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|
//
// System.Configuration.WebConfigurationSettings.cs
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// (c) 2003,2004 Novell, Inc. (http://www.novell.com)
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Configuration;
using System.Collections;
using System.IO;
using System.Reflection;
using System.Runtime.Remoting;
using System.Web.Util;
using System.Xml;
#if TARGET_J2EE
using vmw.@internal.io;
using vmw.common;
using System.Web.J2EE;
#endif
namespace System.Web.Configuration
{
class WebConfigurationSettings
{
#if TARGET_J2EE
static private IConfigurationSystem oldConfig {
get {
return (IConfigurationSystem)AppDomain.CurrentDomain.GetData("WebConfigurationSettings.oldConfig");
}
set {
AppDomain.CurrentDomain.SetData("WebConfigurationSettings.oldConfig", value);
}
}
static private WebDefaultConfig config {
get {
return (WebDefaultConfig)AppDomain.CurrentDomain.GetData("WebConfigurationSettings.config");
}
set {
AppDomain.CurrentDomain.SetData("WebConfigurationSettings.config", value);
}
}
#else
static IConfigurationSystem oldConfig;
static WebDefaultConfig config;
#endif
static string machineConfigPath;
const BindingFlags privStatic = BindingFlags.NonPublic | BindingFlags.Static;
static readonly object lockobj = new object ();
private WebConfigurationSettings ()
{
}
public static void Init ()
{
lock (lockobj) {
if (config != null)
return;
WebDefaultConfig settings = WebDefaultConfig.GetInstance ();
Type t = typeof (ConfigurationSettings);
MethodInfo changeConfig = t.GetMethod ("ChangeConfigurationSystem",
privStatic);
if (changeConfig == null)
throw new ConfigurationException ("Cannot find method CCS");
object [] args = new object [] {settings};
oldConfig = (IConfigurationSystem) changeConfig.Invoke (null, args);
config = settings;
}
}
public static void Init (HttpContext context)
{
Init ();
config.Init (context);
}
public static object GetConfig (string sectionName)
{
return config.GetConfig (sectionName);
}
public static object GetConfig (string sectionName, HttpContext context)
{
return config.GetConfig (sectionName, context);
}
public static string MachineConfigPath {
get {
lock (lockobj) {
if (machineConfigPath != null)
return machineConfigPath;
if (config == null)
Init ();
Type t = oldConfig.GetType ();
MethodInfo getMC = t.GetMethod ("GetMachineConfigPath",
privStatic);
if (getMC == null)
throw new ConfigurationException ("Cannot find method GMC");
machineConfigPath = (string) getMC.Invoke (null, null);
return machineConfigPath;
}
}
}
}
//
// class WebDefaultConfig: read configuration from machine.config file and application
// config file if available.
//
class WebDefaultConfig : IConfigurationSystem
{
#if TARGET_J2EE
static private WebDefaultConfig instance {
get {
WebDefaultConfig val = (WebDefaultConfig)AppDomain.CurrentDomain.GetData("WebDefaultConfig.instance");
if (val == null) {
val = new WebDefaultConfig();
AppDomain.CurrentDomain.SetData("WebDefaultConfig.instance", val);
}
return val;
}
set {
AppDomain.CurrentDomain.SetData("WebDefaultConfig.instance", value);
}
}
#else
static WebDefaultConfig instance;
#endif
Hashtable fileToConfig;
HttpContext firstContext;
bool initCalled;
static WebDefaultConfig ()
{
instance = new WebDefaultConfig ();
}
private WebDefaultConfig ()
{
fileToConfig = new Hashtable ();
}
public static WebDefaultConfig GetInstance ()
{
return instance;
}
public object GetConfig (string sectionName)
{
HttpContext current = HttpContext.Current;
if (current == null)
current = firstContext;
return GetConfig (sectionName, current);
}
public object GetConfig (string sectionName, HttpContext context)
{
if (context == null)
return null;
ConfigurationData config = GetConfigFromFileName (context.Request.CurrentExecutionFilePath, context);
if (config == null)
return null;
return config.GetConfig (sectionName, context);
}
ConfigurationData GetConfigFromFileName (string filepath, HttpContext context)
{
if (filepath == "")
