private static int GlobHelper(string cwd, string pattern, int begin, int end, int sub, int flags, GlobFunc func, GlobArgs arg) {
int p,m;
int status = 0;
StringBuilder newpath = null;
FileSystemInfo st;
p = sub != -1 ? sub : begin;
if (!HasMagic(pattern, p, end, flags)) {
if (DOSISH || (flags & FNM_NOESCAPE) == 0) {
newpath = new StringBuilder();
newpath.Append(pattern, 0, end);
if (sub != -1) {
p = (sub - begin);
end = RemoveBackslashes(newpath, p, end);
sub = p;
} else {
end = RemoveBackslashes(newpath, 0, end);
pattern = newpath.ToString();
}
}
if(pattern[begin] == '/' || (DOSISH && begin+2<end && pattern[begin+1] == ':' && IsDirSep(pattern[begin+2]))) {
string ss = pattern.Substring(begin, end-begin);
if(new FileInfo(ss).Exists || new DirectoryInfo(ss).Exists) {
status = func(pattern, begin, end, arg);
}
} else if((end - begin) > 0) { // Length check is a hack. We should not be reeiving "" as a filename ever.
string ss2 = pattern.Substring(begin, end-begin);
if(new FileInfo(ss2).Exists || new DirectoryInfo(ss2).Exists) {
status = func(pattern, begin, end - begin, arg);
}
}
return status;
}
string bytes2 = pattern;
string buf = "";
var link = new List<string>();
while(p != -1 && status == 0) {
if(bytes2[p] == '/') p++;
m = strchr(bytes2, p, end, '/');
if(HasMagic(bytes2, p, m == -1 ? end : m, flags)) {
do {
string _base = ExtractPath(bytes2, begin, p);
string dir = begin == p ? "." : _base;
string magic = ExtractElem(bytes2,p,end);
bool recursive = false;
try {
if(dir[0] == '/' || (DOSISH && 2<dir.Length && dir[1] == ':' && IsDirSep(dir[2]))) {
st = new DirectoryInfo(dir);
} else {
st = new DirectoryInfo(Path.Combine(cwd, dir));
}
} catch(Exception) {
// A clear sign that the file doesn't exist.
return status;
}
if(st.Exists) {
if(m != -1 && magic.Equals(DOUBLE_STAR)) {
int n = _base.Length;
recursive = true;
buf = _base + bytes2.Substring((_base.Length > 0 ? m : m + 1), end - (_base.Length > 0 ? m : m + 1));
status = GlobHelper(cwd, buf, 0, buf.Length, n, flags, func, arg);
if(status != 0) {
goto finalize;
}
}
} else {
return status;
}
string[] dirp = Files((DirectoryInfo)st);
for(int i=0;i<dirp.Length;i++) {
if(recursive) {
string bs = dirp[i];
if(FilenameMatch(STAR,0,1,bs,0,bs.Length,flags) != 0) {
continue;
}
buf = _base + (BASE(_base) ? SLASH : EMPTY);
buf += dirp[i];
if(buf[0] == '/' || (DOSISH && 2<buf.Length && buf[1] == ':' && IsDirSep(buf[2]))) {
st = new DirectoryInfo(buf);
} else {
st = new DirectoryInfo(Path.Combine(cwd, buf));
}
if(st.Exists && !".".Equals(dirp[i]) && !"..".Equals(dirp[i])) {
int t = buf.Length;
buf += SLASH + DOUBLE_STAR;
buf += bytes2.Substring(m, end-m);
status = GlobHelper(cwd, buf, 0, buf.Length, t, flags, func, arg);
if(status != 0) {
break;
}
}
continue;
}
string bsx = dirp[i];
if(FilenameMatch(magic,0,magic.Length,bsx,0, bsx.Length,flags) == 0) {
buf = _base + (BASE(_base) ? SLASH : EMPTY) + dirp[i];
if(m == -1) {
status = func(buf,0,buf.Length,arg);
if(status != 0) {
break;
}
continue;
}
link.Add(buf);
buf = "";
}
}
} while(false);
finalize:
if(link.Count > 0) {
foreach(string b in link) {
if(status == 0) {
if(b[0] == '/' || (DOSISH && 2<b.Length && b[1] == ':' && IsDirSep(b[2]))) {
st = new DirectoryInfo(b);
} else {
st = new DirectoryInfo(Path.Combine(cwd, b));
}
if(st.Exists) {
int len = b.Length;
buf = b + bytes2.Substring(m, end - m);
status = GlobHelper(cwd,buf,0,buf.Length,len,flags,func,arg);
}
}
}
return status;
}
}
p = m;
}
return status;
}
private static int GlobHelper(string cwd, string pattern, int begin, int end, int sub, int flags, GlobFunc func, GlobArgs arg)
{
int p, m;
int status = 0;
StringBuilder newpath = null;
FileSystemInfo st;
p = sub != -1 ? sub : begin;
if (!HasMagic(pattern, p, end, flags))
{
if (DOSISH || (flags & FNM_NOESCAPE) == 0)
{
newpath = new StringBuilder();
newpath.Append(pattern, 0, end);
if (sub != -1)
{
p = (sub - begin);
end = RemoveBackslashes(newpath, p, end);
sub = p;
}
else
{
end = RemoveBackslashes(newpath, 0, end);
pattern = newpath.ToString();
}
}
if (pattern[begin] == '/' || (DOSISH && begin + 2 < end && pattern[begin + 1] == ':' && IsDirSep(pattern[begin + 2])))
{
string ss = pattern.Substring(begin, end - begin);
if (new FileInfo(ss).Exists || new DirectoryInfo(ss).Exists)
{
status = func(pattern, begin, end, arg);
}
}
else if ((end - begin) > 0) // Length check is a hack. We should not be reeiving "" as a filename ever.
