public bool Render(object o, string description, int depth, XhtmlTextWriter writer)
{
//there are two principal ways of rendering an object,
// if it's an enumerable we render each object as a row in a table
// if it's jut an object we render each property of the object as a row in a table
if (!String.IsNullOrWhiteSpace(description))
{
writer.RenderBeginTag(HtmlTextWriterTag.H3);
writer.Write(description);
writer.RenderEndTag();
writer.WriteLine();
}
if (depth <= 0)
{
return(true);
}
if (o is IEnumerable && !(o is String))
{
return(RenderEnumerable((IEnumerable)o, depth, writer));
}
else
{
return(RenderObject(o, depth, writer));
}
}
/// <summary>
/// Converts a UfDataNode structure into a very basic form HTML.
/// </summary>
/// <param name="node">Node</param>
/// <param name="formatDescriber">Microformat format describer object</param>
/// <returns>HTML string</returns>
public string Convert(UfDataNode node, UfFormatDescriber formatDescriber)
{
string output = string.Empty;
StringWriter stringWriter = new StringWriter();
UfElementDescriber elementDescriber = formatDescriber.BaseElement;
using (XhtmlTextWriter writer = new XhtmlTextWriter(stringWriter))
{
writer.WriteBeginTag("div");
writer.WriteAttribute("class", "microformats");
writer.Write(HtmlTextWriter.TagRightChar);
foreach (UfDataNode child in node.Nodes)
{
writer.WriteLine();
AddNode(child, elementDescriber, writer);
}
writer.WriteEndTag("div");
writer.WriteLine();
}
return(stringWriter.ToString());
}
public bool RenderObject(object o, int depth, XhtmlTextWriter writer)
{
var objectType = o.GetType();
if (IsSimpleType(objectType))
{
writer.RenderBeginTag(HtmlTextWriterTag.P);
writer.Write(o.ToString());
writer.RenderEndTag();
writer.WriteLine();
return(true);
}
//get the members (fields and properties)
var members = GetMembers(objectType);
//create a two column table containing member and then value
writer.RenderBeginTag(HtmlTextWriterTag.Table);
//write a header containing the class name
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
writer.AddAttribute(HtmlTextWriterAttribute.Colspan, "2");
writer.RenderBeginTag(HtmlTextWriterTag.Th);
writer.Write(objectType.Name);
writer.RenderEndTag(); //th
writer.RenderEndTag(); //tr
foreach (var member in members)
{
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
writer.AddAttribute(HtmlTextWriterAttribute.Class, "left");
writer.RenderBeginTag(HtmlTextWriterTag.Th);
writer.Write(member.Name);
writer.RenderEndTag(); //th
writer.RenderBeginTag(HtmlTextWriterTag.Td);
RenderMember(member, o, depth, writer);
writer.RenderEndTag(); //td
writer.RenderEndTag(); //tr
}
writer.RenderEndTag(); //table
writer.WriteLine();
return(true);
}
private void InitHeader()
{
writer.WriteLineNoTabs("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">");
writer.AddAttribute("xmlns", "http://www.w3.org/1999/xhtml");
writer.AddAttribute("xml:lang", "en");
writer.RenderBeginTag(HtmlTextWriterTag.Html);
writer.RenderBeginTag(HtmlTextWriterTag.Head);
writer.RenderBeginTag(HtmlTextWriterTag.Title);
writer.Write("XhtmlDumper");
writer.RenderEndTag();
writer.AddAttribute("http-equiv", "content-type");
writer.AddAttribute(HtmlTextWriterAttribute.Content, "text/html;charset=utf-8");
writer.RenderBeginTag(HtmlTextWriterTag.Meta);
writer.RenderEndTag();
writer.WriteLine();
writer.AddAttribute(HtmlTextWriterAttribute.Name, "generator");
writer.AddAttribute(HtmlTextWriterAttribute.Content, "XhtmlDumper");
writer.RenderBeginTag(HtmlTextWriterTag.Meta);
writer.RenderEndTag();
writer.WriteLine();
writer.AddAttribute(HtmlTextWriterAttribute.Name, "description");
writer.AddAttribute(HtmlTextWriterAttribute.Content, "Generated on: " + DateTime.Now);
writer.RenderBeginTag(HtmlTextWriterTag.Meta);
writer.RenderEndTag();
writer.WriteLine();
writer.AddAttribute("type", "text/css");
writer.RenderBeginTag(HtmlTextWriterTag.Style);
writer.WriteLineNoTabs(Resources.StyleSheet);
writer.RenderEndTag(); // style
writer.RenderEndTag(); // Head
writer.WriteLine();
writer.RenderBeginTag(HtmlTextWriterTag.Body);
}
// <snippet3>
protected override void Render(HtmlTextWriter writer)
{
// Create an instance of the XhtmlTextWriter class,
// named w, and cast the HtmlTextWriter passed
// in the writer parameter to w.
