misc/libphysfs/lzma/CPP/7zip/UI/Common/ExtractingFilePath.cpp
author unc0rr
Thu, 11 Oct 2018 23:43:31 +0200
changeset 13885 5f819b90d479
parent 12218 bb5522e88ab2
permissions -rw-r--r--
- Fix insert() for strings in pas2c - Implement insert() for ansistrings
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
12218
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// ExtractingFilePath.cpp
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#include "StdAfx.h"
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#include "ExtractingFilePath.h"
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static UString ReplaceIncorrectChars(const UString &s)
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{
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  #ifdef _WIN32
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  UString res;
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  for (int i = 0; i < s.Length(); i++)
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  {
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    wchar_t c = s[i];
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    if (c < 0x20 || c == '*' || c == '?' || c == '<' || c == '>'  || c == '|' || c == ':' || c == '"')
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      c = '_';
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    res += c;
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  }
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  return res;
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  #else
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  return s;
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  #endif
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}
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#ifdef _WIN32
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static const wchar_t *g_ReservedNames[] =
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{
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  L"CON", L"PRN", L"AUX", L"NUL"
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};
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static bool CheckTail(const UString &name, int len)
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{
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  int dotPos = name.Find(L'.');
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  if (dotPos < 0)
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    dotPos = name.Length();
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  UString s = name.Left(dotPos);
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  s.TrimRight();
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  return (s.Length() != len);
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}
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static bool CheckNameNum(const UString &name, const wchar_t *reservedName)
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{
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  int len = MyStringLen(reservedName);
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  if (name.Length() <= len)
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    return true;
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  if (name.Left(len).CompareNoCase(reservedName) != 0)
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    return true;
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  wchar_t c = name[len];
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  if (c < L'0' || c > L'9')
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    return true;
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  return CheckTail(name, len + 1);
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}
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static bool IsSupportedName(const UString &name)
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{
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  for (int i = 0; i < sizeof(g_ReservedNames) / sizeof(g_ReservedNames[0]); i++)
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  {
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    const wchar_t *reservedName = g_ReservedNames[i];
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    int len = MyStringLen(reservedName);
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    if (name.Length() < len)
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      continue;
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    if (name.Left(len).CompareNoCase(reservedName) != 0)
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      continue;
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    if (!CheckTail(name, len))
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      return false;
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  }
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  if (!CheckNameNum(name, L"COM"))
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    return false;
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  return CheckNameNum(name, L"LPT");
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}
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#endif
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static UString GetCorrectFileName(const UString &path)
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{
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  if (path == L".." || path == L".")
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    return UString();
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  return ReplaceIncorrectChars(path);
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}
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    77
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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    78
void MakeCorrectPath(UStringVector &pathParts)
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    79
{
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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    80
  for (int i = 0; i < pathParts.Size();)
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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    81
  {
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    82
    UString &s = pathParts[i];
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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    83
    s = GetCorrectFileName(s);
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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    84
    if (s.IsEmpty())
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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    85
      pathParts.Delete(i);
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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    86
    else
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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    87
    {
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
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    88
      #ifdef _WIN32
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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    89
      if (!IsSupportedName(s))
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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    90
        s = (UString)L"_" + s;
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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    91
      #endif
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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    92
      i++;
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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    93
    }
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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    94
  }
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
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    95
}
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
nemo
parents:
diff changeset
    96