| public WriteMarkupText ( char buffer, int index, int count ) : void | ||
| buffer | char | The buffer containing HTML markup. |
| index | int | The index of the first character to write. |
| count | int | The number of characters to write. |
| return | void | |
public void TestArgumentExceptions ()
{
Assert.Throws<ArgumentNullException> (() => new HtmlWriter (null, Encoding.UTF8));
Assert.Throws<ArgumentNullException> (() => new HtmlWriter (new MemoryStream (), null));
Assert.Throws<ArgumentNullException> (() => new HtmlWriter (null));
using (var html = new HtmlWriter (new StringWriter ())) {
Assert.Throws<ArgumentNullException> (() => html.WriteAttribute (null));
Assert.Throws<ArgumentNullException> (() => html.WriteAttribute (null, string.Empty));
Assert.Throws<ArgumentNullException> (() => html.WriteAttribute ("name", null));
Assert.Throws<ArgumentException> (() => html.WriteAttribute (string.Empty, null));
Assert.Throws<ArgumentException> (() => html.WriteAttribute ("a b c", null));
Assert.Throws<ArgumentNullException> (() => html.WriteAttribute (null, new char[1], 0, 1));
Assert.Throws<ArgumentNullException> (() => html.WriteAttribute ("name", null, 0, 0));
Assert.Throws<ArgumentOutOfRangeException> (() => html.WriteAttribute ("name", new char[0], -1, 0));
Assert.Throws<ArgumentOutOfRangeException> (() => html.WriteAttribute ("name", new char[0], 0, 1));
Assert.Throws<ArgumentException> (() => html.WriteAttribute (HtmlAttributeId.Unknown, new char[1], 0, 1));
Assert.Throws<ArgumentNullException> (() => html.WriteAttribute (HtmlAttributeId.Alt, null, 0, 0));
Assert.Throws<ArgumentOutOfRangeException> (() => html.WriteAttribute (HtmlAttributeId.Alt, new char[0], -1, 0));
Assert.Throws<ArgumentOutOfRangeException> (() => html.WriteAttribute (HtmlAttributeId.Alt, new char[0], 0, 1));
Assert.Throws<ArgumentException> (() => html.WriteAttributeName (HtmlAttributeId.Unknown));
Assert.Throws<ArgumentNullException> (() => html.WriteAttributeName (null));
Assert.Throws<ArgumentNullException> (() => html.WriteAttributeValue (null));
Assert.Throws<ArgumentNullException> (() => html.WriteAttributeValue (null, 0, 0));
Assert.Throws<ArgumentOutOfRangeException> (() => html.WriteAttributeValue (new char[0], -1, 0));
Assert.Throws<ArgumentOutOfRangeException> (() => html.WriteAttributeValue (new char[0], 0, 1));
Assert.Throws<ArgumentException> (() => html.WriteEmptyElementTag (HtmlTagId.Unknown));
Assert.Throws<ArgumentNullException> (() => html.WriteEmptyElementTag (null));
Assert.Throws<ArgumentException> (() => html.WriteEmptyElementTag (string.Empty));
Assert.Throws<ArgumentException> (() => html.WriteEmptyElementTag ("a b c"));
Assert.Throws<ArgumentException> (() => html.WriteEndTag (HtmlTagId.Unknown));
Assert.Throws<ArgumentNullException> (() => html.WriteEndTag (null));
Assert.Throws<ArgumentException> (() => html.WriteEndTag (string.Empty));
Assert.Throws<ArgumentException> (() => html.WriteEndTag ("a b c"));
Assert.Throws<ArgumentNullException> (() => html.WriteMarkupText (null));
Assert.Throws<ArgumentNullException> (() => html.WriteMarkupText (null, 0, 0));
Assert.Throws<ArgumentOutOfRangeException> (() => html.WriteMarkupText (new char[0], -1, 0));
Assert.Throws<ArgumentOutOfRangeException> (() => html.WriteMarkupText (new char[0], 0, 1));
Assert.Throws<ArgumentException> (() => html.WriteStartTag (HtmlTagId.Unknown));
Assert.Throws<ArgumentNullException> (() => html.WriteStartTag (null));
Assert.Throws<ArgumentException> (() => html.WriteStartTag (string.Empty));
Assert.Throws<ArgumentException> (() => html.WriteStartTag ("a b c"));
Assert.Throws<ArgumentNullException> (() => html.WriteText (null));
Assert.Throws<ArgumentNullException> (() => html.WriteText (null, 0, 0));
Assert.Throws<ArgumentOutOfRangeException> (() => html.WriteText (new char[0], -1, 0));
Assert.Throws<ArgumentOutOfRangeException> (() => html.WriteText (new char[0], 0, 1));
Assert.Throws<ArgumentNullException> (() => html.WriteToken (null));
}
}
void WriteParagraph(HtmlWriter htmlWriter, IList <FlowedToHtmlTagContext> stack, ref int currentQuoteDepth, StringBuilder para, int quoteDepth)
{
var callback = HtmlTagCallback ?? DefaultHtmlTagCallback;
FlowedToHtmlTagContext ctx;
while (currentQuoteDepth < quoteDepth)
{
ctx = new FlowedToHtmlTagContext(HtmlTagId.BlockQuote);
