archivecommandline.cpp

由7-zip提供的压缩、解压缩程序

// ArchiveCommandLine.cpp

#include "StdAfx.h"

#include <io.h>
#include <stdio.h>

#include "Common/ListFileUtils.h"
#include "Common/StringConvert.h"
#include "Common/StringToInt.h"

#include "Windows/FileName.h"
#include "Windows/FileDir.h"
#ifdef _WIN32
#include "Windows/FileMapping.h"
#include "Windows/Synchronization.h"
#endif

#include "ArchiveCommandLine.h"
#include "UpdateAction.h"
#include "Update.h"
#include "ArchiverInfo.h"
#include "SortUtils.h"
#include "EnumDirItems.h"

#ifdef HAVE_LSTAT
extern int global_use_lstat;
#endif

using namespace NCommandLineParser;
using namespace NWindows;
using namespace NFile;

static const int kNumSwitches = 27;

namespace NKey {
enum Enum
{
  kHelp1 = 0,
  kHelp2,
  kHelp3,
  kDisableHeaders,
  kDisablePercents,
  kArchiveType,
  kYes,
  kPassword,
  kProperty,
  kOutputDir,
  kWorkingDir,
  kInclude,
  kExclude,
  kArInclude,
  kArExclude,
  kNoArName,
  kUpdate,
  kVolume,
  kRecursed,
  kSfx,
  kStdIn,
  kStdOut,
  kOverwrite,
  kEmail,
  kShowDialog,
  kUseLStat,
  kTechMode
};

}


static const wchar_t kRecursedIDChar = 'R';
static const wchar_t *kRecursedPostCharSet = L"0-";

static const wchar_t *kDefaultArchiveType = L"7z";
static const wchar_t *kSFXExtension =
  #ifdef _WIN32
    L"exe";
  #else
    L"";
  #endif

namespace NRecursedPostCharIndex {
  enum EEnum 
  {
    kWildCardRecursionOnly = 0, 
    kNoRecursion = 1
  };
}

static const char kImmediateNameID = '!';
static const char kMapNameID = '#';
static const char kFileListID = '@';

static const char kSomeCludePostStringMinSize = 2; // at least <@|!><N>ame must be
static const char kSomeCludeAfterRecursedPostStringMinSize = 2; // at least <@|!><N>ame must be

static const wchar_t *kOverwritePostCharSet = L"asut";

NExtract::NOverwriteMode::EEnum k_OverwriteModes[] =
{
  NExtract::NOverwriteMode::kWithoutPrompt,
  NExtract::NOverwriteMode::kSkipExisting,
  NExtract::NOverwriteMode::kAutoRename,
  NExtract::NOverwriteMode::kAutoRenameExisting
};

static const CSwitchForm kSwitchForms[kNumSwitches] = 
  {
    { L"?",  NSwitchType::kSimple, false },
    { L"H",  NSwitchType::kSimple, false },
    { L"-HELP",  NSwitchType::kSimple, false },
    { L"BA", NSwitchType::kSimple, false },
    { L"BD", NSwitchType::kSimple, false },
    { L"T",  NSwitchType::kUnLimitedPostString, false, 1 },
    { L"Y",  NSwitchType::kSimple, false },
    { L"P",  NSwitchType::kUnLimitedPostString, false, 0 },
    { L"M", NSwitchType::kUnLimitedPostString, true, 1 },
    { L"O",  NSwitchType::kUnLimitedPostString, false, 1 },
    { L"W",  NSwitchType::kUnLimitedPostString, false, 0 },
    { L"I",  NSwitchType::kUnLimitedPostString, true, kSomeCludePostStringMinSize},
    { L"X",  NSwitchType::kUnLimitedPostString, true, kSomeCludePostStringMinSize},
    { L"AI",  NSwitchType::kUnLimitedPostString, true, kSomeCludePostStringMinSize},
    { L"AX",  NSwitchType::kUnLimitedPostString, true, kSomeCludePostStringMinSize},
    { L"AN", NSwitchType::kSimple, false },
    { L"U",  NSwitchType::kUnLimitedPostString, true, 1},
    { L"V",  NSwitchType::kUnLimitedPostString, true, 1},
    { L"R",  NSwitchType::kPostChar, false, 0, 0, kRecursedPostCharSet },
    { L"SFX", NSwitchType::kUnLimitedPostString, false, 0 },
    { L"SI",  NSwitchType::kUnLimitedPostString, false, 0 },
    { L"SO",  NSwitchType::kSimple, false, 0 },
    { L"AO",  NSwitchType::kPostChar, false, 1, 1, kOverwritePostCharSet},
    { L"SEML", NSwitchType::kUnLimitedPostString, false, 0},
    { L"AD",  NSwitchType::kSimple, false },
    { L"L",  NSwitchType::kSimple, false },
    { L"SLT", NSwitchType::kSimple, false }
  };

