diff options
Diffstat (limited to 'other-licenses/7zstub/src/CPP/Common/Wildcard.cpp')
| -rw-r--r-- | other-licenses/7zstub/src/CPP/Common/Wildcard.cpp | 676 |
1 files changed, 676 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/Common/Wildcard.cpp b/other-licenses/7zstub/src/CPP/Common/Wildcard.cpp new file mode 100644 index 000000000..43e4baa17 --- /dev/null +++ b/other-licenses/7zstub/src/CPP/Common/Wildcard.cpp @@ -0,0 +1,676 @@ +// Common/Wildcard.cpp
+
+#include "StdAfx.h"
+
+#include "Wildcard.h"
+
+bool g_CaseSensitive =
+ #ifdef _WIN32
+ false;
+ #else
+ true;
+ #endif
+
+
+bool IsPath1PrefixedByPath2(const wchar_t *s1, const wchar_t *s2)
+{
+ if (g_CaseSensitive)
+ return IsString1PrefixedByString2(s1, s2);
+ return IsString1PrefixedByString2_NoCase(s1, s2);
+}
+
+int CompareFileNames(const wchar_t *s1, const wchar_t *s2) STRING_UNICODE_THROW
+{
+ if (g_CaseSensitive)
+ return MyStringCompare(s1, s2);
+ return MyStringCompareNoCase(s1, s2);
+}
+
+#ifndef USE_UNICODE_FSTRING
+int CompareFileNames(const char *s1, const char *s2)
+{
+ const UString u1 = fs2us(s1);
+ const UString u2 = fs2us(s2);
+ if (g_CaseSensitive)
+ return MyStringCompare(u1, u2);
+ return MyStringCompareNoCase(u1, u2);
+}
+#endif
+
+// -----------------------------------------
+// this function compares name with mask
+// ? - any char
+// * - any char or empty
+
+static bool EnhancedMaskTest(const wchar_t *mask, const wchar_t *name)
+{
+ for (;;)
+ {
+ wchar_t m = *mask;
+ wchar_t c = *name;
+ if (m == 0)
+ return (c == 0);
+ if (m == '*')
+ {
+ if (EnhancedMaskTest(mask + 1, name))
+ return true;
+ if (c == 0)
+ return false;
+ }
+ else
+ {
+ if (m == '?')
+ {
+ if (c == 0)
+ return false;
+ }
+ else if (m != c)
+ if (g_CaseSensitive || MyCharUpper(m) != MyCharUpper(c))
+ return false;
+ mask++;
+ }
+ name++;
+ }
+}
+
+// --------------------------------------------------
+// Splits path to strings
+
+void SplitPathToParts(const UString &path, UStringVector &pathParts)
+{
+ pathParts.Clear();
+ unsigned len = path.Len();
+ if (len == 0)
+ return;
+ UString name;
+ unsigned prev = 0;
+ for (unsigned i = 0; i < len; i++)
+ if (IsPathSepar(path[i]))
+ {
+ name.SetFrom(path.Ptr(prev), i - prev);
+ pathParts.Add(name);
+ prev = i + 1;
+ }
+ name.SetFrom(path.Ptr(prev), len - prev);
+ pathParts.Add(name);
+}
+
+void SplitPathToParts_2(const UString &path, UString &dirPrefix, UString &name)
+{
+ const wchar_t *start = path;
+ const wchar_t *p = start + path.Len();
+ for (; p != start; p--)
+ if (IsPathSepar(*(p - 1)))
+ break;
+ dirPrefix.SetFrom(path, (unsigned)(p - start));
+ name = p;
+}
+
+void SplitPathToParts_Smart(const UString &path, UString &dirPrefix, UString &name)
+{
+ const wchar_t *start = path;
+ const wchar_t *p = start + path.Len();
+ if (p != start)
+ {
+ if (IsPathSepar(*(p - 1)))
+ p--;
+ for (; p != start; p--)
+ if (IsPathSepar(*(p - 1)))
+ break;
+ }
+ dirPrefix.SetFrom(path, (unsigned)(p - start));
+ name = p;
+}
+
+/*
+UString ExtractDirPrefixFromPath(const UString &path)
+{
+ return path.Left(path.ReverseFind_PathSepar() + 1));
+}
+*/
+
+UString ExtractFileNameFromPath(const UString &path)
+{
+ return UString(path.Ptr(path.ReverseFind_PathSepar() + 1));
+}
+
+
+bool DoesWildcardMatchName(const UString &mask, const UString &name)
+{
+ return EnhancedMaskTest(mask, name);
+}
+
+bool DoesNameContainWildcard(const UString &path)
+{
+ for (unsigned i = 0; i < path.Len(); i++)
+ {
+ wchar_t c = path[i];
+ if (c == '*' || c == '?')
