multiarc/src/ArcPlg.cpp

   1 #include "MultiArc.hpp"
   2 #include "marclng.hpp"
   3
   4 extern std::string gMultiArcPluginPath;
   5
   6 void ArcPlugins::AddPluginItem(PLUGINISARCHIVE pIsArchive, PLUGINOPENARCHIVE pOpenArchive,
   7                 PLUGINGETARCITEM pGetArcItem, PLUGINLOADFORMATMODULE pLoadFormatModule,
   8                 PLUGINCLOSEARCHIVE pCloseArchive, PLUGINGETFORMATNAME pGetFormatName,
   9                 PLUGINGETDEFAULTCOMMANDS pGetDefaultCommands, PLUGINSETFARINFO pSetFarInfo,
  10                 PLUGINGETSFXPOS pGetSFXPos)
  11 {
  12         PluginsData.emplace_back();
  13         PluginItem &item = PluginsData.back();
  14
  15         item.pIsArchive = pIsArchive;
  16         item.pOpenArchive = pOpenArchive;
  17         item.pGetArcItem = pGetArcItem;
  18         item.pLoadFormatModule = pLoadFormatModule;
  19         item.pCloseArchive = pCloseArchive;
  20         item.pGetFormatName = pGetFormatName;
  21         item.pGetDefaultCommands = pGetDefaultCommands;
  22         item.pSetFarInfo = pSetFarInfo;
  23         item.pGetSFXPos = pGetSFXPos;
  24
  25         if (pLoadFormatModule)
  26                 pLoadFormatModule(gMultiArcPluginPath.c_str());
  27
  28         if (pSetFarInfo) {
  29                 // Дабы FMT не испортил оригинальный PluginStartupInfo дадим ему
  30                 // временную "переменную"
  31                 memcpy(&item.Info, &Info, sizeof(struct PluginStartupInfo));
  32                 memcpy(&item.FSF, &FSF, sizeof(struct FarStandardFunctions));
  33                 item.Info.FSF = &item.FSF;
  34                 pSetFarInfo(&item.Info);
  35         }
  36 }
  37
  38 #include "formats/all.h"        //use enum_all.sh to update it
  39
  40 ArcPlugins::ArcPlugins(const char *ModuleName)
  41 {
  42         // AddPluginItem(_IsArchive, _OpenArchive, _GetArcItem, _LoadFormatModule,
  43         //   _CloseArchive, _GetFormatName, _GetDefaultCommands, _SetFarInfo, _GetSFXPos);
  44
  45         // following initialization defines order in which IsArchive invoked, so most-likely formats should be first
  46
  47 #ifndef HAVE_LIBARCHIVE
  48         AddPluginItem(TARGZ_IsArchive, TARGZ_OpenArchive, TARGZ_GetArcItem, NULL, TARGZ_CloseArchive,
  49                         TARGZ_GetFormatName, TARGZ_GetDefaultCommands, TARGZ_SetFarInfo, TARGZ_GetSFXPos);
  50 #endif
  51 #ifdef HAVE_UNRAR
  52         AddPluginItem(RAR_IsArchive, RAR_OpenArchive, RAR_GetArcItem, NULL, RAR_CloseArchive, RAR_GetFormatName,
  53                         RAR_GetDefaultCommands, RAR_SetFarInfo, RAR_GetSFXPos);
  54 #endif
  55
  56         AddPluginItem(ZIP_IsArchive, ZIP_OpenArchive, ZIP_GetArcItem, NULL, ZIP_CloseArchive, ZIP_GetFormatName,
  57                         ZIP_GetDefaultCommands, NULL, ZIP_GetSFXPos);
  58
  59 #ifndef ENDIAN_IS_BIG   // these not yet adaptated to big endian build
  60         AddPluginItem(SEVENZ_IsArchive, SEVENZ_OpenArchive, SEVENZ_GetArcItem, NULL, SEVENZ_CloseArchive,
  61                         SEVENZ_GetFormatName, SEVENZ_GetDefaultCommands, NULL, NULL);
  62
  63         AddPluginItem(ACE_IsArchive, ACE_OpenArchive, ACE_GetArcItem, NULL, ACE_CloseArchive, ACE_GetFormatName,
  64                         ACE_GetDefaultCommands, NULL, ACE_GetSFXPos);
  65
  66         AddPluginItem(ARC_IsArchive, ARC_OpenArchive, ARC_GetArcItem, NULL, ARC_CloseArchive, ARC_GetFormatName,
  67                         ARC_GetDefaultCommands, NULL, ARC_GetSFXPos);
  68
  69         AddPluginItem(ARJ_IsArchive, ARJ_OpenArchive, ARJ_GetArcItem, NULL, ARJ_CloseArchive, ARJ_GetFormatName,
  70                         ARJ_GetDefaultCommands, NULL, ARJ_GetSFXPos);
  71
  72 #ifndef HAVE_LIBARCHIVE
  73         AddPluginItem(CAB_IsArchive, CAB_OpenArchive, CAB_GetArcItem, NULL, CAB_CloseArchive, CAB_GetFormatName,
  74                         CAB_GetDefaultCommands, NULL, CAB_GetSFXPos);
  75 #endif
  76
  77         AddPluginItem(HA_IsArchive, HA_OpenArchive, HA_GetArcItem, NULL, HA_CloseArchive, HA_GetFormatName,
