/// <summary> Gets a frame by name.
/// Names are checked without case sensitivity and conversion to uppercase
/// is performed with the locale provided.
/// </summary>
/// <param name="name">The name of the frame to retrieve.
/// </param>
/// <param name="locale">The locale to use when converting to uppercase.
/// </param>
/// <returns> The specified frame or <code>null</code> if it wasn't found.
/// </returns>
public virtual FrameTag GetFrame(System.String name, System.Globalization.CultureInfo locale)
{
INode node;
FrameTag ret;
ret = null;
#if NETFX_CORE && UNITY_METRO && !UNITY_EDITOR
name = name.ToUpper();
#else
name = name.ToUpper(locale);
#endif
for (ISimpleNodeIterator e = Frames.Elements(); e.HasMoreNodes() && (null == ret);)
{
node = e.NextNode();
if (node is FrameTag)
{
ret = (FrameTag)node;
#if NETFX_CORE && UNITY_METRO && !UNITY_EDITOR
if (!ret.FrameName.ToUpper().Equals(name))
#else
if (!ret.FrameName.ToUpper(locale).Equals(name))
#endif
{ ret = null; }
}
}
return(ret);
}
/// <summary> Get the input tag in the form corresponding to the given name</summary>
/// <param name="name">The name of the input tag to be retrieved
/// </param>
/// <returns> Tag The input tag corresponding to the name provided
/// </returns>
public virtual InputTag GetInputTag(System.String name)
{
InputTag inputTag;
bool found;
System.String inputTagName;
inputTag = null;
found = false;
for (ISimpleNodeIterator e = FormInputs.Elements(); e.HasMoreNodes() && !found;)
{
inputTag = (InputTag)e.NextNode();
inputTagName = inputTag.GetAttribute("NAME");
if (inputTagName != null && inputTagName.ToUpper().Equals(name.ToUpper()))
{
found = true;
}
}
if (found)
{
return(inputTag);
}
else
{
return(null);
}
}
public virtual bool NodePopRange()
{
m_nodelist = (NodeList)m_nodestack.Pop();
m_nodeenum = (ISimpleNodeIterator)m_nodestack.Pop();
m_node = (INode)m_nodestack.Pop();
return(true);
}
/// <summary> Return the contents of this link node as a string suitable for debugging.</summary>
/// <returns> A string representation of this node.
/// </returns>
public override System.String ToString()
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append("Link to : " + Link + "begins at : " + StartPosition + "; ends at : " + EndPosition + ", AccessKey=");
if (AccessKey == null)
{
sb.Append("null\n");
}
else
{
sb.Append(AccessKey + "\n");
}
if (null != Children)
{
sb.Append(" " + "LinkData\n");
sb.Append(" " + "--------\n");
INode node;
int i = 0;
for (ISimpleNodeIterator e = GetChildren(); e.HasMoreNodes();)
{
node = e.NextNode();
sb.Append(" " + (i++) + " ");
sb.Append(node.ToString() + "\n");
}
}
sb.Append(" " + "*** END of LinkData ***\n");
return(sb.ToString());
}
/// <summary> Searches all children who for a name attribute. Returns first match.</summary>
/// <param name="name">Attribute to match in tag
/// </param>
/// <returns> Tag Tag matching the name attribute
/// </returns>
public virtual ITag SearchByName(System.String name)
{
INode node;
ITag tag = null;
bool found = false;
for (ISimpleNodeIterator e = GetChildren(); e.HasMoreNodes() && !found;)
{
node = e.NextNode();
if (node is ITag)
{
tag = (ITag)node;
System.String nameAttribute = tag.GetAttribute("NAME");
if (nameAttribute != null && nameAttribute.Equals(name))
{
found = true;
}
}
}
if (found)
{
return(tag);
}
else
{
return(null);
}
}
/// <summary> Searches for all nodes whose text representation contains the search string.
/// Collects all nodes containing the search string into a NodeList.