+ return true;
+ }
+ return false;
+}
+
+
+// ----------------------------------------------------------'
+// NWildcard
+
+namespace NWildcard {
+
+/*
+
+M = MaskParts.Size();
+N = TestNameParts.Size();
+
+ File Dir
+ForFile rec M<=N [N-M, N) -
+!ForDir nonrec M=N [0, M) -
+
+ForDir rec M<N [0, M) ... [N-M-1, N-1) same as ForBoth-File
+!ForFile nonrec [0, M) same as ForBoth-File
+
+ForFile rec m<=N [0, M) ... [N-M, N) same as ForBoth-File
+ForDir nonrec [0, M) same as ForBoth-File
+
+*/
+
+bool CItem::AreAllAllowed() const
+{
+ return ForFile && ForDir && WildcardMatching && PathParts.Size() == 1 && PathParts.Front() == L"*";
+}
+
+bool CItem::CheckPath(const UStringVector &pathParts, bool isFile) const
+{
+ if (!isFile && !ForDir)
+ return false;
+
+ /*
+ if (PathParts.IsEmpty())
+ {
+ // PathParts.IsEmpty() means all items (universal wildcard)
+ if (!isFile)
+ return true;
+ if (pathParts.Size() <= 1)
+ return ForFile;
+ return (ForDir || Recursive && ForFile);
+ }
+ */
+
+ int delta = (int)pathParts.Size() - (int)PathParts.Size();
+ if (delta < 0)
+ return false;
+ int start = 0;
+ int finish = 0;
+
+ if (isFile)
+ {
+ if (!ForDir)
+ {
+ if (Recursive)
+ start = delta;
+ else if (delta !=0)
+ return false;
+ }
+ if (!ForFile && delta == 0)
+ return false;
+ }
+
+ if (Recursive)
+ {
+ finish = delta;
+ if (isFile && !ForFile)
+ finish = delta - 1;
+ }
+
+ for (int d = start; d <= finish; d++)
+ {
+ unsigned i;
+ for (i = 0; i < PathParts.Size(); i++)
+ {
+ if (WildcardMatching)
+ {
+ if (!DoesWildcardMatchName(PathParts[i], pathParts[i + d]))
+ break;
+ }
+ else
+ {
+ if (CompareFileNames(PathParts[i], pathParts[i + d]) != 0)
+ break;
+ }
+ }
+ if (i == PathParts.Size())
+ return true;
+ }
+ return false;
+}
+
+bool CCensorNode::AreAllAllowed() const
+{
+ if (!Name.IsEmpty() ||
+ !SubNodes.IsEmpty() ||
+ !ExcludeItems.IsEmpty() ||
+ IncludeItems.Size() != 1)
+ return false;
+ return IncludeItems.Front().AreAllAllowed();
+}
+
+int CCensorNode::FindSubNode(const UString &name) const
+{
+ FOR_VECTOR (i, SubNodes)
+ if (CompareFileNames(SubNodes[i].Name, name) == 0)
+ return i;
+ return -1;
+}
+
+void CCensorNode::AddItemSimple(bool include, CItem &item)
+{
+ if (include)
+ IncludeItems.Add(item);
+ else
+ ExcludeItems.Add(item);
+}
+
+void CCensorNode::AddItem(bool include, CItem &item, int ignoreWildcardIndex)
+{
+ if (item.PathParts.Size() <= 1)
+ {
+ if (item.PathParts.Size() != 0 && item.WildcardMatching)
+ {
+ if (!DoesNameContainWildcard(item.PathParts.Front()))
+ item.WildcardMatching = false;
+ }
+ AddItemSimple(include, item);
+ return;
+ }
+ const UString &front = item.PathParts.Front();
+
+ // WIN32 doesn't support wildcards in file names
+ if (item.WildcardMatching
+ && ignoreWildcardIndex != 0
+ && DoesNameContainWildcard(front))
+ {
+ AddItemSimple(include, item);
+ return;
+ }
+ int index = FindSubNode(front);
+ if (index < 0)
