// ExtractingFilePath.cpp | |
#include "StdAfx.h" | |
#include "../../../../C/Types.h" | |
#include "Common/Wildcard.h" | |
#include "ExtractingFilePath.h" | |
static UString ReplaceIncorrectChars(const UString &s) | |
{ | |
#ifdef _WIN32 | |
UString res; | |
for (int i = 0; i < s.Length(); i++) | |
{ | |
wchar_t c = s[i]; | |
if (c < 0x20 || c == '*' || c == '?' || c == '<' || c == '>' || c == '|' || c == ':' || c == '"') | |
c = '_'; | |
res += c; | |
} | |
res.TrimRight(); | |
while (!res.IsEmpty() && res[res.Length() - 1] == '.') | |
res.Delete(res.Length() - 1); | |
return res; | |
#else | |
return s; | |
#endif | |
} | |
#ifdef _WIN32 | |
static const wchar_t *g_ReservedNames[] = | |
{ | |
L"CON", L"PRN", L"AUX", L"NUL" | |
}; | |
static bool CheckTail(const UString &name, int len) | |
{ | |
int dotPos = name.Find(L'.'); | |
if (dotPos < 0) | |
dotPos = name.Length(); | |
UString s = name.Left(dotPos); | |
s.TrimRight(); | |
return (s.Length() != len); | |
} | |
static bool CheckNameNum(const UString &name, const wchar_t *reservedName) | |
{ | |
int len = MyStringLen(reservedName); | |
if (name.Length() <= len) | |
return true; | |
if (name.Left(len).CompareNoCase(reservedName) != 0) | |
return true; | |
wchar_t c = name[len]; | |
if (c < L'0' || c > L'9') | |
return true; | |
return CheckTail(name, len + 1); | |
} | |
static bool IsSupportedName(const UString &name) | |
{ | |
for (int i = 0; i < sizeof(g_ReservedNames) / sizeof(g_ReservedNames[0]); i++) | |
{ | |
const wchar_t *reservedName = g_ReservedNames[i]; | |
int len = MyStringLen(reservedName); | |
if (name.Length() < len) | |
continue; | |
if (name.Left(len).CompareNoCase(reservedName) != 0) | |
continue; | |
if (!CheckTail(name, len)) | |
return false; | |
} | |
if (!CheckNameNum(name, L"COM")) | |
return false; | |
return CheckNameNum(name, L"LPT"); | |
} | |
#endif | |
static UString GetCorrectFileName(const UString &path) | |
{ | |
if (path == L".." || path == L".") | |
return UString(); | |
return ReplaceIncorrectChars(path); | |
} | |
void MakeCorrectPath(UStringVector &pathParts) | |
{ | |
for (int i = 0; i < pathParts.Size();) | |
{ | |
UString &s = pathParts[i]; | |
s = GetCorrectFileName(s); | |
if (s.IsEmpty()) | |
pathParts.Delete(i); | |
else | |
{ | |
#ifdef _WIN32 | |
if (!IsSupportedName(s)) | |
s = (UString)L"_" + s; | |
#endif | |
i++; | |
} | |
} | |
} | |
UString MakePathNameFromParts(const UStringVector &parts) | |
{ | |
UString result; | |
for (int i = 0; i < parts.Size(); i++) | |
{ | |
if (i != 0) | |
result += WCHAR_PATH_SEPARATOR; | |
result += parts[i]; | |
} | |
return result; | |
} | |
UString GetCorrectFsPath(const UString &path) | |
{ | |
UString res = GetCorrectFileName(path); | |
#ifdef _WIN32 | |
if (!IsSupportedName(res)) | |
res = (UString)L"_" + res; | |
#endif | |
return res; | |
} | |
UString GetCorrectFullFsPath(const UString &path) | |
{ | |
UStringVector parts; | |
SplitPathToParts(path, parts); | |
for (int i = 0; i < parts.Size(); i++) | |
{ | |
UString &s = parts[i]; | |
#ifdef _WIN32 | |
while (!s.IsEmpty() && s[s.Length() - 1] == '.') | |
s.Delete(s.Length() - 1); | |
if (!IsSupportedName(s)) | |
s = (UString)L"_" + s; | |
#endif | |
} | |
return MakePathNameFromParts(parts); | |
} |