return (ConfigurationData) fileToConfig [WebConfigurationSettings.MachineConfigPath];
string dir = UrlUtils.GetDirectory (filepath);
if (HttpRuntime.AppDomainAppVirtualPath.Length > dir.Length)
return (ConfigurationData) fileToConfig [WebConfigurationSettings.MachineConfigPath];
ConfigurationData data = (ConfigurationData) fileToConfig [dir];
if (data != null)
return data;
string realpath = null;
try {
realpath = context.Request.MapPath (dir);
} catch {
realpath = context.Request.MapPath (HttpRuntime.AppDomainAppVirtualPath);
}
string lower = Path.Combine (realpath, "web.config");
bool isLower = File.Exists (lower);
string wcfile = null;
if (!isLower) {
string upper = Path.Combine (realpath, "Web.config");
bool isUpper = File.Exists (upper);
if (isUpper)
wcfile = upper;
} else {
wcfile = lower;
}
string tempDir = dir;
if (tempDir == HttpRuntime.AppDomainAppVirtualPath ||
tempDir + "/" == HttpRuntime.AppDomainAppVirtualPath) {
tempDir = "";
realpath = HttpRuntime.AppDomainAppPath;
}
ConfigurationData parent = GetConfigFromFileName (tempDir, context);
if (wcfile == null) {
data = new ConfigurationData (parent, null, realpath);
data.DirName = dir;
fileToConfig [dir] = data;
}
if (data == null) {
data = new ConfigurationData (parent, wcfile);
data.DirName = dir;
data.LoadFromFile (wcfile);
fileToConfig [dir] = data;
#if !TARGET_JVM // no remoting support yet in Grasshopper
RemotingConfiguration.Configure (wcfile);
#endif
}
return data;
}
public void Init ()
{
// nothing. We need a context.
}
public void Init (HttpContext context)
{
if (initCalled)
return;
lock (this) {
if (initCalled)
return;
firstContext = context;
ConfigurationData data = new ConfigurationData ();
if (!data.LoadFromFile (WebConfigurationSettings.MachineConfigPath))
throw new ConfigurationException ("Cannot find " + WebConfigurationSettings.MachineConfigPath);
fileToConfig [WebConfigurationSettings.MachineConfigPath] = data;
initCalled = true;
}
}
}
class FileWatcherCache
{
Hashtable cacheTable;
string path;
string filename;
#if !TARGET_JVM // no file watcher support yet in Grasshopper
FileSystemWatcher watcher;
#endif
ConfigurationData data;
public FileWatcherCache (ConfigurationData data)
{
this.data = data;
cacheTable = new Hashtable ();
this.path = Path.GetDirectoryName (data.FileName);
this.filename = Path.GetFileName (data.FileName);
if (!Directory.Exists (path))
return;
#if !TARGET_JVM
watcher = new FileSystemWatcher (this.path, this.filename);
FileSystemEventHandler handler = new FileSystemEventHandler (SetChanged);
watcher.Created += handler;
watcher.Changed += handler;
watcher.Deleted += handler;
watcher.EnableRaisingEvents = true;
#endif
}
#if !TARGET_JVM
void SetChanged (object o, FileSystemEventArgs args)
{
lock (data) {
cacheTable.Clear ();
data.Reset ();
if (args.ChangeType == WatcherChangeTypes.Created)
RemotingConfiguration.Configure (args.FullPath);
if (args.ChangeType != WatcherChangeTypes.Deleted)
data.LoadFromFile (args.FullPath);
}
}
#endif
public object this [string key] {
get {
lock (data)
return cacheTable [key];
}
set {
lock (data)
cacheTable [key] = value;
}
}
public void Close ()
{
#if !TARGET_JVM
if (watcher != null)
watcher.EnableRaisingEvents = false;
#endif
}
}
enum AllowDefinition
{
Everywhere,
MachineOnly,
MachineToApplication
}
class SectionData
{
public readonly string SectionName;
public readonly string TypeName;
public readonly bool AllowLocation;
public readonly AllowDefinition AllowDefinition;
public string FileName;
public SectionData (string sectionName, string typeName,
bool allowLocation, AllowDefinition allowDefinition)
{
SectionName = sectionName;
TypeName = typeName;
AllowLocation = allowLocation;
AllowDefinition = allowDefinition;
}
}
class ConfigurationData
{
ConfigurationData parent;
Hashtable factories;
Hashtable pending;
Hashtable locations;
string fileName;
string dirname;
static object removedMark = new object ();
static object groupMark = new object ();
static object emptyMark = new object ();
FileWatcherCache fileCache;
static char [] forbiddenPathChars = new char [] {
