static bool IsExeFile(const CUpdateItem &ui)
{
if (ui.Attrib & FILE_ATTRIBUTE_UNIX_EXTENSION) {
unsigned short st_mode = ui.Attrib >> 16;
if ((st_mode & 00111) && (ui.Size >= 2048))
{
// file has the execution flag and it's big enought
// try to find if the file is a script
NWindows::NFile::NIO::CInFile file;
if (file.Open(ui.Name))
{
char buffer[512];
UINT32 processedSize;
if (file.Read(buffer,sizeof(buffer),processedSize))
{
for(UInt32 i = 0; i < processedSize ; i++)
{
if (buffer[i] == 0)
{
return true; // this file is not a text (ascii, utf8, ...) !
}
}
}
}
}
}
bool CLang::Open(CFSTR fileName, const wchar_t *id)
{
Clear();
NWindows::NFile::NIO::CInFile file;
if (!file.Open(fileName))
return false;
UInt64 length;
if (!file.GetLength(length))
return false;
if (length > (1 << 20))
return false;
AString s;
unsigned len = (unsigned)length;
char *p = s.GetBuf(len);
UInt32 processed;
if (!file.Read(p, len, processed))
return false;
file.Close();
if (len != processed)
return false;
char *p2 = p;
for (unsigned i = 0; i < len; i++)
{
char c = p[i];
if (c == 0)
break;
if (c != 0x0D)
*p2++ = c;
}
*p2 = 0;
s.ReleaseBuf_SetLen((unsigned)(p2 - p));
if (OpenFromString(s))
{
const wchar_t *name = Get(0);
if (name && wcscmp(name, id) == 0)
return true;
}
Clear();
return false;
}
bool ReadNamesFromListFile(CFSTR fileName, UStringVector &strings, UINT codePage)
{
NWindows::NFile::NIO::CInFile file;
if (!file.Open(fileName))
return false;
UInt64 fileSize;
if (!file.GetLength(fileSize))
return false;
if (fileSize >= ((UInt32)1 << 31) - 32)
return false;
UString u;
if (codePage == MY__CP_UTF16 || codePage == MY__CP_UTF16BE)
{
if ((fileSize & 1) != 0)
return false;
CByteArr buf((size_t)fileSize);
UInt32 processed;
if (!file.Read(buf, (UInt32)fileSize, processed))
return false;
if (processed != fileSize)
return false;
file.Close();
unsigned num = (unsigned)fileSize / 2;
wchar_t *p = u.GetBuf(num);
if (codePage == MY__CP_UTF16)
for (unsigned i = 0; i < num; i++)
{
wchar_t c = GetUi16(buf + i * 2);
if (c == 0)
return false;
p[i] = c;
}
else
for (unsigned i = 0; i < num; i++)
{
wchar_t c = (wchar_t)GetBe16(buf + i * 2);
if (c == 0)
return false;
p[i] = c;
}
p[num] = 0;
u.ReleaseBuf_SetLen(num);
}
else
{
AString s;
char *p = s.GetBuf((unsigned)fileSize);
UInt32 processed;
if (!file.Read(p, (UInt32)fileSize, processed))
return false;
if (processed != fileSize)
return false;
file.Close();
s.ReleaseBuf_CalcLen((unsigned)processed);
if (s.Len() != processed)
return false;
// #ifdef CP_UTF8
if (codePage == CP_UTF8)
{
if (!ConvertUTF8ToUnicode(s, u))
return false;
}
else
// #endif
MultiByteToUnicodeString2(u, s, codePage);
}
const wchar_t kGoodBOM = 0xFEFF;
const wchar_t kBadBOM = 0xFFFE;
UString s;
unsigned i = 0;
for (; i < u.Len() && u[i] == kGoodBOM; i++);
for (; i < u.Len(); i++)
{
wchar_t c = u[i];
if (c == kGoodBOM || c == kBadBOM)
return false;
if (c == L'\n' || c == 0xD)
{
AddName(strings, s);
s.Empty();
}
else
s += c;
}
AddName(strings, s);
return true;
}