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-rw-r--r--src/libs/7zip/win/CPP/Windows/FileName.cpp675
1 files changed, 656 insertions, 19 deletions
diff --git a/src/libs/7zip/win/CPP/Windows/FileName.cpp b/src/libs/7zip/win/CPP/Windows/FileName.cpp
index 8443a4af9..0a6aee100 100644
--- a/src/libs/7zip/win/CPP/Windows/FileName.cpp
+++ b/src/libs/7zip/win/CPP/Windows/FileName.cpp
@@ -2,49 +2,686 @@
#include "StdAfx.h"
-#include "Windows/FileName.h"
-#include "Common/Wildcard.h"
+#include "FileName.h"
+
+#ifndef _UNICODE
+extern bool g_IsNT;
+#endif
namespace NWindows {
namespace NFile {
namespace NName {
-void NormalizeDirPathPrefix(CSysString &dirPath)
+#ifndef USE_UNICODE_FSTRING
+void NormalizeDirPathPrefix(FString &dirPath)
{
if (dirPath.IsEmpty())
return;
- if (dirPath.ReverseFind(kDirDelimiter) != dirPath.Length() - 1)
- dirPath += kDirDelimiter;
+ if (dirPath.Back() != FCHAR_PATH_SEPARATOR)
+ dirPath += FCHAR_PATH_SEPARATOR;
}
+#endif
-#ifndef _UNICODE
void NormalizeDirPathPrefix(UString &dirPath)
{
if (dirPath.IsEmpty())
return;
- if (dirPath.ReverseFind(wchar_t(kDirDelimiter)) != dirPath.Length() - 1)
- dirPath += wchar_t(kDirDelimiter);
+ if (dirPath.Back() != WCHAR_PATH_SEPARATOR)
+ dirPath += WCHAR_PATH_SEPARATOR;
+}
+
+
+#ifdef _WIN32
+
+const wchar_t *kSuperPathPrefix = L"\\\\?\\";
+static const wchar_t *kSuperUncPrefix = L"\\\\?\\UNC\\";
+
+#define IS_DEVICE_PATH(s) ((s)[0] == '\\' && (s)[1] == '\\' && (s)[2] == '.' && (s)[3] == '\\')
+#define IS_SUPER_PREFIX(s) ((s)[0] == '\\' && (s)[1] == '\\' && (s)[2] == '?' && (s)[3] == '\\')
+#define IS_SUPER_OR_DEVICE_PATH(s) ((s)[0] == '\\' && (s)[1] == '\\' && ((s)[2] == '?' || (s)[2] == '.') && (s)[3] == '\\')
+#define IS_LETTER_CHAR(c) ((c) >= 'a' && (c) <= 'z' || (c) >= 'A' && (c) <= 'Z')
+
+#define IS_UNC_WITH_SLASH(s) ( \
+ ((s)[0] == 'U' || (s)[0] == 'u') && \
+ ((s)[1] == 'N' || (s)[1] == 'n') && \
+ ((s)[2] == 'C' || (s)[2] == 'c') && \
+ (s)[3] == '\\')
+
+bool IsDevicePath(CFSTR s) throw()
+{
+ #ifdef UNDER_CE
+
+ s = s;
+ return false;
+ /*
+ // actually we don't know the way to open device file in WinCE.
