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-rw-r--r--src/mscorlib/src/System/CfgParser.cs564
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diff --git a/src/mscorlib/src/System/CfgParser.cs b/src/mscorlib/src/System/CfgParser.cs
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index b21da7f..0000000
--- a/src/mscorlib/src/System/CfgParser.cs
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-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-/*============================================================
- **
- **
- **
- ** Purpose: XMLParser and Tree builder internal to BCL
- **
- **
- ===========================================================*/
-
-namespace System
-{
- using System.Runtime.InteropServices;
- using System.Collections;
- using System.Collections.Generic;
- using System.Runtime.CompilerServices;
- using System.Security.Permissions;
- using System.Security;
- using System.Globalization;
- using System.IO;
- using System.Runtime.Versioning;
- using System.Diagnostics.Contracts;
-
- [Serializable]
- internal enum ConfigEvents
- {
- StartDocument = 0,
- StartDTD = StartDocument + 1,
- EndDTD = StartDTD + 1,
- StartDTDSubset = EndDTD + 1,
- EndDTDSubset = StartDTDSubset + 1,
- EndProlog = EndDTDSubset + 1,
- StartEntity = EndProlog + 1,
- EndEntity = StartEntity + 1,
- EndDocument = EndEntity + 1,
- DataAvailable = EndDocument + 1,
- LastEvent = DataAvailable
- }
-
- [Serializable]
- internal enum ConfigNodeType
- {
- Element = 1,
- Attribute = Element + 1,
- Pi = Attribute + 1,
- XmlDecl = Pi + 1,
- DocType = XmlDecl + 1,
- DTDAttribute = DocType + 1,
- EntityDecl = DTDAttribute + 1,
- ElementDecl = EntityDecl + 1,
- AttlistDecl = ElementDecl + 1,
- Notation = AttlistDecl + 1,
- Group = Notation + 1,
- IncludeSect = Group + 1,
- PCData = IncludeSect + 1,
- CData = PCData + 1,
- IgnoreSect = CData + 1,
- Comment = IgnoreSect + 1,
- EntityRef = Comment + 1,
- Whitespace = EntityRef + 1,
- Name = Whitespace + 1,
- NMToken = Name + 1,
- String = NMToken + 1,
- Peref = String + 1,
- Model = Peref + 1,
- ATTDef = Model + 1,
- ATTType = ATTDef + 1,
- ATTPresence = ATTType + 1,
- DTDSubset = ATTPresence + 1,
- LastNodeType = DTDSubset + 1
- }
-
- [Serializable]
- internal enum ConfigNodeSubType
- {
- Version = (int)ConfigNodeType.LastNodeType,
- Encoding = Version + 1,
- Standalone = Encoding + 1,
- NS = Standalone + 1,
- XMLSpace = NS + 1,
- XMLLang = XMLSpace + 1,
- System = XMLLang + 1,
- Public = System + 1,
- NData = Public + 1,
- AtCData = NData + 1,
- AtId = AtCData + 1,
- AtIdref = AtId + 1,
- AtIdrefs = AtIdref + 1,
- AtEntity = AtIdrefs + 1,
- AtEntities = AtEntity + 1,
- AtNmToken = AtEntities + 1,
- AtNmTokens = AtNmToken + 1,
- AtNotation = AtNmTokens + 1,
- AtRequired = AtNotation + 1,
- AtImplied = AtRequired + 1,
- AtFixed = AtImplied + 1,
- PentityDecl = AtFixed + 1,
- Empty = PentityDecl + 1,
- Any = Empty + 1,
- Mixed = Any + 1,
- Sequence = Mixed + 1,
- Choice = Sequence + 1,
- Star = Choice + 1,
- Plus = Star + 1,
- Questionmark = Plus + 1,
- LastSubNodeType = Questionmark + 1
- }
-
- internal abstract class BaseConfigHandler
- {
- // These delegates must be at the very start of the object
- // This is necessary because unmanaged code takes a dependency on this layout
- // Any changes made to this must be reflected in ConfigHelper.h in ConfigFactory class
- protected Delegate[] eventCallbacks;
- public BaseConfigHandler()
- {
- InitializeCallbacks();
- }
- private void InitializeCallbacks()
- {
- if (eventCallbacks == null)
- {
- eventCallbacks = new Delegate[6];
- eventCallbacks[0] = new NotifyEventCallback(this.NotifyEvent);
- eventCallbacks[1] = new BeginChildrenCallback(this.BeginChildren);