static const int kNumCommandForms = 7;

static const CCommandForm g_CommandForms[kNumCommandForms] = 
{
  { L"A", false },
  { L"U", false },
  { L"D", false },
  { L"T", false },
  { L"E", false },
  { L"X", false },
  { L"L", false }
};

static const int kMaxCmdLineSize = 1000;
static const wchar_t *kUniversalWildcard = L"*";
static const int kMinNonSwitchWords = 1;
static const int kCommandIndex = 0;

// ---------------------------
// exception messages

static const char *kUserErrorMessage  = "Incorrect command line";
static const char *kIncorrectListFile = "Incorrect wildcard in listfile";
static const char *kIncorrectWildCardInListFile = "Incorrect wildcard in listfile";
static const char *kIncorrectWildCardInCommandLine  = "Incorrect wildcard in command line";
static const char *kTerminalOutError = "I won't write compressed data to a terminal";

// ---------------------------

bool CArchiveCommand::IsFromExtractGroup() const
{
  switch(CommandType)
  {
    case NCommandType::kTest:
    case NCommandType::kExtract:
    case NCommandType::kFullExtract:
      return true;
    default:
      return false;
  }
}

NExtract::NPathMode::EEnum CArchiveCommand::GetPathMode() const
{
  switch(CommandType)
  {
    case NCommandType::kTest:
    case NCommandType::kFullExtract:
      return NExtract::NPathMode::kFullPathnames;
    default:
      return NExtract::NPathMode::kNoPathnames;
  }
}

bool CArchiveCommand::IsFromUpdateGroup() const
{
  return (CommandType == NCommandType::kAdd || 
    CommandType == NCommandType::kUpdate ||
    CommandType == NCommandType::kDelete);
}

static NRecursedType::EEnum GetRecursedTypeFromIndex(int index)
{
  switch (index)
  {
    case NRecursedPostCharIndex::kWildCardRecursionOnly: 
      return NRecursedType::kWildCardOnlyRecursed;
    case NRecursedPostCharIndex::kNoRecursion: 
      return NRecursedType::kNonRecursed;
    default:
      return NRecursedType::kRecursed;
  }
}

static bool ParseArchiveCommand(const UString &commandString, CArchiveCommand &command)
{
  UString commandStringUpper = commandString;
  commandStringUpper.MakeUpper();
  UString postString;
  int commandIndex = ParseCommand(kNumCommandForms, g_CommandForms, commandStringUpper, 
      postString) ;
  if (commandIndex < 0)
    return false;
  command.CommandType = (NCommandType::EEnum)commandIndex;
  return true;
}

// ------------------------------------------------------------------
// filenames functions

static bool AddNameToCensor(NWildcard::CCensor &wildcardCensor, 
    const UString &name, bool include, NRecursedType::EEnum type)
{
  bool isWildCard = DoesNameContainWildCard(name);
  bool recursed;

  switch (type)
  {
    case NRecursedType::kWildCardOnlyRecursed:
      recursed = isWildCard;
      break;
    case NRecursedType::kRecursed:
      recursed = true;
      break;
    case NRecursedType::kNonRecursed:
      recursed = false;
      break;
  }
  wildcardCensor.AddItem(include, name, recursed);
  return true;
}

static inline UINT GetCurrentCodePage() { return AreFileApisANSI() ? CP_ACP : CP_OEMCP; } 

static void AddToCensorFromListFile(NWildcard::CCensor &wildcardCensor, 
    LPCWSTR fileName, bool include, NRecursedType::EEnum type, UINT codePage)
{
  UStringVector names;
  if (!ReadNamesFromListFile(GetSystemString(fileName, GetCurrentCodePage()), names, codePage))
    throw kIncorrectListFile;
  for (int i = 0; i < names.Size(); i++)
    if (!AddNameToCensor(wildcardCensor, names[i], include, type))
      throw kIncorrectWildCardInListFile;
}

