/// <summary>
/// Standard constructor
/// </summary>
/// <param name="name"></param>
/// <param name="parent"></param>
public TnsNames(string name, TnsNames parent)
{
Name = name;
Parent = parent;
if (parent != null)
{
parent.m_Items.Add(this);
}
}
/// <summary>
/// Standard Constructor
/// </summary>
/// <param name="directoryName"></param>
public OracleHome(string directoryName)
{
ClientPath = directoryName ?? throw new ArgumentNullException(nameof(directoryName));
string netWork = Path.Combine(ClientPath, "network", "admin");
m_TnsNames = new Lazy <TnsNames>(() => TnsNames.Load(Path.Combine(netWork, "tnsnames.ora")));
m_Ldap = new Lazy <IReadOnlyDictionary <string, string> >(() => ReadAsDictionary(Path.Combine(netWork, "ldap.ora")));
m_SqlNet = new Lazy <IReadOnlyDictionary <string, string> >(() => ReadAsDictionary(Path.Combine(netWork, "sqlnet.ora")));
}
/// <summary>
/// Load
/// </summary>
public static TnsNames Load(IEnumerable <string> lines)
{
if (null == lines)
{
throw new ArgumentNullException(nameof(lines));
}
TnsNames root = new TnsNames("", null);
Stack <TnsNames> current = new Stack <TnsNames>();
current.Push(root);
StringBuilder sb = new StringBuilder();
int bracketCount = 0;
bool inQuot = false;
bool inValue = false;
bool inName = false;
foreach (string line in lines)
{
foreach (char c in line)
{
if (inQuot)
{
sb.Append(c);
if (c == '"')
{
inQuot = !inQuot;
}
}
else if (c == '#')
{
break;
}
else if (c == '"')
{
sb.Append(c);
inQuot = true;
}
else if (c == '(')
{
bracketCount += 1;
inValue = false;
inName = true;
TnsNames child = new TnsNames("", current.Peek());
current.Push(child);
}
else if (c == '=')
{
if (inName)
{
current.Peek().Name = sb.ToString().Trim();
}
else
{
if (bracketCount <= 0)
{
bracketCount = 0;
if (current.Count > 1)
{
current.Pop();
}
}
TnsNames child = new TnsNames(sb.ToString(), current.Peek());
current.Push(child);
}
sb.Clear();
inName = false;
inValue = true;
}
else if (c == ')')
{
if (inValue)
{
new TnsNames(sb.ToString(), current.Peek());
}
bracketCount -= 1;
sb.Clear();
inValue = false;
inName = false;
current.Pop();
}
else
{
sb.Append(c);
}
}
}
return(root);
}