/// For example, if you wish to find any textareas in a form tag containing
/// "hello world", the code would be:
/// <code>
/// NodeList nodeList = formTag.searchFor("Hello World");
/// </code>
/// </summary>
/// <param name="searchString">Search criterion.
/// </param>
/// <param name="caseSensitive">If <code>true</code> this search should be case
/// sensitive. Otherwise, the search string and the node text are converted
/// to uppercase using the locale provided.
/// </param>
/// <param name="locale">The locale for uppercase conversion.
/// </param>
/// <returns> A collection of nodes whose string contents or
/// representation have the <code>searchString</code> in them.
/// </returns>
public virtual NodeList SearchFor(System.String searchString, bool caseSensitive, System.Globalization.CultureInfo locale)
{
INode node;
System.String text;
NodeList ret;
ret = new NodeList();
if (!caseSensitive)
{
searchString = searchString.ToUpper(locale);
}
for (ISimpleNodeIterator e = GetChildren(); e.HasMoreNodes();)
{
node = e.NextNode();
text = node.ToPlainTextString();
if (!caseSensitive)
{
text = text.ToUpper(locale);
}
if (-1 != text.IndexOf(searchString))
{
ret.Add(node);
}
}
return(ret);
}
/// <summary> Return the textual contents of this tag and it's children.</summary>
/// <returns> The 'browser' text contents of this tag.
/// </returns>
public override System.String ToPlainTextString()
{
System.Text.StringBuilder stringRepresentation = new System.Text.StringBuilder();
for (ISimpleNodeIterator e = GetChildren(); e.HasMoreNodes();)
{
stringRepresentation.Append(e.NextNode().ToPlainTextString());
}
return(stringRepresentation.ToString());
}
/// <summary> Add the textual contents of the children of this node to the buffer.</summary>
/// <param name="sb">The buffer to append to.
/// </param>
protected internal virtual void PutChildrenInto(System.Text.StringBuilder sb)
{
INode node;
for (ISimpleNodeIterator e = GetChildren(); e.HasMoreNodes();)
{
node = e.NextNode();
// eliminate virtual tags
// if (!(node.getStartPosition () == node.getEndPosition ()))
sb.Append(node.ToHtml());
}
}
/// <summary> Collect this node and its child nodes (if-applicable) into the list parameter,
/// provided the node satisfies the filtering criteria.
/// <p>This mechanism allows powerful filtering code to be written very easily,
/// without bothering about collection of embedded tags separately.
/// e.g. when we try to get all the links on a page, it is not possible to
/// get it at the top-level, as many tags (like form tags), can contain
/// links embedded in them. We could get the links out by checking if the
/// current node is a {@link CompositeTag}, and going through its children.
/// So this method provides a convenient way to do this.</p>
/// <p>Using collectInto(), programs get a lot shorter. Now, the code to
/// extract all links from a page would look like:
/// <pre>
/// NodeList list = new NodeList();
/// NodeFilter filter = new TagNameFilter ("A");
/// for (NodeIterator e = parser.elements(); e.hasMoreNodes();)
/// e.nextNode().collectInto(list, filter);
/// </pre>
/// Thus, <code>list</code> will hold all the link nodes, irrespective of how
/// deep the links are embedded.</p>
/// <p>Another way to accomplish the same objective is:
/// <pre>
/// NodeList list = new NodeList();
/// NodeFilter filter = new TagClassFilter (LinkTag.class);
/// for (NodeIterator e = parser.elements(); e.hasMoreNodes();)
/// e.nextNode().collectInto(list, filter);
/// </pre>
/// This is slightly less specific because the LinkTag class may be
/// registered for more than one node name, e.g. <LINK> tags too.</p>
/// </summary>
/// <param name="list">The list to add nodes to.
/// </param>
/// <param name="filter">The filter to apply.
/// </param>
public override void CollectInto(NodeList list, INodeFilter filter)
{
base.CollectInto(list, filter);
for (ISimpleNodeIterator e = GetChildren(); e.HasMoreNodes();)
{
e.NextNode().CollectInto(list, filter);
}
if ((null != GetEndTag()) && (this != GetEndTag()))
{
// 2nd guard handles <tag/>
GetEndTag().CollectInto(list, filter);
}
}
/// <summary> Returns the node number of a child node given the node object.