+ index = SubNodes.Add(CCensorNode(front, this));
+ item.PathParts.Delete(0);
+ SubNodes[index].AddItem(include, item, ignoreWildcardIndex - 1);
+}
+
+void CCensorNode::AddItem(bool include, const UString &path, bool recursive, bool forFile, bool forDir, bool wildcardMatching)
+{
+ CItem item;
+ SplitPathToParts(path, item.PathParts);
+ item.Recursive = recursive;
+ item.ForFile = forFile;
+ item.ForDir = forDir;
+ item.WildcardMatching = wildcardMatching;
+ AddItem(include, item);
+}
+
+bool CCensorNode::NeedCheckSubDirs() const
+{
+ FOR_VECTOR (i, IncludeItems)
+ {
+ const CItem &item = IncludeItems[i];
+ if (item.Recursive || item.PathParts.Size() > 1)
+ return true;
+ }
+ return false;
+}
+
+bool CCensorNode::AreThereIncludeItems() const
+{
+ if (IncludeItems.Size() > 0)
+ return true;
+ FOR_VECTOR (i, SubNodes)
+ if (SubNodes[i].AreThereIncludeItems())
+ return true;
+ return false;
+}
+
+bool CCensorNode::CheckPathCurrent(bool include, const UStringVector &pathParts, bool isFile) const
+{
+ const CObjectVector<CItem> &items = include ? IncludeItems : ExcludeItems;
+ FOR_VECTOR (i, items)
+ if (items[i].CheckPath(pathParts, isFile))
+ return true;
+ return false;
+}
+
+bool CCensorNode::CheckPathVect(const UStringVector &pathParts, bool isFile, bool &include) const
+{
+ if (CheckPathCurrent(false, pathParts, isFile))
+ {
+ include = false;
+ return true;
+ }
+ include = true;
+ bool finded = CheckPathCurrent(true, pathParts, isFile);
+ if (pathParts.Size() <= 1)
+ return finded;
+ int index = FindSubNode(pathParts.Front());
+ if (index >= 0)
+ {
+ UStringVector pathParts2 = pathParts;
+ pathParts2.Delete(0);
+ if (SubNodes[index].CheckPathVect(pathParts2, isFile, include))
+ return true;
+ }
+ return finded;
+}
+
+/*
+bool CCensorNode::CheckPath2(bool isAltStream, const UString &path, bool isFile, bool &include) const
+{
+ UStringVector pathParts;
+ SplitPathToParts(path, pathParts);
+ if (CheckPathVect(pathParts, isFile, include))
+ {
+ if (!include || !isAltStream)
+ return true;
+ }
+ if (isAltStream && !pathParts.IsEmpty())
+ {
+ UString &back = pathParts.Back();
+ int pos = back.Find(L':');
+ if (pos > 0)
+ {
+ back.DeleteFrom(pos);
+ return CheckPathVect(pathParts, isFile, include);
+ }
+ }
+ return false;
+}
+
+bool CCensorNode::CheckPath(bool isAltStream, const UString &path, bool isFile) const
+{
+ bool include;
+ if (CheckPath2(isAltStream, path, isFile, include))
+ return include;
+ return false;
+}
+*/
+
+bool CCensorNode::CheckPathToRoot(bool include, UStringVector &pathParts, bool isFile) const
+{
+ if (CheckPathCurrent(include, pathParts, isFile))
+ return true;
+ if (Parent == 0)
+ return false;
+ pathParts.Insert(0, Name);
+ return Parent->CheckPathToRoot(include, pathParts, isFile);
+}
+
+/*
+bool CCensorNode::CheckPathToRoot(bool include, const UString &path, bool isFile) const
+{
+ UStringVector pathParts;
+ SplitPathToParts(path, pathParts);
