Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / IlGen / StaticDataManager.cs / 1305376 / StaticDataManager.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //----------------------------------------------------------------------------- using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.Reflection; using System.Xml.Xsl.Qil; using System.Xml.Xsl.Runtime; namespace System.Xml.Xsl.IlGen { ////// This internal class maintains a list of unique values. Each unique value is assigned a unique ID, which can /// be used to quickly access the value, since it corresponds to the value's position in the list. /// internal class UniqueList{ private Dictionary lookup = new Dictionary (); private List list = new List (); /// /// If "value" is already in the list, do not add it. Return the unique ID of the value in the list. /// public int Add(T value) { int id; if (!this.lookup.ContainsKey(value)) { // The value does not yet exist, so add it to the list id = list.Count; this.lookup.Add(value, id); this.list.Add(value); } else { id = this.lookup[value]; } return id; } ////// Return an array of the unique values. /// public T[] ToArray() { return list.ToArray(); } } ////// Manages all static data that is used by the runtime. This includes: /// 1. All NCName and QName atoms that will be used at run-time /// 2. All QName filters that will be used at run-time /// 3. All Xml types that will be used at run-time /// 4. All global variables and parameters /// internal class StaticDataManager { private UniqueListuniqueNames; private UniqueList uniqueFilters; private List prefixMappingsList; private List globalNames; private UniqueList earlyInfo; private UniqueList uniqueXmlTypes; private UniqueList uniqueCollations; /// /// Add "name" to the list of unique names that are used by this query. Return the index of /// the unique name in the list. /// public int DeclareName(string name) { if (this.uniqueNames == null) this.uniqueNames = new UniqueList(); return this.uniqueNames.Add(name); } /// /// Return an array of all names that are used by the query (null if no names). /// public string[] Names { get { return (this.uniqueNames != null) ? this.uniqueNames.ToArray() : null; } } ////// Add a name filter to the list of unique filters that are used by this query. Return the index of /// the unique filter in the list. /// public int DeclareNameFilter(string locName, string nsUri) { if (this.uniqueFilters == null) this.uniqueFilters = new UniqueList(); return this.uniqueFilters.Add(new Int32Pair(DeclareName(locName), DeclareName(nsUri))); } /// /// Return an array of all name filters, where each name filter is represented as a pair of integer offsets (localName, namespaceUri) /// into the Names array (null if no name filters). /// public Int32Pair[] NameFilters { get { return (this.uniqueFilters != null) ? this.uniqueFilters.ToArray() : null; } } ////// Add a list of QilExpression NamespaceDeclarations to an array of strings (prefix followed by namespace URI). /// Return index of the prefix mappings within this array. /// public int DeclarePrefixMappings(IListlist) { StringPair[] prefixMappings; // Fill mappings array prefixMappings = new StringPair[list.Count]; for (int i = 0; i < list.Count; i++) { // Each entry in mappings array must be a constant NamespaceDeclaration QilBinary ndNmspDecl = (QilBinary) list[i]; Debug.Assert(ndNmspDecl != null); Debug.Assert(ndNmspDecl.Left is QilLiteral && ndNmspDecl.Right is QilLiteral); prefixMappings[i] = new StringPair((string) (QilLiteral) ndNmspDecl.Left, (string) (QilLiteral) ndNmspDecl.Right); } // Add mappings to list and return index if (this.prefixMappingsList == null) this.prefixMappingsList = new List (); this.prefixMappingsList.Add(prefixMappings); return this.prefixMappingsList.Count - 1; } /// /// Return an array of all prefix mappings that are used by the query to compute names (null if no mappings). /// public StringPair[][] PrefixMappingsList { get { return (this.prefixMappingsList != null) ? this.prefixMappingsList.ToArray() : null; } } ////// Declare a new global variable or parameter. /// public int DeclareGlobalValue(string name) { int idx; if (this.globalNames == null) this.globalNames = new List(); idx = this.globalNames.Count; this.globalNames.Add(name); return idx; } /// /// Return an array containing the names of all global variables and parameters. /// public string[] GlobalNames { get { return (this.globalNames != null) ? this.globalNames.ToArray() : null; } } ////// Add early bound information to a list that is used by this query. Return the index of /// the early bound information in the list. /// public int DeclareEarlyBound(string namespaceUri, Type ebType) { if (this.earlyInfo == null) this.earlyInfo = new UniqueList(); return this.earlyInfo.Add(new EarlyBoundInfo(namespaceUri, ebType)); } /// /// Return an array of all early bound information that is used by the query (null if none is used). /// public EarlyBoundInfo[] EarlyBound { get { if (this.earlyInfo != null) return this.earlyInfo.ToArray(); return null; } } ////// Add "type" to the list of unique types that are used by this query. Return the index of /// the unique type in the list. /// public int DeclareXmlType(XmlQueryType type) { if (this.uniqueXmlTypes == null) this.uniqueXmlTypes = new UniqueList(); XmlQueryTypeFactory.CheckSerializability(type); return this.uniqueXmlTypes.Add(type); } /// /// Return an array of all types that are used by the query (null if no names). /// public XmlQueryType[] XmlTypes { get { return (this.uniqueXmlTypes != null) ? this.uniqueXmlTypes.ToArray() : null; } } ////// Add "collation" to the list of unique collations that are used by this query. Return the index of /// the unique collation in the list. /// public int DeclareCollation(string collation) { if (this.uniqueCollations == null) this.uniqueCollations = new UniqueList(); return this.uniqueCollations.Add(XmlCollation.Create(collation)); } /// /// Return an array of all collations that are used by the query (null if no names). /// public XmlCollation[] Collations { get { return (this.uniqueCollations != null) ? this.uniqueCollations.ToArray() : null; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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