Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Xml / System / Xml / Cache / XPathNodeInfoAtom.cs / 1 / XPathNodeInfoAtom.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
//-----------------------------------------------------------------------------
using System.Collections;
using System.Text;
using System.Xml;
using System.Xml.Schema;
using System.Xml.XPath;
using System.Diagnostics;
namespace MS.Internal.Xml.Cache {
///
/// The 0th node in each page contains a non-null reference to an XPathNodePageInfo internal class that provides
/// information about that node's page. The other fields in the 0th node are undefined and should never
/// be used.
///
sealed internal class XPathNodePageInfo {
private int pageNum;
private int nodeCount;
private XPathNode[] pagePrev;
private XPathNode[] pageNext;
///
/// Constructor.
///
public XPathNodePageInfo(XPathNode[] pagePrev, int pageNum) {
this.pagePrev = pagePrev;
this.pageNum = pageNum;
this.nodeCount = 1; // Every node page contains PageInfo at 0th position
}
///
/// Return the sequential page number of the page containing nodes that share this information atom.
///
public int PageNumber {
get { return this.pageNum; }
}
///
/// Return the number of nodes allocated in this page.
///
public int NodeCount {
get { return this.nodeCount; }
set { this.nodeCount = value; }
}
///
/// Return the previous node page in the document.
///
public XPathNode[] PreviousPage {
get { return this.pagePrev; }
}
///
/// Return the next node page in the document.
///
public XPathNode[] NextPage {
get { return this.pageNext; }
set { this.pageNext = value; }
}
}
///
/// There is a great deal of redundancy in typical Xml documents. Even in documents with thousands or millions
/// of nodes, there are a small number of common names and types. And since nodes are allocated in pages in
/// document order, nodes on the same page with the same name and type are likely to have the same sibling and
/// parent pages as well.
/// Redundant information is shared by creating immutable, atomized objects. This is analogous to the
/// string.Intern() operation. If a node's name, type, or parent/sibling pages are modified, then a new
/// InfoAtom needs to be obtained, since other nodes may still be referencing the old InfoAtom.
///
sealed internal class XPathNodeInfoAtom {
private string localName;
private string namespaceUri;
private string prefix;
private string baseUri;
private XPathNode[] pageParent;
private XPathNode[] pageSibling;
private XPathNode[] pageSimilar;
private XPathDocument doc;
private int lineNumBase;
private int linePosBase;
private int hashCode;
private int localNameHash;
private XPathNodeInfoAtom next;
private XPathNodePageInfo pageInfo;
///
/// Construct information for the 0th node in each page. The only field which is defined is this.pageInfo,
/// and it contains information about that page (pageNum, nextPage, etc.).
///
public XPathNodeInfoAtom(XPathNodePageInfo pageInfo) {
this.pageInfo = pageInfo;
}
///
/// Construct a new shared information atom. This method should only be used by the XNodeInfoTable.
///
public XPathNodeInfoAtom(string localName, string namespaceUri, string prefix, string baseUri,
XPathNode[] pageParent, XPathNode[] pageSibling, XPathNode[] pageSimilar,
XPathDocument doc, int lineNumBase, int linePosBase) {
Init(localName, namespaceUri, prefix, baseUri, pageParent, pageSibling, pageSimilar, doc, lineNumBase, linePosBase);
}
///
/// Initialize an existing shared information atom. This method should only be used by the XNodeInfoTable.
///
public void Init(string localName, string namespaceUri, string prefix, string baseUri,
XPathNode[] pageParent, XPathNode[] pageSibling, XPathNode[] pageSimilar,
XPathDocument doc, int lineNumBase, int linePosBase) {
Debug.Assert(localName != null && namespaceUri != null && prefix != null && doc != null);
this.localName = localName;
this.namespaceUri = namespaceUri;
this.prefix = prefix;
this.baseUri = baseUri;
this.pageParent = pageParent;
this.pageSibling = pageSibling;
this.pageSimilar = pageSimilar;
this.doc = doc;
this.lineNumBase = lineNumBase;
this.linePosBase = linePosBase;
this.next = null;
this.pageInfo = null;
this.hashCode = 0;
this.localNameHash = 0;
for (int i = 0; i < this.localName.Length; i++)
this.localNameHash += (this.localNameHash << 7) ^ this.localName[i];
}
///
/// Returns information about the node page. Only the 0th node on each page has this property defined.