+ unsigned len = MyStringLen(s);
+ if (len < 5 || len > 5 || memcmp(s, FTEXT("DSK"), 3 * sizeof(FChar)) != 0)
+ return false;
+ if (s[4] != ':')
+ return false;
+ // for reading use SG_REQ sg; if (DeviceIoControl(dsk, IOCTL_DISK_READ));
+ */
+
+ #else
+
+ if (!IS_DEVICE_PATH(s))
+ return false;
+ unsigned len = MyStringLen(s);
+ if (len == 6 && s[5] == ':')
+ return true;
+ if (len < 18 || len > 22 || memcmp(s + kDevicePathPrefixSize, FTEXT("PhysicalDrive"), 13 * sizeof(FChar)) != 0)
+ return false;
+ for (unsigned i = 17; i < len; i++)
+ if (s[i] < '0' || s[i] > '9')
+ return false;
+ return true;
+
+ #endif
+}
+
+bool IsSuperUncPath(CFSTR s) throw() { return (IS_SUPER_PREFIX(s) && IS_UNC_WITH_SLASH(s + kSuperPathPrefixSize)); }
+
+bool IsDrivePath(const wchar_t *s) throw() { return IS_LETTER_CHAR(s[0]) && s[1] == ':' && s[2] == '\\'; }
+bool IsSuperPath(const wchar_t *s) throw() { return IS_SUPER_PREFIX(s); }
+bool IsSuperOrDevicePath(const wchar_t *s) throw() { return IS_SUPER_OR_DEVICE_PATH(s); }
+// bool IsSuperUncPath(const wchar_t *s) { return (IS_SUPER_PREFIX(s) && IS_UNC_WITH_SLASH(s + kSuperPathPrefixSize)); }
+
+#ifndef USE_UNICODE_FSTRING
+bool IsDrivePath(CFSTR s) throw() { return IS_LETTER_CHAR(s[0]) && s[1] == ':' && s[2] == '\\'; }
+bool IsSuperPath(CFSTR s) throw() { return IS_SUPER_PREFIX(s); }
+bool IsSuperOrDevicePath(CFSTR s) throw() { return IS_SUPER_OR_DEVICE_PATH(s); }
+#endif // USE_UNICODE_FSTRING
+
+bool IsAbsolutePath(const wchar_t *s) throw()
+{
+ return s[0] == WCHAR_PATH_SEPARATOR || IsDrivePath(s);
+}
+
+static const unsigned kDrivePrefixSize = 3; /* c:\ */
+
+#ifndef USE_UNICODE_FSTRING
+
+static unsigned GetRootPrefixSize_Of_NetworkPath(CFSTR s) throw()
+{
+ // Network path: we look "server\path\" as root prefix
+ int pos = FindCharPosInString(s, '\\');
+ if (pos < 0)
+ return 0;
+ int pos2 = FindCharPosInString(s + pos + 1, '\\');
+ if (pos2 < 0)
+ return 0;
+ return pos + pos2 + 2;
+}
+
+static unsigned GetRootPrefixSize_Of_SimplePath(CFSTR s) throw()
+{
+ if (IsDrivePath(s))
+ return kDrivePrefixSize;
+ if (s[0] != '\\' || s[1] != '\\')
+ return 0;
+ unsigned size = GetRootPrefixSize_Of_NetworkPath(s + 2);
+ return (size == 0) ? 0 : 2 + size;
+}
+
+static unsigned GetRootPrefixSize_Of_SuperPath(CFSTR s) throw()
+{
+ if (IS_UNC_WITH_SLASH(s + kSuperPathPrefixSize))
+ {
+ unsigned size = GetRootPrefixSize_Of_NetworkPath(s + kSuperUncPathPrefixSize);
+ return (size == 0) ? 0 : kSuperUncPathPrefixSize + size;
+ }
+ // we support \\?\c:\ paths and volume GUID paths \\?\Volume{GUID}\"
+ int pos = FindCharPosInString(s + kSuperPathPrefixSize, FCHAR_PATH_SEPARATOR);
+ if (pos < 0)
+ return 0;
+ return kSuperPathPrefixSize + pos + 1;
+}
+
+unsigned GetRootPrefixSize(CFSTR s) throw()
+{
+ if (IS_DEVICE_PATH(s))
+ return kDevicePathPrefixSize;
+ if (IsSuperPath(s))
+ return GetRootPrefixSize_Of_SuperPath(s);
+ return GetRootPrefixSize_Of_SimplePath(s);
+}
+
+#endif // USE_UNICODE_FSTRING
+
+static unsigned GetRootPrefixSize_Of_NetworkPath(const wchar_t *s) throw()
+{
+ // Network path: we look "server\path\" as root prefix
+ int pos = FindCharPosInString(s, L'\\');
+ if (pos < 0)
+ return 0;
+ int pos2 = FindCharPosInString(s + pos + 1, L'\\');
+ if (pos2 < 0)
+ return 0;
+ return pos + pos2 + 2;
+}
+
+static unsigned GetRootPrefixSize_Of_SimplePath(const wchar_t *s) throw()
+{
+ if (IsDrivePath(s))
+ return kDrivePrefixSize;
+ if (s[0] != '\\' || s[1] != '\\')