static void AddCommandLineWildCardToCensr(NWildcard::CCensor &wildcardCensor, 
    const UString &name, bool include, NRecursedType::EEnum recursedType)
{
  if (!AddNameToCensor(wildcardCensor, name, include, recursedType))
    throw kIncorrectWildCardInCommandLine;
}

static void AddToCensorFromNonSwitchesStrings(
    int startIndex,
    NWildcard::CCensor &wildcardCensor, 
    const UStringVector &nonSwitchStrings, NRecursedType::EEnum type, 
    bool thereAreSwitchIncludes, UINT codePage)
{
  if(nonSwitchStrings.Size() == startIndex && (!thereAreSwitchIncludes)) 
    AddCommandLineWildCardToCensr(wildcardCensor, kUniversalWildcard, true, type);
  for(int i = startIndex; i < nonSwitchStrings.Size(); i++)
  {
    const UString &s = nonSwitchStrings[i];
    if (s[0] == kFileListID)
      AddToCensorFromListFile(wildcardCensor, s.Mid(1), true, type, codePage);
    else
      AddCommandLineWildCardToCensr(wildcardCensor, s, true, type);
  }
}

#ifdef _WIN32
static void ParseMapWithPaths(NWildcard::CCensor &wildcardCensor, 
    const UString &switchParam, bool include, 
    NRecursedType::EEnum commonRecursedType)
{
  int splitPos = switchParam.Find(L':');
  if (splitPos < 0)
    throw kUserErrorMessage;
  UString mappingName = switchParam.Left(splitPos);
  
  UString switchParam2 = switchParam.Mid(splitPos + 1);
  splitPos = switchParam2.Find(L':');
  if (splitPos < 0)
    throw kUserErrorMessage;
  
  UString mappingSize = switchParam2.Left(splitPos);
  UString eventName = switchParam2.Mid(splitPos + 1);
  
  UInt64 dataSize64 = ConvertStringToUInt64(mappingSize, NULL);
  UInt32 dataSize = (UInt32)dataSize64;
  {
    CFileMapping fileMapping;
    if (!fileMapping.Open(FILE_MAP_READ, false, GetSystemString(mappingName)))
      throw L"Can not open mapping";
    LPVOID data = fileMapping.MapViewOfFile(FILE_MAP_READ, 0, dataSize);
    if (data == NULL)
      throw L"MapViewOfFile error";
    try
    {
      const wchar_t *curData = (const wchar_t *)data;
      if (*curData != 0)
        throw L"Incorrect mapping data";
      UInt32 numChars = dataSize / sizeof(wchar_t);
      UString name;
      for (UInt32 i = 1; i < numChars; i++)
      {
        wchar_t c = curData[i];
        if (c == L'\0')
        {
          AddCommandLineWildCardToCensr(wildcardCensor, 
              name, include, commonRecursedType);
          name.Empty();
        }
        else
          name += c;
      }
      if (!name.IsEmpty())
        throw L"data error";
    }
    catch(...)
    {
      UnmapViewOfFile(data);
      throw;
    }
    UnmapViewOfFile(data);
  }
  
  {
    NSynchronization::CEvent event;
    event.Open(EVENT_MODIFY_STATE, false, GetSystemString(eventName));
    event.Set();
  }
}
#endif

static void AddSwitchWildCardsToCensor(NWildcard::CCensor &wildcardCensor, 
    const UStringVector &strings, bool include, 
    NRecursedType::EEnum commonRecursedType, UINT codePage)
{
  for(int i = 0; i < strings.Size(); i++)
  {
    const UString &name = strings[i];
    NRecursedType::EEnum recursedType;
    int pos = 0;
    if (name.Length() < kSomeCludePostStringMinSize)
      throw kUserErrorMessage;
    if (::MyCharUpper(name[pos]) == kRecursedIDChar)
    {
      pos++;
      int index = UString(kRecursedPostCharSet).Find(name[pos]);
      recursedType = GetRecursedTypeFromIndex(index);
      if (index >= 0)
        pos++;
    }
    else
      recursedType = commonRecursedType;
    if (name.Length() < pos + kSomeCludeAfterRecursedPostStringMinSize)
      throw kUserErrorMessage;
    UString tail = name.Mid(pos + 1);
    if (name[pos] == kImmediateNameID)
      AddCommandLineWildCardToCensr(wildcardCensor, tail, include, recursedType);
    else if (name[pos] == kFileListID)
      AddToCensorFromListFile(wildcardCensor, tail, include, recursedType, codePage);
    #ifdef _WIN32
    else if (name[pos] == kMapNameID)
      ParseMapWithPaths(wildcardCensor, tail, include, recursedType);
    #endif
    else
      throw kUserErrorMessage;
  }
}

