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| 1 // ExtractingFilePath.cpp | |
| 2 | |
| 3 #include "StdAfx.h" | |
| 4 #include "ExtractingFilePath.h" | |
| 5 | |
| 6 static UString ReplaceIncorrectChars(const UString &s) | |
| 7 { | |
| 8 #ifdef _WIN32 | |
| 9 UString res; | |
| 10 for (int i = 0; i < s.Length(); i++) | |
| 11 { | |
| 12 wchar_t c = s[i]; | |
| 13 if (c < 0x20 || c == '*' || c == '?' || c == '<' || c == '>' || c == '|' ||
c == ':' || c == '"') | |
| 14 c = '_'; | |
| 15 res += c; | |
| 16 } | |
| 17 res.TrimRight(); | |
| 18 return res; | |
| 19 #else | |
| 20 return s; | |
| 21 #endif | |
| 22 } | |
| 23 | |
| 24 #ifdef _WIN32 | |
| 25 static const wchar_t *g_ReservedNames[] = | |
| 26 { | |
| 27 L"CON", L"PRN", L"AUX", L"NUL" | |
| 28 }; | |
| 29 | |
| 30 static bool CheckTail(const UString &name, int len) | |
| 31 { | |
| 32 int dotPos = name.Find(L'.'); | |
| 33 if (dotPos < 0) | |
| 34 dotPos = name.Length(); | |
| 35 UString s = name.Left(dotPos); | |
| 36 s.TrimRight(); | |
| 37 return (s.Length() != len); | |
| 38 } | |
| 39 | |
| 40 static bool CheckNameNum(const UString &name, const wchar_t *reservedName) | |
| 41 { | |
| 42 int len = MyStringLen(reservedName); | |
| 43 if (name.Length() <= len) | |
| 44 return true; | |
| 45 if (name.Left(len).CompareNoCase(reservedName) != 0) | |
| 46 return true; | |
| 47 wchar_t c = name[len]; | |
| 48 if (c < L'0' || c > L'9') | |
| 49 return true; | |
| 50 return CheckTail(name, len + 1); | |
| 51 } | |
| 52 | |
| 53 static bool IsSupportedName(const UString &name) | |
| 54 { | |
| 55 for (int i = 0; i < sizeof(g_ReservedNames) / sizeof(g_ReservedNames[0]); i++) | |
| 56 { | |
| 57 const wchar_t *reservedName = g_ReservedNames[i]; | |
| 58 int len = MyStringLen(reservedName); | |
| 59 if (name.Length() < len) | |
| 60 continue; | |
| 61 if (name.Left(len).CompareNoCase(reservedName) != 0) | |
| 62 continue; | |
| 63 if (!CheckTail(name, len)) | |
| 64 return false; | |
| 65 } | |
| 66 if (!CheckNameNum(name, L"COM")) | |
| 67 return false; | |
| 68 return CheckNameNum(name, L"LPT"); | |
| 69 } | |
| 70 #endif | |
| 71 | |
| 72 static UString GetCorrectFileName(const UString &path) | |
| 73 { | |
| 74 if (path == L".." || path == L".") | |
| 75 return UString(); | |
| 76 return ReplaceIncorrectChars(path); | |
| 77 } | |
| 78 | |
| 79 void MakeCorrectPath(UStringVector &pathParts) | |
| 80 { | |
| 81 for (int i = 0; i < pathParts.Size();) | |
| 82 { | |
| 83 UString &s = pathParts[i]; | |
| 84 s = GetCorrectFileName(s); | |
| 85 if (s.IsEmpty()) | |
| 86 pathParts.Delete(i); | |
| 87 else | |
| 88 { | |
| 89 #ifdef _WIN32 | |
| 90 if (!IsSupportedName(s)) | |
| 91 s = (UString)L"_" + s; | |
| 92 #endif | |
| 93 i++; | |
| 94 } | |
| 95 } | |
| 96 } | |
| 97 | |
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Chromium Code Reviews
Issue 624713003:
Keep only base/extractor.[cc|h]. (Closed)
Base URL: https://chromium.googlesource.com/external/omaha.git@master