+ return 0;
+ unsigned size = GetRootPrefixSize_Of_NetworkPath(s + 2);
+ return (size == 0) ? 0 : 2 + size;
+}
+
+static unsigned GetRootPrefixSize_Of_SuperPath(const wchar_t *s) throw()
+{
+ if (IS_UNC_WITH_SLASH(s + kSuperPathPrefixSize))
+ {
+ unsigned size = GetRootPrefixSize_Of_NetworkPath(s + kSuperUncPathPrefixSize);
+ return (size == 0) ? 0 : kSuperUncPathPrefixSize + size;
+ }
+ // we support \\?\c:\ paths and volume GUID paths \\?\Volume{GUID}\"
+ int pos = FindCharPosInString(s + kSuperPathPrefixSize, L'\\');
+ if (pos < 0)
+ return 0;
+ return kSuperPathPrefixSize + pos + 1;
+}
+
+unsigned GetRootPrefixSize(const wchar_t *s) throw()
+{
+ if (IS_DEVICE_PATH(s))
+ return kDevicePathPrefixSize;
+ if (IsSuperPath(s))
+ return GetRootPrefixSize_Of_SuperPath(s);
+ return GetRootPrefixSize_Of_SimplePath(s);
+}
+
+#else // _WIN32
+
+bool IsAbsolutePath(const wchar_t *s) throw() { return s[0] == WCHAR_PATH_SEPARATOR }
+
+#ifndef USE_UNICODE_FSTRING
+unsigned GetRootPrefixSize(CFSTR s) throw() { return s[0] == CHAR_PATH_SEPRATOR ? 1 : 0; }
+#endif
+unsigned GetRootPrefixSize(const wchar_t *s) throw() { return s[0] == CHAR_PATH_SEPRATOR ? 1 : 0; }
+
+#endif // _WIN32
+
+
+#ifndef UNDER_CE
+
+static bool GetCurDir(UString &path)
+{
+ path.Empty();
+ DWORD needLength;
+ #ifndef _UNICODE
+ if (!g_IsNT)
+ {
+ TCHAR s[MAX_PATH + 2];
+ s[0] = 0;
+ needLength = ::GetCurrentDirectory(MAX_PATH + 1, s);
+ path = fs2us(fas2fs(s));
+ }
+ else
+ #endif
+ {
+ WCHAR s[MAX_PATH + 2];
+ s[0] = 0;
+ needLength = ::GetCurrentDirectoryW(MAX_PATH + 1, s);
+ path = s;
+ }
+ return (needLength > 0 && needLength <= MAX_PATH);
+}
+
+static bool ResolveDotsFolders(UString &s)
+{
+ #ifdef _WIN32
+ s.Replace(L'/', WCHAR_PATH_SEPARATOR);
+ #endif
+ for (int i = 0;;)
+ {
+ wchar_t c = s[i];
+ if (c == 0)
+ return true;
+ if (c == '.' && (i == 0 || s[i - 1] == WCHAR_PATH_SEPARATOR))
+ {
+ wchar_t c1 = s[i + 1];
+ if (c1 == '.')
+ {
+ wchar_t c2 = s[i + 2];
+ if (c2 == WCHAR_PATH_SEPARATOR || c2 == 0)
+ {
+ if (i == 0)
+ return false;
+ int k = i - 2;
+ for (; k >= 0; k--)
+ if (s[k] == WCHAR_PATH_SEPARATOR)
+ break;
+ unsigned num;
+ if (k >= 0)
+ {
+ num = i + 2 - k;
+ i = k;
+ }
+ else
+ {
+ num = (c2 == 0 ? (i + 2) : (i + 3));
+ i = 0;
+ }
+ s.Delete(i, num);
+ continue;
+ }
+ }
+ else
+ {
+ if (c1 == WCHAR_PATH_SEPARATOR || c1 == 0)
+ {
+ unsigned num = 2;
+ if (i != 0)
+ i--;
+ else if (c1 == 0)
+ num = 1;
+ s.Delete(i, num);
+ continue;
+ }
+ }
+ }
+ i++;
+ }
+}
+
+#endif // UNDER_CE
+
+#define LONG_PATH_DOTS_FOLDERS_PARSING
+
+
+/*
+Windows (at least 64-bit XP) can't resolve "." or ".." in paths that start with SuperPrefix \\?\
+To solve that problem we check such path:
+ - super path contains "." or ".." - we use kSuperPathType_UseOnlySuper
+ - super path doesn't contain "." or ".." - we use kSuperPathType_UseOnlyMain
+*/
+#ifdef LONG_PATH_DOTS_FOLDERS_PARSING
+#ifndef UNDER_CE
+static bool AreThereDotsFolders(CFSTR s)
+{
+ for (unsigned i = 0;; i++)
+ {
+ FChar c = s[i];
+ if (c == 0)
+ return false;
+ if (c == '.' && (i == 0 || s[i - 1] == CHAR_PATH_SEPARATOR))
+ {
+ FChar c1 = s[i + 1];
+ if (c1 == 0 || c1 == CHAR_PATH_SEPARATOR ||
+ (c1 == '.' && (s[i + 2] == 0 || s[i + 2] == CHAR_PATH_SEPARATOR)))
+ return true;
+ }
+ }
}
#endif
+#endif // LONG_PATH_DOTS_FOLDERS_PARSING
+
+#ifdef WIN_LONG_PATH
+
+/*
+Most of Windows versions have problems, if some file or dir name
+contains '.' or ' ' at the end of name (Bad Path).