/// This would typically be used in conjuction with digUpStringNode,
/// after which the string node's parent can be used to find the
/// string node's position. Faster than calling findPositionOf(text)
/// again. Note that the position is at a linear level alone - there
/// is no recursion in this method.
/// </summary>
/// <param name="searchNode">The child node to find.
/// </param>
/// <returns> The offset of the child tag or -1 if it was not found.
/// </returns>
public virtual int FindPositionOf(INode searchNode)
{
INode node;
int loc = 0;
for (ISimpleNodeIterator e = GetChildren(); e.HasMoreNodes();)
{
node = e.NextNode();
if (node == searchNode)
{
return(loc);
}
loc++;
}
return(-1);
}
/// <summary> Returns the node number of the first node containing the given text.
/// This can be useful to index into the composite tag and get other children.
/// Text is compared without case sensitivity and conversion to uppercase
/// uses the supplied locale.
/// </summary>
/// <returns> int The node index in the children list of the node containing
/// the text or -1 if not found.
/// </returns>
/// <param name="locale">The locale to use in converting to uppercase.
/// </param>
/// <param name="text">The text to search for.
/// </param>
public virtual int FindPositionOf(System.String text, System.Globalization.CultureInfo locale)
{
INode node;
int loc;
loc = 0;
text = text.ToUpper(locale);
for (ISimpleNodeIterator e = GetChildren(); e.HasMoreNodes();)
{
node = e.NextNode();
if (-1 != node.ToPlainTextString().ToUpper(locale).IndexOf(text))
{
return(loc);
}
loc++;
}
return(-1);
}
public virtual void Navigate(string url)
{
try
{
m_parser = new Parser(new Lexer(getHtml(url, null)), null);
m_nodestack.Clear();
m_node = null;
m_nodeenum = null;
m_nodelist = null;
m_url = url;
//m_parser.InputHTML = getHtml(url, null);
//m_parser.URL = url;
//m_parser.AnalyzePage();
}
catch (Exception e)
{
log.Error("Navigate: " + url, e);
}
}
protected void Dispose(bool Disposing)
{
if (!IsDisposed)
{
if (Disposing)
{
//清理托管资源
m_parser = null;
//if (m_nodelist != null) m_nodelist.Clear();
m_nodelist = null;
m_node = null;
m_nodeenum = null;
//m_nodestack.Clear();
m_nodestack = null;
}
//清理非托管资源
}
IsDisposed = true;
}
public virtual bool NodePushRangeAll()
{
NodeList nl = m_parser.Parse(AndFilter.TrueFilter);
if (nl.Count > 0)
{
m_nodestack.Push(m_node);
m_nodestack.Push(m_nodeenum);
m_nodestack.Push(m_nodelist);
m_nodelist = nl;
m_nodeenum = m_nodelist.Elements();
m_node = null;
return(true);
}
else
{
return(false);
}
}
public virtual bool NodePushRangeByName(string elementname)
{
NodeList nl = m_parser.Parse(new HasAttributeFilter("name", elementname));
if (nl.Count > 0)
{
m_nodestack.Push(m_node);
m_nodestack.Push(m_nodeenum);
m_nodestack.Push(m_nodelist);
m_nodelist = nl;
m_nodeenum = m_nodelist.Elements();
m_node = null;
return(true);
}
else
{
return(false);
}
}
public virtual bool NodePushRangeScripts()
{
NodeList nl = m_parser.Parse(new TagNameFilter("SCRIPT"));
if (nl.Count > 0)
{
m_nodestack.Push(m_node);
m_nodestack.Push(m_nodeenum);
m_nodestack.Push(m_nodelist);
m_nodelist = nl;
m_nodeenum = m_nodelist.Elements();
m_node = null;
return(true);
}
else
{
return(false);
}
}
/// <summary> Return a string representation of the contents of this tag, it's children and it's end tag suitable for debugging.</summary>
/// <param name="level">The indentation level to use.
