//Private methods
internal void SetToReplayMode()
{
_cacheState = CachingReaderState.Replay;
_currentContentIndex = 0;
_currentAttrIndex = -1;
Read(); //Position on first node recorded to begin replaying
}
public override void Skip()
{
switch (this.cachedNode.NodeType)
{
case XmlNodeType.Element:
break;
case XmlNodeType.Attribute:
this.MoveToElement();
break;
default:
this.Read();
return;
}
if ((this.coreReader.NodeType != XmlNodeType.EndElement) && !this.readAhead)
{
int num = this.coreReader.Depth - 1;
while (this.coreReader.Read() && (this.coreReader.Depth > num))
{
}
}
this.coreReader.Read();
this.cacheState = CachingReaderState.ReaderClosed;
this.cacheHandler(this);
}
// Skips to the end tag of the current element.
public override void Skip()
{
//Skip on caching reader should move to the end of the subtree, past all cached events
switch (_cachedNode.NodeType)
{
case XmlNodeType.Element:
if (_coreReader.NodeType != XmlNodeType.EndElement && !_readAhead)
{ //will be true for IsDefault cases where we peek only one node ahead
int startDepth = _coreReader.Depth - 1;
while (_coreReader.Read() && _coreReader.Depth > startDepth)
{
;
}
}
_coreReader.Read();
_cacheState = CachingReaderState.ReaderClosed;
_cacheHandler(this);
break;
case XmlNodeType.Attribute:
MoveToElement();
goto case XmlNodeType.Element;
default:
Debug.Assert(_cacheState == CachingReaderState.Replay);
Read();
break;
}
}
internal void SetToReplayMode()
{
this.cacheState = CachingReaderState.Replay;
this.currentContentIndex = 0;
this.currentAttrIndex = -1;
this.Read();
}
private void Init() {
coreReaderNameTable = coreReader.NameTable;
cacheState = CachingReaderState.Init;
contentIndex = 0;
currentAttrIndex = -1;
currentContentIndex = -1;
attributeCount = 0;
cachedNode = null;
readAhead = false;
//Initialize the cachingReader with start state
if (coreReader.NodeType == XmlNodeType.Element) {
ValidatingReaderNodeData element = AddContent(coreReader.NodeType);
element.SetItemData(coreReader.LocalName, coreReader.Prefix, coreReader.NamespaceURI, coreReader.Depth); //Only created for element node type
element.SetLineInfo(lineInfo);
RecordAttributes();
}
}
private void Init()
{
this.coreReaderNameTable = this.coreReader.NameTable;
this.cacheState = CachingReaderState.Init;
this.contentIndex = 0;
this.currentAttrIndex = -1;
this.currentContentIndex = -1;
this.attributeCount = 0;
this.cachedNode = null;
this.readAhead = false;
if (this.coreReader.NodeType == XmlNodeType.Element)
{
ValidatingReaderNodeData data = this.AddContent(this.coreReader.NodeType);
data.SetItemData(this.coreReader.LocalName, this.coreReader.Prefix, this.coreReader.NamespaceURI, this.coreReader.Depth);
data.SetLineInfo(this.lineInfo);
this.RecordAttributes();
}
}
private void Init()
{
_coreReaderNameTable = _coreReader.NameTable;
_cacheState = CachingReaderState.Init;
_contentIndex = 0;
_currentAttrIndex = -1;
_currentContentIndex = -1;
_attributeCount = 0;
_cachedNode = null;
_readAhead = false;
//Initialize the cachingReader with start state
if (_coreReader.NodeType == XmlNodeType.Element)
{
ValidatingReaderNodeData element = AddContent(_coreReader.NodeType);
element.SetItemData(_coreReader.LocalName, _coreReader.Prefix, _coreReader.NamespaceURI, _coreReader.Depth); //Only created for element node type
element.SetLineInfo(_lineInfo);
RecordAttributes();
}
}
// Reads the next node from the stream/TextReader.