+To solve that problem, we always use Super Path ("\\?\" prefix and full path)
+in such cases. Note that "." and ".." are not bad names.
+
+There are 3 cases:
+ 1) If the path is already Super Path, we use that path
+ 2) If the path is not Super Path :
+ 2.1) Bad Path; we use only Super Path.
+ 2.2) Good Path; we use Main Path. If it fails, we use Super Path.
+
+ NeedToUseOriginalPath returns:
+ kSuperPathType_UseOnlyMain : Super already
+ kSuperPathType_UseOnlySuper : not Super, Bad Path
+ kSuperPathType_UseMainAndSuper : not Super, Good Path
+*/
+
+int GetUseSuperPathType(CFSTR s) throw()
+{
+ if (IsSuperOrDevicePath(s))
+ {
+ #ifdef LONG_PATH_DOTS_FOLDERS_PARSING
+ if ((s)[2] != '.')
+ if (AreThereDotsFolders(s + kSuperPathPrefixSize))
+ return kSuperPathType_UseOnlySuper;
+ #endif
+ return kSuperPathType_UseOnlyMain;
+ }
+
+ for (unsigned i = 0;; i++)
+ {
+ FChar c = s[i];
+ if (c == 0)
+ return kSuperPathType_UseMainAndSuper;
+ if (c == '.' || c == ' ')
+ {
+ FChar c2 = s[i + 1];
+ if (c2 == 0 || c2 == CHAR_PATH_SEPARATOR)
+ {
+ // if it's "." or "..", it's not bad name.
+ if (c == '.')
+ {
+ if (i == 0 || s[i - 1] == CHAR_PATH_SEPARATOR)
+ continue;
+ if (s[i - 1] == '.')
+ {
+ if (i - 1 == 0 || s[i - 2] == CHAR_PATH_SEPARATOR)
+ continue;
+ }
+ }
+ return kSuperPathType_UseOnlySuper;
+ }
+ }
+ }
+}
+
+
+/*
+ returns false in two cases:
+ - if GetCurDir was used, and GetCurDir returned error.
+ - if we can't resolve ".." name.
+ if path is ".", "..", res is empty.
+ if it's Super Path already, res is empty.
+ for \**** , and if GetCurDir is not drive (c:\), res is empty
+ for absolute paths, returns true, res is Super path.
+*/
+
+
+static bool GetSuperPathBase(CFSTR s, UString &res)
+{
+ res.Empty();
+
+ FChar c = s[0];
+ if (c == 0)
+ return true;
+ if (c == '.' && (s[1] == 0 || (s[1] == '.' && s[2] == 0)))
+ return true;
+
+ if (IsSuperOrDevicePath(s))
+ {
+ #ifdef LONG_PATH_DOTS_FOLDERS_PARSING
+
+ if ((s)[2] == '.')
+ return true;
+
+ // we will return true here, so we will try to use these problem paths.