';', '?', ':', '@', '&', '=', '+',
'$', ',','\\', '*', '\"', '<', '>'
};
static string forbiddenStr = "';', '?', ':', '@', '&', '=', '+', '$', ',', '\\', '*', '\"', '<', '>'";
internal FileWatcherCache FileCache {
get {
lock (this) {
if (fileCache != null)
return fileCache;
fileCache = new FileWatcherCache (this);
}
return fileCache;
}
}
internal string FileName {
get { return fileName; }
}
internal ConfigurationData Parent {
get { return parent; }
}
internal string DirName {
get { return dirname; }
set { dirname = value; }
}
internal void Reset ()
{
factories.Clear ();
if (pending != null)
pending.Clear ();
if (locations != null)
locations.Clear ();
}
public ConfigurationData () : this (null, null)
{
}
public ConfigurationData (ConfigurationData parent, string filename)
{
this.parent = (parent == this) ? null : parent;
this.fileName = filename;
factories = new Hashtable ();
}
public ConfigurationData (ConfigurationData parent, string filename, string realdir)
{
this.parent = (parent == this) ? null : parent;
if (filename == null) {
this.fileName = Path.Combine (realdir, "*.config");
} else {
this.fileName = filename;
}
factories = new Hashtable ();
}
public bool LoadFromFile (string fileName)
{
this.fileName = fileName;
Stream fs = null;
if (fileName == null || !File.Exists (fileName)) {
#if TARGET_J2EE
if (fileName != null && fileName.EndsWith("machine.config"))
{
if (fileName.StartsWith("/"))
fileName = fileName.Substring(1);
java.lang.ClassLoader cl = (java.lang.ClassLoader)AppDomain.CurrentDomain.GetData("GH_ContextClassLoader");
if (cl == null)
return false;
java.io.InputStream inputStream = cl.getResourceAsStream(fileName);
fs = (Stream)IOUtils.getStream(inputStream);
}
else
#endif
return false;
}
XmlTextReader reader = null;
try {
if (fs == null)
fs = new FileStream (fileName, FileMode.Open, FileAccess.Read);
reader = new XmlTextReader (fs);
InitRead (reader);
ReadConfig (reader, false);
} catch (ConfigurationException) {
throw;
} catch (Exception e) {
throw new ConfigurationException ("Error reading " + fileName, e);
} finally {
if (reader != null)
reader.Close();
}
return true;
}
public void LoadFromReader (XmlTextReader reader, string fakeFileName, bool isLocation)
{
fileName = fakeFileName;
MoveToNextElement (reader);
ReadConfig (reader, isLocation);
}
object GetHandler (string sectionName)
{
lock (factories) {
object o = factories [sectionName];
if (o == null || o == removedMark) {
if (parent != null)
return parent.GetHandler (sectionName);
return null;
}
if (o is IConfigurationSectionHandler)
return (IConfigurationSectionHandler) o;
o = CreateNewHandler (sectionName, (SectionData) o);
factories [sectionName] = o;
return o;
}
}
object CreateNewHandler (string sectionName, SectionData section)
{
Type t = Type.GetType (section.TypeName);
if (t == null)
throw new ConfigurationException ("Cannot get Type for " + section.TypeName);
Type iconfig = typeof (IConfigurationSectionHandler);
if (!iconfig.IsAssignableFrom (t))
throw new ConfigurationException (sectionName + " does not implement " + iconfig);
object o = Activator.CreateInstance (t, true);
if (o == null)
throw new ConfigurationException ("Cannot get instance for " + t);
return o;
}
XmlDocument GetInnerDoc (XmlDocument doc, int i, string [] sectionPath)
{
if (++i >= sectionPath.Length)
return doc;
if (doc.DocumentElement == null)
return null;
XmlNode node = doc.DocumentElement.FirstChild;
while (node != null) {
if (node.Name == sectionPath [i]) {
ConfigXmlDocument result = new ConfigXmlDocument ();
result.Load (new StringReader (node.OuterXml));
return GetInnerDoc (result, i, sectionPath);
}
node = node.NextSibling;
}
return null;
}
XmlDocument GetDocumentForSection (string sectionName)
{
ConfigXmlDocument doc = new ConfigXmlDocument ();
if (pending == null)
return doc;
string [] sectionPath = sectionName.Split ('/');
string outerxml = pending [sectionPath [0]] as string;
if (outerxml == null)
return doc;
StringReader reader = new StringReader (outerxml);