public override bool Read()
{
switch (_cacheState)
{
case CachingReaderState.Init:
_cacheState = CachingReaderState.Record;
goto case CachingReaderState.Record;
case CachingReaderState.Record:
ValidatingReaderNodeData recordedNode = null;
if (_coreReader.Read())
{
switch (_coreReader.NodeType)
{
case XmlNodeType.Element:
//Dont record element within the content of a union type since the main reader will break on this and the underlying coreReader will be positioned on this node
_cacheState = CachingReaderState.ReaderClosed;
return(false);
case XmlNodeType.EndElement:
recordedNode = AddContent(_coreReader.NodeType);
recordedNode.SetItemData(_coreReader.LocalName, _coreReader.Prefix, _coreReader.NamespaceURI, _coreReader.Depth); //Only created for element node type
recordedNode.SetLineInfo(_lineInfo);
break;
case XmlNodeType.Comment:
case XmlNodeType.ProcessingInstruction:
case XmlNodeType.Text:
case XmlNodeType.CDATA:
case XmlNodeType.Whitespace:
case XmlNodeType.SignificantWhitespace:
recordedNode = AddContent(_coreReader.NodeType);
recordedNode.SetItemData(_coreReader.Value);
recordedNode.SetLineInfo(_lineInfo);
recordedNode.Depth = _coreReader.Depth;
break;
default:
break;
}
_cachedNode = recordedNode;
return(true);
}
else
{
_cacheState = CachingReaderState.ReaderClosed;
return(false);
}
case CachingReaderState.Replay:
if (_currentContentIndex >= _contentIndex)
{ //When positioned on the last cached node, switch back as the underlying coreReader is still positioned on this node
_cacheState = CachingReaderState.ReaderClosed;
_cacheHandler(this);
if (_coreReader.NodeType != XmlNodeType.Element || _readAhead)
{ //Only when coreReader not positioned on Element node, read ahead, otherwise it is on the next element node already, since this was not cached
return(_coreReader.Read());
}
return(true);
}
_cachedNode = _contentEvents[_currentContentIndex];
if (_currentContentIndex > 0)
{
ClearAttributesInfo();
}
_currentContentIndex++;
return(true);
default:
return(false);
}
}
//Private methods
internal void SetToReplayMode() {
cacheState = CachingReaderState.Replay;
currentContentIndex = 0;
currentAttrIndex = -1;
Read(); //Position on first node recorded to begin replaying
}
// Skips to the end tag of the current element.
public override void Skip() {
//Skip on caching reader should move to the end of the subtree, past all cached events
switch (cachedNode.NodeType) {
case XmlNodeType.Element:
if (coreReader.NodeType != XmlNodeType.EndElement && !readAhead) { //will be true for IsDefault cases where we peek only one node ahead
int startDepth = coreReader.Depth - 1;
while (coreReader.Read() && coreReader.Depth > startDepth)
;
}
coreReader.Read();
cacheState = CachingReaderState.ReaderClosed;
cacheHandler(this);
break;
case XmlNodeType.Attribute:
MoveToElement();
goto case XmlNodeType.Element;
default:
Debug.Assert(cacheState == CachingReaderState.Replay);
Read();
break;
}
}
// Closes the stream, changes the ReadState to Closed, and sets all the properties back to zero.
public override void Close() {
coreReader.Close();
cacheState = CachingReaderState.ReaderClosed;
}
// Reads the next node from the stream/TextReader.
public override bool Read() {
switch (cacheState) {
case CachingReaderState.Init:
cacheState = CachingReaderState.Record;
goto case CachingReaderState.Record;
case CachingReaderState.Record:
ValidatingReaderNodeData recordedNode = null;
if (coreReader.Read()) {
switch(coreReader.NodeType) {
case XmlNodeType.Element:
//Dont record element within the content of a union type since the main reader will break on this and the underlying coreReader will be positioned on this node
cacheState = CachingReaderState.ReaderClosed;
return false;
case XmlNodeType.EndElement:
recordedNode = AddContent(coreReader.NodeType);
recordedNode.SetItemData(coreReader.LocalName, coreReader.Prefix, coreReader.NamespaceURI, coreReader.Depth); //Only created for element node type
recordedNode.SetLineInfo(lineInfo);
break;
case XmlNodeType.Comment:
case XmlNodeType.ProcessingInstruction:
case XmlNodeType.Text:
case XmlNodeType.Whitespace:
case XmlNodeType.SignificantWhitespace:
recordedNode = AddContent(coreReader.NodeType);
recordedNode.SetItemData(coreReader.Value);
recordedNode.SetLineInfo(lineInfo);
recordedNode.Depth = coreReader.Depth;
break;
default:
break;
}
cachedNode = recordedNode;
return true;
}
else {
cacheState = CachingReaderState.ReaderClosed;
return false;
}
case CachingReaderState.Replay:
if (currentContentIndex >= contentIndex) { //When positioned on the last cached node, switch back as the underlying coreReader is still positioned on this node
cacheState = CachingReaderState.ReaderClosed;
cacheHandler(this);
if (coreReader.NodeType != XmlNodeType.Element || readAhead) { //Only when coreReader not positioned on Element node, read ahead, otherwise it is on the next element node already, since this was not cached
return coreReader.Read();
}
return true;
}
cachedNode = contentEvents[currentContentIndex];
if (currentContentIndex > 0) {
ClearAttributesInfo();
}
currentContentIndex++;
return true;
default:
return false;
}
}
private void Init()
{
this.coreReaderNameTable = this.coreReader.NameTable;
this.cacheState = CachingReaderState.Init;
this.contentIndex = 0;
this.currentAttrIndex = -1;
this.currentContentIndex = -1;
this.attributeCount = 0;
this.cachedNode = null;
this.readAhead = false;
if (this.coreReader.NodeType == XmlNodeType.Element)
{
ValidatingReaderNodeData data = this.AddContent(this.coreReader.NodeType);
data.SetItemData(this.coreReader.LocalName, this.coreReader.Prefix, this.coreReader.NamespaceURI, this.coreReader.Depth);
data.SetLineInfo(this.lineInfo);
this.RecordAttributes();
}
}
public override void Close()
{
this.coreReader.Close();
this.cacheState = CachingReaderState.ReaderClosed;
}
// Closes the stream, changes the ReadState to Closed, and sets all the properties back to zero.