+
+ if (!AreThereDotsFolders(s + kSuperPathPrefixSize))
+ return true;
+
+ UString temp = fs2us(s);
+ unsigned fixedSize = GetRootPrefixSize_Of_SuperPath(temp);
+ if (fixedSize == 0)
+ return true;
+
+ UString rem = &temp[fixedSize];
+ if (!ResolveDotsFolders(rem))
+ return true;
+
+ temp.DeleteFrom(fixedSize);
+ res += temp;
+ res += rem;
+
+ #endif
+
+ return true;
+ }
+
+ if (c == CHAR_PATH_SEPARATOR)
+ {
+ if (s[1] == CHAR_PATH_SEPARATOR)
+ {
+ UString temp = fs2us(s + 2);
+ unsigned fixedSize = GetRootPrefixSize_Of_NetworkPath(temp);
+ if (fixedSize == 0) // maybe we must ignore that error to allow short network paths?
+ return false;
+ UString rem = &temp[fixedSize];
+ if (!ResolveDotsFolders(rem))
+ return false;
+ res += kSuperUncPrefix;
+ temp.DeleteFrom(fixedSize);
+ res += temp;
+ res += rem;
+ return true;
+ }
+ }
+ else
+ {
+ if (IsDrivePath(s))
+ {
+ UString temp = fs2us(s);
+ UString rem = &temp[kDrivePrefixSize];
+ if (!ResolveDotsFolders(rem))
+ return true;
+ res += kSuperPathPrefix;
+ temp.DeleteFrom(kDrivePrefixSize);
+ res += temp;
+ res += rem;
+ return true;
+ }
+ }
+
+ UString curDir;
+ if (!GetCurDir(curDir))
+ return false;
+ if (curDir.Back() != WCHAR_PATH_SEPARATOR)
+ curDir += WCHAR_PATH_SEPARATOR;
+
+ unsigned fixedSizeStart = 0;
+ unsigned fixedSize = 0;
+ const wchar_t *superMarker = NULL;
+ if (IsSuperPath(curDir))
+ {
+ fixedSize = GetRootPrefixSize_Of_SuperPath(curDir);
+ if (fixedSize == 0)
+ return false;
+ }
+ else
+ {
+ if (IsDrivePath(curDir))
+ {
+ superMarker = kSuperPathPrefix;
+ fixedSize = kDrivePrefixSize;
+ }
+ else
+ {
+ if (curDir[0] != CHAR_PATH_SEPARATOR || curDir[1] != CHAR_PATH_SEPARATOR)
+ return false;
+ fixedSizeStart = 2;
+ fixedSize = GetRootPrefixSize_Of_NetworkPath(&curDir[2]);
+ if (fixedSize == 0)
+ return false;
+ superMarker = kSuperUncPrefix;
+ }
+ }
+
+ UString temp;
+ if (c == CHAR_PATH_SEPARATOR)
+ {
+ temp = fs2us(s + 1);
+ }
+ else
+ {
+ temp += &curDir[fixedSizeStart + fixedSize];
+ temp += fs2us(s);
+ }
+ if (!ResolveDotsFolders(temp))
+ return false;
+ if (superMarker)
+ res += superMarker;
+ res += curDir.Mid(fixedSizeStart, fixedSize);
+ res += temp;
+ return true;
+}
+
-const wchar_t kExtensionDelimiter = L'.';
+/*
+ In that case if GetSuperPathBase doesn't return new path, we don't need
+ to use same path that was used as main path
-void SplitNameToPureNameAndExtension(const UString &fullName,
- UString &pureName, UString &extensionDelimiter, UString &extension)
+ GetSuperPathBase superPath.IsEmpty() onlyIfNew
+ false * * GetCurDir Error
+ true false * use Super path
+ true true true don't use any path, we already used mainPath
+ true true false use main path as Super Path, we don't try mainMath
+ That case is possible now if GetCurDir returns unknow
+ type of path (not drive and not network)
+
+ We can change that code if we want to try mainPath, if GetSuperPathBase returns error,
+ and we didn't try mainPath still.
+ If we want to work that way, we don't need to use GetSuperPathBase return code.