callback(ctx, htmlWriter);
currentQuoteDepth++;
stack.Add(ctx);
}
while (quoteDepth < currentQuoteDepth)
{
ctx = stack[stack.Count - 1];
stack.RemoveAt(stack.Count - 1);
if (!SuppressContent(stack) && !ctx.DeleteEndTag)
{
ctx.SetIsEndTag(true);
if (ctx.InvokeCallbackForEndTag)
{
callback(ctx, htmlWriter);
}
else
{
ctx.WriteTag(htmlWriter);
}
}
if (ctx.TagId == HtmlTagId.BlockQuote)
{
currentQuoteDepth--;
}
}
if (SuppressContent(stack))
{
return;
}
ctx = new FlowedToHtmlTagContext(para.Length == 0 ? HtmlTagId.Br : HtmlTagId.P);
callback(ctx, htmlWriter);
if (para.Length > 0)
{
if (!ctx.SuppressInnerContent)
{
WriteText(htmlWriter, para.ToString());
}
if (!ctx.DeleteEndTag)
{
ctx.SetIsEndTag(true);
if (ctx.InvokeCallbackForEndTag)
{
callback(ctx, htmlWriter);
}
else
{
ctx.WriteTag(htmlWriter);
}
}
}
if (!ctx.DeleteTag)
{
htmlWriter.WriteMarkupText(Environment.NewLine);
}
}
void WriteParagraph (HtmlWriter htmlWriter, IList<FlowedToHtmlTagContext> stack, ref int currentQuoteDepth, StringBuilder para, int quoteDepth)
{
var callback = HtmlTagCallback ?? DefaultHtmlTagCallback;
FlowedToHtmlTagContext ctx;
while (currentQuoteDepth < quoteDepth) {
ctx = new FlowedToHtmlTagContext (HtmlTagId.BlockQuote);
callback (ctx, htmlWriter);
currentQuoteDepth++;
stack.Add (ctx);
}
while (quoteDepth < currentQuoteDepth) {
ctx = stack[stack.Count - 1];
stack.RemoveAt (stack.Count - 1);
if (!SuppressContent (stack) && !ctx.DeleteEndTag) {
ctx.SetIsEndTag (true);
if (ctx.InvokeCallbackForEndTag)
callback (ctx, htmlWriter);
else
ctx.WriteTag (htmlWriter);
}
if (ctx.TagId == HtmlTagId.BlockQuote)
currentQuoteDepth--;
}
if (SuppressContent (stack))
return;
ctx = new FlowedToHtmlTagContext (para.Length == 0 ? HtmlTagId.Br : HtmlTagId.P);
callback (ctx, htmlWriter);
if (para.Length > 0) {
if (!ctx.SuppressInnerContent)
WriteText (htmlWriter, para.ToString ());
if (!ctx.DeleteEndTag) {
ctx.SetIsEndTag (true);
if (ctx.InvokeCallbackForEndTag)
callback (ctx, htmlWriter);
else
ctx.WriteTag (htmlWriter);
}
}
if (!ctx.DeleteTag)
htmlWriter.WriteMarkupText (Environment.NewLine);
}
public void TestHtmlWriter ()
{
const string expected = "<html ltr=\"true\"><head/><body><p class=\"paragraph\">" +
"special characters in this text should get encoded: <>'&\n" +
"special characters should not get encoded: <>" +
"</p></body></html>";
var actual = new StringBuilder ();
using (var html = new HtmlWriter (new StringWriter (actual))) {
Assert.AreEqual (HtmlWriterState.Default, html.WriterState);
// make sure we can't start by writing an attribute since we are in the wrong state
Assert.Throws<InvalidOperationException> (() => html.WriteAttribute (new HtmlAttribute (HtmlAttributeId.Action, "invalid state")));
Assert.Throws<InvalidOperationException> (() => html.WriteAttribute (HtmlAttributeId.Action, "invalid state"));
Assert.Throws<InvalidOperationException> (() => html.WriteAttribute ("action", "invalid state"));
// write a tag
html.WriteStartTag (HtmlTagId.Html);
Assert.AreEqual (HtmlWriterState.Tag, html.WriterState);
// *now* we should be able to write an attribute
html.WriteAttribute (new HtmlAttribute ("ltr", "true"));
// write en empty element tag, this should change the state to Default
html.WriteEmptyElementTag (HtmlTagId.Head);
Assert.AreEqual (HtmlWriterState.Tag, html.WriterState);
html.WriteStartTag ("body");
Assert.AreEqual (HtmlWriterState.Tag, html.WriterState);
html.WriteStartTag (HtmlTagId.P);
Assert.AreEqual (HtmlWriterState.Tag, html.WriterState);
// make sure that we can't write an attribute value yet
Assert.Throws<InvalidOperationException> (() => html.WriteAttributeValue ("attrValue"));
Assert.Throws<InvalidOperationException> (() => html.WriteAttributeValue ("attrValue".ToCharArray (), 0, 9));
html.WriteAttributeName (HtmlAttributeId.Class);
Assert.AreEqual (HtmlWriterState.Attribute, html.WriterState);
html.WriteAttributeValue ("paragraph");
Assert.AreEqual (HtmlWriterState.Tag, html.WriterState);
html.WriteText ("special characters in this text should get encoded: <>'&\n");
html.WriteMarkupText ("special characters should not get encoded: <>");
Assert.AreEqual (HtmlWriterState.Default, html.WriterState);
html.WriteEndTag (HtmlTagId.P);
html.WriteEndTag (HtmlTagId.Body);
html.WriteEndTag ("html");
}
Assert.AreEqual (expected, actual.ToString ());
}