public override void Close()
{
_coreReader.Close();
_cacheState = CachingReaderState.ReaderClosed;
}
public override bool Read()
{
switch (this.cacheState)
{
case CachingReaderState.Init:
this.cacheState = CachingReaderState.Record;
break;
case CachingReaderState.Record:
break;
case CachingReaderState.Replay:
if (this.currentContentIndex < this.contentIndex)
{
this.cachedNode = this.contentEvents[this.currentContentIndex];
if (this.currentContentIndex > 0)
{
this.ClearAttributesInfo();
}
this.currentContentIndex++;
return(true);
}
this.cacheState = CachingReaderState.ReaderClosed;
this.cacheHandler(this);
return(((this.coreReader.NodeType == XmlNodeType.Element) && !this.readAhead) || this.coreReader.Read());
default:
return(false);
}
ValidatingReaderNodeData data = null;
if (!this.coreReader.Read())
{
this.cacheState = CachingReaderState.ReaderClosed;
return(false);
}
switch (this.coreReader.NodeType)
{
case XmlNodeType.Element:
this.cacheState = CachingReaderState.ReaderClosed;
return(false);
case XmlNodeType.Text:
case XmlNodeType.CDATA:
case XmlNodeType.ProcessingInstruction:
case XmlNodeType.Comment:
case XmlNodeType.Whitespace:
case XmlNodeType.SignificantWhitespace:
data = this.AddContent(this.coreReader.NodeType);
data.SetItemData(this.coreReader.Value);
data.SetLineInfo(this.lineInfo);
data.Depth = this.coreReader.Depth;
break;
case XmlNodeType.EndElement:
data = this.AddContent(this.coreReader.NodeType);
data.SetItemData(this.coreReader.LocalName, this.coreReader.Prefix, this.coreReader.NamespaceURI, this.coreReader.Depth);
data.SetLineInfo(this.lineInfo);
break;
}
this.cachedNode = data;
return(true);
}
public override void Skip()
{
switch (this.cachedNode.NodeType)
{
case XmlNodeType.Element:
break;
case XmlNodeType.Attribute:
this.MoveToElement();
break;
default:
this.Read();
return;
}
if ((this.coreReader.NodeType != XmlNodeType.EndElement) && !this.readAhead)
{
int num = this.coreReader.Depth - 1;
while (this.coreReader.Read() && (this.coreReader.Depth > num))
{
}
}
this.coreReader.Read();
this.cacheState = CachingReaderState.ReaderClosed;
this.cacheHandler(this);
}
internal void SetToReplayMode()
{
this.cacheState = CachingReaderState.Replay;
this.currentContentIndex = 0;
this.currentAttrIndex = -1;
this.Read();
}
public override bool Read()
{
switch (this.cacheState)
{
case CachingReaderState.Init:
this.cacheState = CachingReaderState.Record;
break;
case CachingReaderState.Record:
break;
case CachingReaderState.Replay:
if (this.currentContentIndex < this.contentIndex)
{
this.cachedNode = this.contentEvents[this.currentContentIndex];
if (this.currentContentIndex > 0)
{
this.ClearAttributesInfo();
}
this.currentContentIndex++;
return true;
}
this.cacheState = CachingReaderState.ReaderClosed;
this.cacheHandler(this);
return (((this.coreReader.NodeType == XmlNodeType.Element) && !this.readAhead) || this.coreReader.Read());
default:
return false;
}
ValidatingReaderNodeData data = null;
if (!this.coreReader.Read())
{
this.cacheState = CachingReaderState.ReaderClosed;
return false;
}
switch (this.coreReader.NodeType)
{
case XmlNodeType.Element:
this.cacheState = CachingReaderState.ReaderClosed;
return false;
case XmlNodeType.Text:
case XmlNodeType.CDATA:
case XmlNodeType.ProcessingInstruction:
case XmlNodeType.Comment:
case XmlNodeType.Whitespace:
case XmlNodeType.SignificantWhitespace:
data = this.AddContent(this.coreReader.NodeType);
data.SetItemData(this.coreReader.Value);
data.SetLineInfo(this.lineInfo);
data.Depth = this.coreReader.Depth;
break;
case XmlNodeType.EndElement:
data = this.AddContent(this.coreReader.NodeType);
data.SetItemData(this.coreReader.LocalName, this.coreReader.Prefix, this.coreReader.NamespaceURI, this.coreReader.Depth);
data.SetLineInfo(this.lineInfo);
break;
}
this.cachedNode = data;
return true;
}