XmlTextReader rd = new XmlTextReader (reader);
rd.MoveToContent ();
doc.LoadSingleElement (fileName, rd);
return GetInnerDoc (doc, 0, sectionPath);
}
object GetConfigInternal (string sectionName, HttpContext context, bool useLoc)
{
object handler = GetHandler (sectionName);
IConfigurationSectionHandler iconf = handler as IConfigurationSectionHandler;
if (iconf == null)
return handler;
object parentConfig = null;
if (parent != null) {
if (useLoc)
parentConfig = parent.GetConfig (sectionName, context);
else
parentConfig = parent.GetConfigOptLocation (sectionName, context, false);
}
XmlDocument doc = GetDocumentForSection (sectionName);
if (doc == null || doc.DocumentElement == null)
return parentConfig;
return iconf.Create (parentConfig, fileName, doc.DocumentElement);
}
string MakeRelative (string fullUrl, string relativeTo)
{
if (fullUrl == relativeTo)
return String.Empty;
if (fullUrl.IndexOf (relativeTo) != 0)
return null;
string leftOver = fullUrl.Substring (relativeTo.Length);
if (leftOver.Length > 0 && leftOver [0] == '/')
leftOver = leftOver.Substring (1);
leftOver = UrlUtils.Canonic (leftOver);
if (leftOver.Length > 0 && leftOver [0] == '/')
leftOver = leftOver.Substring (1);
return leftOver;
}
public object GetConfig (string sectionName, HttpContext context)
{
if (locations != null && dirname != null) {
string reduced = MakeRelative (context.Request.CurrentExecutionFilePath, dirname);
string [] parts = reduced.Split ('/');
Location location = null;
string target = null;
for (int i = 0; i < parts.Length; i++) {
if (target == null)
target = parts [i];
else
target = target + "/" + parts [i];
if (locations.ContainsKey (target)) {
location = locations [target] as Location;
} else if (locations.ContainsKey (target + "/*")) {
location = locations [target + "/*"] as Location;
}
}
if (location == null) {
location = locations ["*"] as Location;
}
if (location != null && location.Config != null) {
object o = location.Config.GetConfigOptLocation (sectionName, context, false);
if (o != null) {
return o;
}
}
}
return GetConfigOptLocation (sectionName, context, true);
}
object GetConfigOptLocation (string sectionName, HttpContext context, bool useLoc)
{
object config = this.FileCache [sectionName];
if (config == emptyMark)
return null;
if (config != null)
return config;
lock (this) {
config = GetConfigInternal (sectionName, context, useLoc);
this.FileCache [sectionName] = (config == null) ? emptyMark : config;
}
return config;
}
private object LookForFactory (string key)
{
object o = factories [key];
if (o != null)
return o;
if (parent != null)
return parent.LookForFactory (key);
return null;
}
private void InitRead (XmlTextReader reader)
{
reader.MoveToContent ();
if (reader.NodeType != XmlNodeType.Element || reader.Name != "configuration")
ThrowException ("Configuration file does not have a valid root element", reader);
if (reader.HasAttributes)
ThrowException ("Unrecognized attribute in root element", reader);
MoveToNextElement (reader);
}
internal void MoveToNextElement (XmlTextReader reader)
{
while (reader.Read ()) {
XmlNodeType ntype = reader.NodeType;
if (ntype == XmlNodeType.Element)
return;
if (ntype != XmlNodeType.Whitespace &&
ntype != XmlNodeType.Comment &&
ntype != XmlNodeType.SignificantWhitespace &&
ntype != XmlNodeType.EndElement)
ThrowException ("Unrecognized element", reader);
}
}
private void ReadSection (XmlTextReader reader, string sectionName)
{
string attName;
string nameValue = null;
string typeValue = null;
string allowLoc = null, allowDef = null;
bool allowLocation = true;
AllowDefinition allowDefinition = AllowDefinition.Everywhere;
while (reader.MoveToNextAttribute ()) {
attName = reader.Name;
if (attName == null)
continue;
if (attName == "allowLocation") {
if (allowLoc != null)
ThrowException ("Duplicated allowLocation attribute.", reader);
allowLoc = reader.Value;
allowLocation = (allowLoc == "true");
if (!allowLocation && allowLoc != "false")
ThrowException ("Invalid attribute value", reader);
continue;
}
