Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / XsltOld / ActionFrame.cs / 1305376 / ActionFrame.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
//-----------------------------------------------------------------------------
namespace System.Xml.Xsl.XsltOld {
using Res = System.Xml.Utils.Res;
using System;
using System.Xml;
using System.Xml.XPath;
using MS.Internal.Xml.XPath;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Xml.Xsl.XsltOld.Debugger;
internal class ActionFrame : IStackFrame {
private int state; // Action execution state
private int counter; // Counter, for the use of particular action
private object [] variables; // Store for template local variable values
private Hashtable withParams;
private Action action; // Action currently being executed
private ActionFrame container; // Frame of enclosing container action and index within it
private int currentAction;
private XPathNodeIterator nodeSet; // Current node set
private XPathNodeIterator newNodeSet; // Node set for processing children or other templates
// Variables to store action data between states:
private PrefixQName calulatedName; // Used in ElementAction and AttributeAction
private string storedOutput; // Used in NumberAction, CopyOfAction, ValueOfAction and ProcessingInstructionAction
internal PrefixQName CalulatedName {
get { return this.calulatedName; }
set { this.calulatedName = value; }
}
internal string StoredOutput {
get { return this.storedOutput; }
set { this.storedOutput = value; }
}
internal int State {
get { return this.state; }
set { this.state = value; }
}
internal int Counter {
get { return this.counter; }
set { this.counter = value; }
}
internal ActionFrame Container {
get { return this.container; }
}
internal XPathNavigator Node {
get {
if (this.nodeSet != null) {
return this.nodeSet.Current;
}
return null;
}
}
internal XPathNodeIterator NodeSet {
get { return this.nodeSet; }
}
internal XPathNodeIterator NewNodeSet {
get { return this.newNodeSet; }
}
internal int IncrementCounter() {
return ++ this.counter;
}
[System.Runtime.TargetedPatchingOptOutAttribute("Performance critical to inline across NGen image boundaries")]
internal void AllocateVariables(int count) {
if (0 < count) {
this.variables = new object [count];
}
else {
this.variables = null;
}
}
internal object GetVariable(int index) {
Debug.Assert(this.variables != null && index < this.variables.Length);
return this.variables[index];
}
internal void SetVariable(int index, object value) {
Debug.Assert(this.variables != null && index < this.variables.Length);
this.variables[index] = value;
}
internal void SetParameter(XmlQualifiedName name, object value) {
if (this.withParams == null) {
this.withParams = new Hashtable();
}
Debug.Assert(! this.withParams.Contains(name), "We should check duplicate params at compile time");
this.withParams[name] = value;
}
internal void ResetParams() {
if (this.withParams != null)
this.withParams.Clear();
}
internal object GetParameter(XmlQualifiedName name) {
if (this.withParams != null) {
return this.withParams[name];
}
return null;
}
internal void InitNodeSet(XPathNodeIterator nodeSet) {
Debug.Assert(nodeSet != null);
this.nodeSet = nodeSet;
}
internal void InitNewNodeSet(XPathNodeIterator nodeSet) {
Debug.Assert(nodeSet != null);
this.newNodeSet = nodeSet;
}
internal void SortNewNodeSet(Processor proc, ArrayList sortarray) {
Debug.Assert(0 < sortarray.Count);
int numSorts = sortarray.Count;
XPathSortComparer comparer = new XPathSortComparer(numSorts);
for (int i = 0; i < numSorts; i++) {
Sort sort = (Sort) sortarray[i];
Query expr = proc.GetCompiledQuery(sort.select);
comparer.AddSort(expr, new XPathComparerHelper(sort.order, sort.caseOrder, sort.lang, sort.dataType));
}
List results = new List();
Debug.Assert(proc.ActionStack.Peek() == this, "the trick we are doing with proc.Current will work only if this is topmost frame");
while (NewNextNode(proc)) {
XPathNodeIterator savedNodeset = this.nodeSet;
this.nodeSet = this.newNodeSet; // trick proc.Current node
SortKey key = new SortKey(numSorts, /*originalPosition:*/results.Count, this.newNodeSet.Current.Clone());
for (int j = 0; j < numSorts; j ++) {