/// </param>
/// <param name="buffer">The buffer to append to.
/// </param>
public virtual void ToString(int level, System.Text.StringBuilder buffer)
{
INode node;
for (int i = 0; i < level; i++)
{
buffer.Append(" ");
}
buffer.Append(base.ToString());
buffer.Append(System.Environment.NewLine);
for (ISimpleNodeIterator e = GetChildren(); e.HasMoreNodes();)
{
node = e.NextNode();
if (node is CompositeTag)
{
((CompositeTag)node).ToString(level + 1, buffer);
}
else
{
for (int i = 0; i <= level; i++)
{
buffer.Append(" ");
}
buffer.Append(node);
buffer.Append(System.Environment.NewLine);
}
}
if ((null != GetEndTag()) && (this != GetEndTag()))
// 2nd guard handles <tag/>
// eliminate virtual tags
// if (!(getEndTag ().getStartPosition () == getEndTag ().getEndPosition ()))
{
for (int i = 0; i <= level; i++)
{
buffer.Append(" ");
}
buffer.Append(GetEndTag().ToString());
buffer.Append(System.Environment.NewLine);
}
}
public virtual bool NodePushRangeChildren()
{
NodeList nl = m_node.Children;
nl = nl.ExtractAllNodesThatMatch(AndFilter.TrueFilter, true);
if (nl.Count > 0)
{
m_nodestack.Push(m_node);
m_nodestack.Push(m_nodeenum);
m_nodestack.Push(m_nodelist);
m_nodelist = nl;
m_nodeenum = m_nodelist.Elements();
m_node = null;
return(true);
}
else
{
return(false);
}
}
/// <summary> Gets a frame by name.
/// Names are checked without case sensitivity and conversion to uppercase
/// is performed with the locale provided.
/// </summary>
/// <param name="name">The name of the frame to retrieve.
/// </param>
/// <param name="locale">The locale to use when converting to uppercase.
/// </param>
/// <returns> The specified frame or <code>null</code> if it wasn't found.
/// </returns>
public virtual FrameTag GetFrame(System.String name, System.Globalization.CultureInfo locale)
{
INode node;
FrameTag ret;
ret = null;
name = name.ToUpper(locale);
for (ISimpleNodeIterator e = Frames.Elements(); e.HasMoreNodes() && (null == ret);)
{
node = e.NextNode();
if (node is FrameTag)
{
ret = (FrameTag)node;
if (!ret.FrameName.ToUpper(locale).Equals(name))
{
ret = null;
}
}
}
return(ret);
}
/// <summary> Find the textarea tag matching the given name</summary>
/// <param name="name">Name of the textarea tag to be found within the form.
/// </param>
/// <returns> The <code>TEXTAREA</code> tag with the matching name.
/// </returns>
public virtual TextareaTag getTextAreaTag(System.String name)
{
TextareaTag textareaTag = null;
bool found = false;
for (ISimpleNodeIterator e = FormTextareas.Elements(); e.HasMoreNodes() && !found;)
{
textareaTag = (TextareaTag)e.NextNode();
System.String textAreaName = textareaTag.GetAttribute("NAME");
if (textAreaName != null && textAreaName.Equals(name))
{
found = true;
}
}
if (found)
{
return(textareaTag);
}
else
{
return(null);
}
}
/// <summary> Returns the node number of the first node containing the given text.
/// This can be useful to index into the composite tag and get other children.
/// Text is compared without case sensitivity and conversion to uppercase
/// uses the supplied locale.
/// </summary>
/// <returns> int The node index in the children list of the node containing
/// the text or -1 if not found.
/// </returns>
/// <param name="locale">The locale to use in converting to uppercase.
/// </param>
/// <param name="text">The text to search for.