- eventCallbacks[2] = new EndChildrenCallback(this.EndChildren);
- eventCallbacks[3] = new ErrorCallback(this.Error);
- eventCallbacks[4] = new CreateNodeCallback(this.CreateNode);
- eventCallbacks[5] = new CreateAttributeCallback(this.CreateAttribute);
- }
- }
-
- private delegate void NotifyEventCallback(ConfigEvents nEvent);
- public abstract void NotifyEvent(ConfigEvents nEvent);
-
- private delegate void BeginChildrenCallback(int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)] String text,
- int textLength,
- int prefixLength);
- public abstract void BeginChildren(int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)] String text,
- int textLength,
- int prefixLength);
-
- private delegate void EndChildrenCallback(int fEmpty,
- int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)] String text,
- int textLength,
- int prefixLength);
- public abstract void EndChildren(int fEmpty,
- int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)] String text,
- int textLength,
- int prefixLength);
-
- private delegate void ErrorCallback(int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)]String text,
- int textLength,
- int prefixLength);
- public abstract void Error(int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)]String text,
- int textLength,
- int prefixLength);
-
- private delegate void CreateNodeCallback(int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)]String text,
- int textLength,
- int prefixLength);
- public abstract void CreateNode(int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)]String text,
- int textLength,
- int prefixLength);
-
- private delegate void CreateAttributeCallback(int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)]String text,
- int textLength,
- int prefixLength);
- public abstract void CreateAttribute(int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)]String text,
- int textLength,
- int prefixLength);
-
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- internal extern void RunParser(String fileName);
- }
-
- // Class used to build a DOM like tree of parsed XML
- internal class ConfigTreeParser : BaseConfigHandler
- {
- ConfigNode rootNode = null;
- ConfigNode currentNode = null;
- String fileName = null;
- int attributeEntry;
- String key = null;
- String [] treeRootPath = null; // element to start tree
- bool parsing = false;
- int depth = 0;
- int pathDepth = 0;
- int searchDepth = 0;
- bool bNoSearchPath = false;
-
- // Track state for error message formatting
- String lastProcessed = null;
- bool lastProcessedEndElement;
-
-
- // NOTE: This parser takes a path eg. /configuration/system.runtime.remoting
- // and will return a node which matches this.
- internal ConfigNode Parse(String fileName, String configPath)
- {
- return Parse(fileName, configPath, false);
- }
-
- internal ConfigNode Parse(String fileName, String configPath, bool skipSecurityStuff)
- {
- if (fileName == null)
- throw new ArgumentNullException(nameof(fileName));
- Contract.EndContractBlock();
- this.fileName = fileName;
- if (configPath[0] == '/'){
- treeRootPath = configPath.Substring(1).Split('/');
- pathDepth = treeRootPath.Length - 1;
- bNoSearchPath = false;
- }
- else{
- treeRootPath = new String[1];
- treeRootPath[0] = configPath;
- bNoSearchPath = true;
- }
-
- if (!skipSecurityStuff) {
- (new FileIOPermission(FileIOPermissionAccess.Read, Path.GetFullPath(fileName))).Demand();
- }
-#pragma warning disable 618
- (new SecurityPermission(SecurityPermissionFlag.UnmanagedCode)).Assert();
-#pragma warning restore 618
-
- try
- {
- RunParser(fileName);
- }
- catch(FileNotFoundException) {
- throw; // Pass these through unadulterated.
