protected void BuildParents()
{
var x = 0;
string relPath;
while (LocalEntries.TryGetValue("parent." + x, out relPath))
{
if (_root != null && !String.IsNullOrEmpty(_root.FullName) && !String.IsNullOrEmpty(relPath))
{
var rootDir = Path.GetDirectoryName(_root.FullName);
if (!String.IsNullOrEmpty(rootDir))
{
var absPath = Path.GetFullPath(Path.Combine(rootDir, relPath));
var fi = new FileInfo(absPath);
if (fi.Exists)
{
var parent = new FileDictionaryTree(fi);
Parents.Add(parent);
}
}
}
x++; // increment for the next parent
}
}
/// <summary>
/// This constructor accepts an enumerable of initial properties for loading into the local dictionary.
/// The internal DirectoryInfo instance is created pointing to the current directory. This obviously
/// has no specific meaning.
/// </summary>
public FileDictionaryTree(IEnumerable <KeyValuePair <string, string> > initialProperties) : this()
{
foreach (var pair in initialProperties)
{
LocalEntries.Add(pair.Key, pair.Value);
}
}
public void Build(FileInfo fileInfo)
{
Clear(); // This clears all local primary and default entries, as well as the list of parents.
if (fileInfo == null)
{
throw new ArgumentNullException("fileInfo", "The argument must not be null.");
}
if (!fileInfo.Exists)
{
throw new FileNotFoundException("The specified file does not exist.", fileInfo.FullName);
}
_root = fileInfo;
Name = _root.Name;
FullName = _root.FullName;
var propFile = new File(fileInfo);
foreach (var entry in propFile.Properties)
{
LocalEntries.Add(entry.Key, entry.Value);
}
BuildParents();
}
/// <summary>
/// This removes any Primary entries matching a specified key "shallowly".
/// That is, it removes it from the top-level Primary dictionary,
/// All ancestor Primary dictionaries remain unaffected.
/// </summary>
/// <remarks>Traking info is also removed.</remarks>
/// <param name="key">The key of the entry to be removed.</param>
/// <returns>A boolean indicating if the specified entry was found and removed.</returns>
public bool RemoveLocal(TKey key)
{
lock (_syncRoot)
{
return(LocalEntries.Remove(key)); // Tracking info is also removed.
}
}
/// <summary>
/// This adds a key/value pair "shallowly".
/// That is, it only adds it to the top-level dictionary.
/// The parents and defaults, if they exist, are unaffected.
/// Note that this is just a convenience, since the method could also be called directly on the Primary dictionary.
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public void Add(TKey key, TValue value)
{
lock (_syncRoot)
{
LocalEntries.Add(key, value);
}
}
public string ToString(string initialIndent)
{
var sb = new StringBuilder();
sb = sb.AppendFormat("{0}{1} : {2}\n", initialIndent, "ParameterNamespace", FullName);
sb = sb.AppendFormat("\t{0}{1}:\n", initialIndent, "LocalEntries");
sb = LocalEntries.Aggregate(sb, (current, entry) => current.AppendFormat("\t\t{0}{1} = {2}\n", initialIndent, entry.Key, entry.Value));
sb = Parents.Cast <FileDictionaryTree>().Aggregate(sb, (current, parent) => current.Append(parent.ToString(initialIndent + "\t")));
return(sb.ToString());
}
// The following INamespace properties are implemented on DictionaryTree
//public string Name { get; protected set; }
//public string FullName { get; protected set; }
#endregion
#region IParameterSource
/// <summary>
/// This method inserts or overwrites a parameter and its value in the Primary dictionary.
/// Note that this only affects the top-level Primary dictionary. If parents contain entries
/// for the same parameter, those entries remain unaffected and will "shadow" whatever
/// entry is created or overwritten here. In other words, if this entry is later removed
/// from the dictionary at this level, then the parent entries will come back into view.
/// </summary>
/// <param name="parameter">The parameter that will be used as the key.</param>
/// <param name="paramValue">The parameter value that will be associated with the key.</param>
public void SetParameter(IParameter parameter, string paramValue)
{
if (LocalEntries.ContainsKey(parameter.Param)) // update existing entry
{
LocalEntries[parameter.Param] = paramValue;
}
else
{
LocalEntries.Add(parameter.Param, paramValue); // add new entry
}
}
/// <summary>
/// This performs a "deep" search for the specified key.
/// That is, the Primary dictionary,
/// and the Primary dictionaries of all ancestors will be searched.
/// If a "shallow" search is required, call "Shallow().ContainsKey()" instead.
/// </summary>
/// <remarks>If the key is found, it is added to the Accessed list if TrackAccessed is enabled.</remarks>
/// <param name="key">The key that will be searched.</param>
/// <returns>A boolean indicating if the specified entry was found.</returns>
public bool ContainsKey(TKey key)
{
lock (_syncRoot)
{
if (LocalEntries.ContainsKey(key))
{
return(true);
}
for (var x = Parents.Count - 1; x >= 0; x--)
{
if (Parents[x].ContainsKey(key))
{
return(true);
}
}
return(false);
}
}
/// <summary>
/// This removes a Primary entry matching the specified key "deeply".
/// That is, it removes it from the top-level dictionary
/// and from all ancestors, if they exist.
/// </summary>
/// <remarks>Traking info is also removed.</remarks>
/// <param name="key">The key of the entry to be removed.</param>
/// <returns>A boolean indicating if the specified entry was found and removed.</returns>
public bool Remove(TKey key)
{
lock (_syncRoot)
{
var found = false;
// Remove it from each of the parents (recursively)
foreach (var parent in Parents.Where(parent => parent.Remove(key))) // Tracking info is also removed.
{
found = true;
}
// finally remove it from the top-level
if (LocalEntries.Remove(key)) // Tracking info is also removed.
{
found = true;
}
return(found);
}
}
public XElement ToXml()
{
var entries = LocalEntries.Select(
entry => new XElement("parameter",
new XAttribute("name", entry.Key),
new XAttribute("value", entry.Value))).ToList();
var defaults = LocalDefaults.Select(
def => new XElement("default",
new XAttribute("name", def.Key),
new XAttribute("value", def.Value))).ToList();
var parents = Parents.OfType <FileDictionaryTree>().Select(parent => parent.ToXml()).ToList();
var root = new XElement("dictionary");
if (!string.IsNullOrEmpty(Name))
{
root.Add(new XAttribute("name", Name));
}
if (!string.IsNullOrEmpty(FullName))
{
root.Add(new XAttribute("fullName", FullName));
}
if (entries.Count > 0)
{
root.Add(entries);
}
if (defaults.Count > 0)
{
root.Add(defaults);
}
if (parents.Count > 0)
{
root.Add(new XElement("parents", new XAttribute("count", parents.Count), parents));
}
return(root);
//return new XElement("dictionary", new XAttribute("name", FullName),
// new XElement("entries", new XAttribute("count", LocalEntries.Count), entries),
// new XElement("defaults", new XAttribute("count", LocalDefaults.Count), defaults),
// new XElement("parents", new XAttribute("count", Parents.Count), parents));
}