/// </param>
public virtual int FindPositionOf(System.String text, System.Globalization.CultureInfo locale)
{
INode node;
int loc;
loc = 0;
#if NETFX_CORE && UNITY_METRO && !UNITY_EDITOR
text = text.ToUpper();
#else
text = text.ToUpper(locale);
#endif
for (ISimpleNodeIterator e = GetChildren(); e.HasMoreNodes();)
{
node = e.NextNode();
#if NETFX_CORE && UNITY_METRO && !UNITY_EDITOR
if (-1 != node.ToPlainTextString().ToUpper().IndexOf(text))
#else
if (-1 != node.ToPlainTextString().ToUpper(locale).IndexOf(text))
#endif
{ return(loc); }
loc++;
}
return(-1);
}
public virtual void Navigate(string url)
{
try
{
m_parser = new Parser(new Lexer(getHtml(url,null)),null);
m_nodestack.Clear();
m_node = null;
m_nodeenum = null;
m_nodelist = null;
m_url = url;
//m_parser.InputHTML = getHtml(url, null);
//m_parser.URL = url;
//m_parser.AnalyzePage();
}
catch (Exception e)
{
log.Error("Navigate: "+url, e);
}
}
protected void Dispose(bool Disposing)
{
if(!IsDisposed)
{
if (Disposing)
{
//清理托管资源
m_parser = null;
//if (m_nodelist != null) m_nodelist.Clear();
m_nodelist = null;
m_node = null;
m_nodeenum = null;
//m_nodestack.Clear();
m_nodestack = null;
}
//清理非托管资源
}
IsDisposed=true;
}
public virtual bool NodePushRangeChildren()
{
NodeList nl = m_node.Children;
nl = nl.ExtractAllNodesThatMatch(AndFilter.TrueFilter,true);
if (nl.Count > 0)
{
m_nodestack.Push(m_node);
m_nodestack.Push(m_nodeenum);
m_nodestack.Push(m_nodelist);
m_nodelist = nl;
m_nodeenum = m_nodelist.Elements();
m_node = null;
return true;
}
else
return false;
}
public virtual bool NodePushRangeScripts()
{
NodeList nl = m_parser.Parse(new TagNameFilter("SCRIPT"));
if (nl.Count > 0)
{
m_nodestack.Push(m_node);
m_nodestack.Push(m_nodeenum);
m_nodestack.Push(m_nodelist);
m_nodelist = nl;
m_nodeenum = m_nodelist.Elements();
m_node = null;
return true;
}
else
return false;
}
public virtual bool NodePushRangeByName(string elementname)
{
NodeList nl = m_parser.Parse(new HasAttributeFilter("name", elementname));
if (nl.Count > 0)
{
m_nodestack.Push(m_node);
m_nodestack.Push(m_nodeenum);
m_nodestack.Push(m_nodelist);
m_nodelist = nl;
m_nodeenum = m_nodelist.Elements();
m_node = null;
return true;
}
else
return false;
}
public virtual bool NodePushRangeAll()
{
NodeList nl = m_parser.Parse(AndFilter.TrueFilter);
if (nl.Count > 0)
{
m_nodestack.Push(m_node);
m_nodestack.Push(m_nodeenum);
m_nodestack.Push(m_nodelist);
m_nodelist = nl;
m_nodeenum = m_nodelist.Elements();
m_node = null;
return true;
}
else
return false;
}
public virtual bool NodePopRange()
{
m_nodelist = (NodeList)m_nodestack.Pop();
m_nodeenum = (ISimpleNodeIterator)m_nodestack.Pop();
m_node = (INode)m_nodestack.Pop();
return true;
}
/// <summary> Output a string representing this applet tag.</summary>
/// <returns> A string showing the contents of the applet tag.
