release/src-rt/linux/linux-2.6/scripts/squashfs/lzma/C/7zip/Archive/7z_C/7zItem.c

   1 /* 7zItem.c */
   2
   3 #include "7zItem.h"
   4 #include "7zAlloc.h"
   5
   6 void SzCoderInfoInit(CCoderInfo *coder)
   7 {
   8   SzByteBufferInit(&coder->Properties);
   9 }
  10
  11 void SzCoderInfoFree(CCoderInfo *coder, void (*freeFunc)(void *p))
  12 {
  13   SzByteBufferFree(&coder->Properties, freeFunc);
  14   SzCoderInfoInit(coder);
  15 }
  16
  17 void SzFolderInit(CFolder *folder)
  18 {
  19   folder->NumCoders = 0;
  20   folder->Coders = 0;
  21   folder->NumBindPairs = 0;
  22   folder->BindPairs = 0;
  23   folder->NumPackStreams = 0;
  24   folder->PackStreams = 0;
  25   folder->UnPackSizes = 0;
  26   folder->UnPackCRCDefined = 0;
  27   folder->UnPackCRC = 0;
  28   folder->NumUnPackStreams = 0;
  29 }
  30
  31 void SzFolderFree(CFolder *folder, void (*freeFunc)(void *p))
  32 {
  33   UInt32 i;
  34   for (i = 0; i < folder->NumCoders; i++)
  35     SzCoderInfoFree(&folder->Coders[i], freeFunc);
  36   freeFunc(folder->Coders);
  37   freeFunc(folder->BindPairs);
  38   freeFunc(folder->PackStreams);
  39   freeFunc(folder->UnPackSizes);
  40   SzFolderInit(folder);
  41 }
  42
  43 UInt32 SzFolderGetNumOutStreams(CFolder *folder)
  44 {
  45   UInt32 result = 0;
  46   UInt32 i;
  47   for (i = 0; i < folder->NumCoders; i++)
  48     result += folder->Coders[i].NumOutStreams;
  49   return result;
  50 }
  51
  52 int SzFolderFindBindPairForInStream(CFolder *folder, UInt32 inStreamIndex)
  53 {
  54   UInt32 i;
  55   for(i = 0; i < folder->NumBindPairs; i++)
  56     if (folder->BindPairs[i].InIndex == inStreamIndex)
  57       return i;
  58   return -1;
  59 }
  60
  61
  62 int SzFolderFindBindPairForOutStream(CFolder *folder, UInt32 outStreamIndex)
  63 {
  64   UInt32 i;
  65   for(i = 0; i < folder->NumBindPairs; i++)
  66     if (folder->BindPairs[i].OutIndex == outStreamIndex)
  67       return i;
  68   return -1;
  69 }
  70
  71 CFileSize SzFolderGetUnPackSize(CFolder *folder)
  72 {
  73   int i = (int)SzFolderGetNumOutStreams(folder);
  74   if (i == 0)
  75     return 0;
  76   for (i--; i >= 0; i--)
  77     if (SzFolderFindBindPairForOutStream(folder, i) < 0)
  78       return folder->UnPackSizes[i];
  79   /* throw 1; */
  80   return 0;
  81 }
  82
  83 /*
  84 int FindPackStreamArrayIndex(int inStreamIndex) const
  85 {
  86   for(int i = 0; i < PackStreams.Size(); i++)
  87   if (PackStreams[i] == inStreamIndex)
  88     return i;
  89   return -1;
  90 }
  91 */
  92
  93 void SzFileInit(CFileItem *fileItem)
  94 {
  95   fileItem->IsFileCRCDefined = 0;
  96   fileItem->HasStream = 1;
  97   fileItem->IsDirectory = 0;
  98   fileItem->IsAnti = 0;
  99   fileItem->Name = 0;
 100 }
 101
 102 void SzFileFree(CFileItem *fileItem, void (*freeFunc)(void *p))
 103 {
 104   freeFunc(fileItem->Name);
 105   SzFileInit(fileItem);
 106 }
 107
 108 void SzArchiveDatabaseInit(CArchiveDatabase *db)
 109 {
 110   db->NumPackStreams = 0;
 111   db->PackSizes = 0;
 112   db->PackCRCsDefined = 0;
 113   db->PackCRCs = 0;
 114   db->NumFolders = 0;
 115   db->Folders = 0;
 116   db->NumFiles = 0;
 117   db->Files = 0;
 118 }
 119
 120 void SzArchiveDatabaseFree(CArchiveDatabase *db, void (*freeFunc)(void *))
 121 {
 122   UInt32 i;
 123   for (i = 0; i < db->NumFolders; i++)
 124     SzFolderFree(&db->Folders[i], freeFunc);
 125   for (i = 0; i < db->NumFiles; i++)
 126     SzFileFree(&db->Files[i], freeFunc);
 127   freeFunc(db->PackSizes);
 128   freeFunc(db->PackCRCsDefined);
 129   freeFunc(db->PackCRCs);
 130   freeFunc(db->Folders);
 131   freeFunc(db->Files);
 132   SzArchiveDatabaseInit(db);
 133 }