XhtmlTextWriter w = new XhtmlTextWriter(writer);
// Create a string variable, named value, to hold
// the control's Text property value.
String value = Control.Text;
// Create a Boolean variable, named attTest,
// to test whether the Style attribute is
// valid in the page that the control is
// rendered to.
Boolean attTest = w.IsValidFormAttribute("style");
// Check whether attTest is true or false.
// If true, a style is applied to the XHTML
// content. If false, no style is applied.
if (attTest)
{
w.EnterStyle(Control.ControlStyle);
}
// Write the Text property value of the control,
// a <br> element, and a string. Consider encoding the value using WriteEncodedText.
w.Write(value);
w.WriteBreak();
w.Write("This control conditionally rendered its styles for XHTML.");
// Check whether attTest is true or false.
// If true, the XHTML style is closed.
// If false, nothing is rendered.
if (attTest)
{
w.ExitStyle(Control.ControlStyle);
}
}
private void RenderMember(MemberInfo memberInfo, object o, int depth, XhtmlTextWriter writer)
{
//try to get the value
object value = null;
try
{
value = GetValue(memberInfo, o);
}
catch (Exception ex)
{
value = "Error getting member value: " + ex.Message;
}
if (value == null)
{
writer.Write("null");
return;
}
var valueType = GetValueType(memberInfo);
if (valueType == null)
{
writer.Write("Error getting member type.");
}
else if (valueType == typeof(double) ||
valueType == typeof(decimal) ||
valueType == typeof(float))
{
//if the property seems to contain percent data we format it appropriately
if (memberInfo.Name.ToLower().Contains("percent") || memberInfo.Name.ToLower().Contains("prc"))
{
writer.Write("{0:0.00%}", value);
}
else
{
writer.Write("{0:0.00}", value);
}
}
else if (valueType == typeof(DateTime) ||
valueType == typeof(DateTimeOffset))
{
//todo: optional date time formatting
writer.Write(value);
}
else if (IsSimpleType(valueType))
{
writer.Write(value);
}
else
{
//recurively call the render method to descend one level in the object tree
Render(value, null, depth - 1, writer);
}
}
public Stream RenderPageEnd()
{
XhtmlTextWriter xhtmlWriter = new XhtmlTextWriter(Writer);
xhtmlWriter.Indent = 3;
// Flush writer contents to output.
xhtmlWriter.Flush();
if (ReportFooter != null && ReportFooter.Length > 0)
{
xhtmlWriter.RenderBeginTag("hr");
xhtmlWriter.WriteEndTag("hr");
//
xhtmlWriter.AddAttribute("class", "footer");
xhtmlWriter.RenderBeginTag("div");
xhtmlWriter.Write(ReportFooter);
xhtmlWriter.WriteEndTag("div");
xhtmlWriter.RenderBeginTag("hr");
xhtmlWriter.WriteEndTag("hr");
xhtmlWriter.WriteLine(Writer.NewLine);
// </h2>
}
//--------------------------------------------------------
// No matter what state the Renderer left us in, close
// off the <body> and <html> elements.
//--------------------------------------------------------
// </body>
xhtmlWriter.WriteEndTag("body");
// </html>
xhtmlWriter.WriteEndTag("html");
// Flush writer contents to output.
xhtmlWriter.Flush();
return(Writer.BaseStream);
}
/// <summary>
/// Parses source code.