#ifdef _WIN32

// This code converts all short file names to long file names.

static void ConvertToLongName(const UString &prefix, UString &name)
{
  if (name.IsEmpty() || DoesNameContainWildCard(name))
    return;
  NFind::CFileInfoW fileInfo;
  if (NFind::FindFile(prefix + name, fileInfo))
    name = fileInfo.Name;
}

static void ConvertToLongNames(const UString &prefix, CObjectVector<NWildcard::CItem> &items)
{
  for (int i = 0; i < items.Size(); i++)
  {
    NWildcard::CItem &item = items[i];
    if (item.Recursive || item.PathParts.Size() != 1)
      continue;
    ConvertToLongName(prefix, item.PathParts.Front());
  }
}

static void ConvertToLongNames(const UString &prefix, NWildcard::CCensorNode &node)
{
  ConvertToLongNames(prefix, node.IncludeItems);
  ConvertToLongNames(prefix, node.ExcludeItems);
  int i;
  for (i = 0; i < node.SubNodes.Size(); i++)
    ConvertToLongName(prefix, node.SubNodes[i].Name);
  // mix folders with same name
  for (i = 0; i < node.SubNodes.Size(); i++)
  {
    NWildcard::CCensorNode &nextNode1 = node.SubNodes[i];
    for (int j = i + 1; j < node.SubNodes.Size();)
    {
      const NWildcard::CCensorNode &nextNode2 = node.SubNodes[j];
      if (nextNode1.Name.CompareNoCase(nextNode2.Name) == 0)
      {
        nextNode1.IncludeItems += nextNode2.IncludeItems;
        nextNode1.ExcludeItems += nextNode2.ExcludeItems;
        node.SubNodes.Delete(j);
      }
      else
        j++;
    }
  }
  for (i = 0; i < node.SubNodes.Size(); i++)
  {
    NWildcard::CCensorNode &nextNode = node.SubNodes[i];
    ConvertToLongNames(prefix + nextNode.Name + wchar_t(NFile::NName::kDirDelimiter), nextNode); 
  }
}

static void ConvertToLongNames(NWildcard::CCensor &censor)
{
  for (int i = 0; i < censor.Pairs.Size(); i++)
  {
    NWildcard::CPair &pair = censor.Pairs[i];
    ConvertToLongNames(pair.Prefix, pair.Head);
  }
}

#endif

static NUpdateArchive::NPairAction::EEnum GetUpdatePairActionType(int i)
{
  switch(i)
  {
    case NUpdateArchive::NPairAction::kIgnore: return NUpdateArchive::NPairAction::kIgnore;
    case NUpdateArchive::NPairAction::kCopy: return NUpdateArchive::NPairAction::kCopy;
    case NUpdateArchive::NPairAction::kCompress: return NUpdateArchive::NPairAction::kCompress;
    case NUpdateArchive::NPairAction::kCompressAsAnti: return NUpdateArchive::NPairAction::kCompressAsAnti;
  }
  throw 98111603;
}

const UString kUpdatePairStateIDSet = L"PQRXYZW";
const int kUpdatePairStateNotSupportedActions[] = {2, 2, 1, -1, -1, -1, -1};

const UString kUpdatePairActionIDSet = L"0123"; //Ignore, Copy, Compress, Create Anti

const wchar_t *kUpdateIgnoreItselfPostStringID = L"-"; 
const wchar_t kUpdateNewArchivePostCharID = '!'; 


static bool ParseUpdateCommandString2(const UString &command, 
    NUpdateArchive::CActionSet &actionSet, UString &postString)