+*/
+
+bool GetSuperPath(CFSTR path, UString &superPath, bool onlyIfNew)
+{
+ if (GetSuperPathBase(path, superPath))
+ {
+ if (superPath.IsEmpty())
+ {
+ // actually the only possible when onlyIfNew == true and superPath is empty
+ // is case when
+
+ if (onlyIfNew)
+ return false;
+ superPath = fs2us(path);
+ }
+ return true;
+ }
+ return false;
+}
+
+bool GetSuperPaths(CFSTR s1, CFSTR s2, UString &d1, UString &d2, bool onlyIfNew)
+{
+ if (!GetSuperPathBase(s1, d1) ||
+ !GetSuperPathBase(s2, d2))
+ return false;
+ if (d1.IsEmpty() && d2.IsEmpty() && onlyIfNew)
+ return false;
+ if (d1.IsEmpty()) d1 = fs2us(s1);
+ if (d2.IsEmpty()) d2 = fs2us(s2);
+ return true;
+}
+
+
+/*
+// returns true, if we need additional use with New Super path.
+bool GetSuperPath(CFSTR path, UString &superPath)
+{
+ if (GetSuperPathBase(path, superPath))
+ return !superPath.IsEmpty();
+ return false;
+}
+*/
+#endif // WIN_LONG_PATH
+
+bool GetFullPath(CFSTR dirPrefix, CFSTR s, FString &res)
{
- int index = fullName.ReverseFind(kExtensionDelimiter);
- if (index < 0)
+ res = s;
+
+ #ifdef UNDER_CE
+
+ if (s[0] != CHAR_PATH_SEPARATOR)
+ {
+ if (!dirPrefix)
+ return false;
+ res = dirPrefix;
+ res += s;
+ }
+
+ #else
+
+ unsigned prefixSize = GetRootPrefixSize(s);
+ if (prefixSize != 0)
+ {
+ if (!AreThereDotsFolders(s + prefixSize))
+ return true;
+
+ UString rem = fs2us(s + prefixSize);
+ if (!ResolveDotsFolders(rem))
+ return true; // maybe false;
+ res.DeleteFrom(prefixSize);
+ res += us2fs(rem);
+ return true;
+ }
+
+ /*
+ FChar c = s[0];
+ if (c == 0)
+ return true;
+ if (c == '.' && (s[1] == 0 || (s[1] == '.' && s[2] == 0)))
+ return true;
+ if (c == CHAR_PATH_SEPARATOR && s[1] == CHAR_PATH_SEPARATOR)
+ return true;
+ if (IsDrivePath(s))
+ return true;
+ */
+
+ UString curDir;
+ if (dirPrefix)
+ curDir = fs2us(dirPrefix);
+ else
+ {
+ if (!GetCurDir(curDir))
+ return false;
+ }
+ if (!curDir.IsEmpty() && curDir.Back() != WCHAR_PATH_SEPARATOR)
+ curDir += WCHAR_PATH_SEPARATOR;
+
+ unsigned fixedSize = 0;
+
+ #ifdef _WIN32
+
+ if (IsSuperPath(curDir))
+ {
+ fixedSize = GetRootPrefixSize_Of_SuperPath(curDir);
+ if (fixedSize == 0)
+ return false;
+ }
+ else
+ {
+ if (IsDrivePath(curDir))
+ fixedSize = kDrivePrefixSize;
+ else
+ {
+ if (curDir[0] != WCHAR_PATH_SEPARATOR || curDir[1] != WCHAR_PATH_SEPARATOR)
+ return false;
+ fixedSize = GetRootPrefixSize_Of_NetworkPath(&curDir[2]);
+ if (fixedSize == 0)
+ return false;
+ fixedSize += 2;
+ }
+ }
+
+ #endif // _WIN32
+
+ UString temp;
+ if (s[0] == CHAR_PATH_SEPARATOR)
{
- pureName = fullName;
- extensionDelimiter.Empty();
- extension.Empty();
+ temp = fs2us(s + 1);
}
else
{
- pureName = fullName.Left(index);
- extensionDelimiter = kExtensionDelimiter;
- extension = fullName.Mid(index + 1);
+ temp += curDir.Ptr(fixedSize);
+ temp += fs2us(s);
}
+ if (!ResolveDotsFolders(temp))
+ return false;
+ curDir.DeleteFrom(fixedSize);
+ res = us2fs(curDir);
+ res += us2fs(temp);
+
+ #endif // UNDER_CE
+
+ return true;
+}
+
+bool GetFullPath(CFSTR path, FString &fullPath)
+{
+ return GetFullPath(NULL, path, fullPath);
}
}}}