- }
- catch(DirectoryNotFoundException) {
- throw; // Pass these through unadulterated.
- }
- catch(UnauthorizedAccessException) {
- throw;
- }
- catch(FileLoadException) {
- throw;
- }
- catch(Exception inner) {
- String message = GetInvalidSyntaxMessage();
- // Neither Exception nor ApplicationException are the "right" exceptions here.
- // Desktop throws ApplicationException for backwards compatibility.
- // On Silverlight we don't have ApplicationException, so fall back to Exception.
- throw new Exception(message, inner);
- }
- return rootNode;
- }
-
- public override void NotifyEvent(ConfigEvents nEvent)
- {
- BCLDebug.Trace("REMOTE", "NotifyEvent "+((Enum)nEvent).ToString()+"\n");
- }
-
- public override void BeginChildren(int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)] String text,
- int textLength,
- int prefixLength)
- {
- //Trace("BeginChildren",size,subType,nType,terminal,text,textLength,prefixLength,0);
- if (!parsing &&
- (!bNoSearchPath
- && depth == (searchDepth + 1)
- && String.Compare(text, treeRootPath[searchDepth], StringComparison.Ordinal) == 0))
- {
- searchDepth++;
- }
- }
-
- public override void EndChildren(int fEmpty,
- int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)] String text,
- int textLength,
- int prefixLength)
- {
- lastProcessed = text;
- lastProcessedEndElement = true;
- if (parsing)
- {
- //Trace("EndChildren",size,subType,nType,terminal,text,textLength,prefixLength,fEmpty);
-
- if (currentNode == rootNode)
- {
- // End of section of tree which is parsed
- parsing = false;
- }
-
- currentNode = currentNode.Parent;
- }
- else if (nType == ConfigNodeType.Element){
- if(depth == searchDepth && String.Compare(text, treeRootPath[searchDepth - 1], StringComparison.Ordinal) == 0)
- {
- searchDepth--;
- depth--;
- }
- else
- depth--;
- }
- }
-
- public override void Error(int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)]String text,
- int textLength,
- int prefixLength)
- {
- //Trace("Error",size,subType,nType,terminal,text,textLength,prefixLength,0);
- }
-
- public override void CreateNode(int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)]String text,
- int textLength,
- int prefixLength)
- {
- //Trace("CreateNode",size,subType,nType,terminal,text,textLength,prefixLength,0);
-
- if (nType == ConfigNodeType.Element)
- {
- // New Node
- lastProcessed = text;
- lastProcessedEndElement = false;
-
- if (parsing
- || (bNoSearchPath &&
- String.Compare(text, treeRootPath[0], StringComparison.OrdinalIgnoreCase) == 0)
- || (depth == searchDepth && searchDepth == pathDepth &&
- String.Compare(text, treeRootPath[pathDepth], StringComparison.OrdinalIgnoreCase) == 0 ))
- {
- parsing = true;
-
- ConfigNode parentNode = currentNode;
- currentNode = new ConfigNode(text, parentNode);
- if (rootNode == null)
- rootNode = currentNode;
- else
- parentNode.AddChild(currentNode);
- }
- else
- depth++;
- }
- else if (nType == ConfigNodeType.PCData)
- {
- // Data node
- if (currentNode != null)
- {
- currentNode.Value = text;
- }
- }
- }
-
- public override void CreateAttribute(int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)]String text,
- int textLength,
- int prefixLength)
- {
- //Trace("CreateAttribute",size,subType,nType,terminal,text,textLength,prefixLength,0);
- if (parsing)
- {
- // if the value of the attribute is null, the parser doesn't come back, so need to store the attribute when the
- // attribute name is encountered
- if (nType == ConfigNodeType.Attribute)
- {
- attributeEntry = currentNode.AddAttribute(text, "");
- key = text;
- }
- else if (nType == ConfigNodeType.PCData)
- {
- currentNode.ReplaceAttribute(attributeEntry, key, text);
- }
- else
- {
- String message = GetInvalidSyntaxMessage();
- // Neither Exception nor ApplicationException are the "right" exceptions here.