/// </summary>
/// <param name="source">The source code which will be parsed.</param>
/// <param name="scannerResult">The result returned by the scanners after scanning the source code.</param>
/// <returns>The highlighted source code.</returns>
public override string Parse(string source, IList <Occurrence> scannerResult)
{
StringWriter htmlStringWriter = new StringWriter();
XhtmlTextWriter htmlWriter = new XhtmlTextWriter(htmlStringWriter);
int lastIndex = 0;
for (int i = 0; i < scannerResult.Count; i++)
{
if ((scannerResult[i].Start - lastIndex) >= 0)
{
if (scannerResult[i].Start > 0)
{
// Encode non-highlighted text first.
htmlWriter.WriteEncodedText(source.Substring(lastIndex, scannerResult[i].Start - lastIndex));
}
htmlWriter.Write(this.ParseToken(source.Substring(scannerResult[i].Start, scannerResult[i].Length), scannerResult[i].Node));
}
lastIndex = scannerResult[i].Start + scannerResult[i].Length;
}
// Encode the last bit of nonhighlighted text.
if (lastIndex < source.Length)
{
htmlWriter.WriteEncodedText(source.Substring(lastIndex));
}
string result = htmlStringWriter.ToString();
htmlWriter.Close();
htmlStringWriter.Close();
return(result);
}
private void AddNode(UfDataNode node, UfElementDescriber elementDescriber, XhtmlTextWriter writer)
{
if (node.Name != string.Empty)
{
indentNum++;
writer.Indent = indentNum;
UfElementDescriber currentDescriber = elementDescriber;
foreach (UfElementDescriber childElementDescriber in elementDescriber.Elements)
{
if (node.Name == childElementDescriber.Name || node.Name == childElementDescriber.CompoundName)
{
currentDescriber = childElementDescriber;
}
}
if (currentDescriber.Attribute == "class")
{
writer.WriteBeginTag("div");
if (currentDescriber.CompoundName == "")
{
writer.WriteAttribute("class", node.Name);
}
else
{
writer.WriteAttribute("class", node.Name + " " + currentDescriber.Name);
}
if (!string.IsNullOrEmpty(node.ElementId))
{
writer.WriteAttribute("id", node.ElementId);
}
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEncodedText(node.Value);
foreach (UfDataNode child in node.Nodes)
{
writer.WriteLine();
AddNode(child, currentDescriber, writer);
}
if (node.Name != string.Empty)
{
writer.WriteEndTag("div");
writer.WriteLine();
}
}
if (currentDescriber.Attribute == "rel")
{
writer.WriteBeginTag("a");
writer.WriteAttribute("href", node.DescendantValue("link"));
writer.WriteAttribute("rel", node.Name);
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEncodedText(node.DescendantValue("text"));
writer.WriteEndTag("a");
writer.WriteLine();
}
indentNum--;
writer.Indent = indentNum;
}
}
/// <summary>
/// Visit XHTMLElement and write it to stream
/// </summary>
/// <param name="element">Element to visit</param>
public void Visit(XHTMLElement element)
{
if (element.GetTag() == "cdata")
{ //CData need different handling
WriteCData(element);
}
else if (element.GetTag() == "comment")
{ //Write comment
WriteComment(element);
}
else
{ //Normal XHTML tag handling
XhtmlWriter.BeginRender();
//Check if element is tag, if not write tag, otherwise handle as XHTML tag
if (!element.GetTagState())
{
XhtmlWriter.BeginRender();
//Get escape chars out of this tag
CharIterator charIterator = new CharIterator();
String tag = charIterator.ParseText(element.GetTag());
XhtmlWriter.Write(tag);
XhtmlWriter.EndRender();
XhtmlWriter.Flush();
return;
}
XhtmlWriter.WriteBeginTag(element.GetTag());
foreach (KeyValuePair <String, String> pair in element.GetAttributes())
{
XhtmlWriter.WriteAttribute(pair.Key, pair.Value, false);
}
if (IsEmptyElement(element))
{ //Nothing inside element, so write tag end