+ return CheckPathToRoot(include, pathParts, isFile);
+}
+*/
+
+void CCensorNode::AddItem2(bool include, const UString &path, bool recursive, bool wildcardMatching)
+{
+ if (path.IsEmpty())
+ return;
+ bool forFile = true;
+ bool forFolder = true;
+ UString path2 (path);
+ if (IsPathSepar(path.Back()))
+ {
+ path2.DeleteBack();
+ forFile = false;
+ }
+ AddItem(include, path2, recursive, forFile, forFolder, wildcardMatching);
+}
+
+void CCensorNode::ExtendExclude(const CCensorNode &fromNodes)
+{
+ ExcludeItems += fromNodes.ExcludeItems;
+ FOR_VECTOR (i, fromNodes.SubNodes)
+ {
+ const CCensorNode &node = fromNodes.SubNodes[i];
+ int subNodeIndex = FindSubNode(node.Name);
+ if (subNodeIndex < 0)
+ subNodeIndex = SubNodes.Add(CCensorNode(node.Name, this));
+ SubNodes[subNodeIndex].ExtendExclude(node);
+ }
+}
+
+int CCensor::FindPrefix(const UString &prefix) const
+{
+ FOR_VECTOR (i, Pairs)
+ if (CompareFileNames(Pairs[i].Prefix, prefix) == 0)
+ return i;
+ return -1;
+}
+
+#ifdef _WIN32
+
+bool IsDriveColonName(const wchar_t *s)
+{
+ wchar_t c = s[0];
+ return c != 0 && s[1] == ':' && s[2] == 0 && (c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z');
+}
+
+unsigned GetNumPrefixParts_if_DrivePath(UStringVector &pathParts)
+{
+ if (pathParts.IsEmpty())
+ return 0;
+
+ unsigned testIndex = 0;
+ if (pathParts[0].IsEmpty())
+ {
+ if (pathParts.Size() < 4
+ || !pathParts[1].IsEmpty()
+ || pathParts[2] != L"?")
+ return 0;
+ testIndex = 3;
+ }
+ if (NWildcard::IsDriveColonName(pathParts[testIndex]))
+ return testIndex + 1;
+ return 0;
+}
+
+#endif
+
+static unsigned GetNumPrefixParts(const UStringVector &pathParts)
+{
+ if (pathParts.IsEmpty())
+ return 0;
+
+ #ifdef _WIN32
+
+ if (IsDriveColonName(pathParts[0]))
+ return 1;
+ if (!pathParts[0].IsEmpty())
+ return 0;
+
+ if (pathParts.Size() == 1)
+ return 1;
+ if (!pathParts[1].IsEmpty())
+ return 1;
+ if (pathParts.Size() == 2)
+ return 2;
+ if (pathParts[2] == L".")
+ return 3;
+
+ unsigned networkParts = 2;
+ if (pathParts[2] == L"?")
+ {
+ if (pathParts.Size() == 3)
+ return 3;
+ if (IsDriveColonName(pathParts[3]))
+ return 4;
+ if (!pathParts[3].IsEqualTo_Ascii_NoCase("UNC"))
+ return 3;
+ networkParts = 4;
+ }
+
+ networkParts +=
+ // 2; // server/share
+ 1; // server
+ if (pathParts.Size() <= networkParts)
+ return pathParts.Size();
+ return networkParts;
+
+ #else
+
+ return pathParts[0].IsEmpty() ? 1 : 0;
+
+ #endif
+}
+
+void CCensor::AddItem(ECensorPathMode pathMode, bool include, const UString &path, bool recursive, bool wildcardMatching)
+{
+ if (path.IsEmpty())
+ throw "Empty file path";
+
+ UStringVector pathParts;
+ SplitPathToParts(path, pathParts);
+
+ bool forFile = true;
+ if (pathParts.Back().IsEmpty())
+ {
+ forFile = false;
+ pathParts.DeleteBack();
+ }
+
+ UString prefix;
+
+ int ignoreWildcardIndex = -1;
+
+ // #ifdef _WIN32
+ // we ignore "?" wildcard in "\\?\" prefix.