if (attName == "allowDefinition") {
if (allowDef != null)
ThrowException ("Duplicated allowDefinition attribute.", reader);
allowDef = reader.Value;
try {
allowDefinition = (AllowDefinition) Enum.Parse (
typeof (AllowDefinition), allowDef);
} catch {
ThrowException ("Invalid attribute value", reader);
}
continue;
}
if (attName == "type") {
if (typeValue != null)
ThrowException ("Duplicated type attribute.", reader);
typeValue = reader.Value;
continue;
}
if (attName == "name") {
if (nameValue != null)
ThrowException ("Duplicated name attribute.", reader);
nameValue = reader.Value;
if (nameValue == "location")
ThrowException ("location is a reserved section name", reader);
continue;
}
ThrowException ("Unrecognized attribute.", reader);
}
if (nameValue == null || typeValue == null)
ThrowException ("Required attribute missing", reader);
if (sectionName != null)
nameValue = sectionName + '/' + nameValue;
reader.MoveToElement();
object o = LookForFactory (nameValue);
if (o != null && o != removedMark)
ThrowException ("Already have a factory for " + nameValue, reader);
SectionData section = new SectionData (nameValue, typeValue, allowLocation, allowDefinition);
section.FileName = fileName;
factories [nameValue] = section;
MoveToNextElement (reader);
}
private void ReadRemoveSection (XmlTextReader reader, string sectionName)
{
if (!reader.MoveToNextAttribute () || reader.Name != "name")
ThrowException ("Unrecognized attribute.", reader);
string removeValue = reader.Value;
if (removeValue == null || removeValue.Length == 0)
ThrowException ("Empty name to remove", reader);
reader.MoveToElement ();
if (sectionName != null)
removeValue = sectionName + '/' + removeValue;
object o = LookForFactory (removeValue);
if (o != null && o == removedMark)
ThrowException ("No factory for " + removeValue, reader);
factories [removeValue] = removedMark;
MoveToNextElement (reader);
}
private void ReadSectionGroup (XmlTextReader reader, string configSection)
{
if (!reader.MoveToNextAttribute ())
ThrowException ("sectionGroup must have a 'name' attribute.", reader);
string value = null;
#if CONFIGURATION_2_0
do {
if (reader.Name == "name") {
if (value != null)
ThrowException ("Duplicate 'name' attribute.", reader);
value = reader.Value;
}
else if (reader.Name != "type")
ThrowException ("Unrecognized attribute.", reader);
} while (reader.MoveToNextAttribute ());
#else
if (reader.Name != "name")
ThrowException ("Unrecognized attribute.", reader);
if (reader.MoveToNextAttribute ())
ThrowException ("Unrecognized attribute.", reader);
value = reader.Value;
#endif
if (value == null)
ThrowException ("No 'name' attribute.", reader);
if (value == "location")
ThrowException ("location is a reserved section name", reader);
if (configSection != null)
value = configSection + '/' + value;
object o = LookForFactory (value);
if (o != null && o != removedMark && o != groupMark)
ThrowException ("Already have a factory for " + value, reader);
factories [value] = groupMark;
MoveToNextElement (reader);
ReadSections (reader, value);
}
private void ReadSections (XmlTextReader reader, string configSection)
{
int depth = reader.Depth;
while (reader.Depth == depth) {
string name = reader.Name;
if (name == "section") {
ReadSection (reader, configSection);
continue;
}
if (name == "remove") {
ReadRemoveSection (reader, configSection);
continue;
}
if (name == "clear") {
if (reader.HasAttributes)
ThrowException ("Unrecognized attribute.", reader);
factories.Clear ();
MoveToNextElement (reader);
continue;
}
if (name == "sectionGroup") {
ReadSectionGroup (reader, configSection);
continue;
}
ThrowException ("Unrecognized element: " + reader.Name, reader);
}
}
void StoreLocation (string name, XmlTextReader reader)
{
string path = null;
bool haveAllow = false;
bool allowOverride = true;
string att = null;
while (reader.MoveToNextAttribute ()) {
att = reader.Name;
if (att == "path") {
if (path != null)
ThrowException ("Duplicate path attribute", reader);
path = reader.Value;
if (path.StartsWith ("."))