  78                         HA_GetDefaultCommands, HA_SetFarInfo, NULL);
  79
  80         AddPluginItem(LZH_IsArchive, LZH_OpenArchive, LZH_GetArcItem, NULL, LZH_CloseArchive, LZH_GetFormatName,
  81                         LZH_GetDefaultCommands, LZH_SetFarInfo, LZH_GetSFXPos);
  82 #endif
  83
  84 //#ifdef HAVE_PCRE
  85         AddPluginItem(CUSTOM_IsArchive, CUSTOM_OpenArchive, CUSTOM_GetArcItem, CUSTOM_LoadFormatModule,
  86                         CUSTOM_CloseArchive, CUSTOM_GetFormatName, CUSTOM_GetDefaultCommands, CUSTOM_SetFarInfo,
  87                         CUSTOM_GetSFXPos);
  88 //#endif
  89
  90 #ifdef HAVE_LIBARCHIVE
  91         // must be last cuz recognizes essentially most of above formats, but not handles them full-featurable
  92         AddPluginItem(LIBARCH_IsArchive, LIBARCH_OpenArchive, LIBARCH_GetArcItem, NULL, LIBARCH_CloseArchive,
  93                         LIBARCH_GetFormatName, LIBARCH_GetDefaultCommands, NULL, NULL);
  94 #endif
  95 }
  96
  97 ArcPlugins::~ArcPlugins() {}
  98
  99 int ArcPlugins::IsArchive(const char *Name, const unsigned char *Data, int DataSize)
 100 {
 101         DWORD MinSFXSize = 0xffffffff;
 102         int MinSFXSizeI = -1;
 103
 104         for (size_t I = 0; I < PluginsData.size(); I++) {
 105                 DWORD CurSFXSize = 0;
 106                 if (IsArchive(I, Name, Data, DataSize, &CurSFXSize)) {
 107                         if (MinSFXSize > CurSFXSize || MinSFXSizeI == -1) {
 108                                 MinSFXSize = CurSFXSize;
 109                                 MinSFXSizeI = I;
 110                                 if (CurSFXSize == 0)
 111                                         break;
 112                         }
 113                 }
 114         }
 115         return MinSFXSizeI;
 116 }
 117
 118 BOOL ArcPlugins::IsArchive(int ArcPluginNumber, const char *Name, const unsigned char *Data, int DataSize,
 119                 DWORD *SFXSize)
 120 {
 121         struct PluginItem &CurPluginsData = PluginsData[ArcPluginNumber];
 122         if (CurPluginsData.pIsArchive && CurPluginsData.pIsArchive(Name, Data, DataSize)) {
 123                 if (CurPluginsData.pGetSFXPos)
 124                         *SFXSize = CurPluginsData.pGetSFXPos();
 125                 else
 126                         *SFXSize = 0;
 127                 return TRUE;
 128         }
 129         return FALSE;
 130 }
 131
 132 BOOL ArcPlugins::OpenArchive(int PluginNumber, const char *Name, int *Type, bool Silent)
 133 {
 134         *Type = 0;      //$ AA 12.11.2001
 135         if ((DWORD)PluginNumber < PluginsData.size() && PluginsData[PluginNumber].pOpenArchive)
 136                 return PluginsData[PluginNumber].pOpenArchive(Name, Type, Silent);
 137         return FALSE;
 138 }
 139
 140 int ArcPlugins::GetArcItem(int PluginNumber, struct ArcItemInfo *Info)
 141 {
 142         if ((DWORD)PluginNumber < PluginsData.size() && PluginsData[PluginNumber].pGetArcItem)
 143                 return PluginsData[PluginNumber].pGetArcItem(Info);
 144         return FALSE;
 145 }
 146
 147 void ArcPlugins::CloseArchive(int PluginNumber, struct ArcInfo *Info)
 148 {
 149         if ((DWORD)PluginNumber < PluginsData.size() && PluginsData[PluginNumber].pCloseArchive)
 150                 PluginsData[PluginNumber].pCloseArchive(Info);
 151 }
 152
 153 BOOL ArcPlugins::GetFormatName(int PluginNumber, int Type, char *FormatName, char *DefaultExt)
 154 {
 155         *FormatName = 0;
 156         if ((DWORD)PluginNumber < PluginsData.size() && PluginsData[PluginNumber].pGetFormatName)
 157                 return PluginsData[PluginNumber].pGetFormatName(Type, FormatName, DefaultExt);
 158         return FALSE;
 159 }
 160
 161 BOOL ArcPlugins::GetDefaultCommands(int PluginNumber, int Type, int Command, char *Dest)
 162 {
 163         *Dest = 0;
 164         if ((DWORD)PluginNumber < PluginsData.size() && PluginsData[PluginNumber].pGetDefaultCommands)
 165                 return PluginsData[PluginNumber].pGetDefaultCommands(Type, Command, Dest);
 166         return FALSE;
 167 }