{
string ss2 = pattern.Substring(begin, end - begin);
if (new FileInfo(ss2).Exists || new DirectoryInfo(ss2).Exists)
{
status = func(pattern, begin, end - begin, arg);
}
}
return(status);
}
string bytes2 = pattern;
string buf = "";
var link = new List <string>();
while (p != -1 && status == 0)
{
if (bytes2[p] == '/')
{
p++;
}
m = strchr(bytes2, p, end, '/');
if (HasMagic(bytes2, p, m == -1 ? end : m, flags))
{
do
{
string _base = ExtractPath(bytes2, begin, p);
string dir = begin == p ? "." : _base;
string magic = ExtractElem(bytes2, p, end);
bool recursive = false;
try {
if (dir[0] == '/' || (DOSISH && 2 < dir.Length && dir[1] == ':' && IsDirSep(dir[2])))
{
st = new DirectoryInfo(dir);
}
else
{
st = new DirectoryInfo(Path.Combine(cwd, dir));
}
} catch (Exception) {
// A clear sign that the file doesn't exist.
return(status);
}
if (st.Exists)
{
if (m != -1 && magic.Equals(DOUBLE_STAR))
{
int n = _base.Length;
recursive = true;
buf = _base + bytes2.Substring((_base.Length > 0 ? m : m + 1), end - (_base.Length > 0 ? m : m + 1));
status = GlobHelper(cwd, buf, 0, buf.Length, n, flags, func, arg);
if (status != 0)
{
goto finalize;
}
}
}
else
{
return(status);
}
string[] dirp = Files((DirectoryInfo)st);
for (int i = 0; i < dirp.Length; i++)
{
if (recursive)
{
string bs = dirp[i];
if (FilenameMatch(STAR, 0, 1, bs, 0, bs.Length, flags) != 0)
{
continue;
}
buf = _base + (BASE(_base) ? SLASH : EMPTY);
buf += dirp[i];
if (buf[0] == '/' || (DOSISH && 2 < buf.Length && buf[1] == ':' && IsDirSep(buf[2])))
{
st = new DirectoryInfo(buf);
}
else
{
st = new DirectoryInfo(Path.Combine(cwd, buf));
}
if (st.Exists && !".".Equals(dirp[i]) && !"..".Equals(dirp[i]))
{
int t = buf.Length;
buf += SLASH + DOUBLE_STAR;
buf += bytes2.Substring(m, end - m);
status = GlobHelper(cwd, buf, 0, buf.Length, t, flags, func, arg);
if (status != 0)
{
break;
}
}
continue;
}
string bsx = dirp[i];
if (FilenameMatch(magic, 0, magic.Length, bsx, 0, bsx.Length, flags) == 0)
{
buf = _base + (BASE(_base) ? SLASH : EMPTY) + dirp[i];
if (m == -1)
{
status = func(buf, 0, buf.Length, arg);
if (status != 0)
{
break;
}
continue;
}
link.Add(buf);
buf = "";
}
}
} while(false);
finalize:
if (link.Count > 0)
{
foreach (string b in link)
{
if (status == 0)
{
if (b[0] == '/' || (DOSISH && 2 < b.Length && b[1] == ':' && IsDirSep(b[2])))
{
st = new DirectoryInfo(b);
}
else
{
st = new DirectoryInfo(Path.Combine(cwd, b));
}
if (st.Exists)
{
int len = b.Length;
buf = b + bytes2.Substring(m, end - m);
status = GlobHelper(cwd, buf, 0, buf.Length, len, flags, func, arg);
}
}
}
return(status);
}
}
p = m;
}
return(status);
}