XhtmlWriter.Write(XhtmlTextWriter.SelfClosingTagEnd);
}
else if (IsXHTMLTag(element.GetTag()))
{
//Write tag opening closing
XhtmlWriter.Write(XhtmlTextWriter.TagRightChar);
//Write content
XhtmlWriter.Write(element.GetContent());
//Visit children
foreach (XHTMLElement child in element.GetChildren())
{
Visit(child);
}
//Write closing tag
XhtmlWriter.WriteEndTag(element.GetTag());
XhtmlWriter.Flush();
}
else
{
//Just write it
XhtmlWriter.Write(element.GetTag());
XhtmlWriter.EndRender();
XhtmlWriter.Flush();
}
}
}
public Stream RenderPageBegin()
{
XhtmlTextWriter xhtmlWriter = new XhtmlTextWriter(Writer);
xhtmlWriter.Indent = 3;
xhtmlWriter.AddAttribute("xmlns", "http://www.w3.org/1999/xhtml");
xhtmlWriter.RenderBeginTag("html");
xhtmlWriter.RenderBeginTag("head");
if (ReportHeading != null && ReportHeading.Length > 0)
{
xhtmlWriter.RenderBeginTag("title");
xhtmlWriter.Write(ReportHeading);
xhtmlWriter.WriteEndTag("title");
}
// <style type='text/css'>
xhtmlWriter.WriteLine(Writer.NewLine);
xhtmlWriter.AddAttribute(HtmlTextWriterAttribute.Type, "text/css");
xhtmlWriter.RenderBeginTag("style");
foreach (var style in _styles)
{
xhtmlWriter.WriteLine(style.Key);
xhtmlWriter.WriteLine("{");
xhtmlWriter.WriteLine(style.Value);
xhtmlWriter.WriteLine("}");
}
xhtmlWriter.WriteEndTag("style");
xhtmlWriter.WriteLine(Writer.NewLine);
// </style>
xhtmlWriter.WriteEndTag("head");
// <body>
xhtmlWriter.RenderBeginTag("body");
if (ReportHeading != null && ReportHeading.Length > 0)
{
// <h2 class='heading'>
xhtmlWriter.AddAttribute("class", "heading");
xhtmlWriter.RenderBeginTag("h2");
xhtmlWriter.Write(ReportHeading);
xhtmlWriter.WriteEndTag("h2");
xhtmlWriter.WriteLine(Writer.NewLine);
// </h2>
}
if (!(Renderer is ITextControl) && Text != null && Text.Length > 0)
{
// <p class='text'>
xhtmlWriter.AddAttribute("class", "caption");
xhtmlWriter.RenderBeginTag("p");
xhtmlWriter.Write(Text);
xhtmlWriter.WriteEndTag("p");
xhtmlWriter.WriteLine(Writer.NewLine);
// </p>
}
// Flush writer contents to output.
xhtmlWriter.Flush();
return(Writer.BaseStream);
}
public bool RenderEnumerable(IEnumerable enumerable, int depth, XhtmlTextWriter writer)
{
var elementType = GetElementTypeOfEnumerable(enumerable);
if (elementType == null)
{
return(false);
}
//get the members (fields and properties)
var members = GetMembers(elementType);
//write the headers and start the table
writer.RenderBeginTag(HtmlTextWriterTag.Table);
//if the element type is an element that needs to be rendered atomically we use a different method
if (IsSimpleType(elementType))
{
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
writer.RenderBeginTag(HtmlTextWriterTag.Th);
writer.Write(elementType.Name);
writer.RenderEndTag();
writer.RenderEndTag();
foreach (var element in enumerable)
{
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
writer.RenderBeginTag(HtmlTextWriterTag.Td);
writer.Write(element.ToString());
writer.RenderEndTag();
writer.RenderEndTag();
}
}
else
{
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
foreach (var member in members)
{
writer.RenderBeginTag(HtmlTextWriterTag.Th);
writer.Write(member.Name);
writer.RenderEndTag();
}
writer.RenderEndTag(); //tr
writer.WriteLine();
//write all the members
foreach (var element in enumerable)
{
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
foreach (var member in members)
{
writer.RenderBeginTag(HtmlTextWriterTag.Td);
RenderMember(member, element, depth, writer);
writer.RenderEndTag(); //td
}
writer.RenderEndTag(); //tr
writer.WriteLine();
}
}
//end the table
writer.RenderEndTag();
writer.WriteLine();
return(true);
}