///
public XPathNodePageInfo PageInfo {
get { return this.pageInfo; }
}
///
/// Return the local name part of nodes that share this information atom.
///
public string LocalName {
get { return this.localName; }
}
///
/// Return the namespace name part of nodes that share this information atom.
///
public string NamespaceUri {
get { return this.namespaceUri; }
}
///
/// Return the prefix name part of nodes that share this information atom.
///
public string Prefix {
get { return this.prefix; }
}
///
/// Return the base Uri of nodes that share this information atom.
///
public string BaseUri {
get { return this.baseUri; }
}
///
/// Return the page containing the next sibling of nodes that share this information atom.
///
public XPathNode[] SiblingPage {
get { return this.pageSibling; }
}
///
/// Return the page containing the next element having a name which has same hashcode as this element.
///
public XPathNode[] SimilarElementPage {
get { return this.pageSimilar; }
}
///
/// Return the page containing the parent of nodes that share this information atom.
///
public XPathNode[] ParentPage {
get { return this.pageParent; }
}
///
/// Return the page containing the owner document of nodes that share this information atom.
///
public XPathDocument Document {
get { return this.doc; }
}
///
/// Return the line number to which a line number offset stored in the XPathNode is added.
///
public int LineNumberBase {
get { return this.lineNumBase; }
}
///
/// Return the line position to which a line position offset stored in the XPathNode is added.
///
public int LinePositionBase {
get { return this.linePosBase; }
}
///
/// Return cached hash code of the local name of nodes which share this information atom.
///
public int LocalNameHashCode {
get { return this.localNameHash; }
}
///
/// Link together InfoAtoms that hash to the same hashtable bucket (should only be used by XPathNodeInfoTable)
///
public XPathNodeInfoAtom Next {
get { return this.next; }
set { this.next = value; }
}
///
/// Return this information atom's hash code, previously computed for performance.
///
public override int GetHashCode() {
if (this.hashCode == 0) {
int hashCode;
// Start with local name
hashCode = this.localNameHash;
// Add page indexes
if (this.pageSibling != null)
hashCode += (hashCode << 7) ^ this.pageSibling[0].PageInfo.PageNumber;
if (this.pageParent != null)
hashCode += (hashCode << 7) ^ this.pageParent[0].PageInfo.PageNumber;
if (this.pageSimilar != null)
hashCode += (hashCode << 7) ^ this.pageSimilar[0].PageInfo.PageNumber;
// Save hashcode. Don't save 0, so that it won't ever be recomputed.
this.hashCode = ((hashCode == 0) ? 1 : hashCode);
}
return this.hashCode;
}
///
/// Return true if this InfoAtom has the same values as another InfoAtom.
///
public override bool Equals(object other) {
XPathNodeInfoAtom that = other as XPathNodeInfoAtom;
Debug.Assert(that != null);
Debug.Assert((object) this.doc == (object) that.doc);
Debug.Assert(this.pageInfo == null);
// Assume that name parts are atomized
if (this.GetHashCode() == that.GetHashCode()) {
if ((object) this.localName == (object) that.localName &&
(object) this.pageSibling == (object) that.pageSibling &&
(object) this.namespaceUri == (object) that.namespaceUri &&
(object) this.pageParent == (object) that.pageParent &&
(object) this.pageSimilar == (object) that.pageSimilar &&
(object) this.prefix == (object) that.prefix &&
(object) this.baseUri == (object) that.baseUri &&
this.lineNumBase == that.lineNumBase &&
this.linePosBase == that.linePosBase) {
return true;
}
}
return false;
}
///
/// Return InfoAtom formatted as a string:
/// hash=xxx, {http://my.com}foo:bar, parent=1, sibling=1, lineNum=0, linePos=0
///
public override string ToString() {
StringBuilder bldr = new StringBuilder();
bldr.Append("hash=");
bldr.Append(GetHashCode());
bldr.Append(", ");
if (this.localName.Length != 0) {
bldr.Append('{');
bldr.Append(this.namespaceUri);
bldr.Append('}');
if (this.prefix.Length != 0) {
bldr.Append(this.prefix);
bldr.Append(':');
}
bldr.Append(this.localName);
bldr.Append(", ");
}
if (this.pageParent != null) {
bldr.Append("parent=");
bldr.Append(this.pageParent[0].PageInfo.PageNumber);
bldr.Append(", ");
}
if (this.pageSibling != null) {
bldr.Append("sibling=");
bldr.Append(this.pageSibling[0].PageInfo.PageNumber);
bldr.Append(", ");
}
if (this.pageSimilar != null) {
bldr.Append("similar=");
bldr.Append(this.pageSimilar[0].PageInfo.PageNumber);
bldr.Append(", ");
}
bldr.Append("lineNum=");
bldr.Append(this.lineNumBase);
bldr.Append(", ");
bldr.Append("linePos=");
bldr.Append(this.linePosBase);
return bldr.ToString();
}
}
///
/// An atomization table for XPathNodeInfoAtom.
