
Tue, 11 Apr 2006 14:33:48 +0000
changeset 774 916c2e81e77f
permissions -rw-r--r--
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/* 7zItem.c */
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#include "7zItem.h"
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#include "7zAlloc.h"
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void SzCoderInfoInit(CCoderInfo *coder)
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{
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  SzByteBufferInit(&coder->Properties);
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}
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void SzCoderInfoFree(CCoderInfo *coder, void (*freeFunc)(void *p))
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{
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  SzByteBufferFree(&coder->Properties, freeFunc);
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  SzCoderInfoInit(coder);
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}
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void SzFolderInit(CFolder *folder)
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{
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  folder->NumCoders = 0;
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  folder->Coders = 0;
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  folder->NumBindPairs = 0;
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  folder->BindPairs = 0;
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  folder->NumPackStreams = 0;
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  folder->PackStreams = 0;
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  folder->UnPackSizes = 0;
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  folder->UnPackCRCDefined = 0;
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  folder->UnPackCRC = 0;
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  folder->NumUnPackStreams = 0;
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}
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void SzFolderFree(CFolder *folder, void (*freeFunc)(void *p))
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{
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  UInt32 i;
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  for (i = 0; i < folder->NumCoders; i++)
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    SzCoderInfoFree(&folder->Coders[i], freeFunc);
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  freeFunc(folder->Coders);
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  freeFunc(folder->BindPairs);
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  freeFunc(folder->PackStreams);
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  freeFunc(folder->UnPackSizes);
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  SzFolderInit(folder);
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}
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UInt32 SzFolderGetNumOutStreams(CFolder *folder)
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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 < folder->NumCoders; i++)
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    result += folder->Coders[i].NumOutStreams;
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  return result;
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}
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int SzFolderFindBindPairForInStream(CFolder *folder, UInt32 inStreamIndex)
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{
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  UInt32 i;
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  for(i = 0; i < folder->NumBindPairs; i++)
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    if (folder->BindPairs[i].InIndex == inStreamIndex)
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      return i;
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  return -1;
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}
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int SzFolderFindBindPairForOutStream(CFolder *folder, UInt32 outStreamIndex)
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{
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  UInt32 i;
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  for(i = 0; i < folder->NumBindPairs; i++)
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    if (folder->BindPairs[i].OutIndex == outStreamIndex)
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      return i;
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  return -1;
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}
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CFileSize SzFolderGetUnPackSize(CFolder *folder)
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{ 
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  int i = (int)SzFolderGetNumOutStreams(folder);
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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 (SzFolderFindBindPairForOutStream(folder, i) < 0)
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      return folder->UnPackSizes[i];
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  /* throw 1; */
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  return 0;
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}
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/*
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int FindPackStreamArrayIndex(int inStreamIndex) const
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{
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  for(int i = 0; i < PackStreams.Size(); i++)
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  if (PackStreams[i] == inStreamIndex)
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    return i;
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  return -1;
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}
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*/
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void SzFileInit(CFileItem *fileItem)
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{
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  fileItem->IsFileCRCDefined = 0;
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  fileItem->HasStream = 1;
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  fileItem->IsDirectory = 0;
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  fileItem->IsAnti = 0;
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  fileItem->Name = 0;
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}
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void SzFileFree(CFileItem *fileItem, void (*freeFunc)(void *p))
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{
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  freeFunc(fileItem->Name);
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  SzFileInit(fileItem);
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}
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void SzArchiveDatabaseInit(CArchiveDatabase *db)
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{
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  db->NumPackStreams = 0;
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  db->PackSizes = 0;
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  db->PackCRCsDefined = 0;
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  db->PackCRCs = 0;
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  db->NumFolders = 0;
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  db->Folders = 0;
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  db->NumFiles = 0;
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  db->Files = 0;
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}
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void SzArchiveDatabaseFree(CArchiveDatabase *db, void (*freeFunc)(void *))
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{
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  UInt32 i;
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  for (i = 0; i < db->NumFolders; i++)
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    SzFolderFree(&db->Folders[i], freeFunc);
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  for (i = 0; i < db->NumFiles; i++)
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    SzFileFree(&db->Files[i], freeFunc);
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  freeFunc(db->PackSizes);
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  freeFunc(db->PackCRCsDefined);
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  freeFunc(db->PackCRCs);
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  freeFunc(db->Folders);
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  freeFunc(db->Files);
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  SzArchiveDatabaseInit(db);
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}