key[j] = comparer.Expression(j).Evaluate(this.newNodeSet);
}
results.Add(key);
this.nodeSet = savedNodeset; // restore proc.Current node
}
results.Sort(comparer);
this.newNodeSet = new XPathSortArrayIterator(results);
}
// Finished
internal void Finished() {
State = Action.Finished;
}
internal void Inherit(ActionFrame parent) {
Debug.Assert(parent != null);
this.variables = parent.variables;
}
private void Init(Action action, ActionFrame container, XPathNodeIterator nodeSet) {
this.state = Action.Initialized;
this.action = action;
this.container = container;
this.currentAction = 0;
this.nodeSet = nodeSet;
this.newNodeSet = null;
}
internal void Init(Action action, XPathNodeIterator nodeSet) {
Init(action, null, nodeSet);
}
internal void Init(ActionFrame containerFrame, XPathNodeIterator nodeSet) {
Init(containerFrame.GetAction(0), containerFrame, nodeSet);
}
internal void SetAction(Action action) {
SetAction(action, Action.Initialized);
}
internal void SetAction(Action action, int state) {
this.action = action;
this.state = state;
}
private Action GetAction(int actionIndex) {
Debug.Assert(this.action is ContainerAction);
return((ContainerAction) this.action).GetAction(actionIndex);
}
internal void Exit() {
Finished();
this.container = null;
}
/*
* Execute
* return values: true - pop, false - nothing
*/
internal bool Execute(Processor processor) {
if (this.action == null) {
return true;
}
// Execute the action
this.action.Execute(processor, this);
// Process results
if (State == Action.Finished) {
// Advanced to next action
if(this.container != null) {
this.currentAction ++;
this.action = this.container.GetAction(this.currentAction);
State = Action.Initialized;
}
else {
this.action = null;
}
return this.action == null;
}
return false; // Do not pop, unless specified otherwise
}
internal bool NextNode(Processor proc) {
bool next = this.nodeSet.MoveNext();
if (next && proc.Stylesheet.Whitespace) {
XPathNodeType type = this.nodeSet.Current.NodeType;
if (type == XPathNodeType.Whitespace) {
XPathNavigator nav = this.nodeSet.Current.Clone();
bool flag;
do {
nav.MoveTo(this.nodeSet.Current);
nav.MoveToParent();
flag = ! proc.Stylesheet.PreserveWhiteSpace(proc, nav) && (next = this.nodeSet.MoveNext());
type = this.nodeSet.Current.NodeType;
}
while (flag && (type == XPathNodeType.Whitespace ));
}
}
return next;
}
internal bool NewNextNode(Processor proc) {
bool next = this.newNodeSet.MoveNext();
if (next && proc.Stylesheet.Whitespace) {
XPathNodeType type = this.newNodeSet.Current.NodeType;
if (type == XPathNodeType.Whitespace) {
XPathNavigator nav = this.newNodeSet.Current.Clone();
bool flag;
do {
nav.MoveTo(this.newNodeSet.Current);
nav.MoveToParent();
flag = ! proc.Stylesheet.PreserveWhiteSpace(proc, nav) && (next = this.newNodeSet.MoveNext()) ;
type = this.newNodeSet.Current.NodeType;
}
while(flag && (type == XPathNodeType.Whitespace ));
}
}
return next;
}
// ----------------------- IStackFrame : --------------------
XPathNavigator IStackFrame.Instruction {
get {
if (this.action == null) {
return null; // for builtIn action this shoud be null;
}
return this.action.GetDbgData(this).StyleSheet;
}
}
XPathNodeIterator IStackFrame.NodeSet {
get { return this.nodeSet.Clone(); }
}
// Variables:
int IStackFrame.GetVariablesCount() {
if (this.action == null) {
return 0;
}
return this.action.GetDbgData(this).Variables.Length;
}
XPathNavigator IStackFrame.GetVariable(int varIndex) {
return this.action.GetDbgData(this).Variables[varIndex].GetDbgData(null).StyleSheet;
}
object IStackFrame.GetVariableValue(int varIndex) {
return GetVariable(this.action.GetDbgData(this).Variables[varIndex].VarKey);
}
// special array iterator that iterates over ArrayList of SortKey
private class XPathSortArrayIterator : XPathArrayIterator {
public XPathSortArrayIterator(List list) : base(list) { }
public XPathSortArrayIterator(XPathSortArrayIterator it) : base(it) {}
public override XPathNodeIterator Clone() {
return new XPathSortArrayIterator(this);
}
public override XPathNavigator Current {
get {
Debug.Assert(index > 0, "MoveNext() wasn't called");
return ((SortKey) this.list[this.index - 1]).Node;
}