- // Desktop throws ApplicationException for backwards compatibility.
- // On Silverlight we don't have ApplicationException, so fall back to Exception.
- throw new Exception(message);
- }
- }
- }
-
-#if _DEBUG
- [System.Diagnostics.Conditional("_LOGGING")]
- private void Trace(String name,
- int size,
- ConfigNodeSubType subType,
- ConfigNodeType nType,
- int terminal,
- [MarshalAs(UnmanagedType.LPWStr)]String text,
- int textLength,
- int prefixLength, int fEmpty)
- {
-
- BCLDebug.Trace("REMOTE","Node "+name);
- BCLDebug.Trace("REMOTE","text "+text);
- BCLDebug.Trace("REMOTE","textLength "+textLength);
- BCLDebug.Trace("REMOTE","size "+size);
- BCLDebug.Trace("REMOTE","subType "+((Enum)subType).ToString());
- BCLDebug.Trace("REMOTE","nType "+((Enum)nType).ToString());
- BCLDebug.Trace("REMOTE","terminal "+terminal);
- BCLDebug.Trace("REMOTE","prefixLength "+prefixLength);
- BCLDebug.Trace("REMOTE","fEmpty "+fEmpty+"\n");
- }
-#endif
-
- private String GetInvalidSyntaxMessage()
- {
- String lastProcessedTag = null;
-
- if (lastProcessed != null)
- lastProcessedTag = (lastProcessedEndElement ? "</" : "<") + lastProcessed + ">";
-
- return Environment.GetResourceString("XML_Syntax_InvalidSyntaxInFile", fileName, lastProcessedTag);
- }
- }
-
- // Node in Tree produced by ConfigTreeParser
- internal class ConfigNode
- {
- String m_name = null;
- String m_value = null;
- ConfigNode m_parent = null;
- List<ConfigNode> m_children = new List<ConfigNode>(5);
- List<DictionaryEntry> m_attributes = new List<DictionaryEntry>(5);
-
- internal ConfigNode(String name, ConfigNode parent)
- {
- m_name = name;
- m_parent = parent;
- }
-
- internal String Name
- {
- get {return m_name;}
- }
-
- internal String Value
- {
- get {return m_value;}
- set {m_value = value;}
- }
-
- internal ConfigNode Parent
- {
- get {return m_parent;}
- }
-
- internal List<ConfigNode> Children
- {
- get {return m_children;}
- }
-
- internal List<DictionaryEntry> Attributes
- {
- get {return m_attributes;}
- }
-
- internal void AddChild(ConfigNode child)
- {
- child.m_parent = this;
- m_children.Add(child);
- }
-
- internal int AddAttribute(String key, String value)
- {
- m_attributes.Add(new DictionaryEntry(key, value));
- return m_attributes.Count-1;
- }
-
- internal void ReplaceAttribute(int index, String key, String value)
- {
- m_attributes[index] = new DictionaryEntry(key, value);
- }
-
-#if _DEBUG
- [System.Diagnostics.Conditional("_LOGGING")]
- internal void Trace()
- {
- BCLDebug.Trace("REMOTE","************ConfigNode************");
- BCLDebug.Trace("REMOTE","Name = "+m_name);
- if (m_value != null)
- BCLDebug.Trace("REMOTE","Value = "+m_value);
- if (m_parent != null)
- BCLDebug.Trace("REMOTE","Parent = "+m_parent.Name);
- for (int i=0; i<m_attributes.Count; i++)
- {
- DictionaryEntry de = (DictionaryEntry)m_attributes[i];
- BCLDebug.Trace("REMOTE","Key = "+de.Key+" Value = "+de.Value);
- }
-
- for (int i=0; i<m_children.Count; i++)
- {
- ((ConfigNode)m_children[i]).Trace();
- }
- }
-#endif
- }
-}
-
-
-
-
-
-