///
sealed internal class XPathNodeInfoTable {
private XPathNodeInfoAtom[] hashTable;
private int sizeTable;
private XPathNodeInfoAtom infoCached;
#if DEBUG
private const int DefaultTableSize = 2;
#else
private const int DefaultTableSize = 32;
#endif
///
/// Constructor.
///
public XPathNodeInfoTable() {
this.hashTable = new XPathNodeInfoAtom[DefaultTableSize];
this.sizeTable = 0;
}
///
/// Create a new XNodeInfoAtom and ensure it is atomized in the table.
///
public XPathNodeInfoAtom Create(string localName, string namespaceUri, string prefix, string baseUri,
XPathNode[] pageParent, XPathNode[] pageSibling, XPathNode[] pageSimilar,
XPathDocument doc, int lineNumBase, int linePosBase) {
XPathNodeInfoAtom info;
// If this.infoCached already exists, then reuse it; else create new InfoAtom
if (this.infoCached == null) {
info = new XPathNodeInfoAtom(localName, namespaceUri, prefix, baseUri,
pageParent, pageSibling, pageSimilar,
doc, lineNumBase, linePosBase);
}
else {
info = this.infoCached;
this.infoCached = info.Next;
info.Init(localName, namespaceUri, prefix, baseUri,
pageParent, pageSibling, pageSimilar,
doc, lineNumBase, linePosBase);
}
return Atomize(info);
}
///
/// Add a shared information item to the atomization table. If a matching item already exists, then that
/// instance is returned. Otherwise, a new item is created. Thus, if itemX and itemY have both been added
/// to the same InfoTable:
/// 1. itemX.Equals(itemY) != true
/// 2. (object) itemX != (object) itemY
///
private XPathNodeInfoAtom Atomize(XPathNodeInfoAtom info) {
XPathNodeInfoAtom infoNew, infoNext;
// Search for existing XNodeInfoAtom in the table
infoNew = this.hashTable[info.GetHashCode() & (this.hashTable.Length - 1)];
while (infoNew != null) {
if (info.Equals(infoNew)) {
// Found existing atom, so return that. Reuse "info".
info.Next = this.infoCached;
this.infoCached = info;
return infoNew;
}
infoNew = infoNew.Next;
}
// Expand table and rehash if necessary
if (this.sizeTable >= this.hashTable.Length) {
XPathNodeInfoAtom[] oldTable = this.hashTable;
this.hashTable = new XPathNodeInfoAtom[oldTable.Length * 2];
for (int i = 0; i < oldTable.Length; i++) {
infoNew = oldTable[i];
while (infoNew != null) {
infoNext = infoNew.Next;
AddInfo(infoNew);
infoNew = infoNext;
}
}
}
// Can't find an existing XNodeInfoAtom, so use the one that was passed in
AddInfo(info);
return info;
}
///
/// Add a previously constructed InfoAtom to the table. If a collision occurs, then insert "info"
/// as the head of a linked list.
///
private void AddInfo(XPathNodeInfoAtom info) {
int idx = info.GetHashCode() & (this.hashTable.Length - 1);
info.Next = this.hashTable[idx];
this.hashTable[idx] = info;
this.sizeTable++;
}
///
/// Return InfoAtomTable formatted as a string.
///
public override string ToString() {
StringBuilder bldr = new StringBuilder();
XPathNodeInfoAtom infoAtom;
for (int i = 0; i < this.hashTable.Length; i++) {
bldr.AppendFormat("{0,4}: ", i);
infoAtom = this.hashTable[i];
while (infoAtom != null) {
if ((object) infoAtom != (object) this.hashTable[i])
bldr.Append("\n ");
bldr.Append(infoAtom);
infoAtom = infoAtom.Next;
}
bldr.Append('\n');
}
return bldr.ToString();
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
//-----------------------------------------------------------------------------
using System.Collections;
using System.Text;
using System.Xml;
using System.Xml.Schema;
using System.Xml.XPath;
using System.Diagnostics;
namespace MS.Internal.Xml.Cache {
///
/// The 0th node in each page contains a non-null reference to an XPathNodePageInfo internal class that provides
/// information about that node's page. The other fields in the 0th node are undefined and should never
/// be used.