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
//-----------------------------------------------------------------------------
namespace System.Xml.Xsl.XsltOld {
using Res = System.Xml.Utils.Res;
using System;
using System.Xml;
using System.Xml.XPath;
using MS.Internal.Xml.XPath;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Xml.Xsl.XsltOld.Debugger;
internal class ActionFrame : IStackFrame {
private int state; // Action execution state
private int counter; // Counter, for the use of particular action
private object [] variables; // Store for template local variable values
private Hashtable withParams;
private Action action; // Action currently being executed
private ActionFrame container; // Frame of enclosing container action and index within it
private int currentAction;
private XPathNodeIterator nodeSet; // Current node set
private XPathNodeIterator newNodeSet; // Node set for processing children or other templates
// Variables to store action data between states:
private PrefixQName calulatedName; // Used in ElementAction and AttributeAction
private string storedOutput; // Used in NumberAction, CopyOfAction, ValueOfAction and ProcessingInstructionAction
internal PrefixQName CalulatedName {
get { return this.calulatedName; }
set { this.calulatedName = value; }
}
internal string StoredOutput {
get { return this.storedOutput; }
set { this.storedOutput = value; }
}
internal int State {
get { return this.state; }
set { this.state = value; }
}
internal int Counter {
get { return this.counter; }
set { this.counter = value; }
}
internal ActionFrame Container {
get { return this.container; }
}
internal XPathNavigator Node {
get {
if (this.nodeSet != null) {
return this.nodeSet.Current;
}
return null;
}
}
internal XPathNodeIterator NodeSet {
get { return this.nodeSet; }
}
internal XPathNodeIterator NewNodeSet {
get { return this.newNodeSet; }
}
internal int IncrementCounter() {
return ++ this.counter;
}
[System.Runtime.TargetedPatchingOptOutAttribute("Performance critical to inline across NGen image boundaries")]
internal void AllocateVariables(int count) {
if (0 < count) {
this.variables = new object [count];
}
else {
this.variables = null;
}
}
internal object GetVariable(int index) {
Debug.Assert(this.variables != null && index < this.variables.Length);
return this.variables[index];
}
internal void SetVariable(int index, object value) {
Debug.Assert(this.variables != null && index < this.variables.Length);
this.variables[index] = value;
}
internal void SetParameter(XmlQualifiedName name, object value) {
if (this.withParams == null) {
this.withParams = new Hashtable();
}
Debug.Assert(! this.withParams.Contains(name), "We should check duplicate params at compile time");
this.withParams[name] = value;
}
internal void ResetParams() {
if (this.withParams != null)
this.withParams.Clear();
}
internal object GetParameter(XmlQualifiedName name) {
if (this.withParams != null) {
return this.withParams[name];
}
return null;
}
internal void InitNodeSet(XPathNodeIterator nodeSet) {
Debug.Assert(nodeSet != null);
this.nodeSet = nodeSet;
}
internal void InitNewNodeSet(XPathNodeIterator nodeSet) {
Debug.Assert(nodeSet != null);
this.newNodeSet = nodeSet;
}
internal void SortNewNodeSet(Processor proc, ArrayList sortarray) {
Debug.Assert(0 < sortarray.Count);
int numSorts = sortarray.Count;
XPathSortComparer comparer = new XPathSortComparer(numSorts);
for (int i = 0; i < numSorts; i++) {
Sort sort = (Sort) sortarray[i];
Query expr = proc.GetCompiledQuery(sort.select);
comparer.AddSort(expr, new XPathComparerHelper(sort.order, sort.caseOrder, sort.lang, sort.dataType));
}
List results = new List();
Debug.Assert(proc.ActionStack.Peek() == this, "the trick we are doing with proc.Current will work only if this is topmost frame");
while (NewNextNode(proc)) {
XPathNodeIterator savedNodeset = this.nodeSet;
this.nodeSet = this.newNodeSet; // trick proc.Current node
SortKey key = new SortKey(numSorts, /*originalPosition:*/results.Count, this.newNodeSet.Current.Clone());
for (int j = 0; j < numSorts; j ++) {
key[j] = comparer.Expression(j).Evaluate(this.newNodeSet);
}
results.Add(key);