/// </returns>
public override System.String ToString()
{
System.Collections.Hashtable parameters;
System.Collections.IEnumerator params_Renamed;
System.String paramName;
System.String paramValue;
bool found;
INode node;
System.Text.StringBuilder ret;
ret = new System.Text.StringBuilder(500);
ret.Append("Applet Tag\n");
ret.Append("**********\n");
ret.Append("Class Name = ");
ret.Append(AppletClass);
ret.Append("\n");
ret.Append("Archive = ");
ret.Append(Archive);
ret.Append("\n");
ret.Append("Codebase = ");
ret.Append(CodeBase);
ret.Append("\n");
parameters = AppletParams;
params_Renamed = parameters.Keys.GetEnumerator();
if (null == params_Renamed)
{
ret.Append("No Params found.\n");
}
else
{
for (int cnt = 0; params_Renamed.MoveNext(); cnt++)
{
paramName = ((System.String)params_Renamed.Current);
paramValue = ((System.String)parameters[paramName]);
ret.Append(cnt);
ret.Append(": Parameter name = ");
ret.Append(paramName);
ret.Append(", Parameter value = ");
ret.Append(paramValue);
ret.Append("\n");
}
}
found = false;
for (ISimpleNodeIterator e = GetChildren(); e.HasMoreNodes();)
{
node = e.NextNode();
if (node is ITag)
{
if (((ITag)node).TagName.Equals("PARAM"))
{
continue;
}
}
if (!found)
{
ret.Append("Miscellaneous items :\n");
}
else
{
ret.Append(" ");
}
found = true;
ret.Append(node.ToString());
}
if (found)
{
ret.Append("\n");
}
ret.Append("End of Applet Tag\n");
ret.Append("*****************\n");
return(ret.ToString());
}
/// <summary> Output a string representing this object tag.</summary>
/// <returns> A string showing the contents of the object tag.
/// </returns>
public override System.String ToString()
{
System.Collections.Hashtable parameters;
System.Collections.IEnumerator params_Renamed;
System.String paramName;
System.String paramValue;
bool found;
INode node;
System.Text.StringBuilder ret;
ret = new System.Text.StringBuilder(500);
ret.Append("Object Tag\n");
ret.Append("**********\n");
ret.Append("ClassId = ");
ret.Append(ObjectClassId);
ret.Append("\n");
ret.Append("CodeBase = ");
ret.Append(ObjectCodeBase);
ret.Append("\n");
ret.Append("CodeType = ");
ret.Append(ObjectCodeType);
ret.Append("\n");
ret.Append("Data = ");
ret.Append(ObjectData);
ret.Append("\n");
ret.Append("Height = ");
ret.Append(ObjectHeight);
ret.Append("\n");
ret.Append("Standby = ");
ret.Append(ObjectStandby);
ret.Append("\n");
ret.Append("Type = ");
ret.Append(ObjectType);
ret.Append("\n");
ret.Append("Width = ");
ret.Append(ObjectWidth);
ret.Append("\n");
parameters = ObjectParams;
params_Renamed = parameters.Keys.GetEnumerator();
if (null == params_Renamed)
{
ret.Append("No Params found.\n");
}
else
{
//UPGRADE_TODO: Method 'java.util.Enumeration.hasMoreElements' was converted to 'System.Collections.IEnumerator.MoveNext' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilEnumerationhasMoreElements'"
for (int cnt = 0; params_Renamed.MoveNext(); cnt++)
{
//UPGRADE_TODO: Method 'java.util.Enumeration.nextElement' was converted to 'System.Collections.IEnumerator.Current' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilEnumerationnextElement'"
paramName = ((System.String)params_Renamed.Current);
paramValue = ((System.String)parameters[paramName]);
ret.Append(cnt);
ret.Append(": Parameter name = ");
ret.Append(paramName);
ret.Append(", Parameter value = ");
ret.Append(paramValue);
ret.Append("\n");
}
}
found = false;
for (ISimpleNodeIterator e = GetChildren(); e.HasMoreNodes();)
{
node = e.NextNode();
if (node is ITag)
{
if (((ITag)node).TagName.Equals("PARAM"))
{
continue;
}
}
if (!found)
{
ret.Append("Miscellaneous items :\n");
}
else
{
ret.Append(" ");
}
found = true;
ret.Append(node.ToString());
}
if (found)
{
ret.Append("\n");
}
ret.Append("End of Object Tag\n");
ret.Append("*****************\n");
return(ret.ToString());
}