///
sealed internal class XPathNodePageInfo {
private int pageNum;
private int nodeCount;
private XPathNode[] pagePrev;
private XPathNode[] pageNext;
///
/// Constructor.
///
public XPathNodePageInfo(XPathNode[] pagePrev, int pageNum) {
this.pagePrev = pagePrev;
this.pageNum = pageNum;
this.nodeCount = 1; // Every node page contains PageInfo at 0th position
}
///
/// Return the sequential page number of the page containing nodes that share this information atom.
///
public int PageNumber {
get { return this.pageNum; }
}
///
/// Return the number of nodes allocated in this page.
///
public int NodeCount {
get { return this.nodeCount; }
set { this.nodeCount = value; }
}
///
/// Return the previous node page in the document.
///
public XPathNode[] PreviousPage {
get { return this.pagePrev; }
}
///
/// Return the next node page in the document.
///
public XPathNode[] NextPage {
get { return this.pageNext; }
set { this.pageNext = value; }
}
}
///
/// There is a great deal of redundancy in typical Xml documents. Even in documents with thousands or millions
/// of nodes, there are a small number of common names and types. And since nodes are allocated in pages in
/// document order, nodes on the same page with the same name and type are likely to have the same sibling and
/// parent pages as well.
/// Redundant information is shared by creating immutable, atomized objects. This is analogous to the
/// string.Intern() operation. If a node's name, type, or parent/sibling pages are modified, then a new
/// InfoAtom needs to be obtained, since other nodes may still be referencing the old InfoAtom.
///
sealed internal class XPathNodeInfoAtom {
private string localName;
private string namespaceUri;
private string prefix;
private string baseUri;
private XPathNode[] pageParent;
private XPathNode[] pageSibling;
private XPathNode[] pageSimilar;
private XPathDocument doc;
private int lineNumBase;
private int linePosBase;
private int hashCode;
private int localNameHash;
private XPathNodeInfoAtom next;
private XPathNodePageInfo pageInfo;
///
/// Construct information for the 0th node in each page. The only field which is defined is this.pageInfo,
/// and it contains information about that page (pageNum, nextPage, etc.).
///
public XPathNodeInfoAtom(XPathNodePageInfo pageInfo) {
this.pageInfo = pageInfo;
}
///
/// Construct a new shared information atom. This method should only be used by the XNodeInfoTable.
///
public XPathNodeInfoAtom(string localName, string namespaceUri, string prefix, string baseUri,
XPathNode[] pageParent, XPathNode[] pageSibling, XPathNode[] pageSimilar,
XPathDocument doc, int lineNumBase, int linePosBase) {
Init(localName, namespaceUri, prefix, baseUri, pageParent, pageSibling, pageSimilar, doc, lineNumBase, linePosBase);
}
///
/// Initialize an existing shared information atom. This method should only be used by the XNodeInfoTable.
///
public void Init(string localName, string namespaceUri, string prefix, string baseUri,
XPathNode[] pageParent, XPathNode[] pageSibling, XPathNode[] pageSimilar,
XPathDocument doc, int lineNumBase, int linePosBase) {
Debug.Assert(localName != null && namespaceUri != null && prefix != null && doc != null);
this.localName = localName;
this.namespaceUri = namespaceUri;
this.prefix = prefix;
this.baseUri = baseUri;
this.pageParent = pageParent;
this.pageSibling = pageSibling;
this.pageSimilar = pageSimilar;
this.doc = doc;
this.lineNumBase = lineNumBase;
this.linePosBase = linePosBase;
this.next = null;
this.pageInfo = null;
this.hashCode = 0;
this.localNameHash = 0;
for (int i = 0; i < this.localName.Length; i++)
this.localNameHash += (this.localNameHash << 7) ^ this.localName[i];
}
///
/// Returns information about the node page. Only the 0th node on each page has this property defined.
///
public XPathNodePageInfo PageInfo {
get { return this.pageInfo; }
}
///
/// Return the local name part of nodes that share this information atom.