this.nodeSet = savedNodeset; // restore proc.Current node
}
results.Sort(comparer);
this.newNodeSet = new XPathSortArrayIterator(results);
}
// Finished
internal void Finished() {
State = Action.Finished;
}
internal void Inherit(ActionFrame parent) {
Debug.Assert(parent != null);
this.variables = parent.variables;
}
private void Init(Action action, ActionFrame container, XPathNodeIterator nodeSet) {
this.state = Action.Initialized;
this.action = action;
this.container = container;
this.currentAction = 0;
this.nodeSet = nodeSet;
this.newNodeSet = null;
}
internal void Init(Action action, XPathNodeIterator nodeSet) {
Init(action, null, nodeSet);
}
internal void Init(ActionFrame containerFrame, XPathNodeIterator nodeSet) {
Init(containerFrame.GetAction(0), containerFrame, nodeSet);
}
internal void SetAction(Action action) {
SetAction(action, Action.Initialized);
}
internal void SetAction(Action action, int state) {
this.action = action;
this.state = state;
}
private Action GetAction(int actionIndex) {
Debug.Assert(this.action is ContainerAction);
return((ContainerAction) this.action).GetAction(actionIndex);
}
internal void Exit() {
Finished();
this.container = null;
}
/*
* Execute
* return values: true - pop, false - nothing
*/
internal bool Execute(Processor processor) {
if (this.action == null) {
return true;
}
// Execute the action
this.action.Execute(processor, this);
// Process results
if (State == Action.Finished) {
// Advanced to next action
if(this.container != null) {
this.currentAction ++;
this.action = this.container.GetAction(this.currentAction);
State = Action.Initialized;
}
else {
this.action = null;
}
return this.action == null;
}
return false; // Do not pop, unless specified otherwise
}
internal bool NextNode(Processor proc) {
bool next = this.nodeSet.MoveNext();
if (next && proc.Stylesheet.Whitespace) {
XPathNodeType type = this.nodeSet.Current.NodeType;
if (type == XPathNodeType.Whitespace) {
XPathNavigator nav = this.nodeSet.Current.Clone();
bool flag;
do {
nav.MoveTo(this.nodeSet.Current);
nav.MoveToParent();
flag = ! proc.Stylesheet.PreserveWhiteSpace(proc, nav) && (next = this.nodeSet.MoveNext());
type = this.nodeSet.Current.NodeType;
}
while (flag && (type == XPathNodeType.Whitespace ));
}
}
return next;
}
internal bool NewNextNode(Processor proc) {
bool next = this.newNodeSet.MoveNext();
if (next && proc.Stylesheet.Whitespace) {
XPathNodeType type = this.newNodeSet.Current.NodeType;
if (type == XPathNodeType.Whitespace) {
XPathNavigator nav = this.newNodeSet.Current.Clone();
bool flag;
do {
nav.MoveTo(this.newNodeSet.Current);
nav.MoveToParent();
flag = ! proc.Stylesheet.PreserveWhiteSpace(proc, nav) && (next = this.newNodeSet.MoveNext()) ;
type = this.newNodeSet.Current.NodeType;
}
while(flag && (type == XPathNodeType.Whitespace ));
}
}
return next;
}
// ----------------------- IStackFrame : --------------------
XPathNavigator IStackFrame.Instruction {
get {
if (this.action == null) {
return null; // for builtIn action this shoud be null;
}
return this.action.GetDbgData(this).StyleSheet;
}
}
XPathNodeIterator IStackFrame.NodeSet {
get { return this.nodeSet.Clone(); }
}
// Variables:
int IStackFrame.GetVariablesCount() {
if (this.action == null) {
return 0;
}
return this.action.GetDbgData(this).Variables.Length;
}
XPathNavigator IStackFrame.GetVariable(int varIndex) {
return this.action.GetDbgData(this).Variables[varIndex].GetDbgData(null).StyleSheet;
}
object IStackFrame.GetVariableValue(int varIndex) {
return GetVariable(this.action.GetDbgData(this).Variables[varIndex].VarKey);
}
// special array iterator that iterates over ArrayList of SortKey
private class XPathSortArrayIterator : XPathArrayIterator {
public XPathSortArrayIterator(List list) : base(list) { }
public XPathSortArrayIterator(XPathSortArrayIterator it) : base(it) {}
public override XPathNodeIterator Clone() {
return new XPathSortArrayIterator(this);
}
public override XPathNavigator Current {
get {
Debug.Assert(index > 0, "MoveNext() wasn't called");
return ((SortKey) this.list[this.index - 1]).Node;
}
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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