+ if (pathParts.Size() >= 3
+ && pathParts[0].IsEmpty()
+ && pathParts[1].IsEmpty()
+ && pathParts[2] == L"?")
+ ignoreWildcardIndex = 2;
+ // #endif
+
+ if (pathMode != k_AbsPath)
+ {
+ ignoreWildcardIndex = -1;
+
+ const unsigned numPrefixParts = GetNumPrefixParts(pathParts);
+ unsigned numSkipParts = numPrefixParts;
+
+ if (pathMode != k_FullPath)
+ {
+ if (numPrefixParts != 0 && pathParts.Size() > numPrefixParts)
+ numSkipParts = pathParts.Size() - 1;
+ }
+ {
+ int dotsIndex = -1;
+ for (unsigned i = numPrefixParts; i < pathParts.Size(); i++)
+ {
+ const UString &part = pathParts[i];
+ if (part == L".." || part == L".")
+ dotsIndex = i;
+ }
+
+ if (dotsIndex >= 0)
+ if (dotsIndex == (int)pathParts.Size() - 1)
+ numSkipParts = pathParts.Size();
+ else
+ numSkipParts = pathParts.Size() - 1;
+ }
+
+ for (unsigned i = 0; i < numSkipParts; i++)
+ {
+ {
+ const UString &front = pathParts.Front();
+ // WIN32 doesn't support wildcards in file names
+ if (wildcardMatching)
+ if (i >= numPrefixParts && DoesNameContainWildcard(front))
+ break;
+ prefix += front;
+ prefix.Add_PathSepar();
+ }
+ pathParts.Delete(0);
+ }
+ }
+
+ int index = FindPrefix(prefix);
+ if (index < 0)
+ index = Pairs.Add(CPair(prefix));
+
+ if (pathMode != k_AbsPath)
+ {
+ if (pathParts.IsEmpty() || pathParts.Size() == 1 && pathParts[0].IsEmpty())
+ {
+ // we create universal item, if we skip all parts as prefix (like \ or L:\ )
+ pathParts.Clear();
+ pathParts.Add(UString("*"));
+ forFile = true;
+ wildcardMatching = true;
+ recursive = false;
+ }
+ }
+
+ CItem item;
+ item.PathParts = pathParts;
+ item.ForDir = true;
+ item.ForFile = forFile;
+ item.Recursive = recursive;
+ item.WildcardMatching = wildcardMatching;
+ Pairs[index].Head.AddItem(include, item, ignoreWildcardIndex);
+}
+
+/*
+bool CCensor::CheckPath(bool isAltStream, const UString &path, bool isFile) const
+{
+ bool finded = false;
+ FOR_VECTOR (i, Pairs)
+ {
+ bool include;
+ if (Pairs[i].Head.CheckPath2(isAltStream, path, isFile, include))
+ {
+ if (!include)
+ return false;
+ finded = true;
+ }
+ }
+ return finded;
+}
+*/
+
+void CCensor::ExtendExclude()
+{
+ unsigned i;
+ for (i = 0; i < Pairs.Size(); i++)
+ if (Pairs[i].Prefix.IsEmpty())
+ break;
+ if (i == Pairs.Size())
+ return;
+ unsigned index = i;
+ for (i = 0; i < Pairs.Size(); i++)
+ if (index != i)
+ Pairs[i].Head.ExtendExclude(Pairs[index].Head);
+}
+
+void CCensor::AddPathsToCensor(ECensorPathMode censorPathMode)
+{
+ FOR_VECTOR(i, CensorPaths)
+ {
+ const CCensorPath &cp = CensorPaths[i];
+ AddItem(censorPathMode, cp.Include, cp.Path, cp.Recursive, cp.WildcardMatching);
+ }
+ CensorPaths.Clear();
+}
+
+void CCensor::AddPreItem(bool include, const UString &path, bool recursive, bool wildcardMatching)
+{
+ CCensorPath &cp = CensorPaths.AddNew();
+ cp.Path = path;
+ cp.Include = include;
+ cp.Recursive = recursive;
+ cp.WildcardMatching = wildcardMatching;
+}
+
+}
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