///
public string LocalName {
get { return this.localName; }
}
///
/// Return the namespace name part of nodes that share this information atom.
///
public string NamespaceUri {
get { return this.namespaceUri; }
}
///
/// Return the prefix name part of nodes that share this information atom.
///
public string Prefix {
get { return this.prefix; }
}
///
/// Return the base Uri of nodes that share this information atom.
///
public string BaseUri {
get { return this.baseUri; }
}
///
/// Return the page containing the next sibling of nodes that share this information atom.
///
public XPathNode[] SiblingPage {
get { return this.pageSibling; }
}
///
/// Return the page containing the next element having a name which has same hashcode as this element.
///
public XPathNode[] SimilarElementPage {
get { return this.pageSimilar; }
}
///
/// Return the page containing the parent of nodes that share this information atom.
///
public XPathNode[] ParentPage {
get { return this.pageParent; }
}
///
/// Return the page containing the owner document of nodes that share this information atom.
///
public XPathDocument Document {
get { return this.doc; }
}
///
/// Return the line number to which a line number offset stored in the XPathNode is added.
///
public int LineNumberBase {
get { return this.lineNumBase; }
}
///
/// Return the line position to which a line position offset stored in the XPathNode is added.
///
public int LinePositionBase {
get { return this.linePosBase; }
}
///
/// Return cached hash code of the local name of nodes which share this information atom.
///
public int LocalNameHashCode {
get { return this.localNameHash; }
}
///
/// Link together InfoAtoms that hash to the same hashtable bucket (should only be used by XPathNodeInfoTable)
///
public XPathNodeInfoAtom Next {
get { return this.next; }
set { this.next = value; }
}
///
/// Return this information atom's hash code, previously computed for performance.
///
public override int GetHashCode() {
if (this.hashCode == 0) {
int hashCode;
// Start with local name
hashCode = this.localNameHash;
// Add page indexes
if (this.pageSibling != null)
hashCode += (hashCode << 7) ^ this.pageSibling[0].PageInfo.PageNumber;
if (this.pageParent != null)
hashCode += (hashCode << 7) ^ this.pageParent[0].PageInfo.PageNumber;
if (this.pageSimilar != null)
hashCode += (hashCode << 7) ^ this.pageSimilar[0].PageInfo.PageNumber;
// Save hashcode. Don't save 0, so that it won't ever be recomputed.
this.hashCode = ((hashCode == 0) ? 1 : hashCode);
}
return this.hashCode;
}
///
/// Return true if this InfoAtom has the same values as another InfoAtom.
///
public override bool Equals(object other) {
XPathNodeInfoAtom that = other as XPathNodeInfoAtom;
Debug.Assert(that != null);
Debug.Assert((object) this.doc == (object) that.doc);
Debug.Assert(this.pageInfo == null);
// Assume that name parts are atomized
if (this.GetHashCode() == that.GetHashCode()) {
if ((object) this.localName == (object) that.localName &&
(object) this.pageSibling == (object) that.pageSibling &&
(object) this.namespaceUri == (object) that.namespaceUri &&
(object) this.pageParent == (object) that.pageParent &&
(object) this.pageSimilar == (object) that.pageSimilar &&
(object) this.prefix == (object) that.prefix &&
(object) this.baseUri == (object) that.baseUri &&
this.lineNumBase == that.lineNumBase &&
this.linePosBase == that.linePosBase) {
return true;
}
}
return false;
}
///
/// Return InfoAtom formatted as a string:
/// hash=xxx, {http://my.com}foo:bar, parent=1, sibling=1, lineNum=0, linePos=0
///
public override string ToString() {
StringBuilder bldr = new StringBuilder();
bldr.Append("hash=");
bldr.Append(GetHashCode());
bldr.Append(", ");
if (this.localName.Length != 0) {
bldr.Append('{');
bldr.Append(this.namespaceUri);
bldr.Append('}');
if (this.prefix.Length != 0) {
bldr.Append(this.prefix);
bldr.Append(':');
}
bldr.Append(this.localName);
bldr.Append(", ");
}
if (this.pageParent != null) {
bldr.Append("parent=");
bldr.Append(this.pageParent[0].PageInfo.PageNumber);
bldr.Append(", ");
}
if (this.pageSibling != null) {
bldr.Append("sibling=");
bldr.Append(this.pageSibling[0].PageInfo.PageNumber);
bldr.Append(", ");
}
if (this.pageSimilar != null) {
bldr.Append("similar=");
bldr.Append(this.pageSimilar[0].PageInfo.PageNumber);
bldr.Append(", ");
}
bldr.Append("lineNum=");
bldr.Append(this.lineNumBase);
bldr.Append(", ");
bldr.Append("linePos=");
bldr.Append(this.linePosBase);
return bldr.ToString();
}
}
///
/// An atomization table for XPathNodeInfoAtom.