ThrowException ("Path cannot begin with '.'", reader);
if (path.IndexOfAny (forbiddenPathChars) != -1)
ThrowException ("Path cannot contain " + forbiddenStr, reader);
continue;
}
if (att == "allowOverride") {
if (haveAllow)
ThrowException ("Duplicate allowOverride attribute", reader);
haveAllow = true;
allowOverride = (reader.Value == "true");
if (!allowOverride && reader.Value != "false")
ThrowException ("allowOverride must be either true or false", reader);
continue;
}
ThrowException ("Unrecognized attribute.", reader);
}
if (att == null)
return; // empty location tag
Location loc = new Location (this, path, allowOverride);
if (locations == null)
locations = new Hashtable ();
else if (locations.ContainsKey (loc.Path))
ThrowException ("Duplicated location path: " + loc.Path, reader);
reader.MoveToElement ();
loc.LoadFromString (reader.ReadOuterXml ());
locations [loc.Path] = loc;
if (!loc.AllowOverride) {
XmlTextReader inner = loc.GetReader ();
if (inner != null) {
MoveToNextElement (inner);
ReadConfig (loc.GetReader (), true);
}
}
loc.XmlStr = null;
}
void StorePending (string name, XmlTextReader reader)
{
if (pending == null)
pending = new Hashtable ();
if (pending.ContainsKey (name))
ThrowException ("Sections can only appear once: " + name, reader);
pending [name] = reader.ReadOuterXml ();
}
void ReadConfig (XmlTextReader reader, bool isLocation)
{
int depth = reader.Depth;
while (!reader.EOF && reader.Depth == depth) {
string name = reader.Name;
if (name == "configSections") {
if (isLocation)
ThrowException ("<configSections> inside <location>", reader);
if (reader.HasAttributes)
ThrowException ("Unrecognized attribute in <configSections>.", reader);
MoveToNextElement (reader);
if (reader.Depth > depth)
ReadSections (reader, null);
} else if (name == "location") {
if (isLocation)
ThrowException ("<location> inside <location>", reader);
StoreLocation (name, reader);
MoveToNextElement (reader);
} else if (name != null && name != ""){
StorePending (name, reader);
MoveToNextElement (reader);
} else {
MoveToNextElement (reader);
}
}
}
void ThrowException (string text, XmlTextReader reader)
{
throw new ConfigurationException (text, fileName, reader.LineNumber);
}
}
class Location
{
string path;
bool allowOverride;
ConfigurationData parent;
ConfigurationData thisOne;
string xmlstr;
public Location (ConfigurationData parent, string path, bool allowOverride)
{
this.parent = parent;
this.allowOverride = allowOverride;
this.path = (path == null || path == "") ? "*" : path;
}
public bool AllowOverride {
get { return (path != "*" || allowOverride); }
}
public string Path {
get { return path; }
}
public string XmlStr {
set { xmlstr = value; }
}
public void LoadFromString (string str)
{
if (str == null)
throw new ArgumentNullException ("str");
if (thisOne != null)
throw new InvalidOperationException ();
this.xmlstr = str.Trim ();
if (xmlstr == "")
return;
XmlTextReader reader = GetReader ();
thisOne = new ConfigurationData (parent, parent.FileName);
thisOne.LoadFromReader (reader, parent.FileName, true);
}
public XmlTextReader GetReader ()
{
if (xmlstr == "")
return null;
XmlTextReader reader = new XmlTextReader (new StringReader (xmlstr));
reader.ReadStartElement ("location");
return reader;
}
public ConfigurationData Config {
get { return thisOne; }
}
}
}
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