///
sealed internal class XPathNodeInfoTable {
private XPathNodeInfoAtom[] hashTable;
private int sizeTable;
private XPathNodeInfoAtom infoCached;
#if DEBUG
private const int DefaultTableSize = 2;
#else
private const int DefaultTableSize = 32;
#endif
///
/// Constructor.
///
public XPathNodeInfoTable() {
this.hashTable = new XPathNodeInfoAtom[DefaultTableSize];
this.sizeTable = 0;
}
///
/// Create a new XNodeInfoAtom and ensure it is atomized in the table.
///
public XPathNodeInfoAtom Create(string localName, string namespaceUri, string prefix, string baseUri,
XPathNode[] pageParent, XPathNode[] pageSibling, XPathNode[] pageSimilar,
XPathDocument doc, int lineNumBase, int linePosBase) {
XPathNodeInfoAtom info;
// If this.infoCached already exists, then reuse it; else create new InfoAtom
if (this.infoCached == null) {
info = new XPathNodeInfoAtom(localName, namespaceUri, prefix, baseUri,
pageParent, pageSibling, pageSimilar,
doc, lineNumBase, linePosBase);
}
else {
info = this.infoCached;
this.infoCached = info.Next;
info.Init(localName, namespaceUri, prefix, baseUri,
pageParent, pageSibling, pageSimilar,
doc, lineNumBase, linePosBase);
}
return Atomize(info);
}
///
/// Add a shared information item to the atomization table. If a matching item already exists, then that
/// instance is returned. Otherwise, a new item is created. Thus, if itemX and itemY have both been added
/// to the same InfoTable:
/// 1. itemX.Equals(itemY) != true
/// 2. (object) itemX != (object) itemY
///
private XPathNodeInfoAtom Atomize(XPathNodeInfoAtom info) {
XPathNodeInfoAtom infoNew, infoNext;
// Search for existing XNodeInfoAtom in the table
infoNew = this.hashTable[info.GetHashCode() & (this.hashTable.Length - 1)];
while (infoNew != null) {
if (info.Equals(infoNew)) {
// Found existing atom, so return that. Reuse "info".
info.Next = this.infoCached;
this.infoCached = info;
return infoNew;
}
infoNew = infoNew.Next;
}
// Expand table and rehash if necessary
if (this.sizeTable >= this.hashTable.Length) {
XPathNodeInfoAtom[] oldTable = this.hashTable;
this.hashTable = new XPathNodeInfoAtom[oldTable.Length * 2];
for (int i = 0; i < oldTable.Length; i++) {
infoNew = oldTable[i];
while (infoNew != null) {
infoNext = infoNew.Next;
AddInfo(infoNew);
infoNew = infoNext;
}
}
}
// Can't find an existing XNodeInfoAtom, so use the one that was passed in
AddInfo(info);
return info;
}
///
/// Add a previously constructed InfoAtom to the table. If a collision occurs, then insert "info"
/// as the head of a linked list.
///
private void AddInfo(XPathNodeInfoAtom info) {
int idx = info.GetHashCode() & (this.hashTable.Length - 1);
info.Next = this.hashTable[idx];
this.hashTable[idx] = info;
this.sizeTable++;
}
///
/// Return InfoAtomTable formatted as a string.
///
public override string ToString() {
StringBuilder bldr = new StringBuilder();
XPathNodeInfoAtom infoAtom;
for (int i = 0; i < this.hashTable.Length; i++) {
bldr.AppendFormat("{0,4}: ", i);
infoAtom = this.hashTable[i];
while (infoAtom != null) {
if ((object) infoAtom != (object) this.hashTable[i])
bldr.Append("\n ");
bldr.Append(infoAtom);
infoAtom = infoAtom.Next;
}
bldr.Append('\n');
}
return bldr.ToString();
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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- QueryStack.cs
- PageCache.cs
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- RSAOAEPKeyExchangeDeformatter.cs
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- EntityDataSourceUtil.cs
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